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1
/*
2
 *  i386 translation
3
 *
4
 *  Copyright (c) 2003 Fabrice Bellard
5
 *
6
 * This library is free software; you can redistribute it and/or
7
 * modify it under the terms of the GNU Lesser General Public
8
 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
10
 *
11
 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14
 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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 */
19
#include <stdarg.h>
20
#include <stdlib.h>
21
#include <stdio.h>
22
#include <string.h>
23
#include <inttypes.h>
24
#include <signal.h>
25

    
26
#include "cpu.h"
27
#include "exec-all.h"
28
#include "disas.h"
29
#include "tcg-op.h"
30

    
31
#include "helper.h"
32
#define GEN_HELPER 1
33
#include "helper.h"
34

    
35
#define PREFIX_REPZ   0x01
36
#define PREFIX_REPNZ  0x02
37
#define PREFIX_LOCK   0x04
38
#define PREFIX_DATA   0x08
39
#define PREFIX_ADR    0x10
40

    
41
#ifdef TARGET_X86_64
42
#define X86_64_ONLY(x) x
43
#define X86_64_DEF(...)  __VA_ARGS__
44
#define CODE64(s) ((s)->code64)
45
#define REX_X(s) ((s)->rex_x)
46
#define REX_B(s) ((s)->rex_b)
47
/* XXX: gcc generates push/pop in some opcodes, so we cannot use them */
48
#if 1
49
#define BUGGY_64(x) NULL
50
#endif
51
#else
52
#define X86_64_ONLY(x) NULL
53
#define X86_64_DEF(...)
54
#define CODE64(s) 0
55
#define REX_X(s) 0
56
#define REX_B(s) 0
57
#endif
58

    
59
//#define MACRO_TEST   1
60

    
61
/* global register indexes */
62
static TCGv_ptr cpu_env;
63
static TCGv cpu_A0, cpu_cc_src, cpu_cc_dst, cpu_cc_tmp;
64
static TCGv_i32 cpu_cc_op;
65
static TCGv cpu_regs[CPU_NB_REGS];
66
/* local temps */
67
static TCGv cpu_T[2], cpu_T3;
68
/* local register indexes (only used inside old micro ops) */
69
static TCGv cpu_tmp0, cpu_tmp4;
70
static TCGv_ptr cpu_ptr0, cpu_ptr1;
71
static TCGv_i32 cpu_tmp2_i32, cpu_tmp3_i32;
72
static TCGv_i64 cpu_tmp1_i64;
73
static TCGv cpu_tmp5;
74

    
75
#include "gen-icount.h"
76

    
77
#ifdef TARGET_X86_64
78
static int x86_64_hregs;
79
#endif
80

    
81
typedef struct DisasContext {
82
    /* current insn context */
83
    int override; /* -1 if no override */
84
    int prefix;
85
    int aflag, dflag;
86
    target_ulong pc; /* pc = eip + cs_base */
87
    int is_jmp; /* 1 = means jump (stop translation), 2 means CPU
88
                   static state change (stop translation) */
89
    /* current block context */
90
    target_ulong cs_base; /* base of CS segment */
91
    int pe;     /* protected mode */
92
    int code32; /* 32 bit code segment */
93
#ifdef TARGET_X86_64
94
    int lma;    /* long mode active */
95
    int code64; /* 64 bit code segment */
96
    int rex_x, rex_b;
97
#endif
98
    int ss32;   /* 32 bit stack segment */
99
    int cc_op;  /* current CC operation */
100
    int addseg; /* non zero if either DS/ES/SS have a non zero base */
101
    int f_st;   /* currently unused */
102
    int vm86;   /* vm86 mode */
103
    int cpl;
104
    int iopl;
105
    int tf;     /* TF cpu flag */
106
    int singlestep_enabled; /* "hardware" single step enabled */
107
    int jmp_opt; /* use direct block chaining for direct jumps */
108
    int mem_index; /* select memory access functions */
109
    uint64_t flags; /* all execution flags */
110
    struct TranslationBlock *tb;
111
    int popl_esp_hack; /* for correct popl with esp base handling */
112
    int rip_offset; /* only used in x86_64, but left for simplicity */
113
    int cpuid_features;
114
    int cpuid_ext_features;
115
    int cpuid_ext2_features;
116
    int cpuid_ext3_features;
117
} DisasContext;
118

    
119
static void gen_eob(DisasContext *s);
120
static void gen_jmp(DisasContext *s, target_ulong eip);
121
static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num);
122

    
123
/* i386 arith/logic operations */
124
enum {
125
    OP_ADDL,
126
    OP_ORL,
127
    OP_ADCL,
128
    OP_SBBL,
129
    OP_ANDL,
130
    OP_SUBL,
131
    OP_XORL,
132
    OP_CMPL,
133
};
134

    
135
/* i386 shift ops */
136
enum {
137
    OP_ROL,
138
    OP_ROR,
139
    OP_RCL,
140
    OP_RCR,
141
    OP_SHL,
142
    OP_SHR,
143
    OP_SHL1, /* undocumented */
144
    OP_SAR = 7,
145
};
146

    
147
enum {
148
    JCC_O,
149
    JCC_B,
150
    JCC_Z,
151
    JCC_BE,
152
    JCC_S,
153
    JCC_P,
154
    JCC_L,
155
    JCC_LE,
156
};
157

    
158
/* operand size */
159
enum {
160
    OT_BYTE = 0,
161
    OT_WORD,
162
    OT_LONG,
163
    OT_QUAD,
164
};
165

    
166
enum {
167
    /* I386 int registers */
168
    OR_EAX,   /* MUST be even numbered */
169
    OR_ECX,
170
    OR_EDX,
171
    OR_EBX,
172
    OR_ESP,
173
    OR_EBP,
174
    OR_ESI,
175
    OR_EDI,
176

    
177
    OR_TMP0 = 16,    /* temporary operand register */
178
    OR_TMP1,
179
    OR_A0, /* temporary register used when doing address evaluation */
180
};
181

    
182
static inline void gen_op_movl_T0_0(void)
183
{
184
    tcg_gen_movi_tl(cpu_T[0], 0);
185
}
186

    
187
static inline void gen_op_movl_T0_im(int32_t val)
188
{
189
    tcg_gen_movi_tl(cpu_T[0], val);
190
}
191

    
192
static inline void gen_op_movl_T0_imu(uint32_t val)
193
{
194
    tcg_gen_movi_tl(cpu_T[0], val);
195
}
196

    
197
static inline void gen_op_movl_T1_im(int32_t val)
198
{
199
    tcg_gen_movi_tl(cpu_T[1], val);
200
}
201

    
202
static inline void gen_op_movl_T1_imu(uint32_t val)
203
{
204
    tcg_gen_movi_tl(cpu_T[1], val);
205
}
206

    
207
static inline void gen_op_movl_A0_im(uint32_t val)
208
{
209
    tcg_gen_movi_tl(cpu_A0, val);
210
}
211

    
212
#ifdef TARGET_X86_64
213
static inline void gen_op_movq_A0_im(int64_t val)
214
{
215
    tcg_gen_movi_tl(cpu_A0, val);
216
}
217
#endif
218

    
219
static inline void gen_movtl_T0_im(target_ulong val)
220
{
221
    tcg_gen_movi_tl(cpu_T[0], val);
222
}
223

    
224
static inline void gen_movtl_T1_im(target_ulong val)
225
{
226
    tcg_gen_movi_tl(cpu_T[1], val);
227
}
228

    
229
static inline void gen_op_andl_T0_ffff(void)
230
{
231
    tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xffff);
232
}
233

    
234
static inline void gen_op_andl_T0_im(uint32_t val)
235
{
236
    tcg_gen_andi_tl(cpu_T[0], cpu_T[0], val);
237
}
238

    
239
static inline void gen_op_movl_T0_T1(void)
240
{
241
    tcg_gen_mov_tl(cpu_T[0], cpu_T[1]);
242
}
243

    
244
static inline void gen_op_andl_A0_ffff(void)
245
{
246
    tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffff);
247
}
248

    
249
#ifdef TARGET_X86_64
250

    
251
#define NB_OP_SIZES 4
252

    
253
#else /* !TARGET_X86_64 */
254

    
255
#define NB_OP_SIZES 3
256

    
257
#endif /* !TARGET_X86_64 */
258

    
259
#if defined(HOST_WORDS_BIGENDIAN)
260
#define REG_B_OFFSET (sizeof(target_ulong) - 1)
261
#define REG_H_OFFSET (sizeof(target_ulong) - 2)
262
#define REG_W_OFFSET (sizeof(target_ulong) - 2)
263
#define REG_L_OFFSET (sizeof(target_ulong) - 4)
264
#define REG_LH_OFFSET (sizeof(target_ulong) - 8)
265
#else
266
#define REG_B_OFFSET 0
267
#define REG_H_OFFSET 1
268
#define REG_W_OFFSET 0
269
#define REG_L_OFFSET 0
270
#define REG_LH_OFFSET 4
271
#endif
272

    
273
static inline void gen_op_mov_reg_v(int ot, int reg, TCGv t0)
274
{
275
    TCGv tmp;
276

    
277
    switch(ot) {
278
    case OT_BYTE:
279
        tmp = tcg_temp_new();
280
        tcg_gen_ext8u_tl(tmp, t0);
281
        if (reg < 4 X86_64_DEF( || reg >= 8 || x86_64_hregs)) {
282
            tcg_gen_andi_tl(cpu_regs[reg], cpu_regs[reg], ~0xff);
283
            tcg_gen_or_tl(cpu_regs[reg], cpu_regs[reg], tmp);
284
        } else {
285
            tcg_gen_shli_tl(tmp, tmp, 8);
286
            tcg_gen_andi_tl(cpu_regs[reg - 4], cpu_regs[reg - 4], ~0xff00);
287
            tcg_gen_or_tl(cpu_regs[reg - 4], cpu_regs[reg - 4], tmp);
288
        }
289
        tcg_temp_free(tmp);
290
        break;
291
    case OT_WORD:
292
        tmp = tcg_temp_new();
293
        tcg_gen_ext16u_tl(tmp, t0);
294
        tcg_gen_andi_tl(cpu_regs[reg], cpu_regs[reg], ~0xffff);
295
        tcg_gen_or_tl(cpu_regs[reg], cpu_regs[reg], tmp);
296
        tcg_temp_free(tmp);
297
        break;
298
    default: /* XXX this shouldn't be reached;  abort? */
299
    case OT_LONG:
300
        /* For x86_64, this sets the higher half of register to zero.
301
           For i386, this is equivalent to a mov. */
302
        tcg_gen_ext32u_tl(cpu_regs[reg], t0);
303
        break;
304
#ifdef TARGET_X86_64
305
    case OT_QUAD:
306
        tcg_gen_mov_tl(cpu_regs[reg], t0);
307
        break;
308
#endif
309
    }
310
}
311

    
312
static inline void gen_op_mov_reg_T0(int ot, int reg)
313
{
314
    gen_op_mov_reg_v(ot, reg, cpu_T[0]);
315
}
316

    
317
static inline void gen_op_mov_reg_T1(int ot, int reg)
318
{
319
    gen_op_mov_reg_v(ot, reg, cpu_T[1]);
320
}
321

    
322
static inline void gen_op_mov_reg_A0(int size, int reg)
323
{
324
    TCGv tmp;
325

    
326
    switch(size) {
327
    case 0:
328
        tmp = tcg_temp_new();
329
        tcg_gen_ext16u_tl(tmp, cpu_A0);
330
        tcg_gen_andi_tl(cpu_regs[reg], cpu_regs[reg], ~0xffff);
331
        tcg_gen_or_tl(cpu_regs[reg], cpu_regs[reg], tmp);
332
        tcg_temp_free(tmp);
333
        break;
334
    default: /* XXX this shouldn't be reached;  abort? */
335
    case 1:
336
        /* For x86_64, this sets the higher half of register to zero.
337
           For i386, this is equivalent to a mov. */
338
        tcg_gen_ext32u_tl(cpu_regs[reg], cpu_A0);
339
        break;
340
#ifdef TARGET_X86_64
341
    case 2:
342
        tcg_gen_mov_tl(cpu_regs[reg], cpu_A0);
343
        break;
344
#endif
345
    }
346
}
347

    
348
static inline void gen_op_mov_v_reg(int ot, TCGv t0, int reg)
349
{
350
    switch(ot) {
351
    case OT_BYTE:
352
        if (reg < 4 X86_64_DEF( || reg >= 8 || x86_64_hregs)) {
353
            goto std_case;
354
        } else {
355
            tcg_gen_shri_tl(t0, cpu_regs[reg - 4], 8);
356
            tcg_gen_ext8u_tl(t0, t0);
357
        }
358
        break;
359
    default:
360
    std_case:
361
        tcg_gen_mov_tl(t0, cpu_regs[reg]);
362
        break;
363
    }
364
}
365

    
366
static inline void gen_op_mov_TN_reg(int ot, int t_index, int reg)
367
{
368
    gen_op_mov_v_reg(ot, cpu_T[t_index], reg);
369
}
370

    
371
static inline void gen_op_movl_A0_reg(int reg)
372
{
373
    tcg_gen_mov_tl(cpu_A0, cpu_regs[reg]);
374
}
375

    
376
static inline void gen_op_addl_A0_im(int32_t val)
377
{
378
    tcg_gen_addi_tl(cpu_A0, cpu_A0, val);
379
#ifdef TARGET_X86_64
380
    tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
381
#endif
382
}
383

    
384
#ifdef TARGET_X86_64
385
static inline void gen_op_addq_A0_im(int64_t val)
386
{
387
    tcg_gen_addi_tl(cpu_A0, cpu_A0, val);
388
}
389
#endif
390
    
391
static void gen_add_A0_im(DisasContext *s, int val)
392
{
393
#ifdef TARGET_X86_64
394
    if (CODE64(s))
395
        gen_op_addq_A0_im(val);
396
    else
397
#endif
398
        gen_op_addl_A0_im(val);
399
}
400

    
401
static inline void gen_op_addl_T0_T1(void)
402
{
403
    tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
404
}
405

    
406
static inline void gen_op_jmp_T0(void)
407
{
408
    tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, eip));
409
}
410

    
411
static inline void gen_op_add_reg_im(int size, int reg, int32_t val)
412
{
413
    switch(size) {
414
    case 0:
415
        tcg_gen_addi_tl(cpu_tmp0, cpu_regs[reg], val);
416
        tcg_gen_ext16u_tl(cpu_tmp0, cpu_tmp0);
417
        tcg_gen_andi_tl(cpu_regs[reg], cpu_regs[reg], ~0xffff);
418
        tcg_gen_or_tl(cpu_regs[reg], cpu_regs[reg], cpu_tmp0);
419
        break;
420
    case 1:
421
        tcg_gen_addi_tl(cpu_tmp0, cpu_regs[reg], val);
422
        /* For x86_64, this sets the higher half of register to zero.
423
           For i386, this is equivalent to a nop. */
424
        tcg_gen_ext32u_tl(cpu_tmp0, cpu_tmp0);
425
        tcg_gen_mov_tl(cpu_regs[reg], cpu_tmp0);
426
        break;
427
#ifdef TARGET_X86_64
428
    case 2:
429
        tcg_gen_addi_tl(cpu_regs[reg], cpu_regs[reg], val);
430
        break;
431
#endif
432
    }
433
}
434

    
435
static inline void gen_op_add_reg_T0(int size, int reg)
436
{
437
    switch(size) {
438
    case 0:
439
        tcg_gen_add_tl(cpu_tmp0, cpu_regs[reg], cpu_T[0]);
440
        tcg_gen_ext16u_tl(cpu_tmp0, cpu_tmp0);
441
        tcg_gen_andi_tl(cpu_regs[reg], cpu_regs[reg], ~0xffff);
442
        tcg_gen_or_tl(cpu_regs[reg], cpu_regs[reg], cpu_tmp0);
443
        break;
444
    case 1:
445
        tcg_gen_add_tl(cpu_tmp0, cpu_regs[reg], cpu_T[0]);
446
        /* For x86_64, this sets the higher half of register to zero.
447
           For i386, this is equivalent to a nop. */
448
        tcg_gen_ext32u_tl(cpu_tmp0, cpu_tmp0);
449
        tcg_gen_mov_tl(cpu_regs[reg], cpu_tmp0);
450
        break;
451
#ifdef TARGET_X86_64
452
    case 2:
453
        tcg_gen_add_tl(cpu_regs[reg], cpu_regs[reg], cpu_T[0]);
454
        break;
455
#endif
456
    }
457
}
458

    
459
static inline void gen_op_set_cc_op(int32_t val)
460
{
461
    tcg_gen_movi_i32(cpu_cc_op, val);
462
}
463

    
464
static inline void gen_op_addl_A0_reg_sN(int shift, int reg)
465
{
466
    tcg_gen_mov_tl(cpu_tmp0, cpu_regs[reg]);
467
    if (shift != 0)
468
        tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, shift);
469
    tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0);
470
    /* For x86_64, this sets the higher half of register to zero.
471
       For i386, this is equivalent to a nop. */
472
    tcg_gen_ext32u_tl(cpu_A0, cpu_A0);
473
}
474

    
475
static inline void gen_op_movl_A0_seg(int reg)
476
{
477
    tcg_gen_ld32u_tl(cpu_A0, cpu_env, offsetof(CPUState, segs[reg].base) + REG_L_OFFSET);
478
}
479

    
480
static inline void gen_op_addl_A0_seg(int reg)
481
{
482
    tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, segs[reg].base));
483
    tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0);
484
#ifdef TARGET_X86_64
485
    tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
486
#endif
487
}
488

    
489
#ifdef TARGET_X86_64
490
static inline void gen_op_movq_A0_seg(int reg)
491
{
492
    tcg_gen_ld_tl(cpu_A0, cpu_env, offsetof(CPUState, segs[reg].base));
493
}
494

    
495
static inline void gen_op_addq_A0_seg(int reg)
496
{
497
    tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, segs[reg].base));
498
    tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0);
499
}
500

    
501
static inline void gen_op_movq_A0_reg(int reg)
502
{
503
    tcg_gen_mov_tl(cpu_A0, cpu_regs[reg]);
504
}
505

    
506
static inline void gen_op_addq_A0_reg_sN(int shift, int reg)
507
{
508
    tcg_gen_mov_tl(cpu_tmp0, cpu_regs[reg]);
509
    if (shift != 0)
510
        tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, shift);
511
    tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0);
512
}
513
#endif
514

    
515
static inline void gen_op_lds_T0_A0(int idx)
516
{
517
    int mem_index = (idx >> 2) - 1;
518
    switch(idx & 3) {
519
    case 0:
520
        tcg_gen_qemu_ld8s(cpu_T[0], cpu_A0, mem_index);
521
        break;
522
    case 1:
523
        tcg_gen_qemu_ld16s(cpu_T[0], cpu_A0, mem_index);
524
        break;
525
    default:
526
    case 2:
527
        tcg_gen_qemu_ld32s(cpu_T[0], cpu_A0, mem_index);
528
        break;
529
    }
530
}
531

    
532
static inline void gen_op_ld_v(int idx, TCGv t0, TCGv a0)
533
{
534
    int mem_index = (idx >> 2) - 1;
535
    switch(idx & 3) {
536
    case 0:
537
        tcg_gen_qemu_ld8u(t0, a0, mem_index);
538
        break;
539
    case 1:
540
        tcg_gen_qemu_ld16u(t0, a0, mem_index);
541
        break;
542
    case 2:
543
        tcg_gen_qemu_ld32u(t0, a0, mem_index);
544
        break;
545
    default:
546
    case 3:
547
        /* Should never happen on 32-bit targets.  */
548
#ifdef TARGET_X86_64
549
        tcg_gen_qemu_ld64(t0, a0, mem_index);
550
#endif
551
        break;
552
    }
553
}
554

    
555
/* XXX: always use ldu or lds */
556
static inline void gen_op_ld_T0_A0(int idx)
557
{
558
    gen_op_ld_v(idx, cpu_T[0], cpu_A0);
559
}
560

    
561
static inline void gen_op_ldu_T0_A0(int idx)
562
{
563
    gen_op_ld_v(idx, cpu_T[0], cpu_A0);
564
}
565

    
566
static inline void gen_op_ld_T1_A0(int idx)
567
{
568
    gen_op_ld_v(idx, cpu_T[1], cpu_A0);
569
}
570

    
571
static inline void gen_op_st_v(int idx, TCGv t0, TCGv a0)
572
{
573
    int mem_index = (idx >> 2) - 1;
574
    switch(idx & 3) {
575
    case 0:
576
        tcg_gen_qemu_st8(t0, a0, mem_index);
577
        break;
578
    case 1:
579
        tcg_gen_qemu_st16(t0, a0, mem_index);
580
        break;
581
    case 2:
582
        tcg_gen_qemu_st32(t0, a0, mem_index);
583
        break;
584
    default:
585
    case 3:
586
        /* Should never happen on 32-bit targets.  */
587
#ifdef TARGET_X86_64
588
        tcg_gen_qemu_st64(t0, a0, mem_index);
589
#endif
590
        break;
591
    }
592
}
593

    
594
static inline void gen_op_st_T0_A0(int idx)
595
{
596
    gen_op_st_v(idx, cpu_T[0], cpu_A0);
597
}
598

    
599
static inline void gen_op_st_T1_A0(int idx)
600
{
601
    gen_op_st_v(idx, cpu_T[1], cpu_A0);
602
}
603

    
604
static inline void gen_jmp_im(target_ulong pc)
605
{
606
    tcg_gen_movi_tl(cpu_tmp0, pc);
607
    tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, eip));
608
}
609

    
610
static inline void gen_string_movl_A0_ESI(DisasContext *s)
611
{
612
    int override;
613

    
614
    override = s->override;
615
#ifdef TARGET_X86_64
616
    if (s->aflag == 2) {
617
        if (override >= 0) {
618
            gen_op_movq_A0_seg(override);
619
            gen_op_addq_A0_reg_sN(0, R_ESI);
620
        } else {
621
            gen_op_movq_A0_reg(R_ESI);
622
        }
623
    } else
624
#endif
625
    if (s->aflag) {
626
        /* 32 bit address */
627
        if (s->addseg && override < 0)
628
            override = R_DS;
629
        if (override >= 0) {
630
            gen_op_movl_A0_seg(override);
631
            gen_op_addl_A0_reg_sN(0, R_ESI);
632
        } else {
633
            gen_op_movl_A0_reg(R_ESI);
634
        }
635
    } else {
636
        /* 16 address, always override */
637
        if (override < 0)
638
            override = R_DS;
639
        gen_op_movl_A0_reg(R_ESI);
640
        gen_op_andl_A0_ffff();
641
        gen_op_addl_A0_seg(override);
642
    }
643
}
644

    
645
static inline void gen_string_movl_A0_EDI(DisasContext *s)
646
{
647
#ifdef TARGET_X86_64
648
    if (s->aflag == 2) {
649
        gen_op_movq_A0_reg(R_EDI);
650
    } else
651
#endif
652
    if (s->aflag) {
653
        if (s->addseg) {
654
            gen_op_movl_A0_seg(R_ES);
655
            gen_op_addl_A0_reg_sN(0, R_EDI);
656
        } else {
657
            gen_op_movl_A0_reg(R_EDI);
658
        }
659
    } else {
660
        gen_op_movl_A0_reg(R_EDI);
661
        gen_op_andl_A0_ffff();
662
        gen_op_addl_A0_seg(R_ES);
663
    }
664
}
665

    
666
static inline void gen_op_movl_T0_Dshift(int ot) 
667
{
668
    tcg_gen_ld32s_tl(cpu_T[0], cpu_env, offsetof(CPUState, df));
669
    tcg_gen_shli_tl(cpu_T[0], cpu_T[0], ot);
670
};
671

    
672
static void gen_extu(int ot, TCGv reg)
673
{
674
    switch(ot) {
675
    case OT_BYTE:
676
        tcg_gen_ext8u_tl(reg, reg);
677
        break;
678
    case OT_WORD:
679
        tcg_gen_ext16u_tl(reg, reg);
680
        break;
681
    case OT_LONG:
682
        tcg_gen_ext32u_tl(reg, reg);
683
        break;
684
    default:
685
        break;
686
    }
687
}
688

    
689
static void gen_exts(int ot, TCGv reg)
690
{
691
    switch(ot) {
692
    case OT_BYTE:
693
        tcg_gen_ext8s_tl(reg, reg);
694
        break;
695
    case OT_WORD:
696
        tcg_gen_ext16s_tl(reg, reg);
697
        break;
698
    case OT_LONG:
699
        tcg_gen_ext32s_tl(reg, reg);
700
        break;
701
    default:
702
        break;
703
    }
704
}
705

    
706
static inline void gen_op_jnz_ecx(int size, int label1)
707
{
708
    tcg_gen_mov_tl(cpu_tmp0, cpu_regs[R_ECX]);
709
    gen_extu(size + 1, cpu_tmp0);
710
    tcg_gen_brcondi_tl(TCG_COND_NE, cpu_tmp0, 0, label1);
711
}
712

    
713
static inline void gen_op_jz_ecx(int size, int label1)
714
{
715
    tcg_gen_mov_tl(cpu_tmp0, cpu_regs[R_ECX]);
716
    gen_extu(size + 1, cpu_tmp0);
717
    tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1);
718
}
719

    
720
static void gen_helper_in_func(int ot, TCGv v, TCGv_i32 n)
721
{
722
    switch (ot) {
723
    case 0: gen_helper_inb(v, n); break;
724
    case 1: gen_helper_inw(v, n); break;
725
    case 2: gen_helper_inl(v, n); break;
726
    }
727

    
728
}
729

    
730
static void gen_helper_out_func(int ot, TCGv_i32 v, TCGv_i32 n)
731
{
732
    switch (ot) {
733
    case 0: gen_helper_outb(v, n); break;
734
    case 1: gen_helper_outw(v, n); break;
735
    case 2: gen_helper_outl(v, n); break;
736
    }
737

    
738
}
739

    
740
static void gen_check_io(DisasContext *s, int ot, target_ulong cur_eip,
741
                         uint32_t svm_flags)
742
{
743
    int state_saved;
744
    target_ulong next_eip;
745

    
746
    state_saved = 0;
747
    if (s->pe && (s->cpl > s->iopl || s->vm86)) {
748
        if (s->cc_op != CC_OP_DYNAMIC)
749
            gen_op_set_cc_op(s->cc_op);
750
        gen_jmp_im(cur_eip);
751
        state_saved = 1;
752
        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
753
        switch (ot) {
754
        case 0: gen_helper_check_iob(cpu_tmp2_i32); break;
755
        case 1: gen_helper_check_iow(cpu_tmp2_i32); break;
756
        case 2: gen_helper_check_iol(cpu_tmp2_i32); break;
757
        }
758
    }
759
    if(s->flags & HF_SVMI_MASK) {
760
        if (!state_saved) {
761
            if (s->cc_op != CC_OP_DYNAMIC)
762
                gen_op_set_cc_op(s->cc_op);
763
            gen_jmp_im(cur_eip);
764
            state_saved = 1;
765
        }
766
        svm_flags |= (1 << (4 + ot));
767
        next_eip = s->pc - s->cs_base;
768
        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
769
        gen_helper_svm_check_io(cpu_tmp2_i32, tcg_const_i32(svm_flags),
770
                                tcg_const_i32(next_eip - cur_eip));
771
    }
772
}
773

    
774
static inline void gen_movs(DisasContext *s, int ot)
775
{
776
    gen_string_movl_A0_ESI(s);
777
    gen_op_ld_T0_A0(ot + s->mem_index);
778
    gen_string_movl_A0_EDI(s);
779
    gen_op_st_T0_A0(ot + s->mem_index);
780
    gen_op_movl_T0_Dshift(ot);
781
    gen_op_add_reg_T0(s->aflag, R_ESI);
782
    gen_op_add_reg_T0(s->aflag, R_EDI);
783
}
784

    
785
static inline void gen_update_cc_op(DisasContext *s)
786
{
787
    if (s->cc_op != CC_OP_DYNAMIC) {
788
        gen_op_set_cc_op(s->cc_op);
789
        s->cc_op = CC_OP_DYNAMIC;
790
    }
791
}
792

    
793
static void gen_op_update1_cc(void)
794
{
795
    tcg_gen_discard_tl(cpu_cc_src);
796
    tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
797
}
798

    
799
static void gen_op_update2_cc(void)
800
{
801
    tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
802
    tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
803
}
804

    
805
static inline void gen_op_cmpl_T0_T1_cc(void)
806
{
807
    tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
808
    tcg_gen_sub_tl(cpu_cc_dst, cpu_T[0], cpu_T[1]);
809
}
810

    
811
static inline void gen_op_testl_T0_T1_cc(void)
812
{
813
    tcg_gen_discard_tl(cpu_cc_src);
814
    tcg_gen_and_tl(cpu_cc_dst, cpu_T[0], cpu_T[1]);
815
}
816

    
817
static void gen_op_update_neg_cc(void)
818
{
819
    tcg_gen_neg_tl(cpu_cc_src, cpu_T[0]);
820
    tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
821
}
822

    
823
/* compute eflags.C to reg */
824
static void gen_compute_eflags_c(TCGv reg)
825
{
826
    gen_helper_cc_compute_c(cpu_tmp2_i32, cpu_cc_op);
827
    tcg_gen_extu_i32_tl(reg, cpu_tmp2_i32);
828
}
829

    
830
/* compute all eflags to cc_src */
831
static void gen_compute_eflags(TCGv reg)
832
{
833
    gen_helper_cc_compute_all(cpu_tmp2_i32, cpu_cc_op);
834
    tcg_gen_extu_i32_tl(reg, cpu_tmp2_i32);
835
}
836

    
837
static inline void gen_setcc_slow_T0(DisasContext *s, int jcc_op)
838
{
839
    if (s->cc_op != CC_OP_DYNAMIC)
840
        gen_op_set_cc_op(s->cc_op);
841
    switch(jcc_op) {
842
    case JCC_O:
843
        gen_compute_eflags(cpu_T[0]);
844
        tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 11);
845
        tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
846
        break;
847
    case JCC_B:
848
        gen_compute_eflags_c(cpu_T[0]);
849
        break;
850
    case JCC_Z:
851
        gen_compute_eflags(cpu_T[0]);
852
        tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 6);
853
        tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
854
        break;
855
    case JCC_BE:
856
        gen_compute_eflags(cpu_tmp0);
857
        tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 6);
858
        tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
859
        tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
860
        break;
861
    case JCC_S:
862
        gen_compute_eflags(cpu_T[0]);
863
        tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 7);
864
        tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
865
        break;
866
    case JCC_P:
867
        gen_compute_eflags(cpu_T[0]);
868
        tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 2);
869
        tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
870
        break;
871
    case JCC_L:
872
        gen_compute_eflags(cpu_tmp0);
873
        tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 11); /* CC_O */
874
        tcg_gen_shri_tl(cpu_tmp0, cpu_tmp0, 7); /* CC_S */
875
        tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
876
        tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
877
        break;
878
    default:
879
    case JCC_LE:
880
        gen_compute_eflags(cpu_tmp0);
881
        tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 11); /* CC_O */
882
        tcg_gen_shri_tl(cpu_tmp4, cpu_tmp0, 7); /* CC_S */
883
        tcg_gen_shri_tl(cpu_tmp0, cpu_tmp0, 6); /* CC_Z */
884
        tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp4);
885
        tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
886
        tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1);
887
        break;
888
    }
889
}
890

    
891
/* return true if setcc_slow is not needed (WARNING: must be kept in
892
   sync with gen_jcc1) */
893
static int is_fast_jcc_case(DisasContext *s, int b)
894
{
895
    int jcc_op;
896
    jcc_op = (b >> 1) & 7;
897
    switch(s->cc_op) {
898
        /* we optimize the cmp/jcc case */
899
    case CC_OP_SUBB:
900
    case CC_OP_SUBW:
901
    case CC_OP_SUBL:
902
    case CC_OP_SUBQ:
903
        if (jcc_op == JCC_O || jcc_op == JCC_P)
904
            goto slow_jcc;
905
        break;
906

    
907
        /* some jumps are easy to compute */
908
    case CC_OP_ADDB:
909
    case CC_OP_ADDW:
910
    case CC_OP_ADDL:
911
    case CC_OP_ADDQ:
912

    
913
    case CC_OP_LOGICB:
914
    case CC_OP_LOGICW:
915
    case CC_OP_LOGICL:
916
    case CC_OP_LOGICQ:
917

    
918
    case CC_OP_INCB:
919
    case CC_OP_INCW:
920
    case CC_OP_INCL:
921
    case CC_OP_INCQ:
922

    
923
    case CC_OP_DECB:
924
    case CC_OP_DECW:
925
    case CC_OP_DECL:
926
    case CC_OP_DECQ:
927

    
928
    case CC_OP_SHLB:
929
    case CC_OP_SHLW:
930
    case CC_OP_SHLL:
931
    case CC_OP_SHLQ:
932
        if (jcc_op != JCC_Z && jcc_op != JCC_S)
933
            goto slow_jcc;
934
        break;
935
    default:
936
    slow_jcc:
937
        return 0;
938
    }
939
    return 1;
940
}
941

    
942
/* generate a conditional jump to label 'l1' according to jump opcode
943
   value 'b'. In the fast case, T0 is guaranted not to be used. */
944
static inline void gen_jcc1(DisasContext *s, int cc_op, int b, int l1)
945
{
946
    int inv, jcc_op, size, cond;
947
    TCGv t0;
948

    
949
    inv = b & 1;
950
    jcc_op = (b >> 1) & 7;
951

    
952
    switch(cc_op) {
953
        /* we optimize the cmp/jcc case */
954
    case CC_OP_SUBB:
955
    case CC_OP_SUBW:
956
    case CC_OP_SUBL:
957
    case CC_OP_SUBQ:
958
        
959
        size = cc_op - CC_OP_SUBB;
960
        switch(jcc_op) {
961
        case JCC_Z:
962
        fast_jcc_z:
963
            switch(size) {
964
            case 0:
965
                tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xff);
966
                t0 = cpu_tmp0;
967
                break;
968
            case 1:
969
                tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xffff);
970
                t0 = cpu_tmp0;
971
                break;
972
#ifdef TARGET_X86_64
973
            case 2:
974
                tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xffffffff);
975
                t0 = cpu_tmp0;
976
                break;
977
#endif
978
            default:
979
                t0 = cpu_cc_dst;
980
                break;
981
            }
982
            tcg_gen_brcondi_tl(inv ? TCG_COND_NE : TCG_COND_EQ, t0, 0, l1);
983
            break;
984
        case JCC_S:
985
        fast_jcc_s:
986
            switch(size) {
987
            case 0:
988
                tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x80);
989
                tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0, 
990
                                   0, l1);
991
                break;
992
            case 1:
993
                tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x8000);
994
                tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0, 
995
                                   0, l1);
996
                break;
997
#ifdef TARGET_X86_64
998
            case 2:
999
                tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x80000000);
1000
                tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0, 
1001
                                   0, l1);
1002
                break;
1003
#endif
1004
            default:
1005
                tcg_gen_brcondi_tl(inv ? TCG_COND_GE : TCG_COND_LT, cpu_cc_dst, 
1006
                                   0, l1);
1007
                break;
1008
            }
1009
            break;
1010
            
1011
        case JCC_B:
1012
            cond = inv ? TCG_COND_GEU : TCG_COND_LTU;
1013
            goto fast_jcc_b;
1014
        case JCC_BE:
1015
            cond = inv ? TCG_COND_GTU : TCG_COND_LEU;
1016
        fast_jcc_b:
1017
            tcg_gen_add_tl(cpu_tmp4, cpu_cc_dst, cpu_cc_src);
1018
            switch(size) {
1019
            case 0:
1020
                t0 = cpu_tmp0;
1021
                tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xff);
1022
                tcg_gen_andi_tl(t0, cpu_cc_src, 0xff);
1023
                break;
1024
            case 1:
1025
                t0 = cpu_tmp0;
1026
                tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xffff);
1027
                tcg_gen_andi_tl(t0, cpu_cc_src, 0xffff);
1028
                break;
1029
#ifdef TARGET_X86_64
1030
            case 2:
1031
                t0 = cpu_tmp0;
1032
                tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xffffffff);
1033
                tcg_gen_andi_tl(t0, cpu_cc_src, 0xffffffff);
1034
                break;
1035
#endif
1036
            default:
1037
                t0 = cpu_cc_src;
1038
                break;
1039
            }
1040
            tcg_gen_brcond_tl(cond, cpu_tmp4, t0, l1);
1041
            break;
1042
            
1043
        case JCC_L:
1044
            cond = inv ? TCG_COND_GE : TCG_COND_LT;
1045
            goto fast_jcc_l;
1046
        case JCC_LE:
1047
            cond = inv ? TCG_COND_GT : TCG_COND_LE;
1048
        fast_jcc_l:
1049
            tcg_gen_add_tl(cpu_tmp4, cpu_cc_dst, cpu_cc_src);
1050
            switch(size) {
1051
            case 0:
1052
                t0 = cpu_tmp0;
1053
                tcg_gen_ext8s_tl(cpu_tmp4, cpu_tmp4);
1054
                tcg_gen_ext8s_tl(t0, cpu_cc_src);
1055
                break;
1056
            case 1:
1057
                t0 = cpu_tmp0;
1058
                tcg_gen_ext16s_tl(cpu_tmp4, cpu_tmp4);
1059
                tcg_gen_ext16s_tl(t0, cpu_cc_src);
1060
                break;
1061
#ifdef TARGET_X86_64
1062
            case 2:
1063
                t0 = cpu_tmp0;
1064
                tcg_gen_ext32s_tl(cpu_tmp4, cpu_tmp4);
1065
                tcg_gen_ext32s_tl(t0, cpu_cc_src);
1066
                break;
1067
#endif
1068
            default:
1069
                t0 = cpu_cc_src;
1070
                break;
1071
            }
1072
            tcg_gen_brcond_tl(cond, cpu_tmp4, t0, l1);
1073
            break;
1074
            
1075
        default:
1076
            goto slow_jcc;
1077
        }
1078
        break;
1079
        
1080
        /* some jumps are easy to compute */
1081
    case CC_OP_ADDB:
1082
    case CC_OP_ADDW:
1083
    case CC_OP_ADDL:
1084
    case CC_OP_ADDQ:
1085
        
1086
    case CC_OP_ADCB:
1087
    case CC_OP_ADCW:
1088
    case CC_OP_ADCL:
1089
    case CC_OP_ADCQ:
1090
        
1091
    case CC_OP_SBBB:
1092
    case CC_OP_SBBW:
1093
    case CC_OP_SBBL:
1094
    case CC_OP_SBBQ:
1095
        
1096
    case CC_OP_LOGICB:
1097
    case CC_OP_LOGICW:
1098
    case CC_OP_LOGICL:
1099
    case CC_OP_LOGICQ:
1100
        
1101
    case CC_OP_INCB:
1102
    case CC_OP_INCW:
1103
    case CC_OP_INCL:
1104
    case CC_OP_INCQ:
1105
        
1106
    case CC_OP_DECB:
1107
    case CC_OP_DECW:
1108
    case CC_OP_DECL:
1109
    case CC_OP_DECQ:
1110
        
1111
    case CC_OP_SHLB:
1112
    case CC_OP_SHLW:
1113
    case CC_OP_SHLL:
1114
    case CC_OP_SHLQ:
1115
        
1116
    case CC_OP_SARB:
1117
    case CC_OP_SARW:
1118
    case CC_OP_SARL:
1119
    case CC_OP_SARQ:
1120
        switch(jcc_op) {
1121
        case JCC_Z:
1122
            size = (cc_op - CC_OP_ADDB) & 3;
1123
            goto fast_jcc_z;
1124
        case JCC_S:
1125
            size = (cc_op - CC_OP_ADDB) & 3;
1126
            goto fast_jcc_s;
1127
        default:
1128
            goto slow_jcc;
1129
        }
1130
        break;
1131
    default:
1132
    slow_jcc:
1133
        gen_setcc_slow_T0(s, jcc_op);
1134
        tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, 
1135
                           cpu_T[0], 0, l1);
1136
        break;
1137
    }
1138
}
1139

    
1140
/* XXX: does not work with gdbstub "ice" single step - not a
1141
   serious problem */
1142
static int gen_jz_ecx_string(DisasContext *s, target_ulong next_eip)
1143
{
1144
    int l1, l2;
1145

    
1146
    l1 = gen_new_label();
1147
    l2 = gen_new_label();
1148
    gen_op_jnz_ecx(s->aflag, l1);
1149
    gen_set_label(l2);
1150
    gen_jmp_tb(s, next_eip, 1);
1151
    gen_set_label(l1);
1152
    return l2;
1153
}
1154

