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[Bug rtl-optimization/30213] Wrong code with optimized memset() (possible bug in RTL bbro optimizer)
- From: "hubicka at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 20 Dec 2006 20:46:30 -0000
- Subject: [Bug rtl-optimization/30213] Wrong code with optimized memset() (possible bug in RTL bbro optimizer)
- References: <bug-30213-1649@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from hubicka at gcc dot gnu dot org 2006-12-20 20:46 -------
Subject: Bug 30213
Author: hubicka
Date: Wed Dec 20 20:46:15 2006
New Revision: 120083
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=120083
Log:
PR target/30213
* i386.c (expand_setmem_epilogue): Fix formating.
(dsmalest_pow2_greater_than): New function.
(ix86_expand_movmem): Improve comments; avoid re-computing of
epilogue size.
(promote_duplicated_reg_to_size): Break out from ...
(expand_setmem): ... this one; reorganize promotion code;
improve comments; avoid recomputation of epilogue size.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30213