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Let LWC1 and SWC1 use direct memory access.

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This commit is contained in:
Jean-Philip Desjardins 2019-04-17 20:03:32 -04:00
parent 9664a470d5
commit 80ec1f9fc7
1 changed files with 62 additions and 12 deletions
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74
Source/COP_FPU.cpp
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@ -505,28 +505,78 @@ void CCOP_FPU::CVT_S_W()
//31
void CCOP_FPU::LWC1()
{
ComputeMemAccessAddrNoXlat();
bool usePageLookup = (m_pCtx->m_pageLookup != nullptr);
m_codeGen->PushCtx();
m_codeGen->PushIdx(1);
m_codeGen->Call(reinterpret_cast<void*>(&MemoryUtils_GetWordProxy), 2, true);
if(usePageLookup)
{
ComputeMemAccessPageRef();
m_codeGen->PullRel(offsetof(CMIPS, m_State.nCOP1[m_ft]));
m_codeGen->PushCst(0);
m_codeGen->BeginIf(Jitter::CONDITION_NE);
{
ComputeMemAccessRef(4);
m_codeGen->PullTop();
m_codeGen->LoadFromRef();
m_codeGen->PullRel(offsetof(CMIPS, m_State.nCOP1[m_ft]));
}
m_codeGen->Else();
}
//Standard memory access
{
ComputeMemAccessAddrNoXlat();
m_codeGen->PushCtx();
m_codeGen->PushIdx(1);
m_codeGen->Call(reinterpret_cast<void*>(&MemoryUtils_GetWordProxy), 2, true);
m_codeGen->PullRel(offsetof(CMIPS, m_State.nCOP1[m_ft]));
m_codeGen->PullTop();
}
if(usePageLookup)
{
m_codeGen->EndIf();
}
}
//39
void CCOP_FPU::SWC1()
{
ComputeMemAccessAddrNoXlat();
bool usePageLookup = (m_pCtx->m_pageLookup != nullptr);
m_codeGen->PushCtx();
m_codeGen->PushRel(offsetof(CMIPS, m_State.nCOP1[m_ft]));
m_codeGen->PushIdx(2);
m_codeGen->Call(reinterpret_cast<void*>(&MemoryUtils_SetWordProxy), 3, false);
if(usePageLookup)
{
ComputeMemAccessPageRef();
m_codeGen->PullTop();
m_codeGen->PushCst(0);
m_codeGen->BeginIf(Jitter::CONDITION_NE);
{
ComputeMemAccessRef(4);
m_codeGen->PushRel(offsetof(CMIPS, m_State.nCOP1[m_ft]));
m_codeGen->StoreAtRef();
}
m_codeGen->Else();
}
//Standard memory access
{
ComputeMemAccessAddrNoXlat();
m_codeGen->PushCtx();
m_codeGen->PushRel(offsetof(CMIPS, m_State.nCOP1[m_ft]));
m_codeGen->PushIdx(2);
m_codeGen->Call(reinterpret_cast<void*>(&MemoryUtils_SetWordProxy), 3, false);
m_codeGen->PullTop();
}
if(usePageLookup)
{
m_codeGen->EndIf();
}
}
//////////////////////////////////////////////////