[PATCH] D63055: [X86] NFCI : Comment updation for EVEX to VEX translation.

[Jatin Bhateja via Phabricator via llvm-commits]

jbhateja updated this revision to Diff 203728.
jbhateja added a comment.

- Updating comment


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D63055/new/

https://reviews.llvm.org/D63055

Files:
  lib/Target/X86/X86EvexToVex.cpp


Index: lib/Target/X86/X86EvexToVex.cpp
===================================================================
--- lib/Target/X86/X86EvexToVex.cpp
+++ 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.
 //
 //===----------------------------------------------------------------------===//


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