https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66715
Bug ID: 66715
Summary: libgomp.oacc-c/../libgomp.oacc-c-c++-common/data-{2,3}
.c exec fails -Ofast
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libgomp
Assignee: unassigned at gcc dot gnu.org
Reporter: vries at gcc dot gnu.org
CC: jakub at gcc dot gnu.org
Target Milestone: ---
With gomp-4_0-branch, when running target-libgomp testsuite with
--target_board=unix/-Ofast, we have:
c.exp:
...
FAIL: libgomp.oacc-c/../libgomp.oacc-c-c++-common/data-2.c
-DACC_DEVICE_TYPE_host_nonshm=1 -DACC_MEM_SHARED=0 execution test
FAIL: libgomp.oacc-c/../libgomp.oacc-c-c++-common/data-3.c
-DACC_DEVICE_TYPE_host_nonshm=1 -DACC_MEM_SHARED=0 execution test
FAIL: libgomp.oacc-c/../libgomp.oacc-c-c++-common/data-2.c
-DACC_DEVICE_TYPE_host=1 -DACC_MEM_SHARED=1 execution test
FAIL: libgomp.oacc-c/../libgomp.oacc-c-c++-common/data-3.c
-DACC_DEVICE_TYPE_host=1 -DACC_MEM_SHARED=1 execution test
...
c++.exp:
...
FAIL: libgomp.oacc-c++/../libgomp.oacc-c-c++-common/data-2.c
-DACC_DEVICE_TYPE_host_nonshm=1 -DACC_MEM_SHARED=0 execution test
FAIL: libgomp.oacc-c++/../libgomp.oacc-c-c++-common/data-3.c
-DACC_DEVICE_TYPE_host_nonshm=1 -DACC_MEM_SHARED=0 execution test
FAIL: libgomp.oacc-c++/../libgomp.oacc-c-c++-common/data-2.c
-DACC_DEVICE_TYPE_host=1 -DACC_MEM_SHARED=1 execution test
FAIL: libgomp.oacc-c++/../libgomp.oacc-c-c++-common/data-3.c
-DACC_DEVICE_TYPE_host=1 -DACC_MEM_SHARED=1 execution test
...
failure mode:
...
(gdb) up
#2 0x000000000040347f in main (argc=<optimized out>, argv=<optimized out>)
at
src/libgomp/testsuite/libgomp.oacc-c/../libgomp.oacc-c-c++-common/data-2.c:40
40 abort ();
(gdb) l
35 #pragma acc wait
36
37 for (i = 0; i < N; i++)
38 {
39 if (a[i] != 3.0)
40 abort ();
41
42 if (b[i] != 3.0)
43 abort ();
44 }
...
