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Optimized reset stack pointer when stack pointer was already mapped

This commit is contained in:
zilmar 2012-09-28 08:54:38 +10:00
parent 07286c302a
commit 77d68a5aad
1 changed files with 13 additions and 2 deletions
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15
Source/Project64/N64 System/Mips/Memory Virtual Mem.cpp
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@ -1266,11 +1266,22 @@ void CMipsMemoryVM::ResetMemoryStack ( void)
{ {
x86Reg Reg, TempReg; x86Reg Reg, TempReg;
int MipsReg = 29;
CPU_Message(" ResetMemoryStack"); CPU_Message(" ResetMemoryStack");
Reg = Get_MemoryStack(); Reg = Get_MemoryStack();
if (Reg != x86_Unknown) { UnMap_X86reg(Reg); } if (Reg == x86_Unknown)
{
Reg = Map_TempReg(x86_Any, MipsReg, FALSE);
} else {
if (IsUnknown(MipsReg)) {
MoveVariableToX86reg(&_GPR[MipsReg].UW[0],CRegName::GPR_Lo[MipsReg],Reg);
} else if (IsMapped(MipsReg)) {
MoveX86RegToX86Reg(MipsRegMapLo(MipsReg),Reg);
} else {
MoveConstToX86reg(MipsRegLo(MipsReg),Reg);
}
}
Reg = Map_TempReg(x86_Any, 29, FALSE);
if (bUseTlb()) if (bUseTlb())
{ {
TempReg = Map_TempReg(x86_Any,-1,FALSE); TempReg = Map_TempReg(x86_Any,-1,FALSE);