[PATCH] D106918: [x86] improve CMOV codegen by pushing add into operands, part 3

Pengfei Wang via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jul 27 18:22:40 PDT 2021


pengfei added inline comments.


================
Comment at: llvm/test/CodeGen/X86/add-cmov.ll:284
+; CHECK-NEXT:    addq $60, %rdx
 ; CHECK-NEXT:    testb $1, %dil
+; CHECK-NEXT:    cmovneq %rcx, %rdx
----------------
lea won't affect eflags, so it may still be better than add in some complex scenarios I guess?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D106918/new/

https://reviews.llvm.org/D106918



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