    
1155
static inline void gen_stos(DisasContext *s, int ot)
1156
{
1157
    gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
1158
    gen_string_movl_A0_EDI(s);
1159
    gen_op_st_T0_A0(ot + s->mem_index);
1160
    gen_op_movl_T0_Dshift(ot);
1161
    gen_op_add_reg_T0(s->aflag, R_EDI);
1162
}
1163

    
1164
static inline void gen_lods(DisasContext *s, int ot)
1165
{
1166
    gen_string_movl_A0_ESI(s);
1167
    gen_op_ld_T0_A0(ot + s->mem_index);
1168
    gen_op_mov_reg_T0(ot, R_EAX);
1169
    gen_op_movl_T0_Dshift(ot);
1170
    gen_op_add_reg_T0(s->aflag, R_ESI);
1171
}
1172

    
1173
static inline void gen_scas(DisasContext *s, int ot)
1174
{
1175
    gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
1176
    gen_string_movl_A0_EDI(s);
1177
    gen_op_ld_T1_A0(ot + s->mem_index);
1178
    gen_op_cmpl_T0_T1_cc();
1179
    gen_op_movl_T0_Dshift(ot);
1180
    gen_op_add_reg_T0(s->aflag, R_EDI);
1181
}
1182

    
1183
static inline void gen_cmps(DisasContext *s, int ot)
1184
{
1185
    gen_string_movl_A0_ESI(s);
1186
    gen_op_ld_T0_A0(ot + s->mem_index);
1187
    gen_string_movl_A0_EDI(s);
1188
    gen_op_ld_T1_A0(ot + s->mem_index);
1189
    gen_op_cmpl_T0_T1_cc();
1190
    gen_op_movl_T0_Dshift(ot);
1191
    gen_op_add_reg_T0(s->aflag, R_ESI);
1192
    gen_op_add_reg_T0(s->aflag, R_EDI);
1193
}
1194

    
1195
static inline void gen_ins(DisasContext *s, int ot)
1196
{
1197
    if (use_icount)
1198
        gen_io_start();
1199
    gen_string_movl_A0_EDI(s);
1200
    /* Note: we must do this dummy write first to be restartable in
1201
       case of page fault. */
1202
    gen_op_movl_T0_0();
1203
    gen_op_st_T0_A0(ot + s->mem_index);
1204
    gen_op_mov_TN_reg(OT_WORD, 1, R_EDX);
1205
    tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[1]);
1206
    tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
1207
    gen_helper_in_func(ot, cpu_T[0], cpu_tmp2_i32);
1208
    gen_op_st_T0_A0(ot + s->mem_index);
1209
    gen_op_movl_T0_Dshift(ot);
1210
    gen_op_add_reg_T0(s->aflag, R_EDI);
1211
    if (use_icount)
1212
        gen_io_end();
1213
}
1214

    
1215
static inline void gen_outs(DisasContext *s, int ot)
1216
{
1217
    if (use_icount)
1218
        gen_io_start();
1219
    gen_string_movl_A0_ESI(s);
1220
    gen_op_ld_T0_A0(ot + s->mem_index);
1221

    
1222
    gen_op_mov_TN_reg(OT_WORD, 1, R_EDX);
1223
    tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[1]);
1224
    tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
1225
    tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[0]);
1226
    gen_helper_out_func(ot, cpu_tmp2_i32, cpu_tmp3_i32);
1227

    
1228
    gen_op_movl_T0_Dshift(ot);
1229
    gen_op_add_reg_T0(s->aflag, R_ESI);
1230
    if (use_icount)
1231
        gen_io_end();
1232
}
1233

    
1234
/* same method as Valgrind : we generate jumps to current or next
1235
   instruction */
1236
#define GEN_REPZ(op)                                                          \
1237
static inline void gen_repz_ ## op(DisasContext *s, int ot,                   \
1238
                                 target_ulong cur_eip, target_ulong next_eip) \
1239
{                                                                             \
1240
    int l2;\
1241
    gen_update_cc_op(s);                                                      \
1242
    l2 = gen_jz_ecx_string(s, next_eip);                                      \
1243
    gen_ ## op(s, ot);                                                        \
1244
    gen_op_add_reg_im(s->aflag, R_ECX, -1);                                   \
1245
    /* a loop would cause two single step exceptions if ECX = 1               \
1246
       before rep string_insn */                                              \
1247
    if (!s->jmp_opt)                                                          \
1248
        gen_op_jz_ecx(s->aflag, l2);                                          \
1249
    gen_jmp(s, cur_eip);                                                      \
1250
}
1251

    
1252
#define GEN_REPZ2(op)                                                         \
1253
static inline void gen_repz_ ## op(DisasContext *s, int ot,                   \
1254
                                   target_ulong cur_eip,                      \
1255
                                   target_ulong next_eip,                     \
1256
                                   int nz)                                    \
1257
{                                                                             \
1258
    int l2;\
1259
    gen_update_cc_op(s);                                                      \
1260
    l2 = gen_jz_ecx_string(s, next_eip);                                      \
1261
    gen_ ## op(s, ot);                                                        \
1262
    gen_op_add_reg_im(s->aflag, R_ECX, -1);                                   \
1263
    gen_op_set_cc_op(CC_OP_SUBB + ot);                                        \
1264
    gen_jcc1(s, CC_OP_SUBB + ot, (JCC_Z << 1) | (nz ^ 1), l2);                \
1265
    if (!s->jmp_opt)                                                          \
1266
        gen_op_jz_ecx(s->aflag, l2);                                          \
1267
    gen_jmp(s, cur_eip);                                                      \
1268
}
1269

    
1270
GEN_REPZ(movs)
1271
GEN_REPZ(stos)
1272
GEN_REPZ(lods)
1273
GEN_REPZ(ins)
1274
GEN_REPZ(outs)
1275
GEN_REPZ2(scas)
1276
GEN_REPZ2(cmps)
1277

    
1278
static void gen_helper_fp_arith_ST0_FT0(int op)
1279
{
1280
    switch (op) {
1281
    case 0: gen_helper_fadd_ST0_FT0(); break;
1282
    case 1: gen_helper_fmul_ST0_FT0(); break;
1283
    case 2: gen_helper_fcom_ST0_FT0(); break;
1284
    case 3: gen_helper_fcom_ST0_FT0(); break;
1285
    case 4: gen_helper_fsub_ST0_FT0(); break;
1286
    case 5: gen_helper_fsubr_ST0_FT0(); break;
1287
    case 6: gen_helper_fdiv_ST0_FT0(); break;
1288
    case 7: gen_helper_fdivr_ST0_FT0(); break;
1289
    }
1290
}
1291

    
1292
/* NOTE the exception in "r" op ordering */
1293
static void gen_helper_fp_arith_STN_ST0(int op, int opreg)
1294
{
1295
    TCGv_i32 tmp = tcg_const_i32(opreg);
1296
    switch (op) {
1297
    case 0: gen_helper_fadd_STN_ST0(tmp); break;
1298
    case 1: gen_helper_fmul_STN_ST0(tmp); break;
1299
    case 4: gen_helper_fsubr_STN_ST0(tmp); break;
1300
    case 5: gen_helper_fsub_STN_ST0(tmp); break;
1301
    case 6: gen_helper_fdivr_STN_ST0(tmp); break;
1302
    case 7: gen_helper_fdiv_STN_ST0(tmp); break;
1303
    }
1304
}
1305

    
1306
/* if d == OR_TMP0, it means memory operand (address in A0) */
1307
static void gen_op(DisasContext *s1, int op, int ot, int d)
1308
{
1309
    if (d != OR_TMP0) {
1310
        gen_op_mov_TN_reg(ot, 0, d);
1311
    } else {
1312
        gen_op_ld_T0_A0(ot + s1->mem_index);
1313
    }
1314
    switch(op) {
1315
    case OP_ADCL:
1316
        if (s1->cc_op != CC_OP_DYNAMIC)
1317
            gen_op_set_cc_op(s1->cc_op);
1318
        gen_compute_eflags_c(cpu_tmp4);
1319
        tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
1320
        tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_tmp4);
1321
        if (d != OR_TMP0)
1322
            gen_op_mov_reg_T0(ot, d);
1323
        else
1324
            gen_op_st_T0_A0(ot + s1->mem_index);
1325
        tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
1326
        tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
1327
        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_tmp4);
1328
        tcg_gen_shli_i32(cpu_tmp2_i32, cpu_tmp2_i32, 2);
1329
        tcg_gen_addi_i32(cpu_cc_op, cpu_tmp2_i32, CC_OP_ADDB + ot);
1330
        s1->cc_op = CC_OP_DYNAMIC;
1331
        break;
1332
    case OP_SBBL:
1333
        if (s1->cc_op != CC_OP_DYNAMIC)
1334
            gen_op_set_cc_op(s1->cc_op);
1335
        gen_compute_eflags_c(cpu_tmp4);
1336
        tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
1337
        tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_tmp4);
1338
        if (d != OR_TMP0)
1339
            gen_op_mov_reg_T0(ot, d);
1340
        else
1341
            gen_op_st_T0_A0(ot + s1->mem_index);
1342
        tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
1343
        tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
1344
        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_tmp4);
1345
        tcg_gen_shli_i32(cpu_tmp2_i32, cpu_tmp2_i32, 2);
1346
        tcg_gen_addi_i32(cpu_cc_op, cpu_tmp2_i32, CC_OP_SUBB + ot);
1347
        s1->cc_op = CC_OP_DYNAMIC;
1348
        break;
1349
    case OP_ADDL:
1350
        gen_op_addl_T0_T1();
1351
        if (d != OR_TMP0)
1352
            gen_op_mov_reg_T0(ot, d);
1353
        else
1354
            gen_op_st_T0_A0(ot + s1->mem_index);
1355
        gen_op_update2_cc();
1356
        s1->cc_op = CC_OP_ADDB + ot;
1357
        break;
1358
    case OP_SUBL:
1359
        tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
1360
        if (d != OR_TMP0)
1361
            gen_op_mov_reg_T0(ot, d);
1362
        else
1363
            gen_op_st_T0_A0(ot + s1->mem_index);
1364
        gen_op_update2_cc();
1365
        s1->cc_op = CC_OP_SUBB + ot;
1366
        break;
1367
    default:
1368
    case OP_ANDL:
1369
        tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
1370
        if (d != OR_TMP0)
1371
            gen_op_mov_reg_T0(ot, d);
1372
        else
1373
            gen_op_st_T0_A0(ot + s1->mem_index);
1374
        gen_op_update1_cc();
1375
        s1->cc_op = CC_OP_LOGICB + ot;
1376
        break;
1377
    case OP_ORL:
1378
        tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
1379
        if (d != OR_TMP0)
1380
            gen_op_mov_reg_T0(ot, d);
1381
        else
1382
            gen_op_st_T0_A0(ot + s1->mem_index);
1383
        gen_op_update1_cc();
1384
        s1->cc_op = CC_OP_LOGICB + ot;
1385
        break;
1386
    case OP_XORL:
1387
        tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
1388
        if (d != OR_TMP0)
1389
            gen_op_mov_reg_T0(ot, d);
1390
        else
1391
            gen_op_st_T0_A0(ot + s1->mem_index);
1392
        gen_op_update1_cc();
1393
        s1->cc_op = CC_OP_LOGICB + ot;
1394
        break;
1395
    case OP_CMPL:
1396
        gen_op_cmpl_T0_T1_cc();
1397
        s1->cc_op = CC_OP_SUBB + ot;
1398
        break;
1399
    }
1400
}
1401

    
1402
/* if d == OR_TMP0, it means memory operand (address in A0) */
1403
static void gen_inc(DisasContext *s1, int ot, int d, int c)
1404
{
1405
    if (d != OR_TMP0)
1406
        gen_op_mov_TN_reg(ot, 0, d);
1407
    else
1408
        gen_op_ld_T0_A0(ot + s1->mem_index);
1409
    if (s1->cc_op != CC_OP_DYNAMIC)
1410
        gen_op_set_cc_op(s1->cc_op);
1411
    if (c > 0) {
1412
        tcg_gen_addi_tl(cpu_T[0], cpu_T[0], 1);
1413
        s1->cc_op = CC_OP_INCB + ot;
1414
    } else {
1415
        tcg_gen_addi_tl(cpu_T[0], cpu_T[0], -1);
1416
        s1->cc_op = CC_OP_DECB + ot;
1417
    }
1418
    if (d != OR_TMP0)
1419
        gen_op_mov_reg_T0(ot, d);
1420
    else
1421
        gen_op_st_T0_A0(ot + s1->mem_index);
1422
    gen_compute_eflags_c(cpu_cc_src);
1423
    tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
1424
}
1425

    
1426
static void gen_shift_rm_T1(DisasContext *s, int ot, int op1, 
1427
                            int is_right, int is_arith)
1428
{
1429
    target_ulong mask;
1430
    int shift_label;
1431
    TCGv t0, t1;
1432

    
1433
    if (ot == OT_QUAD)
1434
        mask = 0x3f;
1435
    else
1436
        mask = 0x1f;
1437

    
1438
    /* load */
1439
    if (op1 == OR_TMP0)
1440
        gen_op_ld_T0_A0(ot + s->mem_index);
1441
    else
1442
        gen_op_mov_TN_reg(ot, 0, op1);
1443

    
1444
    tcg_gen_andi_tl(cpu_T[1], cpu_T[1], mask);
1445

    
1446
    tcg_gen_addi_tl(cpu_tmp5, cpu_T[1], -1);
1447

    
1448
    if (is_right) {
1449
        if (is_arith) {
1450
            gen_exts(ot, cpu_T[0]);
1451
            tcg_gen_sar_tl(cpu_T3, cpu_T[0], cpu_tmp5);
1452
            tcg_gen_sar_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
1453
        } else {
1454
            gen_extu(ot, cpu_T[0]);
1455
            tcg_gen_shr_tl(cpu_T3, cpu_T[0], cpu_tmp5);
1456
            tcg_gen_shr_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
1457
        }
1458
    } else {
1459
        tcg_gen_shl_tl(cpu_T3, cpu_T[0], cpu_tmp5);
1460
        tcg_gen_shl_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
1461
    }
1462

    
1463
    /* store */
1464
    if (op1 == OR_TMP0)
1465
        gen_op_st_T0_A0(ot + s->mem_index);
1466
    else
1467
        gen_op_mov_reg_T0(ot, op1);
1468
        
1469
    /* update eflags if non zero shift */
1470
    if (s->cc_op != CC_OP_DYNAMIC)
1471
        gen_op_set_cc_op(s->cc_op);
1472

    
1473
    /* XXX: inefficient */
1474
    t0 = tcg_temp_local_new();
1475
    t1 = tcg_temp_local_new();
1476

    
1477
    tcg_gen_mov_tl(t0, cpu_T[0]);
1478
    tcg_gen_mov_tl(t1, cpu_T3);
1479

    
1480
    shift_label = gen_new_label();
1481
    tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, shift_label);
1482

    
1483
    tcg_gen_mov_tl(cpu_cc_src, t1);
1484
    tcg_gen_mov_tl(cpu_cc_dst, t0);
1485
    if (is_right)
1486
        tcg_gen_movi_i32(cpu_cc_op, CC_OP_SARB + ot);
1487
    else
1488
        tcg_gen_movi_i32(cpu_cc_op, CC_OP_SHLB + ot);
1489
        
1490
    gen_set_label(shift_label);
1491
    s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
1492

    
1493
    tcg_temp_free(t0);
1494
    tcg_temp_free(t1);
1495
}
1496

    
1497
static void gen_shift_rm_im(DisasContext *s, int ot, int op1, int op2,
1498
                            int is_right, int is_arith)
1499
{
1500
    int mask;
1501
    
1502
    if (ot == OT_QUAD)
1503
        mask = 0x3f;
1504
    else
1505
        mask = 0x1f;
1506

    
1507
    /* load */
1508
    if (op1 == OR_TMP0)
1509
        gen_op_ld_T0_A0(ot + s->mem_index);
1510
    else
1511
        gen_op_mov_TN_reg(ot, 0, op1);
1512

    
1513
    op2 &= mask;
1514
    if (op2 != 0) {
1515
        if (is_right) {
1516
            if (is_arith) {
1517
                gen_exts(ot, cpu_T[0]);
1518
                tcg_gen_sari_tl(cpu_tmp4, cpu_T[0], op2 - 1);
1519
                tcg_gen_sari_tl(cpu_T[0], cpu_T[0], op2);
1520
            } else {
1521
                gen_extu(ot, cpu_T[0]);
1522
                tcg_gen_shri_tl(cpu_tmp4, cpu_T[0], op2 - 1);
1523
                tcg_gen_shri_tl(cpu_T[0], cpu_T[0], op2);
1524
            }
1525
        } else {
1526
            tcg_gen_shli_tl(cpu_tmp4, cpu_T[0], op2 - 1);
1527
            tcg_gen_shli_tl(cpu_T[0], cpu_T[0], op2);
1528
        }
1529
    }
1530

    
1531
    /* store */
1532
    if (op1 == OR_TMP0)
1533
        gen_op_st_T0_A0(ot + s->mem_index);
1534
    else
1535
        gen_op_mov_reg_T0(ot, op1);
1536
        
1537
    /* update eflags if non zero shift */
1538
    if (op2 != 0) {
1539
        tcg_gen_mov_tl(cpu_cc_src, cpu_tmp4);
1540
        tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
1541
        if (is_right)
1542
            s->cc_op = CC_OP_SARB + ot;
1543
        else
1544
            s->cc_op = CC_OP_SHLB + ot;
1545
    }
1546
}
1547

    
1548
static inline void tcg_gen_lshift(TCGv ret, TCGv arg1, target_long arg2)
1549
{
1550
    if (arg2 >= 0)
1551
        tcg_gen_shli_tl(ret, arg1, arg2);
1552
    else
1553
        tcg_gen_shri_tl(ret, arg1, -arg2);
1554
}
1555

    
1556
static void gen_rot_rm_T1(DisasContext *s, int ot, int op1, 
1557
                          int is_right)
1558
{
1559
    target_ulong mask;
1560
    int label1, label2, data_bits;
1561
    TCGv t0, t1, t2, a0;
1562

    
1563
    /* XXX: inefficient, but we must use local temps */
1564
    t0 = tcg_temp_local_new();
1565
    t1 = tcg_temp_local_new();
1566
    t2 = tcg_temp_local_new();
1567
    a0 = tcg_temp_local_new();
1568

    
1569
    if (ot == OT_QUAD)
1570
        mask = 0x3f;
1571
    else
1572
        mask = 0x1f;
1573

    
1574
    /* load */
1575
    if (op1 == OR_TMP0) {
1576
        tcg_gen_mov_tl(a0, cpu_A0);
1577
        gen_op_ld_v(ot + s->mem_index, t0, a0);
1578
    } else {
1579
        gen_op_mov_v_reg(ot, t0, op1);
1580
    }
1581

    
1582
    tcg_gen_mov_tl(t1, cpu_T[1]);
1583

    
1584
    tcg_gen_andi_tl(t1, t1, mask);
1585

    
1586
    /* Must test zero case to avoid using undefined behaviour in TCG
1587
       shifts. */
1588
    label1 = gen_new_label();
1589
    tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, label1);
1590
    
1591
    if (ot <= OT_WORD)
1592
        tcg_gen_andi_tl(cpu_tmp0, t1, (1 << (3 + ot)) - 1);
1593
    else
1594
        tcg_gen_mov_tl(cpu_tmp0, t1);
1595
    
1596
    gen_extu(ot, t0);
1597
    tcg_gen_mov_tl(t2, t0);
1598

    
1599
    data_bits = 8 << ot;
1600
    /* XXX: rely on behaviour of shifts when operand 2 overflows (XXX:
1601
       fix TCG definition) */
1602
    if (is_right) {
1603
        tcg_gen_shr_tl(cpu_tmp4, t0, cpu_tmp0);
1604
        tcg_gen_subfi_tl(cpu_tmp0, data_bits, cpu_tmp0);
1605
        tcg_gen_shl_tl(t0, t0, cpu_tmp0);
1606
    } else {
1607
        tcg_gen_shl_tl(cpu_tmp4, t0, cpu_tmp0);
1608
        tcg_gen_subfi_tl(cpu_tmp0, data_bits, cpu_tmp0);
1609
        tcg_gen_shr_tl(t0, t0, cpu_tmp0);
1610
    }
1611
    tcg_gen_or_tl(t0, t0, cpu_tmp4);
1612

    
1613
    gen_set_label(label1);
1614
    /* store */
1615
    if (op1 == OR_TMP0) {
1616
        gen_op_st_v(ot + s->mem_index, t0, a0);
1617
    } else {
1618
        gen_op_mov_reg_v(ot, op1, t0);
1619
    }
1620
    
1621
    /* update eflags */
1622
    if (s->cc_op != CC_OP_DYNAMIC)
1623
        gen_op_set_cc_op(s->cc_op);
1624

    
1625
    label2 = gen_new_label();
1626
    tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, label2);
1627

    
1628
    gen_compute_eflags(cpu_cc_src);
1629
    tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~(CC_O | CC_C));
1630
    tcg_gen_xor_tl(cpu_tmp0, t2, t0);
1631
    tcg_gen_lshift(cpu_tmp0, cpu_tmp0, 11 - (data_bits - 1));
1632
    tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, CC_O);
1633
    tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_tmp0);
1634
    if (is_right) {
1635
        tcg_gen_shri_tl(t0, t0, data_bits - 1);
1636
    }
1637
    tcg_gen_andi_tl(t0, t0, CC_C);
1638
    tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t0);
1639
    
1640
    tcg_gen_discard_tl(cpu_cc_dst);
1641
    tcg_gen_movi_i32(cpu_cc_op, CC_OP_EFLAGS);
1642
        
1643
    gen_set_label(label2);
1644
    s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
1645

    
1646
    tcg_temp_free(t0);
1647
    tcg_temp_free(t1);
1648
    tcg_temp_free(t2);
1649
    tcg_temp_free(a0);
1650
}
1651

    
1652
static void gen_rot_rm_im(DisasContext *s, int ot, int op1, int op2,
1653
                          int is_right)
1654
{
1655
    int mask;
1656
    int data_bits;
1657
    TCGv t0, t1, a0;
1658

    
1659
    /* XXX: inefficient, but we must use local temps */
1660
    t0 = tcg_temp_local_new();
1661
    t1 = tcg_temp_local_new();
1662
    a0 = tcg_temp_local_new();
1663

    
1664
    if (ot == OT_QUAD)
1665
        mask = 0x3f;
1666
    else
1667
        mask = 0x1f;
1668

    
1669
    /* load */
1670
    if (op1 == OR_TMP0) {
1671
        tcg_gen_mov_tl(a0, cpu_A0);
1672
        gen_op_ld_v(ot + s->mem_index, t0, a0);
1673
    } else {
1674
        gen_op_mov_v_reg(ot, t0, op1);
1675
    }
1676

    
1677
    gen_extu(ot, t0);
1678
    tcg_gen_mov_tl(t1, t0);
1679

    
1680
    op2 &= mask;
1681
    data_bits = 8 << ot;
1682
    if (op2 != 0) {
1683
        int shift = op2 & ((1 << (3 + ot)) - 1);
1684
        if (is_right) {
1685
            tcg_gen_shri_tl(cpu_tmp4, t0, shift);
1686
            tcg_gen_shli_tl(t0, t0, data_bits - shift);
1687
        }
1688
        else {
1689
            tcg_gen_shli_tl(cpu_tmp4, t0, shift);
1690
            tcg_gen_shri_tl(t0, t0, data_bits - shift);
1691
        }
1692
        tcg_gen_or_tl(t0, t0, cpu_tmp4);
1693
    }
1694

    
1695
    /* store */
1696
    if (op1 == OR_TMP0) {
1697
        gen_op_st_v(ot + s->mem_index, t0, a0);
1698
    } else {
1699
        gen_op_mov_reg_v(ot, op1, t0);
1700
    }
1701

    
1702
    if (op2 != 0) {
1703
        /* update eflags */
1704
        if (s->cc_op != CC_OP_DYNAMIC)
1705
            gen_op_set_cc_op(s->cc_op);
1706

    
1707
        gen_compute_eflags(cpu_cc_src);
1708
        tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~(CC_O | CC_C));
1709
        tcg_gen_xor_tl(cpu_tmp0, t1, t0);
1710
        tcg_gen_lshift(cpu_tmp0, cpu_tmp0, 11 - (data_bits - 1));
1711
        tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, CC_O);
1712
        tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_tmp0);
1713
        if (is_right) {
1714
            tcg_gen_shri_tl(t0, t0, data_bits - 1);
1715
        }
1716
        tcg_gen_andi_tl(t0, t0, CC_C);
1717
        tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t0);
1718

    
1719
        tcg_gen_discard_tl(cpu_cc_dst);
1720
        tcg_gen_movi_i32(cpu_cc_op, CC_OP_EFLAGS);
1721
        s->cc_op = CC_OP_EFLAGS;
1722
    }
1723

    
1724
    tcg_temp_free(t0);
1725
    tcg_temp_free(t1);
1726
    tcg_temp_free(a0);
1727
}
1728

    
1729
/* XXX: add faster immediate = 1 case */
1730
static void gen_rotc_rm_T1(DisasContext *s, int ot, int op1, 
1731
                           int is_right)
1732
{
1733
    int label1;
1734

    
1735
    if (s->cc_op != CC_OP_DYNAMIC)
1736
        gen_op_set_cc_op(s->cc_op);
1737

    
1738
    /* load */
1739
    if (op1 == OR_TMP0)
1740
        gen_op_ld_T0_A0(ot + s->mem_index);
1741
    else
1742
        gen_op_mov_TN_reg(ot, 0, op1);
1743
    
1744
    if (is_right) {
1745
        switch (ot) {
1746
        case 0: gen_helper_rcrb(cpu_T[0], cpu_T[0], cpu_T[1]); break;
1747
        case 1: gen_helper_rcrw(cpu_T[0], cpu_T[0], cpu_T[1]); break;
1748
        case 2: gen_helper_rcrl(cpu_T[0], cpu_T[0], cpu_T[1]); break;
1749
#ifdef TARGET_X86_64
1750
        case 3: gen_helper_rcrq(cpu_T[0], cpu_T[0], cpu_T[1]); break;
1751
#endif
1752
        }
1753
    } else {
1754
        switch (ot) {
1755
        case 0: gen_helper_rclb(cpu_T[0], cpu_T[0], cpu_T[1]); break;
1756
        case 1: gen_helper_rclw(cpu_T[0], cpu_T[0], cpu_T[1]); break;
1757
        case 2: gen_helper_rcll(cpu_T[0], cpu_T[0], cpu_T[1]); break;
1758
#ifdef TARGET_X86_64
1759
        case 3: gen_helper_rclq(cpu_T[0], cpu_T[0], cpu_T[1]); break;
1760
#endif
1761
        }
1762
    }
1763
    /* store */
1764
    if (op1 == OR_TMP0)
1765
        gen_op_st_T0_A0(ot + s->mem_index);
1766
    else
1767
        gen_op_mov_reg_T0(ot, op1);
1768

    
1769
    /* update eflags */
1770
    label1 = gen_new_label();
1771
    tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_cc_tmp, -1, label1);
1772

    
1773
    tcg_gen_mov_tl(cpu_cc_src, cpu_cc_tmp);
1774
    tcg_gen_discard_tl(cpu_cc_dst);
1775
    tcg_gen_movi_i32(cpu_cc_op, CC_OP_EFLAGS);
1776
        
1777
    gen_set_label(label1);
1778
    s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
1779
}
1780

    
1781
/* XXX: add faster immediate case */
1782
static void gen_shiftd_rm_T1_T3(DisasContext *s, int ot, int op1, 
1783
                                int is_right)
1784
{
1785
    int label1, label2, data_bits;
1786
    target_ulong mask;
1787
    TCGv t0, t1, t2, a0;
1788

    
1789
    t0 = tcg_temp_local_new();
1790
    t1 = tcg_temp_local_new();
1791
    t2 = tcg_temp_local_new();
1792
    a0 = tcg_temp_local_new();
1793

    
1794
    if (ot == OT_QUAD)
1795
        mask = 0x3f;
1796
    else
1797
        mask = 0x1f;
1798

    
1799
    /* load */
1800
    if (op1 == OR_TMP0) {
1801
        tcg_gen_mov_tl(a0, cpu_A0);
1802
        gen_op_ld_v(ot + s->mem_index, t0, a0);
1803
    } else {
1804
        gen_op_mov_v_reg(ot, t0, op1);
1805
    }
1806

    
1807
    tcg_gen_andi_tl(cpu_T3, cpu_T3, mask);
1808

    
1809
    tcg_gen_mov_tl(t1, cpu_T[1]);
1810
    tcg_gen_mov_tl(t2, cpu_T3);
1811

    
1812
    /* Must test zero case to avoid using undefined behaviour in TCG
1813
       shifts. */
1814
    label1 = gen_new_label();
1815
    tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, label1);
1816
    
1817
    tcg_gen_addi_tl(cpu_tmp5, t2, -1);
1818
    if (ot == OT_WORD) {
1819
        /* Note: we implement the Intel behaviour for shift count > 16 */
1820
        if (is_right) {
1821
            tcg_gen_andi_tl(t0, t0, 0xffff);
1822
            tcg_gen_shli_tl(cpu_tmp0, t1, 16);
1823
            tcg_gen_or_tl(t0, t0, cpu_tmp0);
1824
            tcg_gen_ext32u_tl(t0, t0);
1825

    
1826
            tcg_gen_shr_tl(cpu_tmp4, t0, cpu_tmp5);
1827
            
1828
            /* only needed if count > 16, but a test would complicate */
1829
            tcg_gen_subfi_tl(cpu_tmp5, 32, t2);
1830
            tcg_gen_shl_tl(cpu_tmp0, t0, cpu_tmp5);
1831

    
1832
            tcg_gen_shr_tl(t0, t0, t2);
1833

    
1834
            tcg_gen_or_tl(t0, t0, cpu_tmp0);
1835
        } else {
1836
            /* XXX: not optimal */
1837
            tcg_gen_andi_tl(t0, t0, 0xffff);
1838
            tcg_gen_shli_tl(t1, t1, 16);
1839
            tcg_gen_or_tl(t1, t1, t0);
1840
            tcg_gen_ext32u_tl(t1, t1);
1841
            
1842
            tcg_gen_shl_tl(cpu_tmp4, t0, cpu_tmp5);
1843
            tcg_gen_subfi_tl(cpu_tmp0, 32, cpu_tmp5);
1844
            tcg_gen_shr_tl(cpu_tmp5, t1, cpu_tmp0);
1845
            tcg_gen_or_tl(cpu_tmp4, cpu_tmp4, cpu_tmp5);
1846

    
1847
            tcg_gen_shl_tl(t0, t0, t2);
1848
            tcg_gen_subfi_tl(cpu_tmp5, 32, t2);
1849
            tcg_gen_shr_tl(t1, t1, cpu_tmp5);
1850
            tcg_gen_or_tl(t0, t0, t1);
1851
        }
1852
    } else {
1853
        data_bits = 8 << ot;
1854
        if (is_right) {
1855
            if (ot == OT_LONG)
1856
                tcg_gen_ext32u_tl(t0, t0);
1857

    
1858
            tcg_gen_shr_tl(cpu_tmp4, t0, cpu_tmp5);
1859

    
1860
            tcg_gen_shr_tl(t0, t0, t2);
1861
            tcg_gen_subfi_tl(cpu_tmp5, data_bits, t2);
1862
            tcg_gen_shl_tl(t1, t1, cpu_tmp5);
1863
            tcg_gen_or_tl(t0, t0, t1);
1864
            
1865
        } else {
1866
            if (ot == OT_LONG)
1867
                tcg_gen_ext32u_tl(t1, t1);
1868

    
1869
            tcg_gen_shl_tl(cpu_tmp4, t0, cpu_tmp5);
1870
            
1871
            tcg_gen_shl_tl(t0, t0, t2);
1872
            tcg_gen_subfi_tl(cpu_tmp5, data_bits, t2);
1873
            tcg_gen_shr_tl(t1, t1, cpu_tmp5);
1874
            tcg_gen_or_tl(t0, t0, t1);
1875
        }
1876
    }
1877
    tcg_gen_mov_tl(t1, cpu_tmp4);
1878

    
1879
    gen_set_label(label1);
1880
    /* store */
1881
    if (op1 == OR_TMP0) {
1882
        gen_op_st_v(ot + s->mem_index, t0, a0);
1883
    } else {
1884
        gen_op_mov_reg_v(ot, op1, t0);
1885
    }
1886
    
1887
    /* update eflags */
1888
    if (s->cc_op != CC_OP_DYNAMIC)
1889
        gen_op_set_cc_op(s->cc_op);
1890

    
1891
    label2 = gen_new_label();
1892
    tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, label2);
1893

    
1894
    tcg_gen_mov_tl(cpu_cc_src, t1);
1895
    tcg_gen_mov_tl(cpu_cc_dst, t0);
1896
    if (is_right) {
1897
        tcg_gen_movi_i32(cpu_cc_op, CC_OP_SARB + ot);
1898
    } else {
1899
        tcg_gen_movi_i32(cpu_cc_op, CC_OP_SHLB + ot);
1900
    }
1901
    gen_set_label(label2);
1902
    s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
1903

    
1904
    tcg_temp_free(t0);
1905
    tcg_temp_free(t1);
1906
    tcg_temp_free(t2);
1907
    tcg_temp_free(a0);
1908
}
1909

    
1910
static void gen_shift(DisasContext *s1, int op, int ot, int d, int s)
1911
{
1912
    if (s != OR_TMP1)
1913
        gen_op_mov_TN_reg(ot, 1, s);
1914
    switch(op) {
1915
    case OP_ROL:
1916
        gen_rot_rm_T1(s1, ot, d, 0);
1917
        break;
1918
    case OP_ROR:
1919
        gen_rot_rm_T1(s1, ot, d, 1);
1920
        break;
1921
    case OP_SHL:
1922
    case OP_SHL1:
1923
        gen_shift_rm_T1(s1, ot, d, 0, 0);
1924
        break;
1925
    case OP_SHR:
1926
        gen_shift_rm_T1(s1, ot, d, 1, 0);
1927
        break;
1928
    case OP_SAR:
1929
        gen_shift_rm_T1(s1, ot, d, 1, 1);
1930
        break;
1931
    case OP_RCL:
1932
        gen_rotc_rm_T1(s1, ot, d, 0);
1933
        break;
1934
    case OP_RCR:
1935
        gen_rotc_rm_T1(s1, ot, d, 1);
1936
        break;
1937
    }
1938
}
1939

    
1940
static void gen_shifti(DisasContext *s1, int op, int ot, int d, int c)
1941
{
1942
    switch(op) {
1943
    case OP_ROL:
1944
        gen_rot_rm_im(s1, ot, d, c, 0);
1945
        break;
1946
    case OP_ROR:
1947
        gen_rot_rm_im(s1, ot, d, c, 1);
1948
        break;
1949
    case OP_SHL:
1950
    case OP_SHL1:
1951
        gen_shift_rm_im(s1, ot, d, c, 0, 0);
1952
        break;
1953
    case OP_SHR:
1954
        gen_shift_rm_im(s1, ot, d, c, 1, 0);
1955
        break;
1956
    case OP_SAR:
1957
        gen_shift_rm_im(s1, ot, d, c, 1, 1);
1958
        break;
1959
    default:
1960
        /* currently not optimized */
1961
        gen_op_movl_T1_im(c);
1962
        gen_shift(s1, op, ot, d, OR_TMP1);
1963
        break;
1964
    }
1965
}
1966

    
1967
static void gen_lea_modrm(DisasContext *s, int modrm, int *reg_ptr, int *offset_ptr)
1968
{
1969
    target_long disp;
1970
    int havesib;
1971
    int base;
1972
    int index;
1973
    int scale;
1974
    int opreg;
1975
    int mod, rm, code, override, must_add_seg;
1976

    
1977
    override = s->override;
1978
    must_add_seg = s->addseg;
1979
    if (override >= 0)
1980
        must_add_seg = 1;
1981
    mod = (modrm >> 6) & 3;
1982
    rm = modrm & 7;
1983

    
1984
    if (s->aflag) {
1985

    
1986
        havesib = 0;
1987
        base = rm;
1988
        index = 0;
1989
        scale = 0;
1990

    
1991
        if (base == 4) {
1992
            havesib = 1;
1993
            code = ldub_code(s->pc++);
1994
            scale = (code >> 6) & 3;
1995
            index = ((code >> 3) & 7) | REX_X(s);
1996
            base = (code & 7);
1997
        }
1998
        base |= REX_B(s);
1999

    
2000
        switch (mod) {
2001
        case 0:
2002
            if ((base & 7) == 5) {
2003
                base = -1;
2004
                disp = (int32_t)ldl_code(s->pc);
2005
                s->pc += 4;
2006
                if (CODE64(s) && !havesib) {
2007
                    disp += s->pc + s->rip_offset;
2008
                }
2009
            } else {
2010
                disp = 0;
2011
            }
2012
            break;
2013
        case 1:
2014
            disp = (int8_t)ldub_code(s->pc++);
2015
            break;
2016
        default:
2017
        case 2:
2018
            disp = ldl_code(s->pc);
2019
            s->pc += 4;
2020
            break;
2021
        }
2022

    
2023
        if (base >= 0) {
2024
            /* for correct popl handling with esp */
2025
            if (base == 4 && s->popl_esp_hack)
2026
                disp += s->popl_esp_hack;
2027
#ifdef TARGET_X86_64
2028
            if (s->aflag == 2) {
2029
                gen_op_movq_A0_reg(base);
2030
                if (disp != 0) {
2031
                    gen_op_addq_A0_im(disp);
2032
                }
2033
            } else
2034
#endif
2035
            {
2036
                gen_op_movl_A0_reg(base);
2037
                if (disp != 0)
2038
                    gen_op_addl_A0_im(disp);
2039
            }
2040
        } else {
2041
#ifdef TARGET_X86_64
2042
            if (s->aflag == 2) {
2043
                gen_op_movq_A0_im(disp);
2044
            } else
2045
#endif
2046
            {
2047
                gen_op_movl_A0_im(disp);
2048
            }
2049
        }
2050
        /* XXX: index == 4 is always invalid */
2051
        if (havesib && (index != 4 || scale != 0)) {
2052
#ifdef TARGET_X86_64
2053
            if (s->aflag == 2) {
2054
                gen_op_addq_A0_reg_sN(scale, index);
2055
            } else
2056
#endif
2057
            {
2058
                gen_op_addl_A0_reg_sN(scale, index);
2059
            }
2060
        }
2061
        if (must_add_seg) {
2062
            if (override < 0) {
2063
                if (base == R_EBP || base == R_ESP)
2064
                    override = R_SS;
2065
                else
2066
                    override = R_DS;
2067
            }
2068
#ifdef TARGET_X86_64
2069
            if (s->aflag == 2) {
2070
                gen_op_addq_A0_seg(override);
2071
            } else
2072
#endif
2073
            {
2074
                gen_op_addl_A0_seg(override);
2075
            }
2076
        }
2077
    } else {
2078
        switch (mod) {
2079
        case 0:
2080
            if (rm == 6) {
2081
                disp = lduw_code(s->pc);
2082
                s->pc += 2;
2083
                gen_op_movl_A0_im(disp);
2084
                rm = 0; /* avoid SS override */
2085
                goto no_rm;
2086
            } else {
2087
                disp = 0;
2088
            }
2089
            break;
2090
        case 1:
2091
            disp = (int8_t)ldub_code(s->pc++);
2092
            break;
2093
        default:
2094
        case 2:
2095
            disp = lduw_code(s->pc);
2096
            s->pc += 2;
2097
            break;
2098
        }
2099
        switch(rm) {
2100
        case 0:
2101
            gen_op_movl_A0_reg(R_EBX);
2102
            gen_op_addl_A0_reg_sN(0, R_ESI);
2103
            break;
2104
        case 1:
2105
            gen_op_movl_A0_reg(R_EBX);
2106
            gen_op_addl_A0_reg_sN(0, R_EDI);
2107
            break;
2108
        case 2:
2109
            gen_op_movl_A0_reg(R_EBP);
2110
            gen_op_addl_A0_reg_sN(0, R_ESI);
2111
            break;
2112
        case 3:
2113
            gen_op_movl_A0_reg(R_EBP);
2114
            gen_op_addl_A0_reg_sN(0, R_EDI);
2115
            break;
2116
        case 4:
2117
            gen_op_movl_A0_reg(R_ESI);
2118
            break;
2119
        case 5:
2120
            gen_op_movl_A0_reg(R_EDI);
2121
            break;
2122
        case 6:
2123
            gen_op_movl_A0_reg(R_EBP);
2124
            break;
2125
        default:
2126
        case 7:
2127
            gen_op_movl_A0_reg(R_EBX);
2128
            break;
2129
        }
2130
        if (disp != 0)
2131
            gen_op_addl_A0_im(disp);
2132
        gen_op_andl_A0_ffff();
2133
    no_rm:
2134
        if (must_add_seg) {
2135
            if (override < 0) {
2136
                if (rm == 2 || rm == 3 || rm == 6)
2137
                    override = R_SS;
2138
                else
2139
                    override = R_DS;
2140
            }
2141
            gen_op_addl_A0_seg(override);
2142
        }
2143
    }
2144

