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[Bug target/46519] Missing vzeroupper
- From: "hjl at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 30 Dec 2010 13:12:17 +0000
- Subject: [Bug target/46519] Missing vzeroupper
- Auto-submitted: auto-generated
- References: <bug-46519-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46519
--- Comment #7 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> 2010-12-30 13:12:05 UTC ---
Author: hjl
Date: Thu Dec 30 13:12:02 2010
New Revision: 168342
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168342
Log:
Repeat processing all basic blocks for vzeroupper optimization.
gcc/
2010-12-30 H.J. Lu <hongjiu.lu@intel.com>
PR target/46519
* config/i386/i386.c (block_info_def): Remove referenced, count
and rescanned.
(move_or_delete_vzeroupper_2): Updated.
(move_or_delete_vzeroupper_1): Rewritten to avoid recursive call.
(rescan_move_or_delete_vzeroupper): Removed.
(move_or_delete_vzeroupper): Repeat processing all basic blocks
until no basic block state is changed to used at exit.
gcc/testsuite/
2010-12-30 H.J. Lu <hongjiu.lu@intel.com>
PR target/46519
* gfortran.dg/pr46519-2.f90: New.
Added:
trunk/gcc/testsuite/gfortran.dg/pr46519-2.f90
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.c
trunk/gcc/testsuite/ChangeLog