[Bug target/100777] New: MMA builtin usage ICEs when used in a #pragma omp parallel and using -fopenmp
bergner at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed May 26 18:26:16 GMT 2021
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100777
Bug ID: 100777
Summary: MMA builtin usage ICEs when used in a #pragma omp
parallel and using -fopenmp
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: bergner at gcc dot gnu.org
Target Milestone: ---
bergner@pike:~/$ cat bug.i
void
foo (__vector_quad *dst)
{
#pragma omp parallel
{
__builtin_mma_xxsetaccz (dst);
}
}
bergner@pike:~/$ gcc -S -O1 -mcpu=power10 -fopenmp bug.i
during GIMPLE pass: ssa
bug.i: In function ‘foo’:
bug.i:8:1: internal compiler error: Segmentation fault
8 | }
| ^
0x10b89f63 crash_signal
/home/bergner/gcc/gcc-fsf-mainline-base/gcc/toplev.c:327
0x10ea5a00 verify_ssa(bool, bool)
/home/bergner/gcc/gcc-fsf-mainline-base/gcc/tree-ssa.c:1070
...
This fails on trunk back to GCC10 (ie, first MMA support).
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