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Refactor fastmem/trampoline code.

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Simplication to avoid reading back the generated instructions, allowing
us to handle all possible cases.
This commit is contained in:
Matt Mastracci 2016-02-28 14:33:53 -07:00
commit b1296a7825
20 changed files with 385 additions and 894 deletions
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24
Source/Core/Common/x64Emitter.cpp
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@ -1046,8 +1046,14 @@ void XEmitter::MOVBE(int bits, const OpArg& dest, X64Reg src)
WriteMOVBE(bits, 0xF1, src, dest);
}
void XEmitter::LoadAndSwap(int size, X64Reg dst, const OpArg& src, bool sign_extend)
void XEmitter::LoadAndSwap(int size, X64Reg dst, const OpArg& src, bool sign_extend, MovInfo* info)
{
if (info)
{
info->address = GetWritableCodePtr();
info->nonAtomicSwapStore = false;
}
switch (size)
{
case 8:
@ -1083,20 +1089,28 @@ void XEmitter::LoadAndSwap(int size, X64Reg dst, const OpArg& src, bool sign_ext
}
}
u8* XEmitter::SwapAndStore(int size, const OpArg& dst, X64Reg src)
void XEmitter::SwapAndStore(int size, const OpArg& dst, X64Reg src, MovInfo* info)
{
u8* mov_location = GetWritableCodePtr();
if (cpu_info.bMOVBE)
{
if (info)
{
info->address = GetWritableCodePtr();
info->nonAtomicSwapStore = false;
}
MOVBE(size, dst, src);
}
else
{
BSWAP(size, src);
mov_location = GetWritableCodePtr();
if (info)
{
info->address = GetWritableCodePtr();
info->nonAtomicSwapStore = true;
info->nonAtomicSwapStoreSrc = src;
}
MOV(size, dst, R(src));
}
return mov_location;
}
void XEmitter::LEA(int bits, X64Reg dest, OpArg src)