https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104531
Bug ID: 104531
Summary: ICE in prepare_cmp_insn, at optabs.cc:4547
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Started between 20210905 and 20210919 :
$ cat z1.c
void f (_Complex int y, int x)
{
#pragma omp atomic compare update seq_cst
x = x > y ? y : x;
}
$ gcc-12-20220213 -c z1.c -fopenmp
during RTL pass: expand
z1.c: In function 'f':
z1.c:3:11: internal compiler error: in prepare_cmp_insn, at optabs.cc:4547
3 | #pragma omp atomic compare update seq_cst
| ^~~
0xafd677 prepare_cmp_insn
../../gcc/optabs.cc:4547
0xafd711 emit_cmp_and_jump_insns(rtx_def*, rtx_def*, rtx_code, rtx_def*,
machine_mode, int, rtx_def*, profile_probability)
../../gcc/optabs.cc:4692
0x839688 do_compare_rtx_and_jump(rtx_def*, rtx_def*, rtx_code, int,
machine_mode, rtx_def*, rtx_code_label*, rtx_code_label*, profile_probability)
../../gcc/dojump.cc:1220
0x8df4a5 expand_expr_real_2(separate_ops*, rtx_def*, machine_mode,
expand_modifier)
../../gcc/expr.cc:9745
0x7c4ea2 expand_gimple_stmt_1
../../gcc/cfgexpand.cc:3967
0x7c4ea2 expand_gimple_stmt
../../gcc/cfgexpand.cc:4028
0x7c9bd7 expand_gimple_basic_block
../../gcc/cfgexpand.cc:6069
0x7cc67e execute
../../gcc/cfgexpand.cc:6795
