]>
git.proxmox.com Git - mirror_qemu.git/blob - target-i386/op.c
2 * i386 micro operations
4 * Copyright (c) 2003 Fabrice Bellard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 /* n must be a constant to be efficient */
25 static inline target_long
lshift(target_long x
, int n
)
33 /* we define the various pieces of code used by the JIT */
37 #include "opreg_template.h"
43 #include "opreg_template.h"
49 #include "opreg_template.h"
55 #include "opreg_template.h"
61 #include "opreg_template.h"
67 #include "opreg_template.h"
73 #include "opreg_template.h"
79 #include "opreg_template.h"
85 #define REG (env->regs[8])
87 #include "opreg_template.h"
91 #define REG (env->regs[9])
93 #include "opreg_template.h"
97 #define REG (env->regs[10])
99 #include "opreg_template.h"
103 #define REG (env->regs[11])
105 #include "opreg_template.h"
109 #define REG (env->regs[12])
111 #include "opreg_template.h"
115 #define REG (env->regs[13])
117 #include "opreg_template.h"
121 #define REG (env->regs[14])
123 #include "opreg_template.h"
127 #define REG (env->regs[15])
129 #include "opreg_template.h"
135 /* operations with flags */
137 /* update flags with T0 and T1 (add/sub case) */
138 void OPPROTO
op_update2_cc(void)
144 /* update flags with T0 (logic operation case) */
145 void OPPROTO
op_update1_cc(void)
150 void OPPROTO
op_update_neg_cc(void)
156 void OPPROTO
op_cmpl_T0_T1_cc(void)
162 void OPPROTO
op_update_inc_cc(void)
164 CC_SRC
= cc_table
[CC_OP
].compute_c();
168 void OPPROTO
op_testl_T0_T1_cc(void)
173 /* operations without flags */
175 void OPPROTO
op_addl_T0_T1(void)
180 void OPPROTO
op_orl_T0_T1(void)
185 void OPPROTO
op_andl_T0_T1(void)
190 void OPPROTO
op_subl_T0_T1(void)
195 void OPPROTO
op_xorl_T0_T1(void)
200 void OPPROTO
op_negl_T0(void)
205 void OPPROTO
op_incl_T0(void)
210 void OPPROTO
op_decl_T0(void)
215 void OPPROTO
op_notl_T0(void)
220 void OPPROTO
op_bswapl_T0(void)
226 void OPPROTO
op_bswapq_T0(void)
232 /* multiply/divide */
234 /* XXX: add eflags optimizations */
235 /* XXX: add non P4 style flags */
237 void OPPROTO
op_mulb_AL_T0(void)
240 res
= (uint8_t)EAX
* (uint8_t)T0
;
241 EAX
= (EAX
& ~0xffff) | res
;
243 CC_SRC
= (res
& 0xff00);
246 void OPPROTO
op_imulb_AL_T0(void)
249 res
= (int8_t)EAX
* (int8_t)T0
;
250 EAX
= (EAX
& ~0xffff) | (res
& 0xffff);
252 CC_SRC
= (res
!= (int8_t)res
);
255 void OPPROTO
op_mulw_AX_T0(void)
258 res
= (uint16_t)EAX
* (uint16_t)T0
;
259 EAX
= (EAX
& ~0xffff) | (res
& 0xffff);
260 EDX
= (EDX
& ~0xffff) | ((res
>> 16) & 0xffff);
265 void OPPROTO
op_imulw_AX_T0(void)
268 res
= (int16_t)EAX
* (int16_t)T0
;
269 EAX
= (EAX
& ~0xffff) | (res
& 0xffff);
270 EDX
= (EDX
& ~0xffff) | ((res
>> 16) & 0xffff);
272 CC_SRC
= (res
!= (int16_t)res
);
275 void OPPROTO
op_mull_EAX_T0(void)
278 res
= (uint64_t)((uint32_t)EAX
) * (uint64_t)((uint32_t)T0
);
280 EDX
= (uint32_t)(res
>> 32);
281 CC_DST
= (uint32_t)res
;
282 CC_SRC
= (uint32_t)(res
>> 32);
285 void OPPROTO
op_imull_EAX_T0(void)
288 res
= (int64_t)((int32_t)EAX
) * (int64_t)((int32_t)T0
);
292 CC_SRC
= (res
!= (int32_t)res
);
295 void OPPROTO
op_imulw_T0_T1(void)
298 res
= (int16_t)T0
* (int16_t)T1
;
301 CC_SRC
= (res
!= (int16_t)res
);
304 void OPPROTO
op_imull_T0_T1(void)
307 res
= (int64_t)((int32_t)T0
) * (int64_t)((int32_t)T1
);
310 CC_SRC
= (res
!= (int32_t)res
);
314 void OPPROTO
op_mulq_EAX_T0(void)
316 helper_mulq_EAX_T0();
319 void OPPROTO
op_imulq_EAX_T0(void)
321 helper_imulq_EAX_T0();
324 void OPPROTO
op_imulq_T0_T1(void)
326 helper_imulq_T0_T1();
330 /* division, flags are undefined */
331 /* XXX: add exceptions for overflow */
333 void OPPROTO
op_divb_AL_T0(void)
335 unsigned int num
, den
, q
, r
;
337 num
= (EAX
& 0xffff);
340 raise_exception(EXCP00_DIVZ
);
342 q
= (num
/ den
) & 0xff;
343 r
= (num
% den
) & 0xff;
344 EAX
= (EAX
& ~0xffff) | (r
<< 8) | q
;
347 void OPPROTO
op_idivb_AL_T0(void)
354 raise_exception(EXCP00_DIVZ
);
356 q
= (num
/ den
) & 0xff;
357 r
= (num
% den
) & 0xff;
358 EAX
= (EAX
& ~0xffff) | (r
<< 8) | q
;
361 void OPPROTO
op_divw_AX_T0(void)
363 unsigned int num
, den
