https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63384
Bug ID: 63384
Summary: ICE in moveup_expr_chached->sel_bb_head->bb_node with
special options
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: andi-gcc at firstfloor dot org
Created attachment 33585
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33585&action=edit
test case (non minimized)
The following combination of options causes an ICE with the attached test case:
g++50 matrix.i -o outfile -O2 -fsel-sched-pipelining-outer-loops
-fsel-sched-reschedule-pipelined -fvar-tracking-assignments-toggle
-ftree-vectorize -fselective-scheduling2
gcc version 4.9.0 20130617 (experimental) (GCC)
apps/matrixmultiply.cpp: In function 'T** make_test_matrix() [with T = float]':
apps/matrixmultiply.cpp:22:1: internal compiler error: Segmentation fault
}
^
0x8cde37 crash_signal
../../gcc/gcc/toplev.c:333
0x6764e1 bb_note(basic_block_def*)
../../gcc/gcc/cfgrtl.c:647
0x89c1a1 sel_bb_head(basic_block_def*)
../../gcc/gcc/sel-sched-ir.c:4536
0x8a6fa5 moveup_expr_cached
../../gcc/gcc/sel-sched.c:2563
0x8ac506 move_op_ascend
../../gcc/gcc/sel-sched.c:6217
0x8aabc7 code_motion_path_driver
../../gcc/gcc/sel-sched.c:6706
0x8aca54 move_op
../../gcc/gcc/sel-sched.c:6758
0x8aca54 move_exprs_to_boundary
../../gcc/gcc/sel-sched.c:5292
0x8aca54 schedule_expr_on_boundary
../../gcc/gcc/sel-sched.c:5504
0x8af552 fill_insns
../../gcc/gcc/sel-sched.c:5646
0x8af552 schedule_on_fences
../../gcc/gcc/sel-sched.c:7410
0x8af552 sel_sched_region_2
../../gcc/gcc/sel-sched.c:7544
0x8b14bf sel_sched_region_1
../../gcc/gcc/sel-sched.c:7583
0x8b14bf sel_sched_region(int)
../../gcc/gcc/sel-sched.c:7684
0x8b1fc1 run_selective_scheduling()
../../gcc/gcc/sel-sched.c:7760
0x895b56 rest_of_handle_sched2
../../gcc/gcc/sched-rgn.c:3606
