[PATCH] D33572: [PPC] Implement fast bit reverse in PPCDAGToDAGISel

Hiroshi Inoue via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jun 27 00:26:23 PDT 2017

Previous message: [PATCH] D33572: [PPC] Implement fast bit reverse in PPCDAGToDAGISel
Next message: [PATCH] D34258: [Dominators] Use Semi-NCA instead of SLT to calculate dominators
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

inouehrs added a comment.

Maybe, you do not need to implement idiom recognition for the bit reversal operation by your self (see makeBitReverse in CodeGenPrepare.cpp).


https://reviews.llvm.org/D33572

Previous message: [PATCH] D33572: [PPC] Implement fast bit reverse in PPCDAGToDAGISel
Next message: [PATCH] D34258: [Dominators] Use Semi-NCA instead of SLT to calculate dominators
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

More information about the llvm-commits mailing list