[PATCH] D67311: [X86] Add prefer-128-bit subtarget feature.

[Craig Topper via Phabricator via llvm-commits]

craig.topper marked an inline comment as done.
craig.topper added inline comments.


================
Comment at: llvm/lib/Target/X86/X86.td:383
+    : SubtargetFeature<"prefer-128-bit", "Prefer128Bit", "true",
+                       "Prefer 128-bit AVX instructions">;
+
----------------
lebedev.ri wrote:
> Did you mean SSE?
We'll end up using 128-bit VEX encoded instructions which are part of AVX/AVX2


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D67311/new/

https://reviews.llvm.org/D67311