The only mask bit used by masked scalar MOV is the lower bit, so no need to and with 1 before passing the mask. Add patterns to recognize that.
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[X86][AVX512] Add masked MOVS[S|D] patterns ClosedPublic Authored by guyblank on Jul 26 2017, 9:07 AM.
Details Summary The only mask bit used by masked scalar MOV is the lower bit, so no need to and with 1 before passing the mask. Add patterns to recognize that.
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This revision is now accepted and ready to land.Jul 31 2017, 12:44 AM Closed by commit rL309546: [X86][AVX512] Add masked MOVS[S|D] patterns (authored by guyblank). · Explain WhyJul 31 2017, 1:26 AM This revision was automatically updated to reflect the committed changes.
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Diff 108298 lib/Target/X86/X86InstrAVX512.td
test/CodeGen/X86/avx512-load-store.ll
test/CodeGen/X86/avx512-select.ll
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Does this extend past 80 columns?