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PowerPC recompiler rework (#641)
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Exzap 2025-04-26 17:59:32 +02:00 • committed by GitHub
parent 06233e3462
commit b089ae5b32
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54 changed files with 15433 additions and 12397 deletions
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133
src/Cafe/HW/Espresso/Recompiler/IML/IMLSegment.cpp Normal file
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#include "IMLInstruction.h"
#include "IMLSegment.h"
void IMLSegment::SetEnterable(uint32 enterAddress)
{
cemu_assert_debug(!isEnterable || enterPPCAddress == enterAddress);
isEnterable = true;
enterPPCAddress = enterAddress;
}
bool IMLSegment::HasSuffixInstruction() const
{
if (imlList.empty())
return false;
const IMLInstruction& imlInstruction = imlList.back();
return imlInstruction.IsSuffixInstruction();
}
sint32 IMLSegment::GetSuffixInstructionIndex() const
{
cemu_assert_debug(HasSuffixInstruction());
return (sint32)(imlList.size() - 1);
}
IMLInstruction* IMLSegment::GetLastInstruction()
{
if (imlList.empty())
return nullptr;
return &imlList.back();
}
void IMLSegment::SetLinkBranchNotTaken(IMLSegment* imlSegmentDst)
{
if (nextSegmentBranchNotTaken)
nextSegmentBranchNotTaken->list_prevSegments.erase(std::find(nextSegmentBranchNotTaken->list_prevSegments.begin(), nextSegmentBranchNotTaken->list_prevSegments.end(), this));
nextSegmentBranchNotTaken = imlSegmentDst;
if(imlSegmentDst)
imlSegmentDst->list_prevSegments.push_back(this);
}
void IMLSegment::SetLinkBranchTaken(IMLSegment* imlSegmentDst)
{
if (nextSegmentBranchTaken)
nextSegmentBranchTaken->list_prevSegments.erase(std::find(nextSegmentBranchTaken->list_prevSegments.begin(), nextSegmentBranchTaken->list_prevSegments.end(), this));
nextSegmentBranchTaken = imlSegmentDst;
if (imlSegmentDst)
imlSegmentDst->list_prevSegments.push_back(this);
}
IMLInstruction* IMLSegment::AppendInstruction()
{
IMLInstruction& inst = imlList.emplace_back();
memset(&inst, 0, sizeof(IMLInstruction));
return &inst;
}
void IMLSegment_SetLinkBranchNotTaken(IMLSegment* imlSegmentSrc, IMLSegment* imlSegmentDst)
{
// make sure segments aren't already linked
if (imlSegmentSrc->nextSegmentBranchNotTaken == imlSegmentDst)
return;
// add as next segment for source
if (imlSegmentSrc->nextSegmentBranchNotTaken != nullptr)
assert_dbg();
imlSegmentSrc->nextSegmentBranchNotTaken = imlSegmentDst;
// add as previous segment for destination
imlSegmentDst->list_prevSegments.push_back(imlSegmentSrc);
}
void IMLSegment_SetLinkBranchTaken(IMLSegment* imlSegmentSrc, IMLSegment* imlSegmentDst)
{
// make sure segments aren't already linked
if (imlSegmentSrc->nextSegmentBranchTaken == imlSegmentDst)
return;
// add as next segment for source
if (imlSegmentSrc->nextSegmentBranchTaken != nullptr)
assert_dbg();
imlSegmentSrc->nextSegmentBranchTaken = imlSegmentDst;
// add as previous segment for destination
imlSegmentDst->list_prevSegments.push_back(imlSegmentSrc);
}
void IMLSegment_RemoveLink(IMLSegment* imlSegmentSrc, IMLSegment* imlSegmentDst)
{
if (imlSegmentSrc->nextSegmentBranchNotTaken == imlSegmentDst)
{
imlSegmentSrc->nextSegmentBranchNotTaken = nullptr;
}
else if (imlSegmentSrc->nextSegmentBranchTaken == imlSegmentDst)
{
imlSegmentSrc->nextSegmentBranchTaken = nullptr;
}
else
assert_dbg();
bool matchFound = false;
for (sint32 i = 0; i < imlSegmentDst->list_prevSegments.size(); i++)
{
if (imlSegmentDst->list_prevSegments[i] == imlSegmentSrc)
{
imlSegmentDst->list_prevSegments.erase(imlSegmentDst->list_prevSegments.begin() + i);
matchFound = true;
break;
}
}
if (matchFound == false)
assert_dbg();
}
/*
* Replaces all links to segment orig with linkts to segment new
*/
void IMLSegment_RelinkInputSegment(IMLSegment* imlSegmentOrig, IMLSegment* imlSegmentNew)
{
while (imlSegmentOrig->list_prevSegments.size() != 0)
{
IMLSegment* prevSegment = imlSegmentOrig->list_prevSegments[0];
if (prevSegment->nextSegmentBranchNotTaken == imlSegmentOrig)
{
IMLSegment_RemoveLink(prevSegment, imlSegmentOrig);
IMLSegment_SetLinkBranchNotTaken(prevSegment, imlSegmentNew);
}
else if (prevSegment->nextSegmentBranchTaken == imlSegmentOrig)
{
IMLSegment_RemoveLink(prevSegment, imlSegmentOrig);
IMLSegment_SetLinkBranchTaken(prevSegment, imlSegmentNew);
}
else
{
assert_dbg();
}
}
}