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x86emit: fix REX order with all SSE prefixes (nw)

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This commit is contained in:
Ville Linde 2016-04-02 21:10:29 +03:00
parent b2578a2283
commit 3af8030bb6
1 changed files with 10 additions and 5 deletions
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15
src/devices/cpu/x86emit.h
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@ -1273,6 +1273,11 @@ inline void emit_op(x86code *&emitptr, UINT32 op, UINT8 opsize, UINT8 reg, UINT8
if (opsize == OP_16BIT)
emit_byte(emitptr, PREFIX_OPSIZE);
bool has_prefix = (op & 0xff0000) == 0x660000 || (op & 0xff0000) == 0xf20000 || (op & 0xff0000) == 0xf30000;
if (has_prefix)
emit_byte(emitptr, op >> 16);
#if (X86EMIT_SIZE == 64)
{
UINT8 rex;
@ -1287,7 +1292,7 @@ inline void emit_op(x86code *&emitptr, UINT32 op, UINT8 opsize, UINT8 reg, UINT8
assert(opsize != OP_64BIT);
#endif
if ((op & 0xff0000) != 0)
if ((op & 0xff0000) != 0 && !has_prefix)
emit_byte(emitptr, op >> 16);
if ((op & 0xff00) != 0)
emit_byte(emitptr, op >> 8);
@ -2936,10 +2941,10 @@ inline void emit_movd_m32_r128(x86code *&emitptr, x86_memref memref, UINT8 sreg)
#if (X86EMIT_SIZE == 64)
inline void emit_movq_r128_r64(x86code *&emitptr, UINT8 dreg, UINT8 sreg) { emit_byte(emitptr, 0x66); emit_op_modrm_reg(emitptr, OP_MOVD_Pd_Ed, OP_64BIT, dreg, sreg); }
inline void emit_movq_r128_m64(x86code *&emitptr, UINT8 dreg, x86_memref memref) { emit_byte(emitptr, 0x66); emit_op_modrm_mem(emitptr, OP_MOVD_Pd_Ed, OP_64BIT, dreg, memref); }
inline void emit_movq_r64_r128(x86code *&emitptr, UINT8 dreg, UINT8 sreg) { emit_byte(emitptr, 0x66); emit_op_modrm_reg(emitptr, OP_MOVD_Ed_Pd, OP_64BIT, sreg, dreg); }
inline void emit_movq_m64_r128(x86code *&emitptr, x86_memref memref, UINT8 sreg) { emit_byte(emitptr, 0x66); emit_op_modrm_mem(emitptr, OP_MOVD_Ed_Pd, OP_64BIT, sreg, memref); }
inline void emit_movq_r128_r64(x86code *&emitptr, UINT8 dreg, UINT8 sreg) { emit_op_modrm_reg(emitptr, OP_MOVD_Vd_Ed, OP_64BIT, dreg, sreg); }
inline void emit_movq_r128_m64(x86code *&emitptr, UINT8 dreg, x86_memref memref) { emit_op_modrm_mem(emitptr, OP_MOVD_Vd_Ed, OP_64BIT, dreg, memref); }
inline void emit_movq_r64_r128(x86code *&emitptr, UINT8 dreg, UINT8 sreg) { emit_op_modrm_reg(emitptr, OP_MOVD_Ed_Vd, OP_64BIT, sreg, dreg); }
inline void emit_movq_m64_r128(x86code *&emitptr, x86_memref memref, UINT8 sreg) { emit_op_modrm_mem(emitptr, OP_MOVD_Ed_Vd, OP_64BIT, sreg, memref); }
#endif