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x86jit: Just do the ES/NS compare once.

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Unknown W. Brackets 2014-11-10 22:15:18 -08:00
parent 2758e8fa3c
commit 0e1aa35e84
1 changed files with 11 additions and 10 deletions
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21
Core/MIPS/x86/CompVFPU.cpp
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@ -981,19 +981,13 @@ void Jit::Comp_Vcmp(MIPSOpcode op) {
switch (cond) {
case VC_ES:
comparison = -1; // We will do the compare up here. XMM1 will have the bits.
MOVSS(XMM0, fpr.V(sregs[i]));
ANDPS(XMM0, M(&fourinfnan));
PCMPEQD(XMM0, M(&fourinfnan)); // Integer comparison
MOVSS(XMM1, R(XMM0));
comparison = -1; // We will do the compare at the end. XMM1 will have the bits.
MOVSS(XMM1, fpr.V(sregs[i]));
break;
case VC_NS:
comparison = -1; // We will do the compare up here. XMM1 will have the bits.
MOVSS(XMM0, fpr.V(sregs[i]));
ANDPS(XMM0, M(&fourinfnan));
PCMPEQD(XMM0, M(&fourinfnan)); // Integer comparison
MOVSS(XMM1, R(XMM0));
comparison = -1; // We will do the compare at the end. XMM1 will have the bits.
MOVSS(XMM1, fpr.V(sregs[i]));
// Note that we do this all at once at the end.
inverse = true;
break;
@ -1073,6 +1067,13 @@ void Jit::Comp_Vcmp(MIPSOpcode op) {
affected_bits |= 1 << i;
}
// Finalize the comparison for ES/NS.
if (cond == VC_ES || cond == VC_NS) {
ANDPS(XMM1, M(&fourinfnan));
PCMPEQD(XMM1, M(&fourinfnan)); // Integer comparison
// It's inversed below for NS.
}
if (n > 1) {
XOR(32, R(ECX), R(ECX));
if (inverse) {