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Optimize write to a single x64 op too.

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This commit is contained in:
Unknown W. Brackets 2013-01-20 13:06:19 -08:00
parent e8dc99328a
commit f5963df0dc
1 changed files with 66 additions and 47 deletions
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113
Core/MIPS/x86/CompLoadStore.cpp
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@ -71,6 +71,7 @@ namespace MIPSComp
X64Reg addr;
if (gpr.R(rs).IsSimpleReg())
{
// TODO: Maybe just add a check if it's away, don't mind copying to EAX instead...
if (rs != rt)
gpr.BindToRegister(rs, true, false);
addr = gpr.RX(rs);
@ -165,60 +166,78 @@ namespace MIPSComp
#endif
}
}
else if (!g_Config.bFastMemory)
{
MOV(32, R(EAX), gpr.R(rs));
// Is it in physical ram?
CMP(32, R(EAX), Imm32(0x08000000));
FixupBranch tooLow = J_CC(CC_L);
CMP(32, R(EAX), Imm32(0x0A000000));
FixupBranch tooHigh = J_CC(CC_GE);
const u8* safe = GetCodePtr();
#ifdef _M_IX86
if (needSwap)
{
MOV(32, R(EDX), gpr.R(rt));
MOV(bits, MDisp(EAX, (u32)Memory::base + offset), R(EDX));
}
else
MOV(bits, MDisp(EAX, (u32)Memory::base + offset), gpr.R(rt));
#else
MOV(bits, MComplex(RBX, EAX, SCALE_1, offset), gpr.R(rt));
#endif
FixupBranch skip = J();
SetJumpTarget(tooLow);
SetJumpTarget(tooHigh);
// Might also be the scratchpad.
CMP(32, R(EAX), Imm32(0x00010000));
FixupBranch tooLow2 = J_CC(CC_L);
CMP(32, R(EAX), Imm32(0x00014000));
J_CC(CC_L, safe);
SetJumpTarget(tooLow2);
ADD(32, R(EAX), Imm32(offset));
ABI_CallFunctionAA(thunks.ProtectFunction(safeFunc, 2), gpr.R(rt), R(EAX));
SetJumpTarget(skip);
}
else
{
MOV(32, R(EAX), gpr.R(rs));
#ifdef _M_IX86
AND(32, R(EAX), Imm32(Memory::MEMVIEW32_MASK));
if (needSwap)
// We may not even need to move into EAX as a temporary.
X64Reg addr;
if (gpr.R(rs).IsSimpleReg())
{
MOV(32, R(EDX), gpr.R(rt));
MOV(bits, MDisp(EAX, (u32)Memory::base + offset), R(EDX));
// TODO: Maybe just add a check if it's away, don't mind copying to EAX instead...
if (rs != rt)
gpr.BindToRegister(rs, true, false);
addr = gpr.RX(rs);
}
else
MOV(bits, MDisp(EAX, (u32)Memory::base + offset), gpr.R(rt));
{
MOV(32, R(EAX), gpr.R(rs));
addr = EAX;
}
if (!g_Config.bFastMemory)
{
// Is it in physical ram?
CMP(32, R(addr), Imm32(0x08000000));
FixupBranch tooLow = J_CC(CC_L);
CMP(32, R(addr), Imm32(0x0A000000));
FixupBranch tooHigh = J_CC(CC_GE);
const u8* safe = GetCodePtr();
#ifdef _M_IX86
if (needSwap)
{
MOV(32, R(EDX), gpr.R(rt));
MOV(bits, MDisp(addr, (u32)Memory::base + offset), R(EDX));
}
else
MOV(bits, MDisp(addr, (u32)Memory::base + offset), gpr.R(rt));
#else
MOV(bits, MComplex(RBX, EAX, SCALE_1, offset), gpr.R(rt));
MOV(bits, MComplex(RBX, addr, SCALE_1, offset), gpr.R(rt));
#endif
FixupBranch skip = J();
SetJumpTarget(tooLow);
SetJumpTarget(tooHigh);
// Might also be the scratchpad.
CMP(32, R(addr), Imm32(0x00010000));
FixupBranch tooLow2 = J_CC(CC_L);
CMP(32, R(addr), Imm32(0x00014000));
J_CC(CC_L, safe);
SetJumpTarget(tooLow2);
LEA(32, EAX, MDisp(addr, offset));
ABI_CallFunctionAA(thunks.ProtectFunction(safeFunc, 2), gpr.R(rt), R(EAX));
SetJumpTarget(skip);
}
else
{
#ifdef _M_IX86
// Need to modify it, too bad.
if (addr != EAX)
MOV(32, R(EAX), gpr.R(rs));
AND(32, R(EAX), Imm32(Memory::MEMVIEW32_MASK));
if (needSwap)
{
MOV(32, R(EDX), gpr.R(rt));
MOV(bits, MDisp(EAX, (u32)Memory::base + offset), R(EDX));
}
else
MOV(bits, MDisp(EAX, (u32)Memory::base + offset), gpr.R(rt));
#else
MOV(bits, MComplex(RBX, addr, SCALE_1, offset), gpr.R(rt));
#endif
}
}
#ifdef _M_IX86