https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111478
Bug ID: 111478
Summary: [12/13/14 regression] aarch64 SVE ICE: in
compute_live_loop_exits, at tree-ssa-loop-manip.cc:250
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: nsz at gcc dot gnu.org
Target Milestone: ---
$ cat bug.c
float a, d, e, f, g;
int b, c;
void h() {
for (; b; b++) {
for (; c;) {
float i = d = i;
}
a += f - e * g;
a += g + e * f;
}
}
$ gcc -c -O3 -march=armv8-a+sve bug.c
during GIMPLE pass: vect
<source>: In function 'h':
<source>:3:6: internal compiler error: in compute_live_loop_exits, at
tree-ssa-loop-manip.cc:250
3 | void h() {
| ^
0x1168eb4 compute_live_loop_exits
/data/jenkins/workspace/GNU-toolchain/fsf-trunk/src/gcc/gcc/tree-ssa-loop-manip.cc:250
0x1168eb4 add_exit_phis_var
/data/jenkins/workspace/GNU-toolchain/fsf-trunk/src/gcc/gcc/tree-ssa-loop-manip.cc:332
0x1168eb4 add_exit_phis
/data/jenkins/workspace/GNU-toolchain/fsf-trunk/src/gcc/gcc/tree-ssa-loop-manip.cc:393
0x1168eb4 rewrite_into_loop_closed_ssa_1
/data/jenkins/workspace/GNU-toolchain/fsf-trunk/src/gcc/gcc/tree-ssa-loop-manip.cc:606
0x1168eb4 rewrite_into_loop_closed_ssa(bitmap_head*, unsigned int)
/data/jenkins/workspace/GNU-toolchain/fsf-trunk/src/gcc/gcc/tree-ssa-loop-manip.cc:628
0x130a1e8 execute
/data/jenkins/workspace/GNU-toolchain/fsf-trunk/src/gcc/gcc/tree-vectorizer.cc:1358
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.
Compiler returned: 1
