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Constant support for Emit16_IN_32.

This commit is contained in:
gibbed 2015-07-26 10:54:47 -05:00
parent 599686f68d
commit 20d79911f0
1 changed files with 18 additions and 2 deletions
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20
src/xenia/cpu/backend/x64/x64_sequences.cc
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@ -6613,7 +6613,15 @@ struct PACK : Sequence<PACK, I<OPCODE_PACK, V128Op, V128Op, V128Op>> {
// PACKUSDW
// TMP[15:0] <- (DEST[31:0] < 0) ? 0 : DEST[15:0];
// DEST[15:0] <- (DEST[31:0] > FFFFH) ? FFFFH : TMP[15:0];
e.vpackusdw(i.dest, i.src1, i.src2);
Xmm src2;
if (!i.src2.is_constant) {
src2 = i.src2;
} else {
assert_false(i.src2 == e.xmm0);
e.LoadConstantXmm(e.xmm0, i.src2.constant());
src2 = e.xmm0;
}
e.vpackusdw(i.dest, i.src1, src2);
e.vpshuflw(i.dest, i.dest, B10110001);
e.vpshufhw(i.dest, i.dest, B10110001);
} else {
@ -6647,7 +6655,15 @@ struct PACK : Sequence<PACK, I<OPCODE_PACK, V128Op, V128Op, V128Op>> {
if (IsPackOutSaturate(flags)) {
// signed -> signed + saturate
// PACKSSDW / SaturateSignedDwordToSignedWord
e.vpackssdw(i.dest, i.src1, i.src2);
Xmm src2;
if (!i.src2.is_constant) {
src2 = i.src2;
} else {
assert_false(e.xmm0 == i.src2);
e.LoadConstantXmm(e.xmm0, i.src2.constant());
src2 = e.xmm0;
}
e.vpackssdw(i.dest, i.src1, src2);
e.vpshuflw(i.dest, i.dest, B10110001);
e.vpshufhw(i.dest, i.dest, B10110001);
} else {