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Core: Update CX86RecompilerOps::COP1_S_SQRT to work with fpu exceptions

This commit is contained in:
zilmar 2024-01-04 16:51:11 +10:30
parent f8089f565e
commit 4dc3e35bb4
1 changed files with 27 additions and 5 deletions
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32
Source/Project64-core/N64System/Recompiler/x86/x86RecompilerOps.cpp
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@ -7856,11 +7856,33 @@ void CX86RecompilerOps::COP1_S_NEG()
void CX86RecompilerOps::COP1_S_SQRT()
{
CompileCop1Test();
m_RegWorkingSet.FixRoundModel(CRegInfo::RoundDefault);
m_RegWorkingSet.Load_FPR_ToTop(m_Opcode.fd, m_Opcode.fs, CRegInfo::FPU_Float);
m_Assembler.fsqrt();
m_RegWorkingSet.UnMap_FPR(m_Opcode.fd, true);
if (FpuExceptionInRecompiler())
{
CompileInitFpuOperation(CRegInfo::RoundDefault);
if (m_RegWorkingSet.RegInStack(m_Opcode.fs, CRegInfo::FPU_Float))
{
g_Notify->BreakPoint(__FILE__, __LINE__);
return;
}
asmjit::x86::Gp TempReg = m_RegWorkingSet.FPRValuePointer(m_Opcode.fs, CRegInfo::FPU_Float);
CompileCheckFPUInput32(TempReg);
m_RegWorkingSet.SetX86Protected(GetIndexFromX86Reg(TempReg), false);
TempReg = m_RegWorkingSet.FPRValuePointer(m_Opcode.fs, CRegInfo::FPU_Float);
CompileCheckFPUInput32(TempReg);
m_RegWorkingSet.PrepareFPTopToBe(m_Opcode.fd, m_Opcode.fs, CRegInfo::FPU_Float);
m_Assembler.fsqrt();
m_RegWorkingSet.SetX86Protected(GetIndexFromX86Reg(TempReg), false);
CompileCheckFPUResult32(m_Opcode.fd);
m_RegWorkingSet.SetFPTopAs(m_Opcode.fd);
}
else
{
CompileCop1Test();
m_RegWorkingSet.FixRoundModel(CRegInfo::RoundDefault);
m_RegWorkingSet.Load_FPR_ToTop(m_Opcode.fd, m_Opcode.fs, CRegInfo::FPU_Float);
m_Assembler.fsqrt();
m_RegWorkingSet.UnMap_FPR(m_Opcode.fd, true);
}
}
void CX86RecompilerOps::COP1_S_MOV()