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[Bug rtl-optimization/50340] [4.7 Regression] Fails to build SPEC 2000 176.gcc
- From: "amonakov at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 19 Oct 2011 12:46:48 +0000
- Subject: [Bug rtl-optimization/50340] [4.7 Regression] Fails to build SPEC 2000 176.gcc
- Auto-submitted: auto-generated
- References: <bug-50340-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50340
--- Comment #3 from Alexander Monakov <amonakov at gcc dot gnu.org> 2011-10-19 12:46:48 UTC ---
Author: amonakov
Date: Wed Oct 19 12:46:44 2011
New Revision: 180186
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180186
Log:
2011-10-19 Andrey Belevantsev <abel@ispras.ru>
PR rtl-optimization/50340
* sel-sched-ir.c (update_target_availability): LHS register
availability is not known if the unavailable LHS of the other
expression is a different register.
* gcc.dg/pr50340.c: New.
Added:
trunk/gcc/testsuite/gcc.dg/pr50340.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/sel-sched-ir.c
trunk/gcc/testsuite/ChangeLog