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[Bug rtl-optimization/49799] gcc arm generates illegal sbfx instruction
- From: "carrot at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 29 Jul 2011 01:27:54 +0000
- Subject: [Bug rtl-optimization/49799] gcc arm generates illegal sbfx instruction
- Auto-submitted: auto-generated
- References: <bug-49799-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49799
--- Comment #9 from carrot at gcc dot gnu.org 2011-07-29 01:27:32 UTC ---
Author: carrot
Date: Fri Jul 29 01:27:29 2011
New Revision: 176911
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176911
Log:
PR rtl-optimization/49799
* combine.c (make_compound_operation): Check if the bit field is valid
before change it to bit field extraction.
* gcc.dg/pr49799.c: New test case.
Added:
trunk/gcc/testsuite/gcc.dg/pr49799.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/combine.c
trunk/gcc/testsuite/ChangeLog