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[Bug tree-optimization/52286] [4.6/4.7 Regression] wrong code bug
- 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: Mon, 20 Feb 2012 12:19:54 +0000
- Subject: [Bug tree-optimization/52286] [4.6/4.7 Regression] wrong code bug
- Auto-submitted: auto-generated
- References: <bug-52286-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52286
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-20 12:19:54 UTC ---
Author: jakub
Date: Mon Feb 20 12:19:47 2012
New Revision: 184391
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184391
Log:
PR tree-optimization/52286
* fold-const.c (fold_binary_loc): For (X & C1) | C2
optimization use double_int_to_tree instead of build_int_cst_wide,
rewrite to use double_int vars.
* gcc.c-torture/execute/pr52286.c: New test.
Added:
trunk/gcc/testsuite/gcc.c-torture/execute/pr52286.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog