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x86 jit: Minor optimization in vmmul

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This commit is contained in:
Henrik Rydgard 2014-12-06 00:27:31 +01:00
parent fb251c9a5c
commit d46c9c2f74
1 changed files with 5 additions and 1 deletions
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6
Core/MIPS/x86/CompVFPU.cpp
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@ -2661,9 +2661,13 @@ void Jit::Comp_Vmmul(MIPSOpcode op) {
// TODO: With more temp registers, can generate much more efficient code.
for (int i = 0; i < n; i++) {
MOVSS(XMM1, fpr.V(tregs[4 * i])); // TODO: AVX broadcastss to replace this and the SHUFPS
MOVSS(XMM0, fpr.V(tregs[4 * i + 1]));
SHUFPS(XMM1, R(XMM1), _MM_SHUFFLE(0, 0, 0, 0));
SHUFPS(XMM0, R(XMM0), _MM_SHUFFLE(0, 0, 0, 0));
MULPS(XMM1, fpr.VS(scol[0]));
for (int j = 1; j < n; j++) {
MULPS(XMM0, fpr.VS(scol[1]));
ADDPS(XMM1, R(XMM0));
for (int j = 2; j < n; j++) {
MOVSS(XMM0, fpr.V(tregs[4 * i + j]));
SHUFPS(XMM0, R(XMM0), _MM_SHUFFLE(0, 0, 0, 0));
MULPS(XMM0, fpr.VS(scol[j]));