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[Bug c/84261] gcc fails to vectorize a function call
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 07 Feb 2018 11:38:56 +0000
- Subject: [Bug c/84261] gcc fails to vectorize a function call
- Auto-submitted: auto-generated
- References: <bug-84261-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84261
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
Blocks| |53947
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
This is because reduction operations like 'exp' are not supported. Also
vectorization of loops with using vectors isn't supported.
So not sure what you are expecting.
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
[Bug 53947] [meta-bug] vectorizer missed-optimizations