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[Bug tree-optimization/52533] [4.8 Regression] ice in remove_range_assertions
- 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, 12 Mar 2012 10:04:41 +0000
- Subject: [Bug tree-optimization/52533] [4.8 Regression] ice in remove_range_assertions
- Auto-submitted: auto-generated
- References: <bug-52533-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52533
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-03-12 10:04:41 UTC ---
Author: jakub
Date: Mon Mar 12 10:04:34 2012
New Revision: 185219
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=185219
Log:
PR tree-optimization/52533
* tree-vrp.c (register_edge_assert_for_2): Use double_int
type for mask, only handle shifts by non-zero in-range
shift count, for LE_EXPR and GT_EXPR if new_val is
maximum, don't add the assertion.
* gcc.c-torture/compile/pr52533.c: New test.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr52533.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vrp.c