https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114195
Bug ID: 114195
Summary: [14] RISC-V vector ICE: in vectorizable_store, at
tree-vect-stmts.cc:8690
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: patrick at rivosinc dot com
Target Milestone: ---
Created attachment 57588
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57588&action=edit
-freport-bug output
Testcase:
long a, b;
extern short c[];
void d() {
for (int e = 0; e < 5; e += 2) {
a = ({ a < 0 ? a : 0; });
b = ({ b < 0 ? b : 0; });
c[e] = 0;
}
}
Backtrace:
> /scratch/tc-testing/tc-feb-20/build-rv64gcv/bin/riscv64-unknown-linux-gnu-gcc
> -march=rv64gcv -O3 red.c
during GIMPLE pass: vect
red.c: In function 'd':
red.c:3:6: internal compiler error: in vectorizable_store, at
tree-vect-stmts.cc:8690
3 | void d() {
| ^
0xbe592a vectorizable_store
../../../gcc/gcc/tree-vect-stmts.cc:8690
0x274ff35 vect_analyze_stmt(vec_info*, _stmt_vec_info*, bool*, _slp_tree*,
_slp_instance*, vec<stmt_info_for_cost, va_heap, vl_ptr>*)
../../../gcc/gcc/tree-vect-stmts.cc:13241
0x15de0e2 vect_analyze_loop_operations
../../../gcc/gcc/tree-vect-loop.cc:2208
0x15de0e2 vect_analyze_loop_2
../../../gcc/gcc/tree-vect-loop.cc:3041
0x15dfdf0 vect_analyze_loop_1
../../../gcc/gcc/tree-vect-loop.cc:3481
0x15e0589 vect_analyze_loop(loop*, vec_info_shared*)
../../../gcc/gcc/tree-vect-loop.cc:3639
0x1627ed4 try_vectorize_loop_1
../../../gcc/gcc/tree-vectorizer.cc:1066
0x1627ed4 try_vectorize_loop
../../../gcc/gcc/tree-vectorizer.cc:1182
0x16287fc execute
../../../gcc/gcc/tree-vectorizer.cc:1298
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.
Godbolt: https://godbolt.org/z/s9YbYhK8e
Tested/found using r14-9084-g61ab046a327 (not bisected)
Found via fuzzer.
