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Core: Handle FP Status Reg being mapped better

This commit is contained in:
zilmar 2024-01-25 18:46:39 +10:30
parent 7707f9c7b2
commit bc3fe0fe16
1 changed files with 57 additions and 8 deletions
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65
Source/Project64-core/N64System/Recompiler/x86/x86RecompilerOps.cpp
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@ -2157,7 +2157,14 @@ void CX86RecompilerOps::BGEZ_Compare()
void CX86RecompilerOps::COP1_BCF_Compare()
{
m_Assembler.TestVariable(&m_Reg.m_FPCR[31], "_FPCR[31]", FPCSR_C);
if (m_RegWorkingSet.IsFPStatusRegMapped())
{
m_Assembler.test(m_RegWorkingSet.Map_FPStatusReg(), FPCSR_C);
}
else
{
m_Assembler.TestVariable(&m_Reg.m_FPCR[31], "_FPCR[31]", FPCSR_C);
}
if (m_Section->m_Cont.FallThrough)
{
m_Section->m_Jump.LinkLocation = m_Assembler.newLabel();
@ -2179,7 +2186,14 @@ void CX86RecompilerOps::COP1_BCF_Compare()
void CX86RecompilerOps::COP1_BCT_Compare()
{
m_Assembler.TestVariable(&m_Reg.m_FPCR[31], "_FPCR[31]", FPCSR_C);
if (m_RegWorkingSet.IsFPStatusRegMapped())
{
m_Assembler.test(m_RegWorkingSet.Map_FPStatusReg(), FPCSR_C);
}
else
{
m_Assembler.TestVariable(&m_Reg.m_FPCR[31], "_FPCR[31]", FPCSR_C);
}
if (m_Section->m_Cont.FallThrough)
{
m_Section->m_Jump.LinkLocation = m_Assembler.newLabel();
@ -7593,6 +7607,7 @@ void CX86RecompilerOps::COP1_CT()
return;
}
m_RegWorkingSet.UnMap_FPStatusReg();
if (m_RegWorkingSet.IsConst(m_Opcode.rt))
{
m_Assembler.MoveConstToVariable(&m_Reg.m_FPCR[m_Opcode.fs], CRegName::FPR_Ctrl[m_Opcode.fs], m_RegWorkingSet.GetMipsRegLo(m_Opcode.rt) & 0x183FFFF);
@ -8045,8 +8060,14 @@ void CX86RecompilerOps::COP1_S_CMP()
g_Notify->BreakPoint(__FILE__, __LINE__);
return;
}
m_Assembler.AndConstToVariable(&m_Reg.m_FPCR[31], "_FPCR[31]", (uint32_t)~FPCSR_C);
if (m_RegWorkingSet.IsFPStatusRegMapped())
{
m_Assembler.and_(m_RegWorkingSet.Map_FPStatusReg(), (uint32_t)~FPCSR_C);
}
else
{
m_Assembler.AndConstToVariable(&m_Reg.m_FPCR[31], "_FPCR[31]", (uint32_t)~FPCSR_C);
}
m_RegWorkingSet.Map_TempReg(asmjit::x86::eax, 0, false, false);
asmjit::x86::Gp StatusReg = m_RegWorkingSet.Map_FPStatusReg();
asmjit::x86::Gp TempRegValue = m_RegWorkingSet.Map_TempReg(x86Reg_Unknown, -1, false, true);
@ -8156,7 +8177,14 @@ void CX86RecompilerOps::COP1_S_CMP()
m_Assembler.MoveVariableToX86reg(TempReg, (uint8_t *)&m_Reg.m_FPR_S[Reg2], stdstr_f("m_FPR_S[%d]", Reg2).c_str());
m_Assembler.fcom(asmjit::x86::dword_ptr(TempReg));
}
m_Assembler.AndConstToVariable(&m_Reg.m_FPCR[31], "_FPCR[31]", (uint32_t)~FPCSR_C);
if (m_RegWorkingSet.IsFPStatusRegMapped())
{
m_Assembler.and_(m_RegWorkingSet.Map_FPStatusReg(), (uint32_t)~FPCSR_C);
}
else
{
m_Assembler.AndConstToVariable(&m_Reg.m_FPCR[31], "_FPCR[31]", (uint32_t)~FPCSR_C);
}
m_Assembler.fnstsw(asmjit::x86::ax);
asmjit::x86::Gp Reg = m_RegWorkingSet.Map_TempReg(x86Reg_Unknown, 0, false, true);
m_Assembler.test(asmjit::x86::eax, cmp);
@ -8184,7 +8212,14 @@ void CX86RecompilerOps::COP1_S_CMP()
m_Assembler.setz(Reg);
}
m_Assembler.shl(Reg, 23);
m_Assembler.OrX86RegToVariable(&m_Reg.m_FPCR[31], "_FPCR[31]", Reg);
if (m_RegWorkingSet.IsFPStatusRegMapped())
{
m_Assembler.or_(m_RegWorkingSet.Map_FPStatusReg(), Reg);
}
else
{
m_Assembler.OrX86RegToVariable(&m_Reg.m_FPCR[31], "_FPCR[31]", Reg);
}
}
}
@ -8541,7 +8576,14 @@ void CX86RecompilerOps::COP1_D_CMP()
m_RegWorkingSet.Load_FPR_ToTop(Reg1, Reg1, CRegInfo::FPU_Double);
m_Assembler.fcom(asmjit::x86::qword_ptr(TempReg));
}
m_Assembler.AndConstToVariable(&m_Reg.m_FPCR[31], "_FPCR[31]", (uint32_t)~FPCSR_C);
if (m_RegWorkingSet.IsFPStatusRegMapped())
{
m_Assembler.and_(m_RegWorkingSet.Map_FPStatusReg(), (uint32_t)~FPCSR_C);
}
else
{
m_Assembler.AndConstToVariable(&m_Reg.m_FPCR[31], "_FPCR[31]", (uint32_t)~FPCSR_C);
}
m_Assembler.fnstsw(asmjit::x86::ax);
asmjit::x86::Gp Reg = m_RegWorkingSet.Map_TempReg(x86Reg_Unknown, 0, false, true);
m_Assembler.test(asmjit::x86::eax, cmp);
@ -8568,7 +8610,14 @@ void CX86RecompilerOps::COP1_D_CMP()
m_Assembler.setz(Reg);
}
m_Assembler.shl(Reg, 23);
m_Assembler.OrX86RegToVariable(&m_Reg.m_FPCR[31], "_FPCR[31]", Reg);
if (m_RegWorkingSet.IsFPStatusRegMapped())
{
m_Assembler.or_(m_RegWorkingSet.Map_FPStatusReg(), Reg);
}
else
{
m_Assembler.OrX86RegToVariable(&m_Reg.m_FPCR[31], "_FPCR[31]", Reg);
}
}
// COP1: W functions