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Allow more cases in IsDelaySlotNiceVFPU().

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Unknown W. Brackets 2013-09-05 23:22:49 -07:00
parent 96b4ef47e1
commit efe92666fb
1 changed files with 14 additions and 3 deletions
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17
Core/MIPS/MIPSAnalyst.cpp
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@ -58,6 +58,10 @@ namespace MIPSAnalyst
}
bool IsDelaySlotNiceReg(MIPSOpcode branchOp, MIPSOpcode op, MIPSGPReg reg1, MIPSGPReg reg2) {
MIPSInfo info = MIPSGetInfo(op);
if (info & IS_CONDBRANCH) {
return false;
}
// $0 is never an out reg, it's always 0.
if (reg1 != MIPS_REG_ZERO && GetOutGPReg(op) == reg1) {
return false;
@ -70,12 +74,19 @@ namespace MIPSAnalyst
}
bool IsDelaySlotNiceVFPU(MIPSOpcode branchOp, MIPSOpcode op) {
// TODO: There may be IS_VFPU cases which are safe...
return (MIPSGetInfo(op) & IS_VFPU) == 0;
MIPSInfo info = MIPSGetInfo(op);
if (info & IS_CONDBRANCH) {
return false;
}
return (info & OUT_VFPU_CC) == 0;
}
bool IsDelaySlotNiceFPU(MIPSOpcode branchOp, MIPSOpcode op) {
return (MIPSGetInfo(op) & OUT_FPUFLAG) == 0;
MIPSInfo info = MIPSGetInfo(op);
if (info & IS_CONDBRANCH) {
return false;
}
return (info & OUT_FPUFLAG) == 0;
}
bool IsSyscall(MIPSOpcode op) {