    
2145
    opreg = OR_A0;
2146
    disp = 0;
2147
    *reg_ptr = opreg;
2148
    *offset_ptr = disp;
2149
}
2150

    
2151
static void gen_nop_modrm(DisasContext *s, int modrm)
2152
{
2153
    int mod, rm, base, code;
2154

    
2155
    mod = (modrm >> 6) & 3;
2156
    if (mod == 3)
2157
        return;
2158
    rm = modrm & 7;
2159

    
2160
    if (s->aflag) {
2161

    
2162
        base = rm;
2163

    
2164
        if (base == 4) {
2165
            code = ldub_code(s->pc++);
2166
            base = (code & 7);
2167
        }
2168

    
2169
        switch (mod) {
2170
        case 0:
2171
            if (base == 5) {
2172
                s->pc += 4;
2173
            }
2174
            break;
2175
        case 1:
2176
            s->pc++;
2177
            break;
2178
        default:
2179
        case 2:
2180
            s->pc += 4;
2181
            break;
2182
        }
2183
    } else {
2184
        switch (mod) {
2185
        case 0:
2186
            if (rm == 6) {
2187
                s->pc += 2;
2188
            }
2189
            break;
2190
        case 1:
2191
            s->pc++;
2192
            break;
2193
        default:
2194
        case 2:
2195
            s->pc += 2;
2196
            break;
2197
        }
2198
    }
2199
}
2200

    
2201
/* used for LEA and MOV AX, mem */
2202
static void gen_add_A0_ds_seg(DisasContext *s)
2203
{
2204
    int override, must_add_seg;
2205
    must_add_seg = s->addseg;
2206
    override = R_DS;
2207
    if (s->override >= 0) {
2208
        override = s->override;
2209
        must_add_seg = 1;
2210
    }
2211
    if (must_add_seg) {
2212
#ifdef TARGET_X86_64
2213
        if (CODE64(s)) {
2214
            gen_op_addq_A0_seg(override);
2215
        } else
2216
#endif
2217
        {
2218
            gen_op_addl_A0_seg(override);
2219
        }
2220
    }
2221
}
2222

    
2223
/* generate modrm memory load or store of 'reg'. TMP0 is used if reg ==
2224
   OR_TMP0 */
2225
static void gen_ldst_modrm(DisasContext *s, int modrm, int ot, int reg, int is_store)
2226
{
2227
    int mod, rm, opreg, disp;
2228

    
2229
    mod = (modrm >> 6) & 3;
2230
    rm = (modrm & 7) | REX_B(s);
2231
    if (mod == 3) {
2232
        if (is_store) {
2233
            if (reg != OR_TMP0)
2234
                gen_op_mov_TN_reg(ot, 0, reg);
2235
            gen_op_mov_reg_T0(ot, rm);
2236
        } else {
2237
            gen_op_mov_TN_reg(ot, 0, rm);
2238
            if (reg != OR_TMP0)
2239
                gen_op_mov_reg_T0(ot, reg);
2240
        }
2241
    } else {
2242
        gen_lea_modrm(s, modrm, &opreg, &disp);
2243
        if (is_store) {
2244
            if (reg != OR_TMP0)
2245
                gen_op_mov_TN_reg(ot, 0, reg);
2246
            gen_op_st_T0_A0(ot + s->mem_index);
2247
        } else {
2248
            gen_op_ld_T0_A0(ot + s->mem_index);
2249
            if (reg != OR_TMP0)
2250
                gen_op_mov_reg_T0(ot, reg);
2251
        }
2252
    }
2253
}
2254

    
2255
static inline uint32_t insn_get(DisasContext *s, int ot)
2256
{
2257
    uint32_t ret;
2258

    
2259
    switch(ot) {
2260
    case OT_BYTE:
2261
        ret = ldub_code(s->pc);
2262
        s->pc++;
2263
        break;
2264
    case OT_WORD:
2265
        ret = lduw_code(s->pc);
2266
        s->pc += 2;
2267
        break;
2268
    default:
2269
    case OT_LONG:
2270
        ret = ldl_code(s->pc);
2271
        s->pc += 4;
2272
        break;
2273
    }
2274
    return ret;
2275
}
2276

    
2277
static inline int insn_const_size(unsigned int ot)
2278
{
2279
    if (ot <= OT_LONG)
2280
        return 1 << ot;
2281
    else
2282
        return 4;
2283
}
2284

    
2285
static inline void gen_goto_tb(DisasContext *s, int tb_num, target_ulong eip)
2286
{
2287
    TranslationBlock *tb;
2288
    target_ulong pc;
2289

    
2290
    pc = s->cs_base + eip;
2291
    tb = s->tb;
2292
    /* NOTE: we handle the case where the TB spans two pages here */
2293
    if ((pc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) ||
2294
        (pc & TARGET_PAGE_MASK) == ((s->pc - 1) & TARGET_PAGE_MASK))  {
2295
        /* jump to same page: we can use a direct jump */
2296
        tcg_gen_goto_tb(tb_num);
2297
        gen_jmp_im(eip);
2298
        tcg_gen_exit_tb((long)tb + tb_num);
2299
    } else {
2300
        /* jump to another page: currently not optimized */
2301
        gen_jmp_im(eip);
2302
        gen_eob(s);
2303
    }
2304
}
2305

    
2306
static inline void gen_jcc(DisasContext *s, int b,
2307
                           target_ulong val, target_ulong next_eip)
2308
{
2309
    int l1, l2, cc_op;
2310

    
2311
    cc_op = s->cc_op;
2312
    if (s->cc_op != CC_OP_DYNAMIC) {
2313
        gen_op_set_cc_op(s->cc_op);
2314
        s->cc_op = CC_OP_DYNAMIC;
2315
    }
2316
    if (s->jmp_opt) {
2317
        l1 = gen_new_label();
2318
        gen_jcc1(s, cc_op, b, l1);
2319
        
2320
        gen_goto_tb(s, 0, next_eip);
2321

    
2322
        gen_set_label(l1);
2323
        gen_goto_tb(s, 1, val);
2324
        s->is_jmp = 3;
2325
    } else {
2326

    
2327
        l1 = gen_new_label();
2328
        l2 = gen_new_label();
2329
        gen_jcc1(s, cc_op, b, l1);
2330

    
2331
        gen_jmp_im(next_eip);
2332
        tcg_gen_br(l2);
2333

    
2334
        gen_set_label(l1);
2335
        gen_jmp_im(val);
2336
        gen_set_label(l2);
2337
        gen_eob(s);
2338
    }
2339
}
2340

    
2341
static void gen_setcc(DisasContext *s, int b)
2342
{
2343
    int inv, jcc_op, l1;
2344
    TCGv t0;
2345

    
2346
    if (is_fast_jcc_case(s, b)) {
2347
        /* nominal case: we use a jump */
2348
        /* XXX: make it faster by adding new instructions in TCG */
2349
        t0 = tcg_temp_local_new();
2350
        tcg_gen_movi_tl(t0, 0);
2351
        l1 = gen_new_label();
2352
        gen_jcc1(s, s->cc_op, b ^ 1, l1);
2353
        tcg_gen_movi_tl(t0, 1);
2354
        gen_set_label(l1);
2355
        tcg_gen_mov_tl(cpu_T[0], t0);
2356
        tcg_temp_free(t0);
2357
    } else {
2358
        /* slow case: it is more efficient not to generate a jump,
2359
           although it is questionnable whether this optimization is
2360
           worth to */
2361
        inv = b & 1;
2362
        jcc_op = (b >> 1) & 7;
2363
        gen_setcc_slow_T0(s, jcc_op);
2364
        if (inv) {
2365
            tcg_gen_xori_tl(cpu_T[0], cpu_T[0], 1);
2366
        }
2367
    }
2368
}
2369

    
2370
static inline void gen_op_movl_T0_seg(int seg_reg)
2371
{
2372
    tcg_gen_ld32u_tl(cpu_T[0], cpu_env, 
2373
                     offsetof(CPUX86State,segs[seg_reg].selector));
2374
}
2375

    
2376
static inline void gen_op_movl_seg_T0_vm(int seg_reg)
2377
{
2378
    tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xffff);
2379
    tcg_gen_st32_tl(cpu_T[0], cpu_env, 
2380
                    offsetof(CPUX86State,segs[seg_reg].selector));
2381
    tcg_gen_shli_tl(cpu_T[0], cpu_T[0], 4);
2382
    tcg_gen_st_tl(cpu_T[0], cpu_env, 
2383
                  offsetof(CPUX86State,segs[seg_reg].base));
2384
}
2385

    
2386
/* move T0 to seg_reg and compute if the CPU state may change. Never
2387
   call this function with seg_reg == R_CS */
2388
static void gen_movl_seg_T0(DisasContext *s, int seg_reg, target_ulong cur_eip)
2389
{
2390
    if (s->pe && !s->vm86) {
2391
        /* XXX: optimize by finding processor state dynamically */
2392
        if (s->cc_op != CC_OP_DYNAMIC)
2393
            gen_op_set_cc_op(s->cc_op);
2394
        gen_jmp_im(cur_eip);
2395
        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
2396
        gen_helper_load_seg(tcg_const_i32(seg_reg), cpu_tmp2_i32);
2397
        /* abort translation because the addseg value may change or
2398
           because ss32 may change. For R_SS, translation must always
2399
           stop as a special handling must be done to disable hardware
2400
           interrupts for the next instruction */
2401
        if (seg_reg == R_SS || (s->code32 && seg_reg < R_FS))
2402
            s->is_jmp = 3;
2403
    } else {
2404
        gen_op_movl_seg_T0_vm(seg_reg);
2405
        if (seg_reg == R_SS)
2406
            s->is_jmp = 3;
2407
    }
2408
}
2409

    
2410
static inline int svm_is_rep(int prefixes)
2411
{
2412
    return ((prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) ? 8 : 0);
2413
}
2414

    
2415
static inline void
2416
gen_svm_check_intercept_param(DisasContext *s, target_ulong pc_start,
2417
                              uint32_t type, uint64_t param)
2418
{
2419
    /* no SVM activated; fast case */
2420
    if (likely(!(s->flags & HF_SVMI_MASK)))
2421
        return;
2422
    if (s->cc_op != CC_OP_DYNAMIC)
2423
        gen_op_set_cc_op(s->cc_op);
2424
    gen_jmp_im(pc_start - s->cs_base);
2425
    gen_helper_svm_check_intercept_param(tcg_const_i32(type),
2426
                                         tcg_const_i64(param));
2427
}
2428

    
2429
static inline void
2430
gen_svm_check_intercept(DisasContext *s, target_ulong pc_start, uint64_t type)
2431
{
2432
    gen_svm_check_intercept_param(s, pc_start, type, 0);
2433
}
2434

    
2435
static inline void gen_stack_update(DisasContext *s, int addend)
2436
{
2437
#ifdef TARGET_X86_64
2438
    if (CODE64(s)) {
2439
        gen_op_add_reg_im(2, R_ESP, addend);
2440
    } else
2441
#endif
2442
    if (s->ss32) {
2443
        gen_op_add_reg_im(1, R_ESP, addend);
2444
    } else {
2445
        gen_op_add_reg_im(0, R_ESP, addend);
2446
    }
2447
}
2448

    
2449
/* generate a push. It depends on ss32, addseg and dflag */
2450
static void gen_push_T0(DisasContext *s)
2451
{
2452
#ifdef TARGET_X86_64
2453
    if (CODE64(s)) {
2454
        gen_op_movq_A0_reg(R_ESP);
2455
        if (s->dflag) {
2456
            gen_op_addq_A0_im(-8);
2457
            gen_op_st_T0_A0(OT_QUAD + s->mem_index);
2458
        } else {
2459
            gen_op_addq_A0_im(-2);
2460
            gen_op_st_T0_A0(OT_WORD + s->mem_index);
2461
        }
2462
        gen_op_mov_reg_A0(2, R_ESP);
2463
    } else
2464
#endif
2465
    {
2466
        gen_op_movl_A0_reg(R_ESP);
2467
        if (!s->dflag)
2468
            gen_op_addl_A0_im(-2);
2469
        else
2470
            gen_op_addl_A0_im(-4);
2471
        if (s->ss32) {
2472
            if (s->addseg) {
2473
                tcg_gen_mov_tl(cpu_T[1], cpu_A0);
2474
                gen_op_addl_A0_seg(R_SS);
2475
            }
2476
        } else {
2477
            gen_op_andl_A0_ffff();
2478
            tcg_gen_mov_tl(cpu_T[1], cpu_A0);
2479
            gen_op_addl_A0_seg(R_SS);
2480
        }
2481
        gen_op_st_T0_A0(s->dflag + 1 + s->mem_index);
2482
        if (s->ss32 && !s->addseg)
2483
            gen_op_mov_reg_A0(1, R_ESP);
2484
        else
2485
            gen_op_mov_reg_T1(s->ss32 + 1, R_ESP);
2486
    }
2487
}
2488

    
2489
/* generate a push. It depends on ss32, addseg and dflag */
2490
/* slower version for T1, only used for call Ev */
2491
static void gen_push_T1(DisasContext *s)
2492
{
2493
#ifdef TARGET_X86_64
2494
    if (CODE64(s)) {
2495
        gen_op_movq_A0_reg(R_ESP);
2496
        if (s->dflag) {
2497
            gen_op_addq_A0_im(-8);
2498
            gen_op_st_T1_A0(OT_QUAD + s->mem_index);
2499
        } else {
2500
            gen_op_addq_A0_im(-2);
2501
            gen_op_st_T0_A0(OT_WORD + s->mem_index);
2502
        }
2503
        gen_op_mov_reg_A0(2, R_ESP);
2504
    } else
2505
#endif
2506
    {
2507
        gen_op_movl_A0_reg(R_ESP);
2508
        if (!s->dflag)
2509
            gen_op_addl_A0_im(-2);
2510
        else
2511
            gen_op_addl_A0_im(-4);
2512
        if (s->ss32) {
2513
            if (s->addseg) {
2514
                gen_op_addl_A0_seg(R_SS);
2515
            }
2516
        } else {
2517
            gen_op_andl_A0_ffff();
2518
            gen_op_addl_A0_seg(R_SS);
2519
        }
2520
        gen_op_st_T1_A0(s->dflag + 1 + s->mem_index);
2521

    
2522
        if (s->ss32 && !s->addseg)
2523
            gen_op_mov_reg_A0(1, R_ESP);
2524
        else
2525
            gen_stack_update(s, (-2) << s->dflag);
2526
    }
2527
}
2528

    
2529
/* two step pop is necessary for precise exceptions */
2530
static void gen_pop_T0(DisasContext *s)
2531
{
2532
#ifdef TARGET_X86_64
2533
    if (CODE64(s)) {
2534
        gen_op_movq_A0_reg(R_ESP);
2535
        gen_op_ld_T0_A0((s->dflag ? OT_QUAD : OT_WORD) + s->mem_index);
2536
    } else
2537
#endif
2538
    {
2539
        gen_op_movl_A0_reg(R_ESP);
2540
        if (s->ss32) {
2541
            if (s->addseg)
2542
                gen_op_addl_A0_seg(R_SS);
2543
        } else {
2544
            gen_op_andl_A0_ffff();
2545
            gen_op_addl_A0_seg(R_SS);
2546
        }
2547
        gen_op_ld_T0_A0(s->dflag + 1 + s->mem_index);
2548
    }
2549
}
2550

    
2551
static void gen_pop_update(DisasContext *s)
2552
{
2553
#ifdef TARGET_X86_64
2554
    if (CODE64(s) && s->dflag) {
2555
        gen_stack_update(s, 8);
2556
    } else
2557
#endif
2558
    {
2559
        gen_stack_update(s, 2 << s->dflag);
2560
    }
2561
}
2562

    
2563
static void gen_stack_A0(DisasContext *s)
2564
{
2565
    gen_op_movl_A0_reg(R_ESP);
2566
    if (!s->ss32)
2567
        gen_op_andl_A0_ffff();
2568
    tcg_gen_mov_tl(cpu_T[1], cpu_A0);
2569
    if (s->addseg)
2570
        gen_op_addl_A0_seg(R_SS);
2571
}
2572

    
2573
/* NOTE: wrap around in 16 bit not fully handled */
2574
static void gen_pusha(DisasContext *s)
2575
{
2576
    int i;
2577
    gen_op_movl_A0_reg(R_ESP);
2578
    gen_op_addl_A0_im(-16 <<  s->dflag);
2579
    if (!s->ss32)
2580
        gen_op_andl_A0_ffff();
2581
    tcg_gen_mov_tl(cpu_T[1], cpu_A0);
2582
    if (s->addseg)
2583
        gen_op_addl_A0_seg(R_SS);
2584
    for(i = 0;i < 8; i++) {
2585
        gen_op_mov_TN_reg(OT_LONG, 0, 7 - i);
2586
        gen_op_st_T0_A0(OT_WORD + s->dflag + s->mem_index);
2587
        gen_op_addl_A0_im(2 <<  s->dflag);
2588
    }
2589
    gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP);
2590
}
2591

    
2592
/* NOTE: wrap around in 16 bit not fully handled */
2593
static void gen_popa(DisasContext *s)
2594
{
2595
    int i;
2596
    gen_op_movl_A0_reg(R_ESP);
2597
    if (!s->ss32)
2598
        gen_op_andl_A0_ffff();
2599
    tcg_gen_mov_tl(cpu_T[1], cpu_A0);
2600
    tcg_gen_addi_tl(cpu_T[1], cpu_T[1], 16 <<  s->dflag);
2601
    if (s->addseg)
2602
        gen_op_addl_A0_seg(R_SS);
2603
    for(i = 0;i < 8; i++) {
2604
        /* ESP is not reloaded */
2605
        if (i != 3) {
2606
            gen_op_ld_T0_A0(OT_WORD + s->dflag + s->mem_index);
2607
            gen_op_mov_reg_T0(OT_WORD + s->dflag, 7 - i);
2608
        }
2609
        gen_op_addl_A0_im(2 <<  s->dflag);
2610
    }
2611
    gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP);
2612
}
2613

    
2614
static void gen_enter(DisasContext *s, int esp_addend, int level)
2615
{
2616
    int ot, opsize;
2617

    
2618
    level &= 0x1f;
2619
#ifdef TARGET_X86_64
2620
    if (CODE64(s)) {
2621
        ot = s->dflag ? OT_QUAD : OT_WORD;
2622
        opsize = 1 << ot;
2623

    
2624
        gen_op_movl_A0_reg(R_ESP);
2625
        gen_op_addq_A0_im(-opsize);
2626
        tcg_gen_mov_tl(cpu_T[1], cpu_A0);
2627

    
2628
        /* push bp */
2629
        gen_op_mov_TN_reg(OT_LONG, 0, R_EBP);
2630
        gen_op_st_T0_A0(ot + s->mem_index);
2631
        if (level) {
2632
            /* XXX: must save state */
2633
            gen_helper_enter64_level(tcg_const_i32(level),
2634
                                     tcg_const_i32((ot == OT_QUAD)),
2635
                                     cpu_T[1]);
2636
        }
2637
        gen_op_mov_reg_T1(ot, R_EBP);
2638
        tcg_gen_addi_tl(cpu_T[1], cpu_T[1], -esp_addend + (-opsize * level));
2639
        gen_op_mov_reg_T1(OT_QUAD, R_ESP);
2640
    } else
2641
#endif
2642
    {
2643
        ot = s->dflag + OT_WORD;
2644
        opsize = 2 << s->dflag;
2645

    
2646
        gen_op_movl_A0_reg(R_ESP);
2647
        gen_op_addl_A0_im(-opsize);
2648
        if (!s->ss32)
2649
            gen_op_andl_A0_ffff();
2650
        tcg_gen_mov_tl(cpu_T[1], cpu_A0);
2651
        if (s->addseg)
2652
            gen_op_addl_A0_seg(R_SS);
2653
        /* push bp */
2654
        gen_op_mov_TN_reg(OT_LONG, 0, R_EBP);
2655
        gen_op_st_T0_A0(ot + s->mem_index);
2656
        if (level) {
2657
            /* XXX: must save state */
2658
            gen_helper_enter_level(tcg_const_i32(level),
2659
                                   tcg_const_i32(s->dflag),
2660
                                   cpu_T[1]);
2661
        }
2662
        gen_op_mov_reg_T1(ot, R_EBP);
2663
        tcg_gen_addi_tl(cpu_T[1], cpu_T[1], -esp_addend + (-opsize * level));
2664
        gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP);
2665
    }
2666
}
2667

    
2668
static void gen_exception(DisasContext *s, int trapno, target_ulong cur_eip)
2669
{
2670
    if (s->cc_op != CC_OP_DYNAMIC)
2671
        gen_op_set_cc_op(s->cc_op);
2672
    gen_jmp_im(cur_eip);
2673
    gen_helper_raise_exception(tcg_const_i32(trapno));
2674
    s->is_jmp = 3;
2675
}
2676

    
2677
/* an interrupt is different from an exception because of the
2678
   privilege checks */
2679
static void gen_interrupt(DisasContext *s, int intno,
2680
                          target_ulong cur_eip, target_ulong next_eip)
2681
{
2682
    if (s->cc_op != CC_OP_DYNAMIC)
2683
        gen_op_set_cc_op(s->cc_op);
2684
    gen_jmp_im(cur_eip);
2685
    gen_helper_raise_interrupt(tcg_const_i32(intno), 
2686
                               tcg_const_i32(next_eip - cur_eip));
2687
    s->is_jmp = 3;
2688
}
2689

    
2690
static void gen_debug(DisasContext *s, target_ulong cur_eip)
2691
{
2692
    if (s->cc_op != CC_OP_DYNAMIC)
2693
        gen_op_set_cc_op(s->cc_op);
2694
    gen_jmp_im(cur_eip);
2695
    gen_helper_debug();
2696
    s->is_jmp = 3;
2697
}
2698

    
2699
/* generate a generic end of block. Trace exception is also generated
2700
   if needed */
2701
static void gen_eob(DisasContext *s)
2702
{
2703
    if (s->cc_op != CC_OP_DYNAMIC)
2704
        gen_op_set_cc_op(s->cc_op);
2705
    if (s->tb->flags & HF_INHIBIT_IRQ_MASK) {
2706
        gen_helper_reset_inhibit_irq();
2707
    }
2708
    if (s->tb->flags & HF_RF_MASK) {
2709
        gen_helper_reset_rf();
2710
    }
2711
    if (s->singlestep_enabled) {
2712
        gen_helper_debug();
2713
    } else if (s->tf) {
2714
        gen_helper_single_step();
2715
    } else {
2716
        tcg_gen_exit_tb(0);
2717
    }
2718
    s->is_jmp = 3;
2719
}
2720

    
2721
/* generate a jump to eip. No segment change must happen before as a
2722
   direct call to the next block may occur */
2723
static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num)
2724
{
2725
    if (s->jmp_opt) {
2726
        if (s->cc_op != CC_OP_DYNAMIC) {
2727
            gen_op_set_cc_op(s->cc_op);
2728
            s->cc_op = CC_OP_DYNAMIC;
2729
        }
2730
        gen_goto_tb(s, tb_num, eip);
2731
        s->is_jmp = 3;
2732
    } else {
2733
        gen_jmp_im(eip);
2734
        gen_eob(s);
2735
    }
2736
}
2737

    
2738
static void gen_jmp(DisasContext *s, target_ulong eip)
2739
{
2740
    gen_jmp_tb(s, eip, 0);
2741
}
2742

    
2743
static inline void gen_ldq_env_A0(int idx, int offset)
2744
{
2745
    int mem_index = (idx >> 2) - 1;
2746
    tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, mem_index);
2747
    tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset);
2748
}
2749

    
2750
static inline void gen_stq_env_A0(int idx, int offset)
2751
{
2752
    int mem_index = (idx >> 2) - 1;
2753
    tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset);
2754
    tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, mem_index);
2755
}
2756

    
2757
static inline void gen_ldo_env_A0(int idx, int offset)
2758
{
2759
    int mem_index = (idx >> 2) - 1;
2760
    tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, mem_index);
2761
    tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(0)));
2762
    tcg_gen_addi_tl(cpu_tmp0, cpu_A0, 8);
2763
    tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_tmp0, mem_index);
2764
    tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(1)));
2765
}
2766

    
2767
static inline void gen_sto_env_A0(int idx, int offset)
2768
{
2769
    int mem_index = (idx >> 2) - 1;
2770
    tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(0)));
2771
    tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, mem_index);
2772
    tcg_gen_addi_tl(cpu_tmp0, cpu_A0, 8);
2773
    tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(1)));
2774
    tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_tmp0, mem_index);
2775
}
2776

    
2777
static inline void gen_op_movo(int d_offset, int s_offset)
2778
{
2779
    tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset);
2780
    tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset);
2781
    tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset + 8);
2782
    tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset + 8);
2783
}
2784

    
2785
static inline void gen_op_movq(int d_offset, int s_offset)
2786
{
2787
    tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset);
2788
    tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset);
2789
}
2790

    
2791
static inline void gen_op_movl(int d_offset, int s_offset)
2792
{
2793
    tcg_gen_ld_i32(cpu_tmp2_i32, cpu_env, s_offset);
2794
    tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, d_offset);
2795
}
2796

    
2797
static inline void gen_op_movq_env_0(int d_offset)
2798
{
2799
    tcg_gen_movi_i64(cpu_tmp1_i64, 0);
2800
    tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset);
2801
}
2802

    
2803
#define SSE_SPECIAL ((void *)1)
2804
#define SSE_DUMMY ((void *)2)
2805

    
2806
#define MMX_OP2(x) { gen_helper_ ## x ## _mmx, gen_helper_ ## x ## _xmm }
2807
#define SSE_FOP(x) { gen_helper_ ## x ## ps, gen_helper_ ## x ## pd, \
2808
                     gen_helper_ ## x ## ss, gen_helper_ ## x ## sd, }
2809

    
2810
static void *sse_op_table1[256][4] = {
2811
    /* 3DNow! extensions */
2812
    [0x0e] = { SSE_DUMMY }, /* femms */
2813
    [0x0f] = { SSE_DUMMY }, /* pf... */
2814
    /* pure SSE operations */
2815
    [0x10] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */
2816
    [0x11] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */
2817
    [0x12] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd, movsldup, movddup */
2818
    [0x13] = { SSE_SPECIAL, SSE_SPECIAL },  /* movlps, movlpd */
2819
    [0x14] = { gen_helper_punpckldq_xmm, gen_helper_punpcklqdq_xmm },
2820
    [0x15] = { gen_helper_punpckhdq_xmm, gen_helper_punpckhqdq_xmm },
2821
    [0x16] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL },  /* movhps, movhpd, movshdup */
2822
    [0x17] = { SSE_SPECIAL, SSE_SPECIAL },  /* movhps, movhpd */
2823

    
2824
    [0x28] = { SSE_SPECIAL, SSE_SPECIAL },  /* movaps, movapd */
2825
    [0x29] = { SSE_SPECIAL, SSE_SPECIAL },  /* movaps, movapd */
2826
    [0x2a] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtpi2ps, cvtpi2pd, cvtsi2ss, cvtsi2sd */
2827
    [0x2b] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movntps, movntpd, movntss, movntsd */
2828
    [0x2c] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvttps2pi, cvttpd2pi, cvttsd2si, cvttss2si */
2829
    [0x2d] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtps2pi, cvtpd2pi, cvtsd2si, cvtss2si */
2830
    [0x2e] = { gen_helper_ucomiss, gen_helper_ucomisd },
2831
    [0x2f] = { gen_helper_comiss, gen_helper_comisd },
2832
    [0x50] = { SSE_SPECIAL, SSE_SPECIAL }, /* movmskps, movmskpd */
2833
    [0x51] = SSE_FOP(sqrt),
2834
    [0x52] = { gen_helper_rsqrtps, NULL, gen_helper_rsqrtss, NULL },
2835
    [0x53] = { gen_helper_rcpps, NULL, gen_helper_rcpss, NULL },
2836
    [0x54] = { gen_helper_pand_xmm, gen_helper_pand_xmm }, /* andps, andpd */
2837
    [0x55] = { gen_helper_pandn_xmm, gen_helper_pandn_xmm }, /* andnps, andnpd */
2838
    [0x56] = { gen_helper_por_xmm, gen_helper_por_xmm }, /* orps, orpd */
2839
    [0x57] = { gen_helper_pxor_xmm, gen_helper_pxor_xmm }, /* xorps, xorpd */
2840
    [0x58] = SSE_FOP(add),
2841
    [0x59] = SSE_FOP(mul),
2842
    [0x5a] = { gen_helper_cvtps2pd, gen_helper_cvtpd2ps,
2843
               gen_helper_cvtss2sd, gen_helper_cvtsd2ss },
2844
    [0x5b] = { gen_helper_cvtdq2ps, gen_helper_cvtps2dq, gen_helper_cvttps2dq },
2845
    [0x5c] = SSE_FOP(sub),
2846
    [0x5d] = SSE_FOP(min),
2847
    [0x5e] = SSE_FOP(div),
2848
    [0x5f] = SSE_FOP(max),
2849

    
2850
    [0xc2] = SSE_FOP(cmpeq),
2851
    [0xc6] = { gen_helper_shufps, gen_helper_shufpd },
2852

    
2853
    [0x38] = { SSE_SPECIAL, SSE_SPECIAL, NULL, SSE_SPECIAL }, /* SSSE3/SSE4 */
2854
    [0x3a] = { SSE_SPECIAL, SSE_SPECIAL }, /* SSSE3/SSE4 */
2855

    
2856
    /* MMX ops and their SSE extensions */
2857
    [0x60] = MMX_OP2(punpcklbw),
2858
    [0x61] = MMX_OP2(punpcklwd),
2859
    [0x62] = MMX_OP2(punpckldq),
2860
    [0x63] = MMX_OP2(packsswb),
2861
    [0x64] = MMX_OP2(pcmpgtb),
2862
    [0x65] = MMX_OP2(pcmpgtw),
2863
    [0x66] = MMX_OP2(pcmpgtl),
2864
    [0x67] = MMX_OP2(packuswb),
2865
    [0x68] = MMX_OP2(punpckhbw),
2866
    [0x69] = MMX_OP2(punpckhwd),
2867
    [0x6a] = MMX_OP2(punpckhdq),
2868
    [0x6b] = MMX_OP2(packssdw),
2869
    [0x6c] = { NULL, gen_helper_punpcklqdq_xmm },
2870
    [0x6d] = { NULL, gen_helper_punpckhqdq_xmm },
2871
    [0x6e] = { SSE_SPECIAL, SSE_SPECIAL }, /* movd mm, ea */
2872
    [0x6f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, , movqdu */
2873
    [0x70] = { gen_helper_pshufw_mmx,
2874
               gen_helper_pshufd_xmm,
2875
               gen_helper_pshufhw_xmm,
2876
               gen_helper_pshuflw_xmm },
2877
    [0x71] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftw */
2878
    [0x72] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftd */
2879
    [0x73] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftq */
2880
    [0x74] = MMX_OP2(pcmpeqb),
2881
    [0x75] = MMX_OP2(pcmpeqw),
2882
    [0x76] = MMX_OP2(pcmpeql),
2883
    [0x77] = { SSE_DUMMY }, /* emms */
2884
    [0x78] = { NULL, SSE_SPECIAL, NULL, SSE_SPECIAL }, /* extrq_i, insertq_i */
2885
    [0x79] = { NULL, gen_helper_extrq_r, NULL, gen_helper_insertq_r },
2886
    [0x7c] = { NULL, gen_helper_haddpd, NULL, gen_helper_haddps },
2887
    [0x7d] = { NULL, gen_helper_hsubpd, NULL, gen_helper_hsubps },
2888
    [0x7e] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movd, movd, , movq */
2889
    [0x7f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, movdqu */
2890
    [0xc4] = { SSE_SPECIAL, SSE_SPECIAL }, /* pinsrw */
2891
    [0xc5] = { SSE_SPECIAL, SSE_SPECIAL }, /* pextrw */
2892
    [0xd0] = { NULL, gen_helper_addsubpd, NULL, gen_helper_addsubps },
2893
    [0xd1] = MMX_OP2(psrlw),
2894
    [0xd2] = MMX_OP2(psrld),
2895
    [0xd3] = MMX_OP2(psrlq),
2896
    [0xd4] = MMX_OP2(paddq),
2897
    [0xd5] = MMX_OP2(pmullw),
2898
    [0xd6] = { NULL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL },
2899
    [0xd7] = { SSE_SPECIAL, SSE_SPECIAL }, /* pmovmskb */
2900
    [0xd8] = MMX_OP2(psubusb),
2901
    [0xd9] = MMX_OP2(psubusw),
2902
    [0xda] = MMX_OP2(pminub),
2903
    [0xdb] = MMX_OP2(pand),
2904
    [0xdc] = MMX_OP2(paddusb),
2905
    [0xdd] = MMX_OP2(paddusw),
2906
    [0xde] = MMX_OP2(pmaxub),
2907
    [0xdf] = MMX_OP2(pandn),
2908
    [0xe0] = MMX_OP2(pavgb),
2909
    [0xe1] = MMX_OP2(psraw),
2910
    [0xe2] = MMX_OP2(psrad),
2911
    [0xe3] = MMX_OP2(pavgw),
2912
    [0xe4] = MMX_OP2(pmulhuw),
2913
    [0xe5] = MMX_OP2(pmulhw),
2914
    [0xe6] = { NULL, gen_helper_cvttpd2dq, gen_helper_cvtdq2pd, gen_helper_cvtpd2dq },
2915
    [0xe7] = { SSE_SPECIAL , SSE_SPECIAL },  /* movntq, movntq */
2916
    [0xe8] = MMX_OP2(psubsb),
2917
    [0xe9] = MMX_OP2(psubsw),
2918
    [0xea] = MMX_OP2(pminsw),
2919
    [0xeb] = MMX_OP2(por),
2920
    [0xec] = MMX_OP2(paddsb),
2921
    [0xed] = MMX_OP2(paddsw),
2922
    [0xee] = MMX_OP2(pmaxsw),
2923
    [0xef] = MMX_OP2(pxor),
2924
    [0xf0] = { NULL, NULL, NULL, SSE_SPECIAL }, /* lddqu */
2925
    [0xf1] = MMX_OP2(psllw),
2926
    [0xf2] = MMX_OP2(pslld),
2927
    [0xf3] = MMX_OP2(psllq),
2928
    [0xf4] = MMX_OP2(pmuludq),
2929
    [0xf5] = MMX_OP2(pmaddwd),
2930
    [0xf6] = MMX_OP2(psadbw),
2931
    [0xf7] = MMX_OP2(maskmov),
2932
    [0xf8] = MMX_OP2(psubb),
2933
    [0xf9] = MMX_OP2(psubw),
2934
    [0xfa] = MMX_OP2(psubl),
2935
    [0xfb] = MMX_OP2(psubq),
2936
    [0xfc] = MMX_OP2(paddb),
2937
    [0xfd] = MMX_OP2(paddw),
2938
    [0xfe] = MMX_OP2(paddl),
2939
};
2940

    
2941
static void *sse_op_table2[3 * 8][2] = {
2942
    [0 + 2] = MMX_OP2(psrlw),
2943
    [0 + 4] = MMX_OP2(psraw),
2944
    [0 + 6] = MMX_OP2(psllw),
2945
    [8 + 2] = MMX_OP2(psrld),
2946
    [8 + 4] = MMX_OP2(psrad),
2947
    [8 + 6] = MMX_OP2(pslld),
2948
    [16 + 2] = MMX_OP2(psrlq),
2949
    [16 + 3] = { NULL, gen_helper_psrldq_xmm },
2950
    [16 + 6] = MMX_OP2(psllq),
2951
    [16 + 7] = { NULL, gen_helper_pslldq_xmm },
2952
};
2953

    
2954
static void *sse_op_table3[4 * 3] = {
2955
    gen_helper_cvtsi2ss,
2956
    gen_helper_cvtsi2sd,
2957
    X86_64_ONLY(gen_helper_cvtsq2ss),
2958
    X86_64_ONLY(gen_helper_cvtsq2sd),
2959

    
2960
    gen_helper_cvttss2si,
2961
    gen_helper_cvttsd2si,
2962
    X86_64_ONLY(gen_helper_cvttss2sq),
2963
    X86_64_ONLY(gen_helper_cvttsd2sq),
2964

    
2965
    gen_helper_cvtss2si,
2966
    gen_helper_cvtsd2si,
2967
    X86_64_ONLY(gen_helper_cvtss2sq),
2968
    X86_64_ONLY(gen_helper_cvtsd2sq),
2969
};
2970

    
2971
static void *sse_op_table4[8][4] = {
2972
    SSE_FOP(cmpeq),
2973
    SSE_FOP(cmplt),
2974
    SSE_FOP(cmple),
2975
    SSE_FOP(cmpunord),
2976
    SSE_FOP(cmpneq),
2977
    SSE_FOP(cmpnlt),
2978
    SSE_FOP(cmpnle),
2979
    SSE_FOP(cmpord),
2980
};
2981

    
2982
static void *sse_op_table5[256] = {
2983
    [0x0c] = gen_helper_pi2fw,
2984
    [0x0d] = gen_helper_pi2fd,
2985
    [0x1c] = gen_helper_pf2iw,
2986
    [0x1d] = gen_helper_pf2id,
2987
    [0x8a] = gen_helper_pfnacc,
2988
    [0x8e] = gen_helper_pfpnacc,
2989
    [0x90] = gen_helper_pfcmpge,
2990
    [0x94] = gen_helper_pfmin,
2991
    [0x96] = gen_helper_pfrcp,
2992
    [0x97] = gen_helper_pfrsqrt,
2993
    [0x9a] = gen_helper_pfsub,
2994
    [0x9e] = gen_helper_pfadd,
2995
    [0xa0] = gen_helper_pfcmpgt,
2996
    [0xa4] = gen_helper_pfmax,
2997
    [0xa6] = gen_helper_movq, /* pfrcpit1; no need to actually increase precision */
2998
    [0xa7] = gen_helper_movq, /* pfrsqit1 */
2999
    [0xaa] = gen_helper_pfsubr,
3000
    [0xae] = gen_helper_pfacc,
3001
    [0xb0] = gen_helper_pfcmpeq,
3002
    [0xb4] = gen_helper_pfmul,
3003
    [0xb6] = gen_helper_movq, /* pfrcpit2 */
3004
    [0xb7] = gen_helper_pmulhrw_mmx,
3005
    [0xbb] = gen_helper_pswapd,
3006
    [0xbf] = gen_helper_pavgb_mmx /* pavgusb */
3007
};
3008

