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authorChung-Lin Tang <cltang@codesourcery.com>2021-08-05 23:29:03 +0800
committerChung-Lin Tang <cltang@codesourcery.com>2021-08-05 23:29:03 +0800
commit0bac793ed6bad2c0c13cd1e93a1aa5808467afc8 (patch)
tree4f956146f4b129e344b00fa47e0326b831ef9928 /libgomp/fortran.c
parent8dec72aeb54e98643c0fb3d53768cdb96cf1342a (diff)
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openmp: Implement omp_get_device_num routine
This patch implements the omp_get_device_num library routine, specified in OpenMP 5.0. GOMP_DEVICE_NUM_VAR is a macro symbol which defines name of a "device number" variable, is defined on the device-side libgomp, has it's address returned to host-side libgomp during device initialization, and the host libgomp then sets its value to the designated device number. libgomp/ChangeLog: * icv-device.c (omp_get_device_num): New API function, host side. * fortran.c (omp_get_device_num_): New interface function. * libgomp-plugin.h (GOMP_DEVICE_NUM_VAR): Define macro symbol. * libgomp.map (OMP_5.0.2): New version space with omp_get_device_num, omp_get_device_num_. * libgomp.texi (omp_get_device_num): Add documentation for new API function. * omp.h.in (omp_get_device_num): Add declaration. * omp_lib.f90.in (omp_get_device_num): Likewise. * omp_lib.h.in (omp_get_device_num): Likewise. * target.c (gomp_load_image_to_device): If additional entry for device number exists at end of returned entries from 'load_image_func' hook, copy the assigned device number over to the device variable. * config/gcn/icv-device.c (GOMP_DEVICE_NUM_VAR): Define static global. (omp_get_device_num): New API function, device side. * plugin/plugin-gcn.c ("symcat.h"): Add include. (GOMP_OFFLOAD_load_image): Add addresses of device GOMP_DEVICE_NUM_VAR at end of returned 'target_table' entries. * config/nvptx/icv-device.c (GOMP_DEVICE_NUM_VAR): Define static global. (omp_get_device_num): New API function, device side. * plugin/plugin-nvptx.c ("symcat.h"): Add include. (GOMP_OFFLOAD_load_image): Add addresses of device GOMP_DEVICE_NUM_VAR at end of returned 'target_table' entries. * testsuite/lib/libgomp.exp (check_effective_target_offload_target_intelmic): New function for testing for intelmic offloading. * testsuite/libgomp.c-c++-common/target-45.c: New test. * testsuite/libgomp.fortran/target10.f90: New test.
Diffstat (limited to 'libgomp/fortran.c')
-rw-r--r--libgomp/fortran.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/libgomp/fortran.c b/libgomp/fortran.c
index e042702..07f9765 100644
--- a/libgomp/fortran.c
+++ b/libgomp/fortran.c
@@ -83,6 +83,7 @@ ialias_redirect (omp_get_partition_place_nums)
ialias_redirect (omp_set_default_device)
ialias_redirect (omp_get_default_device)
ialias_redirect (omp_get_num_devices)
+ialias_redirect (omp_get_device_num)
ialias_redirect (omp_get_num_teams)
ialias_redirect (omp_get_team_num)
ialias_redirect (omp_is_initial_device)
@@ -600,6 +601,12 @@ omp_get_initial_device_ (void)
}
int32_t
+omp_get_device_num_ (void)
+{
+ return omp_get_device_num ();
+}
+
+int32_t
omp_get_max_task_priority_ (void)
{
return omp_get_max_task_priority ();