, q
, r
;
365 num
= (EAX
& 0xffff) | ((EDX
& 0xffff) << 16);
368 raise_exception(EXCP00_DIVZ
);
370 q
= (num
/ den
) & 0xffff;
371 r
= (num
% den
) & 0xffff;
372 EAX
= (EAX
& ~0xffff) | q
;
373 EDX
= (EDX
& ~0xffff) | r
;
376 void OPPROTO
op_idivw_AX_T0(void)
380 num
= (EAX
& 0xffff) | ((EDX
& 0xffff) << 16);
383 raise_exception(EXCP00_DIVZ
);
385 q
= (num
/ den
) & 0xffff;
386 r
= (num
% den
) & 0xffff;
387 EAX
= (EAX
& ~0xffff) | q
;
388 EDX
= (EDX
& ~0xffff) | r
;
391 void OPPROTO
op_divl_EAX_T0(void)
393 helper_divl_EAX_T0();
396 void OPPROTO
op_idivl_EAX_T0(void)
398 helper_idivl_EAX_T0();
402 void OPPROTO
op_divq_EAX_T0(void)
404 helper_divq_EAX_T0();
407 void OPPROTO
op_idivq_EAX_T0(void)
409 helper_idivq_EAX_T0();
413 /* constant load & misc op */
415 /* XXX: consistent names */
416 void OPPROTO
op_movl_T0_imu(void)
418 T0
= (uint32_t)PARAM1
;
421 void OPPROTO
op_movl_T0_im(void)
423 T0
= (int32_t)PARAM1
;
426 void OPPROTO
op_addl_T0_im(void)
431 void OPPROTO
op_andl_T0_ffff(void)
436 void OPPROTO
op_andl_T0_im(void)
441 void OPPROTO
op_movl_T0_T1(void)
446 void OPPROTO
op_movl_T1_imu(void)
448 T1
= (uint32_t)PARAM1
;
451 void OPPROTO
op_movl_T1_im(void)
453 T1
= (int32_t)PARAM1
;
456 void OPPROTO
op_addl_T1_im(void)
461 void OPPROTO
op_movl_T1_A0(void)
466 void OPPROTO
op_movl_A0_im(void)
468 A0
= (uint32_t)PARAM1
;
471 void OPPROTO
op_addl_A0_im(void)
473 A0
= (uint32_t)(A0
+ PARAM1
);
476 void OPPROTO
op_movl_A0_seg(void)
478 A0
= (uint32_t)*(target_ulong
*)((char *)env
+ PARAM1
);
481 void OPPROTO
op_addl_A0_seg(void)
483 A0
= (uint32_t)(A0
+ *(target_ulong
*)((char *)env
+ PARAM1
));
486 void OPPROTO
op_addl_A0_AL(void)
488 A0
= (uint32_t)(A0
+ (EAX
& 0xff));
491 #ifdef WORDS_BIGENDIAN
492 typedef union UREG64
{
493 struct { uint16_t v3
, v2
, v1
, v0
; } w
;
494 struct { uint32_t v1
, v0
; } l
;
498 typedef union UREG64
{
499 struct { uint16_t v0
, v1
, v2
, v3
; } w
;
500 struct { uint32_t v0
, v1
; } l
;
515 void OPPROTO
op_movq_T0_im64(void)
520 void OPPROTO
op_movq_A0_im(void)
522 A0
= (int32_t)PARAM1
;
525 void OPPROTO
op_movq_A0_im64(void)
530 void OPPROTO
op_addq_A0_im(void)
532 A0
= (A0
+ (int32_t)PARAM1
);
535 void OPPROTO
op_addq_A0_im64(void)
540 void OPPROTO
op_movq_A0_seg(void)
542 A0
= *(target_ulong
*)((char *)env
+ PARAM1
);
545 void OPPROTO
op_addq_A0_seg(void)
547 A0
+= *(target_ulong
*)((char *)env
+ PARAM1
);
550 void OPPROTO
op_addq_A0_AL(void)
552 A0
= (A0
+ (EAX
& 0xff));
557 void OPPROTO
op_andl_A0_ffff(void)
564 #define MEMSUFFIX _raw
567 #if !defined(CONFIG_USER_ONLY)
568 #define MEMSUFFIX _kernel
571 #define MEMSUFFIX _user
577 void OPPROTO
op_jmp_T0(void)
582 void OPPROTO
op_movl_eip_im(void)
584 EIP
= (uint32_t)PARAM1
;
588 void OPPROTO
op_movq_eip_im(void)
590 EIP
= (int32_t)PARAM1
;
593 void OPPROTO
op_movq_eip_im64(void)
599 void OPPROTO
op_hlt(void)
601 env
->hflags
&= ~HF_INHIBIT_IRQ_MASK
; /* needed if sti is just before */
602 env
->exception_index
= EXCP_HLT
;
606 void OPPROTO
op_debug(void)
608 env
->exception_index
= EXCP_DEBUG
;
612 void OPPROTO
op_raise_interrupt(void)
615 unsigned int next_eip
;
618 raise_interrupt(intno
, 1, 0, next_eip
);
621 void OPPROTO
op_raise_exception(void)
624 exception_index
= PARAM1
;
625 raise_exception(exception_index
);
628 void OPPROTO
op_into(void)
631 eflags
= cc_table
[CC_OP
].compute_all();
633 raise_interrupt(EXCP04_INTO
, 1, 0, PARAM1
);
638 void OPPROTO
op_cli(void)
640 env
->eflags
&= ~IF_MASK
;
643 void OPPROTO
op_sti(void)
645 env
->eflags
|= IF_MASK
;
648 void OPPROTO
op_set_inhibit_irq(void)
650 env
->hflags
|= HF_INHIBIT_IRQ_MASK
;
653 void OPPROTO
op_reset_inhibit_irq(void)
655 env
->hflags
&= ~HF_INHIBIT_IRQ_MASK
;
659 /* vm86plus instructions */
660 void OPPROTO
op_cli_vm(void)
662 env
->eflags
&= ~VIF_MASK
;
665 void OPPROTO
op_sti_vm(void)
667 env
->eflags
|= VIF_MASK
;
668 if (env
->eflags
& VIP_MASK
) {
670 raise_exception(EXCP0D_GPF
);
676 void OPPROTO
op_boundw(void)
682 if (v
< low
|| v
> high
) {
683 raise_exception(EXCP05_BOUND
);
688 void OPPROTO
op_boundl(void)
694 if (v
< low
