[PATCH] D26791: [AVX-512] Support FCOPYSIGN form v16f32 and v8f64

[Craig Topper via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: spatel, delena, zvi, RKSimon.
craig.topper added a subscriber: llvm-commits.

This extends FCOPYSIGN support to 512-bit vectors.

I've also added tests to show what the 128-bit and 256-bit cases look like with broadcast loads.


https://reviews.llvm.org/D26791

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/Analysis/CostModel/X86/arith-fp.ll
  test/CodeGen/X86/vec-copysign-avx512.ll
  test/Transforms/SLPVectorizer/X86/fcopysign.ll

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