diff options
Diffstat (limited to 'llvm/lib')
| -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. // //===----------------------------------------------------------------------===// |