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R5900: Use unsigned ops for add/sub

This commit is contained in:
Connor McLaughlin 2022-01-03 00:00:46 +10:00 committed by lightningterror
parent 08ecf3f582
commit 7b6a26367a
1 changed files with 6 additions and 6 deletions
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12
pcsx2/R5900OpcodeImpl.cpp
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@ -300,7 +300,7 @@ void ADDI()
void ADDIU() void ADDIU()
{ {
if (!_Rt_) return; if (!_Rt_) return;
cpuRegs.GPR.r[_Rt_].SD[0] = cpuRegs.GPR.r[_Rs_].SL[0] + _Imm_; cpuRegs.GPR.r[_Rt_].UD[0] = u64(s64(s32(cpuRegs.GPR.r[_Rs_].UL[0] + u32(s32(_Imm_)))));
} }
// Rt = Rs + Im [exception on overflow] // Rt = Rs + Im [exception on overflow]
@ -320,7 +320,7 @@ void DADDI()
void DADDIU() void DADDIU()
{ {
if (!_Rt_) return; if (!_Rt_) return;
cpuRegs.GPR.r[_Rt_].UD[0] = cpuRegs.GPR.r[_Rs_].SD[0] + _Imm_; cpuRegs.GPR.r[_Rt_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[0] + u64(s64(_Imm_));
} }
void ANDI() { if (!_Rt_) return; cpuRegs.GPR.r[_Rt_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[0] & (u64)_ImmU_; } // Rt = Rs And Im (zero-extended) void ANDI() { if (!_Rt_) return; cpuRegs.GPR.r[_Rt_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[0] & (u64)_ImmU_; } // Rt = Rs And Im (zero-extended)
void ORI() { if (!_Rt_) return; cpuRegs.GPR.r[_Rt_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[0] | (u64)_ImmU_; } // Rt = Rs Or Im (zero-extended) void ORI() { if (!_Rt_) return; cpuRegs.GPR.r[_Rt_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[0] | (u64)_ImmU_; } // Rt = Rs Or Im (zero-extended)
@ -368,10 +368,10 @@ void DSUB()
cpuRegs.GPR.r[_Rd_].SD[0] = result; cpuRegs.GPR.r[_Rd_].SD[0] = result;
} }
void ADDU() { if (!_Rd_) return; cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rs_].SL[0] + cpuRegs.GPR.r[_Rt_].SL[0];} // Rd = Rs + Rt void ADDU() { if (!_Rd_) return; cpuRegs.GPR.r[_Rd_].UD[0] = u64(s64(s32(cpuRegs.GPR.r[_Rs_].UL[0] + cpuRegs.GPR.r[_Rt_].UL[0]))); } // Rd = Rs + Rt
void DADDU() { if (!_Rd_) return; cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rs_].SD[0] + cpuRegs.GPR.r[_Rt_].SD[0]; } void DADDU() { if (!_Rd_) return; cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[0] + cpuRegs.GPR.r[_Rt_].UD[0]; }
void SUBU() { if (!_Rd_) return; cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rs_].SL[0] - cpuRegs.GPR.r[_Rt_].SL[0]; } // Rd = Rs - Rt void SUBU() { if (!_Rd_) return; cpuRegs.GPR.r[_Rd_].UD[0] = u64(s64(s32(cpuRegs.GPR.r[_Rs_].UL[0] - cpuRegs.GPR.r[_Rt_].UL[0]))); } // Rd = Rs - Rt
void DSUBU() { if (!_Rd_) return; cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rs_].SD[0] - cpuRegs.GPR.r[_Rt_].SD[0]; } void DSUBU() { if (!_Rd_) return; cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[0] - cpuRegs.GPR.r[_Rt_].UD[0]; }
void AND() { if (!_Rd_) return; cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[0] & cpuRegs.GPR.r[_Rt_].UD[0]; } // Rd = Rs And Rt void AND() { if (!_Rd_) return; cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[0] & cpuRegs.GPR.r[_Rt_].UD[0]; } // Rd = Rs And Rt
void OR() { if (!_Rd_) return; cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[0] | cpuRegs.GPR.r[_Rt_].UD[0]; } // Rd = Rs Or Rt void OR() { if (!_Rd_) return; cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[0] | cpuRegs.GPR.r[_Rt_].UD[0]; } // Rd = Rs Or Rt
void XOR() { if (!_Rd_) return; cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[0] ^ cpuRegs.GPR.r[_Rt_].UD[0]; } // Rd = Rs Xor Rt void XOR() { if (!_Rd_) return; cpuRegs.GPR.r[_Rd_].UD[0] = cpuRegs.GPR.r[_Rs_].UD[0] ^ cpuRegs.GPR.r[_Rt_].UD[0]; } // Rd = Rs Xor Rt