[PATCH] D12143: [X86][AVX2] Replace avx2.pbroadcast / avx2.vbroadcast intrinsics usage in avx2intrin.h with __builtin_shufflevector

[Simon Pilgrim via cfe-commits]

RKSimon created this revision.
RKSimon added reviewers: qcolombet, craig.topper, ab, spatel, silvas.
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Sister patch to D10555

As discussed on D10555, this patch replaces the use of the avx2.vbroadcast (float) and avx2.pbroadcast (integer) broadcast intrinsics in avx2intrin.h with generic __builtin_shufflevector calls.

At present all these changes still result in the expected vbroadcast/vpbroadcast instructions in debug code. I can add a test that ensures this if people wish but the conclusion on the discussion thread was that this shouldn't be considered vital.

Repository:
  rL LLVM

http://reviews.llvm.org/D12143

Files:
  lib/Headers/avx2intrin.h
  test/CodeGen/avx2-builtins.c

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