|| v
> high
) {
695 raise_exception(EXCP05_BOUND
);
700 void OPPROTO
op_cmpxchg8b(void)
705 void OPPROTO
op_movl_T0_0(void)
710 void OPPROTO
op_exit_tb(void)
715 /* multiple size ops */
720 #include "ops_template.h"
724 #include "ops_template.h"
728 #include "ops_template.h"
734 #include "ops_template.h"
741 void OPPROTO
op_movsbl_T0_T0(void)
746 void OPPROTO
op_movzbl_T0_T0(void)
751 void OPPROTO
op_movswl_T0_T0(void)
756 void OPPROTO
op_movslq_T0_T0(void)
761 void OPPROTO
op_movzwl_T0_T0(void)
766 void OPPROTO
op_movswl_EAX_AX(void)
772 void OPPROTO
op_movslq_RAX_EAX(void)
778 void OPPROTO
op_movsbw_AX_AL(void)
780 EAX
= (EAX
& ~0xffff) | ((int8_t)EAX
& 0xffff);
783 void OPPROTO
op_movslq_EDX_EAX(void)
785 EDX
= (int32_t)EAX
>> 31;
788 void OPPROTO
op_movswl_DX_AX(void)
790 EDX
= (EDX
& ~0xffff) | (((int16_t)EAX
>> 15) & 0xffff);
794 void OPPROTO
op_movsqo_RDX_RAX(void)
796 EDX
= (int64_t)EAX
>> 63;
800 /* string ops helpers */
802 void OPPROTO
op_addl_ESI_T0(void)
804 ESI
= (uint32_t)(ESI
+ T0
);
807 void OPPROTO
op_addw_ESI_T0(void)
809 ESI
= (ESI
& ~0xffff) | ((ESI
+ T0
) & 0xffff);
812 void OPPROTO
op_addl_EDI_T0(void)
814 EDI
= (uint32_t)(EDI
+ T0
);
817 void OPPROTO
op_addw_EDI_T0(void)
819 EDI
= (EDI
& ~0xffff) | ((EDI
+ T0
) & 0xffff);
822 void OPPROTO
op_decl_ECX(void)
824 ECX
= (uint32_t)(ECX
- 1);
827 void OPPROTO
op_decw_ECX(void)
829 ECX
= (ECX
& ~0xffff) | ((ECX
- 1) & 0xffff);
833 void OPPROTO
op_addq_ESI_T0(void)
838 void OPPROTO
op_addq_EDI_T0(void)
843 void OPPROTO
op_decq_ECX(void)
851 void op_addl_A0_SS(void)
853 A0
+= (long)env
->segs
[R_SS
].base
;
856 void op_subl_A0_2(void)
858 A0
= (uint32_t)(A0
- 2);
861 void op_subl_A0_4(void)
863 A0
= (uint32_t)(A0
- 4);
866 void op_addl_ESP_4(void)
868 ESP
= (uint32_t)(ESP
+ 4);
871 void op_addl_ESP_2(void)
873 ESP
= (uint32_t)(ESP
+ 2);
876 void op_addw_ESP_4(void)
878 ESP
= (ESP
& ~0xffff) | ((ESP
+ 4) & 0xffff);
881 void op_addw_ESP_2(void)
883 ESP
= (ESP
& ~0xffff) | ((ESP
+ 2) & 0xffff);
886 void op_addl_ESP_im(void)
888 ESP
= (uint32_t)(ESP
+ PARAM1
);
891 void op_addw_ESP_im(void)
893 ESP
= (ESP
& ~0xffff) | ((ESP
+ PARAM1
) & 0xffff);
897 void op_subq_A0_8(void)
902 void op_addq_ESP_8(void)
907 void op_addq_ESP_im(void)
913 void OPPROTO
op_rdtsc(void)
918 void OPPROTO
op_cpuid(void)
923 void OPPROTO
op_enter_level(void)
925 helper_enter_level(PARAM1
, PARAM2
);
928 void OPPROTO
op_sysenter(void)
933 void OPPROTO
op_sysexit(void)
939 void OPPROTO
op_syscall(void)
944 void OPPROTO
op_sysret(void)
946 helper_sysret(PARAM1
);
950 void OPPROTO
op_rdmsr(void)
955 void OPPROTO
op_wrmsr(void)
963 void OPPROTO
op_aam(void)
970 EAX
= (EAX
& ~0xffff) | al
| (ah
<< 8);
974 void OPPROTO
op_aad(void)
979 ah
= (EAX
>> 8) & 0xff;
980 al
= ((ah
* base
) + al
) & 0xff;
981 EAX
= (EAX
& ~0xffff) | al
;
985 void OPPROTO
op_aaa(void)
991 eflags
= cc_table
[CC_OP
].compute_all();
994 ah
= (EAX
>> 8) & 0xff;
996 icarry
= (al
> 0xf9);
997 if (((al
& 0x0f) > 9 ) || af
) {
998 al
= (al
+ 6) & 0x0f;
999 ah
= (ah
+ 1 + icarry
) & 0xff;
1000 eflags
|= CC_C
| CC_A
;
1002 eflags
&= ~(CC_C
| CC_A
);
1005 EAX
= (EAX
& ~0xffff) | al
| (ah
<< 8);
1009 void OPPROTO
op_aas(void)
1015 eflags
= cc_table
[CC_OP
].compute_all();
1018 ah
= (EAX
>> 8) & 0xff;
1021 if (((al
& 0x0f) > 9 ) || af
) {
1022 al
= (al
- 6) & 0x0f;
1023 ah
= (ah
- 1 - icarry
) & 0xff;
1024 eflags
|= CC_C
| CC_A
;
1026 eflags
&= ~(CC_C
| CC_A
);
1029 EAX
= (EAX
& ~0xffff) | al
| (ah
<< 8);
1033 void OPPROTO
op_daa(void)
1038 eflags
= cc_table
[CC_OP
].compute_all();
1044 if (((al
& 0x0f) > 9 ) || af
) {
1045 al
= (al
+ 6) & 0xff;
1048 if ((al
> 0x9f) || cf
) {
1049 al
= (al
+ 0x60) & 0xff;
1052 EAX
= (EAX
& ~0xff) | al
;
1053 /* well, speed is not an issue here, so we compute the flags by hand */
1054 eflags
|= (al
== 0) << 6; /* zf */
1055 eflags
|= parity_table
[al
]; /* pf */
1056 eflags
|= (al
& 0x80); /* sf */
1060 void OPPROTO
op_das(void)
1062 int al
, al1
, af
, cf
;
1065 eflags
= cc_table
[CC_OP
].compute_all();
1072 if (((al
& 0x0f) > 9 ) || af
) {
1076 al
= (al
- 6) & 0xff;
