https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107454
Bug ID: 107454
Summary: ICE: Segmentation fault (in single_set)
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Keywords: error-recovery, ice-on-invalid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: aarch64-linux-gnu
gcc 13.0.0 20221023 snapshot (g:0e37fd4dc74c1db99cdc7d71ef378e1221253c6f) ICEs
when compiling gcc/testsuite/gcc.target/aarch64/sve/pcs/nosve_5.c w/
-fstack-protector-all -fno-tree-ter:
% aarch64-linux-gnu-gcc-13 -fstack-protector-all -fno-tree-ter -c
gcc/testsuite/gcc.target/aarch64/sve/pcs/nosve_5.c
gcc/testsuite/gcc.target/aarch64/sve/pcs/nosve_5.c: In function 'f':
gcc/testsuite/gcc.target/aarch64/sve/pcs/nosve_5.c:14:3: error: this operation
requires the SVE ISA extension
14 | take_svuint8_eventually (0, 0, 0, 0, 0, 0, 0, 0, *ptr); /* { dg-error
{this operation requires the SVE ISA extension} } */
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gcc/testsuite/gcc.target/aarch64/sve/pcs/nosve_5.c:14:3: note: you can enable
SVE using the command-line option '-march', or by using the 'target' attribute
or pragma
during RTL pass: expand
gcc/testsuite/gcc.target/aarch64/sve/pcs/nosve_5.c:14:3: internal compiler
error: Segmentation fault
0xf32fbf crash_signal
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/toplev.cc:314
0xb60a40 single_set(rtx_insn const*)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/rtl.h:3594
0xb60a40 emit_move_insn(rtx_def*, rtx_def*)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/expr.cc:4345
0xb36853 force_reg(machine_mode, rtx_def*)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/explow.cc:678
0x17f97b1 gen_adddi3(rtx_def*, rtx_def*, rtx_def*)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/config/aarch64/aarch64.md:2069
0xe06252 expand_binop_directly
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/optabs.cc:1440
0xe03cd1 expand_binop(machine_mode, optab_tag, rtx_def*, rtx_def*, rtx_def*,
int, optab_methods)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/optabs.cc:1527
0xb66438 force_operand(rtx_def*, rtx_def*)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/expr.cc:8222
0xb36e5a copy_to_mode_reg(machine_mode, rtx_def*)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/explow.cc:650
0xb62f9c emit_block_op_via_libcall(built_in_function, rtx_def*, rtx_def*,
rtx_def*, bool)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/expr.cc:2334
0xb66adc emit_block_copy_via_libcall
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/expr.h:90
0xb66adc emit_block_move_hints(rtx_def*, rtx_def*, rtx_def*, block_op_methods,
unsigned int, long, unsigned long, unsigned long, unsigned long, bool, bool*,
bool)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/expr.cc:2073
0xb670b1 emit_block_move(rtx_def*, rtx_def*, rtx_def*, block_op_methods)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/expr.cc:2095
0xb699bb store_expr(tree_node*, rtx_def*, int, bool, bool)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/expr.cc:6507
0xb6ba60 expand_assignment(tree_node*, tree_node*, bool)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/expr.cc:6051
0xa2e37c expand_gimple_stmt_1
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/cfgexpand.cc:3946
0xa2e37c expand_gimple_stmt
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/cfgexpand.cc:4044
0xa3517e expand_gimple_basic_block
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/cfgexpand.cc:6096
0xa36bb7 execute
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221023/work/gcc-13-20221023/gcc/cfgexpand.cc:6822
W/ any of the given options omitted, gcc correctly rejects this code. It is
different from PR99657 in that gcc still emits the correct diagnostics before
an ICE.
