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JitIL code cleanup

This commit is contained in:
skidau 2012-05-01 20:26:05 +10:00
parent 13b66df125
commit 05040379e9
7 changed files with 35 additions and 46 deletions
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20
Source/Core/Core/Src/PowerPC/Jit64/Jit.cpp
View File

@ -336,12 +336,9 @@ void Jit64::WriteRfiExitDestInEAX()
MOV(32, M(&NPC), R(EAX));
Cleanup();
SUB(32, M(&CoreTiming::downcount), js.downcountAmount > 127 ? Imm32(js.downcountAmount) : Imm8(js.downcountAmount));
ABI_CallFunction(reinterpret_cast<void *>(&PowerPC::CheckExceptions));
MOV(32, R(EAX), M(&NPC));
MOV(32, M(&PC), R(EAX));
SUB(32, M(&CoreTiming::downcount), js.downcountAmount > 127 ? Imm32(js.downcountAmount) : Imm8(js.downcountAmount));
TEST(32, M((void*)PowerPC::GetStatePtr()), Imm32(0xFFFFFFFF));
J_CC(CC_Z, asm_routines.outerLoop, true);
@ -352,14 +349,11 @@ void Jit64::WriteRfiExitDestInEAX()
void Jit64::WriteExceptionExit()
{
Cleanup();
SUB(32, M(&CoreTiming::downcount), js.downcountAmount > 127 ? Imm32(js.downcountAmount) : Imm8(js.downcountAmount));
MOV(32, R(EAX), M(&PC));
MOV(32, M(&NPC), R(EAX));
ABI_CallFunction(reinterpret_cast<void *>(&PowerPC::CheckExceptions));
MOV(32, R(EAX), M(&NPC));
MOV(32, M(&PC), R(EAX));
SUB(32, M(&CoreTiming::downcount), js.downcountAmount > 127 ? Imm32(js.downcountAmount) : Imm8(js.downcountAmount));
TEST(32, M((void*)PowerPC::GetStatePtr()), Imm32(0xFFFFFFFF));
J_CC(CC_Z, asm_routines.outerLoop, true);
@ -370,13 +364,10 @@ void Jit64::WriteExceptionExit()
void Jit64::WriteExternalExceptionExit()
{
Cleanup();
SUB(32, M(&CoreTiming::downcount), js.downcountAmount > 127 ? Imm32(js.downcountAmount) : Imm8(js.downcountAmount));
MOV(32, R(EAX), M(&PC));
MOV(32, M(&NPC), R(EAX));
ABI_CallFunction(reinterpret_cast<void *>(&PowerPC::CheckExternalExceptions));
MOV(32, R(EAX), M(&NPC));
MOV(32, M(&PC), R(EAX));
SUB(32, M(&CoreTiming::downcount), js.downcountAmount > 127 ? Imm32(js.downcountAmount) : Imm8(js.downcountAmount));
TEST(32, M((void*)PowerPC::GetStatePtr()), Imm32(0xFFFFFFFF));
J_CC(CC_Z, asm_routines.outerLoop, true);
@ -600,9 +591,6 @@ const u8* Jit64::DoJit(u32 em_address, PPCAnalyst::CodeBuffer *code_buf, JitBloc
// If a FPU exception occurs, the exception handler will read
// from PC. Update PC with the latest value in case that happens.
MOV(32, M(&PC), Imm32(ops[i].address));
SUB(32, M(&CoreTiming::downcount), js.downcountAmount > 127 ? Imm32(js.downcountAmount) : Imm8(js.downcountAmount));
LOCK();
OR(32, M((void *)&PowerPC::ppcState.Exceptions), Imm32(EXCEPTION_FPU_UNAVAILABLE));
WriteExceptionExit();
@ -690,8 +678,6 @@ const u8* Jit64::DoJit(u32 em_address, PPCAnalyst::CodeBuffer *code_buf, JitBloc
// Address of instruction could not be translated
MOV(32, M(&NPC), Imm32(js.compilerPC));
SUB(32, M(&CoreTiming::downcount), js.downcountAmount > 127 ? Imm32(js.downcountAmount) : Imm8(js.downcountAmount));
LOCK();
OR(32, M((void *)&PowerPC::ppcState.Exceptions), Imm32(EXCEPTION_ISI));
// Remove the invalid instruction from the icache, forcing a recompile

