https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99216
Bug ID: 99216
Summary: ICE in aarch64_sve::function_expander::expand() with
LTO
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: acoplan at gcc dot gnu.org
Target Milestone: ---
The following fails:
$ cat test.cc
#include <arm_sve.h>
bool a;
int main() { a = svaddv(svptrue_b8(), svdup_s8(0)); }
$ aarch64-linux-gnu-gcc -march=armv8.2-a+sve -flto test.cc
during RTL pass: expand
test.cc: In function ‘main’:
test.cc:3:24: internal compiler error: in operator[], at vec.h:890
3 | int main() { a = svaddv(svptrue_b8(), svdup_s8(0)); }
| ^
0x11a1562 vec<rtx_def*, va_heap, vl_embed>::operator[](unsigned int)
/home/alecop01/toolchain/src/gcc/gcc/vec.h:890
0x11a1562 vec<rtx_def*, va_heap, vl_ptr>::operator[](unsigned int)
/home/alecop01/toolchain/src/gcc/gcc/vec.h:1461
0x11a1562 expand
/home/alecop01/toolchain/src/gcc/gcc/config/aarch64/aarch64-sve-builtins-base.cc:237
0x1196101 aarch64_sve::function_expander::expand()
/home/alecop01/toolchain/src/gcc/gcc/config/aarch64/aarch64-sve-builtins.cc:3318
0x1197242 aarch64_sve::expand_builtin(unsigned int, tree_node*, rtx_def*)
/home/alecop01/toolchain/src/gcc/gcc/config/aarch64/aarch64-sve-builtins.cc:3607
0x10f62eb aarch64_expand_builtin
/home/alecop01/toolchain/src/gcc/gcc/config/aarch64/aarch64.c:13568
0x74b79a expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int)
/home/alecop01/toolchain/src/gcc/gcc/builtins.c:9518
0x8c51cc expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/home/alecop01/toolchain/src/gcc/gcc/expr.c:11276
0x8c6779 expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier,
rtx_def**, bool)
/home/alecop01/toolchain/src/gcc/gcc/expr.c:8513
0x8cfc1c store_expr(tree_node*, rtx_def*, int, bool, bool)
/home/alecop01/toolchain/src/gcc/gcc/expr.c:5886
0x8d1927 expand_assignment(tree_node*, tree_node*, bool)
/home/alecop01/toolchain/src/gcc/gcc/expr.c:5622
0x780d7c expand_call_stmt
/home/alecop01/toolchain/src/gcc/gcc/cfgexpand.c:2838
0x780d7c expand_gimple_stmt_1
/home/alecop01/toolchain/src/gcc/gcc/cfgexpand.c:3844
0x780d7c expand_gimple_stmt
/home/alecop01/toolchain/src/gcc/gcc/cfgexpand.c:4008
0x78a5a7 expand_gimple_basic_block
/home/alecop01/toolchain/src/gcc/gcc/cfgexpand.c:6045
0x78bc61 execute
/home/alecop01/toolchain/src/gcc/gcc/cfgexpand.c:6729
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.
lto-wrapper: fatal error: aarch64-linux-gnu-gcc returned 1 exit status
compilation terminated.
/home/alecop01/toolchain/build-aarch64-linux-gnu/install/bin/../lib/gcc/aarch64-linux-gnu/11.0.0/../../../../aarch64-linux-gnu/bin/ld:
error: lto-wrapper failed
collect2: error: ld returned 1 exit status
