[PATCH] D14906: [X86][FMA] Optimize FNEG(FMA) Patterns

[Elena Demikhovsky via llvm-commits]

delena added inline comments.

================
Comment at: lib/Target/X86/X86ISelLowering.cpp:13400
@@ -13399,1 +13399,3 @@
 
+  // If we're negating a FMA node, then we can adjust the
+  // instruction to include the extra negation.
----------------
What we are doing in PerformFMACombine() ? May be we can extend there?


Repository:
  rL LLVM

http://reviews.llvm.org/D14906