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List: gcc-bugs
Subject: [Bug rtl-optimization/55153] New: [4.8 Regression] ICE: in begin_move_insn, at sched-ebb.c:205 with
From: "zsojka at seznam dot cz" <gcc-bugzilla () gcc ! gnu ! org>
Date: 2012-10-31 20:24:27
Message-ID: bug-55153-4 () http ! gcc ! gnu ! org/bugzilla/
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55153
Bug #: 55153
Summary: [4.8 Regression] ICE: in begin_move_insn, at
sched-ebb.c:205 with -fsched2-use-superblocks and
__builtin_prefetch
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: zsojka@seznam.cz
Created attachment 28583
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28583
reduced testcase
Compiler output:
$ gcc -O -fsched2-use-superblocks -fschedule-insns2 testcase.c
testcase.c: In function 'foo':
testcase.c:7:1: internal compiler error: in begin_move_insn, at sched-ebb.c:205
}
^
0x110a092 begin_move_insn
/mnt/svn/gcc-trunk/gcc/sched-ebb.c:205
0x10cc59c commit_schedule
/mnt/svn/gcc-trunk/gcc/haifa-sched.c:5647
0x10cc59c schedule_block(basic_block_def**, void*)
/mnt/svn/gcc-trunk/gcc/haifa-sched.c:6429
0x110a4f3 schedule_ebb(rtx_def*, rtx_def*, bool)
/mnt/svn/gcc-trunk/gcc/sched-ebb.c:547
0x110b1f4 schedule_ebbs()
/mnt/svn/gcc-trunk/gcc/sched-ebb.c:666
0x9b414c rest_of_handle_sched2
/mnt/svn/gcc-trunk/gcc/sched-rgn.c:3565
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
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