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[Bug rtl-optimization/52170] [4.7 Regression] ICE in trunc_int_for_mode, at explow.c:57 during simplify_plus_minus
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 08 Feb 2012 13:29:28 +0000
- Subject: [Bug rtl-optimization/52170] [4.7 Regression] ICE in trunc_int_for_mode, at explow.c:57 during simplify_plus_minus
- Auto-submitted: auto-generated
- References: <bug-52170-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52170
--- Comment #6 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-02-08 13:29:28 UTC ---
Author: rguenth
Date: Wed Feb 8 13:29:22 2012
New Revision: 184007
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184007
Log:
2012-02-08 Richard Guenther <rguenther@suse.de>
PR rtl-optimization/52170
* simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
properly handle integer vector modes.
* gcc.dg/torture/pr52170.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr52170.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/simplify-rtx.c
trunk/gcc/testsuite/ChangeLog