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[Bug tree-optimization/84486] [7/8 Regression] code hoisting removes alignment assumption
- 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: Mon, 05 Mar 2018 15:01:22 +0000
- Subject: [Bug tree-optimization/84486] [7/8 Regression] code hoisting removes alignment assumption
- Auto-submitted: auto-generated
- References: <bug-84486-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84486
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Mar 5 15:00:48 2018
New Revision: 258249
URL: https://gcc.gnu.org/viewcvs?rev=258249&root=gcc&view=rev
Log:
2018-03-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/84486
* tree-ssa-pre.c (create_expression_by_pieces): Remove dead code.
When inserting a __builtin_assume_aligned call set the LHS
SSA name alignment info accordingly.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-ssa-pre.c