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[Bug tree-optimization/37101] [4.2/4.3 Regression] wrong code: tree vectorizer omits bogus movq/movlps construct
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 Aug 2008 11:34:18 -0000
- Subject: [Bug tree-optimization/37101] [4.2/4.3 Regression] wrong code: tree vectorizer omits bogus movq/movlps construct
- References: <bug-37101-10561@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from ubizjak at gmail dot com 2008-08-14 11:34 -------
(In reply to comment #5)
> Created an attachment (id=16068)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16068&action=view) [edit]
> Remove broken alternatives using movlps for vec_concatv2di(_rex) insn
This is in fact the correct fix. I'm bootstrapping and regression testing your
patch on gcc-4.4 and will do the backport to branches in a couple of days.
--
ubizjak at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |ubizjak at gmail dot com
|dot org |
Status|NEW |ASSIGNED
Last reconfirmed|2008-08-13 13:47:27 |2008-08-14 11:34:18
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37101