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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2016-03-30 14:14:00 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2016-03-30 14:14:00 +0000 |
| commit | b87ffe851903721481d953d37e7c654cd79cc22e (patch) | |
| tree | 3c0cfc56bd8626f9da3c8e08852a07c9908bbe0f /llvm/lib/Transforms/Utils | |
| parent | 832a6790f66c5ec637b3be95703fedf520a38b33 (diff) | |
| download | bcm5719-llvm-b87ffe851903721481d953d37e7c654cd79cc22e.tar.gz bcm5719-llvm-b87ffe851903721481d953d37e7c654cd79cc22e.zip | |
[X86][XOP] BITREVERSE lowering using VPPERM
XOP's VPPERM has some great 'permute operations' that it can do as well as part of shuffling the bytes of a 128-bit vector - in this case we use it to perform BITREVERSE in a single instruction.
llvm-svn: 264870
Diffstat (limited to 'llvm/lib/Transforms/Utils')
0 files changed, 0 insertions, 0 deletions
