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typedef unsigned char uint8_t; |
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typedef unsigned short uint16_t; |
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typedef unsigned int uint32_t; |
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typedef unsigned long long uint64_t; |
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|
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typedef signed char int8_t; |
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typedef signed short int16_t; |
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typedef signed int int32_t; |
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typedef signed long long int64_t; |
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|
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#define NULL 0 |
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|
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#ifdef __i386__
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register int T0 asm("esi"); |
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register int T1 asm("ebx"); |
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register int A0 asm("edi"); |
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register struct CPU86State *env asm("ebp"); |
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#define FORCE_RET() asm volatile ("ret"); |
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#endif
|
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#ifdef __powerpc__
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register int T0 asm("r24"); |
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register int T1 asm("r25"); |
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register int A0 asm("r26"); |
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register struct CPU86State *env asm("r27"); |
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#define FORCE_RET() asm volatile ("blr"); |
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#endif
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#ifdef __arm__
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register int T0 asm("r4"); |
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register int T1 asm("r5"); |
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register int A0 asm("r6"); |
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register struct CPU86State *env asm("r7"); |
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#define FORCE_RET() asm volatile ("mov pc, lr"); |
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#endif
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#ifdef __mips__
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register int T0 asm("s0"); |
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register int T1 asm("s1"); |
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register int A0 asm("s2"); |
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register struct CPU86State *env asm("s3"); |
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#define FORCE_RET() asm volatile ("jr $31"); |
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#endif
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#ifdef __sparc__
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register int T0 asm("l0"); |
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register int T1 asm("l1"); |
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register int A0 asm("l2"); |
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register struct CPU86State *env asm("l3"); |
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#define FORCE_RET() asm volatile ("retl ; nop"); |
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#endif
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#ifndef OPPROTO
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#define OPPROTO
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#endif
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#define xglue(x, y) x ## y |
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#define glue(x, y) xglue(x, y)
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#define EAX (env->regs[R_EAX])
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#define ECX (env->regs[R_ECX])
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#define EDX (env->regs[R_EDX])
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#define EBX (env->regs[R_EBX])
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#define ESP (env->regs[R_ESP])
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#define EBP (env->regs[R_EBP])
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#define ESI (env->regs[R_ESI])
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#define EDI (env->regs[R_EDI])
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#define PC (env->pc)
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#define DF (env->df)
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#define CC_SRC (env->cc_src)
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#define CC_DST (env->cc_dst)
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#define CC_OP (env->cc_op)
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/* float macros */
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#define FT0 (env->ft0)
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#define ST0 (env->fpregs[env->fpstt])
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#define ST(n) (env->fpregs[(env->fpstt + (n)) & 7]) |
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#define ST1 ST(1) |
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extern int __op_param1, __op_param2, __op_param3; |
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#define PARAM1 ((long)(&__op_param1)) |
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#define PARAM2 ((long)(&__op_param2)) |
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#define PARAM3 ((long)(&__op_param3)) |
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#include "cpu-i386.h" |
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typedef struct CCTable { |
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int (*compute_all)(void); /* return all the flags */ |
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int (*compute_c)(void); /* return the C flag */ |
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} CCTable; |
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extern CCTable cc_table[];
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uint8_t parity_table[256] = {
