[Bug rtl-optimization/60866] [4.7/4.8/4.9/4.10 Regression] ICE: in get_seqno_for_a_jump, at sel-sched-ir.c:4068 with -fselective-scheduling -fno-if-conversion
abel at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed May 14 12:09:00 GMT 2014
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60866
--- Comment #4 from Andrey Belevantsev <abel at gcc dot gnu.org> ---
Author: abel
Date: Wed May 14 12:09:02 2014
New Revision: 210420
URL: http://gcc.gnu.org/viewcvs?rev=210420&root=gcc&view=rev
Log:
PR rtl-optimization/60866
* sel-sched-ir (sel_init_new_insn): New parameter old_seqno.
Default it to -1. Pass it down to init_simplejump_data.
(init_simplejump_data): New parameter old_seqno. Pass it down
to get_seqno_for_a_jump.
(get_seqno_for_a_jump): New parameter old_seqno. Use it for
initializing new jump seqno as a last resort. Add comment.
(sel_redirect_edge_and_branch): Save old seqno of the conditional
jump and pass it down to sel_init_new_insn.
(sel_redirect_edge_and_branch_force): Likewise.
* gcc.dg/pr60866.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr60866.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/sel-sched-ir.c
trunk/gcc/testsuite/ChangeLog
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