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[Bug rtl-optimization/42388] [4.5 Regression] ICE in move_bb_info with sel-sched and modulo-sched for 176.gcc
- From: "abel at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 24 Aug 2010 09:01:38 -0000
- Subject: [Bug rtl-optimization/42388] [4.5 Regression] ICE in move_bb_info with sel-sched and modulo-sched for 176.gcc
- References: <bug-42388-4503@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from abel at gcc dot gnu dot org 2010-08-24 09:01 -------
Subject: Bug 42388
Author: abel
Date: Tue Aug 24 09:01:18 2010
New Revision: 163507
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=163507
Log:
Backport from mainline:
PR rtl-optimization/42388
* sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
that have no predecessors nor successors. Do not call move_bb_info
for empty blocks outside of current region.
Modified:
branches/gcc-4_4-branch/gcc/ChangeLog
branches/gcc-4_4-branch/gcc/sel-sched-ir.c
branches/gcc-4_4-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42388