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CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
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0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
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0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
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CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
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0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
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CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
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CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
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0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
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0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
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CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
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CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
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0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
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CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
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0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
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0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
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CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
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0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
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CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
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CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
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0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
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CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
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0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
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0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
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CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
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CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
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0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
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0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
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CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
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0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
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CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
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CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, |
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0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, |
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}; |
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|
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/* modulo 17 table */
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const uint8_t rclw_table[32] = { |
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0, 1, 2, 3, 4, 5, 6, 7, |
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8, 9,10,11,12,13,14,15, |
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16, 0, 1, 2, 3, 4, 5, 6, |
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7, 8, 9,10,11,12,13,14, |
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}; |
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/* modulo 9 table */
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const uint8_t rclb_table[32] = { |
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0, 1, 2, 3, 4, 5, 6, 7, |
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8, 0, 1, 2, 3, 4, 5, 6, |
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7, 8, 0, 1, 2, 3, 4, 5, |
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6, 7, 8, 0, 1, 2, 3, 4, |
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}; |
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#ifdef USE_X86LDOUBLE
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/* an array of Intel 80-bit FP constants, to be loaded via integer ops */
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typedef unsigned short f15ld[5]; |
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const f15ld f15rk[] =
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{ |
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/*0*/ {0x0000,0x0000,0x0000,0x0000,0x0000}, |
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/*1*/ {0x0000,0x0000,0x0000,0x8000,0x3fff}, |
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/*pi*/ {0xc235,0x2168,0xdaa2,0xc90f,0x4000}, |
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/*lg2*/ {0xf799,0xfbcf,0x9a84,0x9a20,0x3ffd}, |
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/*ln2*/ {0x79ac,0xd1cf,0x17f7,0xb172,0x3ffe}, |
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/*l2e*/ {0xf0bc,0x5c17,0x3b29,0xb8aa,0x3fff}, |
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/*l2t*/ {0x8afe,0xcd1b,0x784b,0xd49a,0x4000} |
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}; |
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#else
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/* the same, 64-bit version */
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typedef unsigned short f15ld[4]; |
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const f15ld f15rk[] =
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{ |
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#ifndef WORDS_BIGENDIAN
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/*0*/ {0x0000,0x0000,0x0000,0x0000}, |
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/*1*/ {0x0000,0x0000,0x0000,0x3ff0}, |
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/*pi*/ {0x2d18,0x5444,0x21fb,0x4009}, |
