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[Bug middle-end/45379] [4.6 Regression] ~10% slowdown on test_fpu at revision 163278
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 24 Aug 2010 13:25:42 -0000
- Subject: [Bug middle-end/45379] [4.6 Regression] ~10% slowdown on test_fpu at revision 163278
- References: <bug-45379-12313@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #10 from rguenth at gcc dot gnu dot org 2010-08-24 13:25 -------
Subject: Bug 45379
Author: rguenth
Date: Tue Aug 24 13:25:25 2010
New Revision: 163519
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=163519
Log:
2010-08-24 Richard Guenther <rguenther@suse.de>
PR middle-end/45379
* tree-ssa-address.c (create_mem_ref_raw): Drop to MEM_REF
if addr->index is NULL or zero.
* tree-ssa-alias.c (indirect_refs_may_alias_p): Handle
TARGET_MEM_REF more properly.
(indirect_ref_may_alias_decl_p): Likewise.
* emit-rtl.c (set_mem_attributes_minus_bitpos): Keep TARGET_MEM_REFs.
* alias.c (ao_ref_from_mem): Handle TARGET_MEM_REF more
properly.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/alias.c
trunk/gcc/emit-rtl.c
trunk/gcc/tree-ssa-address.c
trunk/gcc/tree-ssa-alias.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45379