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arm64: Implement nor.

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Unknown W. Brackets 2015-06-27 23:54:43 -07:00
parent 11a851a139
commit daddb73f22
1 changed files with 27 additions and 1 deletions
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28
Core/MIPS/ARM64/Arm64CompALU.cpp
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@ -264,7 +264,33 @@ void Arm64Jit::Comp_RType3(MIPSOpcode op) {
break;
case 39: // R(rd) = ~(R(rs) | R(rt)); break; //nor
DISABLE;
if (gpr.IsImm(rs) && gpr.IsImm(rt)) {
gpr.SetImm(rd, ~(gpr.GetImm(rs) | gpr.GetImm(rt)));
} else if (gpr.IsImm(rs) || gpr.IsImm(rt)) {
MIPSGPReg lhs = gpr.IsImm(rs) ? rt : rs;
MIPSGPReg rhs = gpr.IsImm(rs) ? rs : rt;
u32 rhsImm = gpr.GetImm(rhs);
if (rhsImm == 0) {
gpr.MapDirtyIn(rd, lhs);
MVN(gpr.R(rd), gpr.R(lhs));
} else {
// Ignored, just for IsImmLogical.
unsigned int n, imm_s, imm_r;
if (IsImmLogical(rhsImm, 32, &n, &imm_s, &imm_r)) {
// Great, we can avoid flushing a reg.
gpr.MapDirtyIn(rd, lhs);
ORRI2R(gpr.R(rd), gpr.R(lhs), rhsImm);
} else {
gpr.MapDirtyInIn(rd, rs, rt);
ORR(gpr.R(rd), gpr.R(rs), gpr.R(rt));
}
MVN(gpr.R(rd), gpr.R(rd));
}
} else {
gpr.MapDirtyInIn(rd, rs, rt);
ORR(gpr.R(rd), gpr.R(rs), gpr.R(rt));
MVN(gpr.R(rd), gpr.R(rd));
}
break;
case 42: //R(rd) = (int)R(rs) < (int)R(rt); break; //slt