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/*lg2*/ {0x79ff,0x509f,0x4413,0x3fd3}, |
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/*ln2*/ {0x39ef,0xfefa,0x2e42,0x3fe6}, |
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/*l2e*/ {0x82fe,0x652b,0x1547,0x3ff7}, |
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/*l2t*/ {0xa371,0x0979,0x934f,0x400a} |
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#else
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/*0*/ {0x0000,0x0000,0x0000,0x0000}, |
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/*1*/ {0x3ff0,0x0000,0x0000,0x0000}, |
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/*pi*/ {0x4009,0x21fb,0x5444,0x2d18}, |
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/*lg2*/ {0x3fd3,0x4413,0x509f,0x79ff}, |
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/*ln2*/ {0x3fe6,0x2e42,0xfefa,0x39ef}, |
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/*l2e*/ {0x3ff7,0x1547,0x652b,0x82fe}, |
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/*l2t*/ {0x400a,0x934f,0x0979,0xa371} |
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#endif
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}; |
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#endif
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/* n must be a constant to be efficient */
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static inline int lshift(int x, int n) |
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{ |
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if (n >= 0) |
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return x << n;
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else
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return x >> (-n);
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} |
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/* we define the various pieces of code used by the JIT */
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#define REG EAX
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#define REGNAME _EAX
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG ECX
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#define REGNAME _ECX
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG EDX
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#define REGNAME _EDX
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG EBX
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#define REGNAME _EBX
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG ESP
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#define REGNAME _ESP
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG EBP
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#define REGNAME _EBP
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG ESI
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#define REGNAME _ESI
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#include "opreg_template.h" |
230 |
#undef REG
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#undef REGNAME
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#define REG EDI
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#define REGNAME _EDI
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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|
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/* operations */
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|
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void OPPROTO op_addl_T0_T1_cc(void) |
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{ |
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CC_SRC = T0; |
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T0 += T1; |
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CC_DST = T0; |
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} |
247 |
|
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void OPPROTO op_orl_T0_T1_cc(void) |
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{ |
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T0 |= T1; |
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CC_DST = T0; |
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} |
253 |
|
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void OPPROTO op_adcl_T0_T1_cc(void) |
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{ |
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CC_SRC = T0; |
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T0 = T0 + T1 + cc_table[CC_OP].compute_c(); |
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CC_DST = T0; |
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} |
260 |
|
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void OPPROTO op_sbbl_T0_T1_cc(void) |
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{ |
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CC_SRC = T0; |
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T0 = T0 - T1 - cc_table[CC_OP].compute_c(); |
265 |
CC_DST = T0; |
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} |
267 |
|
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void OPPROTO op_andl_T0_T1_cc(void) |
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{ |
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T0 &= T1; |
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CC_DST = T0; |
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} |
273 |
|
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void OPPROTO op_subl_T0_T1_cc(void) |
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{ |
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CC_SRC = T0; |
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T0 -= T1; |
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CC_DST = T0; |
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} |
280 |
|
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void OPPROTO op_xorl_T0_T1_cc(void) |
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{ |
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T0 ^= T1; |
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CC_DST = T0; |
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} |
286 |
|
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void OPPROTO op_cmpl_T0_T1_cc(void) |
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{ |
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CC_SRC = T0; |
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CC_DST = T0 - T1; |
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} |
292 |
|
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void OPPROTO op_notl_T0(void) |
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{ |
