https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70321
Ilya Enkovich <ienkovich at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |ienkovich at gcc dot gnu.org
--- Comment #5 from Ilya Enkovich <ienkovich at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #4)
> For stage1, I wonder if it can't move earlier, say before the combiner. If
> it could, then we could split the TARGET_STV patterns that weren't changed
> into vector insns, and let the combiner deal with that. Is there a reason
> why it is done after the combiner now?
Yes, STV searches for ANDN pattern and also for DI comparison with zero
executed via OR. Those are produced by combiner. I believe some STV tests
would fail if we move it before combine.
