[PATCH] D45203: [X86] VRNDSCALE* folding from masked and single-value ffloor and fceil patterns

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


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Comment at: llvm/lib/Target/X86/X86InstrAVX512.td:8606
+                                (COPY_TO_REGCLASS $mask, VK1WM), HasVLX>;
+defm : avx512_masked_scalar_imm<ffloor, "RNDSCALESS", X86Movss,
+                                (v1i1 (scalar_to_vector GR16:$mask)),
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Do we have test cases covering this pattern? I can't find any zero extend instructions


https://reviews.llvm.org/D45203