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T0 = ~T0; |
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} |
297 |
|
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void OPPROTO op_negl_T0_cc(void) |
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{ |
300 |
CC_SRC = 0;
|
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T0 = -T0; |
302 |
CC_DST = T0; |
303 |
} |
304 |
|
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void OPPROTO op_incl_T0_cc(void) |
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{ |
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T0++; |
308 |
CC_DST = T0; |
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} |
310 |
|
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void OPPROTO op_decl_T0_cc(void) |
312 |
{ |
313 |
T0--; |
314 |
CC_DST = T0; |
315 |
} |
316 |
|
317 |
void OPPROTO op_testl_T0_T1_cc(void) |
318 |
{ |
319 |
CC_SRC = T0; |
320 |
CC_DST = T0 & T1; |
321 |
} |
322 |
|
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/* multiply/divide */
|
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void OPPROTO op_mulb_AL_T0(void) |
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{ |
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unsigned int res; |
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res = (uint8_t)EAX * (uint8_t)T0; |
328 |
EAX = (EAX & 0xffff0000) | res;
|
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CC_SRC = (res & 0xff00);
|
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} |
331 |
|
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void OPPROTO op_imulb_AL_T0(void) |
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{ |
334 |
int res;
|
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res = (int8_t)EAX * (int8_t)T0; |
336 |
EAX = (EAX & 0xffff0000) | (res & 0xffff); |
337 |
CC_SRC = (res != (int8_t)res); |
338 |
} |
339 |
|
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void OPPROTO op_mulw_AX_T0(void) |
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{ |
342 |
unsigned int res; |
343 |
res = (uint16_t)EAX * (uint16_t)T0; |
344 |
EAX = (EAX & 0xffff0000) | (res & 0xffff); |
345 |
EDX = (EDX & 0xffff0000) | ((res >> 16) & 0xffff); |
346 |
CC_SRC = res >> 16;
|
347 |
} |
348 |
|
349 |
void OPPROTO op_imulw_AX_T0(void) |
350 |
{ |
351 |
int res;
|
352 |
res = (int16_t)EAX * (int16_t)T0; |
353 |
EAX = (EAX & 0xffff0000) | (res & 0xffff); |
354 |
EDX = (EDX & 0xffff0000) | ((res >> 16) & 0xffff); |
355 |
CC_SRC = (res != (int16_t)res); |
356 |
} |
357 |
|
358 |
void OPPROTO op_mull_EAX_T0(void) |
359 |
{ |
360 |
uint64_t res; |
361 |
res = (uint64_t)((uint32_t)EAX) * (uint64_t)((uint32_t)T0); |
362 |
EAX = res; |
363 |
EDX = res >> 32;
|
364 |
CC_SRC = res >> 32;
|
365 |
} |
366 |
|
367 |
void OPPROTO op_imull_EAX_T0(void) |
368 |
{ |
369 |
int64_t res; |
370 |
res = (int64_t)((int32_t)EAX) * (int64_t)((int32_t)T0); |
371 |
EAX = res; |
372 |
EDX = res >> 32;
|
373 |
CC_SRC = (res != (int32_t)res); |
374 |
} |
375 |
|
376 |
void OPPROTO op_imulw_T0_T1(void) |
377 |
{ |
378 |
int res;
|
379 |
res = (int16_t)T0 * (int16_t)T1; |
380 |
T0 = res; |
381 |
CC_SRC = (res != (int16_t)res); |
382 |
} |
383 |
|
384 |
void OPPROTO op_imull_T0_T1(void) |
385 |
{ |
386 |
int64_t res; |
387 |
res = (int64_t)((int32_t)EAX) * (int64_t)((int32_t)T1); |
388 |
T0 = res; |
389 |
CC_SRC = (res != (int32_t)res); |
390 |
} |
391 |
|
392 |
/* division, flags are undefined */
|
393 |
/* XXX: add exceptions for overflow & div by zero */
|
394 |
void OPPROTO op_divb_AL_T0(void) |
395 |
{ |
396 |
unsigned int num, den, q, r; |
397 |
|
398 |
num = (EAX & 0xffff);
|
399 |
den = (T0 & 0xff);
|
400 |
q = (num / den) & 0xff;
|
401 |
r = (num % den) & 0xff;
|
402 |
EAX = (EAX & 0xffff0000) | (r << 8) | q; |
403 |
} |
404 |
|
405 |
void OPPROTO op_idivb_AL_T0(void) |
406 |
{ |
407 |
int num, den, q, r;
|
408 |
|
409 |
num = (int16_t)EAX; |
410 |
den = (int8_t)T0; |
411 |
q = (num / den) & 0xff;
|
412 |
r = (num % den) & 0xff;
|
413 |
EAX = (EAX & 0xffff0000) | (r << 8) | q; |
414 |
} |
415 |
|
416 |
void OPPROTO op_divw_AX_T0(void) |
417 |
{ |
418 |
unsigned int num, den, q, r; |
419 |
|
420 |
num = (EAX & 0xffff) | ((EDX & 0xffff) << 16); |
421 |
den = (T0 & 0xffff);
|
422 |
q = (num / den) & 0xffff;
|
423 |
r = (num % den) & 0xffff;
|
424 |
EAX = (EAX & 0xffff0000) | q;
|
425 |
EDX = (EDX & 0xffff0000) | r;
|
426 |
} |
427 |
|
428 |
void OPPROTO op_idivw_AX_T0(void) |
429 |
{ |
430 |
int num, den, q, r;
|
431 |
|
432 |
num = (EAX & 0xffff) | ((EDX & 0xffff) << 16); |
433 |
den = (int16_t)T0; |
434 |
q = (num / den) & 0xffff;
|
435 |
r = (num % den) & 0xffff;
|
436 |
EAX = (EAX & 0xffff0000) | q;
|
437 |
EDX = (EDX & 0xffff0000) | r;
|
438 |
} |
439 |
|
440 |
void OPPROTO op_divl_EAX_T0(void) |
441 |
{ |
442 |
unsigned int den, q, r; |
443 |
uint64_t num; |
444 |
|
445 |
num = EAX | ((uint64_t)EDX << 32);
|
446 |
den = T0; |
447 |
q = (num / den); |
448 |
r = (num % den); |
449 |
EAX = q; |
450 |
EDX = r; |
451 |
} |
452 |
|
453 |
void OPPROTO op_idivl_EAX_T0(void) |
454 |
{ |
455 |
int den, q, r;
|
456 |
int16_t num; |
457 |
|
458 |
num = EAX | ((uint64_t)EDX << 32);
|
459 |
den = (int16_t)T0; |
460 |
q = (num / den); |
461 |
r = (num % den); |
462 |
EAX = q; |
463 |
EDX = r; |
464 |
} |
465 |
|
466 |
/* constant load */
|
467 |
|
468 |
void OPPROTO op1_movl_T0_im(void) |
469 |
{ |
470 |
T0 = PARAM1; |
471 |
} |
472 |
|
473 |
void OPPROTO op1_movl_T1_im(void) |
474 |
{ |
475 |
T1 = PARAM1; |
476 |
} |
477 |
|
478 |
void OPPROTO op1_movl_A0_im(void) |
479 |
{ |
480 |
A0 = PARAM1; |
481 |
} |
482 |
|
483 |
/* memory access */
|
484 |
|
485 |
void OPPROTO op_ldub_T0_A0(void) |
486 |
{ |
487 |
T0 = ldub((uint8_t *)A0); |
488 |
} |
489 |
|
490 |
void OPPROTO op_ldsb_T0_A0(void) |
491 |
{ |
492 |
T0 = ldsb((int8_t *)A0); |
493 |
} |
494 |
|
495 |
void OPPROTO op_lduw_T0_A0(void) |
496 |
{ |
497 |
T0 = lduw((uint8_t *)A0); |
498 |
} |
499 |
|
500 |
void OPPROTO op_ldsw_T0_A0(void) |
501 |
{ |
502 |
T0 = ldsw((int8_t *)A0); |
503 |
} |
504 |
|
505 |
void OPPROTO op_ldl_T0_A0(void) |
506 |
{ |
507 |
T0 = ldl((uint8_t *)A0); |
508 |
} |
509 |
|
510 |
void OPPROTO op_ldub_T1_A0(void) |
511 |
{ |
512 |
T1 = ldub((uint8_t *)A0); |
513 |
} |
514 |
|
515 |
void OPPROTO op_ldsb_T1_A0(void) |
516 |
{ |
517 |
T1 = ldsb((int8_t *)A0); |
518 |
} |
519 |
|
520 |
void OPPROTO op_lduw_T1_A0(void) |
521 |
{ |
522 |
T1 = lduw((uint8_t *)A0); |
523 |
} |
524 |
|
525 |
void OPPROTO op_ldsw_T1_A0(void) |
526 |
{ |
527 |
T1 = ldsw((int8_t *)A0); |
528 |
} |
529 |
|
530 |
void OPPROTO op_ldl_T1_A0(void) |
