preserve-emulation/pcsx2
1
0 Fork 0
mirror of https://github.com/PCSX2/pcsx2.git synced 2026-11-14 10:10:12 +01:00
Code Issues Packages Projects Releases Wiki Activity

iR5900: Use unsigned math for constant prop of add/sub

Browse Source 
Signed overflow is undefined.
This commit is contained in:
Connor McLaughlin authored and lightningterror committed 2022-01-17 20:08:11 +01:00
1 parent 8d38e97c0b
commit 08ecf3f582
2 files changed
+6 -6
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

pcsx2/x86/ix86-32/iR5900Arit.cpp
+4 -4
View File
@@ -57,7 +57,7 @@ REC_FUNC_DEL(SLTU, _Rd_);
//// ADD
void recADD_const()
{
g_cpuConstRegs[_Rd_].SD[0] = g_cpuConstRegs[_Rs_].SL[0] + g_cpuConstRegs[_Rt_].SL[0];
g_cpuConstRegs[_Rd_].SD[0] = s64(s32(g_cpuConstRegs[_Rs_].UL[0] + g_cpuConstRegs[_Rt_].UL[0]));
}
void recADD_constv(int info, int creg, u32 vreg)
@@ -108,7 +108,7 @@ void recADDU(void)
//// DADD
void recDADD_const(void)
{
g_cpuConstRegs[_Rd_].SD[0] = g_cpuConstRegs[_Rs_].SD[0] + g_cpuConstRegs[_Rt_].SD[0];
g_cpuConstRegs[_Rd_].UD[0] = g_cpuConstRegs[_Rs_].UD[0] + g_cpuConstRegs[_Rt_].UD[0];
}
void recDADD_constv(int info, int creg, u32 vreg)
@@ -248,7 +248,7 @@ void recDADDU(void)
void recSUB_const()
{
g_cpuConstRegs[_Rd_].SD[0] = g_cpuConstRegs[_Rs_].SL[0] - g_cpuConstRegs[_Rt_].SL[0];
g_cpuConstRegs[_Rd_].SD[0] = s64(s32(g_cpuConstRegs[_Rs_].UL[0] - g_cpuConstRegs[_Rt_].UL[0]));
}
void recSUB_consts(int info)
@@ -305,7 +305,7 @@ void recSUBU(void)
//// DSUB
void recDSUB_const()
{
g_cpuConstRegs[_Rd_].SD[0] = g_cpuConstRegs[_Rs_].SD[0] - g_cpuConstRegs[_Rt_].SD[0];
g_cpuConstRegs[_Rd_].UD[0] = g_cpuConstRegs[_Rs_].UD[0] - g_cpuConstRegs[_Rt_].UD[0];
}
void recDSUB_consts(int info)
pcsx2/x86/ix86-32/iR5900AritImm.cpp
+2 -2
View File
@@ -51,7 +51,7 @@ REC_FUNC_DEL(SLTIU, _Rt_);
//// ADDI
void recADDI_const(void)
{
g_cpuConstRegs[_Rt_].SD[0] = (s64)(g_cpuConstRegs[_Rs_].SL[0] + (s32)_Imm_);
g_cpuConstRegs[_Rt_].SD[0] = s64(s32(g_cpuConstRegs[_Rs_].UL[0] + u32(s32(_Imm_))));
}
void recADDI_(int info)
@@ -86,7 +86,7 @@ void recADDIU()
////////////////////////////////////////////////////
void recDADDI_const()
{
g_cpuConstRegs[_Rt_].SD[0] = g_cpuConstRegs[_Rs_].SD[0] + (s64)_Imm_;
g_cpuConstRegs[_Rt_].UD[0] = g_cpuConstRegs[_Rs_].UD[0] + u64(s64(_Imm_));
}
void recDADDI_(int info)