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[Bug tree-optimization/81588] [7/8 Regression] Wrong code at -O2
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 03 Aug 2017 09:42:28 +0000
- Subject: [Bug tree-optimization/81588] [7/8 Regression] Wrong code at -O2
- Auto-submitted: auto-generated
- References: <bug-81588-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81588
--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Aug 3 09:41:55 2017
New Revision: 250849
URL: https://gcc.gnu.org/viewcvs?rev=250849&root=gcc&view=rev
Log:
PR tree-optimization/81655
PR tree-optimization/81588
* tree-ssa-reassoc.c (optimize_range_tests_var_bound): Handle also
the case when ranges[i].low and high are 1 for unsigned type with
precision 1.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-ssa-reassoc.c