diff options
Diffstat (limited to 'tcg/i386/tcg-target.c')
| -rw-r--r-- | tcg/i386/tcg-target.c | 51 |
1 files changed, 24 insertions, 27 deletions
diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c index 8987f32..4b88138 100644 --- a/tcg/i386/tcg-target.c +++ b/tcg/i386/tcg-target.c @@ -159,6 +159,9 @@ static inline int tcg_target_const_match(tcg_target_long val, #define P_EXT 0x100 /* 0x0f opcode prefix */ #define OPC_BSWAP (0xc8 | P_EXT) +#define OPC_MOVB_EvGv (0x88) /* stores, more or less */ +#define OPC_MOVL_EvGv (0x89) /* stores, more or less */ +#define OPC_MOVL_GvEv (0x8b) /* loads, more or less */ #define OPC_SHIFT_1 (0xd1) #define OPC_SHIFT_Ib (0xc1) #define OPC_SHIFT_cl (0xd3) @@ -260,8 +263,9 @@ static inline void tcg_out_modrm_offset(TCGContext *s, int opc, int r, int rm, static inline void tcg_out_mov(TCGContext *s, int ret, int arg) { - if (arg != ret) - tcg_out_modrm(s, 0x8b, ret, arg); + if (arg != ret) { + tcg_out_modrm(s, OPC_MOVL_GvEv, ret, arg); + } } static inline void tcg_out_movi(TCGContext *s, TCGType type, @@ -279,15 +283,13 @@ static inline void tcg_out_movi(TCGContext *s, TCGType type, static inline void tcg_out_ld(TCGContext *s, TCGType type, int ret, int arg1, tcg_target_long arg2) { - /* movl */ - tcg_out_modrm_offset(s, 0x8b, ret, arg1, arg2); + tcg_out_modrm_offset(s, OPC_MOVL_GvEv, ret, arg1, arg2); } static inline void tcg_out_st(TCGContext *s, TCGType type, int arg, int arg1, tcg_target_long arg2) { - /* movl */ - tcg_out_modrm_offset(s, 0x89, arg, arg1, arg2); + tcg_out_modrm_offset(s, OPC_MOVL_EvGv, arg, arg1, arg2); } static void tcg_out_shifti(TCGContext *s, int subopc, int reg, int count) @@ -736,8 +738,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, } break; case 2: - /* movl (r0), data_reg */ - tcg_out_modrm_offset(s, 0x8b, data_reg, r0, GUEST_BASE); + tcg_out_ld(s, TCG_TYPE_I32, data_reg, r0, GUEST_BASE); if (bswap) { tcg_out_bswap32(s, data_reg); } @@ -752,13 +753,13 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, r0 = r1; } if (!bswap) { - tcg_out_modrm_offset(s, 0x8b, data_reg, r0, GUEST_BASE); - tcg_out_modrm_offset(s, 0x8b, data_reg2, r0, GUEST_BASE + 4); + tcg_out_ld(s, TCG_TYPE_I32, data_reg, r0, GUEST_BASE); + tcg_out_ld(s, TCG_TYPE_I32, data_reg2, r0, GUEST_BASE + 4); } else { - tcg_out_modrm_offset(s, 0x8b, data_reg, r0, GUEST_BASE + 4); + tcg_out_ld(s, TCG_TYPE_I32, data_reg, r0, GUEST_BASE + 4); tcg_out_bswap32(s, data_reg); - tcg_out_modrm_offset(s, 0x8b, data_reg2, r0, GUEST_BASE); + tcg_out_ld(s, TCG_TYPE_I32, data_reg2, r0, GUEST_BASE); tcg_out_bswap32(s, data_reg2); } break; @@ -936,8 +937,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, #endif switch(opc) { case 0: - /* movb */ - tcg_out_modrm_offset(s, 0x88, data_reg, r0, GUEST_BASE); + tcg_out_modrm_offset(s, OPC_MOVB_EvGv, data_reg, r0, GUEST_BASE); break; case 1: if (bswap) { @@ -947,7 +947,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, } /* movw */ tcg_out8(s, 0x66); - tcg_out_modrm_offset(s, 0x89, data_reg, r0, GUEST_BASE); + tcg_out_modrm_offset(s, OPC_MOVL_EvGv, data_reg, r0, GUEST_BASE); break; case 2: if (bswap) { @@ -955,20 +955,19 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, tcg_out_bswap32(s, r1); data_reg = r1; } - /* movl */ - tcg_out_modrm_offset(s, 0x89, data_reg, r0, GUEST_BASE); + tcg_out_st(s, TCG_TYPE_I32, data_reg, r0, GUEST_BASE); break; case 3: if (bswap) { tcg_out_mov(s, r1, data_reg2); tcg_out_bswap32(s, r1); - tcg_out_modrm_offset(s, 0x89, r1, r0, GUEST_BASE); + tcg_out_st(s, TCG_TYPE_I32, r1, r0, GUEST_BASE); tcg_out_mov(s, r1, data_reg); tcg_out_bswap32(s, r1); - tcg_out_modrm_offset(s, 0x89, r1, r0, GUEST_BASE + 4); + tcg_out_st(s, TCG_TYPE_I32, r1, r0, GUEST_BASE + 4); } else { - tcg_out_modrm_offset(s, 0x89, data_reg, r0, GUEST_BASE); - tcg_out_modrm_offset(s, 0x89, data_reg2, r0, GUEST_BASE + 4); + tcg_out_st(s, TCG_TYPE_I32, data_reg, r0, GUEST_BASE); + tcg_out_st(s, TCG_TYPE_I32, data_reg2, r0, GUEST_BASE + 4); } break; default: @@ -1045,21 +1044,19 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, tcg_out_modrm_offset(s, 0xbf | P_EXT, args[0], args[1], args[2]); break; case INDEX_op_ld_i32: - /* movl */ - tcg_out_modrm_offset(s, 0x8b, args[0], args[1], args[2]); + tcg_out_ld(s, TCG_TYPE_I32, args[0], args[1], args[2]); break; case INDEX_op_st8_i32: /* movb */ - tcg_out_modrm_offset(s, 0x88, args[0], args[1], args[2]); + tcg_out_modrm_offset(s, OPC_MOVB_EvGv, args[0], args[1], args[2]); break; case INDEX_op_st16_i32: /* movw */ tcg_out8(s, 0x66); - tcg_out_modrm_offset(s, 0x89, args[0], args[1], args[2]); + tcg_out_modrm_offset(s, OPC_MOVL_EvGv, args[0], args[1], args[2]); break; case INDEX_op_st_i32: - /* movl */ - tcg_out_modrm_offset(s, 0x89, args[0], args[1], args[2]); + tcg_out_st(s, TCG_TYPE_I32, args[0], args[1], args[2]); break; case INDEX_op_sub_i32: c = ARITH_SUB; |