root / target-alpha / op_helper.c @ f0685f6e
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1 | 4c9649a9 | j_mayer | /*
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2 | 4c9649a9 | j_mayer | * Alpha emulation cpu micro-operations helpers for qemu.
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3 | 5fafdf24 | ths | *
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4 | 4c9649a9 | j_mayer | * Copyright (c) 2007 Jocelyn Mayer
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5 | 4c9649a9 | j_mayer | *
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6 | 4c9649a9 | j_mayer | * This library is free software; you can redistribute it and/or
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7 | 4c9649a9 | j_mayer | * modify it under the terms of the GNU Lesser General Public
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8 | 4c9649a9 | j_mayer | * License as published by the Free Software Foundation; either
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9 | 4c9649a9 | j_mayer | * version 2 of the License, or (at your option) any later version.
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10 | 4c9649a9 | j_mayer | *
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11 | 4c9649a9 | j_mayer | * This library is distributed in the hope that it will be useful,
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12 | 4c9649a9 | j_mayer | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 4c9649a9 | j_mayer | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 4c9649a9 | j_mayer | * Lesser General Public License for more details.
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15 | 4c9649a9 | j_mayer | *
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16 | 4c9649a9 | j_mayer | * You should have received a copy of the GNU Lesser General Public
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17 | 4c9649a9 | j_mayer | * License along with this library; if not, write to the Free Software
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18 | 4c9649a9 | j_mayer | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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19 | 4c9649a9 | j_mayer | */
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20 | 4c9649a9 | j_mayer | |
21 | 4c9649a9 | j_mayer | #include "exec.h" |
22 | 4c9649a9 | j_mayer | #include "softfloat.h" |
23 | 4c9649a9 | j_mayer | |
24 | 4c9649a9 | j_mayer | #include "op_helper.h" |
25 | 4c9649a9 | j_mayer | |
26 | 4c9649a9 | j_mayer | #define MEMSUFFIX _raw
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27 | 4c9649a9 | j_mayer | #include "op_helper_mem.h" |
28 | 4c9649a9 | j_mayer | |
29 | 4c9649a9 | j_mayer | #if !defined(CONFIG_USER_ONLY)
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30 | b1806c9e | j_mayer | #define MEMSUFFIX _kernel
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31 | 4c9649a9 | j_mayer | #include "op_helper_mem.h" |
32 | 4c9649a9 | j_mayer | |
33 | b1806c9e | j_mayer | #define MEMSUFFIX _executive
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34 | b1806c9e | j_mayer | #include "op_helper_mem.h" |
35 | b1806c9e | j_mayer | |
36 | b1806c9e | j_mayer | #define MEMSUFFIX _supervisor
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37 | b1806c9e | j_mayer | #include "op_helper_mem.h" |
38 | b1806c9e | j_mayer | |
39 | b1806c9e | j_mayer | #define MEMSUFFIX _user
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40 | 4c9649a9 | j_mayer | #include "op_helper_mem.h" |
41 | 4c9649a9 | j_mayer | |
42 | b1806c9e | j_mayer | /* This is used for pal modes */
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43 | 4c9649a9 | j_mayer | #define MEMSUFFIX _data
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44 | 4c9649a9 | j_mayer | #include "op_helper_mem.h" |
45 | 4c9649a9 | j_mayer | #endif
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46 | 4c9649a9 | j_mayer | |
47 | 4c9649a9 | j_mayer | void helper_tb_flush (void) |
48 | 4c9649a9 | j_mayer | { |
49 | 4c9649a9 | j_mayer | tlb_flush(env, 1);
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50 | 4c9649a9 | j_mayer | } |
51 | 4c9649a9 | j_mayer | |
52 | 4c9649a9 | j_mayer | void cpu_dump_EA (target_ulong EA);
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53 | 4c9649a9 | j_mayer | void helper_print_mem_EA (target_ulong EA)
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54 | 4c9649a9 | j_mayer | { |
55 | 4c9649a9 | j_mayer | cpu_dump_EA(EA); |
56 | 4c9649a9 | j_mayer | } |
57 | 4c9649a9 | j_mayer | |
58 | 4c9649a9 | j_mayer | /*****************************************************************************/
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59 | 4c9649a9 | j_mayer | /* Exceptions processing helpers */
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60 | 4c9649a9 | j_mayer | void helper_excp (uint32_t excp, uint32_t error)
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61 | 4c9649a9 | j_mayer | { |
62 | 4c9649a9 | j_mayer | env->exception_index = excp; |
63 | 4c9649a9 | j_mayer | env->error_code = error; |
64 | 4c9649a9 | j_mayer | cpu_loop_exit(); |
65 | 4c9649a9 | j_mayer | } |
66 | 4c9649a9 | j_mayer | |
67 | 4c9649a9 | j_mayer | void helper_amask (void) |
68 | 4c9649a9 | j_mayer | { |
69 | 4c9649a9 | j_mayer | switch (env->implver) {
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70 | 4c9649a9 | j_mayer | case IMPLVER_2106x:
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71 | 4c9649a9 | j_mayer | /* EV4, EV45, LCA, LCA45 & EV5 */
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72 | 4c9649a9 | j_mayer | break;
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73 | 4c9649a9 | j_mayer | case IMPLVER_21164:
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74 | 4c9649a9 | j_mayer | case IMPLVER_21264:
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75 | 4c9649a9 | j_mayer | case IMPLVER_21364:
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76 | 4c9649a9 | j_mayer | T0 &= ~env->amask; |
77 | 4c9649a9 | j_mayer | break;
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78 | 4c9649a9 | j_mayer | } |
79 | 4c9649a9 | j_mayer | } |
80 | 4c9649a9 | j_mayer | |
81 | 4c9649a9 | j_mayer | void helper_load_pcc (void) |
82 | 4c9649a9 | j_mayer | { |
83 | 4c9649a9 | j_mayer | /* XXX: TODO */
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84 | 4c9649a9 | j_mayer | T0 = 0;
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85 | 4c9649a9 | j_mayer | } |
86 | 4c9649a9 | j_mayer | |
87 | 4c9649a9 | j_mayer | void helper_load_implver (void) |
88 | 4c9649a9 | j_mayer | { |
89 | 4c9649a9 | j_mayer | T0 = env->implver; |
90 | 4c9649a9 | j_mayer | } |
91 | 4c9649a9 | j_mayer | |
92 | 4c9649a9 | j_mayer | void helper_load_fpcr (void) |
93 | 4c9649a9 | j_mayer | { |
94 | 4c9649a9 | j_mayer | T0 = 0;
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95 | 4c9649a9 | j_mayer | #ifdef CONFIG_SOFTFLOAT
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96 | 4c9649a9 | j_mayer | T0 |= env->fp_status.float_exception_flags << 52;
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97 | 4c9649a9 | j_mayer | if (env->fp_status.float_exception_flags)
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98 | 4c9649a9 | j_mayer | T0 |= 1ULL << 63; |
99 | 4c9649a9 | j_mayer | env->ipr[IPR_EXC_SUM] &= ~0x3E:
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100 | 4c9649a9 | j_mayer | env->ipr[IPR_EXC_SUM] |= env->fp_status.float_exception_flags << 1;
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101 | 4c9649a9 | j_mayer | #endif
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102 | 4c9649a9 | j_mayer | switch (env->fp_status.float_rounding_mode) {
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103 | 4c9649a9 | j_mayer | case float_round_nearest_even:
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104 | 4c9649a9 | j_mayer | T0 |= 2ULL << 58; |
105 | 4c9649a9 | j_mayer | break;
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106 | 4c9649a9 | j_mayer | case float_round_down:
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107 | 4c9649a9 | j_mayer | T0 |= 1ULL << 58; |
108 | 4c9649a9 | j_mayer | break;
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109 | 4c9649a9 | j_mayer | case float_round_up:
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110 | 4c9649a9 | j_mayer | T0 |= 3ULL << 58; |
111 | 4c9649a9 | j_mayer | break;
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112 | 4c9649a9 | j_mayer | case float_round_to_zero:
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113 | 4c9649a9 | j_mayer | break;
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114 | 4c9649a9 | j_mayer | } |
115 | 4c9649a9 | j_mayer | } |
116 | 4c9649a9 | j_mayer | |
117 | 4c9649a9 | j_mayer | void helper_store_fpcr (void) |
118 | 4c9649a9 | j_mayer | { |
119 | 4c9649a9 | j_mayer | #ifdef CONFIG_SOFTFLOAT
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120 | 4c9649a9 | j_mayer | set_float_exception_flags((T0 >> 52) & 0x3F, &FP_STATUS); |
121 | 4c9649a9 | j_mayer | #endif
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122 | 4c9649a9 | j_mayer | switch ((T0 >> 58) & 3) { |
123 | 4c9649a9 | j_mayer | case 0: |
124 | 4c9649a9 | j_mayer | set_float_rounding_mode(float_round_to_zero, &FP_STATUS); |
125 | 4c9649a9 | j_mayer | break;
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126 | 4c9649a9 | j_mayer | case 1: |
127 | 4c9649a9 | j_mayer | set_float_rounding_mode(float_round_down, &FP_STATUS); |
128 | 4c9649a9 | j_mayer | break;
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129 | 4c9649a9 | j_mayer | case 2: |
130 | 4c9649a9 | j_mayer | set_float_rounding_mode(float_round_nearest_even, &FP_STATUS); |
131 | 4c9649a9 | j_mayer | break;
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132 | 4c9649a9 | j_mayer | case 3: |
133 | 4c9649a9 | j_mayer | set_float_rounding_mode(float_round_up, &FP_STATUS); |
134 | 4c9649a9 | j_mayer | break;
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135 | 4c9649a9 | j_mayer | } |
136 | 4c9649a9 | j_mayer | } |
137 | 4c9649a9 | j_mayer | |
138 | 4c9649a9 | j_mayer | void helper_load_irf (void) |
139 | 4c9649a9 | j_mayer | { |
140 | 4c9649a9 | j_mayer | /* XXX: TODO */
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141 | 4c9649a9 | j_mayer | T0 = 0;
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142 | 4c9649a9 | j_mayer | } |
143 | 4c9649a9 | j_mayer | |
144 | 4c9649a9 | j_mayer | void helper_set_irf (void) |
145 | 4c9649a9 | j_mayer | { |
146 | 4c9649a9 | j_mayer | /* XXX: TODO */
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147 | 4c9649a9 | j_mayer | } |
148 | 4c9649a9 | j_mayer | |
149 | 4c9649a9 | j_mayer | void helper_clear_irf (void) |
150 | 4c9649a9 | j_mayer | { |
151 | 4c9649a9 | j_mayer | /* XXX: TODO */
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152 | 4c9649a9 | j_mayer | } |
153 | 4c9649a9 | j_mayer | |
154 | 4c9649a9 | j_mayer | void helper_addqv (void) |
155 | 4c9649a9 | j_mayer | { |
156 | 4c9649a9 | j_mayer | T2 = T0; |
157 | 4c9649a9 | j_mayer | T0 += T1; |
158 | 4c9649a9 | j_mayer | if (unlikely((T2 ^ T1 ^ (-1ULL)) & (T2 ^ T0) & (1ULL << 63))) { |
159 | 4c9649a9 | j_mayer | helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW); |
160 | 4c9649a9 | j_mayer | } |
161 | 4c9649a9 | j_mayer | } |
162 | 4c9649a9 | j_mayer | |
163 | 4c9649a9 | j_mayer | void helper_addlv (void) |
164 | 4c9649a9 | j_mayer | { |
165 | 4c9649a9 | j_mayer | T2 = T0; |
166 | 4c9649a9 | j_mayer | T0 = (uint32_t)(T0 + T1); |
167 | 4c9649a9 | j_mayer | if (unlikely((T2 ^ T1 ^ (-1UL)) & (T2 ^ T0) & (1UL << 31))) { |
168 | 4c9649a9 | j_mayer | helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW); |
169 | 4c9649a9 | j_mayer | } |
170 | 4c9649a9 | j_mayer | } |
171 | 4c9649a9 | j_mayer | |
172 | 4c9649a9 | j_mayer | void helper_subqv (void) |
173 | 4c9649a9 | j_mayer | { |
174 | 4c9649a9 | j_mayer | T2 = T0; |
175 | 4c9649a9 | j_mayer | T0 -= T1; |
176 | 4c9649a9 | j_mayer | if (unlikely(((~T2) ^ T0 ^ (-1ULL)) & ((~T2) ^ T1) & (1ULL << 63))) { |
177 | 4c9649a9 | j_mayer | helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW); |
178 | 4c9649a9 | j_mayer | } |
179 | 4c9649a9 | j_mayer | } |
180 | 4c9649a9 | j_mayer | |
181 | 4c9649a9 | j_mayer | void helper_sublv (void) |
182 | 4c9649a9 | j_mayer | { |
183 | 4c9649a9 | j_mayer | T2 = T0; |
184 | 4c9649a9 | j_mayer | T0 = (uint32_t)(T0 - T1); |
185 | 4c9649a9 | j_mayer | if (unlikely(((~T2) ^ T0 ^ (-1UL)) & ((~T2) ^ T1) & (1UL << 31))) { |
186 | 4c9649a9 | j_mayer | helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW); |
187 | 4c9649a9 | j_mayer | } |
188 | 4c9649a9 | j_mayer | } |
189 | 4c9649a9 | j_mayer | |
190 | 4c9649a9 | j_mayer | void helper_mullv (void) |
191 | 4c9649a9 | j_mayer | { |
192 | 4c9649a9 | j_mayer | int64_t res = (int64_t)T0 * (int64_t)T1; |
193 | 4c9649a9 | j_mayer | |
194 | 4c9649a9 | j_mayer | if (unlikely((int32_t)res != res)) {
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195 | 4c9649a9 | j_mayer | helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW); |
196 | 4c9649a9 | j_mayer | } |
197 | 4c9649a9 | j_mayer | T0 = (int64_t)((int32_t)res); |
198 | 4c9649a9 | j_mayer | } |
199 | 4c9649a9 | j_mayer | |
200 | 4c9649a9 | j_mayer | void helper_mulqv ()
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201 | 4c9649a9 | j_mayer | { |
202 | e14fe0a9 | j_mayer | uint64_t tl, th; |
203 | e14fe0a9 | j_mayer | |
204 | e14fe0a9 | j_mayer | muls64(&tl, &th, T0, T1); |
205 | e14fe0a9 | j_mayer | /* If th != 0 && th != -1, then we had an overflow */
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206 | e14fe0a9 | j_mayer | if (unlikely((th + 1) > 1)) { |
207 | 4c9649a9 | j_mayer | helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW); |
208 | 4c9649a9 | j_mayer | } |
209 | e14fe0a9 | j_mayer | T0 = tl; |
210 | 4c9649a9 | j_mayer | } |
211 | 4c9649a9 | j_mayer | |
212 | 4c9649a9 | j_mayer | void helper_ctpop (void) |
213 | 4c9649a9 | j_mayer | { |
214 | 4c9649a9 | j_mayer | int n;
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215 | 4c9649a9 | j_mayer | |
216 | 4c9649a9 | j_mayer | for (n = 0; T0 != 0; n++) |
217 | 4c9649a9 | j_mayer | T0 = T0 ^ (T0 - 1);
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218 | 4c9649a9 | j_mayer | T0 = n; |
219 | 4c9649a9 | j_mayer | } |
220 | 4c9649a9 | j_mayer | |
221 | 4c9649a9 | j_mayer | void helper_ctlz (void) |
222 | 4c9649a9 | j_mayer | { |
223 | 4c9649a9 | j_mayer | uint32_t op32; |
224 | 4c9649a9 | j_mayer | int n;
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225 | 4c9649a9 | j_mayer | |
226 | 4c9649a9 | j_mayer | n = 0;
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227 | 4c9649a9 | j_mayer | if (!(T0 & 0xFFFFFFFF00000000ULL)) { |
228 | 4c9649a9 | j_mayer | n += 32;
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229 | 4c9649a9 | j_mayer | T0 <<= 32;
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230 | 4c9649a9 | j_mayer | } |
231 | 4c9649a9 | j_mayer | /* Make it easier for 32 bits hosts */
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232 | 4c9649a9 | j_mayer | op32 = T0 >> 32;
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233 | 4c9649a9 | j_mayer | if (!(op32 & 0xFFFF0000UL)) { |
234 | 4c9649a9 | j_mayer | n += 16;
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235 | 4c9649a9 | j_mayer | op32 <<= 16;
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236 | 4c9649a9 | j_mayer | } |
237 | 4c9649a9 | j_mayer | if (!(op32 & 0xFF000000UL)) { |
238 | 4c9649a9 | j_mayer | n += 8;
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239 | 4c9649a9 | j_mayer | op32 <<= 8;
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240 | 4c9649a9 | j_mayer | } |
241 | 4c9649a9 | j_mayer | if (!(op32 & 0xF0000000UL)) { |
242 | 4c9649a9 | j_mayer | n += 4;
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243 | 4c9649a9 | j_mayer | op32 <<= 4;
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244 | 4c9649a9 | j_mayer | } |
245 | 4c9649a9 | j_mayer | if (!(op32 & 0xC0000000UL)) { |
246 | 4c9649a9 | j_mayer | n += 2;