4
Source/Core/Core/Src/PowerPC/Jit64IL/IR.cpp
View File

@ -1268,8 +1268,8 @@ static const unsigned alwaysUsedList[] = {
StoreGQR, StoreSRR, StoreCarry, StoreFPRF, Load8, Load16, Load32, Store8,
Store16, Store32, StoreSingle, StoreDouble, StorePaired, StoreFReg, FDCmpCR,
BlockStart, BlockEnd, IdleBranch, BranchCond, BranchUncond, ShortIdleLoop,
SystemCall, InterpreterBranch, RFIExit, FPExceptionCheckStart,
FPExceptionCheckEnd, ISIException, ExtExceptionCheck, BreakPointCheck,
SystemCall, InterpreterBranch, RFIExit, FPExceptionCheck,
DSIExceptionCheck, ISIException, ExtExceptionCheck, BreakPointCheck,
Int3, Tramp, Nop
};
static const unsigned extra8RegList[] = {

10
Source/Core/Core/Src/PowerPC/Jit64IL/IR.h
View File

@ -167,7 +167,7 @@ enum Opcode {
// used for exception checking, at least until someone
// has a better idea of integrating it
FPExceptionCheckStart, FPExceptionCheckEnd,
FPExceptionCheck, DSIExceptionCheck,
ISIException, ExtExceptionCheck, BreakPointCheck,
// "Opcode" representing a register too far away to
// reference directly; this is a size optimization
@ -402,11 +402,11 @@ public:
InstLoc EmitSystemCall(InstLoc pc) {
return FoldUOp(SystemCall, pc);
}
InstLoc EmitFPExceptionCheckStart(InstLoc pc) {
return EmitUOp(FPExceptionCheckStart, pc);
InstLoc EmitFPExceptionCheck(InstLoc pc) {
return EmitUOp(FPExceptionCheck, pc);
}
InstLoc EmitFPExceptionCheckEnd(InstLoc pc) {
return EmitUOp(FPExceptionCheckEnd, pc);
InstLoc EmitDSIExceptionCheck(InstLoc pc) {
return EmitUOp(DSIExceptionCheck, pc);
}
InstLoc EmitISIException(InstLoc dest) {
return EmitUOp(ISIException, dest);

12
Source/Core/Core/Src/PowerPC/Jit64IL/IR_X86.cpp
View File

@ -759,8 +759,8 @@ static void DoWriteCode(IRBuilder* ibuild, JitIL* Jit, bool UseProfile, bool Mak
case RFIExit:
case InterpreterBranch:
case ShortIdleLoop:
case FPExceptionCheckStart:
case FPExceptionCheckEnd:
case FPExceptionCheck:
case DSIExceptionCheck:
case ISIException:
case ExtExceptionCheck:
case BreakPointCheck:
@ -1869,7 +1869,7 @@ static void DoWriteCode(IRBuilder* ibuild, JitIL* Jit, bool UseProfile, bool Mak
Jit->WriteRfiExitDestInOpArg(R(EAX));
break;
}
case FPExceptionCheckStart: {
case FPExceptionCheck: {
unsigned InstLoc = ibuild->GetImmValue(getOp1(I));
//This instruction uses FPU - needs to add FP exception bailout
Jit->TEST(32, M(&PowerPC::ppcState.msr), Imm32(1 << 13)); // Test FP enabled bit
@ -1883,7 +1883,7 @@ static void DoWriteCode(IRBuilder* ibuild, JitIL* Jit, bool UseProfile, bool Mak
Jit->SetJumpTarget(b1);
break;
}
case FPExceptionCheckEnd: {
case DSIExceptionCheck: {
unsigned InstLoc = ibuild->GetImmValue(getOp1(I));
Jit->TEST(32, M((void *)&PowerPC::ppcState.Exceptions), Imm32(EXCEPTION_DSI));
FixupBranch noMemException = Jit->J_CC(CC_Z);
@ -1926,13 +1926,13 @@ static void DoWriteCode(IRBuilder* ibuild, JitIL* Jit, bool UseProfile, bool Mak
case ExtExceptionCheck: {
unsigned InstLoc = ibuild->GetImmValue(getOp1(I));
Jit->TEST(32, M((void *)&PowerPC::ppcState.Exceptions), Imm32(EXCEPTION_ISI | EXCEPTION_PROGRAM | EXCEPTION_SYSCALL | EXCEPTION_FPU_UNAVAILABLE | EXCEPTION_DSI | EXCEPTION_ALIGNMENT | EXCEPTION_DECREMENTER));
Jit->TEST(32, M((void *)&PowerPC::ppcState.Exceptions), Imm32(EXCEPTION_ISI | EXCEPTION_PROGRAM | EXCEPTION_SYSCALL | EXCEPTION_FPU_UNAVAILABLE | EXCEPTION_DSI | EXCEPTION_ALIGNMENT));
FixupBranch clearInt = Jit->J_CC(CC_NZ);
Jit->TEST(32, M((void *)&PowerPC::ppcState.Exceptions), Imm32(EXCEPTION_EXTERNAL_INT));
FixupBranch noExtException = Jit->J_CC(CC_Z);
Jit->TEST(32, M((void *)&PowerPC::ppcState.msr), Imm32(0x0008000));
FixupBranch noExtIntEnable = Jit->J_CC(CC_Z);
Jit->TEST(32, M((void *)&ProcessorInterface::m_InterruptCause), Imm32(ProcessorInterface::INT_CAUSE_CP || ProcessorInterface::INT_CAUSE_PE_TOKEN || ProcessorInterface::INT_CAUSE_PE_FINISH));
Jit->TEST(32, M((void *)&ProcessorInterface::m_InterruptCause), Imm32(ProcessorInterface::INT_CAUSE_CP | ProcessorInterface::INT_CAUSE_PE_TOKEN | ProcessorInterface::INT_CAUSE_PE_FINISH));
FixupBranch noCPInt = Jit->J_CC(CC_Z);
Jit->MOV(32, M(&PC), Imm32(InstLoc));