531 |
{ |
532 |
T1 = ldl((uint8_t *)A0); |
533 |
} |
534 |
|
535 |
void OPPROTO op_stb_T0_A0(void) |
536 |
{ |
537 |
stb((uint8_t *)A0, T0); |
538 |
} |
539 |
|
540 |
void OPPROTO op_stw_T0_A0(void) |
541 |
{ |
542 |
stw((uint8_t *)A0, T0); |
543 |
} |
544 |
|
545 |
void OPPROTO op_stl_T0_A0(void) |
546 |
{ |
547 |
stl((uint8_t *)A0, T0); |
548 |
} |
549 |
|
550 |
/* jumps */
|
551 |
|
552 |
/* indirect jump */
|
553 |
void OPPROTO op_jmp_T0(void) |
554 |
{ |
555 |
PC = T0; |
556 |
} |
557 |
|
558 |
void OPPROTO op_jmp_im(void) |
559 |
{ |
560 |
PC = PARAM1; |
561 |
} |
562 |
|
563 |
/* string ops */
|
564 |
|
565 |
#define ldul ldl
|
566 |
|
567 |
#define SHIFT 0 |
568 |
#include "ops_template.h" |
569 |
#undef SHIFT
|
570 |
|
571 |
#define SHIFT 1 |
572 |
#include "ops_template.h" |
573 |
#undef SHIFT
|
574 |
|
575 |
#define SHIFT 2 |
576 |
#include "ops_template.h" |
577 |
#undef SHIFT
|
578 |
|
579 |
/* sign extend */
|
580 |
|
581 |
void OPPROTO op_movsbl_T0_T0(void) |
582 |
{ |
583 |
T0 = (int8_t)T0; |
584 |
} |
585 |
|
586 |
void OPPROTO op_movzbl_T0_T0(void) |
587 |
{ |
588 |
T0 = (uint8_t)T0; |
589 |
} |
590 |
|
591 |
void OPPROTO op_movswl_T0_T0(void) |
592 |
{ |
593 |
T0 = (int16_t)T0; |
594 |
} |
595 |
|
596 |
void OPPROTO op_movzwl_T0_T0(void) |
597 |
{ |
598 |
T0 = (uint16_t)T0; |
599 |
} |
600 |
|
601 |
void OPPROTO op_movswl_EAX_AX(void) |
602 |
{ |
603 |
EAX = (int16_t)EAX; |
604 |
} |
605 |
|
606 |
void OPPROTO op_movsbw_AX_AL(void) |
607 |
{ |
608 |
EAX = (EAX & 0xffff0000) | ((int8_t)EAX & 0xffff); |
609 |
} |
610 |
|
611 |
void OPPROTO op_movslq_EDX_EAX(void) |
612 |
{ |
613 |
EDX = (int32_t)EAX >> 31;
|
614 |
} |
615 |
|
616 |
void OPPROTO op_movswl_DX_AX(void) |
617 |
{ |
618 |
EDX = (EDX & 0xffff0000) | (((int16_t)EAX >> 15) & 0xffff); |
619 |
} |
620 |
|
621 |
/* push/pop */
|
622 |
/* XXX: add 16 bit operand/16 bit seg variants */
|
623 |
|
624 |
void op_pushl_T0(void) |
625 |
{ |
626 |
uint32_t offset; |
627 |
offset = ESP - 4;
|
628 |
stl((void *)offset, T0);
|
629 |
/* modify ESP after to handle exceptions correctly */
|
630 |
ESP = offset; |
631 |
} |
632 |
|
633 |
void op_pushl_T1(void) |
634 |
{ |
635 |
uint32_t offset; |
636 |
offset = ESP - 4;
|
637 |
stl((void *)offset, T1);
|
638 |
/* modify ESP after to handle exceptions correctly */
|
639 |
ESP = offset; |
640 |
} |
641 |
|
642 |
void op_popl_T0(void) |
643 |
{ |
644 |
T0 = ldl((void *)ESP);
|
645 |
ESP += 4;
|
646 |
} |
647 |
|
648 |
void op_addl_ESP_im(void) |
649 |
{ |
650 |
ESP += PARAM1; |
651 |
} |
652 |
|
653 |
/* flags handling */
|
654 |
|
655 |
/* slow jumps cases (compute x86 flags) */
|
656 |
void OPPROTO op_jo_cc(void) |
657 |
{ |
658 |
int eflags;
|
659 |
eflags = cc_table[CC_OP].compute_all(); |
660 |
if (eflags & CC_O)
|
661 |
PC += PARAM1; |
662 |
else
|
663 |
PC += PARAM2; |
664 |
} |
665 |
|
666 |
void OPPROTO op_jb_cc(void) |
667 |
{ |
668 |
if (cc_table[CC_OP].compute_c())
|
669 |
PC += PARAM1; |
670 |
else
|
671 |
PC += PARAM2; |
672 |
} |
673 |
|
674 |
void OPPROTO op_jz_cc(void) |
675 |
{ |
676 |
int eflags;
|
677 |
eflags = cc_table[CC_OP].compute_all(); |
678 |
if (eflags & CC_Z)
|
679 |
PC += PARAM1; |
680 |
else
|
681 |
PC += PARAM2; |
682 |
} |
683 |
|
684 |
void OPPROTO op_jbe_cc(void) |
685 |
{ |
686 |
int eflags;
|
687 |
eflags = cc_table[CC_OP].compute_all(); |
688 |
if (eflags & (CC_Z | CC_C))
|
689 |
PC += PARAM1; |
690 |
else
|
691 |
PC += PARAM2; |
692 |
} |
693 |
|
694 |
void OPPROTO op_js_cc(void) |
695 |
{ |
696 |
int eflags;
|
697 |
eflags = cc_table[CC_OP].compute_all(); |
698 |
if (eflags & CC_S)
|
699 |
PC += PARAM1; |
700 |
else
|
701 |
PC += PARAM2; |
702 |
} |
703 |
|
704 |
void OPPROTO op_jp_cc(void) |
705 |
{ |
706 |
int eflags;
|
707 |
eflags = cc_table[CC_OP].compute_all(); |
708 |
if (eflags & CC_P)
|
709 |
PC += PARAM1; |
710 |
else
|
711 |
PC += PARAM2; |
712 |
} |
713 |
|
714 |
void OPPROTO op_jl_cc(void) |
715 |
{ |
716 |
int eflags;
|
717 |
eflags = cc_table[CC_OP].compute_all(); |
718 |
if ((eflags ^ (eflags >> 4)) & 0x80) |
719 |
PC += PARAM1; |
720 |
else
|
721 |
PC += PARAM2; |
722 |
} |
723 |
|
724 |
void OPPROTO op_jle_cc(void) |
725 |
{ |
726 |
int eflags;
|
727 |
eflags = cc_table[CC_OP].compute_all(); |
728 |
if (((eflags ^ (eflags >> 4)) & 0x80) || (eflags & CC_Z)) |
729 |
PC += PARAM1; |
730 |
else
|
731 |
PC += PARAM2; |
732 |
} |
733 |
|
734 |
/* slow set cases (compute x86 flags) */
|
735 |
void OPPROTO op_seto_T0_cc(void) |
736 |
{ |
737 |
int eflags;
|
738 |
eflags = cc_table[CC_OP].compute_all(); |
739 |
T0 = (eflags >> 11) & 1; |
740 |
} |
741 |
|
742 |
void OPPROTO op_setb_T0_cc(void) |
743 |
{ |
744 |
T0 = cc_table[CC_OP].compute_c(); |
745 |
} |
746 |
|
747 |
void OPPROTO op_setz_T0_cc(void) |
748 |
{ |
749 |
int eflags;
|
750 |
eflags = cc_table[CC_OP].compute_all(); |
751 |
T0 = (eflags >> 6) & 1; |
752 |
} |
753 |
|
754 |
void OPPROTO op_setbe_T0_cc(void) |
755 |
{ |
756 |
int eflags;
|
757 |
eflags = cc_table[CC_OP].compute_all(); |
758 |
T0 = (eflags & (CC_Z | CC_C)) != 0;
|
759 |
} |
760 |
|
761 |
void OPPROTO op_sets_T0_cc(void) |
762 |
{ |
763 |
int eflags;
|
764 |
eflags = cc_table[CC_OP].compute_all(); |
765 |
T0 = (eflags >> 7) & 1; |
766 |
} |
767 |
|
768 |
void OPPROTO op_setp_T0_cc(void) |
769 |
{ |
770 |
int eflags;
|
771 |
eflags = cc_table[CC_OP].compute_all(); |
772 |
T0 = (eflags >> 2) & 1; |
773 |
} |
774 |
|
775 |
void OPPROTO op_setl_T0_cc(void) |
776 |
{ |
777 |
int eflags;
|
778 |
eflags = cc_table[CC_OP].compute_all(); |
779 |
T0 = ((eflags ^ (eflags >> 4)) >> 7) & 1; |
780 |
} |
781 |
|
782 |
void OPPROTO op_setle_T0_cc(void) |
783 |
{ |
784 |
int eflags;
|
785 |
eflags = cc_table[CC_OP].compute_all(); |
786 |
T0 = (((eflags ^ (eflags >> 4)) & 0x80) || (eflags & CC_Z)) != 0; |
787 |
} |
788 |
|
789 |
void OPPROTO op_xor_T0_1(void) |
790 |
{ |
791 |
T0 ^= 1;
|
792 |
} |
793 |
|
794 |
void OPPROTO op_set_cc_op(void) |
795 |
{ |
796 |
CC_OP = PARAM1; |
797 |
} |
798 |
|
799 |
void OPPROTO op_movl_eflags_T0(void) |
800 |
{ |
801 |
CC_SRC = T0; |
802 |
DF = 1 - (2 * ((T0 >> 10) & 1)); |
803 |
} |
804 |
|
805 |
/* XXX: compute only O flag */
|
806 |
void OPPROTO op_movb_eflags_T0(void) |
807 |
{ |
808 |
int of;
|
809 |
of = cc_table[CC_OP].compute_all() & CC_O; |
810 |
CC_SRC = T0 | of; |
811 |
} |
812 |
|
813 |
void OPPROTO op_movl_T0_eflags(void) |
814 |
{ |
815 |
T0 = cc_table[CC_OP].compute_all(); |
816 |
T0 |= (DF & DIRECTION_FLAG); |
817 |
} |
818 |
|
819 |
void OPPROTO op_cld(void) |
820 |
{ |
821 |
DF = 1;
|
822 |
} |
823 |
|
824 |
void OPPROTO op_std(void) |
825 |
{ |
826 |
DF = -1;
