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Unpack d3dcolor const.

This commit is contained in:
Ben Vanik 2014-09-01 10:47:37 -07:00
parent 8dcfe94d81
commit c00e162b88
1 changed files with 6 additions and 1 deletions
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5
src/alloy/backend/x64/x64_sequences.cc
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@ -5089,8 +5089,13 @@ EMITTER(UNPACK, MATCH(I<OPCODE_UNPACK, V128<>, V128<>>)) {
// ARGB (WXYZ) -> RGBA (XYZW) // ARGB (WXYZ) -> RGBA (XYZW)
// XMLoadColor // XMLoadColor
if (i.src1.is_constant) { if (i.src1.is_constant) {
if (i.src1.value->IsConstantZero()) {
e.vmovaps(i.dest, e.GetXmmConstPtr(XMMOne));
return;
} else {
assert_always(); assert_always();
} }
}
// src = ZZYYXXWW // src = ZZYYXXWW
// Unpack to 000000ZZ,000000YY,000000XX,000000WW // Unpack to 000000ZZ,000000YY,000000XX,000000WW
e.vpshufb(i.dest, i.src1, e.GetXmmConstPtr(XMMUnpackD3DCOLOR)); e.vpshufb(i.dest, i.src1, e.GetXmmConstPtr(XMMUnpackD3DCOLOR));