https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104612
Bug ID: 104612
Summary: [12 Regression] ICE in mark_jump_label_1 since
r12-3435
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: jakub at gcc dot gnu.org
Target Milestone: ---
The following testcase ICEs in mark_jump_label_1 with -O2 -m32 -msse2
-mfpmath=sse since r12-3435-g60efb1fee9b8985829abf4ed9958691783c2604e :
struct V { float x, y; };
struct V
foo (struct V v)
{
struct V ret;
ret.x = __builtin_copysignf (1.0e+0, v.x);
ret.y = __builtin_copysignf (1.0e+0, v.y);
return ret;
}
during RTL pass: expand
glsign.C: In function ‘V foo(V)’:
glsign.C:10:1: internal compiler error: Segmentation fault
10 | }
| ^
0x16b9ffe crash_signal
../../gcc/toplev.c:328
0x141c59b mark_jump_label_1
../../gcc/jump.c:1048
0x141c9ea mark_jump_label_1
../../gcc/jump.c:1171
0x141c9ea mark_jump_label_1
../../gcc/jump.c:1171
0x141c578 mark_jump_label(rtx_def*, rtx_insn*, int)
../../gcc/jump.c:1035
0x141b4e8 mark_all_labels
../../gcc/jump.c:332
0x141ad0b rebuild_jump_labels_1
../../gcc/jump.c:74
0x141ad7e rebuild_jump_labels(rtx_insn*)
../../gcc/jump.c:98
0xfe7673 execute
../../gcc/cfgexpand.c:6858
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