archive/Cemu
1
0
Fork 0
mirror of https://github.com/cemu-project/Cemu.git synced 2025-07-07 07:21:18 +12:00
Code Issues Projects Releases Packages Wiki Activity Actions

PPCRec: Implement MFCR and MTCRF

Browse source
This commit is contained in:
Exzap 2023-03-13 05:10:34 +01:00
parent 9dd4f9b9a3
commit 1cc458c543
12 changed files with 60 additions and 921 deletions
Download patch file Download diff file Expand all files Collapse all files

73
src/Cafe/HW/Espresso/Recompiler/PPCRecompiler.cpp
View file

@ -245,63 +245,13 @@ PPCRecFunction_t* PPCRecompiler_recompileFunction(PPCFunctionBoundaryTracker::PP
return ppcRecFunc;
}
bool PPCRecompiler_ApplyIMLPasses(ppcImlGenContext_t& ppcImlGenContext)
void PPCRecompiler_NativeRegisterAllocatorPass(ppcImlGenContext_t& ppcImlGenContext)
{
// isolate entry points from function flow (enterable segments must not be the target of any other segment)
// this simplifies logic during register allocation
PPCRecompilerIML_isolateEnterableSegments(&ppcImlGenContext);
// if GQRs can be predicted, optimize PSQ load/stores
PPCRecompiler_optimizePSQLoadAndStore(&ppcImlGenContext);
// insert name store instructions at the end of each segment but before branch instructions
//for (IMLSegment* segIt : ppcImlGenContext.segmentList2)
//{
// if (segIt->imlList.size() == 0)
// continue; // ignore empty segments
// // analyze segment for register usage
// IMLUsedRegisters registersUsed;
// for (sint32 i = 0; i < segIt->imlList.size(); i++)
// {
// segIt->imlList[i].CheckRegisterUsage(&registersUsed);
// IMLReg accessedTempReg[5];
// // intermediate FPRs
// accessedTempReg[0] = registersUsed.readFPR1;
// accessedTempReg[1] = registersUsed.readFPR2;
// accessedTempReg[2] = registersUsed.readFPR3;
// accessedTempReg[3] = registersUsed.readFPR4;
// accessedTempReg[4] = registersUsed.writtenFPR1;
// for (sint32 f = 0; f < 5; f++)
// {
// if (accessedTempReg[f].IsInvalid())
// continue;
// uint32 regName = ppcImlGenContext.mappedFPRRegister[accessedTempReg[f].GetRegID()];
// if (regName >= PPCREC_NAME_FPR0 && regName < PPCREC_NAME_FPR0 + 32)
// {
// segIt->ppcFPRUsed[regName - PPCREC_NAME_FPR0] = true;
// }
// }
// }
//}
// merge certain float load+store patterns (must happen before FPR register remapping)
PPCRecompiler_optimizeDirectFloatCopies(&ppcImlGenContext);
// delay byte swapping for certain load+store patterns
PPCRecompiler_optimizeDirectIntegerCopies(&ppcImlGenContext);
//if (numLoadedFPRRegisters > 0)
//{
// if (PPCRecompiler_manageFPRRegisters(&ppcImlGenContext) == false)
// {
// return false;
// }
//}
IMLRegisterAllocatorParameters raParam;
for (auto& it : ppcImlGenContext.mappedRegs)
raParam.regIdToName.try_emplace(it.second.GetRegID(), it.first);
auto& gprPhysPool = raParam.GetPhysRegPool(IMLRegFormat::I64);
gprPhysPool.SetAvailable(IMLArchX86::PHYSREG_GPR_BASE + X86_REG_RAX);
gprPhysPool.SetAvailable(IMLArchX86::PHYSREG_GPR_BASE + X86_REG_RDX);
@ -335,6 +285,23 @@ bool PPCRecompiler_ApplyIMLPasses(ppcImlGenContext_t& ppcImlGenContext)
fprPhysPool.SetAvailable(IMLArchX86::PHYSREG_FPR_BASE + 14);
IMLRegisterAllocator_AllocateRegisters(&ppcImlGenContext, raParam);
}
bool PPCRecompiler_ApplyIMLPasses(ppcImlGenContext_t& ppcImlGenContext)
{
// isolate entry points from function flow (enterable segments must not be the target of any other segment)
// this simplifies logic during register allocation
PPCRecompilerIML_isolateEnterableSegments(&ppcImlGenContext);
// if GQRs can be predicted, optimize PSQ load/stores
PPCRecompiler_optimizePSQLoadAndStore(&ppcImlGenContext);
// merge certain float load+store patterns (must happen before FPR register remapping)
IMLOptimizer_OptimizeDirectFloatCopies(&ppcImlGenContext);
// delay byte swapping for certain load+store patterns
IMLOptimizer_OptimizeDirectIntegerCopies(&ppcImlGenContext);
PPCRecompiler_NativeRegisterAllocatorPass(ppcImlGenContext);
//PPCRecompiler_reorderConditionModifyInstructions(&ppcImlGenContext);
//PPCRecompiler_removeRedundantCRUpdates(&ppcImlGenContext);
@ -355,7 +322,7 @@ bool PPCRecompiler_makeRecompiledFunctionActive(uint32 initialEntryPoint, PPCFun
return false;
}
// check if the current range got invalidated in the time it took to recompile it
// check if the current range got invalidated during the time it took to recompile it
bool isInvalidated = false;
for (auto& invRange : PPCRecompilerState.invalidationRanges)
{