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247 | 4c9649a9 | j_mayer | op32 <<= 2;
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248 | 4c9649a9 | j_mayer | } |
249 | 4c9649a9 | j_mayer | if (!(op32 & 0x80000000UL)) { |
250 | 4c9649a9 | j_mayer | n++; |
251 | 4c9649a9 | j_mayer | op32 <<= 1;
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252 | 4c9649a9 | j_mayer | } |
253 | 4c9649a9 | j_mayer | if (!(op32 & 0x80000000UL)) { |
254 | 4c9649a9 | j_mayer | n++; |
255 | 4c9649a9 | j_mayer | } |
256 | 4c9649a9 | j_mayer | T0 = n; |
257 | 4c9649a9 | j_mayer | } |
258 | 4c9649a9 | j_mayer | |
259 | 4c9649a9 | j_mayer | void helper_cttz (void) |
260 | 4c9649a9 | j_mayer | { |
261 | 4c9649a9 | j_mayer | uint32_t op32; |
262 | 4c9649a9 | j_mayer | int n;
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263 | 4c9649a9 | j_mayer | |
264 | 4c9649a9 | j_mayer | n = 0;
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265 | 4c9649a9 | j_mayer | if (!(T0 & 0x00000000FFFFFFFFULL)) { |
266 | 4c9649a9 | j_mayer | n += 32;
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267 | 4c9649a9 | j_mayer | T0 >>= 32;
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268 | 4c9649a9 | j_mayer | } |
269 | 4c9649a9 | j_mayer | /* Make it easier for 32 bits hosts */
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270 | 4c9649a9 | j_mayer | op32 = T0; |
271 | 4c9649a9 | j_mayer | if (!(op32 & 0x0000FFFFUL)) { |
272 | 4c9649a9 | j_mayer | n += 16;
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273 | 4c9649a9 | j_mayer | op32 >>= 16;
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274 | 4c9649a9 | j_mayer | } |
275 | 4c9649a9 | j_mayer | if (!(op32 & 0x000000FFUL)) { |
276 | 4c9649a9 | j_mayer | n += 8;
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277 | 4c9649a9 | j_mayer | op32 >>= 8;
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278 | 4c9649a9 | j_mayer | } |
279 | 4c9649a9 | j_mayer | if (!(op32 & 0x0000000FUL)) { |
280 | 4c9649a9 | j_mayer | n += 4;
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281 | 4c9649a9 | j_mayer | op32 >>= 4;
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282 | 4c9649a9 | j_mayer | } |
283 | 4c9649a9 | j_mayer | if (!(op32 & 0x00000003UL)) { |
284 | 4c9649a9 | j_mayer | n += 2;
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285 | 4c9649a9 | j_mayer | op32 >>= 2;
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286 | 4c9649a9 | j_mayer | } |
287 | 4c9649a9 | j_mayer | if (!(op32 & 0x00000001UL)) { |
288 | 4c9649a9 | j_mayer | n++; |
289 | 4c9649a9 | j_mayer | op32 >>= 1;
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290 | 4c9649a9 | j_mayer | } |
291 | 4c9649a9 | j_mayer | if (!(op32 & 0x00000001UL)) { |
292 | 4c9649a9 | j_mayer | n++; |
293 | 4c9649a9 | j_mayer | } |
294 | 4c9649a9 | j_mayer | T0 = n; |
295 | 4c9649a9 | j_mayer | } |
296 | 4c9649a9 | j_mayer | |
297 | 4c9649a9 | j_mayer | static inline uint64_t byte_zap (uint64_t op, uint8_t mskb) |
298 | 4c9649a9 | j_mayer | { |
299 | 4c9649a9 | j_mayer | uint64_t mask; |
300 | 4c9649a9 | j_mayer | |
301 | 4c9649a9 | j_mayer | mask = 0;
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302 | 4c9649a9 | j_mayer | mask |= ((mskb >> 0) & 1) * 0x00000000000000FFULL; |
303 | 4c9649a9 | j_mayer | mask |= ((mskb >> 1) & 1) * 0x000000000000FF00ULL; |
304 | 4c9649a9 | j_mayer | mask |= ((mskb >> 2) & 1) * 0x0000000000FF0000ULL; |
305 | 4c9649a9 | j_mayer | mask |= ((mskb >> 3) & 1) * 0x00000000FF000000ULL; |
306 | 4c9649a9 | j_mayer | mask |= ((mskb >> 4) & 1) * 0x000000FF00000000ULL; |
307 | 4c9649a9 | j_mayer | mask |= ((mskb >> 5) & 1) * 0x0000FF0000000000ULL; |
308 | 4c9649a9 | j_mayer | mask |= ((mskb >> 6) & 1) * 0x00FF000000000000ULL; |
309 | 4c9649a9 | j_mayer | mask |= ((mskb >> 7) & 1) * 0xFF00000000000000ULL; |
310 | 4c9649a9 | j_mayer | |
311 | 4c9649a9 | j_mayer | return op & ~mask;
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312 | 4c9649a9 | j_mayer | } |
313 | 4c9649a9 | j_mayer | |
314 | 4c9649a9 | j_mayer | void helper_mskbl (void) |
315 | 4c9649a9 | j_mayer | { |
316 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0x01 << (T1 & 7)); |
317 | 4c9649a9 | j_mayer | } |
318 | 4c9649a9 | j_mayer | |
319 | 4c9649a9 | j_mayer | void helper_extbl (void) |
320 | 4c9649a9 | j_mayer | { |
321 | 4c9649a9 | j_mayer | T0 >>= (T1 & 7) * 8; |
322 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0xFE);
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323 | 4c9649a9 | j_mayer | } |
324 | 4c9649a9 | j_mayer | |
325 | 4c9649a9 | j_mayer | void helper_insbl (void) |
326 | 4c9649a9 | j_mayer | { |
327 | 4c9649a9 | j_mayer | T0 <<= (T1 & 7) * 8; |
328 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~(0x01 << (T1 & 7))); |
329 | 4c9649a9 | j_mayer | } |
330 | 4c9649a9 | j_mayer | |
331 | 4c9649a9 | j_mayer | void helper_mskwl (void) |
332 | 4c9649a9 | j_mayer | { |
333 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0x03 << (T1 & 7)); |
334 | 4c9649a9 | j_mayer | } |
335 | 4c9649a9 | j_mayer | |
336 | 4c9649a9 | j_mayer | void helper_extwl (void) |
337 | 4c9649a9 | j_mayer | { |
338 | 4c9649a9 | j_mayer | T0 >>= (T1 & 7) * 8; |
339 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0xFC);
|
340 | 4c9649a9 | j_mayer | } |
341 | 4c9649a9 | j_mayer | |
342 | 4c9649a9 | j_mayer | void helper_inswl (void) |
343 | 4c9649a9 | j_mayer | { |
344 | 4c9649a9 | j_mayer | T0 <<= (T1 & 7) * 8; |
345 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~(0x03 << (T1 & 7))); |
346 | 4c9649a9 | j_mayer | } |
347 | 4c9649a9 | j_mayer | |
348 | 4c9649a9 | j_mayer | void helper_mskll (void) |
349 | 4c9649a9 | j_mayer | { |
350 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0x0F << (T1 & 7)); |
351 | 4c9649a9 | j_mayer | } |
352 | 4c9649a9 | j_mayer | |
353 | 4c9649a9 | j_mayer | void helper_extll (void) |
354 | 4c9649a9 | j_mayer | { |
355 | 4c9649a9 | j_mayer | T0 >>= (T1 & 7) * 8; |
356 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0xF0);
|
357 | 4c9649a9 | j_mayer | } |
358 | 4c9649a9 | j_mayer | |
359 | 4c9649a9 | j_mayer | void helper_insll (void) |
360 | 4c9649a9 | j_mayer | { |
361 | 4c9649a9 | j_mayer | T0 <<= (T1 & 7) * 8; |
362 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~(0x0F << (T1 & 7))); |
363 | 4c9649a9 | j_mayer | } |
364 | 4c9649a9 | j_mayer | |
365 | 4c9649a9 | j_mayer | void helper_zap (void) |
366 | 4c9649a9 | j_mayer | { |
367 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, T1); |
368 | 4c9649a9 | j_mayer | } |
369 | 4c9649a9 | j_mayer | |
370 | 4c9649a9 | j_mayer | void helper_zapnot (void) |
371 | 4c9649a9 | j_mayer | { |
372 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~T1); |
373 | 4c9649a9 | j_mayer | } |
374 | 4c9649a9 | j_mayer | |
375 | 4c9649a9 | j_mayer | void helper_mskql (void) |
376 | 4c9649a9 | j_mayer | { |
377 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0xFF << (T1 & 7)); |
378 | 4c9649a9 | j_mayer | } |
379 | 4c9649a9 | j_mayer | |
380 | 4c9649a9 | j_mayer | void helper_extql (void) |
381 | 4c9649a9 | j_mayer | { |
382 | 4c9649a9 | j_mayer | T0 >>= (T1 & 7) * 8; |
383 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0x00);
|
384 | 4c9649a9 | j_mayer | } |
385 | 4c9649a9 | j_mayer | |
386 | 4c9649a9 | j_mayer | void helper_insql (void) |
387 | 4c9649a9 | j_mayer | { |
388 | 4c9649a9 | j_mayer | T0 <<= (T1 & 7) * 8; |
389 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~(0xFF << (T1 & 7))); |
390 | 4c9649a9 | j_mayer | } |
391 | 4c9649a9 | j_mayer | |
392 | 4c9649a9 | j_mayer | void helper_mskwh (void) |
393 | 4c9649a9 | j_mayer | { |
394 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, (0x03 << (T1 & 7)) >> 8); |
395 | 4c9649a9 | j_mayer | } |
396 | 4c9649a9 | j_mayer | |
397 | 4c9649a9 | j_mayer | void helper_inswh (void) |
398 | 4c9649a9 | j_mayer | { |
399 | 4c9649a9 | j_mayer | T0 >>= 64 - ((T1 & 7) * 8); |
400 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~((0x03 << (T1 & 7)) >> 8)); |
401 | 4c9649a9 | j_mayer | } |
402 | 4c9649a9 | j_mayer | |
403 | 4c9649a9 | j_mayer | void helper_extwh (void) |
