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[Bug rtl-optimization/41646] [4.3/4.4/4.5 Regression] Reload ICE due to combiner extending life time of a hard register
- 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: 12 Oct 2009 13:38:42 -0000
- Subject: [Bug rtl-optimization/41646] [4.3/4.4/4.5 Regression] Reload ICE due to combiner extending life time of a hard register
- References: <bug-41646-87@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 2009-10-12 13:38 -------
Subject: Bug 41646
Author: jakub
Date: Mon Oct 12 13:38:29 2009
New Revision: 152666
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=152666
Log:
PR rtl-optimization/41646
* calls.c (expand_call): For BLKmode types returned in registers
avoid likely spilled hard regs in copy_blkmode_from_reg generated
insns.
* gcc.c-torture/compile/pr41646.c: New test.
Added:
branches/gcc-4_4-branch/gcc/testsuite/gcc.c-torture/compile/pr41646.c
Modified:
branches/gcc-4_4-branch/gcc/ChangeLog
branches/gcc-4_4-branch/gcc/calls.c
branches/gcc-4_4-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41646