1078 if ((al1
> 0x99) || cf
) {
1079 al
= (al
- 0x60) & 0xff;
1082 EAX
= (EAX
& ~0xff) | al
;
1083 /* well, speed is not an issue here, so we compute the flags by hand */
1084 eflags
|= (al
== 0) << 6; /* zf */
1085 eflags
|= parity_table
[al
]; /* pf */
1086 eflags
|= (al
& 0x80); /* sf */
1090 /* segment handling */
1092 /* never use it with R_CS */
1093 void OPPROTO
op_movl_seg_T0(void)
1095 load_seg(PARAM1
, T0
);
1098 /* faster VM86 version */
1099 void OPPROTO
op_movl_seg_T0_vm(void)
1104 selector
= T0
& 0xffff;
1105 /* env->segs[] access */
1106 sc
= (SegmentCache
*)((char *)env
+ PARAM1
);
1107 sc
->selector
= selector
;
1108 sc
->base
= (selector
<< 4);
1111 void OPPROTO
op_movl_T0_seg(void)
1113 T0
= env
->segs
[PARAM1
].selector
;
1116 void OPPROTO
op_lsl(void)
1121 void OPPROTO
op_lar(void)
1126 void OPPROTO
op_verr(void)
1131 void OPPROTO
op_verw(void)
1136 void OPPROTO
op_arpl(void)
1138 if ((T0
& 3) < (T1
& 3)) {
1139 /* XXX: emulate bug or 0xff3f0000 oring as in bochs ? */
1140 T0
= (T0
& ~3) | (T1
& 3);
1148 void OPPROTO
op_arpl_update(void)
1151 eflags
= cc_table
[CC_OP
].compute_all();
1152 CC_SRC
= (eflags
& ~CC_Z
) | T1
;
1155 /* T0: segment, T1:eip */
1156 void OPPROTO
op_ljmp_protected_T0_T1(void)
1158 helper_ljmp_protected_T0_T1(PARAM1
);
1161 void OPPROTO
op_lcall_real_T0_T1(void)
1163 helper_lcall_real_T0_T1(PARAM1
, PARAM2
);
1166 void OPPROTO
op_lcall_protected_T0_T1(void)
1168 helper_lcall_protected_T0_T1(PARAM1
, PARAM2
);
1171 void OPPROTO
op_iret_real(void)
1173 helper_iret_real(PARAM1
);
1176 void OPPROTO
op_iret_protected(void)
1178 helper_iret_protected(PARAM1
, PARAM2
);
1181 void OPPROTO
op_lret_protected(void)
1183 helper_lret_protected(PARAM1
, PARAM2
);
1186 void OPPROTO
op_lldt_T0(void)
1191 void OPPROTO
op_ltr_T0(void)
1196 /* CR registers access */
1197 void OPPROTO
op_movl_crN_T0(void)
1199 helper_movl_crN_T0(PARAM1
);
1202 /* DR registers access */
1203 void OPPROTO
op_movl_drN_T0(void)
1205 helper_movl_drN_T0(PARAM1
);
1208 void OPPROTO
op_lmsw_T0(void)
1210 /* only 4 lower bits of CR0 are modified. PE cannot be set to zero
1211 if already set to one. */
1212 T0
= (env
->cr
[0] & ~0xe) | (T0
& 0xf);
1213 helper_movl_crN_T0(0);
1216 void OPPROTO
op_invlpg_A0(void)
1221 void OPPROTO
op_movl_T0_env(void)
1223 T0
= *(uint32_t *)((char *)env
+ PARAM1
);
1226 void OPPROTO
op_movl_env_T0(void)
1228 *(uint32_t *)((char *)env
+ PARAM1
) = T0
;
1231 void OPPROTO
op_movl_env_T1(void)
1233 *(uint32_t *)((char *)env
+ PARAM1
) = T1
;
1236 void OPPROTO
op_movtl_T0_env(void)
1238 T0
= *(target_ulong
*)((char *)env
+ PARAM1
);
1241 void OPPROTO
op_movtl_env_T0(void)
1243 *(target_ulong
*)((char *)env
+ PARAM1
) = T0
;
1246 void OPPROTO
op_movtl_T1_env(void)
1248 T1
= *(target_ulong
*)((char *)env
+ PARAM1
);
1251 void OPPROTO
op_movtl_env_T1(void)
1253 *(target_ulong
*)((char *)env
+ PARAM1
) = T1
;
1256 void OPPROTO
op_clts(void)
1258 env
->cr
[0] &= ~CR0_TS_MASK
;
1259 env
->hflags
&= ~HF_TS_MASK
;
1262 /* flags handling */
1264 void OPPROTO
op_goto_tb0(void)
1266 GOTO_TB(op_goto_tb0
, 0);
1269 void OPPROTO
op_goto_tb1(void)
1271 GOTO_TB(op_goto_tb1
, 1);
1274 void OPPROTO
op_jmp_label(void)
1276 GOTO_LABEL_PARAM(1);
1279 void OPPROTO
op_jnz_T0_label(void)
1282 GOTO_LABEL_PARAM(1);
1285 void OPPROTO
op_jz_T0_label(void)
1288 GOTO_LABEL_PARAM(1);
1291 /* slow set cases (compute x86 flags) */
1292 void OPPROTO
op_seto_T0_cc(void)
1295 eflags
= cc_table
[CC_OP
].compute_all();
1296 T0
= (eflags
>> 11) & 1;
1299 void OPPROTO
op_setb_T0_cc(void)
1301 T0
= cc_table
[CC_OP
].compute_c();
1304 void OPPROTO
op_setz_T0_cc(void)
1307 eflags
= cc_table
[CC_OP
].compute_all();
1308 T0
= (eflags
>> 6) & 1;
1311 void OPPROTO
op_setbe_T0_cc(void)
1314 eflags
= cc_table
[CC_OP
].compute_all();
1315 T0
= (eflags
& (CC_Z
| CC_C
)) != 0;
1318 void OPPROTO
op_sets_T0_cc(void)
1321 eflags
= cc_table
[CC_OP
].compute_all();
1322 T0
= (eflags
>> 7) & 1;
1325 void OPPROTO
op_setp_T0_cc(void)
1328 eflags
= cc_table
[CC_OP
].compute_all();
1329 T0
= (eflags
>> 2) & 1;
1332 void OPPROTO