9
Source/Core/Core/Src/PowerPC/Jit64IL/JitIL.cpp
View File

@ -527,7 +527,10 @@ const u8* JitIL::DoJit(u32 em_address, PPCAnalyst::CodeBuffer *code_buf, JitBloc
}
if (em_address == 0)
PanicAlert("ERROR : Trying to compile at 0. LR=%08x", LR);
{
// Memory exception occurred during instruction fetch
memory_exception = true;
}
if (Core::g_CoreStartupParameter.bMMU && (em_address & JIT_ICACHE_VMEM_BIT))
{
@ -644,7 +647,7 @@ const u8* JitIL::DoJit(u32 em_address, PPCAnalyst::CodeBuffer *code_buf, JitBloc
{
if (js.memcheck && (opinfo->flags & FL_USE_FPU))
{
ibuild.EmitFPExceptionCheckStart(ibuild.EmitIntConst(ops[i].address));
ibuild.EmitFPExceptionCheck(ibuild.EmitIntConst(ops[i].address));
}
if (jit->js.fifoWriteAddresses.find(js.compilerPC) != jit->js.fifoWriteAddresses.end())
@ -661,7 +664,7 @@ const u8* JitIL::DoJit(u32 em_address, PPCAnalyst::CodeBuffer *code_buf, JitBloc
if (js.memcheck && (opinfo->flags & FL_LOADSTORE))
{
ibuild.EmitFPExceptionCheckEnd(ibuild.EmitIntConst(ops[i].address));
ibuild.EmitDSIExceptionCheck(ibuild.EmitIntConst(ops[i].address));
}
}
}

4
Source/Core/Core/Src/PowerPC/Jit64IL/JitILAsm.cpp
View File

@ -211,14 +211,14 @@ void JitILAsmRoutineManager::Generate()
doTiming = GetCodePtr();
ABI_CallFunction(reinterpret_cast<void *>(&CoreTiming::Advance));
testExceptions = GetCodePtr();
MOV(32, R(EAX), M(&PC));
MOV(32, M(&NPC), R(EAX));
ABI_CallFunction(reinterpret_cast<void *>(&PowerPC::CheckExceptions));
MOV(32, R(EAX), M(&NPC));
MOV(32, M(&PC), R(EAX));
TEST(32, M((void*)PowerPC::GetStatePtr()), Imm32(0xFFFFFFFF));
J_CC(CC_Z, outerLoop, true);
//Landing pad for drec space

