https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101017
Bug ID: 101017
Summary: ICE: Segmentation fault,
convert_memory_address_addr_space_1(scalar_int_mode,
rtx_def*, unsigned char, bool, bool)
Product: gcc
Version: tree-ssa
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: cnsun at uwaterloo dot ca
Target Milestone: ---
$ gcc-trunk -v
Using built-in specs.
COLLECT_GCC=gcc-trunk
COLLECT_LTO_WRAPPER=/scratch/software/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /tmp/tmp.MAuXx9TiBr-gcc-builder/gcc/configure
--enable-languages=c,c++,lto --enable-checking-yes --enable-multiarch
--prefix=/scratch/software/gcc-trunk --disable-bootstrap
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 12.0.0 20210610 (experimental) [master revision
:71aa05def:4f625f47b4456e5c05a025fca4d072831e59126c] (GCC)
$ cat mutant.c
typedef v32qi __attribute__((vector_size(32)));
__attribute__((target_clones("arch=core-avx2", "default"))) v32qi
foo_ashift_256() {}
$ gcc-trunk mutant.c
mutant.c:1:9: warning: type defaults to ‘int’ in declaration of ‘v32qi’
[-Wimplicit-int]
1 | typedef v32qi __attribute__((vector_size(32)));
| ^~~~~
mutant.c: In function ‘foo_ashift_256’:
mutant.c:3:1: warning: AVX vector return without AVX enabled changes the ABI
[-Wpsabi]
3 | foo_ashift_256() {}
| ^~~~~~~~~~~~~~
during RTL pass: expand
mutant.c: In function ‘foo_ashift_256.arch_core_avx2.0’:
mutant.c:3:19: internal compiler error: Segmentation fault
3 | foo_ashift_256() {}
| ^
0xf0a1a3 crash_signal
/tmp/tmp.MAuXx9TiBr-gcc-builder/gcc/gcc/toplev.c:327
0xb53029 convert_memory_address_addr_space_1(scalar_int_mode, rtx_def*,
unsigned char, bool, bool)
/tmp/tmp.MAuXx9TiBr-gcc-builder/gcc/gcc/explow.c:309
0xbdf25b expand_function_end()
/tmp/tmp.MAuXx9TiBr-gcc-builder/gcc/gcc/function.c:5517
0xa50992 construct_exit_block
/tmp/tmp.MAuXx9TiBr-gcc-builder/gcc/gcc/cfgexpand.c:6194
0xa50992 execute
/tmp/tmp.MAuXx9TiBr-gcc-builder/gcc/gcc/cfgexpand.c:6812
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.