op_setl_T0_cc(void)
1335 eflags
= cc_table
[CC_OP
].compute_all();
1336 T0
= ((eflags
^ (eflags
>> 4)) >> 7) & 1;
1339 void OPPROTO
op_setle_T0_cc(void)
1342 eflags
= cc_table
[CC_OP
].compute_all();
1343 T0
= (((eflags
^ (eflags
>> 4)) & 0x80) || (eflags
& CC_Z
)) != 0;
1346 void OPPROTO
op_xor_T0_1(void)
1351 void OPPROTO
op_set_cc_op(void)
1356 /* XXX: clear VIF/VIP in all ops ? */
1358 void OPPROTO
op_movl_eflags_T0(void)
1360 load_eflags(T0
, (TF_MASK
| AC_MASK
| ID_MASK
| NT_MASK
));
1363 void OPPROTO
op_movw_eflags_T0(void)
1365 load_eflags(T0
, (TF_MASK
| AC_MASK
| ID_MASK
| NT_MASK
) & 0xffff);
1368 void OPPROTO
op_movl_eflags_T0_io(void)
1370 load_eflags(T0
, (TF_MASK
| AC_MASK
| ID_MASK
| NT_MASK
| IF_MASK
));
1373 void OPPROTO
op_movw_eflags_T0_io(void)
1375 load_eflags(T0
, (TF_MASK
| AC_MASK
| ID_MASK
| NT_MASK
| IF_MASK
) & 0xffff);
1378 void OPPROTO
op_movl_eflags_T0_cpl0(void)
1380 load_eflags(T0
, (TF_MASK
| AC_MASK
| ID_MASK
| NT_MASK
| IF_MASK
| IOPL_MASK
));
1383 void OPPROTO
op_movw_eflags_T0_cpl0(void)
1385 load_eflags(T0
, (TF_MASK
| AC_MASK
| ID_MASK
| NT_MASK
| IF_MASK
| IOPL_MASK
) & 0xffff);
1389 /* vm86plus version */
1390 void OPPROTO
op_movw_eflags_T0_vm(void)
1394 CC_SRC
= eflags
& (CC_O
| CC_S
| CC_Z
| CC_A
| CC_P
| CC_C
);
1395 DF
= 1 - (2 * ((eflags
>> 10) & 1));
1396 /* we also update some system flags as in user mode */
1397 env
->eflags
= (env
->eflags
& ~(FL_UPDATE_MASK16
| VIF_MASK
)) |
1398 (eflags
& FL_UPDATE_MASK16
);
1399 if (eflags
& IF_MASK
) {
1400 env
->eflags
|= VIF_MASK
;
1401 if (env
->eflags
& VIP_MASK
) {
1403 raise_exception(EXCP0D_GPF
);
1409 void OPPROTO
op_movl_eflags_T0_vm(void)
1413 CC_SRC
= eflags
& (CC_O
| CC_S
| CC_Z
| CC_A
| CC_P
| CC_C
);
1414 DF
= 1 - (2 * ((eflags
>> 10) & 1));
1415 /* we also update some system flags as in user mode */
1416 env
->eflags
= (env
->eflags
& ~(FL_UPDATE_MASK32
| VIF_MASK
)) |
1417 (eflags
& FL_UPDATE_MASK32
);
1418 if (eflags
& IF_MASK
) {
1419 env
->eflags
|= VIF_MASK
;
1420 if (env
->eflags
& VIP_MASK
) {
1422 raise_exception(EXCP0D_GPF
);
1429 /* XXX: compute only O flag */
1430 void OPPROTO
op_movb_eflags_T0(void)
1433 of
= cc_table
[CC_OP
].compute_all() & CC_O
;
1434 CC_SRC
= (T0
& (CC_S
| CC_Z
| CC_A
| CC_P
| CC_C
)) | of
;
1437 void OPPROTO
op_movl_T0_eflags(void)
1440 eflags
= cc_table
[CC_OP
].compute_all();
1441 eflags
|= (DF
& DF_MASK
);
1442 eflags
|= env
->eflags
& ~(VM_MASK
| RF_MASK
);
1446 /* vm86plus version */
1448 void OPPROTO
op_movl_T0_eflags_vm(void)
1451 eflags
= cc_table
[CC_OP
].compute_all();
1452 eflags
|= (DF
& DF_MASK
);
1453 eflags
|= env
->eflags
& ~(VM_MASK
| RF_MASK
| IF_MASK
);
1454 if (env
->eflags
& VIF_MASK
)
1460 void OPPROTO
op_cld(void)
1465 void OPPROTO
op_std(void)
1470 void OPPROTO
op_clc(void)
1473 eflags
= cc_table
[CC_OP
].compute_all();
1478 void OPPROTO
op_stc(void)
1481 eflags
= cc_table
[CC_OP
].compute_all();
1486 void OPPROTO
op_cmc(void)
1489 eflags
= cc_table
[CC_OP
].compute_all();
1494 void OPPROTO
op_salc(void)
1497 cf
= cc_table
[CC_OP
].compute_c();
1498 EAX
= (EAX
& ~0xff) | ((-cf
) & 0xff);
1501 static int compute_all_eflags(void)
1506 static int compute_c_eflags(void)
1508 return CC_SRC
& CC_C
;
1511 CCTable cc_table
[CC_OP_NB
] = {
1512 [CC_OP_DYNAMIC
] = { /* should never happen */ },
1514 [CC_OP_EFLAGS
] = { compute_all_eflags
, compute_c_eflags
},
1516 [CC_OP_MULB
] = { compute_all_mulb
, compute_c_mull
},
1517 [CC_OP_MULW
] = { compute_all_mulw
, compute_c_mull
},
1518 [CC_OP_MULL
] = { compute_all_mull
, compute_c_mull
},
1520 [CC_OP_ADDB
] = { compute_all_addb
, compute_c_addb
},
1521 [CC_OP_ADDW
] = { compute_all_addw
, compute_c_addw
},
1522 [CC_OP_ADDL
] = { compute_all_addl
, compute_c_addl
},
1524 [CC_OP_ADCB
] = { compute_all_adcb
, compute_c_adcb
},
1525 [CC_OP_ADCW
] = { compute_all_adcw
, compute_c_adcw
},
1526 [CC_OP_ADCL
] = { compute_all_adcl
, compute_c_adcl
},
1528 [CC_OP_SUBB
] = { compute_all_subb
, compute_c_subb
},
1529 [CC_OP_SUBW
] = { compute_all_subw
, compute_c_subw
},
1530 [CC_OP_SUBL
] = { compute_all_subl
