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[x64] Fix AVX2 optimization path for VECTOR_SHL_V128

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Ensure the optimized path matches the fallback behavior
This commit is contained in:
Herman S.
2025-10-25 17:47:18 +09:00
parent b3a131698c
commit 77e320f79a
1 changed files with 6 additions and 6 deletions
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12
src/xenia/cpu/backend/x64/x64_seq_vector.cc
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@@ -947,9 +947,9 @@ struct VECTOR_SHL_V128
e.vpshufb(e.xmm2, e.xmm2, e.GetXmmConstPtr(XMMIntsToBytes));
e.vpshufb(e.xmm3, e.xmm3, e.GetXmmConstPtr(XMMIntsToBytes));
e.vpunpckldq(e.xmm0, e.xmm0, e.xmm1);
e.vpunpckldq(e.xmm2, e.xmm2, e.xmm3);
e.vpunpcklqdq(i.dest, e.xmm0, e.xmm2);
e.vpunpckldq(e.xmm0, e.xmm0, e.xmm2);
e.vpunpckldq(e.xmm1, e.xmm1, e.xmm3);
e.vpunpcklqdq(i.dest, e.xmm0, e.xmm1);
return;
} else {
vec128_t constmask = i.src2.constant();
@@ -1001,9 +1001,9 @@ struct VECTOR_SHL_V128
e.vpshufb(e.xmm2, e.xmm2, e.GetXmmConstPtr(XMMIntsToBytes));
e.vpshufb(e.xmm3, e.xmm3, e.GetXmmConstPtr(XMMIntsToBytes));
e.vpunpckldq(e.xmm0, e.xmm0, e.xmm1);
e.vpunpckldq(e.xmm2, e.xmm2, e.xmm3);
e.vpunpcklqdq(i.dest, e.xmm0, e.xmm2);
e.vpunpckldq(e.xmm0, e.xmm0, e.xmm2);
e.vpunpckldq(e.xmm1, e.xmm1, e.xmm3);
e.vpunpcklqdq(i.dest, e.xmm0, e.xmm1);
return;
}