    
3009
struct sse_op_helper_s {
3010
    void *op[2]; uint32_t ext_mask;
3011
};
3012
#define SSSE3_OP(x) { MMX_OP2(x), CPUID_EXT_SSSE3 }
3013
#define SSE41_OP(x) { { NULL, gen_helper_ ## x ## _xmm }, CPUID_EXT_SSE41 }
3014
#define SSE42_OP(x) { { NULL, gen_helper_ ## x ## _xmm }, CPUID_EXT_SSE42 }
3015
#define SSE41_SPECIAL { { NULL, SSE_SPECIAL }, CPUID_EXT_SSE41 }
3016
static struct sse_op_helper_s sse_op_table6[256] = {
3017
    [0x00] = SSSE3_OP(pshufb),
3018
    [0x01] = SSSE3_OP(phaddw),
3019
    [0x02] = SSSE3_OP(phaddd),
3020
    [0x03] = SSSE3_OP(phaddsw),
3021
    [0x04] = SSSE3_OP(pmaddubsw),
3022
    [0x05] = SSSE3_OP(phsubw),
3023
    [0x06] = SSSE3_OP(phsubd),
3024
    [0x07] = SSSE3_OP(phsubsw),
3025
    [0x08] = SSSE3_OP(psignb),
3026
    [0x09] = SSSE3_OP(psignw),
3027
    [0x0a] = SSSE3_OP(psignd),
3028
    [0x0b] = SSSE3_OP(pmulhrsw),
3029
    [0x10] = SSE41_OP(pblendvb),
3030
    [0x14] = SSE41_OP(blendvps),
3031
    [0x15] = SSE41_OP(blendvpd),
3032
    [0x17] = SSE41_OP(ptest),
3033
    [0x1c] = SSSE3_OP(pabsb),
3034
    [0x1d] = SSSE3_OP(pabsw),
3035
    [0x1e] = SSSE3_OP(pabsd),
3036
    [0x20] = SSE41_OP(pmovsxbw),
3037
    [0x21] = SSE41_OP(pmovsxbd),
3038
    [0x22] = SSE41_OP(pmovsxbq),
3039
    [0x23] = SSE41_OP(pmovsxwd),
3040
    [0x24] = SSE41_OP(pmovsxwq),
3041
    [0x25] = SSE41_OP(pmovsxdq),
3042
    [0x28] = SSE41_OP(pmuldq),
3043
    [0x29] = SSE41_OP(pcmpeqq),
3044
    [0x2a] = SSE41_SPECIAL, /* movntqda */
3045
    [0x2b] = SSE41_OP(packusdw),
3046
    [0x30] = SSE41_OP(pmovzxbw),
3047
    [0x31] = SSE41_OP(pmovzxbd),
3048
    [0x32] = SSE41_OP(pmovzxbq),
3049
    [0x33] = SSE41_OP(pmovzxwd),
3050
    [0x34] = SSE41_OP(pmovzxwq),
3051
    [0x35] = SSE41_OP(pmovzxdq),
3052
    [0x37] = SSE42_OP(pcmpgtq),
3053
    [0x38] = SSE41_OP(pminsb),
3054
    [0x39] = SSE41_OP(pminsd),
3055
    [0x3a] = SSE41_OP(pminuw),
3056
    [0x3b] = SSE41_OP(pminud),
3057
    [0x3c] = SSE41_OP(pmaxsb),
3058
    [0x3d] = SSE41_OP(pmaxsd),
3059
    [0x3e] = SSE41_OP(pmaxuw),
3060
    [0x3f] = SSE41_OP(pmaxud),
3061
    [0x40] = SSE41_OP(pmulld),
3062
    [0x41] = SSE41_OP(phminposuw),
3063
};
3064

    
3065
static struct sse_op_helper_s sse_op_table7[256] = {
3066
    [0x08] = SSE41_OP(roundps),
3067
    [0x09] = SSE41_OP(roundpd),
3068
    [0x0a] = SSE41_OP(roundss),
3069
    [0x0b] = SSE41_OP(roundsd),
3070
    [0x0c] = SSE41_OP(blendps),
3071
    [0x0d] = SSE41_OP(blendpd),
3072
    [0x0e] = SSE41_OP(pblendw),
3073
    [0x0f] = SSSE3_OP(palignr),
3074
    [0x14] = SSE41_SPECIAL, /* pextrb */
3075
    [0x15] = SSE41_SPECIAL, /* pextrw */
3076
    [0x16] = SSE41_SPECIAL, /* pextrd/pextrq */
3077
    [0x17] = SSE41_SPECIAL, /* extractps */
3078
    [0x20] = SSE41_SPECIAL, /* pinsrb */
3079
    [0x21] = SSE41_SPECIAL, /* insertps */
3080
    [0x22] = SSE41_SPECIAL, /* pinsrd/pinsrq */
3081
    [0x40] = SSE41_OP(dpps),
3082
    [0x41] = SSE41_OP(dppd),
3083
    [0x42] = SSE41_OP(mpsadbw),
3084
    [0x60] = SSE42_OP(pcmpestrm),
3085
    [0x61] = SSE42_OP(pcmpestri),
3086
    [0x62] = SSE42_OP(pcmpistrm),
3087
    [0x63] = SSE42_OP(pcmpistri),
3088
};
3089

    
3090
static void gen_sse(DisasContext *s, int b, target_ulong pc_start, int rex_r)
3091
{
3092
    int b1, op1_offset, op2_offset, is_xmm, val, ot;
3093
    int modrm, mod, rm, reg, reg_addr, offset_addr;
3094
    void *sse_op2;
3095

    
3096
    b &= 0xff;
3097
    if (s->prefix & PREFIX_DATA)
3098
        b1 = 1;
3099
    else if (s->prefix & PREFIX_REPZ)
3100
        b1 = 2;
3101
    else if (s->prefix & PREFIX_REPNZ)
3102
        b1 = 3;
3103
    else
3104
        b1 = 0;
3105
    sse_op2 = sse_op_table1[b][b1];
3106
    if (!sse_op2)
3107
        goto illegal_op;
3108
    if ((b <= 0x5f && b >= 0x10) || b == 0xc6 || b == 0xc2) {
3109
        is_xmm = 1;
3110
    } else {
3111
        if (b1 == 0) {
3112
            /* MMX case */
3113
            is_xmm = 0;
3114
        } else {
3115
            is_xmm = 1;
3116
        }
3117
    }
3118
    /* simple MMX/SSE operation */
3119
    if (s->flags & HF_TS_MASK) {
3120
        gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
3121
        return;
3122
    }
3123
    if (s->flags & HF_EM_MASK) {
3124
    illegal_op:
3125
        gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base);
3126
        return;
3127
    }
3128
    if (is_xmm && !(s->flags & HF_OSFXSR_MASK))
3129
        if ((b != 0x38 && b != 0x3a) || (s->prefix & PREFIX_DATA))
3130
            goto illegal_op;
3131
    if (b == 0x0e) {
3132
        if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW))
3133
            goto illegal_op;
3134
        /* femms */
3135
        gen_helper_emms();
3136
        return;
3137
    }
3138
    if (b == 0x77) {
3139
        /* emms */
3140
        gen_helper_emms();
3141
        return;
3142
    }
3143
    /* prepare MMX state (XXX: optimize by storing fptt and fptags in
3144
       the static cpu state) */
3145
    if (!is_xmm) {
3146
        gen_helper_enter_mmx();
3147
    }
3148

    
3149
    modrm = ldub_code(s->pc++);
3150
    reg = ((modrm >> 3) & 7);
3151
    if (is_xmm)
3152
        reg |= rex_r;
3153
    mod = (modrm >> 6) & 3;
3154
    if (sse_op2 == SSE_SPECIAL) {
3155
        b |= (b1 << 8);
3156
        switch(b) {
3157
        case 0x0e7: /* movntq */
3158
            if (mod == 3)
3159
                goto illegal_op;
3160
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3161
            gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx));
3162
            break;
3163
        case 0x1e7: /* movntdq */
3164
        case 0x02b: /* movntps */
3165
        case 0x12b: /* movntps */
3166
        case 0x3f0: /* lddqu */
3167
            if (mod == 3)
3168
                goto illegal_op;
3169
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3170
            gen_sto_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
3171
            break;
3172
        case 0x22b: /* movntss */
3173
        case 0x32b: /* movntsd */
3174
            if (mod == 3)
3175
                goto illegal_op;
3176
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3177
            if (b1 & 1) {
3178
                gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,
3179
                    xmm_regs[reg]));
3180
            } else {
3181
                tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,
3182
                    xmm_regs[reg].XMM_L(0)));
3183
                gen_op_st_T0_A0(OT_LONG + s->mem_index);
3184
            }
3185
            break;
3186
        case 0x6e: /* movd mm, ea */
3187
#ifdef TARGET_X86_64
3188
            if (s->dflag == 2) {
3189
                gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0);
3190
                tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,fpregs[reg].mmx));
3191
            } else
3192
#endif
3193
            {
3194
                gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0);
3195
                tcg_gen_addi_ptr(cpu_ptr0, cpu_env, 
3196
                                 offsetof(CPUX86State,fpregs[reg].mmx));
3197
                tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
3198
                gen_helper_movl_mm_T0_mmx(cpu_ptr0, cpu_tmp2_i32);
3199
            }
3200
            break;
3201
        case 0x16e: /* movd xmm, ea */
3202
#ifdef TARGET_X86_64
3203
            if (s->dflag == 2) {
3204
                gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0);
3205
                tcg_gen_addi_ptr(cpu_ptr0, cpu_env, 
3206
                                 offsetof(CPUX86State,xmm_regs[reg]));
3207
                gen_helper_movq_mm_T0_xmm(cpu_ptr0, cpu_T[0]);
3208
            } else
3209
#endif
3210
            {
3211
                gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0);
3212
                tcg_gen_addi_ptr(cpu_ptr0, cpu_env, 
3213
                                 offsetof(CPUX86State,xmm_regs[reg]));
3214
                tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
3215
                gen_helper_movl_mm_T0_xmm(cpu_ptr0, cpu_tmp2_i32);
3216
            }
3217
            break;
3218
        case 0x6f: /* movq mm, ea */
3219
            if (mod != 3) {
3220
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3221
                gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx));
3222
            } else {
3223
                rm = (modrm & 7);
3224
                tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env,
3225
                               offsetof(CPUX86State,fpregs[rm].mmx));
3226
                tcg_gen_st_i64(cpu_tmp1_i64, cpu_env,
3227
                               offsetof(CPUX86State,fpregs[reg].mmx));
3228
            }
3229
            break;
3230
        case 0x010: /* movups */
3231
        case 0x110: /* movupd */
3232
        case 0x028: /* movaps */
3233
        case 0x128: /* movapd */
3234
        case 0x16f: /* movdqa xmm, ea */
3235
        case 0x26f: /* movdqu xmm, ea */
3236
            if (mod != 3) {
3237
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3238
                gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
3239
            } else {
3240
                rm = (modrm & 7) | REX_B(s);
3241
                gen_op_movo(offsetof(CPUX86State,xmm_regs[reg]),
3242
                            offsetof(CPUX86State,xmm_regs[rm]));
3243
            }
3244
            break;
3245
        case 0x210: /* movss xmm, ea */
3246
            if (mod != 3) {
3247
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3248
                gen_op_ld_T0_A0(OT_LONG + s->mem_index);
3249
                tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
3250
                gen_op_movl_T0_0();
3251
                tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)));
3252
                tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)));
3253
                tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)));
3254
            } else {
3255
                rm = (modrm & 7) | REX_B(s);
3256
                gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)),
3257
                            offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)));
3258
            }
3259
            break;
3260
        case 0x310: /* movsd xmm, ea */
3261
            if (mod != 3) {
3262
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3263
                gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
3264
                gen_op_movl_T0_0();
3265
                tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)));
3266
                tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)));
3267
            } else {
3268
                rm = (modrm & 7) | REX_B(s);
3269
                gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
3270
                            offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
3271
            }
3272
            break;
3273
        case 0x012: /* movlps */
3274
        case 0x112: /* movlpd */
3275
            if (mod != 3) {
3276
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3277
                gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
3278
            } else {
3279
                /* movhlps */
3280
                rm = (modrm & 7) | REX_B(s);
3281
                gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
3282
                            offsetof(CPUX86State,xmm_regs[rm].XMM_Q(1)));
3283
            }
3284
            break;
3285
        case 0x212: /* movsldup */
3286
            if (mod != 3) {
3287
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3288
                gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
3289
            } else {
3290
                rm = (modrm & 7) | REX_B(s);
3291
                gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)),
3292
                            offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)));
3293
                gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)),
3294
                            offsetof(CPUX86State,xmm_regs[rm].XMM_L(2)));
3295
            }
3296
            gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)),
3297
                        offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
3298
            gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)),
3299
                        offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)));
3300
            break;
3301
        case 0x312: /* movddup */
3302
            if (mod != 3) {
3303
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3304
                gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
3305
            } else {
3306
                rm = (modrm & 7) | REX_B(s);
3307
                gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
3308
                            offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
3309
            }
3310
            gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)),
3311
                        offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
3312
            break;
3313
        case 0x016: /* movhps */
3314
        case 0x116: /* movhpd */
3315
            if (mod != 3) {
3316
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3317
                gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
3318
            } else {
3319
                /* movlhps */
3320
                rm = (modrm & 7) | REX_B(s);
3321
                gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)),
3322
                            offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
3323
            }
3324
            break;
3325
        case 0x216: /* movshdup */
3326
            if (mod != 3) {
3327
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3328
                gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
3329
            } else {
3330
                rm = (modrm & 7) | REX_B(s);
3331
                gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)),
3332
                            offsetof(CPUX86State,xmm_regs[rm].XMM_L(1)));
3333
                gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)),
3334
                            offsetof(CPUX86State,xmm_regs[rm].XMM_L(3)));
3335
            }
3336
            gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)),
3337
                        offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)));
3338
            gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)),
3339
                        offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)));
3340
            break;
3341
        case 0x178:
3342
        case 0x378:
3343
            {
3344
                int bit_index, field_length;
3345

    
3346
                if (b1 == 1 && reg != 0)
3347
                    goto illegal_op;
3348
                field_length = ldub_code(s->pc++) & 0x3F;
3349
                bit_index = ldub_code(s->pc++) & 0x3F;
3350
                tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
3351
                    offsetof(CPUX86State,xmm_regs[reg]));
3352
                if (b1 == 1)
3353
                    gen_helper_extrq_i(cpu_ptr0, tcg_const_i32(bit_index),
3354
                        tcg_const_i32(field_length));
3355
                else
3356
                    gen_helper_insertq_i(cpu_ptr0, tcg_const_i32(bit_index),
3357
                        tcg_const_i32(field_length));
3358
            }
3359
            break;
3360
        case 0x7e: /* movd ea, mm */
3361
#ifdef TARGET_X86_64
3362
            if (s->dflag == 2) {
3363
                tcg_gen_ld_i64(cpu_T[0], cpu_env, 
3364
                               offsetof(CPUX86State,fpregs[reg].mmx));
3365
                gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1);
3366
            } else
3367
#endif
3368
            {
3369
                tcg_gen_ld32u_tl(cpu_T[0], cpu_env, 
3370
                                 offsetof(CPUX86State,fpregs[reg].mmx.MMX_L(0)));
3371
                gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1);
3372
            }
3373
            break;
3374
        case 0x17e: /* movd ea, xmm */
3375
#ifdef TARGET_X86_64
3376
            if (s->dflag == 2) {
3377
                tcg_gen_ld_i64(cpu_T[0], cpu_env, 
3378
                               offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
3379
                gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1);
3380
            } else
3381
#endif
3382
            {
3383
                tcg_gen_ld32u_tl(cpu_T[0], cpu_env, 
3384
                                 offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
3385
                gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1);
3386
            }
3387
            break;
3388
        case 0x27e: /* movq xmm, ea */
3389
            if (mod != 3) {
3390
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3391
                gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
3392
            } else {
3393
                rm = (modrm & 7) | REX_B(s);
3394
                gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
3395
                            offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
3396
            }
3397
            gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
3398
            break;
3399
        case 0x7f: /* movq ea, mm */
3400
            if (mod != 3) {
3401
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3402
                gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx));
3403
            } else {
3404
                rm = (modrm & 7);
3405
                gen_op_movq(offsetof(CPUX86State,fpregs[rm].mmx),
3406
                            offsetof(CPUX86State,fpregs[reg].mmx));
3407
            }
3408
            break;
3409
        case 0x011: /* movups */
3410
        case 0x111: /* movupd */
3411
        case 0x029: /* movaps */
3412
        case 0x129: /* movapd */
3413
        case 0x17f: /* movdqa ea, xmm */
3414
        case 0x27f: /* movdqu ea, xmm */
3415
            if (mod != 3) {
3416
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3417
                gen_sto_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
3418
            } else {
3419
                rm = (modrm & 7) | REX_B(s);
3420
                gen_op_movo(offsetof(CPUX86State,xmm_regs[rm]),
3421
                            offsetof(CPUX86State,xmm_regs[reg]));
3422
            }
3423
            break;
3424
        case 0x211: /* movss ea, xmm */
3425
            if (mod != 3) {
3426
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3427
                tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
3428
                gen_op_st_T0_A0(OT_LONG + s->mem_index);
3429
            } else {
3430
                rm = (modrm & 7) | REX_B(s);
3431
                gen_op_movl(offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)),
3432
                            offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
3433
            }
3434
            break;
3435
        case 0x311: /* movsd ea, xmm */
3436
            if (mod != 3) {
3437
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3438
                gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
3439
            } else {
3440
                rm = (modrm & 7) | REX_B(s);
3441
                gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)),
3442
                            offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
3443
            }
3444
            break;
3445
        case 0x013: /* movlps */
3446
        case 0x113: /* movlpd */
3447
            if (mod != 3) {
3448
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3449
                gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
3450
            } else {
3451
                goto illegal_op;
3452
            }
3453
            break;
3454
        case 0x017: /* movhps */
3455
        case 0x117: /* movhpd */
3456
            if (mod != 3) {
3457
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3458
                gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
3459
            } else {
3460
                goto illegal_op;
3461
            }
3462
            break;
3463
        case 0x71: /* shift mm, im */
3464
        case 0x72:
3465
        case 0x73:
3466
        case 0x171: /* shift xmm, im */
3467
        case 0x172:
3468
        case 0x173:
3469
            val = ldub_code(s->pc++);
3470
            if (is_xmm) {
3471
                gen_op_movl_T0_im(val);
3472
                tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0)));
3473
                gen_op_movl_T0_0();
3474
                tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(1)));
3475
                op1_offset = offsetof(CPUX86State,xmm_t0);
3476
            } else {
3477
                gen_op_movl_T0_im(val);
3478
                tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,mmx_t0.MMX_L(0)));
3479
                gen_op_movl_T0_0();
3480
                tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,mmx_t0.MMX_L(1)));
3481
                op1_offset = offsetof(CPUX86State,mmx_t0);
3482
            }
3483
            sse_op2 = sse_op_table2[((b - 1) & 3) * 8 + (((modrm >> 3)) & 7)][b1];
3484
            if (!sse_op2)
3485
                goto illegal_op;
3486
            if (is_xmm) {
3487
                rm = (modrm & 7) | REX_B(s);
3488
                op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
3489
            } else {
3490
                rm = (modrm & 7);
3491
                op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
3492
            }
3493
            tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op2_offset);
3494
            tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op1_offset);
3495
            ((void (*)(TCGv_ptr, TCGv_ptr))sse_op2)(cpu_ptr0, cpu_ptr1);
3496
            break;
3497
        case 0x050: /* movmskps */
3498
            rm = (modrm & 7) | REX_B(s);
3499
            tcg_gen_addi_ptr(cpu_ptr0, cpu_env, 
3500
                             offsetof(CPUX86State,xmm_regs[rm]));
3501
            gen_helper_movmskps(cpu_tmp2_i32, cpu_ptr0);
3502
            tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
3503
            gen_op_mov_reg_T0(OT_LONG, reg);
3504
            break;
3505
        case 0x150: /* movmskpd */
3506
            rm = (modrm & 7) | REX_B(s);
3507
            tcg_gen_addi_ptr(cpu_ptr0, cpu_env, 
3508
                             offsetof(CPUX86State,xmm_regs[rm]));
3509
            gen_helper_movmskpd(cpu_tmp2_i32, cpu_ptr0);
3510
            tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
3511
            gen_op_mov_reg_T0(OT_LONG, reg);
3512
            break;
3513
        case 0x02a: /* cvtpi2ps */
3514
        case 0x12a: /* cvtpi2pd */
3515
            gen_helper_enter_mmx();
3516
            if (mod != 3) {
3517
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3518
                op2_offset = offsetof(CPUX86State,mmx_t0);
3519
                gen_ldq_env_A0(s->mem_index, op2_offset);
3520
            } else {
3521
                rm = (modrm & 7);
3522
                op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
3523
            }
3524
            op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
3525
            tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
3526
            tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
3527
            switch(b >> 8) {
3528
            case 0x0:
3529
                gen_helper_cvtpi2ps(cpu_ptr0, cpu_ptr1);
3530
                break;
3531
            default:
3532
            case 0x1:
3533
                gen_helper_cvtpi2pd(cpu_ptr0, cpu_ptr1);
3534
                break;
3535
            }
3536
            break;
3537
        case 0x22a: /* cvtsi2ss */
3538
        case 0x32a: /* cvtsi2sd */
3539
            ot = (s->dflag == 2) ? OT_QUAD : OT_LONG;
3540
            gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
3541
            op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
3542
            tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
3543
            sse_op2 = sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2)];
3544
            if (ot == OT_LONG) {
3545
                tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
3546
                ((void (*)(TCGv_ptr, TCGv_i32))sse_op2)(cpu_ptr0, cpu_tmp2_i32);
3547
            } else {
3548
                ((void (*)(TCGv_ptr, TCGv))sse_op2)(cpu_ptr0, cpu_T[0]);
3549
            }
3550
            break;
3551
        case 0x02c: /* cvttps2pi */
3552
        case 0x12c: /* cvttpd2pi */
3553
        case 0x02d: /* cvtps2pi */
3554
        case 0x12d: /* cvtpd2pi */
3555
            gen_helper_enter_mmx();
3556
            if (mod != 3) {
3557
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3558
                op2_offset = offsetof(CPUX86State,xmm_t0);
3559
                gen_ldo_env_A0(s->mem_index, op2_offset);
3560
            } else {
3561
                rm = (modrm & 7) | REX_B(s);
3562
                op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
3563
            }
3564
            op1_offset = offsetof(CPUX86State,fpregs[reg & 7].mmx);
3565
            tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
3566
            tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
3567
            switch(b) {
3568
            case 0x02c:
3569
                gen_helper_cvttps2pi(cpu_ptr0, cpu_ptr1);
3570
                break;
3571
            case 0x12c:
3572
                gen_helper_cvttpd2pi(cpu_ptr0, cpu_ptr1);
3573
                break;
3574
            case 0x02d:
3575
                gen_helper_cvtps2pi(cpu_ptr0, cpu_ptr1);
3576
                break;
3577
            case 0x12d:
3578
                gen_helper_cvtpd2pi(cpu_ptr0, cpu_ptr1);
3579
                break;
3580
            }
3581
            break;
3582
        case 0x22c: /* cvttss2si */
3583
        case 0x32c: /* cvttsd2si */
3584
        case 0x22d: /* cvtss2si */
3585
        case 0x32d: /* cvtsd2si */
3586
            ot = (s->dflag == 2) ? OT_QUAD : OT_LONG;
3587
            if (mod != 3) {
3588
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3589
                if ((b >> 8) & 1) {
3590
                    gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_t0.XMM_Q(0)));
3591
                } else {
3592
                    gen_op_ld_T0_A0(OT_LONG + s->mem_index);
3593
                    tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0)));
3594
                }
3595
                op2_offset = offsetof(CPUX86State,xmm_t0);
3596
            } else {
3597
                rm = (modrm & 7) | REX_B(s);
3598
                op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
3599
            }
3600
            sse_op2 = sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2) + 4 +
3601
                                    (b & 1) * 4];
3602
            tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op2_offset);
3603
            if (ot == OT_LONG) {
3604
                ((void (*)(TCGv_i32, TCGv_ptr))sse_op2)(cpu_tmp2_i32, cpu_ptr0);
3605
                tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
3606
            } else {
3607
                ((void (*)(TCGv, TCGv_ptr))sse_op2)(cpu_T[0], cpu_ptr0);
3608
            }
3609
            gen_op_mov_reg_T0(ot, reg);
3610
            break;
3611
        case 0xc4: /* pinsrw */
3612
        case 0x1c4:
3613
            s->rip_offset = 1;
3614
            gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
3615
            val = ldub_code(s->pc++);
3616
            if (b1) {
3617
                val &= 7;
3618
                tcg_gen_st16_tl(cpu_T[0], cpu_env,
3619
                                offsetof(CPUX86State,xmm_regs[reg].XMM_W(val)));
3620
            } else {
3621
                val &= 3;
3622
                tcg_gen_st16_tl(cpu_T[0], cpu_env,
3623
                                offsetof(CPUX86State,fpregs[reg].mmx.MMX_W(val)));
3624
            }
3625
            break;
3626
        case 0xc5: /* pextrw */
3627
        case 0x1c5:
3628
            if (mod != 3)
3629
                goto illegal_op;
3630
            ot = (s->dflag == 2) ? OT_QUAD : OT_LONG;
3631
            val = ldub_code(s->pc++);
3632
            if (b1) {
3633
                val &= 7;
3634
                rm = (modrm & 7) | REX_B(s);
3635
                tcg_gen_ld16u_tl(cpu_T[0], cpu_env,
3636
                                 offsetof(CPUX86State,xmm_regs[rm].XMM_W(val)));
3637
            } else {
3638
                val &= 3;
3639
                rm = (modrm & 7);
3640
                tcg_gen_ld16u_tl(cpu_T[0], cpu_env,
3641
                                offsetof(CPUX86State,fpregs[rm].mmx.MMX_W(val)));
3642
            }
3643
            reg = ((modrm >> 3) & 7) | rex_r;
3644
            gen_op_mov_reg_T0(ot, reg);
3645
            break;
3646
        case 0x1d6: /* movq ea, xmm */
3647
            if (mod != 3) {
3648
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3649
                gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
3650
            } else {
3651
                rm = (modrm & 7) | REX_B(s);
3652
                gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)),
3653
                            offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
3654
                gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(1)));
3655
            }
3656
            break;
3657
        case 0x2d6: /* movq2dq */
3658
            gen_helper_enter_mmx();
3659
            rm = (modrm & 7);
3660
            gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
3661
                        offsetof(CPUX86State,fpregs[rm].mmx));
3662
            gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
3663
            break;
3664
        case 0x3d6: /* movdq2q */
3665
            gen_helper_enter_mmx();
3666
            rm = (modrm & 7) | REX_B(s);
3667
            gen_op_movq(offsetof(CPUX86State,fpregs[reg & 7].mmx),
3668
                        offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
3669
            break;
3670
        case 0xd7: /* pmovmskb */
3671
        case 0x1d7:
3672
            if (mod != 3)
3673
                goto illegal_op;
3674
            if (b1) {
3675
                rm = (modrm & 7) | REX_B(s);
3676
                tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,xmm_regs[rm]));
3677
                gen_helper_pmovmskb_xmm(cpu_tmp2_i32, cpu_ptr0);
3678
            } else {
3679
                rm = (modrm & 7);
3680
                tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,fpregs[rm].mmx));
3681
                gen_helper_pmovmskb_mmx(cpu_tmp2_i32, cpu_ptr0);
3682
            }
3683
            tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
3684
            reg = ((modrm >> 3) & 7) | rex_r;
3685
            gen_op_mov_reg_T0(OT_LONG, reg);
3686
            break;
3687
        case 0x138:
3688
            if (s->prefix & PREFIX_REPNZ)
3689
                goto crc32;
3690
        case 0x038:
3691
            b = modrm;
3692
            modrm = ldub_code(s->pc++);
3693
            rm = modrm & 7;
3694
            reg = ((modrm >> 3) & 7) | rex_r;
3695
            mod = (modrm >> 6) & 3;
3696

    
3697
            sse_op2 = sse_op_table6[b].op[b1];
3698
            if (!sse_op2)
3699
                goto illegal_op;
3700
            if (!(s->cpuid_ext_features & sse_op_table6[b].ext_mask))
3701
                goto illegal_op;
3702

    
3703
            if (b1) {
3704
                op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
3705
                if (mod == 3) {
3706
                    op2_offset = offsetof(CPUX86State,xmm_regs[rm | REX_B(s)]);
3707
                } else {
3708
                    op2_offset = offsetof(CPUX86State,xmm_t0);
3709
                    gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3710
                    switch (b) {
3711
                    case 0x20: case 0x30: /* pmovsxbw, pmovzxbw */
3712
                    case 0x23: case 0x33: /* pmovsxwd, pmovzxwd */
3713
                    case 0x25: case 0x35: /* pmovsxdq, pmovzxdq */
3714
                        gen_ldq_env_A0(s->mem_index, op2_offset +
3715
                                        offsetof(XMMReg, XMM_Q(0)));
3716
                        break;
3717
                    case 0x21: case 0x31: /* pmovsxbd, pmovzxbd */
3718
                    case 0x24: case 0x34: /* pmovsxwq, pmovzxwq */
3719
                        tcg_gen_qemu_ld32u(cpu_tmp0, cpu_A0,
3720
                                          (s->mem_index >> 2) - 1);
3721
                        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_tmp0);
3722
                        tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, op2_offset +
3723
                                        offsetof(XMMReg, XMM_L(0)));
3724
                        break;
3725
                    case 0x22: case 0x32: /* pmovsxbq, pmovzxbq */
3726
                        tcg_gen_qemu_ld16u(cpu_tmp0, cpu_A0,
3727
                                          (s->mem_index >> 2) - 1);
3728
                        tcg_gen_st16_tl(cpu_tmp0, cpu_env, op2_offset +
3729
                                        offsetof(XMMReg, XMM_W(0)));
3730
                        break;
3731
                    case 0x2a:            /* movntqda */
3732
                        gen_ldo_env_A0(s->mem_index, op1_offset);
3733
                        return;
3734
                    default:
3735
                        gen_ldo_env_A0(s->mem_index, op2_offset);
3736
                    }
3737
                }
3738
            } else {
3739
                op1_offset = offsetof(CPUX86State,fpregs[reg].mmx);
3740
                if (mod == 3) {
3741
                    op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
3742
                } else {
3743
                    op2_offset = offsetof(CPUX86State,mmx_t0);
3744
                    gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3745
                    gen_ldq_env_A0(s->mem_index, op2_offset);
3746
                }
3747
            }
3748
            if (sse_op2 == SSE_SPECIAL)
3749
                goto illegal_op;
3750

    
3751
            tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
3752
            tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
3753
            ((void (*)(TCGv_ptr, TCGv_ptr))sse_op2)(cpu_ptr0, cpu_ptr1);
3754

    
3755
            if (b == 0x17)
3756
                s->cc_op = CC_OP_EFLAGS;
3757
            break;
3758
        case 0x338: /* crc32 */
3759
        crc32:
3760
            b = modrm;
3761
            modrm = ldub_code(s->pc++);
3762
            reg = ((modrm >> 3) & 7) | rex_r;
3763

    
3764
            if (b != 0xf0 && b != 0xf1)
3765
                goto illegal_op;
3766
            if (!(s->cpuid_ext_features & CPUID_EXT_SSE42))
3767
                goto illegal_op;
3768

    
3769
            if (b == 0xf0)
3770
                ot = OT_BYTE;
3771
            else if (b == 0xf1 && s->dflag != 2)
3772
                if (s->prefix & PREFIX_DATA)
3773
                    ot = OT_WORD;
3774
                else
3775
                    ot = OT_LONG;
3776
            else
3777
                ot = OT_QUAD;
3778

    
3779
            gen_op_mov_TN_reg(OT_LONG, 0, reg);
3780
            tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
3781
            gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
3782
            gen_helper_crc32(cpu_T[0], cpu_tmp2_i32,
3783
                             cpu_T[0], tcg_const_i32(8 << ot));
3784

    
3785
            ot = (s->dflag == 2) ? OT_QUAD : OT_LONG;
3786
            gen_op_mov_reg_T0(ot, reg);
3787
            break;
3788
        case 0x03a:
3789
        case 0x13a:
3790
            b = modrm;
3791
            modrm = ldub_code(s->pc++);
3792
            rm = modrm & 7;
3793
            reg = ((modrm >> 3) & 7) | rex_r;
3794
            mod = (modrm >> 6) & 3;
3795

    
3796
            sse_op2 = sse_op_table7[b].op[b1];
3797
            if (!sse_op2)
3798
                goto illegal_op;
3799
            if (!(s->cpuid_ext_features & sse_op_table7[b].ext_mask))
3800
                goto illegal_op;
3801

    
3802
            if (sse_op2 == SSE_SPECIAL) {
3803
                ot = (s->dflag == 2) ? OT_QUAD : OT_LONG;
3804
                rm = (modrm & 7) | REX_B(s);
3805
                if (mod != 3)
3806
                    gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3807
                reg = ((modrm >> 3) & 7) | rex_r;
3808
                val = ldub_code(s->pc++);
3809
                switch (b) {
3810
                case 0x14: /* pextrb */
3811
                    tcg_gen_ld8u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,
3812
                                            xmm_regs[reg].XMM_B(val & 15)));
3813
                    if (mod == 3)
3814
                        gen_op_mov_reg_T0(ot, rm);
3815
                    else
3816
                        tcg_gen_qemu_st8(cpu_T[0], cpu_A0,
3817
                                        (s->mem_index >> 2) - 1);
3818
                    break;
3819
                case 0x15: /* pextrw */
3820
                    tcg_gen_ld16u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,
3821
                                            xmm_regs[reg].XMM_W(val & 7)));
3822
                    if (mod == 3)
3823
                        gen_op_mov_reg_T0(ot, rm);
3824
                    else
3825
                        tcg_gen_qemu_st16(cpu_T[0], cpu_A0,
3826
                                        (s->mem_index >> 2) - 1);
3827
                    break;
3828
                case 0x16:
3829
                    if (ot == OT_LONG) { /* pextrd */
3830
                        tcg_gen_ld_i32(cpu_tmp2_i32, cpu_env,
3831
                                        offsetof(CPUX86State,
3832
                                                xmm_regs[reg].XMM_L(val & 3)));
3833
                        tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
3834
                        if (mod == 3)
3835
                            gen_op_mov_reg_v(ot, rm, cpu_T[0]);
3836
                        else
3837
                            tcg_gen_qemu_st32(cpu_T[0], cpu_A0,
3838
                                            (s->mem_index >> 2) - 1);
3839
                    } else { /* pextrq */
3840
#ifdef TARGET_X86_64
3841
                        tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env,
3842
                                        offsetof(CPUX86State,
3843
                                                xmm_regs[reg].XMM_Q(val & 1)));
3844
                        if (mod == 3)
3845
                            gen_op_mov_reg_v(ot, rm, cpu_tmp1_i64);
3846
                        else
3847
                            tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0,
3848
                                            (s->mem_index >> 2) - 1);
3849
#else
3850
                        goto illegal_op;
3851
#endif
3852
                    }
3853
                    break;
3854
                case 0x17: /* extractps */
3855
                    tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,
3856
                                            xmm_regs[reg].XMM_L(val & 3)));
3857
                    if (mod == 3)
3858
                        gen_op_mov_reg_T0(ot, rm);
3859
                    else
3860
                        tcg_gen_qemu_st32(cpu_T[0], cpu_A0,
3861
                                        (s->mem_index >> 2) - 1);
3862
                    break;
3863
                case 0x20: /* pinsrb */
3864
                    if (mod == 3)
3865
                        gen_op_mov_TN_reg(OT_LONG, 0, rm);
3866
                    else
3867
                        tcg_gen_qemu_ld8u(cpu_tmp0, cpu_A0,
3868
                                        (s->mem_index >> 2) - 1);
3869
                    tcg_gen_st8_tl(cpu_tmp0, cpu_env, offsetof(CPUX86State,
3870
                                            xmm_regs[reg].XMM_B(val & 15)));
3871
                    break;
3872
                case 0x21: /* insertps */
3873
                    if (mod == 3) {
3874
                        tcg_gen_ld_i32(cpu_tmp2_i32, cpu_env,
3875
                                        offsetof(CPUX86State,xmm_regs[rm]
3876
                                                .XMM_L((val >> 6) & 3)));
3877
                    } else {
3878
                        tcg_gen_qemu_ld32u(cpu_tmp0, cpu_A0,
3879
                                        (s->mem_index >> 2) - 1);
3880
                        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_tmp0);
3881
                    }
3882
                    tcg_gen_st_i32(cpu_tmp2_i32, cpu_env,
3883
                                    offsetof(CPUX86State,xmm_regs[reg]
3884
                                            .XMM_L((val >> 4) & 3)));
3885
                    if ((val >> 0) & 1)
3886
                        tcg_gen_st_i32(tcg_const_i32(0 /*float32_zero*/),
3887
                                        cpu_env, offsetof(CPUX86State,
3888
                                                xmm_regs[reg].XMM_L(0)));
3889
                    if ((val >> 1) & 1)
3890
                        tcg_gen_st_i32(tcg_const_i32(0 /*float32_zero*/),
3891
                                        cpu_env, offsetof(CPUX86State,
3892
                                                xmm_regs[reg].XMM_L(1)));
3893
                    if ((val >> 2) & 1)
3894
                        tcg_gen_st_i32(tcg_const_i32(0 /*float32_zero*/),
3895
                                        cpu_env, offsetof(CPUX86State,
3896
                                                xmm_regs[reg].XMM_L(2)));
3897
                    if ((val >> 3) & 1)
3898
                        tcg_gen_st_i32(tcg_const_i32(0 /*float32_zero*/),
3899
                                        cpu_env, offsetof(CPUX86State,
3900
                                                xmm_regs[reg].XMM_L(3)));
3901
                    break;
3902
                case 0x22:
3903
                    if (ot == OT_LONG) { /* pinsrd */
3904
                        if (mod == 3)
3905
                            gen_op_mov_v_reg(ot, cpu_tmp0, rm);
3906
                        else
3907
                            tcg_gen_qemu_ld32u(cpu_tmp0, cpu_A0,
3908
                                            (s->mem_index >> 2) - 1);
3909
                        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_tmp0);
3910
                        tcg_gen_st_i32(cpu_tmp2_i32, cpu_env,
3911
                                        offsetof(CPUX86State,
3912
                                                xmm_regs[reg].XMM_L(val & 3)));
3913
                    } else { /* pinsrq */
3914
#ifdef TARGET_X86_64
3915
                        if (mod == 3)
3916
                            gen_op_mov_v_reg(ot, cpu_tmp1_i64, rm);
3917
                        else
3918
                            tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0,
3919
                                            (s->mem_index >> 2) - 1);
3920
                        tcg_gen_st_i64(cpu_tmp1_i64, cpu_env,
3921
                                        offsetof(CPUX86State,
3922
                                                xmm_regs[reg].XMM_Q(val & 1)));
3923
#else
3924
                        goto illegal_op;
3925
#endif
3926
                    }
3927
                    break;
3928
                }
3929
                return;
3930
            }
3931

    
3932
            if (b1) {
3933
                op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
3934
                if (mod == 3) {
3935
                    op2_offset = offsetof(CPUX86State,xmm_regs[rm | REX_B(s)]);
3936
                } else {
3937
                    op2_offset = offsetof(CPUX86State,xmm_t0);
3938
                    gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3939
                    gen_ldo_env_A0(s->mem_index, op2_offset);
3940
                }
3941
            } else {
3942
                op1_offset = offsetof(CPUX86State,fpregs[reg].mmx);
3943
                if (mod == 3) {
3944
                    op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
3945
                } else {
3946
                    op2_offset = offsetof(CPUX86State,mmx_t0);
3947
                    gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3948
                    gen_ldq_env_A0(s->mem_index, op2_offset);
3949
                }
3950
            }
3951
            val = ldub_code(s->pc++);
3952

    
3953
            if ((b & 0xfc) == 0x60) { /* pcmpXstrX */
3954
                s->cc_op = CC_OP_EFLAGS;
3955

    
3956
                if (s->dflag == 2)
3957
                    /* The helper must use entire 64-bit gp registers */
3958
                    val |= 1 << 8;
3959
            }
3960

