[PATCH] D105853: [ISel] Expand saddsat and ssubsat via asr and xor

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Aug 16 11:34:20 PDT 2021


RKSimon added inline comments.


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Comment at: llvm/lib/Target/X86/X86ISelLowering.h:1036
 
+    bool preferExpandSAddSubSatViaAsrXor(unsigned Opcode, EVT VT) const override;
+
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I think we're better off avoiding this if we can - if you revert this change I'll add a X86 custom lowering and email it to you.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D105853/new/

https://reviews.llvm.org/D105853



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