OpenACC atomic directive

	gcc/c-family/
	* c-pragma.c (oacc_pragmas): Add "atomic".
	* c-pragma.h (pragma_kind): Add PRAGMA_OACC_ATOMIC.
	gcc/c/
	* c-parser.c (c_parser_omp_construct): Handle PRAGMA_OACC_ATOMIC.
	gcc/cp/
	* parser.c (cp_parser_omp_construct, cp_parser_pragma): Handle
	PRAGMA_OACC_ATOMIC.
	gcc/fortran/
	* gfortran.h (gfc_statement): Add ST_OACC_ATOMIC,
	ST_OACC_END_ATOMIC.
	(gfc_exec_op): Add EXEC_OACC_ATOMIC.
	* match.h (gfc_match_oacc_atomic): New prototype.
	* openmp.c (gfc_match_omp_atomic, gfc_match_oacc_atomic): New
	wrapper functions around...
	(gfc_match_omp_oacc_atomic): ... this new function.
	(oacc_code_to_statement, gfc_resolve_oacc_directive): Handle
	EXEC_OACC_ATOMIC.
	* parse.c (decode_oacc_directive): Handle "atomic", "end atomic".
	(case_exec_markers): Add ST_OACC_ATOMIC.
	(gfc_ascii_statement): Handle ST_OACC_ATOMIC, ST_OACC_END_ATOMIC.
	(parse_omp_atomic): Rename to...
	(parse_omp_oacc_atomic): ... this new function.  Add omp_p formal
	parameter.  Adjust all users.
	(parse_executable): Handle ST_OACC_ATOMIC.
	(is_oacc): Handle EXEC_OACC_ATOMIC.
	* resolve.c (gfc_resolve_blocks, gfc_resolve_code): Handle
	EXEC_OACC_ATOMIC.
	* st.c (gfc_free_statement): Handle EXEC_OACC_ATOMIC.
	* trans-openmp.c (gfc_trans_oacc_directive): Handle
	EXEC_OACC_ATOMIC.
	* trans.c (trans_code): Handle EXEC_OACC_ATOMIC.
	gcc/
	* builtins.def (DEF_GOMP_BUILTIN): Enable for flag_openacc.
	* omp-low.c (check_omp_nesting_restrictions): Allow
	GIMPLE_OMP_ATOMIC_LOAD, GIMPLE_OMP_ATOMIC_STORE inside OpenACC
	contexts.
	gcc/testsuite/
	* c-c++-common/goacc-gomp/nesting-fail-1.c: Move "atomic" tests
	from here to...
	* c-c++-common/goacc-gomp/nesting-1.c: ... here, and expect them
	to succeed.
	libgomp/
	* testsuite/libgomp.oacc-c-c++-common/atomic_capture-1.c: New
	file.
	* testsuite/libgomp.oacc-c-c++-common/atomic_capture-2.c:
	Likewise.
	* testsuite/libgomp.oacc-c-c++-common/atomic_rw-1.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/atomic_update-1.c: Likewise.
	* testsuite/libgomp.oacc-fortran/atomic_capture-1.f90: Likewise.
	* testsuite/libgomp.oacc-fortran/atomic_rw-1.f90: New file.
	* testsuite/libgomp.oacc-fortran/atomic_update-1.f90: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/par-reduction-1.c: New file.
	* testsuite/libgomp.oacc-c-c++-common/par-reduction-2.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/worker-single-1a.c:
	Likewise.
	* testsuite/libgomp.oacc-c-c++-common/worker-single-4.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/worker-single-6.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229703 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 2 insertions, 1 deletions

diff --git a/gcc/fortran/gfortran.h b/gcc/fortran/gfortran.h
index 13e730f41b7..e13b4d48afa 100644
--- a/gcc/fortran/gfortran.h
+++ b/gcc/fortran/gfortran.h
@@ -209,6 +209,7 @@ enum gfc_statement
   ST_OACC_END_LOOP, ST_OACC_DECLARE, ST_OACC_UPDATE, ST_OACC_WAIT,
   ST_OACC_CACHE, ST_OACC_KERNELS_LOOP, ST_OACC_END_KERNELS_LOOP,
   ST_OACC_ENTER_DATA, ST_OACC_EXIT_DATA, ST_OACC_ROUTINE,
+  ST_OACC_ATOMIC, ST_OACC_END_ATOMIC,
   ST_OMP_ATOMIC, ST_OMP_BARRIER, ST_OMP_CRITICAL, ST_OMP_END_ATOMIC,
   ST_OMP_END_CRITICAL, ST_OMP_END_DO, ST_OMP_END_MASTER, ST_OMP_END_ORDERED,
   ST_OMP_END_PARALLEL, ST_OMP_END_PARALLEL_DO, ST_OMP_END_PARALLEL_SECTIONS,
@@ -2322,7 +2323,7 @@ enum gfc_exec_op
   EXEC_OACC_KERNELS_LOOP, EXEC_OACC_PARALLEL_LOOP,
   EXEC_OACC_PARALLEL, EXEC_OACC_KERNELS, EXEC_OACC_DATA, EXEC_OACC_HOST_DATA,
   EXEC_OACC_LOOP, EXEC_OACC_UPDATE, EXEC_OACC_WAIT, EXEC_OACC_CACHE,
-  EXEC_OACC_ENTER_DATA, EXEC_OACC_EXIT_DATA,
+  EXEC_OACC_ENTER_DATA, EXEC_OACC_EXIT_DATA, EXEC_OACC_ATOMIC,
   EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
   EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
   EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,