404 | 4c9649a9 | j_mayer | { |
405 | 4c9649a9 | j_mayer | T0 <<= 64 - ((T1 & 7) * 8); |
406 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~0x07);
|
407 | 4c9649a9 | j_mayer | } |
408 | 4c9649a9 | j_mayer | |
409 | 4c9649a9 | j_mayer | void helper_msklh (void) |
410 | 4c9649a9 | j_mayer | { |
411 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, (0x0F << (T1 & 7)) >> 8); |
412 | 4c9649a9 | j_mayer | } |
413 | 4c9649a9 | j_mayer | |
414 | 4c9649a9 | j_mayer | void helper_inslh (void) |
415 | 4c9649a9 | j_mayer | { |
416 | 4c9649a9 | j_mayer | T0 >>= 64 - ((T1 & 7) * 8); |
417 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~((0x0F << (T1 & 7)) >> 8)); |
418 | 4c9649a9 | j_mayer | } |
419 | 4c9649a9 | j_mayer | |
420 | 4c9649a9 | j_mayer | void helper_extlh (void) |
421 | 4c9649a9 | j_mayer | { |
422 | 4c9649a9 | j_mayer | T0 <<= 64 - ((T1 & 7) * 8); |
423 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~0x0F);
|
424 | 4c9649a9 | j_mayer | } |
425 | 4c9649a9 | j_mayer | |
426 | 4c9649a9 | j_mayer | void helper_mskqh (void) |
427 | 4c9649a9 | j_mayer | { |
428 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, (0xFF << (T1 & 7)) >> 8); |
429 | 4c9649a9 | j_mayer | } |
430 | 4c9649a9 | j_mayer | |
431 | 4c9649a9 | j_mayer | void helper_insqh (void) |
432 | 4c9649a9 | j_mayer | { |
433 | 4c9649a9 | j_mayer | T0 >>= 64 - ((T1 & 7) * 8); |
434 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~((0xFF << (T1 & 7)) >> 8)); |
435 | 4c9649a9 | j_mayer | } |
436 | 4c9649a9 | j_mayer | |
437 | 4c9649a9 | j_mayer | void helper_extqh (void) |
438 | 4c9649a9 | j_mayer | { |
439 | 4c9649a9 | j_mayer | T0 <<= 64 - ((T1 & 7) * 8); |
440 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0x00);
|
441 | 4c9649a9 | j_mayer | } |
442 | 4c9649a9 | j_mayer | |
443 | 4c9649a9 | j_mayer | void helper_cmpbge (void) |
444 | 4c9649a9 | j_mayer | { |
445 | 4c9649a9 | j_mayer | uint8_t opa, opb, res; |
446 | 4c9649a9 | j_mayer | int i;
|
447 | 4c9649a9 | j_mayer | |
448 | 4c9649a9 | j_mayer | res = 0;
|
449 | 4c9649a9 | j_mayer | for (i = 0; i < 7; i++) { |
450 | 4c9649a9 | j_mayer | opa = T0 >> (i * 8);
|
451 | 4c9649a9 | j_mayer | opb = T1 >> (i * 8);
|
452 | 4c9649a9 | j_mayer | if (opa >= opb)
|
453 | 4c9649a9 | j_mayer | res |= 1 << i;
|
454 | 4c9649a9 | j_mayer | } |
455 | 4c9649a9 | j_mayer | T0 = res; |
456 | 4c9649a9 | j_mayer | } |
457 | 4c9649a9 | j_mayer | |
458 | 4c9649a9 | j_mayer | void helper_cmov_fir (int freg) |
459 | 4c9649a9 | j_mayer | { |
460 | 4c9649a9 | j_mayer | if (FT0 != 0) |
461 | 4c9649a9 | j_mayer | env->fir[freg] = FT1; |
462 | 4c9649a9 | j_mayer | } |
463 | 4c9649a9 | j_mayer | |
464 | 4c9649a9 | j_mayer | void helper_sqrts (void) |
465 | 4c9649a9 | j_mayer | { |
466 | 4c9649a9 | j_mayer | FT0 = float32_sqrt(FT0, &FP_STATUS); |
467 | 4c9649a9 | j_mayer | } |
468 | 4c9649a9 | j_mayer | |
469 | 4c9649a9 | j_mayer | void helper_cpys (void) |
470 | 4c9649a9 | j_mayer | { |
471 | 4c9649a9 | j_mayer | union {
|
472 | 4c9649a9 | j_mayer | double d;
|
473 | 4c9649a9 | j_mayer | uint64_t i; |
474 | 4c9649a9 | j_mayer | } p, q, r; |
475 | 4c9649a9 | j_mayer | |
476 | 4c9649a9 | j_mayer | p.d = FT0; |
477 | 4c9649a9 | j_mayer | q.d = FT1; |
478 | 4c9649a9 | j_mayer | r.i = p.i & 0x8000000000000000ULL;
|
479 | 4c9649a9 | j_mayer | r.i |= q.i & ~0x8000000000000000ULL;
|
480 | 4c9649a9 | j_mayer | FT0 = r.d; |
481 | 4c9649a9 | j_mayer | } |
482 | 4c9649a9 | j_mayer | |
483 | 4c9649a9 | j_mayer | void helper_cpysn (void) |
484 | 4c9649a9 | j_mayer | { |
485 | 4c9649a9 | j_mayer | union {
|
486 | 4c9649a9 | j_mayer | double d;
|
487 | 4c9649a9 | j_mayer | uint64_t i; |
488 | 4c9649a9 | j_mayer | } p, q, r; |
489 | 4c9649a9 | j_mayer | |
490 | 4c9649a9 | j_mayer | p.d = FT0; |
491 | 4c9649a9 | j_mayer | q.d = FT1; |
492 | 4c9649a9 | j_mayer | r.i = (~p.i) & 0x8000000000000000ULL;
|
493 | 4c9649a9 | j_mayer | r.i |= q.i & ~0x8000000000000000ULL;
|
494 | 4c9649a9 | j_mayer | FT0 = r.d; |
495 | 4c9649a9 | j_mayer | } |
496 | 4c9649a9 | j_mayer | |
497 | 4c9649a9 | j_mayer | void helper_cpyse (void) |
498 | 4c9649a9 | j_mayer | { |
499 | 4c9649a9 | j_mayer | union {
|
500 | 4c9649a9 | j_mayer | double d;
|
501 | 4c9649a9 | j_mayer | uint64_t i; |
502 | 4c9649a9 | j_mayer | } p, q, r; |
503 | 4c9649a9 | j_mayer | |
504 | 4c9649a9 | j_mayer | p.d = FT0; |
505 | 4c9649a9 | j_mayer | q.d = FT1; |
506 | 4c9649a9 | j_mayer | r.i = p.i & 0xFFF0000000000000ULL;
|
507 | 4c9649a9 | j_mayer | r.i |= q.i & ~0xFFF0000000000000ULL;
|
508 | 4c9649a9 | j_mayer | FT0 = r.d; |
509 | 4c9649a9 | j_mayer | } |
510 | 4c9649a9 | j_mayer | |
511 | 4c9649a9 | j_mayer | void helper_itofs (void) |
512 | 4c9649a9 | j_mayer | { |
513 | 4c9649a9 | j_mayer | union {
|
514 | 4c9649a9 | j_mayer | double d;
|
515 | 4c9649a9 | j_mayer | uint64_t i; |
516 | 4c9649a9 | j_mayer | } p; |
517 | 4c9649a9 | j_mayer | |
518 | 4c9649a9 | j_mayer | p.d = FT0; |
519 | 4c9649a9 | j_mayer | FT0 = int64_to_float32(p.i, &FP_STATUS); |
520 | 4c9649a9 | j_mayer | } |
521 | 4c9649a9 | j_mayer | |
522 | 4c9649a9 | j_mayer | void helper_ftois (void) |
523 | 4c9649a9 | j_mayer | { |
524 | 4c9649a9 | j_mayer | union {
|
525 | 4c9649a9 | j_mayer | double d;
|
526 | 4c9649a9 | j_mayer | uint64_t i; |
527 | 4c9649a9 | j_mayer | } p; |
528 | 4c9649a9 | j_mayer | |
529 | 4c9649a9 | j_mayer | p.i = float32_to_int64(FT0, &FP_STATUS); |
530 | 4c9649a9 | j_mayer | FT0 = p.d; |
531 | 4c9649a9 | j_mayer | } |
532 | 4c9649a9 | j_mayer | |
533 | 4c9649a9 | j_mayer | void helper_sqrtt (void) |
534 | 4c9649a9 | j_mayer | { |
535 | 4c9649a9 | j_mayer | FT0 = float64_sqrt(FT0, &FP_STATUS); |
536 | 4c9649a9 | j_mayer | } |
537 | 4c9649a9 | j_mayer | |
538 | 4c9649a9 | j_mayer | void helper_cmptun (void) |
539 | 4c9649a9 | j_mayer | { |
540 | 4c9649a9 | j_mayer | union {
|
541 | 4c9649a9 | j_mayer | double d;
|
542 | 4c9649a9 | j_mayer | uint64_t i; |
543 | 4c9649a9 | j_mayer | } p; |
544 | 4c9649a9 | j_mayer | |
545 | 4c9649a9 | j_mayer | p.i = 0;
|
546 | 4c9649a9 | j_mayer | if (float64_is_nan(FT0) || float64_is_nan(FT1))
|
547 | 4c9649a9 | j_mayer | p.i = 0x4000000000000000ULL;
|
548 | 4c9649a9 | j_mayer | FT0 = p.d; |
549 | 4c9649a9 | j_mayer | } |
550 | 4c9649a9 | j_mayer | |
551 | 4c9649a9 | j_mayer | void helper_cmpteq (void) |
552 | 4c9649a9 | j_mayer | { |
553 | 4c9649a9 | j_mayer | union {
|
554 | 4c9649a9 | j_mayer | double d;
|
555 | 4c9649a9 | j_mayer | uint64_t i; |
556 | 4c9649a9 | j_mayer | } p; |
557 | 4c9649a9 | j_mayer | |
558 | 4c9649a9 | j_mayer | p.i = 0;
|
559 | 4c9649a9 | j_mayer | if (float64_eq(FT0, FT1, &FP_STATUS))
|
560 | 4c9649a9 | j_mayer | p.i = 0x4000000000000000ULL;
|
561 | 4c9649a9 | j_mayer | FT0 = p.d; |
562 | 4c9649a9 | j_mayer | } |
563 | 4c9649a9 | j_mayer | |
564 | 4c9649a9 | j_mayer | void helper_cmptle (void) |
565 | 4c9649a9 | j_mayer | { |
566 | 4c9649a9 | j_mayer | union {
|
567 | 4c9649a9 | j_mayer | double d;
|
568 | 4c9649a9 | j_mayer | uint64_t i; |
569 | 4c9649a9 | j_mayer | } p; |
570 | 4c9649a9 | j_mayer | |
571 | 4c9649a9 | j_mayer | p.i = 0;
|
572 | 4c9649a9 | j_mayer | if (float64_le(FT0, FT1, &FP_STATUS))
|
573 | 4c9649a9 | j_mayer | p.i = 0x4000000000000000ULL;
|
574 | 4c9649a9 | j_mayer | FT0 = p.d; |
575 | 4c9649a9 | j_mayer | } |
576 | 4c9649a9 | j_mayer | |
577 | 4c9649a9 | j_mayer | void helper_cmptlt (void) |
578 | 4c9649a9 | j_mayer | { |
579 | 4c9649a9 | j_mayer | union {
|
580 | 4c9649a9 | j_mayer | double d;
|
581 | 4c9649a9 | j_mayer | uint64_t i; |
582 | 4c9649a9 | j_mayer | } p; |
583 | 4c9649a9 | j_mayer | |
584 | 4c9649a9 | j_mayer | p.i = 0;
|
585 | 4c9649a9 | j_mayer | if (float64_lt(FT0, FT1, &FP_STATUS))
|
586 | 4c9649a9 | j_mayer | p.i = 0x4000000000000000ULL;
|
587 | 4c9649a9 | j_mayer | FT0 = p.d; |
588 | 4c9649a9 | j_mayer | } |
589 | 4c9649a9 | j_mayer | |
590 | 4c9649a9 | j_mayer | void helper_itoft (void) |
591 | 4c9649a9 | j_mayer | { |
592 | 4c9649a9 | j_mayer | union {
|
593 | 4c9649a9 | j_mayer | double d;
|
594 | 4c9649a9 | j_mayer | uint64_t i; |
595 | 4c9649a9 | j_mayer | } p; |
