https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113094
Bug ID: 113094
Summary: [14 Regression][aarch64] ICE in
extract_constrain_insn, at recog.cc:2713 since
r14-6290-g9f0f7d802482a8
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: mjires at suse dot cz
Target Milestone: ---
Target: aarch64
Compiling reduced testcase c-c++-common/torture/vector-subscript-2.c results in
ICE since r14-6290-g9f0f7d802482a8.
$ cat vector-subscript-2.c
struct TV4 {
__attribute__((vector_size(sizeof(int) * 4))) int v;
};
void modify() {
struct TV4 __trans_tmp_1, temp;
temp.v[0] = temp.v[3] = 0;
__trans_tmp_1 = temp;
}
$ aarch64-linux-gnu-gcc vector-subscript-2.c -fno-tree-dse -Ofast
-fno-tree-coalesce-vars -fno-dce -fno-tree-dce
vector-subscript-2.c: In function ‘modify’:
vector-subscript-2.c:8:1: error: insn does not satisfy its constraints:
8 | }
| ^
(insn 18 2 13 2 (set (reg:V4SI 63 v31)
(reg:V4SI 94 virtual-incoming-args)) "vector-subscript-2.c":6:25 1270
{*aarch64_simd_movv4si}
(nil))
during RTL pass: reload
vector-subscript-2.c:8:1: internal compiler error: in extract_constrain_insn,
at recog.cc:2713
0x16e5964 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/mjires/git/GCC/master/gcc/rtl-error.cc:108
0x16e59c4 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/mjires/git/GCC/master/gcc/rtl-error.cc:118
0x1696240 extract_constrain_insn(rtx_insn*)
/home/mjires/git/GCC/master/gcc/recog.cc:2713
0x14d253b check_rtl
/home/mjires/git/GCC/master/gcc/lra.cc:2189
0x14d3019 lra(_IO_FILE*, int)
/home/mjires/git/GCC/master/gcc/lra.cc:2610
0x147b0f5 do_reload
/home/mjires/git/GCC/master/gcc/ira.cc:5973
0x147b592 execute
/home/mjires/git/GCC/master/gcc/ira.cc:6161
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
$ aarch64-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=aarch64-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/home/mjires/built/master/libexec/gcc/aarch64-linux-gnu/14.0.0/lto-wrapper
Target: aarch64-linux-gnu
Configured with: /home/mjires/git/GCC/master/configure
--prefix=/home/mjires/built/master --target=aarch64-linux-gnu
--disable-bootstrap --enable-languages=c,c++,fortran --disable-multilib
--disable-libsanitizer --enable-checking : (reconfigured)
/home/mjires/git/GCC/master/configure --prefix=/home/mjires/built/master
--target=aarch64-linux-gnu --disable-bootstrap --enable-languages=c,c++,fortran
--disable-multilib --disable-libsanitizer --enable-checking
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.0 20231220 (experimental) (GCC)
