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PPCRec: Added dump option for recompiled functions + more fixes

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Exzap 2024-10-19 05:48:38 +02:00
parent b55785a0a0
commit 25794f70fa
6 changed files with 72 additions and 53 deletions
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49
src/Cafe/HW/Espresso/Recompiler/IML/IMLRegisterAllocator.cpp
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@ -265,7 +265,7 @@ sint32 IMLRA_CountDistanceUntilFixedRegUsage(IMLSegment* imlSegment, raInstructi
{
if(fixedRegLoc.reg.IsInvalid() || fixedRegLoc.reg.GetRegID() != ourRegId)
{
cemu_assert_debug(fixedRegLoc.physRegSet.HasExactlyOneAvailable()); // this whole function only makes sense when there is only one fixed register, otherwise there are extra permutations to consider
cemu_assert_debug(fixedRegLoc.reg.IsInvalid() || fixedRegLoc.physRegSet.HasExactlyOneAvailable()); // this whole function only makes sense when there is only one fixed register, otherwise there are extra permutations to consider. Except for IMLREG_INVALID which is used to indicate reserved registers
if(fixedRegLoc.physRegSet.IsAvailable(physRegister))
return currentPos.GetRaw() - startPosition.GetRaw();
}
@ -572,30 +572,35 @@ void IMLRA_HandleFixedRegisters(ppcImlGenContext_t* ppcImlGenContext, IMLSegment
for(size_t i=0; i<frr.size(); i++)
{
raFixedRegRequirementWithVGPR& entry = frr[i];
cemu_assert_debug(entry.allowedReg.HasExactlyOneAvailable()); // we currently only handle fixed register requirements with a single register
IMLPhysReg physReg = entry.allowedReg.GetFirstAvailableReg();
// check if the assigned vGPR has changed
bool vgprHasChanged = false;
auto it = lastVGPR.find(physReg);
if(it != lastVGPR.end())
vgprHasChanged = it->second != entry.regId;
else
vgprHasChanged = true;
lastVGPR[physReg] = entry.regId;
if(!vgprHasChanged)
continue;
boost::container::small_vector<raLivenessRange*, 8> overlappingRanges = IMLRA_GetRangeWithFixedRegReservationOverlappingPos(imlSegment, entry.pos, physReg);
if(entry.regId != IMLRegID_INVALID)
cemu_assert_debug(!overlappingRanges.empty()); // there should always be at least one range that overlaps corresponding to the fixed register requirement, except for IMLRegID_INVALID which is used to indicate reserved registers
for(auto& range : overlappingRanges)
// we currently only handle fixed register requirements with a single register
// with one exception: When regId is IMLRegID_INVALID then the entry acts as a list of reserved registers
cemu_assert_debug(entry.regId == IMLRegID_INVALID || entry.allowedReg.HasExactlyOneAvailable());
for(IMLPhysReg physReg = entry.allowedReg.GetFirstAvailableReg(); physReg >= 0; physReg = entry.allowedReg.GetNextAvailableReg(physReg+1))
{
if(range->interval2.start < entry.pos)
// check if the assigned vGPR has changed
bool vgprHasChanged = false;
auto it = lastVGPR.find(physReg);
if(it != lastVGPR.end())
vgprHasChanged = it->second != entry.regId;
else
vgprHasChanged = true;
lastVGPR[physReg] = entry.regId;
if(!vgprHasChanged)
continue;
boost::container::small_vector<raLivenessRange*, 8> overlappingRanges = IMLRA_GetRangeWithFixedRegReservationOverlappingPos(imlSegment, entry.pos, physReg);
if(entry.regId != IMLRegID_INVALID)
cemu_assert_debug(!overlappingRanges.empty()); // there should always be at least one range that overlaps corresponding to the fixed register requirement, except for IMLRegID_INVALID which is used to indicate reserved registers
for(auto& range : overlappingRanges)
{
PPCRecRA_splitLocalSubrange2(ppcImlGenContext, range, entry.pos, true);
if(range->interval2.start < entry.pos)
{
PPCRecRA_splitLocalSubrange2(ppcImlGenContext, range, entry.pos, true);
}
}
}
}
// finally iterate ranges and assign fixed registers