|
827 |
} |
828 |
|
829 |
void OPPROTO op_clc(void) |
830 |
{ |
831 |
int eflags;
|
832 |
eflags = cc_table[CC_OP].compute_all(); |
833 |
eflags &= ~CC_C; |
834 |
CC_SRC = eflags; |
835 |
} |
836 |
|
837 |
void OPPROTO op_stc(void) |
838 |
{ |
839 |
int eflags;
|
840 |
eflags = cc_table[CC_OP].compute_all(); |
841 |
eflags |= CC_C; |
842 |
CC_SRC = eflags; |
843 |
} |
844 |
|
845 |
void OPPROTO op_cmc(void) |
846 |
{ |
847 |
int eflags;
|
848 |
eflags = cc_table[CC_OP].compute_all(); |
849 |
eflags ^= CC_C; |
850 |
CC_SRC = eflags; |
851 |
} |
852 |
|
853 |
static int compute_all_eflags(void) |
854 |
{ |
855 |
return CC_SRC;
|
856 |
} |
857 |
|
858 |
static int compute_c_eflags(void) |
859 |
{ |
860 |
return CC_SRC & CC_C;
|
861 |
} |
862 |
|
863 |
static int compute_c_mul(void) |
864 |
{ |
865 |
int cf;
|
866 |
cf = (CC_SRC != 0);
|
867 |
return cf;
|
868 |
} |
869 |
|
870 |
static int compute_all_mul(void) |
871 |
{ |
872 |
int cf, pf, af, zf, sf, of;
|
873 |
cf = (CC_SRC != 0);
|
874 |
pf = 0; /* undefined */ |
875 |
af = 0; /* undefined */ |
876 |
zf = 0; /* undefined */ |
877 |
sf = 0; /* undefined */ |
878 |
of = cf << 11;
|
879 |
return cf | pf | af | zf | sf | of;
|
880 |
} |
881 |
|
882 |
CCTable cc_table[CC_OP_NB] = { |
883 |
[CC_OP_DYNAMIC] = { /* should never happen */ },
|
884 |
|
885 |
[CC_OP_EFLAGS] = { compute_all_eflags, compute_c_eflags }, |
886 |
|
887 |
[CC_OP_MUL] = { compute_all_mul, compute_c_mul }, |
888 |
|
889 |
[CC_OP_ADDB] = { compute_all_addb, compute_c_addb }, |
890 |
[CC_OP_ADDW] = { compute_all_addw, compute_c_addw }, |
891 |
[CC_OP_ADDL] = { compute_all_addl, compute_c_addl }, |
892 |
|
893 |
[CC_OP_SUBB] = { compute_all_subb, compute_c_subb }, |
894 |
[CC_OP_SUBW] = { compute_all_subw, compute_c_subw }, |
895 |
[CC_OP_SUBL] = { compute_all_subl, compute_c_subl }, |
896 |
|
897 |
[CC_OP_LOGICB] = { compute_all_logicb, compute_c_logicb }, |
898 |
[CC_OP_LOGICW] = { compute_all_logicw, compute_c_logicw }, |
899 |
[CC_OP_LOGICL] = { compute_all_logicl, compute_c_logicl }, |
900 |
|
901 |
[CC_OP_INCB] = { compute_all_incb, compute_c_incb }, |
902 |
[CC_OP_INCW] = { compute_all_incw, compute_c_incw }, |
903 |
[CC_OP_INCL] = { compute_all_incl, compute_c_incl }, |
904 |
|
905 |
[CC_OP_DECB] = { compute_all_decb, compute_c_incb }, |
906 |
[CC_OP_DECW] = { compute_all_decw, compute_c_incw }, |
907 |
[CC_OP_DECL] = { compute_all_decl, compute_c_incl }, |
908 |
|
909 |
[CC_OP_SHLB] = { compute_all_shlb, compute_c_shlb }, |
910 |
[CC_OP_SHLW] = { compute_all_shlw, compute_c_shlw }, |
911 |
[CC_OP_SHLL] = { compute_all_shll, compute_c_shll }, |
912 |
}; |
913 |
|
914 |
/* floating point support */
|
915 |
|
916 |
#ifdef USE_X86LDOUBLE
|
917 |
/* use long double functions */
|
918 |
#define lrint lrintl
|
919 |
#define llrint llrintl
|
920 |
#define fabs fabsl
|
921 |
#define sin sinl
|
922 |
#define cos cosl
|
923 |
#define sqrt sqrtl
|
924 |
#define pow powl
|
925 |
#define log logl
|
926 |
#define tan tanl
|
927 |
#define atan2 atan2l
|
928 |
#define floor floorl
|
929 |
#define ceil ceill
|
930 |
#define rint rintl
|
931 |
#endif
|
932 |
|
933 |
extern int lrint(CPU86_LDouble x); |
934 |
extern int64_t llrint(CPU86_LDouble x);
|
935 |
extern CPU86_LDouble fabs(CPU86_LDouble x);
|
936 |
extern CPU86_LDouble sin(CPU86_LDouble x);
|
937 |
extern CPU86_LDouble cos(CPU86_LDouble x);
|
938 |
extern CPU86_LDouble sqrt(CPU86_LDouble x);
|
939 |
extern CPU86_LDouble pow(CPU86_LDouble, CPU86_LDouble);
|
940 |
extern CPU86_LDouble log(CPU86_LDouble x);
|
941 |
extern CPU86_LDouble tan(CPU86_LDouble x);
|
942 |
extern CPU86_LDouble atan2(CPU86_LDouble, CPU86_LDouble);
|
943 |
extern CPU86_LDouble floor(CPU86_LDouble x);
|
944 |
extern CPU86_LDouble ceil(CPU86_LDouble x);
|
945 |
extern CPU86_LDouble rint(CPU86_LDouble x);
|
946 |
|
947 |
#define RC_MASK 0xc00 |
948 |
#define RC_NEAR 0x000 |
949 |
#define RC_DOWN 0x400 |
950 |
#define RC_UP 0x800 |
951 |
#define RC_CHOP 0xc00 |
952 |
|
953 |
#define MAXTAN 9223372036854775808.0 |
954 |
|
955 |
#ifdef USE_X86LDOUBLE
|
956 |
|
957 |
/* only for x86 */
|
958 |
typedef union { |
959 |
long double d; |
960 |
struct {
|
961 |
unsigned long long lower; |
962 |
unsigned short upper; |
963 |
} l; |
964 |
} CPU86_LDoubleU; |
965 |
|
966 |
/* the following deal with x86 long double-precision numbers */
|
967 |
#define MAXEXPD 0x7fff |
968 |
#define EXPBIAS 16383 |
969 |
#define EXPD(fp) (fp.l.upper & 0x7fff) |
970 |
#define SIGND(fp) ((fp.l.upper) & 0x8000) |
971 |
#define MANTD(fp) (fp.l.lower)
|
972 |
#define BIASEXPONENT(fp) fp.l.upper = (fp.l.upper & ~(0x7fff)) | EXPBIAS |
973 |
|
974 |
#else
|
975 |
|
976 |
typedef {
|
977 |
double d;
|
978 |
#ifndef WORDS_BIGENDIAN
|
979 |
struct {
|
980 |
unsigned long lower; |
981 |
long upper;
|
982 |
} l; |
983 |
#else
|
984 |
struct {
|
985 |
long upper;
|
986 |
unsigned long lower; |
987 |
} l; |
988 |
#endif
|
989 |
long long ll; |
990 |
} CPU86_LDoubleU; |
991 |
|
992 |
/* the following deal with IEEE double-precision numbers */
|
993 |
#define MAXEXPD 0x7ff |
994 |
#define EXPBIAS 1023 |
995 |
#define EXPD(fp) (((fp.l.upper) >> 20) & 0x7FF) |
996 |
#define SIGND(fp) ((fp.l.upper) & 0x80000000) |
997 |
#define MANTD(fp) (fp.ll & ((1LL << 52) - 1)) |
998 |
#define BIASEXPONENT(fp) fp.l.upper = (fp.l.upper & ~(0x7ff << 20)) | (EXPBIAS << 20) |
999 |
#endif
|
1000 |
|
1001 |
/* fp load FT0 */
|
1002 |
|
1003 |
void OPPROTO op_flds_FT0_A0(void) |
1004 |
{ |
1005 |
FT0 = ldfl((void *)A0);
|
1006 |
} |
1007 |
|
1008 |
void OPPROTO op_fldl_FT0_A0(void) |
1009 |
{ |
1010 |
FT0 = ldfq((void *)A0);
|
1011 |
} |
1012 |
|
1013 |
void OPPROTO op_fild_FT0_A0(void) |
1014 |
{ |
1015 |
FT0 = (CPU86_LDouble)ldsw((void *)A0);
|
1016 |
} |
1017 |
|
1018 |
void OPPROTO op_fildl_FT0_A0(void) |
1019 |
{ |
1020 |
FT0 = (CPU86_LDouble)((int32_t)ldl((void *)A0));
|
1021 |
} |
1022 |
|
1023 |
void OPPROTO op_fildll_FT0_A0(void) |
1024 |
{ |
1025 |
FT0 = (CPU86_LDouble)((int64_t)ldq((void *)A0));
|
1026 |
} |
1027 |
|
1028 |
/* fp load ST0 */
|
1029 |
|
1030 |
void OPPROTO op_flds_ST0_A0(void) |
1031 |
{ |
1032 |
ST0 = ldfl((void *)A0);
|
1033 |
} |
1034 |
|
1035 |
void OPPROTO op_fldl_ST0_A0(void) |
1036 |
{ |
1037 |
ST0 = ldfq((void *)A0);
|
1038 |
} |
1039 |
|
1040 |
void OPPROTO op_fild_ST0_A0(void) |
1041 |
{ |
1042 |
ST0 = (CPU86_LDouble)ldsw((void *)A0);
|
1043 |
} |
1044 |
|
1045 |
void OPPROTO op_fildl_ST0_A0(void) |
1046 |
{ |
1047 |
ST0 = (CPU86_LDouble)((int32_t)ldl((void *)A0));
|
1048 |
} |
1049 |
|
1050 |
void OPPROTO op_fildll_ST0_A0(void) |
1051 |
{ |
1052 |
ST0 = (CPU86_LDouble)((int64_t)ldq((void *)A0));