    
3961
            tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
3962
            tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
3963
            ((void (*)(TCGv_ptr, TCGv_ptr, TCGv_i32))sse_op2)(cpu_ptr0, cpu_ptr1, tcg_const_i32(val));
3964
            break;
3965
        default:
3966
            goto illegal_op;
3967
        }
3968
    } else {
3969
        /* generic MMX or SSE operation */
3970
        switch(b) {
3971
        case 0x70: /* pshufx insn */
3972
        case 0xc6: /* pshufx insn */
3973
        case 0xc2: /* compare insns */
3974
            s->rip_offset = 1;
3975
            break;
3976
        default:
3977
            break;
3978
        }
3979
        if (is_xmm) {
3980
            op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
3981
            if (mod != 3) {
3982
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
3983
                op2_offset = offsetof(CPUX86State,xmm_t0);
3984
                if (b1 >= 2 && ((b >= 0x50 && b <= 0x5f && b != 0x5b) ||
3985
                                b == 0xc2)) {
3986
                    /* specific case for SSE single instructions */
3987
                    if (b1 == 2) {
3988
                        /* 32 bit access */
3989
                        gen_op_ld_T0_A0(OT_LONG + s->mem_index);
3990
                        tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0)));
3991
                    } else {
3992
                        /* 64 bit access */
3993
                        gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_t0.XMM_D(0)));
3994
                    }
3995
                } else {
3996
                    gen_ldo_env_A0(s->mem_index, op2_offset);
3997
                }
3998
            } else {
3999
                rm = (modrm & 7) | REX_B(s);
4000
                op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
4001
            }
4002
        } else {
4003
            op1_offset = offsetof(CPUX86State,fpregs[reg].mmx);
4004
            if (mod != 3) {
4005
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
4006
                op2_offset = offsetof(CPUX86State,mmx_t0);
4007
                gen_ldq_env_A0(s->mem_index, op2_offset);
4008
            } else {
4009
                rm = (modrm & 7);
4010
                op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
4011
            }
4012
        }
4013
        switch(b) {
4014
        case 0x0f: /* 3DNow! data insns */
4015
            if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW))
4016
                goto illegal_op;
4017
            val = ldub_code(s->pc++);
4018
            sse_op2 = sse_op_table5[val];
4019
            if (!sse_op2)
4020
                goto illegal_op;
4021
            tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
4022
            tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
4023
            ((void (*)(TCGv_ptr, TCGv_ptr))sse_op2)(cpu_ptr0, cpu_ptr1);
4024
            break;
4025
        case 0x70: /* pshufx insn */
4026
        case 0xc6: /* pshufx insn */
4027
            val = ldub_code(s->pc++);
4028
            tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
4029
            tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
4030
            ((void (*)(TCGv_ptr, TCGv_ptr, TCGv_i32))sse_op2)(cpu_ptr0, cpu_ptr1, tcg_const_i32(val));
4031
            break;
4032
        case 0xc2:
4033
            /* compare insns */
4034
            val = ldub_code(s->pc++);
4035
            if (val >= 8)
4036
                goto illegal_op;
4037
            sse_op2 = sse_op_table4[val][b1];
4038
            tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
4039
            tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
4040
            ((void (*)(TCGv_ptr, TCGv_ptr))sse_op2)(cpu_ptr0, cpu_ptr1);
4041
            break;
4042
        case 0xf7:
4043
            /* maskmov : we must prepare A0 */
4044
            if (mod != 3)
4045
                goto illegal_op;
4046
#ifdef TARGET_X86_64
4047
            if (s->aflag == 2) {
4048
                gen_op_movq_A0_reg(R_EDI);
4049
            } else
4050
#endif
4051
            {
4052
                gen_op_movl_A0_reg(R_EDI);
4053
                if (s->aflag == 0)
4054
                    gen_op_andl_A0_ffff();
4055
            }
4056
            gen_add_A0_ds_seg(s);
4057

    
4058
            tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
4059
            tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
4060
            ((void (*)(TCGv_ptr, TCGv_ptr, TCGv))sse_op2)(cpu_ptr0, cpu_ptr1, cpu_A0);
4061
            break;
4062
        default:
4063
            tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
4064
            tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
4065
            ((void (*)(TCGv_ptr, TCGv_ptr))sse_op2)(cpu_ptr0, cpu_ptr1);
4066
            break;
4067
        }
4068
        if (b == 0x2e || b == 0x2f) {
4069
            s->cc_op = CC_OP_EFLAGS;
4070
        }
4071
    }
4072
}
4073

    
4074
/* convert one instruction. s->is_jmp is set if the translation must
4075
   be stopped. Return the next pc value */
4076
static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
4077
{
4078
    int b, prefixes, aflag, dflag;
4079
    int shift, ot;
4080
    int modrm, reg, rm, mod, reg_addr, op, opreg, offset_addr, val;
4081
    target_ulong next_eip, tval;
4082
    int rex_w, rex_r;
4083

    
4084
    if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP)))
4085
        tcg_gen_debug_insn_start(pc_start);
4086
    s->pc = pc_start;
4087
    prefixes = 0;
4088
    aflag = s->code32;
4089
    dflag = s->code32;
4090
    s->override = -1;
4091
    rex_w = -1;
4092
    rex_r = 0;
4093
#ifdef TARGET_X86_64
4094
    s->rex_x = 0;
4095
    s->rex_b = 0;
4096
    x86_64_hregs = 0;
4097
#endif
4098
    s->rip_offset = 0; /* for relative ip address */
4099
 next_byte:
4100
    b = ldub_code(s->pc);
4101
    s->pc++;
4102
    /* check prefixes */
4103
#ifdef TARGET_X86_64
4104
    if (CODE64(s)) {
4105
        switch (b) {
4106
        case 0xf3:
4107
            prefixes |= PREFIX_REPZ;
4108
            goto next_byte;
4109
        case 0xf2:
4110
            prefixes |= PREFIX_REPNZ;
4111
            goto next_byte;
4112
        case 0xf0:
4113
            prefixes |= PREFIX_LOCK;
4114
            goto next_byte;
4115
        case 0x2e:
4116
            s->override = R_CS;
4117
            goto next_byte;
4118
        case 0x36:
4119
            s->override = R_SS;
4120
            goto next_byte;
4121
        case 0x3e:
4122
            s->override = R_DS;
4123
            goto next_byte;
4124
        case 0x26:
4125
            s->override = R_ES;
4126
            goto next_byte;
4127
        case 0x64:
4128
            s->override = R_FS;
4129
            goto next_byte;
4130
        case 0x65:
4131
            s->override = R_GS;
4132
            goto next_byte;
4133
        case 0x66:
4134
            prefixes |= PREFIX_DATA;
4135
            goto next_byte;
4136
        case 0x67:
4137
            prefixes |= PREFIX_ADR;
4138
            goto next_byte;
4139
        case 0x40 ... 0x4f:
4140
            /* REX prefix */
4141
            rex_w = (b >> 3) & 1;
4142
            rex_r = (b & 0x4) << 1;
4143
            s->rex_x = (b & 0x2) << 2;
4144
            REX_B(s) = (b & 0x1) << 3;
4145
            x86_64_hregs = 1; /* select uniform byte register addressing */
4146
            goto next_byte;
4147
        }
4148
        if (rex_w == 1) {
4149
            /* 0x66 is ignored if rex.w is set */
4150
            dflag = 2;
4151
        } else {
4152
            if (prefixes & PREFIX_DATA)
4153
                dflag ^= 1;
4154
        }
4155
        if (!(prefixes & PREFIX_ADR))
4156
            aflag = 2;
4157
    } else
4158
#endif
4159
    {
4160
        switch (b) {
4161
        case 0xf3:
4162
            prefixes |= PREFIX_REPZ;
4163
            goto next_byte;
4164
        case 0xf2:
4165
            prefixes |= PREFIX_REPNZ;
4166
            goto next_byte;
4167
        case 0xf0:
4168
            prefixes |= PREFIX_LOCK;
4169
            goto next_byte;
4170
        case 0x2e:
4171
            s->override = R_CS;
4172
            goto next_byte;
4173
        case 0x36:
4174
            s->override = R_SS;
4175
            goto next_byte;
4176
        case 0x3e:
4177
            s->override = R_DS;
4178
            goto next_byte;
4179
        case 0x26:
4180
            s->override = R_ES;
4181
            goto next_byte;
4182
        case 0x64:
4183
            s->override = R_FS;
4184
            goto next_byte;
4185
        case 0x65:
4186
            s->override = R_GS;
4187
            goto next_byte;
4188
        case 0x66:
4189
            prefixes |= PREFIX_DATA;
4190
            goto next_byte;
4191
        case 0x67:
4192
            prefixes |= PREFIX_ADR;
4193
            goto next_byte;
4194
        }
4195
        if (prefixes & PREFIX_DATA)
4196
            dflag ^= 1;
4197
        if (prefixes & PREFIX_ADR)
4198
            aflag ^= 1;
4199
    }
4200

    
4201
    s->prefix = prefixes;
4202
    s->aflag = aflag;
4203
    s->dflag = dflag;
4204

    
4205
    /* lock generation */
4206
    if (prefixes & PREFIX_LOCK)
4207
        gen_helper_lock();
4208

    
4209
    /* now check op code */
4210
 reswitch:
4211
    switch(b) {
4212
    case 0x0f:
4213
        /**************************/
4214
        /* extended op code */
4215
        b = ldub_code(s->pc++) | 0x100;
4216
        goto reswitch;
4217

    
4218
        /**************************/
4219
        /* arith & logic */
4220
    case 0x00 ... 0x05:
4221
    case 0x08 ... 0x0d:
4222
    case 0x10 ... 0x15:
4223
    case 0x18 ... 0x1d:
4224
    case 0x20 ... 0x25:
4225
    case 0x28 ... 0x2d:
4226
    case 0x30 ... 0x35:
4227
    case 0x38 ... 0x3d:
4228
        {
4229
            int op, f, val;
4230
            op = (b >> 3) & 7;
4231
            f = (b >> 1) & 3;
4232

    
4233
            if ((b & 1) == 0)
4234
                ot = OT_BYTE;
4235
            else
4236
                ot = dflag + OT_WORD;
4237

    
4238
            switch(f) {
4239
            case 0: /* OP Ev, Gv */
4240
                modrm = ldub_code(s->pc++);
4241
                reg = ((modrm >> 3) & 7) | rex_r;
4242
                mod = (modrm >> 6) & 3;
4243
                rm = (modrm & 7) | REX_B(s);
4244
                if (mod != 3) {
4245
                    gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
4246
                    opreg = OR_TMP0;
4247
                } else if (op == OP_XORL && rm == reg) {
4248
                xor_zero:
4249
                    /* xor reg, reg optimisation */
4250
                    gen_op_movl_T0_0();
4251
                    s->cc_op = CC_OP_LOGICB + ot;
4252
                    gen_op_mov_reg_T0(ot, reg);
4253
                    gen_op_update1_cc();
4254
                    break;
4255
                } else {
4256
                    opreg = rm;
4257
                }
4258
                gen_op_mov_TN_reg(ot, 1, reg);
4259
                gen_op(s, op, ot, opreg);
4260
                break;
4261
            case 1: /* OP Gv, Ev */
4262
                modrm = ldub_code(s->pc++);
4263
                mod = (modrm >> 6) & 3;
4264
                reg = ((modrm >> 3) & 7) | rex_r;
4265
                rm = (modrm & 7) | REX_B(s);
4266
                if (mod != 3) {
4267
                    gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
4268
                    gen_op_ld_T1_A0(ot + s->mem_index);
4269
                } else if (op == OP_XORL && rm == reg) {
4270
                    goto xor_zero;
4271
                } else {
4272
                    gen_op_mov_TN_reg(ot, 1, rm);
4273
                }
4274
                gen_op(s, op, ot, reg);
4275
                break;
4276
            case 2: /* OP A, Iv */
4277
                val = insn_get(s, ot);
4278
                gen_op_movl_T1_im(val);
4279
                gen_op(s, op, ot, OR_EAX);
4280
                break;
4281
            }
4282
        }
4283
        break;
4284

    
4285
    case 0x82:
4286
        if (CODE64(s))
4287
            goto illegal_op;
4288
    case 0x80: /* GRP1 */
4289
    case 0x81:
4290
    case 0x83:
4291
        {
4292
            int val;
4293

    
4294
            if ((b & 1) == 0)
4295
                ot = OT_BYTE;
4296
            else
4297
                ot = dflag + OT_WORD;
4298

    
4299
            modrm = ldub_code(s->pc++);
4300
            mod = (modrm >> 6) & 3;
4301
            rm = (modrm & 7) | REX_B(s);
4302
            op = (modrm >> 3) & 7;
4303

    
4304
            if (mod != 3) {
4305
                if (b == 0x83)
4306
                    s->rip_offset = 1;
4307
                else
4308
                    s->rip_offset = insn_const_size(ot);
4309
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
4310
                opreg = OR_TMP0;
4311
            } else {
4312
                opreg = rm;
4313
            }
4314

    
4315
            switch(b) {
4316
            default:
4317
            case 0x80:
4318
            case 0x81:
4319
            case 0x82:
4320
                val = insn_get(s, ot);
4321
                break;
4322
            case 0x83:
4323
                val = (int8_t)insn_get(s, OT_BYTE);
4324
                break;
4325
            }
4326
            gen_op_movl_T1_im(val);
4327
            gen_op(s, op, ot, opreg);
4328
        }
4329
        break;
4330

    
4331
        /**************************/
4332
        /* inc, dec, and other misc arith */
4333
    case 0x40 ... 0x47: /* inc Gv */
4334
        ot = dflag ? OT_LONG : OT_WORD;
4335
        gen_inc(s, ot, OR_EAX + (b & 7), 1);
4336
        break;
4337
    case 0x48 ... 0x4f: /* dec Gv */
4338
        ot = dflag ? OT_LONG : OT_WORD;
4339
        gen_inc(s, ot, OR_EAX + (b & 7), -1);
4340
        break;
4341
    case 0xf6: /* GRP3 */
4342
    case 0xf7:
4343
        if ((b & 1) == 0)
4344
            ot = OT_BYTE;
4345
        else
4346
            ot = dflag + OT_WORD;
4347

    
4348
        modrm = ldub_code(s->pc++);
4349
        mod = (modrm >> 6) & 3;
4350
        rm = (modrm & 7) | REX_B(s);
4351
        op = (modrm >> 3) & 7;
4352
        if (mod != 3) {
4353
            if (op == 0)
4354
                s->rip_offset = insn_const_size(ot);
4355
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
4356
            gen_op_ld_T0_A0(ot + s->mem_index);
4357
        } else {
4358
            gen_op_mov_TN_reg(ot, 0, rm);
4359
        }
4360

    
4361
        switch(op) {
4362
        case 0: /* test */
4363
            val = insn_get(s, ot);
4364
            gen_op_movl_T1_im(val);
4365
            gen_op_testl_T0_T1_cc();
4366
            s->cc_op = CC_OP_LOGICB + ot;
4367
            break;
4368
        case 2: /* not */
4369
            tcg_gen_not_tl(cpu_T[0], cpu_T[0]);
4370
            if (mod != 3) {
4371
                gen_op_st_T0_A0(ot + s->mem_index);
4372
            } else {
4373
                gen_op_mov_reg_T0(ot, rm);
4374
            }
4375
            break;
4376
        case 3: /* neg */
4377
            tcg_gen_neg_tl(cpu_T[0], cpu_T[0]);
4378
            if (mod != 3) {
4379
                gen_op_st_T0_A0(ot + s->mem_index);
4380
            } else {
4381
                gen_op_mov_reg_T0(ot, rm);
4382
            }
4383
            gen_op_update_neg_cc();
4384
            s->cc_op = CC_OP_SUBB + ot;
4385
            break;
4386
        case 4: /* mul */
4387
            switch(ot) {
4388
            case OT_BYTE:
4389
                gen_op_mov_TN_reg(OT_BYTE, 1, R_EAX);
4390
                tcg_gen_ext8u_tl(cpu_T[0], cpu_T[0]);
4391
                tcg_gen_ext8u_tl(cpu_T[1], cpu_T[1]);
4392
                /* XXX: use 32 bit mul which could be faster */
4393
                tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
4394
                gen_op_mov_reg_T0(OT_WORD, R_EAX);
4395
                tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
4396
                tcg_gen_andi_tl(cpu_cc_src, cpu_T[0], 0xff00);
4397
                s->cc_op = CC_OP_MULB;
4398
                break;
4399
            case OT_WORD:
4400
                gen_op_mov_TN_reg(OT_WORD, 1, R_EAX);
4401
                tcg_gen_ext16u_tl(cpu_T[0], cpu_T[0]);
4402
                tcg_gen_ext16u_tl(cpu_T[1], cpu_T[1]);
4403
                /* XXX: use 32 bit mul which could be faster */
4404
                tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
4405
                gen_op_mov_reg_T0(OT_WORD, R_EAX);
4406
                tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
4407
                tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 16);
4408
                gen_op_mov_reg_T0(OT_WORD, R_EDX);
4409
                tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]);
4410
                s->cc_op = CC_OP_MULW;
4411
                break;
4412
            default:
4413
            case OT_LONG:
4414
#ifdef TARGET_X86_64
4415
                gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
4416
                tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]);
4417
                tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]);
4418
                tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
4419
                gen_op_mov_reg_T0(OT_LONG, R_EAX);
4420
                tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
4421
                tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 32);
4422
                gen_op_mov_reg_T0(OT_LONG, R_EDX);
4423
                tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]);
4424
#else
4425
                {
4426
                    TCGv_i64 t0, t1;
4427
                    t0 = tcg_temp_new_i64();
4428
                    t1 = tcg_temp_new_i64();
4429
                    gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
4430
                    tcg_gen_extu_i32_i64(t0, cpu_T[0]);
4431
                    tcg_gen_extu_i32_i64(t1, cpu_T[1]);
4432
                    tcg_gen_mul_i64(t0, t0, t1);
4433
                    tcg_gen_trunc_i64_i32(cpu_T[0], t0);
4434
                    gen_op_mov_reg_T0(OT_LONG, R_EAX);
4435
                    tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
4436
                    tcg_gen_shri_i64(t0, t0, 32);
4437
                    tcg_gen_trunc_i64_i32(cpu_T[0], t0);
4438
                    gen_op_mov_reg_T0(OT_LONG, R_EDX);
4439
                    tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]);
4440
                }
4441
#endif
4442
                s->cc_op = CC_OP_MULL;
4443
                break;
4444
#ifdef TARGET_X86_64
4445
            case OT_QUAD:
4446
                gen_helper_mulq_EAX_T0(cpu_T[0]);
4447
                s->cc_op = CC_OP_MULQ;
4448
                break;
4449
#endif
4450
            }
4451
            break;
4452
        case 5: /* imul */
4453
            switch(ot) {
4454
            case OT_BYTE:
4455
                gen_op_mov_TN_reg(OT_BYTE, 1, R_EAX);
4456
                tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]);
4457
                tcg_gen_ext8s_tl(cpu_T[1], cpu_T[1]);
4458
                /* XXX: use 32 bit mul which could be faster */
4459
                tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
4460
                gen_op_mov_reg_T0(OT_WORD, R_EAX);
4461
                tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
4462
                tcg_gen_ext8s_tl(cpu_tmp0, cpu_T[0]);
4463
                tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
4464
                s->cc_op = CC_OP_MULB;
4465
                break;
4466
            case OT_WORD:
4467
                gen_op_mov_TN_reg(OT_WORD, 1, R_EAX);
4468
                tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]);
4469
                tcg_gen_ext16s_tl(cpu_T[1], cpu_T[1]);
4470
                /* XXX: use 32 bit mul which could be faster */
4471
                tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
4472
                gen_op_mov_reg_T0(OT_WORD, R_EAX);
4473
                tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
4474
                tcg_gen_ext16s_tl(cpu_tmp0, cpu_T[0]);
4475
                tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
4476
                tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 16);
4477
                gen_op_mov_reg_T0(OT_WORD, R_EDX);
4478
                s->cc_op = CC_OP_MULW;
4479
                break;
4480
            default:
4481
            case OT_LONG:
4482
#ifdef TARGET_X86_64
4483
                gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
4484
                tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
4485
                tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]);
4486
                tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
4487
                gen_op_mov_reg_T0(OT_LONG, R_EAX);
4488
                tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
4489
                tcg_gen_ext32s_tl(cpu_tmp0, cpu_T[0]);
4490
                tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
4491
                tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 32);
4492
                gen_op_mov_reg_T0(OT_LONG, R_EDX);
4493
#else
4494
                {
4495
                    TCGv_i64 t0, t1;
4496
                    t0 = tcg_temp_new_i64();
4497
                    t1 = tcg_temp_new_i64();
4498
                    gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
4499
                    tcg_gen_ext_i32_i64(t0, cpu_T[0]);
4500
                    tcg_gen_ext_i32_i64(t1, cpu_T[1]);
4501
                    tcg_gen_mul_i64(t0, t0, t1);
4502
                    tcg_gen_trunc_i64_i32(cpu_T[0], t0);
4503
                    gen_op_mov_reg_T0(OT_LONG, R_EAX);
4504
                    tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
4505
                    tcg_gen_sari_tl(cpu_tmp0, cpu_T[0], 31);
4506
                    tcg_gen_shri_i64(t0, t0, 32);
4507
                    tcg_gen_trunc_i64_i32(cpu_T[0], t0);
4508
                    gen_op_mov_reg_T0(OT_LONG, R_EDX);
4509
                    tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
4510
                }
4511
#endif
4512
                s->cc_op = CC_OP_MULL;
4513
                break;
4514
#ifdef TARGET_X86_64
4515
            case OT_QUAD:
4516
                gen_helper_imulq_EAX_T0(cpu_T[0]);
4517
                s->cc_op = CC_OP_MULQ;
4518
                break;
4519
#endif
4520
            }
4521
            break;
4522
        case 6: /* div */
4523
            switch(ot) {
4524
            case OT_BYTE:
4525
                gen_jmp_im(pc_start - s->cs_base);
4526
                gen_helper_divb_AL(cpu_T[0]);
4527
                break;
4528
            case OT_WORD:
4529
                gen_jmp_im(pc_start - s->cs_base);
4530
                gen_helper_divw_AX(cpu_T[0]);
4531
                break;
4532
            default:
4533
            case OT_LONG:
4534
                gen_jmp_im(pc_start - s->cs_base);
4535
                gen_helper_divl_EAX(cpu_T[0]);
4536
                break;
4537
#ifdef TARGET_X86_64
4538
            case OT_QUAD:
4539
                gen_jmp_im(pc_start - s->cs_base);
4540
                gen_helper_divq_EAX(cpu_T[0]);
4541
                break;
4542
#endif
4543
            }
4544
            break;
4545
        case 7: /* idiv */
4546
            switch(ot) {
4547
            case OT_BYTE:
4548
                gen_jmp_im(pc_start - s->cs_base);
4549
                gen_helper_idivb_AL(cpu_T[0]);
4550
                break;
4551
            case OT_WORD:
4552
                gen_jmp_im(pc_start - s->cs_base);
4553
                gen_helper_idivw_AX(cpu_T[0]);
4554
                break;
4555
            default:
4556
            case OT_LONG:
4557
                gen_jmp_im(pc_start - s->cs_base);
4558
                gen_helper_idivl_EAX(cpu_T[0]);
4559
                break;
4560
#ifdef TARGET_X86_64
4561
            case OT_QUAD:
4562
                gen_jmp_im(pc_start - s->cs_base);
4563
                gen_helper_idivq_EAX(cpu_T[0]);
4564
                break;
4565
#endif
4566
            }
4567
            break;
4568
        default:
4569
            goto illegal_op;
4570
        }
4571
        break;
4572

    
4573
    case 0xfe: /* GRP4 */
4574
    case 0xff: /* GRP5 */
4575
        if ((b & 1) == 0)
4576
            ot = OT_BYTE;
4577
        else
4578
            ot = dflag + OT_WORD;
4579

    
4580
        modrm = ldub_code(s->pc++);
4581
        mod = (modrm >> 6) & 3;
4582
        rm = (modrm & 7) | REX_B(s);
4583
        op = (modrm >> 3) & 7;
4584
        if (op >= 2 && b == 0xfe) {
4585
            goto illegal_op;
4586
        }
4587
        if (CODE64(s)) {
4588
            if (op == 2 || op == 4) {
4589
                /* operand size for jumps is 64 bit */
4590
                ot = OT_QUAD;
4591
            } else if (op == 3 || op == 5) {
4592
                /* for call calls, the operand is 16 or 32 bit, even
4593
                   in long mode */
4594
                ot = dflag ? OT_LONG : OT_WORD;
4595
            } else if (op == 6) {
4596
                /* default push size is 64 bit */
4597
                ot = dflag ? OT_QUAD : OT_WORD;
4598
            }
4599
        }
4600
        if (mod != 3) {
4601
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
4602
            if (op >= 2 && op != 3 && op != 5)
4603
                gen_op_ld_T0_A0(ot + s->mem_index);
4604
        } else {
4605
            gen_op_mov_TN_reg(ot, 0, rm);
4606
        }
4607

    
4608
        switch(op) {
4609
        case 0: /* inc Ev */
4610
            if (mod != 3)
4611
                opreg = OR_TMP0;
4612
            else
4613
                opreg = rm;
4614
            gen_inc(s, ot, opreg, 1);
4615
            break;
4616
        case 1: /* dec Ev */
4617
            if (mod != 3)
4618
                opreg = OR_TMP0;
4619
            else
4620
                opreg = rm;
4621
            gen_inc(s, ot, opreg, -1);
4622
            break;
4623
        case 2: /* call Ev */
4624
            /* XXX: optimize if memory (no 'and' is necessary) */
4625
            if (s->dflag == 0)
4626
                gen_op_andl_T0_ffff();
4627
            next_eip = s->pc - s->cs_base;
4628
            gen_movtl_T1_im(next_eip);
4629
            gen_push_T1(s);
4630
            gen_op_jmp_T0();
4631
            gen_eob(s);
4632
            break;
4633
        case 3: /* lcall Ev */
4634
            gen_op_ld_T1_A0(ot + s->mem_index);
4635
            gen_add_A0_im(s, 1 << (ot - OT_WORD + 1));
4636
            gen_op_ldu_T0_A0(OT_WORD + s->mem_index);
4637
        do_lcall:
4638
            if (s->pe && !s->vm86) {
4639
                if (s->cc_op != CC_OP_DYNAMIC)
4640
                    gen_op_set_cc_op(s->cc_op);
4641
                gen_jmp_im(pc_start - s->cs_base);
4642
                tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
4643
                gen_helper_lcall_protected(cpu_tmp2_i32, cpu_T[1],
4644
                                           tcg_const_i32(dflag), 
4645
                                           tcg_const_i32(s->pc - pc_start));
4646
            } else {
4647
                tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
4648
                gen_helper_lcall_real(cpu_tmp2_i32, cpu_T[1],
4649
                                      tcg_const_i32(dflag), 
4650
                                      tcg_const_i32(s->pc - s->cs_base));
4651
            }
4652
            gen_eob(s);
4653
            break;
4654
        case 4: /* jmp Ev */
4655
            if (s->dflag == 0)
4656
                gen_op_andl_T0_ffff();
4657
            gen_op_jmp_T0();
4658
            gen_eob(s);
4659
            break;
4660
        case 5: /* ljmp Ev */
4661
            gen_op_ld_T1_A0(ot + s->mem_index);
4662
            gen_add_A0_im(s, 1 << (ot - OT_WORD + 1));
4663
            gen_op_ldu_T0_A0(OT_WORD + s->mem_index);
4664
        do_ljmp:
4665
            if (s->pe && !s->vm86) {
4666
                if (s->cc_op != CC_OP_DYNAMIC)
4667
                    gen_op_set_cc_op(s->cc_op);
4668
                gen_jmp_im(pc_start - s->cs_base);
4669
                tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
4670
                gen_helper_ljmp_protected(cpu_tmp2_i32, cpu_T[1],
4671
                                          tcg_const_i32(s->pc - pc_start));
4672
            } else {
4673
                gen_op_movl_seg_T0_vm(R_CS);
4674
                gen_op_movl_T0_T1();
4675
                gen_op_jmp_T0();
4676
            }
4677
            gen_eob(s);
4678
            break;
4679
        case 6: /* push Ev */
4680
            gen_push_T0(s);
4681
            break;
4682
        default:
4683
            goto illegal_op;
4684
        }
4685
        break;
4686

    
4687
    case 0x84: /* test Ev, Gv */
4688
    case 0x85:
4689
        if ((b & 1) == 0)
4690
            ot = OT_BYTE;
4691
        else
4692
            ot = dflag + OT_WORD;
4693

    
4694
        modrm = ldub_code(s->pc++);
4695
        mod = (modrm >> 6) & 3;
4696
        rm = (modrm & 7) | REX_B(s);
4697
        reg = ((modrm >> 3) & 7) | rex_r;
4698

    
4699
        gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
4700
        gen_op_mov_TN_reg(ot, 1, reg);
4701
        gen_op_testl_T0_T1_cc();
4702
        s->cc_op = CC_OP_LOGICB + ot;
4703
        break;
4704

    
4705
    case 0xa8: /* test eAX, Iv */
4706
    case 0xa9:
4707
        if ((b & 1) == 0)
4708
            ot = OT_BYTE;
4709
        else
4710
            ot = dflag + OT_WORD;
4711
        val = insn_get(s, ot);
4712

    
4713
        gen_op_mov_TN_reg(ot, 0, OR_EAX);
4714
        gen_op_movl_T1_im(val);
4715
        gen_op_testl_T0_T1_cc();
4716
        s->cc_op = CC_OP_LOGICB + ot;
4717
        break;
4718

    
4719
    case 0x98: /* CWDE/CBW */
4720
#ifdef TARGET_X86_64
4721
        if (dflag == 2) {
4722
            gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
4723
            tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
4724
            gen_op_mov_reg_T0(OT_QUAD, R_EAX);
4725
        } else
4726
#endif
4727
        if (dflag == 1) {
4728
            gen_op_mov_TN_reg(OT_WORD, 0, R_EAX);
4729
            tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]);
4730
            gen_op_mov_reg_T0(OT_LONG, R_EAX);
4731
        } else {
4732
            gen_op_mov_TN_reg(OT_BYTE, 0, R_EAX);
4733
            tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]);
4734
            gen_op_mov_reg_T0(OT_WORD, R_EAX);
4735
        }
4736
        break;
4737
    case 0x99: /* CDQ/CWD */
4738
#ifdef TARGET_X86_64
4739
        if (dflag == 2) {
4740
            gen_op_mov_TN_reg(OT_QUAD, 0, R_EAX);
4741
            tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 63);
4742
            gen_op_mov_reg_T0(OT_QUAD, R_EDX);
4743
        } else
4744
#endif
4745
        if (dflag == 1) {
4746
            gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
4747
            tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
4748
            tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 31);
4749
            gen_op_mov_reg_T0(OT_LONG, R_EDX);
4750
        } else {
4751
            gen_op_mov_TN_reg(OT_WORD, 0, R_EAX);
4752
            tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]);
4753
            tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 15);
4754
            gen_op_mov_reg_T0(OT_WORD, R_EDX);
4755
        }
4756
        break;
4757
    case 0x1af: /* imul Gv, Ev */
4758
    case 0x69: /* imul Gv, Ev, I */
4759
    case 0x6b:
4760
        ot = dflag + OT_WORD;
4761
        modrm = ldub_code(s->pc++);
4762
        reg = ((modrm >> 3) & 7) | rex_r;
4763
        if (b == 0x69)
4764
            s->rip_offset = insn_const_size(ot);
4765
        else if (b == 0x6b)
4766
            s->rip_offset = 1;
4767
        gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
4768
        if (b == 0x69) {
4769
            val = insn_get(s, ot);
4770
            gen_op_movl_T1_im(val);
4771
        } else if (b == 0x6b) {
4772
            val = (int8_t)insn_get(s, OT_BYTE);
4773
            gen_op_movl_T1_im(val);
4774
        } else {
4775
            gen_op_mov_TN_reg(ot, 1, reg);
4776
        }
4777

    
4778
#ifdef TARGET_X86_64
4779
        if (ot == OT_QUAD) {
4780
            gen_helper_imulq_T0_T1(cpu_T[0], cpu_T[0], cpu_T[1]);
4781
        } else
4782
#endif
4783
        if (ot == OT_LONG) {
4784
#ifdef TARGET_X86_64
4785
                tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
4786
                tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]);
4787
                tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
4788
                tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
4789
                tcg_gen_ext32s_tl(cpu_tmp0, cpu_T[0]);
4790
                tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
4791
#else
4792
                {
4793
                    TCGv_i64 t0, t1;
4794
                    t0 = tcg_temp_new_i64();
4795
                    t1 = tcg_temp_new_i64();
4796
                    tcg_gen_ext_i32_i64(t0, cpu_T[0]);
4797
                    tcg_gen_ext_i32_i64(t1, cpu_T[1]);
4798
                    tcg_gen_mul_i64(t0, t0, t1);
4799
                    tcg_gen_trunc_i64_i32(cpu_T[0], t0);
4800
                    tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
4801
                    tcg_gen_sari_tl(cpu_tmp0, cpu_T[0], 31);
4802
                    tcg_gen_shri_i64(t0, t0, 32);
4803
                    tcg_gen_trunc_i64_i32(cpu_T[1], t0);
4804
                    tcg_gen_sub_tl(cpu_cc_src, cpu_T[1], cpu_tmp0);
4805
                }
4806
#endif
4807
        } else {
4808
            tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]);
4809
            tcg_gen_ext16s_tl(cpu_T[1], cpu_T[1]);
4810
            /* XXX: use 32 bit mul which could be faster */
4811
            tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
4812
            tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
4813
            tcg_gen_ext16s_tl(cpu_tmp0, cpu_T[0]);
4814
            tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
4815
        }
4816
        gen_op_mov_reg_T0(ot, reg);
4817
        s->cc_op = CC_OP_MULB + ot;
4818
        break;
4819
    case 0x1c0:
4820
    case 0x1c1: /* xadd Ev, Gv */
4821
        if ((b & 1) == 0)
4822
            ot = OT_BYTE;
4823
        else
4824
            ot = dflag + OT_WORD;
4825
        modrm = ldub_code(s->pc++);
4826
        reg = ((modrm >> 3) & 7) | rex_r;
4827
        mod = (modrm >> 6) & 3;
4828
        if (mod == 3) {
4829
            rm = (modrm & 7) | REX_B(s);
4830
            gen_op_mov_TN_reg(ot, 0, reg);
4831
            gen_op_mov_TN_reg(ot, 1, rm);
4832
            gen_op_addl_T0_T1();
4833
            gen_op_mov_reg_T1(ot, reg);
4834
            gen_op_mov_reg_T0(ot, rm);
4835
        } else {
4836
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
4837
            gen_op_mov_TN_reg(ot, 0, reg);
4838
            gen_op_ld_T1_A0(ot + s->mem_index);
4839
            gen_op_addl_T0_T1();
4840
            gen_op_st_T0_A0(ot + s->mem_index);
4841
            gen_op_mov_reg_T1(ot, reg);
4842
        }
4843
        gen_op_update2_cc();
4844
        s->cc_op = CC_OP_ADDB + ot;
4845
        break;
4846
    case 0x1b0:
4847
    case 0x1b1: /* cmpxchg Ev, Gv */
4848
        {
4849
            int label1, label2;
4850
            TCGv t0, t1, t2, a0;
4851

    
4852
            if ((b & 1) == 0)
4853
                ot = OT_BYTE;
4854
            else
4855
                ot = dflag + OT_WORD;
4856
            modrm = ldub_code(s->pc++);
4857
            reg = ((modrm >> 3) & 7) | rex_r;
4858
            mod = (modrm >> 6) & 3;
4859
            t0 = tcg_temp_local_new();
4860
            t1 = tcg_temp_local_new();
4861
            t2 = tcg_temp_local_new();
4862
            a0 = tcg_temp_local_new();
4863
            gen_op_mov_v_reg(ot, t1, reg);
4864
            if (mod == 3) {
4865
                rm = (modrm & 7) | REX_B(s);
4866
                gen_op_mov_v_reg(ot, t0, rm);
4867
            } else {
4868
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
4869
                tcg_gen_mov_tl(a0, cpu_A0);
4870
                gen_op_ld_v(ot + s->mem_index, t0, a0);
4871
                rm = 0; /* avoid warning */
4872
            }
4873
            label1 = gen_new_label();
4874
            tcg_gen_sub_tl(t2, cpu_regs[R_EAX], t0);
4875
            gen_extu(ot, t2);
4876
            tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, label1);
4877
            if (mod == 3) {
4878
                label2 = gen_new_label();
4879
                gen_op_mov_reg_v(ot, R_EAX, t0);
4880
                tcg_gen_br(label2);
4881
                gen_set_label(label1);
4882
                gen_op_mov_reg_v(ot, rm, t1);
4883
                gen_set_label(label2);
4884
            } else {
4885
                tcg_gen_mov_tl(t1, t0);
4886
                gen_op_mov_reg_v(ot, R_EAX, t0);
4887
                gen_set_label(label1);
4888
                /* always store */
4889
                gen_op_st_v(ot + s->mem_index, t1, a0);
4890
            }
4891
            tcg_gen_mov_tl(cpu_cc_src, t0);
4892
            tcg_gen_mov_tl(cpu_cc_dst, t2);
4893
            s->cc_op = CC_OP_SUBB + ot;
4894
            tcg_temp_free(t0);
4895
            tcg_temp_free(t1);
4896
            tcg_temp_free(t2);
4897
            tcg_temp_free(a0);
4898
        }
4899
        break;
4900
    case 0x1c7: /* cmpxchg8b */
4901
        modrm = ldub_code(s->pc++);
4902
        mod = (modrm >> 6) & 3;
4903
        if ((mod == 3) || ((modrm & 0x38) != 0x8))
4904
            goto illegal_op;
4905
#ifdef TARGET_X86_64
4906
        if (dflag == 2) {
4907
            if (!(s->cpuid_ext_features & CPUID_EXT_CX16))
4908
                goto illegal_op;
4909
            gen_jmp_im(pc_start - s->cs_base);
4910
            if (s->cc_op != CC_OP_DYNAMIC)
4911
                gen_op_set_cc_op(s->cc_op);
4912
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
4913
            gen_helper_cmpxchg16b(cpu_A0);
4914
        } else
4915
#endif        
4916
        {
4917
            if (!(s->cpuid_features & CPUID_CX8))
4918
                goto illegal_op;
4919
            gen_jmp_im(pc_start - s->cs_base);
4920
            if (s->cc_op != CC_OP_DYNAMIC)
4921
                gen_op_set_cc_op(s->cc_op);
4922
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
4923
            gen_helper_cmpxchg8b(cpu_A0);
4924
        }
4925
        s->cc_op = CC_OP_EFLAGS;
4926
        break;
4927

    
4928
        /**************************/
4929
        /* push/pop */
4930
    case 0x50 ... 0x57: /* push */
4931
        gen_op_mov_TN_reg(OT_LONG, 0, (b & 7) | REX_B(s));
4932
        gen_push_T0(s);
4933
        break;
4934
    case 0x58 ... 0x5f: /* pop */
4935
        if (CODE64(s)) {
4936
            ot = dflag ? OT_QUAD : OT_WORD;
4937
        } else {
4938
            ot = dflag + OT_WORD;
4939
        }
4940
        gen_pop_T0(s);
4941
        /* NOTE: order is important for pop %sp */
4942
        gen_pop_update(s);
4943
        gen_op_mov_reg_T0(ot, (b & 7) | REX_B(s));
4944
        break;
4945
    case 0x60: /* pusha */
4946
        if (CODE64(s))
4947
            goto illegal_op;
4948
        gen_pusha(s);
4949
        break;
4950
    case 0x61: /* popa */
4951
        if (CODE64(s))
4952
            goto illegal_op;
4953
        gen_popa(s);
4954
        break;
4955
    case 0x68: /* push Iv */
4956
    case 0x6a:
4957
        if (CODE64(s)) {
4958
            ot = dflag ? OT_QUAD : OT_WORD;
4959
        } else {
4960
            ot = dflag + OT_WORD;
4961
        }
4962
        if (b == 0x68)
4963
            val = insn_get(s, ot);
4964
        else
4965
            val = (int8_t)insn_get(s, OT_BYTE);
4966
        gen_op_movl_T0_im(val);
4967
        gen_push_T0(s);
4968
        break;
4969
    case 0x8f: /* pop Ev */
4970
        if (CODE64(s)) {
4971
            ot = dflag ? OT_QUAD : OT_WORD;
4972
        } else {
4973
            ot = dflag + OT_WORD;
4974
        }
4975
        modrm = ldub_code(s->pc++);
4976
        mod = (modrm >> 6) & 3;
4977
        gen_pop_T0(s);
4978
        if (mod == 3) {
4979
            /* NOTE: order is important for pop %sp */
4980
            gen_pop_update(s);
4981
            rm = (modrm & 7) | REX_B(s);
4982
            gen_op_mov_reg_T0(ot, rm);
4983
        } else {
4984
            /* NOTE: order is important too for MMU exceptions */
4985
            s->popl_esp_hack = 1 << ot;
4986
            gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
4987
            s->popl_esp_hack = 0;
4988
            gen_pop_update(s);
4989
        }
4990
        break;
4991
    case 0xc8: /* enter */
4992
        {
4993
            int level;
4994
            val = lduw_code(s->pc);
4995
            s->pc += 2;
4996
            level = ldub_code(s->pc++);
4997
            gen_enter(s, val, level);
4998
        }
4999
        break;
5000
    case 0xc9: /* leave */
5001
        /* XXX: exception not precise (ESP is updated before potential exception) */
5002
        if (CODE64(s)) {
5003
            gen_op_mov_TN_reg(OT_QUAD, 0, R_EBP);
5004
            gen_op_mov_reg_T0(OT_QUAD, R_ESP);
5005
        } else if (s->ss32) {
5006
            gen_op_mov_TN_reg(OT_LONG, 0, R_EBP);
5007
            gen_op_mov_reg_T0(OT_LONG, R_ESP);
5008
        } else {
5009
            gen_op_mov_TN_reg(OT_WORD, 0, R_EBP);
5010
            gen_op_mov_reg_T0(OT_WORD, R_ESP);
5011
        }
5012
        gen_pop_T0(s);
5013
        if (CODE64(s)) {
5014
            ot = dflag ? OT_QUAD : OT_WORD;
5015
        } else {
5016
            ot = dflag + OT_WORD;
5017
        }
5018
        gen_op_mov_reg_T0(ot, R_EBP);
5019
        gen_pop_update(s);
5020
        break;
5021
    case 0x06: /* push es */
5022
    case 0x0e: /* push cs */
5023
    case 0x16: /* push ss */
5024
    case 0x1e: /* push ds */
5025
        if (CODE64(s))
5026
            goto illegal_op;
5027
        gen_op_movl_T0_seg(b >> 3);
5028
        gen_push_T0(s);
5029
        break;
5030
    case 0x1a0: /* push fs */
5031
    case 0x1a8: /* push gs */
5032
        gen_op_movl_T0_seg((b >> 3) & 7);
5033
        gen_push_T0(s);
5034
        break;
5035
    case 0x07: /* pop es */
5036
    case 0x17: /* pop ss */
5037
    case 0x1f: /* pop ds */
5038
        if (CODE64(s))
5039
            goto illegal_op;
5040
        reg = b >> 3;
5041
        gen_pop_T0(s);
5042
        gen_movl_seg_T0(s, reg, pc_start - s->cs_base);
5043
        gen_pop_update(s);
5044
        if (reg == R_SS) {
5045
            /* if reg == SS, inhibit interrupts/trace. */
5046
            /* If several instructions disable interrupts, only the
5047
               _first_ does it */
5048
            if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK))
5049
                gen_helper_set_inhibit_irq();
5050
            s->tf = 0;
5051
        }
5052
        if (s->is_jmp) {
5053
            gen_jmp_im(s->pc - s->cs_base);
5054
            gen_eob(s);
5055
        }
5056
        break;
5057
    case 0x1a1: /* pop fs */
5058
    case 0x1a9: /* pop gs */
5059
        gen_pop_T0(s);
5060
        gen_movl_seg_T0(s, (b >> 3) & 7, pc_start - s->cs_base);
5061
        gen_pop_update(s);
5062
        if (s->is_jmp) {
5063
            gen_jmp_im(s->pc - s->cs_base);
5064
            gen_eob(s);
5065
        }
5066
        break;
5067