, compute_c_subl
},
1532 [CC_OP_SBBB
] = { compute_all_sbbb
, compute_c_sbbb
},
1533 [CC_OP_SBBW
] = { compute_all_sbbw
, compute_c_sbbw
},
1534 [CC_OP_SBBL
] = { compute_all_sbbl
, compute_c_sbbl
},
1536 [CC_OP_LOGICB
] = { compute_all_logicb
, compute_c_logicb
},
1537 [CC_OP_LOGICW
] = { compute_all_logicw
, compute_c_logicw
},
1538 [CC_OP_LOGICL
] = { compute_all_logicl
, compute_c_logicl
},
1540 [CC_OP_INCB
] = { compute_all_incb
, compute_c_incl
},
1541 [CC_OP_INCW
] = { compute_all_incw
, compute_c_incl
},
1542 [CC_OP_INCL
] = { compute_all_incl
, compute_c_incl
},
1544 [CC_OP_DECB
] = { compute_all_decb
, compute_c_incl
},
1545 [CC_OP_DECW
] = { compute_all_decw
, compute_c_incl
},
1546 [CC_OP_DECL
] = { compute_all_decl
, compute_c_incl
},
1548 [CC_OP_SHLB
] = { compute_all_shlb
, compute_c_shlb
},
1549 [CC_OP_SHLW
] = { compute_all_shlw
, compute_c_shlw
},
1550 [CC_OP_SHLL
] = { compute_all_shll
, compute_c_shll
},
1552 [CC_OP_SARB
] = { compute_all_sarb
, compute_c_sarl
},
1553 [CC_OP_SARW
] = { compute_all_sarw
, compute_c_sarl
},
1554 [CC_OP_SARL
] = { compute_all_sarl
, compute_c_sarl
},
1556 #ifdef TARGET_X86_64
1557 [CC_OP_MULQ
] = { compute_all_mulq
, compute_c_mull
},
1559 [CC_OP_ADDQ
] = { compute_all_addq
, compute_c_addq
},
1561 [CC_OP_ADCQ
] = { compute_all_adcq
, compute_c_adcq
},
1563 [CC_OP_SUBQ
] = { compute_all_subq
, compute_c_subq
},
1565 [CC_OP_SBBQ
] = { compute_all_sbbq
, compute_c_sbbq
},
1567 [CC_OP_LOGICQ
] = { compute_all_logicq
, compute_c_logicq
},
1569 [CC_OP_INCQ
] = { compute_all_incq
, compute_c_incl
},
1571 [CC_OP_DECQ
] = { compute_all_decq
, compute_c_incl
},
1573 [CC_OP_SHLQ
] = { compute_all_shlq
, compute_c_shlq
},
1575 [CC_OP_SARQ
] = { compute_all_sarq
, compute_c_sarl
},
1579 /* floating point support. Some of the code for complicated x87
1580 functions comes from the LGPL'ed x86 emulator found in the Willows
1581 TWIN windows emulator. */
1583 #if defined(__powerpc__)
1584 extern CPU86_LDouble
copysign(CPU86_LDouble
, CPU86_LDouble
);
1586 /* correct (but slow) PowerPC rint() (glibc version is incorrect) */
1587 double qemu_rint(double x
)
1589 double y
= 4503599627370496.0;
1600 #define rint qemu_rint
1605 void OPPROTO
op_flds_FT0_A0(void)
1607 #ifdef USE_FP_CONVERT
1608 FP_CONVERT
.i32
= ldl(A0
);
1615 void OPPROTO
op_fldl_FT0_A0(void)
1617 #ifdef USE_FP_CONVERT
1618 FP_CONVERT
.i64
= ldq(A0
);
1625 /* helpers are needed to avoid static constant reference. XXX: find a better way */
1626 #ifdef USE_INT_TO_FLOAT_HELPERS
1628 void helper_fild_FT0_A0(void)
1630 FT0
= (CPU86_LDouble
)ldsw(A0
);
1633 void helper_fildl_FT0_A0(void)
1635 FT0
= (CPU86_LDouble
)((int32_t)ldl(A0
));
1638 void helper_fildll_FT0_A0(void)
1640 FT0
= (CPU86_LDouble
)((int64_t)ldq(A0
));
1643 void OPPROTO
op_fild_FT0_A0(void)
1645 helper_fild_FT0_A0();
1648 void OPPROTO
op_fildl_FT0_A0(void)
1650 helper_fildl_FT0_A0();
1653 void OPPROTO
op_fildll_FT0_A0(void)
1655 helper_fildll_FT0_A0();
1660 void OPPROTO
op_fild_FT0_A0(void)
1662 #ifdef USE_FP_CONVERT
1663 FP_CONVERT
.i32
= ldsw(A0
);
1664 FT0
= (CPU86_LDouble
)FP_CONVERT
.i32
;
1666 FT0
= (CPU86_LDouble
)ldsw(A0
);
1670 void OPPROTO
op_fildl_FT0_A0(void)
1672 #ifdef USE_FP_CONVERT
1673 FP_CONVERT
.i32
= (int32_t) ldl(A0
);
1674 FT0
= (CPU86_LDouble
)FP_CONVERT
.i32
;
1676 FT0
= (CPU86_LDouble
)((int32_t)ldl(A0
));
1680 void OPPROTO
op_fildll_FT0_A0(void)
1682 #ifdef USE_FP_CONVERT
1683 FP_CONVERT
.i64
= (int64_t) ldq(A0
);
1684 FT0
= (CPU86_LDouble
)FP_CONVERT
.i64
;
1686 FT0
= (CPU86_LDouble
)((int64_t)ldq(A0
));
1693 void OPPROTO
op_flds_ST0_A0(void)
1696 new_fpstt
= (env
->fpstt
- 1) & 7;
1697 #ifdef USE_FP_CONVERT
1698 FP_CONVERT
.i32
= ldl(A0
);
1699 env
->fpregs
[new_fpstt
] = FP_CONVERT
.f
;
1701 env
->fpregs
[new_fpstt
] = ldfl(A0
);
1703 env
->fpstt
= new_fpstt
;
1704 env
->fptags
[new_fpstt
] = 0; /* validate stack entry */
1707 void OPPROTO
op_fldl_ST0_A0(void)
1710 new_fpstt
= (env
->fpstt
- 1) & 7;
1711 #ifdef USE_FP_CONVERT
1712 FP_CONVERT
.i64
= ldq(A0
);
1713 env
->fpregs
[new_fpstt
] = FP_CONVERT
.d
;