|
1053 |
} |
1054 |
|
1055 |
/* fp store */
|
1056 |
|
1057 |
void OPPROTO op_fsts_ST0_A0(void) |
1058 |
{ |
1059 |
stfl((void *)A0, (float)ST0); |
1060 |
} |
1061 |
|
1062 |
void OPPROTO op_fstl_ST0_A0(void) |
1063 |
{ |
1064 |
ST0 = ldfq((void *)A0);
|
1065 |
} |
1066 |
|
1067 |
void OPPROTO op_fist_ST0_A0(void) |
1068 |
{ |
1069 |
int val;
|
1070 |
val = lrint(ST0); |
1071 |
stw((void *)A0, val);
|
1072 |
} |
1073 |
|
1074 |
void OPPROTO op_fistl_ST0_A0(void) |
1075 |
{ |
1076 |
int val;
|
1077 |
val = lrint(ST0); |
1078 |
stl((void *)A0, val);
|
1079 |
} |
1080 |
|
1081 |
void OPPROTO op_fistll_ST0_A0(void) |
1082 |
{ |
1083 |
int64_t val; |
1084 |
val = llrint(ST0); |
1085 |
stq((void *)A0, val);
|
1086 |
} |
1087 |
|
1088 |
/* FPU move */
|
1089 |
|
1090 |
static inline void fpush(void) |
1091 |
{ |
1092 |
env->fpstt = (env->fpstt - 1) & 7; |
1093 |
env->fptags[env->fpstt] = 0; /* validate stack entry */ |
1094 |
} |
1095 |
|
1096 |
static inline void fpop(void) |
1097 |
{ |
1098 |
env->fptags[env->fpstt] = 1; /* invvalidate stack entry */ |
1099 |
env->fpstt = (env->fpstt + 1) & 7; |
1100 |
} |
1101 |
|
1102 |
void OPPROTO op_fpush(void) |
1103 |
{ |
1104 |
fpush(); |
1105 |
} |
1106 |
|
1107 |
void OPPROTO op_fpop(void) |
1108 |
{ |
1109 |
fpop(); |
1110 |
} |
1111 |
|
1112 |
void OPPROTO op_fdecstp(void) |
1113 |
{ |
1114 |
env->fpstt = (env->fpstt - 1) & 7; |
1115 |
env->fpus &= (~0x4700);
|
1116 |
} |
1117 |
|
1118 |
void OPPROTO op_fincstp(void) |
1119 |
{ |
1120 |
env->fpstt = (env->fpstt + 1) & 7; |
1121 |
env->fpus &= (~0x4700);
|
1122 |
} |
1123 |
|
1124 |
void OPPROTO op_fmov_ST0_FT0(void) |
1125 |
{ |
1126 |
ST0 = FT0; |
1127 |
} |
1128 |
|
1129 |
void OPPROTO op_fmov_FT0_STN(void) |
1130 |
{ |
1131 |
FT0 = ST(PARAM1); |
1132 |
} |
1133 |
|
1134 |
void OPPROTO op_fmov_ST0_STN(void) |
1135 |
{ |
1136 |
ST0 = ST(PARAM1); |
1137 |
} |
1138 |
|
1139 |
void OPPROTO op_fmov_STN_ST0(void) |
1140 |
{ |
1141 |
ST(PARAM1) = ST0; |
1142 |
} |
1143 |
|
1144 |
void OPPROTO op_fxchg_ST0_STN(void) |
1145 |
{ |
1146 |
CPU86_LDouble tmp; |
1147 |
tmp = ST(PARAM1); |
1148 |
ST(PARAM1) = ST0; |
1149 |
ST0 = tmp; |
1150 |
} |
1151 |
|
1152 |
/* FPU operations */
|
1153 |
|
1154 |
/* XXX: handle nans */
|
1155 |
void OPPROTO op_fcom_ST0_FT0(void) |
1156 |
{ |
1157 |
env->fpus &= (~0x4500); /* (C3,C2,C0) <-- 000 */ |
1158 |
if (ST0 < FT0)
|
1159 |
env->fpus |= 0x100; /* (C3,C2,C0) <-- 001 */ |
1160 |
else if (ST0 == FT0) |
1161 |
env->fpus |= 0x4000; /* (C3,C2,C0) <-- 100 */ |
1162 |
FORCE_RET(); |
1163 |
} |
1164 |
|
1165 |
void OPPROTO op_fadd_ST0_FT0(void) |
1166 |
{ |
1167 |
ST0 += FT0; |
1168 |
} |
1169 |
|
1170 |
void OPPROTO op_fmul_ST0_FT0(void) |
1171 |
{ |
1172 |
ST0 *= FT0; |
1173 |
} |
1174 |
|
1175 |
void OPPROTO op_fsub_ST0_FT0(void) |
1176 |
{ |
1177 |
ST0 -= FT0; |
1178 |
} |
1179 |
|
1180 |
void OPPROTO op_fsubr_ST0_FT0(void) |
1181 |
{ |
1182 |
ST0 = FT0 - ST0; |
1183 |
} |
1184 |
|
1185 |
void OPPROTO op_fdiv_ST0_FT0(void) |
1186 |
{ |
1187 |
ST0 /= FT0; |
1188 |
} |
1189 |
|
1190 |
void OPPROTO op_fdivr_ST0_FT0(void) |
1191 |
{ |
1192 |
ST0 = FT0 / ST0; |
1193 |
} |
1194 |
|
1195 |
/* fp operations between STN and ST0 */
|
1196 |
|
1197 |
void OPPROTO op_fadd_STN_ST0(void) |
1198 |
{ |
1199 |
ST(PARAM1) += ST0; |
1200 |
} |
1201 |
|
1202 |
void OPPROTO op_fmul_STN_ST0(void) |
1203 |
{ |
1204 |
ST(PARAM1) *= ST0; |
1205 |
} |
1206 |
|
1207 |
void OPPROTO op_fsub_STN_ST0(void) |
1208 |
{ |
1209 |
ST(PARAM1) -= ST0; |
1210 |
} |
1211 |
|
1212 |
void OPPROTO op_fsubr_STN_ST0(void) |
1213 |
{ |
1214 |
CPU86_LDouble *p; |
1215 |
p = &ST(PARAM1); |
1216 |
*p = ST0 - *p; |
1217 |
} |
1218 |
|
1219 |
void OPPROTO op_fdiv_STN_ST0(void) |
1220 |
{ |
1221 |
ST(PARAM1) /= ST0; |
1222 |
} |
1223 |
|
1224 |
void OPPROTO op_fdivr_STN_ST0(void) |
1225 |
{ |
1226 |
CPU86_LDouble *p; |
1227 |
p = &ST(PARAM1); |
1228 |
*p = ST0 / *p; |
1229 |
} |
1230 |
|
1231 |
/* misc FPU operations */
|
1232 |
void OPPROTO op_fchs_ST0(void) |
1233 |
{ |
1234 |
ST0 = -ST0; |
1235 |
} |
1236 |
|
1237 |
void OPPROTO op_fabs_ST0(void) |
1238 |
{ |
1239 |
ST0 = fabs(ST0); |
1240 |
} |
1241 |
|
1242 |
void OPPROTO op_fxam_ST0(void) |
1243 |
{ |
1244 |
CPU86_LDoubleU temp; |
1245 |
int expdif;
|
1246 |
|
1247 |
temp.d = ST0; |
1248 |
|
1249 |
env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */ |
1250 |
if (SIGND(temp))
|
1251 |
env->fpus |= 0x200; /* C1 <-- 1 */ |
1252 |
|
1253 |
expdif = EXPD(temp); |
1254 |
if (expdif == MAXEXPD) {
|
1255 |
if (MANTD(temp) == 0) |
1256 |
env->fpus |= 0x500 /*Infinity*/; |
1257 |
else
|
1258 |
env->fpus |= 0x100 /*NaN*/; |
1259 |
} else if (expdif == 0) { |
1260 |
if (MANTD(temp) == 0) |
1261 |
env->fpus |= 0x4000 /*Zero*/; |
1262 |
else
|
1263 |
env->fpus |= 0x4400 /*Denormal*/; |
1264 |
} else {
|
1265 |
env->fpus |= 0x400;
|
1266 |
} |
1267 |
FORCE_RET(); |
1268 |
} |
1269 |
|
1270 |
void OPPROTO op_fld1_ST0(void) |
1271 |
{ |
1272 |
ST0 = *(CPU86_LDouble *)&f15rk[1];
|
1273 |
} |
1274 |
|
1275 |
void OPPROTO op_fld2t_ST0(void) |
1276 |
{ |
1277 |
ST0 = *(CPU86_LDouble *)&f15rk[6];
|
1278 |
} |
1279 |
|
1280 |
void OPPROTO op_fld2e_ST0(void) |
1281 |
{ |
1282 |
ST0 = *(CPU86_LDouble *)&f15rk[5];
|
1283 |
} |
1284 |
|
1285 |
void OPPROTO op_fldpi_ST0(void) |
1286 |
{ |
1287 |
ST0 = *(CPU86_LDouble *)&f15rk[2];
|
1288 |
} |
1289 |
|
1290 |
void OPPROTO op_fldlg2_ST0(void) |
1291 |
{ |
1292 |
ST0 = *(CPU86_LDouble *)&f15rk[3];
|
1293 |
} |
1294 |
|
1295 |
void OPPROTO op_fldln2_ST0(void) |
1296 |
{ |
1297 |
ST0 = *(CPU86_LDouble *)&f15rk[4];
|
1298 |
} |
1299 |
|
1300 |
void OPPROTO op_fldz_ST0(void) |
1301 |
{ |
1302 |
ST0 = *(CPU86_LDouble *)&f15rk[0];
|
1303 |
} |
1304 |
|
1305 |
void OPPROTO op_fldz_FT0(void) |
1306 |
{ |
1307 |
ST0 = *(CPU86_LDouble *)&f15rk[0];
|
1308 |
} |
1309 |
|
1310 |
void helper_f2xm1(void) |
1311 |
{ |
1312 |
ST0 = pow(2.0,ST0) - 1.0; |
1313 |
} |
1314 |
|
1315 |
void helper_fyl2x(void) |
1316 |
{ |
1317 |
CPU86_LDouble fptemp; |
1318 |
|
1319 |
fptemp = ST0; |
1320 |
if (fptemp>0.0){ |
1321 |
fptemp = log(fptemp)/log(2.0); /* log2(ST) */ |
1322 |
ST1 *= fptemp; |
1323 |
fpop(); |
1324 |
} else {
|
1325 |
env->fpus &= (~0x4700);
|
1326 |
env->fpus |= 0x400;
|
1327 |
} |
1328 |
} |
1329 |
|
1330 |
void helper_fptan(void) |
1331 |
{ |
1332 |
CPU86_LDouble fptemp; |
1333 |
|
1334 |
fptemp = ST0; |
1335 |
if((fptemp > MAXTAN)||(fptemp < -MAXTAN)) {
|
1336 |
env->fpus |= 0x400;
|
1337 |
} else {
|
1338 |
ST0 = tan(fptemp); |
1339 |
fpush(); |
1340 |
ST0 = 1.0; |
1341 |
env->fpus &= (~0x400); /* C2 <-- 0 */ |
1342 |