    
5068
        /**************************/
5069
        /* mov */
5070
    case 0x88:
5071
    case 0x89: /* mov Gv, Ev */
5072
        if ((b & 1) == 0)
5073
            ot = OT_BYTE;
5074
        else
5075
            ot = dflag + OT_WORD;
5076
        modrm = ldub_code(s->pc++);
5077
        reg = ((modrm >> 3) & 7) | rex_r;
5078

    
5079
        /* generate a generic store */
5080
        gen_ldst_modrm(s, modrm, ot, reg, 1);
5081
        break;
5082
    case 0xc6:
5083
    case 0xc7: /* mov Ev, Iv */
5084
        if ((b & 1) == 0)
5085
            ot = OT_BYTE;
5086
        else
5087
            ot = dflag + OT_WORD;
5088
        modrm = ldub_code(s->pc++);
5089
        mod = (modrm >> 6) & 3;
5090
        if (mod != 3) {
5091
            s->rip_offset = insn_const_size(ot);
5092
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
5093
        }
5094
        val = insn_get(s, ot);
5095
        gen_op_movl_T0_im(val);
5096
        if (mod != 3)
5097
            gen_op_st_T0_A0(ot + s->mem_index);
5098
        else
5099
            gen_op_mov_reg_T0(ot, (modrm & 7) | REX_B(s));
5100
        break;
5101
    case 0x8a:
5102
    case 0x8b: /* mov Ev, Gv */
5103
        if ((b & 1) == 0)
5104
            ot = OT_BYTE;
5105
        else
5106
            ot = OT_WORD + dflag;
5107
        modrm = ldub_code(s->pc++);
5108
        reg = ((modrm >> 3) & 7) | rex_r;
5109

    
5110
        gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
5111
        gen_op_mov_reg_T0(ot, reg);
5112
        break;
5113
    case 0x8e: /* mov seg, Gv */
5114
        modrm = ldub_code(s->pc++);
5115
        reg = (modrm >> 3) & 7;
5116
        if (reg >= 6 || reg == R_CS)
5117
            goto illegal_op;
5118
        gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
5119
        gen_movl_seg_T0(s, reg, pc_start - s->cs_base);
5120
        if (reg == R_SS) {
5121
            /* if reg == SS, inhibit interrupts/trace */
5122
            /* If several instructions disable interrupts, only the
5123
               _first_ does it */
5124
            if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK))
5125
                gen_helper_set_inhibit_irq();
5126
            s->tf = 0;
5127
        }
5128
        if (s->is_jmp) {
5129
            gen_jmp_im(s->pc - s->cs_base);
5130
            gen_eob(s);
5131
        }
5132
        break;
5133
    case 0x8c: /* mov Gv, seg */
5134
        modrm = ldub_code(s->pc++);
5135
        reg = (modrm >> 3) & 7;
5136
        mod = (modrm >> 6) & 3;
5137
        if (reg >= 6)
5138
            goto illegal_op;
5139
        gen_op_movl_T0_seg(reg);
5140
        if (mod == 3)
5141
            ot = OT_WORD + dflag;
5142
        else
5143
            ot = OT_WORD;
5144
        gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
5145
        break;
5146

    
5147
    case 0x1b6: /* movzbS Gv, Eb */
5148
    case 0x1b7: /* movzwS Gv, Eb */
5149
    case 0x1be: /* movsbS Gv, Eb */
5150
    case 0x1bf: /* movswS Gv, Eb */
5151
        {
5152
            int d_ot;
5153
            /* d_ot is the size of destination */
5154
            d_ot = dflag + OT_WORD;
5155
            /* ot is the size of source */
5156
            ot = (b & 1) + OT_BYTE;
5157
            modrm = ldub_code(s->pc++);
5158
            reg = ((modrm >> 3) & 7) | rex_r;
5159
            mod = (modrm >> 6) & 3;
5160
            rm = (modrm & 7) | REX_B(s);
5161

    
5162
            if (mod == 3) {
5163
                gen_op_mov_TN_reg(ot, 0, rm);
5164
                switch(ot | (b & 8)) {
5165
                case OT_BYTE:
5166
                    tcg_gen_ext8u_tl(cpu_T[0], cpu_T[0]);
5167
                    break;
5168
                case OT_BYTE | 8:
5169
                    tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]);
5170
                    break;
5171
                case OT_WORD:
5172
                    tcg_gen_ext16u_tl(cpu_T[0], cpu_T[0]);
5173
                    break;
5174
                default:
5175
                case OT_WORD | 8:
5176
                    tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]);
5177
                    break;
5178
                }
5179
                gen_op_mov_reg_T0(d_ot, reg);
5180
            } else {
5181
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
5182
                if (b & 8) {
5183
                    gen_op_lds_T0_A0(ot + s->mem_index);
5184
                } else {
5185
                    gen_op_ldu_T0_A0(ot + s->mem_index);
5186
                }
5187
                gen_op_mov_reg_T0(d_ot, reg);
5188
            }
5189
        }
5190
        break;
5191

    
5192
    case 0x8d: /* lea */
5193
        ot = dflag + OT_WORD;
5194
        modrm = ldub_code(s->pc++);
5195
        mod = (modrm >> 6) & 3;
5196
        if (mod == 3)
5197
            goto illegal_op;
5198
        reg = ((modrm >> 3) & 7) | rex_r;
5199
        /* we must ensure that no segment is added */
5200
        s->override = -1;
5201
        val = s->addseg;
5202
        s->addseg = 0;
5203
        gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
5204
        s->addseg = val;
5205
        gen_op_mov_reg_A0(ot - OT_WORD, reg);
5206
        break;
5207

    
5208
    case 0xa0: /* mov EAX, Ov */
5209
    case 0xa1:
5210
    case 0xa2: /* mov Ov, EAX */
5211
    case 0xa3:
5212
        {
5213
            target_ulong offset_addr;
5214

    
5215
            if ((b & 1) == 0)
5216
                ot = OT_BYTE;
5217
            else
5218
                ot = dflag + OT_WORD;
5219
#ifdef TARGET_X86_64
5220
            if (s->aflag == 2) {
5221
                offset_addr = ldq_code(s->pc);
5222
                s->pc += 8;
5223
                gen_op_movq_A0_im(offset_addr);
5224
            } else
5225
#endif
5226
            {
5227
                if (s->aflag) {
5228
                    offset_addr = insn_get(s, OT_LONG);
5229
                } else {
5230
                    offset_addr = insn_get(s, OT_WORD);
5231
                }
5232
                gen_op_movl_A0_im(offset_addr);
5233
            }
5234
            gen_add_A0_ds_seg(s);
5235
            if ((b & 2) == 0) {
5236
                gen_op_ld_T0_A0(ot + s->mem_index);
5237
                gen_op_mov_reg_T0(ot, R_EAX);
5238
            } else {
5239
                gen_op_mov_TN_reg(ot, 0, R_EAX);
5240
                gen_op_st_T0_A0(ot + s->mem_index);
5241
            }
5242
        }
5243
        break;
5244
    case 0xd7: /* xlat */
5245
#ifdef TARGET_X86_64
5246
        if (s->aflag == 2) {
5247
            gen_op_movq_A0_reg(R_EBX);
5248
            gen_op_mov_TN_reg(OT_QUAD, 0, R_EAX);
5249
            tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xff);
5250
            tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_T[0]);
5251
        } else
5252
#endif
5253
        {
5254
            gen_op_movl_A0_reg(R_EBX);
5255
            gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
5256
            tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xff);
5257
            tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_T[0]);
5258
            if (s->aflag == 0)
5259
                gen_op_andl_A0_ffff();
5260
            else
5261
                tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
5262
        }
5263
        gen_add_A0_ds_seg(s);
5264
        gen_op_ldu_T0_A0(OT_BYTE + s->mem_index);
5265
        gen_op_mov_reg_T0(OT_BYTE, R_EAX);
5266
        break;
5267
    case 0xb0 ... 0xb7: /* mov R, Ib */
5268
        val = insn_get(s, OT_BYTE);
5269
        gen_op_movl_T0_im(val);
5270
        gen_op_mov_reg_T0(OT_BYTE, (b & 7) | REX_B(s));
5271
        break;
5272
    case 0xb8 ... 0xbf: /* mov R, Iv */
5273
#ifdef TARGET_X86_64
5274
        if (dflag == 2) {
5275
            uint64_t tmp;
5276
            /* 64 bit case */
5277
            tmp = ldq_code(s->pc);
5278
            s->pc += 8;
5279
            reg = (b & 7) | REX_B(s);
5280
            gen_movtl_T0_im(tmp);
5281
            gen_op_mov_reg_T0(OT_QUAD, reg);
5282
        } else
5283
#endif
5284
        {
5285
            ot = dflag ? OT_LONG : OT_WORD;
5286
            val = insn_get(s, ot);
5287
            reg = (b & 7) | REX_B(s);
5288
            gen_op_movl_T0_im(val);
5289
            gen_op_mov_reg_T0(ot, reg);
5290
        }
5291
        break;
5292

    
5293
    case 0x91 ... 0x97: /* xchg R, EAX */
5294
        ot = dflag + OT_WORD;
5295
        reg = (b & 7) | REX_B(s);
5296
        rm = R_EAX;
5297
        goto do_xchg_reg;
5298
    case 0x86:
5299
    case 0x87: /* xchg Ev, Gv */
5300
        if ((b & 1) == 0)
5301
            ot = OT_BYTE;
5302
        else
5303
            ot = dflag + OT_WORD;
5304
        modrm = ldub_code(s->pc++);
5305
        reg = ((modrm >> 3) & 7) | rex_r;
5306
        mod = (modrm >> 6) & 3;
5307
        if (mod == 3) {
5308
            rm = (modrm & 7) | REX_B(s);
5309
        do_xchg_reg:
5310
            gen_op_mov_TN_reg(ot, 0, reg);
5311
            gen_op_mov_TN_reg(ot, 1, rm);
5312
            gen_op_mov_reg_T0(ot, rm);
5313
            gen_op_mov_reg_T1(ot, reg);
5314
        } else {
5315
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
5316
            gen_op_mov_TN_reg(ot, 0, reg);
5317
            /* for xchg, lock is implicit */
5318
            if (!(prefixes & PREFIX_LOCK))
5319
                gen_helper_lock();
5320
            gen_op_ld_T1_A0(ot + s->mem_index);
5321
            gen_op_st_T0_A0(ot + s->mem_index);
5322
            if (!(prefixes & PREFIX_LOCK))
5323
                gen_helper_unlock();
5324
            gen_op_mov_reg_T1(ot, reg);
5325
        }
5326
        break;
5327
    case 0xc4: /* les Gv */
5328
        if (CODE64(s))
5329
            goto illegal_op;
5330
        op = R_ES;
5331
        goto do_lxx;
5332
    case 0xc5: /* lds Gv */
5333
        if (CODE64(s))
5334
            goto illegal_op;
5335
        op = R_DS;
5336
        goto do_lxx;
5337
    case 0x1b2: /* lss Gv */
5338
        op = R_SS;
5339
        goto do_lxx;
5340
    case 0x1b4: /* lfs Gv */
5341
        op = R_FS;
5342
        goto do_lxx;
5343
    case 0x1b5: /* lgs Gv */
5344
        op = R_GS;
5345
    do_lxx:
5346
        ot = dflag ? OT_LONG : OT_WORD;
5347
        modrm = ldub_code(s->pc++);
5348
        reg = ((modrm >> 3) & 7) | rex_r;
5349
        mod = (modrm >> 6) & 3;
5350
        if (mod == 3)
5351
            goto illegal_op;
5352
        gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
5353
        gen_op_ld_T1_A0(ot + s->mem_index);
5354
        gen_add_A0_im(s, 1 << (ot - OT_WORD + 1));
5355
        /* load the segment first to handle exceptions properly */
5356
        gen_op_ldu_T0_A0(OT_WORD + s->mem_index);
5357
        gen_movl_seg_T0(s, op, pc_start - s->cs_base);
5358
        /* then put the data */
5359
        gen_op_mov_reg_T1(ot, reg);
5360
        if (s->is_jmp) {
5361
            gen_jmp_im(s->pc - s->cs_base);
5362
            gen_eob(s);
5363
        }
5364
        break;
5365

    
5366
        /************************/
5367
        /* shifts */
5368
    case 0xc0:
5369
    case 0xc1:
5370
        /* shift Ev,Ib */
5371
        shift = 2;
5372
    grp2:
5373
        {
5374
            if ((b & 1) == 0)
5375
                ot = OT_BYTE;
5376
            else
5377
                ot = dflag + OT_WORD;
5378

    
5379
            modrm = ldub_code(s->pc++);
5380
            mod = (modrm >> 6) & 3;
5381
            op = (modrm >> 3) & 7;
5382

    
5383
            if (mod != 3) {
5384
                if (shift == 2) {
5385
                    s->rip_offset = 1;
5386
                }
5387
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
5388
                opreg = OR_TMP0;
5389
            } else {
5390
                opreg = (modrm & 7) | REX_B(s);
5391
            }
5392

    
5393
            /* simpler op */
5394
            if (shift == 0) {
5395
                gen_shift(s, op, ot, opreg, OR_ECX);
5396
            } else {
5397
                if (shift == 2) {
5398
                    shift = ldub_code(s->pc++);
5399
                }
5400
                gen_shifti(s, op, ot, opreg, shift);
5401
            }
5402
        }
5403
        break;
5404
    case 0xd0:
5405
    case 0xd1:
5406
        /* shift Ev,1 */
5407
        shift = 1;
5408
        goto grp2;
5409
    case 0xd2:
5410
    case 0xd3:
5411
        /* shift Ev,cl */
5412
        shift = 0;
5413
        goto grp2;
5414

    
5415
    case 0x1a4: /* shld imm */
5416
        op = 0;
5417
        shift = 1;
5418
        goto do_shiftd;
5419
    case 0x1a5: /* shld cl */
5420
        op = 0;
5421
        shift = 0;
5422
        goto do_shiftd;
5423
    case 0x1ac: /* shrd imm */
5424
        op = 1;
5425
        shift = 1;
5426
        goto do_shiftd;
5427
    case 0x1ad: /* shrd cl */
5428
        op = 1;
5429
        shift = 0;
5430
    do_shiftd:
5431
        ot = dflag + OT_WORD;
5432
        modrm = ldub_code(s->pc++);
5433
        mod = (modrm >> 6) & 3;
5434
        rm = (modrm & 7) | REX_B(s);
5435
        reg = ((modrm >> 3) & 7) | rex_r;
5436
        if (mod != 3) {
5437
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
5438
            opreg = OR_TMP0;
5439
        } else {
5440
            opreg = rm;
5441
        }
5442
        gen_op_mov_TN_reg(ot, 1, reg);
5443

    
5444
        if (shift) {
5445
            val = ldub_code(s->pc++);
5446
            tcg_gen_movi_tl(cpu_T3, val);
5447
        } else {
5448
            tcg_gen_mov_tl(cpu_T3, cpu_regs[R_ECX]);
5449
        }
5450
        gen_shiftd_rm_T1_T3(s, ot, opreg, op);
5451
        break;
5452

    
5453
        /************************/
5454
        /* floats */
5455
    case 0xd8 ... 0xdf:
5456
        if (s->flags & (HF_EM_MASK | HF_TS_MASK)) {
5457
            /* if CR0.EM or CR0.TS are set, generate an FPU exception */
5458
            /* XXX: what to do if illegal op ? */
5459
            gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
5460
            break;
5461
        }
5462
        modrm = ldub_code(s->pc++);
5463
        mod = (modrm >> 6) & 3;
5464
        rm = modrm & 7;
5465
        op = ((b & 7) << 3) | ((modrm >> 3) & 7);
5466
        if (mod != 3) {
5467
            /* memory op */
5468
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
5469
            switch(op) {
5470
            case 0x00 ... 0x07: /* fxxxs */
5471
            case 0x10 ... 0x17: /* fixxxl */
5472
            case 0x20 ... 0x27: /* fxxxl */
5473
            case 0x30 ... 0x37: /* fixxx */
5474
                {
5475
                    int op1;
5476
                    op1 = op & 7;
5477

    
5478
                    switch(op >> 4) {
5479
                    case 0:
5480
                        gen_op_ld_T0_A0(OT_LONG + s->mem_index);
5481
                        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
5482
                        gen_helper_flds_FT0(cpu_tmp2_i32);
5483
                        break;
5484
                    case 1:
5485
                        gen_op_ld_T0_A0(OT_LONG + s->mem_index);
5486
                        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
5487
                        gen_helper_fildl_FT0(cpu_tmp2_i32);
5488
                        break;
5489
                    case 2:
5490
                        tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, 
5491
                                          (s->mem_index >> 2) - 1);
5492
                        gen_helper_fldl_FT0(cpu_tmp1_i64);
5493
                        break;
5494
                    case 3:
5495
                    default:
5496
                        gen_op_lds_T0_A0(OT_WORD + s->mem_index);
5497
                        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
5498
                        gen_helper_fildl_FT0(cpu_tmp2_i32);
5499
                        break;
5500
                    }
5501

    
5502
                    gen_helper_fp_arith_ST0_FT0(op1);
5503
                    if (op1 == 3) {
5504
                        /* fcomp needs pop */
5505
                        gen_helper_fpop();
5506
                    }
5507
                }
5508
                break;
5509
            case 0x08: /* flds */
5510
            case 0x0a: /* fsts */
5511
            case 0x0b: /* fstps */
5512
            case 0x18 ... 0x1b: /* fildl, fisttpl, fistl, fistpl */
5513
            case 0x28 ... 0x2b: /* fldl, fisttpll, fstl, fstpl */
5514
            case 0x38 ... 0x3b: /* filds, fisttps, fists, fistps */
5515
                switch(op & 7) {
5516
                case 0:
5517
                    switch(op >> 4) {
5518
                    case 0:
5519
                        gen_op_ld_T0_A0(OT_LONG + s->mem_index);
5520
                        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
5521
                        gen_helper_flds_ST0(cpu_tmp2_i32);
5522
                        break;
5523
                    case 1:
5524
                        gen_op_ld_T0_A0(OT_LONG + s->mem_index);
5525
                        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
5526
                        gen_helper_fildl_ST0(cpu_tmp2_i32);
5527
                        break;
5528
                    case 2:
5529
                        tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, 
5530
                                          (s->mem_index >> 2) - 1);
5531
                        gen_helper_fldl_ST0(cpu_tmp1_i64);
5532
                        break;
5533
                    case 3:
5534
                    default:
5535
                        gen_op_lds_T0_A0(OT_WORD + s->mem_index);
5536
                        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
5537
                        gen_helper_fildl_ST0(cpu_tmp2_i32);
5538
                        break;
5539
                    }
5540
                    break;
5541
                case 1:
5542
                    /* XXX: the corresponding CPUID bit must be tested ! */
5543
                    switch(op >> 4) {
5544
                    case 1:
5545
                        gen_helper_fisttl_ST0(cpu_tmp2_i32);
5546
                        tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
5547
                        gen_op_st_T0_A0(OT_LONG + s->mem_index);
5548
                        break;
5549
                    case 2:
5550
                        gen_helper_fisttll_ST0(cpu_tmp1_i64);
5551
                        tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, 
5552
                                          (s->mem_index >> 2) - 1);
5553
                        break;
5554
                    case 3:
5555
                    default:
5556
                        gen_helper_fistt_ST0(cpu_tmp2_i32);
5557
                        tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
5558
                        gen_op_st_T0_A0(OT_WORD + s->mem_index);
5559
                        break;
5560
                    }
5561
                    gen_helper_fpop();
5562
                    break;
5563
                default:
5564
                    switch(op >> 4) {
5565
                    case 0:
5566
                        gen_helper_fsts_ST0(cpu_tmp2_i32);
5567
                        tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
5568
                        gen_op_st_T0_A0(OT_LONG + s->mem_index);
5569
                        break;
5570
                    case 1:
5571
                        gen_helper_fistl_ST0(cpu_tmp2_i32);
5572
                        tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
5573
                        gen_op_st_T0_A0(OT_LONG + s->mem_index);
5574
                        break;
5575
                    case 2:
5576
                        gen_helper_fstl_ST0(cpu_tmp1_i64);
5577
                        tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, 
5578
                                          (s->mem_index >> 2) - 1);
5579
                        break;
5580
                    case 3:
5581
                    default:
5582
                        gen_helper_fist_ST0(cpu_tmp2_i32);
5583
                        tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
5584
                        gen_op_st_T0_A0(OT_WORD + s->mem_index);
5585
                        break;
5586
                    }
5587
                    if ((op & 7) == 3)
5588
                        gen_helper_fpop();
5589
                    break;
5590
                }
5591
                break;
5592
            case 0x0c: /* fldenv mem */
5593
                if (s->cc_op != CC_OP_DYNAMIC)
5594
                    gen_op_set_cc_op(s->cc_op);
5595
                gen_jmp_im(pc_start - s->cs_base);
5596
                gen_helper_fldenv(
5597
                                   cpu_A0, tcg_const_i32(s->dflag));
5598
                break;
5599
            case 0x0d: /* fldcw mem */
5600
                gen_op_ld_T0_A0(OT_WORD + s->mem_index);
5601
                tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
5602
                gen_helper_fldcw(cpu_tmp2_i32);
5603
                break;
5604
            case 0x0e: /* fnstenv mem */
5605
                if (s->cc_op != CC_OP_DYNAMIC)
5606
                    gen_op_set_cc_op(s->cc_op);
5607
                gen_jmp_im(pc_start - s->cs_base);
5608
                gen_helper_fstenv(cpu_A0, tcg_const_i32(s->dflag));
5609
                break;
5610
            case 0x0f: /* fnstcw mem */
5611
                gen_helper_fnstcw(cpu_tmp2_i32);
5612
                tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
5613
                gen_op_st_T0_A0(OT_WORD + s->mem_index);
5614
                break;
5615
            case 0x1d: /* fldt mem */
5616
                if (s->cc_op != CC_OP_DYNAMIC)
5617
                    gen_op_set_cc_op(s->cc_op);
5618
                gen_jmp_im(pc_start - s->cs_base);
5619
                gen_helper_fldt_ST0(cpu_A0);
5620
                break;
5621
            case 0x1f: /* fstpt mem */
5622
                if (s->cc_op != CC_OP_DYNAMIC)
5623
                    gen_op_set_cc_op(s->cc_op);
5624
                gen_jmp_im(pc_start - s->cs_base);
5625
                gen_helper_fstt_ST0(cpu_A0);
5626
                gen_helper_fpop();
5627
                break;
5628
            case 0x2c: /* frstor mem */
5629
                if (s->cc_op != CC_OP_DYNAMIC)
5630
                    gen_op_set_cc_op(s->cc_op);
5631
                gen_jmp_im(pc_start - s->cs_base);
5632
                gen_helper_frstor(cpu_A0, tcg_const_i32(s->dflag));
5633
                break;
5634
            case 0x2e: /* fnsave mem */
5635
                if (s->cc_op != CC_OP_DYNAMIC)
5636
                    gen_op_set_cc_op(s->cc_op);
5637
                gen_jmp_im(pc_start - s->cs_base);
5638
                gen_helper_fsave(cpu_A0, tcg_const_i32(s->dflag));
5639
                break;
5640
            case 0x2f: /* fnstsw mem */
5641
                gen_helper_fnstsw(cpu_tmp2_i32);
5642
                tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
5643
                gen_op_st_T0_A0(OT_WORD + s->mem_index);
5644
                break;
5645
            case 0x3c: /* fbld */
5646
                if (s->cc_op != CC_OP_DYNAMIC)
5647
                    gen_op_set_cc_op(s->cc_op);
5648
                gen_jmp_im(pc_start - s->cs_base);
5649
                gen_helper_fbld_ST0(cpu_A0);
5650
                break;
5651
            case 0x3e: /* fbstp */
5652
                if (s->cc_op != CC_OP_DYNAMIC)
5653
                    gen_op_set_cc_op(s->cc_op);
5654
                gen_jmp_im(pc_start - s->cs_base);
5655
                gen_helper_fbst_ST0(cpu_A0);
5656
                gen_helper_fpop();
5657
                break;
5658
            case 0x3d: /* fildll */
5659
                tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, 
5660
                                  (s->mem_index >> 2) - 1);
5661
                gen_helper_fildll_ST0(cpu_tmp1_i64);
5662
                break;
5663
            case 0x3f: /* fistpll */
5664
                gen_helper_fistll_ST0(cpu_tmp1_i64);
5665
                tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, 
5666
                                  (s->mem_index >> 2) - 1);
5667
                gen_helper_fpop();
5668
                break;
5669
            default:
5670
                goto illegal_op;
5671
            }
5672
        } else {
5673
            /* register float ops */
5674
            opreg = rm;
5675

    
5676
            switch(op) {
5677
            case 0x08: /* fld sti */
5678
                gen_helper_fpush();
5679
                gen_helper_fmov_ST0_STN(tcg_const_i32((opreg + 1) & 7));
5680
                break;
5681
            case 0x09: /* fxchg sti */
5682
            case 0x29: /* fxchg4 sti, undocumented op */
5683
            case 0x39: /* fxchg7 sti, undocumented op */
5684
                gen_helper_fxchg_ST0_STN(tcg_const_i32(opreg));
5685
                break;
5686
            case 0x0a: /* grp d9/2 */
5687
                switch(rm) {
5688
                case 0: /* fnop */
5689
                    /* check exceptions (FreeBSD FPU probe) */
5690
                    if (s->cc_op != CC_OP_DYNAMIC)
5691
                        gen_op_set_cc_op(s->cc_op);
5692
                    gen_jmp_im(pc_start - s->cs_base);
5693
                    gen_helper_fwait();
5694
                    break;
5695
                default:
5696
                    goto illegal_op;
5697
                }
5698
                break;
5699
            case 0x0c: /* grp d9/4 */
5700
                switch(rm) {
5701
                case 0: /* fchs */
5702
                    gen_helper_fchs_ST0();
5703
                    break;
5704
                case 1: /* fabs */
5705
                    gen_helper_fabs_ST0();
5706
                    break;
5707
                case 4: /* ftst */
5708
                    gen_helper_fldz_FT0();
5709
                    gen_helper_fcom_ST0_FT0();
5710
                    break;
5711
                case 5: /* fxam */
5712
                    gen_helper_fxam_ST0();
5713
                    break;
5714
                default:
5715
                    goto illegal_op;
5716
                }
5717
                break;
5718
            case 0x0d: /* grp d9/5 */
5719
                {
5720
                    switch(rm) {
5721
                    case 0:
5722
                        gen_helper_fpush();
5723
                        gen_helper_fld1_ST0();
5724
                        break;
5725
                    case 1:
5726
                        gen_helper_fpush();
5727
                        gen_helper_fldl2t_ST0();
5728
                        break;
5729
                    case 2:
5730
                        gen_helper_fpush();
5731
                        gen_helper_fldl2e_ST0();
5732
                        break;
5733
                    case 3:
5734
                        gen_helper_fpush();
5735
                        gen_helper_fldpi_ST0();
5736
                        break;
5737
                    case 4:
5738
                        gen_helper_fpush();
5739
                        gen_helper_fldlg2_ST0();
5740
                        break;
5741
                    case 5:
5742
                        gen_helper_fpush();
5743
                        gen_helper_fldln2_ST0();
5744
                        break;
5745
                    case 6:
5746
                        gen_helper_fpush();
5747
                        gen_helper_fldz_ST0();
5748
                        break;
5749
                    default:
5750
                        goto illegal_op;
5751
                    }
5752
                }
5753
                break;
5754
            case 0x0e: /* grp d9/6 */
5755
                switch(rm) {
5756
                case 0: /* f2xm1 */
5757
                    gen_helper_f2xm1();
5758
                    break;
5759
                case 1: /* fyl2x */
5760
                    gen_helper_fyl2x();
5761
                    break;
5762
                case 2: /* fptan */
5763
                    gen_helper_fptan();
5764
                    break;
5765
                case 3: /* fpatan */
5766
                    gen_helper_fpatan();
5767
                    break;
5768
                case 4: /* fxtract */
5769
                    gen_helper_fxtract();
5770
                    break;
5771
                case 5: /* fprem1 */
5772
                    gen_helper_fprem1();
5773
                    break;
5774
                case 6: /* fdecstp */
5775
                    gen_helper_fdecstp();
5776
                    break;
5777
                default:
5778
                case 7: /* fincstp */
5779
                    gen_helper_fincstp();
5780
                    break;
5781
                }
5782
                break;
5783
            case 0x0f: /* grp d9/7 */
5784
                switch(rm) {
5785
                case 0: /* fprem */
5786
                    gen_helper_fprem();
5787
                    break;
5788
                case 1: /* fyl2xp1 */
5789
                    gen_helper_fyl2xp1();
5790
                    break;
5791
                case 2: /* fsqrt */
5792
                    gen_helper_fsqrt();
5793
                    break;
5794
                case 3: /* fsincos */
5795
                    gen_helper_fsincos();
5796
                    break;
5797
                case 5: /* fscale */
5798
                    gen_helper_fscale();
5799
                    break;
5800
                case 4: /* frndint */
5801
                    gen_helper_frndint();
5802
                    break;
5803
                case 6: /* fsin */
5804
                    gen_helper_fsin();
5805
                    break;
5806
                default:
5807
                case 7: /* fcos */
5808
                    gen_helper_fcos();
5809
                    break;
5810
                }
5811
                break;
5812
            case 0x00: case 0x01: case 0x04 ... 0x07: /* fxxx st, sti */
5813
            case 0x20: case 0x21: case 0x24 ... 0x27: /* fxxx sti, st */
5814
            case 0x30: case 0x31: case 0x34 ... 0x37: /* fxxxp sti, st */
5815
                {
5816
                    int op1;
5817

    
5818
                    op1 = op & 7;
5819
                    if (op >= 0x20) {
5820
                        gen_helper_fp_arith_STN_ST0(op1, opreg);
5821
                        if (op >= 0x30)
5822
                            gen_helper_fpop();
5823
                    } else {
5824
                        gen_helper_fmov_FT0_STN(tcg_const_i32(opreg));
5825
                        gen_helper_fp_arith_ST0_FT0(op1);
5826
                    }
5827
                }
5828
                break;
5829
            case 0x02: /* fcom */
5830
            case 0x22: /* fcom2, undocumented op */
5831
                gen_helper_fmov_FT0_STN(tcg_const_i32(opreg));
5832
                gen_helper_fcom_ST0_FT0();
5833
                break;
5834
            case 0x03: /* fcomp */
5835
            case 0x23: /* fcomp3, undocumented op */
5836
            case 0x32: /* fcomp5, undocumented op */
5837
                gen_helper_fmov_FT0_STN(tcg_const_i32(opreg));
5838
                gen_helper_fcom_ST0_FT0();
5839
                gen_helper_fpop();
5840
                break;
5841
            case 0x15: /* da/5 */
5842
                switch(rm) {
5843
                case 1: /* fucompp */
5844
                    gen_helper_fmov_FT0_STN(tcg_const_i32(1));
5845
                    gen_helper_fucom_ST0_FT0();
5846
                    gen_helper_fpop();
5847
                    gen_helper_fpop();
5848
                    break;
5849
                default:
5850
                    goto illegal_op;
5851
                }
5852
                break;
5853
            case 0x1c:
5854
                switch(rm) {
5855
                case 0: /* feni (287 only, just do nop here) */
5856
                    break;
5857
                case 1: /* fdisi (287 only, just do nop here) */
5858
                    break;
5859
                case 2: /* fclex */
5860
                    gen_helper_fclex();
5861
                    break;
5862
                case 3: /* fninit */
5863
                    gen_helper_fninit();
5864
                    break;
5865
                case 4: /* fsetpm (287 only, just do nop here) */
5866
                    break;
5867
                default:
5868
                    goto illegal_op;
5869
                }
5870
                break;
5871
            case 0x1d: /* fucomi */
5872
                if (s->cc_op != CC_OP_DYNAMIC)
5873
                    gen_op_set_cc_op(s->cc_op);
5874
                gen_helper_fmov_FT0_STN(tcg_const_i32(opreg));
5875
                gen_helper_fucomi_ST0_FT0();
5876
                s->cc_op = CC_OP_EFLAGS;
5877
                break;
5878
            case 0x1e: /* fcomi */
5879
                if (s->cc_op != CC_OP_DYNAMIC)
5880
                    gen_op_set_cc_op(s->cc_op);
5881
                gen_helper_fmov_FT0_STN(tcg_const_i32(opreg));
5882
                gen_helper_fcomi_ST0_FT0();
5883
                s->cc_op = CC_OP_EFLAGS;
5884
                break;
5885
            case 0x28: /* ffree sti */
5886
                gen_helper_ffree_STN(tcg_const_i32(opreg));
5887
                break;
5888
            case 0x2a: /* fst sti */
5889
                gen_helper_fmov_STN_ST0(tcg_const_i32(opreg));
5890
                break;
5891
            case 0x2b: /* fstp sti */
5892
            case 0x0b: /* fstp1 sti, undocumented op */
5893
            case 0x3a: /* fstp8 sti, undocumented op */
5894
            case 0x3b: /* fstp9 sti, undocumented op */
5895
                gen_helper_fmov_STN_ST0(tcg_const_i32(opreg));
5896
                gen_helper_fpop();
5897
                break;
5898
            case 0x2c: /* fucom st(i) */
5899
                gen_helper_fmov_FT0_STN(tcg_const_i32(opreg));
5900
                gen_helper_fucom_ST0_FT0();
5901
                break;
5902
            case 0x2d: /* fucomp st(i) */
5903
                gen_helper_fmov_FT0_STN(tcg_const_i32(opreg));
5904
                gen_helper_fucom_ST0_FT0();
5905
                gen_helper_fpop();
5906
                break;
5907
            case 0x33: /* de/3 */
5908
                switch(rm) {
5909
                case 1: /* fcompp */
5910
                    gen_helper_fmov_FT0_STN(tcg_const_i32(1));
5911
                    gen_helper_fcom_ST0_FT0();
5912
                    gen_helper_fpop();
5913
                    gen_helper_fpop();
5914
                    break;
5915
                default:
5916
                    goto illegal_op;
5917
                }
5918
                break;
5919
            case 0x38: /* ffreep sti, undocumented op */
5920
                gen_helper_ffree_STN(tcg_const_i32(opreg));
5921
                gen_helper_fpop();
5922
                break;
5923
            case 0x3c: /* df/4 */
5924
                switch(rm) {
5925
                case 0:
5926
                    gen_helper_fnstsw(cpu_tmp2_i32);
5927
                    tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
5928
                    gen_op_mov_reg_T0(OT_WORD, R_EAX);
5929
                    break;
5930
                default:
5931
                    goto illegal_op;
5932
                }
5933
                break;
5934
            case 0x3d: /* fucomip */
5935
                if (s->cc_op != CC_OP_DYNAMIC)
5936
                    gen_op_set_cc_op(s->cc_op);
5937
                gen_helper_fmov_FT0_STN(tcg_const_i32(opreg));
5938
                gen_helper_fucomi_ST0_FT0();
5939
                gen_helper_fpop();
5940
                s->cc_op = CC_OP_EFLAGS;
5941
                break;
5942
            case 0x3e: /* fcomip */
5943
                if (s->cc_op != CC_OP_DYNAMIC)
5944
                    gen_op_set_cc_op(s->cc_op);
5945
                gen_helper_fmov_FT0_STN(tcg_const_i32(opreg));
5946
                gen_helper_fcomi_ST0_FT0();
5947
                gen_helper_fpop();
5948
                s->cc_op = CC_OP_EFLAGS;
5949
                break;
5950
            case 0x10 ... 0x13: /* fcmovxx */
5951
            case 0x18 ... 0x1b:
5952
                {
5953
                    int op1, l1;
5954
                    static const uint8_t fcmov_cc[8] = {
5955
                        (JCC_B << 1),
5956
                        (JCC_Z << 1),
5957
                        (JCC_BE << 1),
5958
                        (JCC_P << 1),
5959
                    };
5960
                    op1 = fcmov_cc[op & 3] | (((op >> 3) & 1) ^ 1);
5961
                    l1 = gen_new_label();
5962
                    gen_jcc1(s, s->cc_op, op1, l1);
5963
                    gen_helper_fmov_ST0_STN(tcg_const_i32(opreg));
5964
                    gen_set_label(l1);
5965
                }
5966
                break;
5967
            default:
5968
                goto illegal_op;
5969
            }
5970
        }
5971
        break;
5972
        /************************/
5973
        /* string ops */
5974

    
5975
    case 0xa4: /* movsS */
5976
    case 0xa5:
5977
        if ((b & 1) == 0)
5978
            ot = OT_BYTE;
5979
        else
5980
            ot = dflag + OT_WORD;
5981

    
5982
        if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
5983
            gen_repz_movs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
5984
        } else {
5985
            gen_movs(s, ot);
5986
        }
5987
        break;
5988

    
5989
    case 0xaa: /* stosS */
5990
    case 0xab:
5991
        if ((b & 1) == 0)
5992
            ot = OT_BYTE;
5993
        else
5994
            ot = dflag + OT_WORD;
5995

    
5996
        if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
5997
            gen_repz_stos(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
5998
        } else {
5999
            gen_stos(s, ot);
6000
        }
6001
        break;
6002
    case 0xac: /* lodsS */
6003
    case 0xad:
6004
        if ((b & 1) == 0)
6005
            ot = OT_BYTE;
6006
        else
6007
            ot = dflag + OT_WORD;
6008
        if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
6009
            gen_repz_lods(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
6010
        } else {
6011
            gen_lods(s, ot);
6012
        }
6013
        break;
6014
    case 0xae: /* scasS */
6015
    case 0xaf:
6016
        if ((b & 1) == 0)
6017
            ot = OT_BYTE;
6018
        else
6019
            ot = dflag + OT_WORD;
6020
        if (prefixes & PREFIX_REPNZ) {
6021
            gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1);
6022
        } else if (prefixes & PREFIX_REPZ) {
6023
            gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0);
6024
        } else {
6025
            gen_scas(s, ot);
6026
            s->cc_op = CC_OP_SUBB + ot;
6027
        }
6028
        break;
6029

