https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96865
Bug ID: 96865
Summary: ICE in hash_rtx_cb, at cse.c:2548
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: powerpc-*-linux-gnu
gcc-11.0.0-alpha20200830 snapshot (g:6ccadc4c0486ff011a32c74de1a31148acb3cbe2)
ICEs when compiling the following testcase, reduced from
gcc/testsuite/gcc.target/sparc/tls-ld-uint16.c, w/ -m32 -O2 -fPIC
-fselective-scheduling:
__thread int ky __attribute__ ((tls_model ("local-dynamic")));
void
y9 (int cw)
{
ky = cw;
}
% powerpc-e300c3-linux-gnu-gcc-11.0.0 -m32 -O2 -fPIC -fselective-scheduling -c
ggkraci7.c
during RTL pass: sched1
ggkraci7.c: In function 'y9':
ggkraci7.c:7:1: internal compiler error: in hash_rtx_cb, at cse.c:2548
7 | }
| ^
0x75e4f1 hash_rtx_cb(rtx_def const*, machine_mode, int*, int*, bool, int
(*)(rtx_def const*, machine_mode, rtx_def**, machine_mode*))
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/cse.c:2548
0x159e1fc hash_rtx_cb(rtx_def const*, machine_mode, int*, int*, bool, int
(*)(rtx_def const*, machine_mode, rtx_def**, machine_mode*))
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/cse.c:2526
0xd3eff8 vinsn_init
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/sel-sched-ir.c:1199
0xd4243f vinsn_create
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/sel-sched-ir.c:1231
0xd4243f init_global_and_expr_for_insn
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/sel-sched-ir.c:3028
0xd352db sched_scan
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/sel-sched-ir.c:2818
0xd3804a sel_init_global_and_expr(vec<basic_block_def*, va_heap, vl_ptr>)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/sel-sched-ir.c:3050
0xd52743 sel_region_init
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/sel-sched.c:6901
0xd52743 sel_sched_region(int)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/sel-sched.c:7624
0xd53c59 run_selective_scheduling()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/sel-sched.c:7720
0xd33904 rest_of_handle_sched
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/sched-rgn.c:3724
0xd33904 execute
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/sched-rgn.c:3834
