https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110528
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Timeout with with specific |selective scheduling seems
|optimizations |to go into an infinite loop
Target| |x86_64-linux-gnu
Known to fail| |14.0
Component|middle-end |rtl-optimization
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
#0 0x0000000000f67ac0 in vinsn_equal_p(vinsn_def*, vinsn_def*) () at
/home/apinski/src/upstream-gcc/gcc/gcc/sel-sched-ir.cc:1603
#1 0x0000000000f68679 in av_set_lookup (set=<error reading variable:
dwarf2_find_location_expression: Corrupted DWARF expression.>,
sought_vinsn=0x5003ee0) at
/home/apinski/src/upstream-gcc/gcc/gcc/sel-sched-ir.cc:2120
#2 0x0000000000f78747 in compute_av_set_inside_bb(rtx_insn*, _list_node*, int,
bool) () at /home/apinski/src/upstream-gcc/gcc/gcc/vec.h:1504
#3 0x0000000000f7dc9d in compute_av_set (unique_p=<error reading variable:
dwarf2_find_location_expression: Corrupted DWARF expression.>, ws=<error
reading variable: dwarf2_find_location_expression: Corrupted DWARF
expression.>,
p=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF
expression.>, insn=<error reading variable: dwarf2_find_location_expression:
Corrupted DWARF expression.>) at
/home/apinski/src/upstream-gcc/gcc/gcc/sel-sched.cc:5058
#4 compute_av_set_on_boundaries (av_vliw_p=0x7fffffffc008,
av_vliw_p@entry=<error reading variable: dwarf2_find_location_expression:
Corrupted DWARF expression.>, bnds=<optimized out>, fence=<optimized out>) at
/home/apinski/src/upstream-gcc/gcc/gcc/sel-sched.cc:5058
#5 fill_insns (scheduled_insns_tailpp=<synthetic pointer>, seqno=-1,
fence=<optimized out>) at
/home/apinski/src/upstream-gcc/gcc/gcc/sel-sched.cc:5523
#6 schedule_on_fences (scheduled_insns_tailpp=<synthetic pointer>,
max_seqno=1, fences=<optimized out>) at
/home/apinski/src/upstream-gcc/gcc/gcc/sel-sched.cc:7353
#7 sel_sched_region_2(int) () at
/home/apinski/src/upstream-gcc/gcc/gcc/sel-sched.cc:7491
#8 0x0000000000f7ff97 in sel_sched_region_1() () at
/home/apinski/src/upstream-gcc/gcc/gcc/sel-sched.cc:7533
#9 0x0000000000f8157c in sel_sched_region (rgn=20) at
/home/apinski/src/upstream-gcc/gcc/gcc/sel-sched.cc:7634
#10 sel_sched_region(int) () at
/home/apinski/src/upstream-gcc/gcc/gcc/sel-sched.cc:7619
#11 0x0000000000f8174a in run_selective_scheduling () at
/home/apinski/src/upstream-gcc/gcc/gcc/sel-sched.cc:7720
#12 0x0000000000f634ed in rest_of_handle_sched () at
/home/apinski/src/upstream-gcc/gcc/gcc/sched-rgn.cc:3729
