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[Bug tree-optimization/64844] [5 Regression] Vectorization inhibited in gcc5 when loop starts with elem[1], aarch64 perf regression from 4.9.1
- 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, 28 Jan 2015 20:41:59 +0000
- Subject: [Bug tree-optimization/64844] [5 Regression] Vectorization inhibited in gcc5 when loop starts with elem[1], aarch64 perf regression from 4.9.1
- Auto-submitted: auto-generated
- References: <bug-64844-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64844
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |aarch64-linux-gnu
Status|UNCONFIRMED |ASSIGNED
Keywords| |missed-optimization
Last reconfirmed| |2015-01-28
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
Ever confirmed|0 |1
Summary|Vectorization inhibited in |[5 Regression]
|gcc5 when loop starts with |Vectorization inhibited in
|elem[1], aarch64 perf |gcc5 when loop starts with
|regression from 4.9.1 |elem[1], aarch64 perf
| |regression from 4.9.1
Target Milestone|--- |5.0
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I will have a look.