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[Bug middle-end/70424] [4.9/5/6 Regression] Pointer derived from integer gets reduced alignment
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 29 Mar 2016 12:37:11 +0000
- Subject: [Bug middle-end/70424] [4.9/5/6 Regression] Pointer derived from integer gets reduced alignment
- Auto-submitted: auto-generated
- References: <bug-70424-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70424
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Mar 29 12:36:39 2016
New Revision: 234517
URL: https://gcc.gnu.org/viewcvs?rev=234517&root=gcc&view=rev
Log:
2016-03-29 Richard Biener <rguenther@suse.de>
PR middle-end/70424
* ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
use alignment returned by get_pointer_alignment_1 if it is
bigger than BITS_PER_UNIT.
* builtins.c (get_pointer_alignment_1): Do not return true
for alignment extracted from SSA info.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/builtins.c
trunk/gcc/ipa-prop.c