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[Bug target/53712] Does not combine unaligned load with _mm_cmpistri, redundant instruction at -O0
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 18 Jun 2012 17:40:15 +0000
- Subject: [Bug target/53712] Does not combine unaligned load with _mm_cmpistri, redundant instruction at -O0
- Auto-submitted: auto-generated
- References: <bug-53712-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53712
Uros Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
AssignedTo|unassigned at gcc dot |ubizjak at gmail dot com
|gnu.org |
--- Comment #3 from Uros Bizjak <ubizjak at gmail dot com> 2012-06-18 17:40:15 UTC ---
Created attachment 27652
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27652
Proposed patch
Patch that teaches gcc how to merge pcmpestr/pcmpistr with unaligned load.