[PATCH] D34220: [AArch64] Prefer B.cond to CBZ/CBNZ/TBZ/TBNZ when NZCV flags can be set for "free"

Andrew Pinski via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Jun 23 21:24:41 PDT 2017


apinski-cavium added a comment.

Note this should be an improvement for ThunderX (though maybe it is not modeled correctly).  Not ThunderX2T99 though (only because fusion happens even for add/cbz cases too).


https://reviews.llvm.org/D34220





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