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[Bug middle-end/37774] [4.4 Regression] Alignment information is lost for ARRAY_REFs
- From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 9 Oct 2008 08:18:34 -0000
- Subject: [Bug middle-end/37774] [4.4 Regression] Alignment information is lost for ARRAY_REFs
- References: <bug-37774-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from jakub at gcc dot gnu dot org 2008-10-09 08:18 -------
Subject: Bug 37774
Author: jakub
Date: Thu Oct 9 08:17:08 2008
New Revision: 141003
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141003
Log:
PR middle-end/37774
* tree.h (get_object_alignment): Declare.
* emit-rtl.c (set_mem_attributes_minus_bitpos): Call
get_object_alignment if needed.
* builtins.c (get_pointer_alignment): Move ADDR_EXPR operand handling
to ...
(get_object_alignment): ... here. New function. Try harder to
determine alignment from get_inner_reference returned offset.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/builtins.c
trunk/gcc/emit-rtl.c
trunk/gcc/tree.h
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37774