[PATCH] D34515: [ARM] Materialise some boolean values to avoid a branch

Eli Friedman via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Oct 6 11:56:09 PDT 2017


efriedma added a comment.

"it" is more like an instruction prefix than an actual instruction from the perspective of the CPU; it gets decoded into the same thing as an ARM mode conditional instruction. It's not an improvement to replace "it" with an actual instruction.


https://reviews.llvm.org/D34515





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