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Some more constant support for MUL_SUB.

This commit is contained in:
Ben Vanik 2015-07-29 21:45:24 -07:00
parent d8be8fdbbb
commit a9b89a790b
1 changed files with 19 additions and 4 deletions
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17
src/xenia/cpu/backend/x64/x64_sequences.cc
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@ -4515,16 +4515,31 @@ struct MUL_SUB_V128
// FMA extension // FMA extension
if (e.IsFeatureEnabled(kX64EmitFMA)) { if (e.IsFeatureEnabled(kX64EmitFMA)) {
if (i.dest == i.src1) { if (i.dest == i.src1) {
if (i.src3.is_constant) {
e.LoadConstantXmm(e.xmm0, i.src3.constant());
e.vfmsub213ps(i.dest, i.src2, e.xmm0);
} else {
e.vfmsub213ps(i.dest, i.src2, i.src3); e.vfmsub213ps(i.dest, i.src2, i.src3);
}
} else if (i.dest == i.src2) { } else if (i.dest == i.src2) {
if (i.src3.is_constant) {
e.LoadConstantXmm(e.xmm0, i.src3.constant());
e.vfmsub213ps(i.dest, i.src1, e.xmm0);
} else {
e.vfmsub213ps(i.dest, i.src1, i.src3); e.vfmsub213ps(i.dest, i.src1, i.src3);
}
} else if (i.dest == i.src3) { } else if (i.dest == i.src3) {
e.vfmsub231ps(i.dest, i.src1, i.src2); e.vfmsub231ps(i.dest, i.src1, i.src2);
} else { } else {
// Dest not equal to anything // Dest not equal to anything.
e.vmovdqa(i.dest, i.src1); e.vmovdqa(i.dest, i.src1);
if (i.src3.is_constant) {
e.LoadConstantXmm(e.xmm0, i.src3.constant());
e.vfmsub213ps(i.dest, i.src2, e.xmm0);
} else {
e.vfmsub213ps(i.dest, i.src2, i.src3); e.vfmsub213ps(i.dest, i.src2, i.src3);
} }
}
} else { } else {
Xmm src3; Xmm src3;
if (i.src3.is_constant) { if (i.src3.is_constant) {