22
Source/Core/Core/Src/PowerPC/PowerPC.cpp
View File

@ -308,7 +308,7 @@ void CheckExceptions()
// clear MSR as specified
//MSR &= ~0x04EF36; // 0x04FF36 also clears ME (only for machine check exception)
// set to exception type entry point
//NPC = 0x80000x00;
//NPC = 0x00000x00;
if (exceptions & EXCEPTION_ISI)
{
@ -317,7 +317,7 @@ void CheckExceptions()
SRR1 = (MSR & 0x87C0FFFF) | (1 << 30);
MSR |= (MSR >> 16) & 1;
MSR &= ~0x04EF36;
NPC = 0x00000400;
PC = NPC = 0x00000400;
INFO_LOG(POWERPC, "EXCEPTION_ISI");
Common::AtomicAnd(ppcState.Exceptions, ~EXCEPTION_ISI);
@ -329,7 +329,7 @@ void CheckExceptions()
SRR1 = (MSR & 0x87C0FFFF) | 0x20000;
MSR |= (MSR >> 16) & 1;
MSR &= ~0x04EF36;
NPC = 0x00000700;
PC = NPC = 0x00000700;
INFO_LOG(POWERPC, "EXCEPTION_PROGRAM");
Common::AtomicAnd(ppcState.Exceptions, ~EXCEPTION_PROGRAM);
@ -340,7 +340,7 @@ void CheckExceptions()
SRR1 = MSR & 0x87C0FFFF;
MSR |= (MSR >> 16) & 1;
MSR &= ~0x04EF36;
NPC = 0x00000C00;
PC = NPC = 0x00000C00;
INFO_LOG(POWERPC, "EXCEPTION_SYSCALL (PC=%08x)", PC);
Common::AtomicAnd(ppcState.Exceptions, ~EXCEPTION_SYSCALL);
@ -352,7 +352,7 @@ void CheckExceptions()
SRR1 = MSR & 0x87C0FFFF;
MSR |= (MSR >> 16) & 1;
MSR &= ~0x04EF36;
NPC = 0x00000800;
PC = NPC = 0x00000800;
INFO_LOG(POWERPC, "EXCEPTION_FPU_UNAVAILABLE");
Common::AtomicAnd(ppcState.Exceptions, ~EXCEPTION_FPU_UNAVAILABLE);
@ -363,7 +363,7 @@ void CheckExceptions()
SRR1 = MSR & 0x87C0FFFF;
MSR |= (MSR >> 16) & 1;
MSR &= ~0x04EF36;
NPC = 0x00000300;
PC = NPC = 0x00000300;
//DSISR and DAR regs are changed in GenerateDSIException()
INFO_LOG(POWERPC, "EXCEPTION_DSI");
@ -377,7 +377,7 @@ void CheckExceptions()
SRR1 = MSR & 0x87C0FFFF;
MSR |= (MSR >> 16) & 1;
MSR &= ~0x04EF36;
NPC = 0x00000600;
PC = NPC = 0x00000600;
//TODO crazy amount of DSISR options to check out
@ -395,7 +395,7 @@ void CheckExceptions()
SRR1 = MSR & 0x87C0FFFF;
MSR |= (MSR >> 16) & 1;
MSR &= ~0x04EF36;
NPC = 0x00000500;
PC = NPC = 0x00000500;
INFO_LOG(POWERPC, "EXCEPTION_EXTERNAL_INT");
Common::AtomicAnd(ppcState.Exceptions, ~EXCEPTION_EXTERNAL_INT);
@ -408,7 +408,7 @@ void CheckExceptions()
SRR1 = MSR & 0x87C0FFFF;
MSR |= (MSR >> 16) & 1;
MSR &= ~0x04EF36;
NPC = 0x00000900;
PC = NPC = 0x00000900;
INFO_LOG(POWERPC, "EXCEPTION_DECREMENTER");
Common::AtomicAnd(ppcState.Exceptions, ~EXCEPTION_DECREMENTER);
@ -446,7 +446,7 @@ void CheckExternalExceptions()
SRR1 = MSR & 0x87C0FFFF;
MSR |= (MSR >> 16) & 1;
MSR &= ~0x04EF36;
NPC = 0x00000500;
PC = NPC = 0x00000500;
INFO_LOG(POWERPC, "EXCEPTION_EXTERNAL_INT");
Common::AtomicAnd(ppcState.Exceptions, ~EXCEPTION_EXTERNAL_INT);
@ -459,7 +459,7 @@ void CheckExternalExceptions()
SRR1 = MSR & 0x87C0FFFF;
MSR |= (MSR >> 16) & 1;
MSR &= ~0x04EF36;
NPC = 0x00000900;
PC = NPC = 0x00000900;
INFO_LOG(POWERPC, "EXCEPTION_DECREMENTER");
Common::AtomicAnd(ppcState.Exceptions, ~EXCEPTION_DECREMENTER);