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[Bug rtl-optimization/52715] New: [4.8 Regression] ICE: in reset_sched_cycles_in_current_ebb, at sel-sched.c:7140 with -fselective-scheduling2 -funroll-loops --param=max-average-unrolled-insns=406
- From: "zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 25 Mar 2012 21:09:01 +0000
- Subject: [Bug rtl-optimization/52715] New: [4.8 Regression] ICE: in reset_sched_cycles_in_current_ebb, at sel-sched.c:7140 with -fselective-scheduling2 -funroll-loops --param=max-average-unrolled-insns=406
- Auto-submitted: auto-generated
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52715
Bug #: 52715
Summary: [4.8 Regression] ICE: in
reset_sched_cycles_in_current_ebb, at sel-sched.c:7140
with -fselective-scheduling2 -funroll-loops
--param=max-average-unrolled-insns=406
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 26986
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26986
reduced testcase
Compiler output:
$ gcc -O2 -fno-omit-frame-pointer -fprefetch-loop-arrays -fno-rename-registers
-fsel-sched-pipelining -fselective-scheduling2 -funroll-loops
--param=max-average-unrolled-insns=406 testcase.c
testcase.c: In function 'CRYPTO_cbc128_decrypt':
testcase.c:19:1: internal compiler error: in reset_sched_cycles_in_current_ebb,
at sel-sched.c:7140
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Tested revisions:
r185773 - crash
4.7 r185191 - OK