1715 env
->fpregs
[new_fpstt
] = ldfq(A0
);
1717 env
->fpstt
= new_fpstt
;
1718 env
->fptags
[new_fpstt
] = 0; /* validate stack entry */
1721 void OPPROTO
op_fldt_ST0_A0(void)
1723 helper_fldt_ST0_A0();
1726 /* helpers are needed to avoid static constant reference. XXX: find a better way */
1727 #ifdef USE_INT_TO_FLOAT_HELPERS
1729 void helper_fild_ST0_A0(void)
1732 new_fpstt
= (env
->fpstt
- 1) & 7;
1733 env
->fpregs
[new_fpstt
] = (CPU86_LDouble
)ldsw(A0
);
1734 env
->fpstt
= new_fpstt
;
1735 env
->fptags
[new_fpstt
] = 0; /* validate stack entry */
1738 void helper_fildl_ST0_A0(void)
1741 new_fpstt
= (env
->fpstt
- 1) & 7;
1742 env
->fpregs
[new_fpstt
] = (CPU86_LDouble
)((int32_t)ldl(A0
));
1743 env
->fpstt
= new_fpstt
;
1744 env
->fptags
[new_fpstt
] = 0; /* validate stack entry */
1747 void helper_fildll_ST0_A0(void)
1750 new_fpstt
= (env
->fpstt
- 1) & 7;
1751 env
->fpregs
[new_fpstt
] = (CPU86_LDouble
)((int64_t)ldq(A0
));
1752 env
->fpstt
= new_fpstt
;
1753 env
->fptags
[new_fpstt
] = 0; /* validate stack entry */
1756 void OPPROTO
op_fild_ST0_A0(void)
1758 helper_fild_ST0_A0();
1761 void OPPROTO
op_fildl_ST0_A0(void)
1763 helper_fildl_ST0_A0();
1766 void OPPROTO
op_fildll_ST0_A0(void)
1768 helper_fildll_ST0_A0();
1773 void OPPROTO
op_fild_ST0_A0(void)
1776 new_fpstt
= (env
->fpstt
- 1) & 7;
1777 #ifdef USE_FP_CONVERT
1778 FP_CONVERT
.i32
= ldsw(A0
);
1779 env
->fpregs
[new_fpstt
] = (CPU86_LDouble
)FP_CONVERT
.i32
;
1781 env
->fpregs
[new_fpstt
] = (CPU86_LDouble
)ldsw(A0
);
1783 env
->fpstt
= new_fpstt
;
1784 env
->fptags
[new_fpstt
] = 0; /* validate stack entry */
1787 void OPPROTO
op_fildl_ST0_A0(void)
1790 new_fpstt
= (env
->fpstt
- 1) & 7;
1791 #ifdef USE_FP_CONVERT
1792 FP_CONVERT
.i32
= (int32_t) ldl(A0
);
1793 env
->fpregs
[new_fpstt
] = (CPU86_LDouble
)FP_CONVERT
.i32
;
1795 env
->fpregs
[new_fpstt
] = (CPU86_LDouble
)((int32_t)ldl(A0
));
1797 env
->fpstt
= new_fpstt
;
1798 env
->fptags
[new_fpstt
] = 0; /* validate stack entry */
1801 void OPPROTO
op_fildll_ST0_A0(void)
1804 new_fpstt
= (env
->fpstt
- 1) & 7;
1805 #ifdef USE_FP_CONVERT
1806 FP_CONVERT
.i64
= (int64_t) ldq(A0
);
1807 env
->fpregs
[new_fpstt
] = (CPU86_LDouble
)FP_CONVERT
.i64
;
1809 env
->fpregs
[new_fpstt
] = (CPU86_LDouble
)((int64_t)ldq(A0
));
1811 env
->fpstt
= new_fpstt
;
1812 env
->fptags
[new_fpstt
] = 0; /* validate stack entry */
1819 void OPPROTO
op_fsts_ST0_A0(void)
1821 #ifdef USE_FP_CONVERT
1822 FP_CONVERT
.f
= (float)ST0
;
1823 stfl(A0
, FP_CONVERT
.f
);
1825 stfl(A0
, (float)ST0
);
1829 void OPPROTO
op_fstl_ST0_A0(void)
1831 stfq(A0
, (double)ST0
);
1834 void OPPROTO
op_fstt_ST0_A0(void)
1836 helper_fstt_ST0_A0();
1839 void OPPROTO
op_fist_ST0_A0(void)
1841 #if defined(__sparc__) && !defined(__sparc_v9__)
1842 register CPU86_LDouble d
asm("o0");
1850 if (val
!= (int16_t)val
)
1855 void OPPROTO
op_fistl_ST0_A0(void)
1857 #if defined(__sparc__) && !defined(__sparc_v9__)
1858 register CPU86_LDouble d
asm("o0");
1869 void OPPROTO
op_fistll_ST0_A0(void)
1871 #if defined(__sparc__) && !defined(__sparc_v9__)
1872 register CPU86_LDouble d
asm("o0");
1883 void OPPROTO
op_fbld_ST0_A0(void)
1885 helper_fbld_ST0_A0();
1888 void OPPROTO
op_fbst_ST0_A0(void)
1890 helper_fbst_ST0_A0();
1895 void OPPROTO
op_fpush(void)
1900 void OPPROTO
op_fpop(void)
1905 void OPPROTO
op_fdecstp(void)
1907 env
->fpstt
= (env
->fpstt
- 1) & 7;
1908 env
->fpus
&= (~0x4700);
1911 void OPPROTO
op_fincstp(void)
1913 env
->fpstt
= (env
->fpstt
+ 1) & 7;
1914 env
->fpus
&= (~0x4700);
1917 void OPPROTO
op_ffree_STN(void)
1919 env
->fptags
[(env
->fpstt
+ PARAM1
) & 7] = 1;
1922 void OPPROTO
op_fmov_ST0_FT0(void)
1927 void OPPROTO
op_fmov_FT0_STN(void)
1932 void OPPROTO
op_fmov_ST0_STN(void)
1937 void OPPROTO
op_fmov_STN_ST0(void)
1942 void OPPROTO
op_fxchg_ST0_STN(void)
1950 /* FPU operations */
1952 /* XXX: handle nans */
1953 void OPPROTO
op_fcom_ST0_FT0(void)
1955 env
->fpus
&= (~0x4500); /* (C3,C2,C0) <-- 000 */
1957 env
->fpus
|= 0x100; /* (C3,C2,C0) <-- 001 */
1958 else if (ST0
== FT0
)
1959 env
->fpus
|= 0x4000; /* (C3,C2,C0) <-- 100 */
