[PATCH] D66236: [SDAG][x86] check for relaxed math when matching an FP reduction

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added inline comments.


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Comment at: llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:9051
   // <1,u,u,u,u,u,u,u>
+  unsigned Stages = Log2_32(Op.getValueType().getVectorNumElements());
   SDValue PrevOp;
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precommit?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D66236/new/

https://reviews.llvm.org/D66236