    
6030
    case 0xa6: /* cmpsS */
6031
    case 0xa7:
6032
        if ((b & 1) == 0)
6033
            ot = OT_BYTE;
6034
        else
6035
            ot = dflag + OT_WORD;
6036
        if (prefixes & PREFIX_REPNZ) {
6037
            gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1);
6038
        } else if (prefixes & PREFIX_REPZ) {
6039
            gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0);
6040
        } else {
6041
            gen_cmps(s, ot);
6042
            s->cc_op = CC_OP_SUBB + ot;
6043
        }
6044
        break;
6045
    case 0x6c: /* insS */
6046
    case 0x6d:
6047
        if ((b & 1) == 0)
6048
            ot = OT_BYTE;
6049
        else
6050
            ot = dflag ? OT_LONG : OT_WORD;
6051
        gen_op_mov_TN_reg(OT_WORD, 0, R_EDX);
6052
        gen_op_andl_T0_ffff();
6053
        gen_check_io(s, ot, pc_start - s->cs_base, 
6054
                     SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes) | 4);
6055
        if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
6056
            gen_repz_ins(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
6057
        } else {
6058
            gen_ins(s, ot);
6059
            if (use_icount) {
6060
                gen_jmp(s, s->pc - s->cs_base);
6061
            }
6062
        }
6063
        break;
6064
    case 0x6e: /* outsS */
6065
    case 0x6f:
6066
        if ((b & 1) == 0)
6067
            ot = OT_BYTE;
6068
        else
6069
            ot = dflag ? OT_LONG : OT_WORD;
6070
        gen_op_mov_TN_reg(OT_WORD, 0, R_EDX);
6071
        gen_op_andl_T0_ffff();
6072
        gen_check_io(s, ot, pc_start - s->cs_base,
6073
                     svm_is_rep(prefixes) | 4);
6074
        if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
6075
            gen_repz_outs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
6076
        } else {
6077
            gen_outs(s, ot);
6078
            if (use_icount) {
6079
                gen_jmp(s, s->pc - s->cs_base);
6080
            }
6081
        }
6082
        break;
6083

    
6084
        /************************/
6085
        /* port I/O */
6086

    
6087
    case 0xe4:
6088
    case 0xe5:
6089
        if ((b & 1) == 0)
6090
            ot = OT_BYTE;
6091
        else
6092
            ot = dflag ? OT_LONG : OT_WORD;
6093
        val = ldub_code(s->pc++);
6094
        gen_op_movl_T0_im(val);
6095
        gen_check_io(s, ot, pc_start - s->cs_base,
6096
                     SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes));
6097
        if (use_icount)
6098
            gen_io_start();
6099
        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
6100
        gen_helper_in_func(ot, cpu_T[1], cpu_tmp2_i32);
6101
        gen_op_mov_reg_T1(ot, R_EAX);
6102
        if (use_icount) {
6103
            gen_io_end();
6104
            gen_jmp(s, s->pc - s->cs_base);
6105
        }
6106
        break;
6107
    case 0xe6:
6108
    case 0xe7:
6109
        if ((b & 1) == 0)
6110
            ot = OT_BYTE;
6111
        else
6112
            ot = dflag ? OT_LONG : OT_WORD;
6113
        val = ldub_code(s->pc++);
6114
        gen_op_movl_T0_im(val);
6115
        gen_check_io(s, ot, pc_start - s->cs_base,
6116
                     svm_is_rep(prefixes));
6117
        gen_op_mov_TN_reg(ot, 1, R_EAX);
6118

    
6119
        if (use_icount)
6120
            gen_io_start();
6121
        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
6122
        tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
6123
        tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[1]);
6124
        gen_helper_out_func(ot, cpu_tmp2_i32, cpu_tmp3_i32);
6125
        if (use_icount) {
6126
            gen_io_end();
6127
            gen_jmp(s, s->pc - s->cs_base);
6128
        }
6129
        break;
6130
    case 0xec:
6131
    case 0xed:
6132
        if ((b & 1) == 0)
6133
            ot = OT_BYTE;
6134
        else
6135
            ot = dflag ? OT_LONG : OT_WORD;
6136
        gen_op_mov_TN_reg(OT_WORD, 0, R_EDX);
6137
        gen_op_andl_T0_ffff();
6138
        gen_check_io(s, ot, pc_start - s->cs_base,
6139
                     SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes));
6140
        if (use_icount)
6141
            gen_io_start();
6142
        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
6143
        gen_helper_in_func(ot, cpu_T[1], cpu_tmp2_i32);
6144
        gen_op_mov_reg_T1(ot, R_EAX);
6145
        if (use_icount) {
6146
            gen_io_end();
6147
            gen_jmp(s, s->pc - s->cs_base);
6148
        }
6149
        break;
6150
    case 0xee:
6151
    case 0xef:
6152
        if ((b & 1) == 0)
6153
            ot = OT_BYTE;
6154
        else
6155
            ot = dflag ? OT_LONG : OT_WORD;
6156
        gen_op_mov_TN_reg(OT_WORD, 0, R_EDX);
6157
        gen_op_andl_T0_ffff();
6158
        gen_check_io(s, ot, pc_start - s->cs_base,
6159
                     svm_is_rep(prefixes));
6160
        gen_op_mov_TN_reg(ot, 1, R_EAX);
6161

    
6162
        if (use_icount)
6163
            gen_io_start();
6164
        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
6165
        tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
6166
        tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[1]);
6167
        gen_helper_out_func(ot, cpu_tmp2_i32, cpu_tmp3_i32);
6168
        if (use_icount) {
6169
            gen_io_end();
6170
            gen_jmp(s, s->pc - s->cs_base);
6171
        }
6172
        break;
6173

    
6174
        /************************/
6175
        /* control */
6176
    case 0xc2: /* ret im */
6177
        val = ldsw_code(s->pc);
6178
        s->pc += 2;
6179
        gen_pop_T0(s);
6180
        if (CODE64(s) && s->dflag)
6181
            s->dflag = 2;
6182
        gen_stack_update(s, val + (2 << s->dflag));
6183
        if (s->dflag == 0)
6184
            gen_op_andl_T0_ffff();
6185
        gen_op_jmp_T0();
6186
        gen_eob(s);
6187
        break;
6188
    case 0xc3: /* ret */
6189
        gen_pop_T0(s);
6190
        gen_pop_update(s);
6191
        if (s->dflag == 0)
6192
            gen_op_andl_T0_ffff();
6193
        gen_op_jmp_T0();
6194
        gen_eob(s);
6195
        break;
6196
    case 0xca: /* lret im */
6197
        val = ldsw_code(s->pc);
6198
        s->pc += 2;
6199
    do_lret:
6200
        if (s->pe && !s->vm86) {
6201
            if (s->cc_op != CC_OP_DYNAMIC)
6202
                gen_op_set_cc_op(s->cc_op);
6203
            gen_jmp_im(pc_start - s->cs_base);
6204
            gen_helper_lret_protected(tcg_const_i32(s->dflag),
6205
                                      tcg_const_i32(val));
6206
        } else {
6207
            gen_stack_A0(s);
6208
            /* pop offset */
6209
            gen_op_ld_T0_A0(1 + s->dflag + s->mem_index);
6210
            if (s->dflag == 0)
6211
                gen_op_andl_T0_ffff();
6212
            /* NOTE: keeping EIP updated is not a problem in case of
6213
               exception */
6214
            gen_op_jmp_T0();
6215
            /* pop selector */
6216
            gen_op_addl_A0_im(2 << s->dflag);
6217
            gen_op_ld_T0_A0(1 + s->dflag + s->mem_index);
6218
            gen_op_movl_seg_T0_vm(R_CS);
6219
            /* add stack offset */
6220
            gen_stack_update(s, val + (4 << s->dflag));
6221
        }
6222
        gen_eob(s);
6223
        break;
6224
    case 0xcb: /* lret */
6225
        val = 0;
6226
        goto do_lret;
6227
    case 0xcf: /* iret */
6228
        gen_svm_check_intercept(s, pc_start, SVM_EXIT_IRET);
6229
        if (!s->pe) {
6230
            /* real mode */
6231
            gen_helper_iret_real(tcg_const_i32(s->dflag));
6232
            s->cc_op = CC_OP_EFLAGS;
6233
        } else if (s->vm86) {
6234
            if (s->iopl != 3) {
6235
                gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
6236
            } else {
6237
                gen_helper_iret_real(tcg_const_i32(s->dflag));
6238
                s->cc_op = CC_OP_EFLAGS;
6239
            }
6240
        } else {
6241
            if (s->cc_op != CC_OP_DYNAMIC)
6242
                gen_op_set_cc_op(s->cc_op);
6243
            gen_jmp_im(pc_start - s->cs_base);
6244
            gen_helper_iret_protected(tcg_const_i32(s->dflag), 
6245
                                      tcg_const_i32(s->pc - s->cs_base));
6246
            s->cc_op = CC_OP_EFLAGS;
6247
        }
6248
        gen_eob(s);
6249
        break;
6250
    case 0xe8: /* call im */
6251
        {
6252
            if (dflag)
6253
                tval = (int32_t)insn_get(s, OT_LONG);
6254
            else
6255
                tval = (int16_t)insn_get(s, OT_WORD);
6256
            next_eip = s->pc - s->cs_base;
6257
            tval += next_eip;
6258
            if (s->dflag == 0)
6259
                tval &= 0xffff;
6260
            else if(!CODE64(s))
6261
                tval &= 0xffffffff;
6262
            gen_movtl_T0_im(next_eip);
6263
            gen_push_T0(s);
6264
            gen_jmp(s, tval);
6265
        }
6266
        break;
6267
    case 0x9a: /* lcall im */
6268
        {
6269
            unsigned int selector, offset;
6270

    
6271
            if (CODE64(s))
6272
                goto illegal_op;
6273
            ot = dflag ? OT_LONG : OT_WORD;
6274
            offset = insn_get(s, ot);
6275
            selector = insn_get(s, OT_WORD);
6276

    
6277
            gen_op_movl_T0_im(selector);
6278
            gen_op_movl_T1_imu(offset);
6279
        }
6280
        goto do_lcall;
6281
    case 0xe9: /* jmp im */
6282
        if (dflag)
6283
            tval = (int32_t)insn_get(s, OT_LONG);
6284
        else
6285
            tval = (int16_t)insn_get(s, OT_WORD);
6286
        tval += s->pc - s->cs_base;
6287
        if (s->dflag == 0)
6288
            tval &= 0xffff;
6289
        else if(!CODE64(s))
6290
            tval &= 0xffffffff;
6291
        gen_jmp(s, tval);
6292
        break;
6293
    case 0xea: /* ljmp im */
6294
        {
6295
            unsigned int selector, offset;
6296

    
6297
            if (CODE64(s))
6298
                goto illegal_op;
6299
            ot = dflag ? OT_LONG : OT_WORD;
6300
            offset = insn_get(s, ot);
6301
            selector = insn_get(s, OT_WORD);
6302

    
6303
            gen_op_movl_T0_im(selector);
6304
            gen_op_movl_T1_imu(offset);
6305
        }
6306
        goto do_ljmp;
6307
    case 0xeb: /* jmp Jb */
6308
        tval = (int8_t)insn_get(s, OT_BYTE);
6309
        tval += s->pc - s->cs_base;
6310
        if (s->dflag == 0)
6311
            tval &= 0xffff;
6312
        gen_jmp(s, tval);
6313
        break;
6314
    case 0x70 ... 0x7f: /* jcc Jb */
6315
        tval = (int8_t)insn_get(s, OT_BYTE);
6316
        goto do_jcc;
6317
    case 0x180 ... 0x18f: /* jcc Jv */
6318
        if (dflag) {
6319
            tval = (int32_t)insn_get(s, OT_LONG);
6320
        } else {
6321
            tval = (int16_t)insn_get(s, OT_WORD);
6322
        }
6323
    do_jcc:
6324
        next_eip = s->pc - s->cs_base;
6325
        tval += next_eip;
6326
        if (s->dflag == 0)
6327
            tval &= 0xffff;
6328
        gen_jcc(s, b, tval, next_eip);
6329
        break;
6330

    
6331
    case 0x190 ... 0x19f: /* setcc Gv */
6332
        modrm = ldub_code(s->pc++);
6333
        gen_setcc(s, b);
6334
        gen_ldst_modrm(s, modrm, OT_BYTE, OR_TMP0, 1);
6335
        break;
6336
    case 0x140 ... 0x14f: /* cmov Gv, Ev */
6337
        {
6338
            int l1;
6339
            TCGv t0;
6340

    
6341
            ot = dflag + OT_WORD;
6342
            modrm = ldub_code(s->pc++);
6343
            reg = ((modrm >> 3) & 7) | rex_r;
6344
            mod = (modrm >> 6) & 3;
6345
            t0 = tcg_temp_local_new();
6346
            if (mod != 3) {
6347
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
6348
                gen_op_ld_v(ot + s->mem_index, t0, cpu_A0);
6349
            } else {
6350
                rm = (modrm & 7) | REX_B(s);
6351
                gen_op_mov_v_reg(ot, t0, rm);
6352
            }
6353
#ifdef TARGET_X86_64
6354
            if (ot == OT_LONG) {
6355
                /* XXX: specific Intel behaviour ? */
6356
                l1 = gen_new_label();
6357
                gen_jcc1(s, s->cc_op, b ^ 1, l1);
6358
                tcg_gen_mov_tl(cpu_regs[reg], t0);
6359
                gen_set_label(l1);
6360
                tcg_gen_ext32u_tl(cpu_regs[reg], cpu_regs[reg]);
6361
            } else
6362
#endif
6363
            {
6364
                l1 = gen_new_label();
6365
                gen_jcc1(s, s->cc_op, b ^ 1, l1);
6366
                gen_op_mov_reg_v(ot, reg, t0);
6367
                gen_set_label(l1);
6368
            }
6369
            tcg_temp_free(t0);
6370
        }
6371
        break;
6372

    
6373
        /************************/
6374
        /* flags */
6375
    case 0x9c: /* pushf */
6376
        gen_svm_check_intercept(s, pc_start, SVM_EXIT_PUSHF);
6377
        if (s->vm86 && s->iopl != 3) {
6378
            gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
6379
        } else {
6380
            if (s->cc_op != CC_OP_DYNAMIC)
6381
                gen_op_set_cc_op(s->cc_op);
6382
            gen_helper_read_eflags(cpu_T[0]);
6383
            gen_push_T0(s);
6384
        }
6385
        break;
6386
    case 0x9d: /* popf */
6387
        gen_svm_check_intercept(s, pc_start, SVM_EXIT_POPF);
6388
        if (s->vm86 && s->iopl != 3) {
6389
            gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
6390
        } else {
6391
            gen_pop_T0(s);
6392
            if (s->cpl == 0) {
6393
                if (s->dflag) {
6394
                    gen_helper_write_eflags(cpu_T[0],
6395
                                       tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK | IOPL_MASK)));
6396
                } else {
6397
                    gen_helper_write_eflags(cpu_T[0],
6398
                                       tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK | IOPL_MASK) & 0xffff));
6399
                }
6400
            } else {
6401
                if (s->cpl <= s->iopl) {
6402
                    if (s->dflag) {
6403
                        gen_helper_write_eflags(cpu_T[0],
6404
                                           tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK)));
6405
                    } else {
6406
                        gen_helper_write_eflags(cpu_T[0],
6407
                                           tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK) & 0xffff));
6408
                    }
6409
                } else {
6410
                    if (s->dflag) {
6411
                        gen_helper_write_eflags(cpu_T[0],
6412
                                           tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK)));
6413
                    } else {
6414
                        gen_helper_write_eflags(cpu_T[0],
6415
                                           tcg_const_i32((TF_MASK | AC_MASK | ID_MASK | NT_MASK) & 0xffff));
6416
                    }
6417
                }
6418
            }
6419
            gen_pop_update(s);
6420
            s->cc_op = CC_OP_EFLAGS;
6421
            /* abort translation because TF flag may change */
6422
            gen_jmp_im(s->pc - s->cs_base);
6423
            gen_eob(s);
6424
        }
6425
        break;
6426
    case 0x9e: /* sahf */
6427
        if (CODE64(s) && !(s->cpuid_ext3_features & CPUID_EXT3_LAHF_LM))
6428
            goto illegal_op;
6429
        gen_op_mov_TN_reg(OT_BYTE, 0, R_AH);
6430
        if (s->cc_op != CC_OP_DYNAMIC)
6431
            gen_op_set_cc_op(s->cc_op);
6432
        gen_compute_eflags(cpu_cc_src);
6433
        tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, CC_O);
6434
        tcg_gen_andi_tl(cpu_T[0], cpu_T[0], CC_S | CC_Z | CC_A | CC_P | CC_C);
6435
        tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_T[0]);
6436
        s->cc_op = CC_OP_EFLAGS;
6437
        break;
6438
    case 0x9f: /* lahf */
6439
        if (CODE64(s) && !(s->cpuid_ext3_features & CPUID_EXT3_LAHF_LM))
6440
            goto illegal_op;
6441
        if (s->cc_op != CC_OP_DYNAMIC)
6442
            gen_op_set_cc_op(s->cc_op);
6443
        gen_compute_eflags(cpu_T[0]);
6444
        /* Note: gen_compute_eflags() only gives the condition codes */
6445
        tcg_gen_ori_tl(cpu_T[0], cpu_T[0], 0x02);
6446
        gen_op_mov_reg_T0(OT_BYTE, R_AH);
6447
        break;
6448
    case 0xf5: /* cmc */
6449
        if (s->cc_op != CC_OP_DYNAMIC)
6450
            gen_op_set_cc_op(s->cc_op);
6451
        gen_compute_eflags(cpu_cc_src);
6452
        tcg_gen_xori_tl(cpu_cc_src, cpu_cc_src, CC_C);
6453
        s->cc_op = CC_OP_EFLAGS;
6454
        break;
6455
    case 0xf8: /* clc */
6456
        if (s->cc_op != CC_OP_DYNAMIC)
6457
            gen_op_set_cc_op(s->cc_op);
6458
        gen_compute_eflags(cpu_cc_src);
6459
        tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~CC_C);
6460
        s->cc_op = CC_OP_EFLAGS;
6461
        break;
6462
    case 0xf9: /* stc */
6463
        if (s->cc_op != CC_OP_DYNAMIC)
6464
            gen_op_set_cc_op(s->cc_op);
6465
        gen_compute_eflags(cpu_cc_src);
6466
        tcg_gen_ori_tl(cpu_cc_src, cpu_cc_src, CC_C);
6467
        s->cc_op = CC_OP_EFLAGS;
6468
        break;
6469
    case 0xfc: /* cld */
6470
        tcg_gen_movi_i32(cpu_tmp2_i32, 1);
6471
        tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, offsetof(CPUState, df));
6472
        break;
6473
    case 0xfd: /* std */
6474
        tcg_gen_movi_i32(cpu_tmp2_i32, -1);
6475
        tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, offsetof(CPUState, df));
6476
        break;
6477

    
6478
        /************************/
6479
        /* bit operations */
6480
    case 0x1ba: /* bt/bts/btr/btc Gv, im */
6481
        ot = dflag + OT_WORD;
6482
        modrm = ldub_code(s->pc++);
6483
        op = (modrm >> 3) & 7;
6484
        mod = (modrm >> 6) & 3;
6485
        rm = (modrm & 7) | REX_B(s);
6486
        if (mod != 3) {
6487
            s->rip_offset = 1;
6488
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
6489
            gen_op_ld_T0_A0(ot + s->mem_index);
6490
        } else {
6491
            gen_op_mov_TN_reg(ot, 0, rm);
6492
        }
6493
        /* load shift */
6494
        val = ldub_code(s->pc++);
6495
        gen_op_movl_T1_im(val);
6496
        if (op < 4)
6497
            goto illegal_op;
6498
        op -= 4;
6499
        goto bt_op;
6500
    case 0x1a3: /* bt Gv, Ev */
6501
        op = 0;
6502
        goto do_btx;
6503
    case 0x1ab: /* bts */
6504
        op = 1;
6505
        goto do_btx;
6506
    case 0x1b3: /* btr */
6507
        op = 2;
6508
        goto do_btx;
6509
    case 0x1bb: /* btc */
6510
        op = 3;
6511
    do_btx:
6512
        ot = dflag + OT_WORD;
6513
        modrm = ldub_code(s->pc++);
6514
        reg = ((modrm >> 3) & 7) | rex_r;
6515
        mod = (modrm >> 6) & 3;
6516
        rm = (modrm & 7) | REX_B(s);
6517
        gen_op_mov_TN_reg(OT_LONG, 1, reg);
6518
        if (mod != 3) {
6519
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
6520
            /* specific case: we need to add a displacement */
6521
            gen_exts(ot, cpu_T[1]);
6522
            tcg_gen_sari_tl(cpu_tmp0, cpu_T[1], 3 + ot);
6523
            tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, ot);
6524
            tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0);
6525
            gen_op_ld_T0_A0(ot + s->mem_index);
6526
        } else {
6527
            gen_op_mov_TN_reg(ot, 0, rm);
6528
        }
6529
    bt_op:
6530
        tcg_gen_andi_tl(cpu_T[1], cpu_T[1], (1 << (3 + ot)) - 1);
6531
        switch(op) {
6532
        case 0:
6533
            tcg_gen_shr_tl(cpu_cc_src, cpu_T[0], cpu_T[1]);
6534
            tcg_gen_movi_tl(cpu_cc_dst, 0);
6535
            break;
6536
        case 1:
6537
            tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_T[1]);
6538
            tcg_gen_movi_tl(cpu_tmp0, 1);
6539
            tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T[1]);
6540
            tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
6541
            break;
6542
        case 2:
6543
            tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_T[1]);
6544
            tcg_gen_movi_tl(cpu_tmp0, 1);
6545
            tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T[1]);
6546
            tcg_gen_not_tl(cpu_tmp0, cpu_tmp0);
6547
            tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
6548
            break;
6549
        default:
6550
        case 3:
6551
            tcg_gen_shr_tl(cpu_tmp4, cpu_T[0], cpu_T[1]);
6552
            tcg_gen_movi_tl(cpu_tmp0, 1);
6553
            tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T[1]);
6554
            tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp0);
6555
            break;
6556
        }
6557
        s->cc_op = CC_OP_SARB + ot;
6558
        if (op != 0) {
6559
            if (mod != 3)
6560
                gen_op_st_T0_A0(ot + s->mem_index);
6561
            else
6562
                gen_op_mov_reg_T0(ot, rm);
6563
            tcg_gen_mov_tl(cpu_cc_src, cpu_tmp4);
6564
            tcg_gen_movi_tl(cpu_cc_dst, 0);
6565
        }
6566
        break;
6567
    case 0x1bc: /* bsf */
6568
    case 0x1bd: /* bsr */
6569
        {
6570
            int label1;
6571
            TCGv t0;
6572

    
6573
            ot = dflag + OT_WORD;
6574
            modrm = ldub_code(s->pc++);
6575
            reg = ((modrm >> 3) & 7) | rex_r;
6576
            gen_ldst_modrm(s,modrm, ot, OR_TMP0, 0);
6577
            gen_extu(ot, cpu_T[0]);
6578
            t0 = tcg_temp_local_new();
6579
            tcg_gen_mov_tl(t0, cpu_T[0]);
6580
            if ((b & 1) && (prefixes & PREFIX_REPZ) &&
6581
                (s->cpuid_ext3_features & CPUID_EXT3_ABM)) {
6582
                switch(ot) {
6583
                case OT_WORD: gen_helper_lzcnt(cpu_T[0], t0,
6584
                    tcg_const_i32(16)); break;
6585
                case OT_LONG: gen_helper_lzcnt(cpu_T[0], t0,
6586
                    tcg_const_i32(32)); break;
6587
                case OT_QUAD: gen_helper_lzcnt(cpu_T[0], t0,
6588
                    tcg_const_i32(64)); break;
6589
                }
6590
                gen_op_mov_reg_T0(ot, reg);
6591
            } else {
6592
                label1 = gen_new_label();
6593
                tcg_gen_movi_tl(cpu_cc_dst, 0);
6594
                tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, label1);
6595
                if (b & 1) {
6596
                    gen_helper_bsr(cpu_T[0], t0);
6597
                } else {
6598
                    gen_helper_bsf(cpu_T[0], t0);
6599
                }
6600
                gen_op_mov_reg_T0(ot, reg);
6601
                tcg_gen_movi_tl(cpu_cc_dst, 1);
6602
                gen_set_label(label1);
6603
                tcg_gen_discard_tl(cpu_cc_src);
6604
                s->cc_op = CC_OP_LOGICB + ot;
6605
            }
6606
            tcg_temp_free(t0);
6607
        }
6608
        break;
6609
        /************************/
6610
        /* bcd */
6611
    case 0x27: /* daa */
6612
        if (CODE64(s))
6613
            goto illegal_op;
6614
        if (s->cc_op != CC_OP_DYNAMIC)
6615
            gen_op_set_cc_op(s->cc_op);
6616
        gen_helper_daa();
6617
        s->cc_op = CC_OP_EFLAGS;
6618
        break;
6619
    case 0x2f: /* das */
6620
        if (CODE64(s))
6621
            goto illegal_op;
6622
        if (s->cc_op != CC_OP_DYNAMIC)
6623
            gen_op_set_cc_op(s->cc_op);
6624
        gen_helper_das();
6625
        s->cc_op = CC_OP_EFLAGS;
6626
        break;
6627
    case 0x37: /* aaa */
6628
        if (CODE64(s))
6629
            goto illegal_op;
6630
        if (s->cc_op != CC_OP_DYNAMIC)
6631
            gen_op_set_cc_op(s->cc_op);
6632
        gen_helper_aaa();
6633
        s->cc_op = CC_OP_EFLAGS;
6634
        break;
6635
    case 0x3f: /* aas */
6636
        if (CODE64(s))
6637
            goto illegal_op;
6638
        if (s->cc_op != CC_OP_DYNAMIC)
6639
            gen_op_set_cc_op(s->cc_op);
6640
        gen_helper_aas();
6641
        s->cc_op = CC_OP_EFLAGS;
6642
        break;
6643
    case 0xd4: /* aam */
6644
        if (CODE64(s))
6645
            goto illegal_op;
6646
        val = ldub_code(s->pc++);
6647
        if (val == 0) {
6648
            gen_exception(s, EXCP00_DIVZ, pc_start - s->cs_base);
6649
        } else {
6650
            gen_helper_aam(tcg_const_i32(val));
6651
            s->cc_op = CC_OP_LOGICB;
6652
        }
6653
        break;
6654
    case 0xd5: /* aad */
6655
        if (CODE64(s))
6656
            goto illegal_op;
6657
        val = ldub_code(s->pc++);
6658
        gen_helper_aad(tcg_const_i32(val));
6659
        s->cc_op = CC_OP_LOGICB;
6660
        break;
6661
        /************************/
6662
        /* misc */
6663
    case 0x90: /* nop */
6664
        /* XXX: xchg + rex handling */
6665
        /* XXX: correct lock test for all insn */
6666
        if (prefixes & PREFIX_LOCK)
6667
            goto illegal_op;
6668
        if (prefixes & PREFIX_REPZ) {
6669
            gen_svm_check_intercept(s, pc_start, SVM_EXIT_PAUSE);
6670
        }
6671
        break;
6672
    case 0x9b: /* fwait */
6673
        if ((s->flags & (HF_MP_MASK | HF_TS_MASK)) ==
6674
            (HF_MP_MASK | HF_TS_MASK)) {
6675
            gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
6676
        } else {
6677
            if (s->cc_op != CC_OP_DYNAMIC)
6678
                gen_op_set_cc_op(s->cc_op);
6679
            gen_jmp_im(pc_start - s->cs_base);
6680
            gen_helper_fwait();
6681
        }
6682
        break;
6683
    case 0xcc: /* int3 */
6684
        gen_interrupt(s, EXCP03_INT3, pc_start - s->cs_base, s->pc - s->cs_base);
6685
        break;
6686
    case 0xcd: /* int N */
6687
        val = ldub_code(s->pc++);
6688
        if (s->vm86 && s->iopl != 3) {
6689
            gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
6690
        } else {
6691
            gen_interrupt(s, val, pc_start - s->cs_base, s->pc - s->cs_base);
6692
        }
6693
        break;
6694
    case 0xce: /* into */
6695
        if (CODE64(s))
6696
            goto illegal_op;
6697
        if (s->cc_op != CC_OP_DYNAMIC)
6698
            gen_op_set_cc_op(s->cc_op);
6699
        gen_jmp_im(pc_start - s->cs_base);
6700
        gen_helper_into(tcg_const_i32(s->pc - pc_start));
6701
        break;
6702
#ifdef WANT_ICEBP
6703
    case 0xf1: /* icebp (undocumented, exits to external debugger) */
6704
        gen_svm_check_intercept(s, pc_start, SVM_EXIT_ICEBP);
6705
#if 1
6706
        gen_debug(s, pc_start - s->cs_base);
6707
#else
6708
        /* start debug */
6709
        tb_flush(cpu_single_env);
6710
        cpu_set_log(CPU_LOG_INT | CPU_LOG_TB_IN_ASM);
6711
#endif
6712
        break;
6713
#endif
6714
    case 0xfa: /* cli */
6715
        if (!s->vm86) {
6716
            if (s->cpl <= s->iopl) {
6717
                gen_helper_cli();
6718
            } else {
6719
                gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
6720
            }
6721
        } else {
6722
            if (s->iopl == 3) {
6723
                gen_helper_cli();
6724
            } else {
6725
                gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
6726
            }
6727
        }
6728
        break;
6729
    case 0xfb: /* sti */
6730
        if (!s->vm86) {
6731
            if (s->cpl <= s->iopl) {
6732
            gen_sti:
6733
                gen_helper_sti();
6734
                /* interruptions are enabled only the first insn after sti */
6735
                /* If several instructions disable interrupts, only the
6736
                   _first_ does it */
6737
                if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK))
6738
                    gen_helper_set_inhibit_irq();
6739
                /* give a chance to handle pending irqs */
6740
                gen_jmp_im(s->pc - s->cs_base);
6741
                gen_eob(s);
6742
            } else {
6743
                gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
6744
            }
6745
        } else {
6746
            if (s->iopl == 3) {
6747
                goto gen_sti;
6748
            } else {
6749
                gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
6750
            }
6751
        }
6752
        break;
6753
    case 0x62: /* bound */
6754
        if (CODE64(s))
6755
            goto illegal_op;
6756
        ot = dflag ? OT_LONG : OT_WORD;
6757
        modrm = ldub_code(s->pc++);
6758
        reg = (modrm >> 3) & 7;
6759
        mod = (modrm >> 6) & 3;
6760
        if (mod == 3)
6761
            goto illegal_op;
6762
        gen_op_mov_TN_reg(ot, 0, reg);
6763
        gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
6764
        gen_jmp_im(pc_start - s->cs_base);
6765
        tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
6766
        if (ot == OT_WORD)
6767
            gen_helper_boundw(cpu_A0, cpu_tmp2_i32);
6768
        else
6769
            gen_helper_boundl(cpu_A0, cpu_tmp2_i32);
6770
        break;
6771
    case 0x1c8 ... 0x1cf: /* bswap reg */
6772
        reg = (b & 7) | REX_B(s);
6773
#ifdef TARGET_X86_64
6774
        if (dflag == 2) {
6775
            gen_op_mov_TN_reg(OT_QUAD, 0, reg);
6776
            tcg_gen_bswap64_i64(cpu_T[0], cpu_T[0]);
6777
            gen_op_mov_reg_T0(OT_QUAD, reg);
6778
        } else
6779
#endif
6780
        {
6781
            gen_op_mov_TN_reg(OT_LONG, 0, reg);
6782
            tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]);
6783
            tcg_gen_bswap32_tl(cpu_T[0], cpu_T[0]);
6784
            gen_op_mov_reg_T0(OT_LONG, reg);
6785
        }
6786
        break;
6787
    case 0xd6: /* salc */
6788
        if (CODE64(s))
6789
            goto illegal_op;
6790
        if (s->cc_op != CC_OP_DYNAMIC)
6791
            gen_op_set_cc_op(s->cc_op);
6792
        gen_compute_eflags_c(cpu_T[0]);
6793
        tcg_gen_neg_tl(cpu_T[0], cpu_T[0]);
6794
        gen_op_mov_reg_T0(OT_BYTE, R_EAX);
6795
        break;
6796
    case 0xe0: /* loopnz */
6797
    case 0xe1: /* loopz */
6798
    case 0xe2: /* loop */
6799
    case 0xe3: /* jecxz */
6800
        {
6801
            int l1, l2, l3;
6802

    
6803
            tval = (int8_t)insn_get(s, OT_BYTE);
6804
            next_eip = s->pc - s->cs_base;
6805
            tval += next_eip;
6806
            if (s->dflag == 0)
6807
                tval &= 0xffff;
6808

    
6809
            l1 = gen_new_label();
6810
            l2 = gen_new_label();
6811
            l3 = gen_new_label();
6812
            b &= 3;
6813
            switch(b) {
6814
            case 0: /* loopnz */
6815
            case 1: /* loopz */
6816
                if (s->cc_op != CC_OP_DYNAMIC)
6817
                    gen_op_set_cc_op(s->cc_op);
6818
                gen_op_add_reg_im(s->aflag, R_ECX, -1);
6819
                gen_op_jz_ecx(s->aflag, l3);
6820
                gen_compute_eflags(cpu_tmp0);
6821
                tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, CC_Z);
6822
                if (b == 0) {
6823
                    tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, l1);
6824
                } else {
6825
                    tcg_gen_brcondi_tl(TCG_COND_NE, cpu_tmp0, 0, l1);
6826
                }
6827
                break;
6828
            case 2: /* loop */
6829
                gen_op_add_reg_im(s->aflag, R_ECX, -1);
6830
                gen_op_jnz_ecx(s->aflag, l1);
6831
                break;
6832
            default:
6833
            case 3: /* jcxz */
6834
                gen_op_jz_ecx(s->aflag, l1);
6835
                break;
6836
            }
6837

    
6838
            gen_set_label(l3);
6839
            gen_jmp_im(next_eip);
6840
            tcg_gen_br(l2);
6841

