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Unsigned Emit16_IN_32.

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gibbed 2015-07-26 09:57:52 -05:00
parent 34031e57ab
commit 599686f68d
1 changed files with 8 additions and 1 deletions
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9
src/xenia/cpu/backend/x64/x64_sequences.cc
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@ -6607,8 +6607,15 @@ struct PACK : Sequence<PACK, I<OPCODE_PACK, V128Op, V128Op, V128Op>> {
if (IsPackInUnsigned(flags)) { if (IsPackInUnsigned(flags)) {
if (IsPackOutUnsigned(flags)) { if (IsPackOutUnsigned(flags)) {
if (IsPackOutSaturate(flags)) { if (IsPackOutSaturate(flags)) {
// TODO(gibbed): check if this is actually correct, it's a duplicate
// of the signed -> unsigned + saturate code, but seems to work.
// unsigned -> unsigned + saturate // unsigned -> unsigned + saturate
assert_always(); // 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);
e.vpshuflw(i.dest, i.dest, B10110001);
e.vpshufhw(i.dest, i.dest, B10110001);
} else { } else {
// unsigned -> unsigned // unsigned -> unsigned
assert_always(); assert_always();