596 | 4c9649a9 | j_mayer | |
597 | 4c9649a9 | j_mayer | p.d = FT0; |
598 | 4c9649a9 | j_mayer | FT0 = int64_to_float64(p.i, &FP_STATUS); |
599 | 4c9649a9 | j_mayer | } |
600 | 4c9649a9 | j_mayer | |
601 | 4c9649a9 | j_mayer | void helper_ftoit (void) |
602 | 4c9649a9 | j_mayer | { |
603 | 4c9649a9 | j_mayer | union {
|
604 | 4c9649a9 | j_mayer | double d;
|
605 | 4c9649a9 | j_mayer | uint64_t i; |
606 | 4c9649a9 | j_mayer | } p; |
607 | 4c9649a9 | j_mayer | |
608 | 4c9649a9 | j_mayer | p.i = float64_to_int64(FT0, &FP_STATUS); |
609 | 4c9649a9 | j_mayer | FT0 = p.d; |
610 | 4c9649a9 | j_mayer | } |
611 | 4c9649a9 | j_mayer | |
612 | 4c9649a9 | j_mayer | static int vaxf_is_valid (float ff) |
613 | 4c9649a9 | j_mayer | { |
614 | 4c9649a9 | j_mayer | union {
|
615 | 4c9649a9 | j_mayer | float f;
|
616 | 4c9649a9 | j_mayer | uint32_t i; |
617 | 4c9649a9 | j_mayer | } p; |
618 | 4c9649a9 | j_mayer | uint32_t exp, mant; |
619 | 4c9649a9 | j_mayer | |
620 | 4c9649a9 | j_mayer | p.f = ff; |
621 | 4c9649a9 | j_mayer | exp = (p.i >> 23) & 0xFF; |
622 | 4c9649a9 | j_mayer | mant = p.i & 0x007FFFFF;
|
623 | 4c9649a9 | j_mayer | if (exp == 0 && ((p.i & 0x80000000) || mant != 0)) { |
624 | 4c9649a9 | j_mayer | /* Reserved operands / Dirty zero */
|
625 | 4c9649a9 | j_mayer | return 0; |
626 | 4c9649a9 | j_mayer | } |
627 | 4c9649a9 | j_mayer | |
628 | 4c9649a9 | j_mayer | return 1; |
629 | 4c9649a9 | j_mayer | } |
630 | 4c9649a9 | j_mayer | |
631 | 4c9649a9 | j_mayer | static float vaxf_to_ieee32 (float ff) |
632 | 4c9649a9 | j_mayer | { |
633 | 4c9649a9 | j_mayer | union {
|
634 | 4c9649a9 | j_mayer | float f;
|
635 | 4c9649a9 | j_mayer | uint32_t i; |
636 | 4c9649a9 | j_mayer | } p; |
637 | 4c9649a9 | j_mayer | uint32_t exp; |
638 | 4c9649a9 | j_mayer | |
639 | 4c9649a9 | j_mayer | p.f = ff; |
640 | 4c9649a9 | j_mayer | exp = (p.i >> 23) & 0xFF; |
641 | 4c9649a9 | j_mayer | if (exp < 3) { |
642 | 4c9649a9 | j_mayer | /* Underflow */
|
643 | 4c9649a9 | j_mayer | p.f = 0.0; |
644 | 4c9649a9 | j_mayer | } else {
|
645 | 4c9649a9 | j_mayer | p.f *= 0.25; |
646 | 4c9649a9 | j_mayer | } |
647 | 4c9649a9 | j_mayer | |
648 | 4c9649a9 | j_mayer | return p.f;
|
649 | 4c9649a9 | j_mayer | } |
650 | 4c9649a9 | j_mayer | |
651 | 4c9649a9 | j_mayer | static float ieee32_to_vaxf (float fi) |
652 | 4c9649a9 | j_mayer | { |
653 | 4c9649a9 | j_mayer | union {
|
654 | 4c9649a9 | j_mayer | float f;
|
655 | 4c9649a9 | j_mayer | uint32_t i; |
656 | 4c9649a9 | j_mayer | } p; |
657 | 4c9649a9 | j_mayer | uint32_t exp, mant; |
658 | 4c9649a9 | j_mayer | |
659 | 4c9649a9 | j_mayer | p.f = fi; |
660 | 4c9649a9 | j_mayer | exp = (p.i >> 23) & 0xFF; |
661 | 4c9649a9 | j_mayer | mant = p.i & 0x007FFFFF;
|
662 | 4c9649a9 | j_mayer | if (exp == 255) { |
663 | 4c9649a9 | j_mayer | /* NaN or infinity */
|
664 | 4c9649a9 | j_mayer | p.i = 1;
|
665 | 4c9649a9 | j_mayer | } else if (exp == 0) { |
666 | 4c9649a9 | j_mayer | if (mant == 0) { |
667 | 4c9649a9 | j_mayer | /* Zero */
|
668 | 4c9649a9 | j_mayer | p.i = 0;
|
669 | 4c9649a9 | j_mayer | } else {
|
670 | 4c9649a9 | j_mayer | /* Denormalized */
|
671 | 4c9649a9 | j_mayer | p.f *= 2.0; |
672 | 4c9649a9 | j_mayer | } |
673 | 4c9649a9 | j_mayer | } else {
|
674 | 4c9649a9 | j_mayer | if (exp >= 253) { |
675 | 4c9649a9 | j_mayer | /* Overflow */
|
676 | 4c9649a9 | j_mayer | p.i = 1;
|
677 | 4c9649a9 | j_mayer | } else {
|
678 | 4c9649a9 | j_mayer | p.f *= 4.0; |
679 | 4c9649a9 | j_mayer | } |
680 | 4c9649a9 | j_mayer | } |
681 | 4c9649a9 | j_mayer | |
682 | 4c9649a9 | j_mayer | return p.f;
|
683 | 4c9649a9 | j_mayer | } |
684 | 4c9649a9 | j_mayer | |
685 | 4c9649a9 | j_mayer | void helper_addf (void) |
686 | 4c9649a9 | j_mayer | { |
687 | 4c9649a9 | j_mayer | float ft0, ft1, ft2;
|
688 | 4c9649a9 | j_mayer | |
689 | 4c9649a9 | j_mayer | if (!vaxf_is_valid(FT0) || !vaxf_is_valid(FT1)) {
|
690 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
691 | 4c9649a9 | j_mayer | } |
692 | 4c9649a9 | j_mayer | ft0 = vaxf_to_ieee32(FT0); |
693 | 4c9649a9 | j_mayer | ft1 = vaxf_to_ieee32(FT1); |
694 | 4c9649a9 | j_mayer | ft2 = float32_add(ft0, ft1, &FP_STATUS); |
695 | 4c9649a9 | j_mayer | FT0 = ieee32_to_vaxf(ft2); |
696 | 4c9649a9 | j_mayer | } |
697 | 4c9649a9 | j_mayer | |
698 | 4c9649a9 | j_mayer | void helper_subf (void) |
699 | 4c9649a9 | j_mayer | { |
700 | 4c9649a9 | j_mayer | float ft0, ft1, ft2;
|
701 | 4c9649a9 | j_mayer | |
702 | 4c9649a9 | j_mayer | if (!vaxf_is_valid(FT0) || !vaxf_is_valid(FT1)) {
|
703 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
704 | 4c9649a9 | j_mayer | } |
705 | 4c9649a9 | j_mayer | ft0 = vaxf_to_ieee32(FT0); |
706 | 4c9649a9 | j_mayer | ft1 = vaxf_to_ieee32(FT1); |
707 | 4c9649a9 | j_mayer | ft2 = float32_sub(ft0, ft1, &FP_STATUS); |
708 | 4c9649a9 | j_mayer | FT0 = ieee32_to_vaxf(ft2); |
709 | 4c9649a9 | j_mayer | } |
710 | 4c9649a9 | j_mayer | |
711 | 4c9649a9 | j_mayer | void helper_mulf (void) |
712 | 4c9649a9 | j_mayer | { |
713 | 4c9649a9 | j_mayer | float ft0, ft1, ft2;
|
714 | 4c9649a9 | j_mayer | |
715 | 4c9649a9 | j_mayer | if (!vaxf_is_valid(FT0) || !vaxf_is_valid(FT1)) {
|
716 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
717 | 4c9649a9 | j_mayer | } |
718 | 4c9649a9 | j_mayer | ft0 = vaxf_to_ieee32(FT0); |
719 | 4c9649a9 | j_mayer | ft1 = vaxf_to_ieee32(FT1); |
720 | 4c9649a9 | j_mayer | ft2 = float32_mul(ft0, ft1, &FP_STATUS); |
721 | 4c9649a9 | j_mayer | FT0 = ieee32_to_vaxf(ft2); |
722 | 4c9649a9 | j_mayer | } |
723 | 4c9649a9 | j_mayer | |
724 | 4c9649a9 | j_mayer | void helper_divf (void) |
725 | 4c9649a9 | j_mayer | { |
726 | 4c9649a9 | j_mayer | float ft0, ft1, ft2;
|
727 | 4c9649a9 | j_mayer | |
728 | 4c9649a9 | j_mayer | if (!vaxf_is_valid(FT0) || !vaxf_is_valid(FT1)) {
|
729 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
730 | 4c9649a9 | j_mayer | } |
731 | 4c9649a9 | j_mayer | ft0 = vaxf_to_ieee32(FT0); |
732 | 4c9649a9 | j_mayer | ft1 = vaxf_to_ieee32(FT1); |
733 | 4c9649a9 | j_mayer | ft2 = float32_div(ft0, ft1, &FP_STATUS); |
734 | 4c9649a9 | j_mayer | FT0 = ieee32_to_vaxf(ft2); |
735 | 4c9649a9 | j_mayer | } |
736 | 4c9649a9 | j_mayer | |
737 | 4c9649a9 | j_mayer | void helper_sqrtf (void) |
738 | 4c9649a9 | j_mayer | { |
739 | 4c9649a9 | j_mayer | float ft0, ft1;
|
740 | 4c9649a9 | j_mayer | |
741 | 4c9649a9 | j_mayer | if (!vaxf_is_valid(FT0) || !vaxf_is_valid(FT1)) {
|
742 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
743 | 4c9649a9 | j_mayer | } |
744 | 4c9649a9 | j_mayer | ft0 = vaxf_to_ieee32(FT0); |
745 | 4c9649a9 | j_mayer | ft1 = float32_sqrt(ft0, &FP_STATUS); |
746 | 4c9649a9 | j_mayer | FT0 = ieee32_to_vaxf(ft1); |
747 | 4c9649a9 | j_mayer | } |
748 | 4c9649a9 | j_mayer | |
749 | 4c9649a9 | j_mayer | void helper_itoff (void) |
750 | 4c9649a9 | j_mayer | { |
751 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
752 | 4c9649a9 | j_mayer | } |
753 | 4c9649a9 | j_mayer | |
754 | 4c9649a9 | j_mayer | static int vaxg_is_valid (double ff) |
755 | 4c9649a9 | j_mayer | { |
756 | 4c9649a9 | j_mayer | union {
|
757 | 4c9649a9 | j_mayer | double f;
|
758 | 4c9649a9 | j_mayer | uint64_t i; |
759 | 4c9649a9 | j_mayer | } p; |
760 | 4c9649a9 | j_mayer | uint64_t exp, mant; |
761 | 4c9649a9 | j_mayer | |
762 | 4c9649a9 | j_mayer | p.f = ff; |
763 | 4c9649a9 | j_mayer | exp = (p.i >> 52) & 0x7FF; |
764 | 4c9649a9 | j_mayer | mant = p.i & 0x000FFFFFFFFFFFFFULL;
|
765 | 4c9649a9 | j_mayer | if (exp == 0 && ((p.i & 0x8000000000000000ULL) || mant != 0)) { |
766 | 4c9649a9 | j_mayer | /* Reserved operands / Dirty zero */
|
767 | 4c9649a9 | j_mayer | return 0; |
768 | 4c9649a9 | j_mayer | } |
769 | 4c9649a9 | j_mayer | |
770 | 4c9649a9 | j_mayer | return 1; |
771 | 4c9649a9 | j_mayer | } |
772 | 4c9649a9 | j_mayer | |
773 | 4c9649a9 | j_mayer | static double vaxg_to_ieee64 (double fg) |
774 | 4c9649a9 | j_mayer | { |
775 | 4c9649a9 | j_mayer | union {
|
776 | 4c9649a9 | j_mayer | double f;
|
777 | 4c9649a9 | j_mayer | uint64_t i; |
778 | 4c9649a9 | j_mayer | } p; |
779 | 4c9649a9 | j_mayer | uint32_t exp; |
