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Revert "[x64] Zero extend on mov to 8bit register"

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This reverts commit 88b0aea272.

(It needs to be applied after xbyak update)
This commit is contained in:
Herman S.
2026-02-13 23:13:07 +09:00
parent 1182f9d73d
commit 3a6f63f34f
1 changed files with 2 additions and 3 deletions
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5
src/xenia/cpu/backend/x64/x64_sequences.cc
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@@ -2856,10 +2856,9 @@ struct SHL_V128 : Sequence<SHL_V128, I<OPCODE_SHL, V128Op, V128Op, I8Op>> {
auto src1 = GetInputRegOrConstant(e, i.src1, e.xmm3);
if (i.src2.is_constant) {
e.mov(e.GetNativeParam(0), i.src2.constant());
e.mov(e.GetNativeParam(1), i.src2.constant());
} else {
// Zero-extend the 8-bit register to avoid garbage in upper bits
e.movzx(e.GetNativeParam(0).cvt32(), i.src2);
e.mov(e.GetNativeParam(1), i.src2);
}
e.lea(e.GetNativeParam(0), e.StashXmm(0, src1));
e.CallNativeSafe(reinterpret_cast<void*>(EmulateShlV128));