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[Bug tree-optimization/39999] [4.4/4.5 Regression] gcc 4.4.0 compiles in infinite loop
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 15 May 2009 13:10:11 -0000
- Subject: [Bug tree-optimization/39999] [4.4/4.5 Regression] gcc 4.4.0 compiles in infinite loop
- References: <bug-39999-11113@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from rguenth at gcc dot gnu dot org 2009-05-15 13:10 -------
Subject: Bug 39999
Author: rguenth
Date: Fri May 15 13:09:53 2009
New Revision: 147573
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=147573
Log:
2009-05-15 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39999
* gimple.h (gimple_expr_type): Use the expression type looking
through useless conversions.
* tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
(vn_nary_op_insert_stmt): Likewise.
(simplify_binary_expression): Likewise.
* gcc.c-torture/compile/pr39999.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr39999.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/gimple.h
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-sccvn.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39999