780 | 4c9649a9 | j_mayer | |
781 | 4c9649a9 | j_mayer | p.f = fg; |
782 | 4c9649a9 | j_mayer | exp = (p.i >> 52) & 0x7FF; |
783 | 4c9649a9 | j_mayer | if (exp < 3) { |
784 | 4c9649a9 | j_mayer | /* Underflow */
|
785 | 4c9649a9 | j_mayer | p.f = 0.0; |
786 | 4c9649a9 | j_mayer | } else {
|
787 | 4c9649a9 | j_mayer | p.f *= 0.25; |
788 | 4c9649a9 | j_mayer | } |
789 | 4c9649a9 | j_mayer | |
790 | 4c9649a9 | j_mayer | return p.f;
|
791 | 4c9649a9 | j_mayer | } |
792 | 4c9649a9 | j_mayer | |
793 | 4c9649a9 | j_mayer | static double ieee64_to_vaxg (double fi) |
794 | 4c9649a9 | j_mayer | { |
795 | 4c9649a9 | j_mayer | union {
|
796 | 4c9649a9 | j_mayer | double f;
|
797 | 4c9649a9 | j_mayer | uint64_t i; |
798 | 4c9649a9 | j_mayer | } p; |
799 | 4c9649a9 | j_mayer | uint64_t mant; |
800 | 4c9649a9 | j_mayer | uint32_t exp; |
801 | 4c9649a9 | j_mayer | |
802 | 4c9649a9 | j_mayer | p.f = fi; |
803 | 4c9649a9 | j_mayer | exp = (p.i >> 52) & 0x7FF; |
804 | 4c9649a9 | j_mayer | mant = p.i & 0x000FFFFFFFFFFFFFULL;
|
805 | 4c9649a9 | j_mayer | if (exp == 255) { |
806 | 4c9649a9 | j_mayer | /* NaN or infinity */
|
807 | 4c9649a9 | j_mayer | p.i = 1; /* VAX dirty zero */ |
808 | 4c9649a9 | j_mayer | } else if (exp == 0) { |
809 | 4c9649a9 | j_mayer | if (mant == 0) { |
810 | 4c9649a9 | j_mayer | /* Zero */
|
811 | 4c9649a9 | j_mayer | p.i = 0;
|
812 | 4c9649a9 | j_mayer | } else {
|
813 | 4c9649a9 | j_mayer | /* Denormalized */
|
814 | 4c9649a9 | j_mayer | p.f *= 2.0; |
815 | 4c9649a9 | j_mayer | } |
816 | 4c9649a9 | j_mayer | } else {
|
817 | 4c9649a9 | j_mayer | if (exp >= 2045) { |
818 | 4c9649a9 | j_mayer | /* Overflow */
|
819 | 4c9649a9 | j_mayer | p.i = 1; /* VAX dirty zero */ |
820 | 4c9649a9 | j_mayer | } else {
|
821 | 4c9649a9 | j_mayer | p.f *= 4.0; |
822 | 4c9649a9 | j_mayer | } |
823 | 4c9649a9 | j_mayer | } |
824 | 4c9649a9 | j_mayer | |
825 | 4c9649a9 | j_mayer | return p.f;
|
826 | 4c9649a9 | j_mayer | } |
827 | 4c9649a9 | j_mayer | |
828 | 4c9649a9 | j_mayer | void helper_addg (void) |
829 | 4c9649a9 | j_mayer | { |
830 | 4c9649a9 | j_mayer | double ft0, ft1, ft2;
|
831 | 4c9649a9 | j_mayer | |
832 | 4c9649a9 | j_mayer | if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
|
833 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
834 | 4c9649a9 | j_mayer | } |
835 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
836 | 4c9649a9 | j_mayer | ft1 = vaxg_to_ieee64(FT1); |
837 | 4c9649a9 | j_mayer | ft2 = float64_add(ft0, ft1, &FP_STATUS); |
838 | 4c9649a9 | j_mayer | FT0 = ieee64_to_vaxg(ft2); |
839 | 4c9649a9 | j_mayer | } |
840 | 4c9649a9 | j_mayer | |
841 | 4c9649a9 | j_mayer | void helper_subg (void) |
842 | 4c9649a9 | j_mayer | { |
843 | 4c9649a9 | j_mayer | double ft0, ft1, ft2;
|
844 | 4c9649a9 | j_mayer | |
845 | 4c9649a9 | j_mayer | if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
|
846 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
847 | 4c9649a9 | j_mayer | } |
848 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
849 | 4c9649a9 | j_mayer | ft1 = vaxg_to_ieee64(FT1); |
850 | 4c9649a9 | j_mayer | ft2 = float64_sub(ft0, ft1, &FP_STATUS); |
851 | 4c9649a9 | j_mayer | FT0 = ieee64_to_vaxg(ft2); |
852 | 4c9649a9 | j_mayer | } |
853 | 4c9649a9 | j_mayer | |
854 | 4c9649a9 | j_mayer | void helper_mulg (void) |
855 | 4c9649a9 | j_mayer | { |
856 | 4c9649a9 | j_mayer | double ft0, ft1, ft2;
|
857 | 4c9649a9 | j_mayer | |
858 | 4c9649a9 | j_mayer | if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
|
859 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
860 | 4c9649a9 | j_mayer | } |
861 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
862 | 4c9649a9 | j_mayer | ft1 = vaxg_to_ieee64(FT1); |
863 | 4c9649a9 | j_mayer | ft2 = float64_mul(ft0, ft1, &FP_STATUS); |
864 | 4c9649a9 | j_mayer | FT0 = ieee64_to_vaxg(ft2); |
865 | 4c9649a9 | j_mayer | } |
866 | 4c9649a9 | j_mayer | |
867 | 4c9649a9 | j_mayer | void helper_divg (void) |
868 | 4c9649a9 | j_mayer | { |
869 | 4c9649a9 | j_mayer | double ft0, ft1, ft2;
|
870 | 4c9649a9 | j_mayer | |
871 | 4c9649a9 | j_mayer | if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
|
872 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
873 | 4c9649a9 | j_mayer | } |
874 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
875 | 4c9649a9 | j_mayer | ft1 = vaxg_to_ieee64(FT1); |
876 | 4c9649a9 | j_mayer | ft2 = float64_div(ft0, ft1, &FP_STATUS); |
877 | 4c9649a9 | j_mayer | FT0 = ieee64_to_vaxg(ft2); |
878 | 4c9649a9 | j_mayer | } |
879 | 4c9649a9 | j_mayer | |
880 | 4c9649a9 | j_mayer | void helper_sqrtg (void) |
881 | 4c9649a9 | j_mayer | { |
882 | 4c9649a9 | j_mayer | double ft0, ft1;
|
883 | 4c9649a9 | j_mayer | |
884 | 4c9649a9 | j_mayer | if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
|
885 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
886 | 4c9649a9 | j_mayer | } |
887 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
888 | 4c9649a9 | j_mayer | ft1 = float64_sqrt(ft0, &FP_STATUS); |
889 | 4c9649a9 | j_mayer | FT0 = ieee64_to_vaxg(ft1); |
890 | 4c9649a9 | j_mayer | } |
891 | 4c9649a9 | j_mayer | |
892 | 4c9649a9 | j_mayer | void helper_cmpgeq (void) |
893 | 4c9649a9 | j_mayer | { |
894 | 4c9649a9 | j_mayer | union {
|
895 | 4c9649a9 | j_mayer | double d;
|
896 | 4c9649a9 | j_mayer | uint64_t u; |
897 | 4c9649a9 | j_mayer | } p; |
898 | 4c9649a9 | j_mayer | double ft0, ft1;
|
899 | 4c9649a9 | j_mayer | |
900 | 4c9649a9 | j_mayer | if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
|
901 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
902 | 4c9649a9 | j_mayer | } |
903 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
904 | 4c9649a9 | j_mayer | ft1 = vaxg_to_ieee64(FT1); |
905 | 4c9649a9 | j_mayer | p.u = 0;
|
906 | 4c9649a9 | j_mayer | if (float64_eq(ft0, ft1, &FP_STATUS))
|
907 | 4c9649a9 | j_mayer | p.u = 0x4000000000000000ULL;
|
908 | 4c9649a9 | j_mayer | FT0 = p.d; |
909 | 4c9649a9 | j_mayer | } |
910 | 4c9649a9 | j_mayer | |
911 | 4c9649a9 | j_mayer | void helper_cmpglt (void) |
912 | 4c9649a9 | j_mayer | { |
913 | 4c9649a9 | j_mayer | union {
|
914 | 4c9649a9 | j_mayer | double d;
|
915 | 4c9649a9 | j_mayer | uint64_t u; |
916 | 4c9649a9 | j_mayer | } p; |
917 | 4c9649a9 | j_mayer | double ft0, ft1;
|
918 | 4c9649a9 | j_mayer | |
919 | 4c9649a9 | j_mayer | if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
|
920 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
921 | 4c9649a9 | j_mayer | } |
922 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
923 | 4c9649a9 | j_mayer | ft1 = vaxg_to_ieee64(FT1); |
924 | 4c9649a9 | j_mayer | p.u = 0;
|
925 | 4c9649a9 | j_mayer | if (float64_lt(ft0, ft1, &FP_STATUS))
|
926 | 4c9649a9 | j_mayer | p.u = 0x4000000000000000ULL;
|
927 | 4c9649a9 | j_mayer | FT0 = p.d; |
928 | 4c9649a9 | j_mayer | } |
929 | 4c9649a9 | j_mayer | |
930 | 4c9649a9 | j_mayer | void helper_cmpgle (void) |
931 | 4c9649a9 | j_mayer | { |
932 | 4c9649a9 | j_mayer | union {
|
933 | 4c9649a9 | j_mayer | double d;
|
934 | 4c9649a9 | j_mayer | uint64_t u; |
935 | 4c9649a9 | j_mayer | } p; |
936 | 4c9649a9 | j_mayer | double ft0, ft1;
|
937 | 4c9649a9 | j_mayer | |
938 | 4c9649a9 | j_mayer | if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
|
939 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
940 | 4c9649a9 | j_mayer | } |
941 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
942 | 4c9649a9 | j_mayer | ft1 = vaxg_to_ieee64(FT1); |
943 | 4c9649a9 | j_mayer | p.u = 0;
|
944 | 4c9649a9 | j_mayer | if (float64_le(ft0, ft1, &FP_STATUS))
|
945 | 4c9649a9 | j_mayer | p.u = 0x4000000000000000ULL;
|
946 | 4c9649a9 | j_mayer | FT0 = p.d; |
947 | 4c9649a9 | j_mayer | } |
948 | 4c9649a9 | j_mayer | |
949 | 4c9649a9 | j_mayer | void helper_cvtqs (void) |
950 | 4c9649a9 | j_mayer | { |
951 | 4c9649a9 | j_mayer | union {
|
952 | 4c9649a9 | j_mayer | double d;
|
953 | 4c9649a9 | j_mayer | uint64_t u; |
954 | 4c9649a9 | j_mayer | } p; |
955 | 4c9649a9 | j_mayer | |
956 | 4c9649a9 | j_mayer | p.d = FT0; |
957 | 4c9649a9 | j_mayer | FT0 = (float)p.u;
|
958 | 4c9649a9 | j_mayer | } |
959 | 4c9649a9 | j_mayer | |
960 | 4c9649a9 | j_mayer | void helper_cvttq (void) |
961 | 4c9649a9 | j_mayer | { |
962 | 4c9649a9 | j_mayer | union {
|
963 | 4c9649a9 | j_mayer | double d;
|
964 | 4c9649a9 | j_mayer | uint64_t u; |
965 | 4c9649a9 | j_mayer | } p; |
966 | 4c9649a9 | j_mayer | |
967 | 4c9649a9 | j_mayer | p.u = FT0; |
968 | 4c9649a9 | j_mayer | FT0 = p.d; |
969 | 4c9649a9 | j_mayer | } |
970 | 4c9649a9 | j_mayer | |
971 | 4c9649a9 | j_mayer | void helper_cvtqt (void) |
972 | 4c9649a9 | j_mayer | { |
973 | 4c9649a9 | j_mayer | union {
|
974 | 4c9649a9 | j_mayer | double d;
|
975 | 4c9649a9 | j_mayer | uint64_t u; |
976 | 4c9649a9 | j_mayer | } p; |
977 | 4c9649a9 | j_mayer | |
978 | 4c9649a9 | j_mayer | p.d = FT0; |
979 | 4c9649a9 | j_mayer | FT0 = p.u; |
980 | 4c9649a9 | j_mayer | } |
981 | 4c9649a9 | j_mayer | |
982 | 4c9649a9 | j_mayer | void helper_cvtqf (void) |
983 | 4c9649a9 | j_mayer | { |
984 | 4c9649a9 | j_mayer | union {
|
985 | 4c9649a9 | j_mayer | double d;
|
986 | 4c9649a9 | j_mayer | uint64_t u; |
987 | 4c9649a9 | j_mayer | } p; |
988 | 4c9649a9 | j_mayer | |
989 | 4c9649a9 | j_mayer | p.d = FT0; |
990 | 4c9649a9 | j_mayer | FT0 = ieee32_to_vaxf(p.u); |
991 | 4c9649a9 | j_mayer | } |
992 | 4c9649a9 | j_mayer | |
993 | 4c9649a9 | j_mayer | void helper_cvtgf (void) |
994 | 4c9649a9 | j_mayer | { |
995 | 4c9649a9 | j_mayer | double ft0;
|
996 | 4c9649a9 | j_mayer | |
997 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
998 | 4c9649a9 | j_mayer | FT0 = ieee32_to_vaxf(ft0); |
999 | 4c9649a9 | j_mayer | } |
1000 | 4c9649a9 | j_mayer | |
1001 | 4c9649a9 | j_mayer | void helper_cvtgd (void) |
1002 | 4c9649a9 | j_mayer | { |
1003 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
1004 | 4c9649a9 | j_mayer | } |
1005 | 4c9649a9 | j_mayer | |
1006 | 4c9649a9 | j_mayer | void helper_cvtgq (void) |
1007 | 4c9649a9 | j_mayer | { |
1008 | 4c9649a9 | j_mayer | union {
|
1009 | 4c9649a9 | j_mayer | double d;
|
1010 | 4c9649a9 | j_mayer | uint64_t u; |
1011 | 4c9649a9 | j_mayer | } p; |
1012 | 4c9649a9 | j_mayer | |
1013 | 4c9649a9 | j_mayer | p.u = vaxg_to_ieee64(FT0); |
1014 | 4c9649a9 | j_mayer | FT0 = p.d; |
1015 | 4c9649a9 | j_mayer | } |
1016 | 4c9649a9 | j_mayer | |
1017 | 4c9649a9 | j_mayer | void helper_cvtqg (void) |
1018 | 4c9649a9 | j_mayer | { |
1019 | 4c9649a9 | j_mayer | union {
|
1020 | 4c9649a9 | j_mayer | double d;
|
1021 | 4c9649a9 | j_mayer | uint64_t u; |
1022 | 4c9649a9 | j_mayer | } p; |
1023 | 4c9649a9 | j_mayer | |
1024 | 4c9649a9 | j_mayer | p.d = FT0; |
1025 | 4c9649a9 | j_mayer | FT0 = ieee64_to_vaxg(p.u); |
1026 | 4c9649a9 | j_mayer | } |
1027 | 4c9649a9 | j_mayer | |
1028 | 4c9649a9 | j_mayer | void helper_cvtdg (void) |
1029 | 4c9649a9 | j_mayer | { |
1030 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
1031 | 4c9649a9 | j_mayer | } |
1032 | 4c9649a9 | j_mayer | |
1033 | 4c9649a9 | j_mayer | void helper_cvtlq (void) |
1034 | 4c9649a9 | j_mayer | { |
1035 | 4c9649a9 | j_mayer | union {
|
1036 | 4c9649a9 | j_mayer | double d;
|
1037 | 4c9649a9 | j_mayer | uint64_t u; |
1038 | 4c9649a9 | j_mayer | } p, q; |
1039 | 4c9649a9 | j_mayer | |
1040 | 4c9649a9 | j_mayer | p.d = FT0; |
1041 | 4c9649a9 | j_mayer | q.u = (p.u >> 29) & 0x3FFFFFFF; |
1042 | 4c9649a9 | j_mayer | q.u |= (p.u >> 32);
|
1043 | 4c9649a9 | j_mayer | q.u = (int64_t)((int32_t)q.u); |
1044 | 4c9649a9 | j_mayer | FT0 = q.d; |
1045 | 4c9649a9 | j_mayer | } |
1046 | 4c9649a9 | j_mayer | |
1047 | 4c9649a9 | j_mayer | static inline void __helper_cvtql (int s, int v) |
1048 | 4c9649a9 | j_mayer | { |
1049 | 4c9649a9 | j_mayer | union {
|
1050 | 4c9649a9 | j_mayer | double d;
|
1051 | 4c9649a9 | j_mayer | uint64_t u; |
1052 | 4c9649a9 | j_mayer | } p, q; |
1053 | 4c9649a9 | j_mayer | |
1054 | 4c9649a9 | j_mayer | p.d = FT0; |
1055 | 4c9649a9 | j_mayer | q.u = ((uint64_t)(p.u & 0xC0000000)) << 32; |
1056 | 4c9649a9 | j_mayer | q.u |= ((uint64_t)(p.u & 0x7FFFFFFF)) << 29; |
1057 | 4c9649a9 | j_mayer | FT0 = q.d; |
1058 | 4c9649a9 | j_mayer | if (v && (int64_t)((int32_t)p.u) != (int64_t)p.u) {
|
1059 | 4c9649a9 | j_mayer | helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW); |
1060 | 4c9649a9 | j_mayer | } |
1061 | 4c9649a9 | j_mayer | if (s) {
|
1062 | 4c9649a9 | j_mayer | /* TODO */
|
1063 | 4c9649a9 | j_mayer | } |
1064 | 4c9649a9 | j_mayer | } |
1065 | 4c9649a9 | j_mayer | |
1066 | 4c9649a9 | j_mayer | void helper_cvtql (void) |
1067 | 4c9649a9 | j_mayer | { |
1068 | 4c9649a9 | j_mayer | __helper_cvtql(0, 0); |
1069 | 4c9649a9 | j_mayer | } |
1070 | 4c9649a9 | j_mayer | |
1071 | 4c9649a9 | j_mayer | void helper_cvtqlv (void) |
1072 | 4c9649a9 | j_mayer | { |
1073 | 4c9649a9 | j_mayer | __helper_cvtql(0, 1); |
1074 | 4c9649a9 | j_mayer | } |
1075 | 4c9649a9 | j_mayer | |
1076 | 4c9649a9 | j_mayer | void helper_cvtqlsv (void) |
1077 | 4c9649a9 | j_mayer | { |
1078 | 4c9649a9 | j_mayer | __helper_cvtql(1, 1); |
1079 | 4c9649a9 | j_mayer | } |
1080 | 4c9649a9 | j_mayer | |
1081 | 4c9649a9 | j_mayer | void helper_cmpfeq (void) |
1082 | 4c9649a9 | j_mayer | { |
1083 | 4c9649a9 | j_mayer | if (float64_eq(FT0, FT1, &FP_STATUS))
|
1084 | 4c9649a9 | j_mayer | T0 = 1;
|
1085 | 4c9649a9 | j_mayer | else
|
1086 | 4c9649a9 | j_mayer | T0 = 0;
|
1087 | 4c9649a9 | j_mayer | } |
1088 | 4c9649a9 | j_mayer | |
1089 | 4c9649a9 | j_mayer | void helper_cmpfne (void) |
1090 | 4c9649a9 | j_mayer | { |
1091 | 4c9649a9 | j_mayer | if (float64_eq(FT0, FT1, &FP_STATUS))
|
1092 | 4c9649a9 | j_mayer | T0 = 0;
|
1093 | 4c9649a9 | j_mayer | else
|
1094 | 4c9649a9 | j_mayer | T0 = 1;
|
1095 | 4c9649a9 | j_mayer | } |
1096 | 4c9649a9 | j_mayer | |
1097 | 4c9649a9 | j_mayer | void helper_cmpflt (void) |
1098 | 4c9649a9 | j_mayer | { |
1099 | 4c9649a9 | j_mayer | if (float64_lt(FT0, FT1, &FP_STATUS))
|
1100 | 4c9649a9 | j_mayer | T0 = 1;
|
1101 | 4c9649a9 | j_mayer | else
|
1102 | 4c9649a9 | j_mayer | T0 = 0;
|
1103 | 4c9649a9 | j_mayer | } |
1104 | 4c9649a9 | j_mayer | |
1105 | 4c9649a9 | j_mayer | void helper_cmpfle (void) |
1106 | 4c9649a9 | j_mayer | { |
1107 | 4c9649a9 | j_mayer | if (float64_lt(FT0, FT1, &FP_STATUS))
|
1108 | 4c9649a9 | j_mayer | T0 = 1;
|
1109 | 4c9649a9 | j_mayer | else
|
1110 | 4c9649a9 | j_mayer | T0 = 0;
|
1111 | 4c9649a9 | j_mayer | } |
1112 | 4c9649a9 | j_mayer | |
1113 | 4c9649a9 | j_mayer | void helper_cmpfgt (void) |
1114 | 4c9649a9 | j_mayer | { |
1115 | 4c9649a9 | j_mayer | if (float64_le(FT0, FT1, &FP_STATUS))
|
1116 | 4c9649a9 | j_mayer | T0 = 0;
|
1117 | 4c9649a9 | j_mayer | else
|
1118 | 4c9649a9 | j_mayer | T0 = 1;
|
1119 | 4c9649a9 | j_mayer | } |
1120 | 4c9649a9 | j_mayer | |
1121 | 4c9649a9 | j_mayer | void helper_cmpfge (void) |
1122 | 4c9649a9 | j_mayer | { |
1123 | 4c9649a9 | j_mayer | if (float64_lt(FT0, FT1, &FP_STATUS))
|
1124 | 4c9649a9 | j_mayer | T0 = 0;
|
1125 | 4c9649a9 | j_mayer | else
|
1126 | 4c9649a9 | j_mayer | T0 = 1;
|
1127 | 4c9649a9 | j_mayer | } |
1128 | 4c9649a9 | j_mayer | |
1129 | 4c9649a9 | j_mayer | #if !defined (CONFIG_USER_ONLY)
|
1130 | 4c9649a9 | j_mayer | void helper_mfpr (int iprn) |
1131 | 4c9649a9 | j_mayer | { |
1132 | 4c9649a9 | j_mayer | uint64_t val; |
1133 | 4c9649a9 | j_mayer | |
1134 | 4c9649a9 | j_mayer | if (cpu_alpha_mfpr(env, iprn, &val) == 0) |
1135 | 4c9649a9 | j_mayer | T0 = val; |
1136 | 4c9649a9 | j_mayer | } |
1137 | 4c9649a9 | j_mayer | |
1138 | 4c9649a9 | j_mayer | void helper_mtpr (int iprn) |
1139 | 4c9649a9 | j_mayer | { |
1140 | 4c9649a9 | j_mayer | cpu_alpha_mtpr(env, iprn, T0, NULL);
|
1141 | 4c9649a9 | j_mayer | } |
1142 | 4c9649a9 | j_mayer | #endif
|
1143 | 4c9649a9 | j_mayer | |
1144 | 4c9649a9 | j_mayer | /*****************************************************************************/
|
1145 | 4c9649a9 | j_mayer | /* Softmmu support */
|
1146 | 4c9649a9 | j_mayer | #if !defined (CONFIG_USER_ONLY)
|
1147 | 4c9649a9 | j_mayer | |
1148 | 4c9649a9 | j_mayer | #define GETPC() (__builtin_return_address(0)) |
1149 | 4c9649a9 | j_mayer | |
1150 | 4c9649a9 | j_mayer | /* XXX: the two following helpers are pure hacks.
