https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90009
Bug ID: 90009
Summary: [nvptx] ICE when OpenACC region has num_workers>1
Product: gcc
Version: unknown
Status: UNCONFIRMED
Keywords: openacc
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: cltang at gcc dot gnu.org
Target Milestone: ---
Target: nvptx
Created attachment 46098
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46098&action=edit
testcase
./mainline/bin/gcc -w -fopenacc -O2 nvptx-worker2-ice.c
during RTL pass: mach
nvptx-worker2-ice.c: In function ‘foo._omp_fn.0’:
nvptx-worker2-ice.c:6:11: internal compiler error: Segmentation fault
6 | #pragma acc parallel num_workers(2)
| ^
0xe9b265 crash_signal
/scratch/cltang/openacc/trunk/gcc/toplev.c:326
0x132ed7e nvptx_skip_par
/scratch/cltang/openacc/trunk/gcc/config/nvptx/nvptx.c:4585
0x132f53a nvptx_neuter_pars
/scratch/cltang/openacc/trunk/gcc/config/nvptx/nvptx.c:4791
0x132f325 nvptx_neuter_pars
/scratch/cltang/openacc/trunk/gcc/config/nvptx/nvptx.c:4733
0x132fd9a nvptx_reorg
/scratch/cltang/openacc/trunk/gcc/config/nvptx/nvptx.c:5025
0xe38c94 execute
/scratch/cltang/openacc/trunk/gcc/reorg.c:3992
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.
mkoffload: fatal error: ./mainline/bin/x86_64-pc-linux-gnu-accel-nvptx-none-gcc
returned 1 exit status
compilation terminated.
