https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99554
Bug ID: 99554
Summary: SVE: ICE (segfault) in recog.c:extract_asm_operands
during expand
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: acoplan at gcc dot gnu.org
Target Milestone: ---
The following fails:
$ cat test.cc
int a[21][256];
void b() {
for (long c; c; ++c)
for (long d = 0; d < 16; ++d)
for (long e = 0; e < 16; ++e)
a[c][d * 16 + e] = 8;
}
$ aarch64-linux-gnu-gcc -c test.cc -O3 -march=armv8.2-a+sve
-fvect-cost-model=unlimited -ftrapv
during RTL pass: expand
test.cc: In function ‘void b()’:
test.cc:7:1: internal compiler error: Segmentation fault
7 | }
| ^
0x10acb6d crash_signal
/home/alecop01/toolchain/src/gcc/gcc/toplev.c:327
0xff83c2 extract_asm_operands(rtx_def*)
/home/alecop01/toolchain/src/gcc/gcc/recog.c:1901
0xeb3c00 mark_jump_label(rtx_def*, rtx_insn*, int)
/home/alecop01/toolchain/src/gcc/gcc/jump.c:1080
0xeb4431 mark_all_labels
/home/alecop01/toolchain/src/gcc/gcc/jump.c:332
0xeb4431 rebuild_jump_labels_1
/home/alecop01/toolchain/src/gcc/gcc/jump.c:74
0xeb44ed rebuild_jump_labels(rtx_insn*)
/home/alecop01/toolchain/src/gcc/gcc/jump.c:98
0xb6c8b1 execute
/home/alecop01/toolchain/src/gcc/gcc/cfgexpand.c:6779
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
