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[Bug rtl-optimization/40861] [4.4/4.5 Regression] ICE in simplify_subreg, at simplify-rtx.c:4981
- From: "uros at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 27 Aug 2009 20:54:45 -0000
- Subject: [Bug rtl-optimization/40861] [4.4/4.5 Regression] ICE in simplify_subreg, at simplify-rtx.c:4981
- References: <bug-40861-12544@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from uros at gcc dot gnu dot org 2009-08-27 20:54 -------
Subject: Bug 40861
Author: uros
Date: Thu Aug 27 20:54:28 2009
New Revision: 151149
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=151149
Log:
PR rtl-optimization/40861
* simplify-rtx.c (simplify_subreg): Do not call simplify_gen_subreg to
extract word from a multi-word subreg for negative byte positions.
testsuite/ChangeLog:
PR rtl-optimization/40861
* gcc.dg/pr40861.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr40861.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/simplify-rtx.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40861