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JitIL: Omitted some extra MOVs when a next program counter is in a register. 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6116 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
nodchip 2010-08-22 08:27:43 +00:00
parent 10a14d17d3
commit 43dc70eace
3 changed files with 11 additions and 13 deletions
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8
Source/Core/Core/Src/PowerPC/Jit64IL/IR_X86.cpp
View File

@ -653,9 +653,7 @@ static void regWriteExit(RegInfo& RI, InstLoc dest) {
if (isImm(*dest)) {
RI.Jit->WriteExit(RI.Build->GetImmValue(dest), RI.exitNumber++);
} else {
if (!regLocForInst(RI, dest).IsSimpleReg(EAX))
RI.Jit->MOV(32, R(EAX), regLocForInst(RI, dest));
RI.Jit->WriteExitDestInEAX(RI.exitNumber++);
RI.Jit->WriteExitDestInOpArg(regLocForInst(RI, dest), RI.exitNumber++);
}
}
@ -1608,7 +1606,7 @@ static void DoWriteCode(IRBuilder* ibuild, JitIL* Jit, bool UseProfile, bool Mak
}
case InterpreterBranch: {
Jit->MOV(32, R(EAX), M(&NPC));
Jit->WriteExitDestInEAX(0);
Jit->WriteExitDestInOpArg(R(EAX), 0);
break;
}
case RFIExit: {
@ -1625,7 +1623,7 @@ static void DoWriteCode(IRBuilder* ibuild, JitIL* Jit, bool UseProfile, bool Mak
Jit->MOV(32, M(&MSR), R(EAX));
// NPC = SRR0;
Jit->MOV(32, R(EAX), M(&SRR0));
Jit->WriteRfiExitDestInEAX();
Jit->WriteRfiExitDestInOpArg(R(EAX));
break;
}
case FPExceptionCheckStart: {

12
Source/Core/Core/Src/PowerPC/Jit64IL/JitIL.cpp
View File

@ -227,7 +227,7 @@ void JitIL::WriteCallInterpreter(UGeckoInstruction inst)
if (js.isLastInstruction)
{
MOV(32, R(EAX), M(&NPC));
WriteRfiExitDestInEAX();
WriteRfiExitDestInOpArg(R(EAX));
}
}
@ -248,7 +248,7 @@ void JitIL::HLEFunction(UGeckoInstruction _inst)
{
ABI_CallFunctionCC((void*)&HLE::Execute, js.compilerPC, _inst.hex);
MOV(32, R(EAX), M(&NPC));
WriteExitDestInEAX(0);
WriteExitDestInOpArg(R(EAX), 0);
}
void JitIL::DoNothing(UGeckoInstruction _inst)
@ -316,17 +316,17 @@ void JitIL::WriteExit(u32 destination, int exit_num)
}
}
void JitIL::WriteExitDestInEAX(int exit_num)
void JitIL::WriteExitDestInOpArg(const Gen::OpArg& arg, int exit_num)
{
MOV(32, M(&PC), R(EAX));
MOV(32, M(&PC), arg);
Cleanup();
SUB(32, M(&CoreTiming::downcount), js.downcountAmount > 127 ? Imm32(js.downcountAmount) : Imm8(js.downcountAmount));
JMP(asm_routines.dispatcher, true);
}
void JitIL::WriteRfiExitDestInEAX()
void JitIL::WriteRfiExitDestInOpArg(const Gen::OpArg& arg)
{
MOV(32, M(&PC), R(EAX));
MOV(32, M(&PC), arg);
Cleanup();
SUB(32, M(&CoreTiming::downcount), js.downcountAmount > 127 ? Imm32(js.downcountAmount) : Imm8(js.downcountAmount));
JMP(asm_routines.testExceptions, true);

4
Source/Core/Core/Src/PowerPC/Jit64IL/JitIL.h
View File

@ -110,9 +110,9 @@ public:
// Utilities for use by opcodes
void WriteExit(u32 destination, int exit_num);
void WriteExitDestInEAX(int exit_num);
void WriteExitDestInOpArg(const Gen::OpArg& arg, int exit_num);
void WriteExceptionExit();
void WriteRfiExitDestInEAX();
void WriteRfiExitDestInOpArg(const Gen::OpArg& arg);
void WriteCallInterpreter(UGeckoInstruction _inst);
void Cleanup();