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[Bug tree-optimization/86010] [7/8/9 Regression] redundant memset with smaller size not eliminated
- From: "law at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 06 Jul 2018 03:44:14 +0000
- Subject: [Bug tree-optimization/86010] [7/8/9 Regression] redundant memset with smaller size not eliminated
- Auto-submitted: auto-generated
- References: <bug-86010-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86010
--- Comment #5 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Fri Jul 6 03:43:42 2018
New Revision: 262464
URL: https://gcc.gnu.org/viewcvs?rev=262464&root=gcc&view=rev
Log:
PR tree-optimization/86010
* tree-ssa-dse.c (compute_trims): More aggressively trim at
both the head and tail of mem* and str* calls.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-ssa-dse.c