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[Bug target/63949] Aarch64 instruction combiner does not optimize subsi_sxth function as expected
- From: "ktkachov at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 19 Nov 2014 12:05:35 +0000
- Subject: [Bug target/63949] Aarch64 instruction combiner does not optimize subsi_sxth function as expected
- Auto-submitted: auto-generated
- References: <bug-63949-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63949
ktkachov at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
Target| |aarch64*
Status|UNCONFIRMED |NEW
Last reconfirmed| |2014-11-19
CC| |ktkachov at gcc dot gnu.org
Ever confirmed|0 |1
Known to fail| |4.8.4, 4.9.2, 5.0
--- Comment #1 from ktkachov at gcc dot gnu.org ---
Confirmed. Also, I see it failing on 4.9.2 and 4.8.4 as well. Has this ever
worked?