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[Bug tree-optimization/26197] [4.2 regression] ICE in is_old_name with vectorizer
- From: "dorit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Aug 2006 12:07:33 -0000
- Subject: [Bug tree-optimization/26197] [4.2 regression] ICE in is_old_name with vectorizer
- References: <bug-26197-1771@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #19 from dorit at gcc dot gnu dot org 2006-08-10 12:07 -------
Subject: Bug 26197
Author: dorit
Date: Thu Aug 10 12:07:22 2006
New Revision: 116060
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=116060
Log:
PR tree-optimization/26197
* tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
get_ref_base_and_extent and overlap_subvar to add only relevant
subvars as may-aliases.
(add_may_alias_for_new_tag): New function, factored out of
new_type_alias.
* tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
with additional argument.
* tree-flow.h (new_type_alias): Takes additional argument.
Added:
trunk/gcc/testsuite/g++.dg/vect/param-max-aliased-pr26197.cc
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/g++.dg/vect/vect.exp
trunk/gcc/tree-flow.h
trunk/gcc/tree-ssa-alias.c
trunk/gcc/tree-vect-transform.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26197