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[Bug rtl-optimization/42475] ICE at -O1 and above: internal compiler error: in simplify_subreg, at simplify-rtx.c:4954
- From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 23 Dec 2009 17:07:21 -0000
- Subject: [Bug rtl-optimization/42475] ICE at -O1 and above: internal compiler error: in simplify_subreg, at simplify-rtx.c:4954
- References: <bug-42475-18593@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from jakub at gcc dot gnu dot org 2009-12-23 17:07 -------
Subject: Bug 42475
Author: jakub
Date: Wed Dec 23 17:07:04 2009
New Revision: 155431
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155431
Log:
PR rtl-optimization/42475
* combine.c (make_compound_operation) <case SUBREG>: Use mode of
SUBREG_REG (x) instead of tem's mode.
* gcc.dg/pr42475.c: New test.
Added:
branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/pr42475.c
Modified:
branches/gcc-4_4-branch/gcc/ChangeLog
branches/gcc-4_4-branch/gcc/combine.c
branches/gcc-4_4-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42475