1963 /* XXX: handle nans */
1964 void OPPROTO
op_fucom_ST0_FT0(void)
1966 env
->fpus
&= (~0x4500); /* (C3,C2,C0) <-- 000 */
1968 env
->fpus
|= 0x100; /* (C3,C2,C0) <-- 001 */
1969 else if (ST0
== FT0
)
1970 env
->fpus
|= 0x4000; /* (C3,C2,C0) <-- 100 */
1974 /* XXX: handle nans */
1975 void OPPROTO
op_fcomi_ST0_FT0(void)
1978 eflags
= cc_table
[CC_OP
].compute_all();
1979 eflags
&= ~(CC_Z
| CC_P
| CC_C
);
1982 else if (ST0
== FT0
)
1988 /* XXX: handle nans */
1989 void OPPROTO
op_fucomi_ST0_FT0(void)
1992 eflags
= cc_table
[CC_OP
].compute_all();
1993 eflags
&= ~(CC_Z
| CC_P
| CC_C
);
1996 else if (ST0
== FT0
)
2002 void OPPROTO
op_fcmov_ST0_STN_T0(void)
2010 void OPPROTO
op_fadd_ST0_FT0(void)
2015 void OPPROTO
op_fmul_ST0_FT0(void)
2020 void OPPROTO
op_fsub_ST0_FT0(void)
2025 void OPPROTO
op_fsubr_ST0_FT0(void)
2030 void OPPROTO
op_fdiv_ST0_FT0(void)
2032 ST0
= helper_fdiv(ST0
, FT0
);
2035 void OPPROTO
op_fdivr_ST0_FT0(void)
2037 ST0
= helper_fdiv(FT0
, ST0
);
2040 /* fp operations between STN and ST0 */
2042 void OPPROTO
op_fadd_STN_ST0(void)
2047 void OPPROTO
op_fmul_STN_ST0(void)
2052 void OPPROTO
op_fsub_STN_ST0(void)
2057 void OPPROTO
op_fsubr_STN_ST0(void)
2064 void OPPROTO
op_fdiv_STN_ST0(void)
2068 *p
= helper_fdiv(*p
, ST0
);
2071 void OPPROTO
op_fdivr_STN_ST0(void)
2075 *p
= helper_fdiv(ST0
, *p
);
2078 /* misc FPU operations */
2079 void OPPROTO
op_fchs_ST0(void)
2084 void OPPROTO
op_fabs_ST0(void)
2089 void OPPROTO
op_fxam_ST0(void)
2094 void OPPROTO
op_fld1_ST0(void)
2099 void OPPROTO
op_fldl2t_ST0(void)
2104 void OPPROTO
op_fldl2e_ST0(void)
2109 void OPPROTO
op_fldpi_ST0(void)
2114 void OPPROTO
op_fldlg2_ST0(void)
2119 void OPPROTO
op_fldln2_ST0(void)
2124 void OPPROTO
op_fldz_ST0(void)
2129 void OPPROTO
op_fldz_FT0(void)
2134 /* associated heplers to reduce generated code length and to simplify
2135 relocation (FP constants are usually stored in .rodata section) */
2137 void OPPROTO
op_f2xm1(void)
2142 void OPPROTO
op_fyl2x(void)
2147 void OPPROTO
op_fptan(void)
2152 void OPPROTO
op_fpatan(void)
2157 void OPPROTO
op_fxtract(void)
2162 void OPPROTO
op_fprem1(void)
2168 void OPPROTO
op_fprem(void)
2173 void OPPROTO
op_fyl2xp1(void)
2178 void OPPROTO
op_fsqrt(void)
2183 void OPPROTO
op_fsincos(void)
2188 void OPPROTO
op_frndint(void)
2193 void OPPROTO
op_fscale(void)
2198 void OPPROTO
op_fsin(void)
2203 void OPPROTO
op_fcos(void)
2208 void OPPROTO
op_fnstsw_A0(void)
2211 fpus
= (env
->fpus
& ~0x3800) | (env
->fpstt
& 0x7) << 11;
2215 void OPPROTO
op_fnstsw_EAX(void)
2218 fpus
= (env
->fpus
& ~0x3800) | (env
->fpstt
& 0x7) << 11;
2219 EAX
= (EAX
& ~0xffff) | fpus
;
2222 void OPPROTO
op_fnstcw_A0(void)
2227 void OPPROTO
op_fldcw_A0(void)
2230 env
->fpuc
= lduw(A0
);
2231 /* set rounding mode */
2232 switch(env
->fpuc
& RC_MASK
) {
2235 rnd_type
= FE_TONEAREST
;
2238 rnd_type
= FE_DOWNWARD
;
2241 rnd_type
= FE_UPWARD
;
2244 rnd_type
= FE_TOWARDZERO
;
2247 fesetround(rnd_type
);
2250 void OPPROTO
op_fclex(void)
2252 env
->fpus
&= 0x7f00;
2255 void OPPROTO
op_fwait(void)
2257 if (env
->fpus
& FPUS_SE
)
2258 fpu_raise_exception();
2262 void OPPROTO
op_fninit(void)
2277 void OPPROTO
op_fnstenv_A0(void)
2279 helper_fstenv(A0
, PARAM1
);
2282 void OPPROTO
op_fldenv_A0(void)
2284 helper_fldenv(A0
, PARAM1
);
2287 void OPPROTO
op_fnsave_A0(void)
2289 helper_fsave(A0
, PARAM1
);
2292 void OPPROTO
op_frstor_A0(void)
2294 helper_frstor(A0
, PARAM1
);
2297 /* threading support */
2298 void OPPROTO
op_lock(void)
2303 void OPPROTO
op_unlock(void)
2309 static inline void memcpy16(void *d
, void *s
)
2311 ((uint32_t *)d
)[0] = ((uint32_t *)s
)[0];
2312 ((uint32_t *)d
)[1] = ((uint32_t *)s
)[1];
2313 ((uint32_t *)d
)[2] = ((uint32_t *)s
)[2];
2314 ((uint32_t *)d
)[3] = ((uint32_t *)s
)[3];
2317 void OPPROTO
op_movo(void)
2319 /* XXX: badly generated code */
2321 d
= (XMMReg
*)((char *)env
+ PARAM1
);
2322 s
= (XMMReg
*)((char *)env
+ PARAM2
);
2326 void OPPROTO
op_fxsave_A0(void)
2328 helper_fxsave(A0
, PARAM1
);
2331 void OPPROTO
op_fxrstor_A0(void)
2333 helper_fxrstor(A0
, PARAM1
);