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PPCRec: Further work on support for typed registers in RA

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Additionally there is no more range limit for virtual RegIDs, making the entire uint16 space available in theory
This commit is contained in:
Exzap 2023-02-05 21:20:26 +01:00
parent c891abcb74
commit c786ba0ebb
4 changed files with 159 additions and 212 deletions
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60
src/Cafe/HW/Espresso/Recompiler/IML/IMLRegisterAllocatorRanges.cpp
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@ -3,17 +3,24 @@
#include "IMLRegisterAllocatorRanges.h"
#include "util/helpers/MemoryPool.h"
void PPCRecRARange_addLink_perVirtualGPR(raLivenessSubrange_t** root, raLivenessSubrange_t* subrange)
void PPCRecRARange_addLink_perVirtualGPR(std::unordered_map<IMLRegID, raLivenessSubrange_t*>& root, raLivenessSubrange_t* subrange)
{
#ifdef CEMU_DEBUG_ASSERT
if ((*root) && (*root)->range->virtualRegister != subrange->range->virtualRegister)
assert_dbg();
#endif
subrange->link_sameVirtualRegisterGPR.next = *root;
if (*root)
(*root)->link_sameVirtualRegisterGPR.prev = subrange;
subrange->link_sameVirtualRegisterGPR.prev = nullptr;
*root = subrange;
IMLRegID regId = subrange->range->virtualRegister;
auto it = root.find(regId);
if (it == root.end())
{
// new single element
root.try_emplace(regId, subrange);
subrange->link_sameVirtualRegisterGPR.prev = nullptr;
subrange->link_sameVirtualRegisterGPR.next = nullptr;
}
else
{
// insert in first position
subrange->link_sameVirtualRegisterGPR.next = it->second;
it->second = subrange;
subrange->link_sameVirtualRegisterGPR.prev = subrange;
}
}
void PPCRecRARange_addLink_allSubrangesGPR(raLivenessSubrange_t** root, raLivenessSubrange_t* subrange)
@ -25,15 +32,28 @@ void PPCRecRARange_addLink_allSubrangesGPR(raLivenessSubrange_t** root, raLivene
*root = subrange;
}
void PPCRecRARange_removeLink_perVirtualGPR(raLivenessSubrange_t** root, raLivenessSubrange_t* subrange)
void PPCRecRARange_removeLink_perVirtualGPR(std::unordered_map<IMLRegID, raLivenessSubrange_t*>& root, raLivenessSubrange_t* subrange)
{
raLivenessSubrange_t* tempPrev = subrange->link_sameVirtualRegisterGPR.prev;
if (subrange->link_sameVirtualRegisterGPR.prev)
subrange->link_sameVirtualRegisterGPR.prev->link_sameVirtualRegisterGPR.next = subrange->link_sameVirtualRegisterGPR.next;
else
(*root) = subrange->link_sameVirtualRegisterGPR.next;
if (subrange->link_sameVirtualRegisterGPR.next)
subrange->link_sameVirtualRegisterGPR.next->link_sameVirtualRegisterGPR.prev = tempPrev;
IMLRegID regId = subrange->range->virtualRegister;
raLivenessSubrange_t* nextRange = subrange->link_sameVirtualRegisterGPR.next;
raLivenessSubrange_t* prevRange = subrange->link_sameVirtualRegisterGPR.prev;
raLivenessSubrange_t* newBase = prevRange ? prevRange : nextRange;
if (prevRange)
prevRange->link_sameVirtualRegisterGPR.next = subrange->link_sameVirtualRegisterGPR.next;
if (nextRange)
nextRange->link_sameVirtualRegisterGPR.prev = subrange->link_sameVirtualRegisterGPR.prev;
if (!prevRange)
{
if (nextRange)
{
root.find(regId)->second = nextRange;
}
else
{
root.erase(regId);
}
}
#ifdef CEMU_DEBUG_ASSERT
subrange->link_sameVirtualRegisterGPR.prev = (raLivenessSubrange_t*)1;
subrange->link_sameVirtualRegisterGPR.next = (raLivenessSubrange_t*)1;
@ -87,7 +107,7 @@ raLivenessSubrange_t* PPCRecRA_createSubrange(ppcImlGenContext_t* ppcImlGenConte
// add to range
range->list_subranges.push_back(livenessSubrange);
// add to segment
PPCRecRARange_addLink_perVirtualGPR(&(imlSegment->raInfo.linkedList_perVirtualGPR[range->virtualRegister]), livenessSubrange);
PPCRecRARange_addLink_perVirtualGPR(imlSegment->raInfo.linkedList_perVirtualGPR2, livenessSubrange);
PPCRecRARange_addLink_allSubrangesGPR(&imlSegment->raInfo.linkedList_allSubranges, livenessSubrange);
return livenessSubrange;
}
@ -95,7 +115,7 @@ raLivenessSubrange_t* PPCRecRA_createSubrange(ppcImlGenContext_t* ppcImlGenConte
void _unlinkSubrange(raLivenessSubrange_t* subrange)
{
IMLSegment* imlSegment = subrange->imlSegment;
PPCRecRARange_removeLink_perVirtualGPR(&imlSegment->raInfo.linkedList_perVirtualGPR[subrange->range->virtualRegister], subrange);
PPCRecRARange_removeLink_perVirtualGPR(imlSegment->raInfo.linkedList_perVirtualGPR2, subrange);
PPCRecRARange_removeLink_allSubrangesGPR(&imlSegment->raInfo.linkedList_allSubranges, subrange);
}