[PATCH] D37418: [X86] Use btc/btr/bts to implement xor/and/or that affects a single bit in the upper 32-bits of a 64-bit operation.

[Craig Topper via Phabricator via llvm-commits]

craig.topper updated this revision to Diff 134450.
craig.topper added a comment.

Qualify with optsize. Add tests with/without optsize


https://reviews.llvm.org/D37418

Files:
  lib/Target/X86/X86ISelDAGToDAG.cpp
  lib/Target/X86/X86InstrCompiler.td
  lib/Target/X86/X86InstrInfo.td
  test/CodeGen/X86/x86-64-bittest-logic.ll

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