|
1151 | 4c9649a9 | j_mayer | * Hopefully, we emulate the PALcode, then we should never see
|
1152 | 4c9649a9 | j_mayer | * HW_LD / HW_ST instructions.
|
1153 | 4c9649a9 | j_mayer | */
|
1154 | 4c9649a9 | j_mayer | void helper_ld_phys_to_virt (void) |
1155 | 4c9649a9 | j_mayer | { |
1156 | 4c9649a9 | j_mayer | uint64_t tlb_addr, physaddr; |
1157 | 6ebbf390 | j_mayer | int index, mmu_idx;
|
1158 | 4c9649a9 | j_mayer | void *retaddr;
|
1159 | 4c9649a9 | j_mayer | |
1160 | 6ebbf390 | j_mayer | mmu_idx = cpu_mmu_index(env); |
1161 | 4c9649a9 | j_mayer | index = (T0 >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
|
1162 | 4c9649a9 | j_mayer | redo:
|
1163 | 6ebbf390 | j_mayer | tlb_addr = env->tlb_table[mmu_idx][index].addr_read; |
1164 | 4c9649a9 | j_mayer | if ((T0 & TARGET_PAGE_MASK) ==
|
1165 | 4c9649a9 | j_mayer | (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) { |
1166 | 6ebbf390 | j_mayer | physaddr = T0 + env->tlb_table[mmu_idx][index].addend; |
1167 | 4c9649a9 | j_mayer | } else {
|
1168 | 4c9649a9 | j_mayer | /* the page is not in the TLB : fill it */
|
1169 | 4c9649a9 | j_mayer | retaddr = GETPC(); |
1170 | 6ebbf390 | j_mayer | tlb_fill(T0, 0, mmu_idx, retaddr);
|
1171 | 4c9649a9 | j_mayer | goto redo;
|
1172 | 4c9649a9 | j_mayer | } |
1173 | 4c9649a9 | j_mayer | T0 = physaddr; |
1174 | 4c9649a9 | j_mayer | } |
1175 | 4c9649a9 | j_mayer | |
1176 | 4c9649a9 | j_mayer | void helper_st_phys_to_virt (void) |
1177 | 4c9649a9 | j_mayer | { |
1178 | 4c9649a9 | j_mayer | uint64_t tlb_addr, physaddr; |
1179 | 6ebbf390 | j_mayer | int index, mmu_idx;
|
1180 | 4c9649a9 | j_mayer | void *retaddr;
|
1181 | 4c9649a9 | j_mayer | |
1182 | 6ebbf390 | j_mayer | mmu_idx = cpu_mmu_index(env); |
1183 | 4c9649a9 | j_mayer | index = (T0 >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
|
1184 | 4c9649a9 | j_mayer | redo:
|
1185 | 6ebbf390 | j_mayer | tlb_addr = env->tlb_table[mmu_idx][index].addr_write; |
1186 | 4c9649a9 | j_mayer | if ((T0 & TARGET_PAGE_MASK) ==
|
1187 | 4c9649a9 | j_mayer | (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) { |
1188 | 6ebbf390 | j_mayer | physaddr = T0 + env->tlb_table[mmu_idx][index].addend; |
1189 | 4c9649a9 | j_mayer | } else {
|
1190 | 4c9649a9 | j_mayer | /* the page is not in the TLB : fill it */
|
1191 | 4c9649a9 | j_mayer | retaddr = GETPC(); |
1192 | 6ebbf390 | j_mayer | tlb_fill(T0, 1, mmu_idx, retaddr);
|
1193 | 4c9649a9 | j_mayer | goto redo;
|
1194 | 4c9649a9 | j_mayer | } |
1195 | 4c9649a9 | j_mayer | T0 = physaddr; |
1196 | 4c9649a9 | j_mayer | } |
1197 | 4c9649a9 | j_mayer | |
1198 | 4c9649a9 | j_mayer | #define MMUSUFFIX _mmu
|
1199 | 4c9649a9 | j_mayer | |
1200 | 4c9649a9 | j_mayer | #define SHIFT 0 |
1201 | 4c9649a9 | j_mayer | #include "softmmu_template.h" |
1202 | 4c9649a9 | j_mayer | |
1203 | 4c9649a9 | j_mayer | #define SHIFT 1 |
1204 | 4c9649a9 | j_mayer | #include "softmmu_template.h" |
1205 | 4c9649a9 | j_mayer | |
1206 | 4c9649a9 | j_mayer | #define SHIFT 2 |
1207 | 4c9649a9 | j_mayer | #include "softmmu_template.h" |
1208 | 4c9649a9 | j_mayer | |
1209 | 4c9649a9 | j_mayer | #define SHIFT 3 |
1210 | 4c9649a9 | j_mayer | #include "softmmu_template.h" |
1211 | 4c9649a9 | j_mayer | |
1212 | 4c9649a9 | j_mayer | /* try to fill the TLB and return an exception if error. If retaddr is
|
1213 | 4c9649a9 | j_mayer | NULL, it means that the function was called in C code (i.e. not
|
1214 | 4c9649a9 | j_mayer | from generated code or from helper.c) */
|
1215 | 4c9649a9 | j_mayer | /* XXX: fix it to restore all registers */
|
1216 | 6ebbf390 | j_mayer | void tlb_fill (target_ulong addr, int is_write, int mmu_idx, void *retaddr) |
1217 | 4c9649a9 | j_mayer | { |
1218 | 4c9649a9 | j_mayer | TranslationBlock *tb; |
1219 | 4c9649a9 | j_mayer | CPUState *saved_env; |
1220 | 4c9649a9 | j_mayer | target_phys_addr_t pc; |
1221 | 4c9649a9 | j_mayer | int ret;
|
1222 | 4c9649a9 | j_mayer | |
1223 | 4c9649a9 | j_mayer | /* XXX: hack to restore env in all cases, even if not called from
|
1224 | 4c9649a9 | j_mayer | generated code */
|
1225 | 4c9649a9 | j_mayer | saved_env = env; |
1226 | 4c9649a9 | j_mayer | env = cpu_single_env; |
1227 | 6ebbf390 | j_mayer | ret = cpu_alpha_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
|
1228 | 4c9649a9 | j_mayer | if (!likely(ret == 0)) { |
1229 | 4c9649a9 | j_mayer | if (likely(retaddr)) {
|
1230 | 4c9649a9 | j_mayer | /* now we have a real cpu fault */
|
1231 | 4c9649a9 | j_mayer | pc = (target_phys_addr_t)retaddr; |
1232 | 4c9649a9 | j_mayer | tb = tb_find_pc(pc); |
1233 | 4c9649a9 | j_mayer | if (likely(tb)) {
|
1234 | 4c9649a9 | j_mayer | /* the PC is inside the translated code. It means that we have
|
1235 | 4c9649a9 | j_mayer | a virtual CPU fault */
|
1236 | 4c9649a9 | j_mayer | cpu_restore_state(tb, env, pc, NULL);
|
1237 | 4c9649a9 | j_mayer | } |
1238 | 4c9649a9 | j_mayer | } |
1239 | 4c9649a9 | j_mayer | /* Exception index and error code are already set */
|
1240 | 4c9649a9 | j_mayer | cpu_loop_exit(); |
1241 | 4c9649a9 | j_mayer | } |
1242 | 4c9649a9 | j_mayer | env = saved_env; |
1243 | 4c9649a9 | j_mayer | } |
1244 | 4c9649a9 | j_mayer | |
1245 | 4c9649a9 | j_mayer | #endif |