Revision 6817c355 tcg/i386/tcg-target.c
| b/tcg/i386/tcg-target.c | ||
|---|---|---|
| 166 | 166 |
#define OPC_MOVB_EvGv (0x88) /* stores, more or less */ |
| 167 | 167 |
#define OPC_MOVL_EvGv (0x89) /* stores, more or less */ |
| 168 | 168 |
#define OPC_MOVL_GvEv (0x8b) /* loads, more or less */ |
| 169 |
#define OPC_MOVSBL (0xbe | P_EXT) |
|
| 170 |
#define OPC_MOVSWL (0xbf | P_EXT) |
|
| 169 | 171 |
#define OPC_MOVZBL (0xb6 | P_EXT) |
| 170 | 172 |
#define OPC_MOVZWL (0xb7 | P_EXT) |
| 171 | 173 |
#define OPC_SHIFT_1 (0xd1) |
| ... | ... | |
| 330 | 332 |
tcg_out_modrm(s, OPC_MOVZBL, dest, src); |
| 331 | 333 |
} |
| 332 | 334 |
|
| 335 |
static void tcg_out_ext8s(TCGContext *s, int dest, int src) |
|
| 336 |
{
|
|
| 337 |
/* movsbl */ |
|
| 338 |
assert(src < 4); |
|
| 339 |
tcg_out_modrm(s, OPC_MOVSBL, dest, src); |
|
| 340 |
} |
|
| 341 |
|
|
| 333 | 342 |
static inline void tcg_out_ext16u(TCGContext *s, int dest, int src) |
| 334 | 343 |
{
|
| 335 | 344 |
/* movzwl */ |
| 336 | 345 |
tcg_out_modrm(s, OPC_MOVZWL, dest, src); |
| 337 | 346 |
} |
| 338 | 347 |
|
| 348 |
static inline void tcg_out_ext16s(TCGContext *s, int dest, int src) |
|
| 349 |
{
|
|
| 350 |
/* movswl */ |
|
| 351 |
tcg_out_modrm(s, OPC_MOVSWL, dest, src); |
|
| 352 |
} |
|
| 353 |
|
|
| 339 | 354 |
static inline void tgen_arithi(TCGContext *s, int c, int r0, int32_t val, int cf) |
| 340 | 355 |
{
|
| 341 | 356 |
if (!cf && ((c == ARITH_ADD && val == 1) || (c == ARITH_SUB && val == -1))) {
|
| ... | ... | |
| 680 | 695 |
|
| 681 | 696 |
switch(opc) {
|
| 682 | 697 |
case 0 | 4: |
| 683 |
/* movsbl */ |
|
| 684 |
tcg_out_modrm(s, 0xbe | P_EXT, data_reg, TCG_REG_EAX); |
|
| 698 |
tcg_out_ext8s(s, data_reg, TCG_REG_EAX); |
|
| 685 | 699 |
break; |
| 686 | 700 |
case 1 | 4: |
| 687 |
/* movswl */ |
|
| 688 |
tcg_out_modrm(s, 0xbf | P_EXT, data_reg, TCG_REG_EAX); |
|
| 701 |
tcg_out_ext16s(s, data_reg, TCG_REG_EAX); |
|
| 689 | 702 |
break; |
| 690 | 703 |
case 0: |
| 691 | 704 |
tcg_out_ext8u(s, data_reg, TCG_REG_EAX); |
| ... | ... | |
| 735 | 748 |
break; |
| 736 | 749 |
case 0 | 4: |
| 737 | 750 |
/* movsbl */ |
| 738 |
tcg_out_modrm_offset(s, 0xbe | P_EXT, data_reg, r0, GUEST_BASE);
|
|
| 751 |
tcg_out_modrm_offset(s, OPC_MOVSBL, data_reg, r0, GUEST_BASE);
|
|
| 739 | 752 |
break; |
| 740 | 753 |
case 1: |
| 741 | 754 |
/* movzwl */ |
| ... | ... | |
| 746 | 759 |
break; |
| 747 | 760 |
case 1 | 4: |
| 748 | 761 |
/* movswl */ |
| 749 |
tcg_out_modrm_offset(s, 0xbf | P_EXT, data_reg, r0, GUEST_BASE);
|
|
| 762 |
tcg_out_modrm_offset(s, OPC_MOVSWL, data_reg, r0, GUEST_BASE);
|
|
| 750 | 763 |
if (bswap) {
|
| 751 | 764 |
tcg_out_rolw_8(s, data_reg); |
| 752 | 765 |
|
| 753 | 766 |
/* movswl data_reg, data_reg */ |
| 754 |
tcg_out_modrm(s, 0xbf | P_EXT, data_reg, data_reg);
|
|
| 767 |
tcg_out_modrm(s, OPC_MOVSWL, data_reg, data_reg);
|
|
| 755 | 768 |
} |
| 756 | 769 |
break; |
| 757 | 770 |
case 2: |
| ... | ... | |
| 1044 | 1057 |
break; |
| 1045 | 1058 |
case INDEX_op_ld8s_i32: |
| 1046 | 1059 |
/* movsbl */ |
| 1047 |
tcg_out_modrm_offset(s, 0xbe | P_EXT, args[0], args[1], args[2]);
|
|
| 1060 |
tcg_out_modrm_offset(s, OPC_MOVSBL, args[0], args[1], args[2]);
|
|
| 1048 | 1061 |
break; |
| 1049 | 1062 |
case INDEX_op_ld16u_i32: |
| 1050 | 1063 |
/* movzwl */ |
| ... | ... | |
| 1052 | 1065 |
break; |
| 1053 | 1066 |
case INDEX_op_ld16s_i32: |
| 1054 | 1067 |
/* movswl */ |
| 1055 |
tcg_out_modrm_offset(s, 0xbf | P_EXT, args[0], args[1], args[2]);
|
|
| 1068 |
tcg_out_modrm_offset(s, OPC_MOVSWL, args[0], args[1], args[2]);
|
|
| 1056 | 1069 |
break; |
| 1057 | 1070 |
case INDEX_op_ld_i32: |
| 1058 | 1071 |
tcg_out_ld(s, TCG_TYPE_I32, args[0], args[1], args[2]); |
| ... | ... | |
| 1180 | 1193 |
break; |
| 1181 | 1194 |
|
| 1182 | 1195 |
case INDEX_op_ext8s_i32: |
| 1183 |
tcg_out_modrm(s, 0xbe | P_EXT, args[0], args[1]);
|
|
| 1196 |
tcg_out_ext8s(s, args[0], args[1]);
|
|
| 1184 | 1197 |
break; |
| 1185 | 1198 |
case INDEX_op_ext16s_i32: |
| 1186 |
tcg_out_modrm(s, 0xbf | P_EXT, args[0], args[1]);
|
|
| 1199 |
tcg_out_ext16s(s, args[0], args[1]);
|
|
| 1187 | 1200 |
break; |
| 1188 | 1201 |
case INDEX_op_ext8u_i32: |
| 1189 | 1202 |
tcg_out_ext8u(s, args[0], args[1]); |
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