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Fix Fastmem on CPUs without MOVBE

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The problem was that when BSWAP was used, UnsafeWriteRegToReg() returned
the address of that instead of the MOV.
This commit is contained in:
Tillmann Karras 2014-04-25 01:11:52 +02:00
parent 47373af9d9
commit 886c887e80
2 changed files with 13 additions and 2 deletions
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1
Source/Core/Common/x64Analyzer.cpp
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@ -154,6 +154,7 @@ bool DisassembleMov(const unsigned char *codePtr, InstructionInfo *info)
info->immediate = *(u32*)codePtr; info->immediate = *(u32*)codePtr;
codePtr += 4; codePtr += 4;
break; break;
case 8: case 8:
info->zeroExtend = true; info->zeroExtend = true;
info->immediate = *(u32*)codePtr; info->immediate = *(u32*)codePtr;

14
Source/Core/Core/PowerPC/JitCommon/Jit_Util.cpp
View File

@ -428,13 +428,23 @@ u8 *EmuCodeBlock::UnsafeWriteRegToReg(X64Reg reg_value, X64Reg reg_addr, int acc
} }
#if _M_X86_64 #if _M_X86_64
result = GetWritableCodePtr(); result = GetWritableCodePtr();
OpArg dest = MComplex(RBX, reg_addr, SCALE_1, offset);
if (swap) if (swap)
{ {
SwapAndStore(accessSize, MComplex(RBX, reg_addr, SCALE_1, offset), reg_value); if (cpu_info.bMOVBE)
{
MOVBE(accessSize, dest, R(reg_value));
}
else
{
BSWAP(accessSize, reg_value);
result = GetWritableCodePtr();
MOV(accessSize, dest, R(reg_value));
}
} }
else else
{ {
MOV(accessSize, MComplex(RBX, reg_addr, SCALE_1, offset), R(reg_value)); MOV(accessSize, dest, R(reg_value));
} }
#else #else
if (swap) if (swap)