/* the above code is for |arg| < 2**52 only */
|
1343 |
} |
1344 |
} |
1345 |
|
1346 |
void helper_fpatan(void) |
1347 |
{ |
1348 |
CPU86_LDouble fptemp, fpsrcop; |
1349 |
|
1350 |
fpsrcop = ST1; |
1351 |
fptemp = ST0; |
1352 |
ST1 = atan2(fpsrcop,fptemp); |
1353 |
fpop(); |
1354 |
} |
1355 |
|
1356 |
void helper_fxtract(void) |
1357 |
{ |
1358 |
CPU86_LDoubleU temp; |
1359 |
unsigned int expdif; |
1360 |
|
1361 |
temp.d = ST0; |
1362 |
expdif = EXPD(temp) - EXPBIAS; |
1363 |
/*DP exponent bias*/
|
1364 |
ST0 = expdif; |
1365 |
fpush(); |
1366 |
BIASEXPONENT(temp); |
1367 |
ST0 = temp.d; |
1368 |
} |
1369 |
|
1370 |
void helper_fprem1(void) |
1371 |
{ |
1372 |
CPU86_LDouble dblq, fpsrcop, fptemp; |
1373 |
CPU86_LDoubleU fpsrcop1, fptemp1; |
1374 |
int expdif;
|
1375 |
int q;
|
1376 |
|
1377 |
fpsrcop = ST0; |
1378 |
fptemp = ST1; |
1379 |
fpsrcop1.d = fpsrcop; |
1380 |
fptemp1.d = fptemp; |
1381 |
expdif = EXPD(fpsrcop1) - EXPD(fptemp1); |
1382 |
if (expdif < 53) { |
1383 |
dblq = fpsrcop / fptemp; |
1384 |
dblq = (dblq < 0.0)? ceil(dblq): floor(dblq); |
1385 |
ST0 = fpsrcop - fptemp*dblq; |
1386 |
q = (int)dblq; /* cutting off top bits is assumed here */ |
1387 |
env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */ |
1388 |
/* (C0,C1,C3) <-- (q2,q1,q0) */
|
1389 |
env->fpus |= (q&0x4) << 6; /* (C0) <-- q2 */ |
1390 |
env->fpus |= (q&0x2) << 8; /* (C1) <-- q1 */ |
1391 |
env->fpus |= (q&0x1) << 14; /* (C3) <-- q0 */ |
1392 |
} else {
|
1393 |
env->fpus |= 0x400; /* C2 <-- 1 */ |
1394 |
fptemp = pow(2.0, expdif-50); |
1395 |
fpsrcop = (ST0 / ST1) / fptemp; |
1396 |
/* fpsrcop = integer obtained by rounding to the nearest */
|
1397 |
fpsrcop = (fpsrcop-floor(fpsrcop) < ceil(fpsrcop)-fpsrcop)? |
1398 |
floor(fpsrcop): ceil(fpsrcop); |
1399 |
ST0 -= (ST1 * fpsrcop * fptemp); |
1400 |
} |
1401 |
} |
1402 |
|
1403 |
void helper_fprem(void) |
1404 |
{ |
1405 |
CPU86_LDouble dblq, fpsrcop, fptemp; |
1406 |
CPU86_LDoubleU fpsrcop1, fptemp1; |
1407 |
int expdif;
|
1408 |
int q;
|
1409 |
|
1410 |
fpsrcop = ST0; |
1411 |
fptemp = ST1; |
1412 |
fpsrcop1.d = fpsrcop; |
1413 |
fptemp1.d = fptemp; |
1414 |
expdif = EXPD(fpsrcop1) - EXPD(fptemp1); |
1415 |
if ( expdif < 53 ) { |
1416 |
dblq = fpsrcop / fptemp; |
1417 |
dblq = (dblq < 0.0)? ceil(dblq): floor(dblq); |
1418 |
ST0 = fpsrcop - fptemp*dblq; |
1419 |
q = (int)dblq; /* cutting off top bits is assumed here */ |
1420 |
env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */ |
1421 |
/* (C0,C1,C3) <-- (q2,q1,q0) */
|
1422 |
env->fpus |= (q&0x4) << 6; /* (C0) <-- q2 */ |
1423 |
env->fpus |= (q&0x2) << 8; /* (C1) <-- q1 */ |
1424 |
env->fpus |= (q&0x1) << 14; /* (C3) <-- q0 */ |
1425 |
} else {
|
1426 |
env->fpus |= 0x400; /* C2 <-- 1 */ |
1427 |
fptemp = pow(2.0, expdif-50); |
1428 |
fpsrcop = (ST0 / ST1) / fptemp; |
1429 |
/* fpsrcop = integer obtained by chopping */
|
1430 |
fpsrcop = (fpsrcop < 0.0)? |
1431 |
-(floor(fabs(fpsrcop))): floor(fpsrcop); |
1432 |
ST0 -= (ST1 * fpsrcop * fptemp); |
1433 |
} |
1434 |
} |
1435 |
|
1436 |
void helper_fyl2xp1(void) |
1437 |
{ |
1438 |
CPU86_LDouble fptemp; |
1439 |
|
1440 |
fptemp = ST0; |
1441 |
if ((fptemp+1.0)>0.0) { |
1442 |
fptemp = log(fptemp+1.0) / log(2.0); /* log2(ST+1.0) */ |
1443 |
ST1 *= fptemp; |
1444 |
fpop(); |
1445 |
} else {
|
1446 |
env->fpus &= (~0x4700);
|
1447 |
env->fpus |= 0x400;
|
1448 |
} |
1449 |
} |
1450 |
|
1451 |
void helper_fsqrt(void) |
1452 |
{ |
1453 |
CPU86_LDouble fptemp; |
1454 |
|
1455 |
fptemp = ST0; |
1456 |
if (fptemp<0.0) { |
1457 |
env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */ |
1458 |
env->fpus |= 0x400;
|
1459 |
} |
1460 |
ST0 = sqrt(fptemp); |
1461 |
} |
1462 |
|
1463 |
void helper_fsincos(void) |
1464 |
{ |
1465 |
CPU86_LDouble fptemp; |
1466 |
|
1467 |
fptemp = ST0; |
1468 |
if ((fptemp > MAXTAN)||(fptemp < -MAXTAN)) {
|
1469 |
env->fpus |= 0x400;
|
1470 |
} else {
|
1471 |
ST0 = sin(fptemp); |
1472 |
fpush(); |
1473 |
ST0 = cos(fptemp); |
1474 |
env->fpus &= (~0x400); /* C2 <-- 0 */ |
1475 |
/* the above code is for |arg| < 2**63 only */
|
1476 |
} |
1477 |
} |
1478 |
|
1479 |
void helper_frndint(void) |
1480 |
{ |
1481 |
ST0 = rint(ST0); |
1482 |
} |
1483 |
|
1484 |
void helper_fscale(void) |
1485 |
{ |
1486 |
CPU86_LDouble fpsrcop, fptemp; |
1487 |
|
1488 |
fpsrcop = 2.0; |
1489 |
fptemp = pow(fpsrcop,ST1); |
1490 |
ST0 *= fptemp; |
1491 |
} |
1492 |
|
1493 |
void helper_fsin(void) |
1494 |
{ |
1495 |
CPU86_LDouble fptemp; |
1496 |
|
1497 |
fptemp = ST0; |
1498 |
if ((fptemp > MAXTAN)||(fptemp < -MAXTAN)) {
|
1499 |
env->fpus |= 0x400;
|
1500 |
} else {
|
1501 |
ST0 = sin(fptemp); |
1502 |
env->fpus &= (~0x400); /* C2 <-- 0 */ |
1503 |
/* the above code is for |arg| < 2**53 only */
|
1504 |
} |
1505 |
} |
1506 |
|
1507 |
void helper_fcos(void) |
1508 |
{ |
1509 |
CPU86_LDouble fptemp; |
1510 |
|
1511 |
fptemp = ST0; |
1512 |
if((fptemp > MAXTAN)||(fptemp < -MAXTAN)) {
|
1513 |
env->fpus |= 0x400;
|
1514 |
} else {
|
1515 |
ST0 = cos(fptemp); |
1516 |
env->fpus &= (~0x400); /* C2 <-- 0 */ |
1517 |
/* the above code is for |arg5 < 2**63 only */
|
1518 |
} |
1519 |
} |
1520 |
|
1521 |
/* associated heplers to reduce generated code length and to simplify
|
1522 |
relocation (FP constants are usually stored in .rodata section) */
|
1523 |
|
1524 |
void OPPROTO op_f2xm1(void) |
1525 |
{ |
1526 |
helper_f2xm1(); |
1527 |
} |
1528 |
|
1529 |
void OPPROTO op_fyl2x(void) |
1530 |
{ |
1531 |
helper_fyl2x(); |
1532 |
} |
1533 |
|
1534 |
void OPPROTO op_fptan(void) |
1535 |
{ |
1536 |
helper_fptan(); |
1537 |
} |
1538 |
|
1539 |
void OPPROTO op_fpatan(void) |
1540 |
{ |
1541 |
helper_fpatan(); |
1542 |
} |
1543 |
|
1544 |
void OPPROTO op_fxtract(void) |
1545 |
{ |
1546 |
helper_fxtract(); |
1547 |
} |
1548 |
|
1549 |
void OPPROTO op_fprem1(void) |
1550 |
{ |
1551 |
helper_fprem1(); |
1552 |
} |
1553 |
|
1554 |
|
1555 |
void OPPROTO op_fprem(void) |
1556 |
{ |
1557 |
helper_fprem(); |
1558 |
} |
1559 |
|
1560 |
void OPPROTO op_fyl2xp1(void) |
1561 |
{ |
1562 |
helper_fyl2xp1(); |
1563 |
} |
1564 |
|
1565 |
void OPPROTO op_fsqrt(void) |
1566 |
{ |
1567 |
helper_fsqrt(); |
1568 |
} |
1569 |
|
1570 |
void OPPROTO op_fsincos(void) |
1571 |
{ |
1572 |
helper_fsincos(); |
1573 |
} |
1574 |
|
1575 |
void OPPROTO op_frndint(void) |
1576 |
{ |
1577 |
helper_frndint(); |
1578 |
} |
1579 |
|
1580 |
void OPPROTO op_fscale(void) |
1581 |
{ |
1582 |
helper_fscale(); |
1583 |
} |
1584 |
|
1585 |
void OPPROTO op_fsin(void) |
1586 |
{ |
1587 |
helper_fsin(); |
1588 |
} |
1589 |
|
1590 |
void OPPROTO op_fcos(void) |
1591 |
{ |
1592 |
helper_fcos(); |
1593 |
} |
1594 |
|