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| author | Jatin Bhateja <jatin.bhateja@gmail.com> | 2019-06-09 09:59:26 +0000 |
|---|---|---|
| committer | Jatin Bhateja <jatin.bhateja@gmail.com> | 2019-06-09 09:59:26 +0000 |
| commit | 2a30aeb01073523109f72b4cb5b51a88839e3daa (patch) | |
| tree | 5e70470b82133cd9661760ad2ba0340a79fe177d /llvm/lib/Target/X86/X86EvexToVex.cpp | |
| parent | 5f337149fab66da3ad5816a2ada5437e13165765 (diff) | |
| download | llvm-2a30aeb01073523109f72b4cb5b51a88839e3daa.zip llvm-2a30aeb01073523109f72b4cb5b51a88839e3daa.tar.gz llvm-2a30aeb01073523109f72b4cb5b51a88839e3daa.tar.bz2 | |
[X86] NFCI : Comment updation for EVEX to VEX translation.
Reviewers: llvm-commits, jbhateja
Reviewed By: jbhateja
Subscribers: llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D63055
llvm-svn: 362898
Diffstat (limited to 'llvm/lib/Target/X86/X86EvexToVex.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86EvexToVex.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86EvexToVex.cpp b/llvm/lib/Target/X86/X86EvexToVex.cpp index ec47088..e92fe4a 100644 --- a/llvm/lib/Target/X86/X86EvexToVex.cpp +++ b/llvm/lib/Target/X86/X86EvexToVex.cpp @@ -12,9 +12,9 @@ /// are encoded using the EVEX prefix and if possible replaces them by their /// corresponding VEX encoding which is usually shorter by 2 bytes. /// EVEX instructions may be encoded via the VEX prefix when the AVX-512 -/// instruction has a corresponding AVX/AVX2 opcode and when it does not -/// use the xmm or the mask registers or xmm/ymm registers with indexes -/// higher than 15. +/// instruction has a corresponding AVX/AVX2 opcode, when vector length +/// accessed by instruction is less than 512 bits and when it does not use +// the xmm or the mask registers or xmm/ymm registers with indexes higher than 15. /// The pass applies code reduction on the generated code for AVX-512 instrs. // //===----------------------------------------------------------------------===// |