    
6842
            gen_set_label(l1);
6843
            gen_jmp_im(tval);
6844
            gen_set_label(l2);
6845
            gen_eob(s);
6846
        }
6847
        break;
6848
    case 0x130: /* wrmsr */
6849
    case 0x132: /* rdmsr */
6850
        if (s->cpl != 0) {
6851
            gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
6852
        } else {
6853
            if (s->cc_op != CC_OP_DYNAMIC)
6854
                gen_op_set_cc_op(s->cc_op);
6855
            gen_jmp_im(pc_start - s->cs_base);
6856
            if (b & 2) {
6857
                gen_helper_rdmsr();
6858
            } else {
6859
                gen_helper_wrmsr();
6860
            }
6861
        }
6862
        break;
6863
    case 0x131: /* rdtsc */
6864
        if (s->cc_op != CC_OP_DYNAMIC)
6865
            gen_op_set_cc_op(s->cc_op);
6866
        gen_jmp_im(pc_start - s->cs_base);
6867
        if (use_icount)
6868
            gen_io_start();
6869
        gen_helper_rdtsc();
6870
        if (use_icount) {
6871
            gen_io_end();
6872
            gen_jmp(s, s->pc - s->cs_base);
6873
        }
6874
        break;
6875
    case 0x133: /* rdpmc */
6876
        if (s->cc_op != CC_OP_DYNAMIC)
6877
            gen_op_set_cc_op(s->cc_op);
6878
        gen_jmp_im(pc_start - s->cs_base);
6879
        gen_helper_rdpmc();
6880
        break;
6881
    case 0x134: /* sysenter */
6882
        /* For Intel SYSENTER is valid on 64-bit */
6883
        if (CODE64(s) && cpu_single_env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1)
6884
            goto illegal_op;
6885
        if (!s->pe) {
6886
            gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
6887
        } else {
6888
            if (s->cc_op != CC_OP_DYNAMIC) {
6889
                gen_op_set_cc_op(s->cc_op);
6890
                s->cc_op = CC_OP_DYNAMIC;
6891
            }
6892
            gen_jmp_im(pc_start - s->cs_base);
6893
            gen_helper_sysenter();
6894
            gen_eob(s);
6895
        }
6896
        break;
6897
    case 0x135: /* sysexit */
6898
        /* For Intel SYSEXIT is valid on 64-bit */
6899
        if (CODE64(s) && cpu_single_env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1)
6900
            goto illegal_op;
6901
        if (!s->pe) {
6902
            gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
6903
        } else {
6904
            if (s->cc_op != CC_OP_DYNAMIC) {
6905
                gen_op_set_cc_op(s->cc_op);
6906
                s->cc_op = CC_OP_DYNAMIC;
6907
            }
6908
            gen_jmp_im(pc_start - s->cs_base);
6909
            gen_helper_sysexit(tcg_const_i32(dflag));
6910
            gen_eob(s);
6911
        }
6912
        break;
6913
#ifdef TARGET_X86_64
6914
    case 0x105: /* syscall */
6915
        /* XXX: is it usable in real mode ? */
6916
        if (s->cc_op != CC_OP_DYNAMIC) {
6917
            gen_op_set_cc_op(s->cc_op);
6918
            s->cc_op = CC_OP_DYNAMIC;
6919
        }
6920
        gen_jmp_im(pc_start - s->cs_base);
6921
        gen_helper_syscall(tcg_const_i32(s->pc - pc_start));
6922
        gen_eob(s);
6923
        break;
6924
    case 0x107: /* sysret */
6925
        if (!s->pe) {
6926
            gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
6927
        } else {
6928
            if (s->cc_op != CC_OP_DYNAMIC) {
6929
                gen_op_set_cc_op(s->cc_op);
6930
                s->cc_op = CC_OP_DYNAMIC;
6931
            }
6932
            gen_jmp_im(pc_start - s->cs_base);
6933
            gen_helper_sysret(tcg_const_i32(s->dflag));
6934
            /* condition codes are modified only in long mode */
6935
            if (s->lma)
6936
                s->cc_op = CC_OP_EFLAGS;
6937
            gen_eob(s);
6938
        }
6939
        break;
6940
#endif
6941
    case 0x1a2: /* cpuid */
6942
        if (s->cc_op != CC_OP_DYNAMIC)
6943
            gen_op_set_cc_op(s->cc_op);
6944
        gen_jmp_im(pc_start - s->cs_base);
6945
        gen_helper_cpuid();
6946
        break;
6947
    case 0xf4: /* hlt */
6948
        if (s->cpl != 0) {
6949
            gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
6950
        } else {
6951
            if (s->cc_op != CC_OP_DYNAMIC)
6952
                gen_op_set_cc_op(s->cc_op);
6953
            gen_jmp_im(pc_start - s->cs_base);
6954
            gen_helper_hlt(tcg_const_i32(s->pc - pc_start));
6955
            s->is_jmp = 3;
6956
        }
6957
        break;
6958
    case 0x100:
6959
        modrm = ldub_code(s->pc++);
6960
        mod = (modrm >> 6) & 3;
6961
        op = (modrm >> 3) & 7;
6962
        switch(op) {
6963
        case 0: /* sldt */
6964
            if (!s->pe || s->vm86)
6965
                goto illegal_op;
6966
            gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_READ);
6967
            tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,ldt.selector));
6968
            ot = OT_WORD;
6969
            if (mod == 3)
6970
                ot += s->dflag;
6971
            gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
6972
            break;
6973
        case 2: /* lldt */
6974
            if (!s->pe || s->vm86)
6975
                goto illegal_op;
6976
            if (s->cpl != 0) {
6977
                gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
6978
            } else {
6979
                gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_WRITE);
6980
                gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
6981
                gen_jmp_im(pc_start - s->cs_base);
6982
                tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
6983
                gen_helper_lldt(cpu_tmp2_i32);
6984
            }
6985
            break;
6986
        case 1: /* str */
6987
            if (!s->pe || s->vm86)
6988
                goto illegal_op;
6989
            gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_READ);
6990
            tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,tr.selector));
6991
            ot = OT_WORD;
6992
            if (mod == 3)
6993
                ot += s->dflag;
6994
            gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
6995
            break;
6996
        case 3: /* ltr */
6997
            if (!s->pe || s->vm86)
6998
                goto illegal_op;
6999
            if (s->cpl != 0) {
7000
                gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
7001
            } else {
7002
                gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_WRITE);
7003
                gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
7004
                gen_jmp_im(pc_start - s->cs_base);
7005
                tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
7006
                gen_helper_ltr(cpu_tmp2_i32);
7007
            }
7008
            break;
7009
        case 4: /* verr */
7010
        case 5: /* verw */
7011
            if (!s->pe || s->vm86)
7012
                goto illegal_op;
7013
            gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
7014
            if (s->cc_op != CC_OP_DYNAMIC)
7015
                gen_op_set_cc_op(s->cc_op);
7016
            if (op == 4)
7017
                gen_helper_verr(cpu_T[0]);
7018
            else
7019
                gen_helper_verw(cpu_T[0]);
7020
            s->cc_op = CC_OP_EFLAGS;
7021
            break;
7022
        default:
7023
            goto illegal_op;
7024
        }
7025
        break;
7026
    case 0x101:
7027
        modrm = ldub_code(s->pc++);
7028
        mod = (modrm >> 6) & 3;
7029
        op = (modrm >> 3) & 7;
7030
        rm = modrm & 7;
7031
        switch(op) {
7032
        case 0: /* sgdt */
7033
            if (mod == 3)
7034
                goto illegal_op;
7035
            gen_svm_check_intercept(s, pc_start, SVM_EXIT_GDTR_READ);
7036
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
7037
            tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, gdt.limit));
7038
            gen_op_st_T0_A0(OT_WORD + s->mem_index);
7039
            gen_add_A0_im(s, 2);
7040
            tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, gdt.base));
7041
            if (!s->dflag)
7042
                gen_op_andl_T0_im(0xffffff);
7043
            gen_op_st_T0_A0(CODE64(s) + OT_LONG + s->mem_index);
7044
            break;
7045
        case 1:
7046
            if (mod == 3) {
7047
                switch (rm) {
7048
                case 0: /* monitor */
7049
                    if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) ||
7050
                        s->cpl != 0)
7051
                        goto illegal_op;
7052
                    if (s->cc_op != CC_OP_DYNAMIC)
7053
                        gen_op_set_cc_op(s->cc_op);
7054
                    gen_jmp_im(pc_start - s->cs_base);
7055
#ifdef TARGET_X86_64
7056
                    if (s->aflag == 2) {
7057
                        gen_op_movq_A0_reg(R_EAX);
7058
                    } else
7059
#endif
7060
                    {
7061
                        gen_op_movl_A0_reg(R_EAX);
7062
                        if (s->aflag == 0)
7063
                            gen_op_andl_A0_ffff();
7064
                    }
7065
                    gen_add_A0_ds_seg(s);
7066
                    gen_helper_monitor(cpu_A0);
7067
                    break;
7068
                case 1: /* mwait */
7069
                    if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) ||
7070
                        s->cpl != 0)
7071
                        goto illegal_op;
7072
                    if (s->cc_op != CC_OP_DYNAMIC) {
7073
                        gen_op_set_cc_op(s->cc_op);
7074
                        s->cc_op = CC_OP_DYNAMIC;
7075
                    }
7076
                    gen_jmp_im(pc_start - s->cs_base);
7077
                    gen_helper_mwait(tcg_const_i32(s->pc - pc_start));
7078
                    gen_eob(s);
7079
                    break;
7080
                default:
7081
                    goto illegal_op;
7082
                }
7083
            } else { /* sidt */
7084
                gen_svm_check_intercept(s, pc_start, SVM_EXIT_IDTR_READ);
7085
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
7086
                tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, idt.limit));
7087
                gen_op_st_T0_A0(OT_WORD + s->mem_index);
7088
                gen_add_A0_im(s, 2);
7089
                tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, idt.base));
7090
                if (!s->dflag)
7091
                    gen_op_andl_T0_im(0xffffff);
7092
                gen_op_st_T0_A0(CODE64(s) + OT_LONG + s->mem_index);
7093
            }
7094
            break;
7095
        case 2: /* lgdt */
7096
        case 3: /* lidt */
7097
            if (mod == 3) {
7098
                if (s->cc_op != CC_OP_DYNAMIC)
7099
                    gen_op_set_cc_op(s->cc_op);
7100
                gen_jmp_im(pc_start - s->cs_base);
7101
                switch(rm) {
7102
                case 0: /* VMRUN */
7103
                    if (!(s->flags & HF_SVME_MASK) || !s->pe)
7104
                        goto illegal_op;
7105
                    if (s->cpl != 0) {
7106
                        gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
7107
                        break;
7108
                    } else {
7109
                        gen_helper_vmrun(tcg_const_i32(s->aflag),
7110
                                         tcg_const_i32(s->pc - pc_start));
7111
                        tcg_gen_exit_tb(0);
7112
                        s->is_jmp = 3;
7113
                    }
7114
                    break;
7115
                case 1: /* VMMCALL */
7116
                    if (!(s->flags & HF_SVME_MASK))
7117
                        goto illegal_op;
7118
                    gen_helper_vmmcall();
7119
                    break;
7120
                case 2: /* VMLOAD */
7121
                    if (!(s->flags & HF_SVME_MASK) || !s->pe)
7122
                        goto illegal_op;
7123
                    if (s->cpl != 0) {
7124
                        gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
7125
                        break;
7126
                    } else {
7127
                        gen_helper_vmload(tcg_const_i32(s->aflag));
7128
                    }
7129
                    break;
7130
                case 3: /* VMSAVE */
7131
                    if (!(s->flags & HF_SVME_MASK) || !s->pe)
7132
                        goto illegal_op;
7133
                    if (s->cpl != 0) {
7134
                        gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
7135
                        break;
7136
                    } else {
7137
                        gen_helper_vmsave(tcg_const_i32(s->aflag));
7138
                    }
7139
                    break;
7140
                case 4: /* STGI */
7141
                    if ((!(s->flags & HF_SVME_MASK) &&
7142
                         !(s->cpuid_ext3_features & CPUID_EXT3_SKINIT)) || 
7143
                        !s->pe)
7144
                        goto illegal_op;
7145
                    if (s->cpl != 0) {
7146
                        gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
7147
                        break;
7148
                    } else {
7149
                        gen_helper_stgi();
7150
                    }
7151
                    break;
7152
                case 5: /* CLGI */
7153
                    if (!(s->flags & HF_SVME_MASK) || !s->pe)
7154
                        goto illegal_op;
7155
                    if (s->cpl != 0) {
7156
                        gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
7157
                        break;
7158
                    } else {
7159
                        gen_helper_clgi();
7160
                    }
7161
                    break;
7162
                case 6: /* SKINIT */
7163
                    if ((!(s->flags & HF_SVME_MASK) && 
7164
                         !(s->cpuid_ext3_features & CPUID_EXT3_SKINIT)) || 
7165
                        !s->pe)
7166
                        goto illegal_op;
7167
                    gen_helper_skinit();
7168
                    break;
7169
                case 7: /* INVLPGA */
7170
                    if (!(s->flags & HF_SVME_MASK) || !s->pe)
7171
                        goto illegal_op;
7172
                    if (s->cpl != 0) {
7173
                        gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
7174
                        break;
7175
                    } else {
7176
                        gen_helper_invlpga(tcg_const_i32(s->aflag));
7177
                    }
7178
                    break;
7179
                default:
7180
                    goto illegal_op;
7181
                }
7182
            } else if (s->cpl != 0) {
7183
                gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
7184
            } else {
7185
                gen_svm_check_intercept(s, pc_start,
7186
                                        op==2 ? SVM_EXIT_GDTR_WRITE : SVM_EXIT_IDTR_WRITE);
7187
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
7188
                gen_op_ld_T1_A0(OT_WORD + s->mem_index);
7189
                gen_add_A0_im(s, 2);
7190
                gen_op_ld_T0_A0(CODE64(s) + OT_LONG + s->mem_index);
7191
                if (!s->dflag)
7192
                    gen_op_andl_T0_im(0xffffff);
7193
                if (op == 2) {
7194
                    tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,gdt.base));
7195
                    tcg_gen_st32_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,gdt.limit));
7196
                } else {
7197
                    tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,idt.base));
7198
                    tcg_gen_st32_tl(cpu_T[1], cpu_env, offsetof(CPUX86State,idt.limit));
7199
                }
7200
            }
7201
            break;
7202
        case 4: /* smsw */
7203
            gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_CR0);
7204
#if defined TARGET_X86_64 && defined HOST_WORDS_BIGENDIAN
7205
            tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,cr[0]) + 4);
7206
#else
7207
            tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,cr[0]));
7208
#endif
7209
            gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 1);
7210
            break;
7211
        case 6: /* lmsw */
7212
            if (s->cpl != 0) {
7213
                gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
7214
            } else {
7215
                gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0);
7216
                gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
7217
                gen_helper_lmsw(cpu_T[0]);
7218
                gen_jmp_im(s->pc - s->cs_base);
7219
                gen_eob(s);
7220
            }
7221
            break;
7222
        case 7:
7223
            if (mod != 3) { /* invlpg */
7224
                if (s->cpl != 0) {
7225
                    gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
7226
                } else {
7227
                    if (s->cc_op != CC_OP_DYNAMIC)
7228
                        gen_op_set_cc_op(s->cc_op);
7229
                    gen_jmp_im(pc_start - s->cs_base);
7230
                    gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
7231
                    gen_helper_invlpg(cpu_A0);
7232
                    gen_jmp_im(s->pc - s->cs_base);
7233
                    gen_eob(s);
7234
                }
7235
            } else {
7236
                switch (rm) {
7237
                case 0: /* swapgs */
7238
#ifdef TARGET_X86_64
7239
                    if (CODE64(s)) {
7240
                        if (s->cpl != 0) {
7241
                            gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
7242
                        } else {
7243
                            tcg_gen_ld_tl(cpu_T[0], cpu_env,
7244
                                offsetof(CPUX86State,segs[R_GS].base));
7245
                            tcg_gen_ld_tl(cpu_T[1], cpu_env,
7246
                                offsetof(CPUX86State,kernelgsbase));
7247
                            tcg_gen_st_tl(cpu_T[1], cpu_env,
7248
                                offsetof(CPUX86State,segs[R_GS].base));
7249
                            tcg_gen_st_tl(cpu_T[0], cpu_env,
7250
                                offsetof(CPUX86State,kernelgsbase));
7251
                        }
7252
                    } else
7253
#endif
7254
                    {
7255
                        goto illegal_op;
7256
                    }
7257
                    break;
7258
                case 1: /* rdtscp */
7259
                    if (!(s->cpuid_ext2_features & CPUID_EXT2_RDTSCP))
7260
                        goto illegal_op;
7261
                    if (s->cc_op != CC_OP_DYNAMIC)
7262
                        gen_op_set_cc_op(s->cc_op);
7263
                    gen_jmp_im(pc_start - s->cs_base);
7264
                    if (use_icount)
7265
                        gen_io_start();
7266
                    gen_helper_rdtscp();
7267
                    if (use_icount) {
7268
                        gen_io_end();
7269
                        gen_jmp(s, s->pc - s->cs_base);
7270
                    }
7271
                    break;
7272
                default:
7273
                    goto illegal_op;
7274
                }
7275
            }
7276
            break;
7277
        default:
7278
            goto illegal_op;
7279
        }
7280
        break;
7281
    case 0x108: /* invd */
7282
    case 0x109: /* wbinvd */
7283
        if (s->cpl != 0) {
7284
            gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
7285
        } else {
7286
            gen_svm_check_intercept(s, pc_start, (b & 2) ? SVM_EXIT_INVD : SVM_EXIT_WBINVD);
7287
            /* nothing to do */
7288
        }
7289
        break;
7290
    case 0x63: /* arpl or movslS (x86_64) */
7291
#ifdef TARGET_X86_64
7292
        if (CODE64(s)) {
7293
            int d_ot;
7294
            /* d_ot is the size of destination */
7295
            d_ot = dflag + OT_WORD;
7296

    
7297
            modrm = ldub_code(s->pc++);
7298
            reg = ((modrm >> 3) & 7) | rex_r;
7299
            mod = (modrm >> 6) & 3;
7300
            rm = (modrm & 7) | REX_B(s);
7301

    
7302
            if (mod == 3) {
7303
                gen_op_mov_TN_reg(OT_LONG, 0, rm);
7304
                /* sign extend */
7305
                if (d_ot == OT_QUAD)
7306
                    tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
7307
                gen_op_mov_reg_T0(d_ot, reg);
7308
            } else {
7309
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
7310
                if (d_ot == OT_QUAD) {
7311
                    gen_op_lds_T0_A0(OT_LONG + s->mem_index);
7312
                } else {
7313
                    gen_op_ld_T0_A0(OT_LONG + s->mem_index);
7314
                }
7315
                gen_op_mov_reg_T0(d_ot, reg);
7316
            }
7317
        } else
7318
#endif
7319
        {
7320
            int label1;
7321
            TCGv t0, t1, t2, a0;
7322

    
7323
            if (!s->pe || s->vm86)
7324
                goto illegal_op;
7325
            t0 = tcg_temp_local_new();
7326
            t1 = tcg_temp_local_new();
7327
            t2 = tcg_temp_local_new();
7328
            ot = OT_WORD;
7329
            modrm = ldub_code(s->pc++);
7330
            reg = (modrm >> 3) & 7;
7331
            mod = (modrm >> 6) & 3;
7332
            rm = modrm & 7;
7333
            if (mod != 3) {
7334
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
7335
                gen_op_ld_v(ot + s->mem_index, t0, cpu_A0);
7336
                a0 = tcg_temp_local_new();
7337
                tcg_gen_mov_tl(a0, cpu_A0);
7338
            } else {
7339
                gen_op_mov_v_reg(ot, t0, rm);
7340
                TCGV_UNUSED(a0);
7341
            }
7342
            gen_op_mov_v_reg(ot, t1, reg);
7343
            tcg_gen_andi_tl(cpu_tmp0, t0, 3);
7344
            tcg_gen_andi_tl(t1, t1, 3);
7345
            tcg_gen_movi_tl(t2, 0);
7346
            label1 = gen_new_label();
7347
            tcg_gen_brcond_tl(TCG_COND_GE, cpu_tmp0, t1, label1);
7348
            tcg_gen_andi_tl(t0, t0, ~3);
7349
            tcg_gen_or_tl(t0, t0, t1);
7350
            tcg_gen_movi_tl(t2, CC_Z);
7351
            gen_set_label(label1);
7352
            if (mod != 3) {
7353
                gen_op_st_v(ot + s->mem_index, t0, a0);
7354
                tcg_temp_free(a0);
7355
           } else {
7356
                gen_op_mov_reg_v(ot, rm, t0);
7357
            }
7358
            if (s->cc_op != CC_OP_DYNAMIC)
7359
                gen_op_set_cc_op(s->cc_op);
7360
            gen_compute_eflags(cpu_cc_src);
7361
            tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~CC_Z);
7362
            tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t2);
7363
            s->cc_op = CC_OP_EFLAGS;
7364
            tcg_temp_free(t0);
7365
            tcg_temp_free(t1);
7366
            tcg_temp_free(t2);
7367
        }
7368
        break;
7369
    case 0x102: /* lar */
7370
    case 0x103: /* lsl */
7371
        {
7372
            int label1;
7373
            TCGv t0;
7374
            if (!s->pe || s->vm86)
7375
                goto illegal_op;
7376
            ot = dflag ? OT_LONG : OT_WORD;
7377
            modrm = ldub_code(s->pc++);
7378
            reg = ((modrm >> 3) & 7) | rex_r;
7379
            gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
7380
            t0 = tcg_temp_local_new();
7381
            if (s->cc_op != CC_OP_DYNAMIC)
7382
                gen_op_set_cc_op(s->cc_op);
7383
            if (b == 0x102)
7384
                gen_helper_lar(t0, cpu_T[0]);
7385
            else
7386
                gen_helper_lsl(t0, cpu_T[0]);
7387
            tcg_gen_andi_tl(cpu_tmp0, cpu_cc_src, CC_Z);
7388
            label1 = gen_new_label();
7389
            tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1);
7390
            gen_op_mov_reg_v(ot, reg, t0);
7391
            gen_set_label(label1);
7392
            s->cc_op = CC_OP_EFLAGS;
7393
            tcg_temp_free(t0);
7394
        }
7395
        break;
7396
    case 0x118:
7397
        modrm = ldub_code(s->pc++);
7398
        mod = (modrm >> 6) & 3;
7399
        op = (modrm >> 3) & 7;
7400
        switch(op) {
7401
        case 0: /* prefetchnta */
7402
        case 1: /* prefetchnt0 */
7403
        case 2: /* prefetchnt0 */
7404
        case 3: /* prefetchnt0 */
7405
            if (mod == 3)
7406
                goto illegal_op;
7407
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
7408
            /* nothing more to do */
7409
            break;
7410
        default: /* nop (multi byte) */
7411
            gen_nop_modrm(s, modrm);
7412
            break;
7413
        }
7414
        break;
7415
    case 0x119 ... 0x11f: /* nop (multi byte) */
7416
        modrm = ldub_code(s->pc++);
7417
        gen_nop_modrm(s, modrm);
7418
        break;
7419
    case 0x120: /* mov reg, crN */
7420
    case 0x122: /* mov crN, reg */
7421
        if (s->cpl != 0) {
7422
            gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
7423
        } else {
7424
            modrm = ldub_code(s->pc++);
7425
            if ((modrm & 0xc0) != 0xc0)
7426
                goto illegal_op;
7427
            rm = (modrm & 7) | REX_B(s);
7428
            reg = ((modrm >> 3) & 7) | rex_r;
7429
            if (CODE64(s))
7430
                ot = OT_QUAD;
7431
            else
7432
                ot = OT_LONG;
7433
            if ((prefixes & PREFIX_LOCK) && (reg == 0) &&
7434
                (s->cpuid_ext3_features & CPUID_EXT3_CR8LEG)) {
7435
                reg = 8;
7436
            }
7437
            switch(reg) {
7438
            case 0:
7439
            case 2:
7440
            case 3:
7441
            case 4:
7442
            case 8:
7443
                if (s->cc_op != CC_OP_DYNAMIC)
7444
                    gen_op_set_cc_op(s->cc_op);
7445
                gen_jmp_im(pc_start - s->cs_base);
7446
                if (b & 2) {
7447
                    gen_op_mov_TN_reg(ot, 0, rm);
7448
                    gen_helper_write_crN(tcg_const_i32(reg), cpu_T[0]);
7449
                    gen_jmp_im(s->pc - s->cs_base);
7450
                    gen_eob(s);
7451
                } else {
7452
                    gen_helper_read_crN(cpu_T[0], tcg_const_i32(reg));
7453
                    gen_op_mov_reg_T0(ot, rm);
7454
                }
7455
                break;
7456
            default:
7457
                goto illegal_op;
7458
            }
7459
        }
7460
        break;
7461
    case 0x121: /* mov reg, drN */
7462
    case 0x123: /* mov drN, reg */
7463
        if (s->cpl != 0) {
7464
            gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
7465
        } else {
7466
            modrm = ldub_code(s->pc++);
7467
            if ((modrm & 0xc0) != 0xc0)
7468
                goto illegal_op;
7469
            rm = (modrm & 7) | REX_B(s);
7470
            reg = ((modrm >> 3) & 7) | rex_r;
7471
            if (CODE64(s))
7472
                ot = OT_QUAD;
7473
            else
7474
                ot = OT_LONG;
7475
            /* XXX: do it dynamically with CR4.DE bit */
7476
            if (reg == 4 || reg == 5 || reg >= 8)
7477
                goto illegal_op;
7478
            if (b & 2) {
7479
                gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_DR0 + reg);
7480
                gen_op_mov_TN_reg(ot, 0, rm);
7481
                gen_helper_movl_drN_T0(tcg_const_i32(reg), cpu_T[0]);
7482
                gen_jmp_im(s->pc - s->cs_base);
7483
                gen_eob(s);
7484
            } else {
7485
                gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_DR0 + reg);
7486
                tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,dr[reg]));
7487
                gen_op_mov_reg_T0(ot, rm);
7488
            }
7489
        }
7490
        break;
7491
    case 0x106: /* clts */
7492
        if (s->cpl != 0) {
7493
            gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
7494
        } else {
7495
            gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0);
7496
            gen_helper_clts();
7497
            /* abort block because static cpu state changed */
7498
            gen_jmp_im(s->pc - s->cs_base);
7499
            gen_eob(s);
7500
        }
7501
        break;
7502
    /* MMX/3DNow!/SSE/SSE2/SSE3/SSSE3/SSE4 support */
7503
    case 0x1c3: /* MOVNTI reg, mem */
7504
        if (!(s->cpuid_features & CPUID_SSE2))
7505
            goto illegal_op;
7506
        ot = s->dflag == 2 ? OT_QUAD : OT_LONG;
7507
        modrm = ldub_code(s->pc++);
7508
        mod = (modrm >> 6) & 3;
7509
        if (mod == 3)
7510
            goto illegal_op;
7511
        reg = ((modrm >> 3) & 7) | rex_r;
7512
        /* generate a generic store */
7513
        gen_ldst_modrm(s, modrm, ot, reg, 1);
7514
        break;
7515
    case 0x1ae:
7516
        modrm = ldub_code(s->pc++);
7517
        mod = (modrm >> 6) & 3;
7518
        op = (modrm >> 3) & 7;
7519
        switch(op) {
7520
        case 0: /* fxsave */
7521
            if (mod == 3 || !(s->cpuid_features & CPUID_FXSR) ||
7522
                (s->prefix & PREFIX_LOCK))
7523
                goto illegal_op;
7524
            if ((s->flags & HF_EM_MASK) || (s->flags & HF_TS_MASK)) {
7525
                gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
7526
                break;
7527
            }
7528
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
7529
            if (s->cc_op != CC_OP_DYNAMIC)
7530
                gen_op_set_cc_op(s->cc_op);
7531
            gen_jmp_im(pc_start - s->cs_base);
7532
            gen_helper_fxsave(cpu_A0, tcg_const_i32((s->dflag == 2)));
7533
            break;
7534
        case 1: /* fxrstor */
7535
            if (mod == 3 || !(s->cpuid_features & CPUID_FXSR) ||
7536
                (s->prefix & PREFIX_LOCK))
7537
                goto illegal_op;
7538
            if ((s->flags & HF_EM_MASK) || (s->flags & HF_TS_MASK)) {
7539
                gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
7540
                break;
7541
            }
7542
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
7543
            if (s->cc_op != CC_OP_DYNAMIC)
7544
                gen_op_set_cc_op(s->cc_op);
7545
            gen_jmp_im(pc_start - s->cs_base);
7546
            gen_helper_fxrstor(cpu_A0, tcg_const_i32((s->dflag == 2)));
7547
            break;
7548
        case 2: /* ldmxcsr */
7549
        case 3: /* stmxcsr */
7550
            if (s->flags & HF_TS_MASK) {
7551
                gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
7552
                break;
7553
            }
7554
            if ((s->flags & HF_EM_MASK) || !(s->flags & HF_OSFXSR_MASK) ||
7555
                mod == 3)
7556
                goto illegal_op;
7557
            gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
7558
            if (op == 2) {
7559
                gen_op_ld_T0_A0(OT_LONG + s->mem_index);
7560
                tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, mxcsr));
7561
            } else {
7562
                tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State, mxcsr));
7563
                gen_op_st_T0_A0(OT_LONG + s->mem_index);
7564
            }
7565
            break;
7566
        case 5: /* lfence */
7567
        case 6: /* mfence */
7568
            if ((modrm & 0xc7) != 0xc0 || !(s->cpuid_features & CPUID_SSE))
7569
                goto illegal_op;
7570
            break;
7571
        case 7: /* sfence / clflush */
7572
            if ((modrm & 0xc7) == 0xc0) {
7573
                /* sfence */
7574
                /* XXX: also check for cpuid_ext2_features & CPUID_EXT2_EMMX */
7575
                if (!(s->cpuid_features & CPUID_SSE))
7576
                    goto illegal_op;
7577
            } else {
7578
                /* clflush */
7579
                if (!(s->cpuid_features & CPUID_CLFLUSH))
7580
                    goto illegal_op;
7581
                gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
7582
            }
7583
            break;
7584
        default:
7585
            goto illegal_op;
7586
        }
7587
        break;
7588
    case 0x10d: /* 3DNow! prefetch(w) */
7589
        modrm = ldub_code(s->pc++);
7590
        mod = (modrm >> 6) & 3;
7591
        if (mod == 3)
7592
            goto illegal_op;
7593
        gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
7594
        /* ignore for now */
7595
        break;
7596
    case 0x1aa: /* rsm */
7597
        gen_svm_check_intercept(s, pc_start, SVM_EXIT_RSM);
7598
        if (!(s->flags & HF_SMM_MASK))
7599
            goto illegal_op;
7600
        if (s->cc_op != CC_OP_DYNAMIC) {
7601
            gen_op_set_cc_op(s->cc_op);
7602
            s->cc_op = CC_OP_DYNAMIC;
7603
        }
7604
        gen_jmp_im(s->pc - s->cs_base);
7605
        gen_helper_rsm();
7606
        gen_eob(s);
7607
        break;
7608
    case 0x1b8: /* SSE4.2 popcnt */
7609
        if ((prefixes & (PREFIX_REPZ | PREFIX_LOCK | PREFIX_REPNZ)) !=
7610
             PREFIX_REPZ)
7611
            goto illegal_op;
7612
        if (!(s->cpuid_ext_features & CPUID_EXT_POPCNT))
7613
            goto illegal_op;
7614

    
7615
        modrm = ldub_code(s->pc++);
7616
        reg = ((modrm >> 3) & 7);
7617

    
7618
        if (s->prefix & PREFIX_DATA)
7619
            ot = OT_WORD;
7620
        else if (s->dflag != 2)
7621
            ot = OT_LONG;
7622
        else
7623
            ot = OT_QUAD;
7624

    
7625
        gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
7626
        gen_helper_popcnt(cpu_T[0], cpu_T[0], tcg_const_i32(ot));
7627
        gen_op_mov_reg_T0(ot, reg);
7628

    
7629
        s->cc_op = CC_OP_EFLAGS;
7630
        break;
7631
    case 0x10e ... 0x10f:
7632
        /* 3DNow! instructions, ignore prefixes */
7633
        s->prefix &= ~(PREFIX_REPZ | PREFIX_REPNZ | PREFIX_DATA);
7634
    case 0x110 ... 0x117:
7635
    case 0x128 ... 0x12f:
7636
    case 0x138 ... 0x13a:
7637
    case 0x150 ... 0x179:
7638
    case 0x17c ... 0x17f:
7639
    case 0x1c2:
7640
    case 0x1c4 ... 0x1c6:
7641
    case 0x1d0 ... 0x1fe:
7642
        gen_sse(s, b, pc_start, rex_r);
7643
        break;
7644
    default:
7645
        goto illegal_op;
7646
    }
7647
    /* lock generation */
7648
    if (s->prefix & PREFIX_LOCK)
7649
        gen_helper_unlock();
7650
    return s->pc;
7651
 illegal_op:
7652
    if (s->prefix & PREFIX_LOCK)
7653
        gen_helper_unlock();
7654
    /* XXX: ensure that no lock was generated */
7655
    gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base);
7656
    return s->pc;
7657
}
7658

    
7659
void optimize_flags_init(void)
7660
{
7661
#if TCG_TARGET_REG_BITS == 32
7662
    assert(sizeof(CCTable) == (1 << 3));
7663
#else
7664
    assert(sizeof(CCTable) == (1 << 4));
7665
#endif
7666
    cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
7667
    cpu_cc_op = tcg_global_mem_new_i32(TCG_AREG0,
7668
                                       offsetof(CPUState, cc_op), "cc_op");
7669
    cpu_cc_src = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, cc_src),
7670
                                    "cc_src");
7671
    cpu_cc_dst = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, cc_dst),
7672
                                    "cc_dst");
7673
    cpu_cc_tmp = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, cc_tmp),
7674
                                    "cc_tmp");
7675

    
7676
#ifdef TARGET_X86_64
7677
    cpu_regs[R_EAX] = tcg_global_mem_new_i64(TCG_AREG0,
7678
                                             offsetof(CPUState, regs[R_EAX]), "rax");
7679
    cpu_regs[R_ECX] = tcg_global_mem_new_i64(TCG_AREG0,
7680
                                             offsetof(CPUState, regs[R_ECX]), "rcx");
7681
    cpu_regs[R_EDX] = tcg_global_mem_new_i64(TCG_AREG0,
7682
                                             offsetof(CPUState, regs[R_EDX]), "rdx");
7683
    cpu_regs[R_EBX] = tcg_global_mem_new_i64(TCG_AREG0,
7684
                                             offsetof(CPUState, regs[R_EBX]), "rbx");
7685
    cpu_regs[R_ESP] = tcg_global_mem_new_i64(TCG_AREG0,
7686
                                             offsetof(CPUState, regs[R_ESP]), "rsp");
7687
    cpu_regs[R_EBP] = tcg_global_mem_new_i64(TCG_AREG0,
7688
                                             offsetof(CPUState, regs[R_EBP]), "rbp");
7689
    cpu_regs[R_ESI] = tcg_global_mem_new_i64(TCG_AREG0,
7690
                                             offsetof(CPUState, regs[R_ESI]), "rsi");
7691
    cpu_regs[R_EDI] = tcg_global_mem_new_i64(TCG_AREG0,
7692
                                             offsetof(CPUState, regs[R_EDI]), "rdi");
7693
    cpu_regs[8] = tcg_global_mem_new_i64(TCG_AREG0,
7694
                                         offsetof(CPUState, regs[8]), "r8");
7695
    cpu_regs[9] = tcg_global_mem_new_i64(TCG_AREG0,
7696
                                          offsetof(CPUState, regs[9]), "r9");
7697
    cpu_regs[10] = tcg_global_mem_new_i64(TCG_AREG0,
7698
                                          offsetof(CPUState, regs[10]), "r10");
7699
    cpu_regs[11] = tcg_global_mem_new_i64(TCG_AREG0,
7700
                                          offsetof(CPUState, regs[11]), "r11");
7701
    cpu_regs[12] = tcg_global_mem_new_i64(TCG_AREG0,
7702
                                          offsetof(CPUState, regs[12]), "r12");
7703
    cpu_regs[13] = tcg_global_mem_new_i64(TCG_AREG0,
7704
                                          offsetof(CPUState, regs[13]), "r13");
7705
    cpu_regs[14] = tcg_global_mem_new_i64(TCG_AREG0,
7706
                                          offsetof(CPUState, regs[14]), "r14");
7707
    cpu_regs[15] = tcg_global_mem_new_i64(TCG_AREG0,
7708
                                          offsetof(CPUState, regs[15]), "r15");
7709
#else
7710
    cpu_regs[R_EAX] = tcg_global_mem_new_i32(TCG_AREG0,
7711
                                             offsetof(CPUState, regs[R_EAX]), "eax");
7712
    cpu_regs[R_ECX] = tcg_global_mem_new_i32(TCG_AREG0,
7713
                                             offsetof(CPUState, regs[R_ECX]), "ecx");
7714
    cpu_regs[R_EDX] = tcg_global_mem_new_i32(TCG_AREG0,
7715
                                             offsetof(CPUState, regs[R_EDX]), "edx");
7716
    cpu_regs[R_EBX] = tcg_global_mem_new_i32(TCG_AREG0,
7717
                                             offsetof(CPUState, regs[R_EBX]), "ebx");
7718
    cpu_regs[R_ESP] = tcg_global_mem_new_i32(TCG_AREG0,
7719
                                             offsetof(CPUState, regs[R_ESP]), "esp");
7720
    cpu_regs[R_EBP] = tcg_global_mem_new_i32(TCG_AREG0,
7721
                                             offsetof(CPUState, regs[R_EBP]), "ebp");
7722
    cpu_regs[R_ESI] = tcg_global_mem_new_i32(TCG_AREG0,
7723
                                             offsetof(CPUState, regs[R_ESI]), "esi");
7724
    cpu_regs[R_EDI] = tcg_global_mem_new_i32(TCG_AREG0,
7725
                                             offsetof(CPUState, regs[R_EDI]), "edi");
7726
#endif
7727

    
7728
    /* register helpers */
7729
#define GEN_HELPER 2
7730
#include "helper.h"
7731
}
7732

    
7733
/* generate intermediate code in gen_opc_buf and gen_opparam_buf for
7734
   basic block 'tb'. If search_pc is TRUE, also generate PC
7735
   information for each intermediate instruction. */
7736
static inline void gen_intermediate_code_internal(CPUState *env,
7737
                                                  TranslationBlock *tb,
7738
                                                  int search_pc)
7739
{
7740
    DisasContext dc1, *dc = &dc1;
7741
    target_ulong pc_ptr;
7742
    uint16_t *gen_opc_end;
7743
    CPUBreakpoint *bp;
7744
    int j, lj, cflags;
7745
    uint64_t flags;
7746
    target_ulong pc_start;
7747
    target_ulong cs_base;
7748
    int num_insns;
7749
    int max_insns;
7750

    
7751
    /* generate intermediate code */
7752
    pc_start = tb->pc;
7753
    cs_base = tb->cs_base;
7754
    flags = tb->flags;
7755
    cflags = tb->cflags;
7756

    
7757
    dc->pe = (flags >> HF_PE_SHIFT) & 1;
7758
    dc->code32 = (flags >> HF_CS32_SHIFT) & 1;
7759
    dc->ss32 = (flags >> HF_SS32_SHIFT) & 1;
7760
    dc->addseg = (flags >> HF_ADDSEG_SHIFT) & 1;
7761
    dc->f_st = 0;
7762
    dc->vm86 = (flags >> VM_SHIFT) & 1;
7763
    dc->cpl = (flags >> HF_CPL_SHIFT) & 3;
7764
    dc->iopl = (flags >> IOPL_SHIFT) & 3;
7765
    dc->tf = (flags >> TF_SHIFT) & 1;
7766
    dc->singlestep_enabled = env->singlestep_enabled;
7767
    dc->cc_op = CC_OP_DYNAMIC;
7768
    dc->cs_base = cs_base;
7769
    dc->tb = tb;
7770
    dc->popl_esp_hack = 0;
7771
    /* select memory access functions */
7772
    dc->mem_index = 0;
7773
    if (flags & HF_SOFTMMU_MASK) {
7774
        if (dc->cpl == 3)
7775
            dc->mem_index = 2 * 4;
7776
        else
7777
            dc->mem_index = 1 * 4;
7778
    }
7779
    dc->cpuid_features = env->cpuid_features;
7780
    dc->cpuid_ext_features = env->cpuid_ext_features;
7781
    dc->cpuid_ext2_features = env->cpuid_ext2_features;
7782
    dc->cpuid_ext3_features = env->cpuid_ext3_features;
7783
#ifdef TARGET_X86_64
7784
    dc->lma = (flags >> HF_LMA_SHIFT) & 1;
7785
    dc->code64 = (flags >> HF_CS64_SHIFT) & 1;
7786
#endif
7787
    dc->flags = flags;
7788
    dc->jmp_opt = !(dc->tf || env->singlestep_enabled ||
7789
                    (flags & HF_INHIBIT_IRQ_MASK)
7790
#ifndef CONFIG_SOFTMMU
7791
                    || (flags & HF_SOFTMMU_MASK)
7792
#endif
7793
                    );
7794
#if 0
7795
    /* check addseg logic */
7796
    if (!dc->addseg && (dc->vm86 || !dc->pe || !dc->code32))
7797
        printf("ERROR addseg\n");
7798
#endif
7799

    
7800
    cpu_T[0] = tcg_temp_new();
7801
    cpu_T[1] = tcg_temp_new();
7802
    cpu_A0 = tcg_temp_new();
7803
    cpu_T3 = tcg_temp_new();
7804

    
7805
    cpu_tmp0 = tcg_temp_new();
7806
    cpu_tmp1_i64 = tcg_temp_new_i64();
7807
    cpu_tmp2_i32 = tcg_temp_new_i32();
7808
    cpu_tmp3_i32 = tcg_temp_new_i32();
7809
    cpu_tmp4 = tcg_temp_new();
7810
    cpu_tmp5 = tcg_temp_new();
7811
    cpu_ptr0 = tcg_temp_new_ptr();
7812
    cpu_ptr1 = tcg_temp_new_ptr();
7813

    
7814
    gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
7815

    
7816
    dc->is_jmp = DISAS_NEXT;
7817
    pc_ptr = pc_start;
7818
    lj = -1;
7819
    num_insns = 0;
7820
    max_insns = tb->cflags & CF_COUNT_MASK;
7821
    if (max_insns == 0)
7822
        max_insns = CF_COUNT_MASK;
7823

    
7824
    gen_icount_start();
7825
    for(;;) {
7826
        if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
7827
            QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
7828
                if (bp->pc == pc_ptr &&
7829
                    !((bp->flags & BP_CPU) && (tb->flags & HF_RF_MASK))) {
7830
                    gen_debug(dc, pc_ptr - dc->cs_base);
7831
                    break;
7832
                }
7833
            }
7834
        }
7835
        if (search_pc) {
7836
            j = gen_opc_ptr - gen_opc_buf;
7837
            if (lj < j) {
7838
                lj++;
7839
                while (lj < j)
7840
                    gen_opc_instr_start[lj++] = 0;
7841
            }
7842
            gen_opc_pc[lj] = pc_ptr;
7843
            gen_opc_cc_op[lj] = dc->cc_op;
7844
            gen_opc_instr_start[lj] = 1;
7845
            gen_opc_icount[lj] = num_insns;
7846
        }
7847
        if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
7848
            gen_io_start();
7849

    
7850
        pc_ptr = disas_insn(dc, pc_ptr);
7851
        num_insns++;
7852
        /* stop translation if indicated */
7853
        if (dc->is_jmp)
7854
            break;
7855
        /* if single step mode, we generate only one instruction and
7856
           generate an exception */
7857
        /* if irq were inhibited with HF_INHIBIT_IRQ_MASK, we clear
7858
           the flag and abort the translation to give the irqs a
7859
           change to be happen */
7860
        if (dc->tf || dc->singlestep_enabled ||
7861
            (flags & HF_INHIBIT_IRQ_MASK)) {
7862
            gen_jmp_im(pc_ptr - dc->cs_base);
7863
            gen_eob(dc);
7864
            break;
7865
        }
7866
        /* if too long translation, stop generation too */
7867
        if (gen_opc_ptr >= gen_opc_end ||
7868
            (pc_ptr - pc_start) >= (TARGET_PAGE_SIZE - 32) ||
7869
            num_insns >= max_insns) {
7870
            gen_jmp_im(pc_ptr - dc->cs_base);
7871
            gen_eob(dc);
7872
            break;
7873
        }
7874
        if (singlestep) {
7875
            gen_jmp_im(pc_ptr - dc->cs_base);
7876
            gen_eob(dc);
7877
            break;
7878
        }
7879
    }
7880
    if (tb->cflags & CF_LAST_IO)
7881
        gen_io_end();
7882
    gen_icount_end(tb, num_insns);
7883
    *gen_opc_ptr = INDEX_op_end;
7884
    /* we don't forget to fill the last values */
7885
    if (search_pc) {
7886
        j = gen_opc_ptr - gen_opc_buf;
7887
        lj++;
7888
        while (lj <= j)
7889
            gen_opc_instr_start[lj++] = 0;
7890
    }
7891

    
7892
#ifdef DEBUG_DISAS
7893
    log_cpu_state_mask(CPU_LOG_TB_CPU, env, X86_DUMP_CCOP);
7894
    if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
7895
        int disas_flags;
7896
        qemu_log("----------------\n");
7897
        qemu_log("IN: %s\n", lookup_symbol(pc_start));
7898
#ifdef TARGET_X86_64
7899
        if (dc->code64)
7900
            disas_flags = 2;
7901
        else
7902
#endif
7903
            disas_flags = !dc->code32;
7904
        log_target_disas(pc_start, pc_ptr - pc_start, disas_flags);
7905
        qemu_log("\n");
7906
    }
7907
#endif
7908

    
7909
    if (!search_pc) {
7910
        tb->size = pc_ptr - pc_start;
7911
        tb->icount = num_insns;
7912
    }
7913
}
7914

    
7915
void gen_intermediate_code(CPUState *env, TranslationBlock *tb)
7916
{
7917
    gen_intermediate_code_internal(env, tb, 0);
7918
}
7919

    
7920
void gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb)
7921
{
7922
    gen_intermediate_code_internal(env, tb, 1);
7923
}
7924

    
7925
void gen_pc_load(CPUState *env, TranslationBlock *tb,
7926
                unsigned long searched_pc, int pc_pos, void *puc)
7927
{
7928
    int cc_op;
7929
#ifdef DEBUG_DISAS
7930
    if (qemu_loglevel_mask(CPU_LOG_TB_OP)) {
7931
        int i;
7932
        qemu_log("RESTORE:\n");
7933
        for(i = 0;i <= pc_pos; i++) {
7934
            if (gen_opc_instr_start[i]) {
7935
                qemu_log("0x%04x: " TARGET_FMT_lx "\n", i, gen_opc_pc[i]);
7936
            }
7937
        }
7938
        qemu_log("spc=0x%08lx pc_pos=0x%x eip=" TARGET_FMT_lx " cs_base=%x\n",
7939
                searched_pc, pc_pos, gen_opc_pc[pc_pos] - tb->cs_base,
7940
                (uint32_t)tb->cs_base);
7941
    }
7942
#endif
7943
    env->eip = gen_opc_pc[pc_pos] - tb->cs_base;
7944
    cc_op = gen_opc_cc_op[pc_pos];
7945
    if (cc_op != CC_OP_DYNAMIC)
7946
        env->cc_op = cc_op;
7947
}