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Add OpenACC 2.6's no_create

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The clause makes any device code use the local memory address for each
of the variables specified unless the given variable is already present
on the current device.

2019-12-19  Julian Brown  <julian@codesourcery.com>
            Maciej W. Rozycki  <macro@codesourcery.com>
            Tobias Burnus  <tobias@codesourcery.com>
            Thomas Schwinge  <thomas@codesourcery.com>

        gcc/
        * omp-low.c (lower_omp_target): Support GOMP_MAP_NO_ALLOC.
        * tree-pretty-print.c (dump_omp_clause): Likewise.

        gcc/c-family/
        * c-pragma.h (pragma_omp_clause): Add
        PRAGMA_OACC_CLAUSE_NO_CREATE.

        gcc/c/
        * c-parser.c (c_parser_omp_clause_name): Support no_create.
        (c_parser_oacc_data_clause): Likewise.
        (c_parser_oacc_all_clauses): Likewise.
        (OACC_DATA_CLAUSE_MASK, OACC_KERNELS_CLAUSE_MASK)
        (OACC_PARALLEL_CLAUSE_MASK, OACC_SERIAL_CLAUSE_MASK): Add
        PRAGMA_OACC_CLAUSE_NO_CREATE.
        * c-typeck.c (handle_omp_array_sections): Support
        GOMP_MAP_NO_ALLOC.

        gcc/cp/
        * parser.c (cp_parser_omp_clause_name): Support no_create.
        (cp_parser_oacc_data_clause): Likewise.
        (cp_parser_oacc_all_clauses): Likewise.
        (OACC_DATA_CLAUSE_MASK, OACC_KERNELS_CLAUSE_MASK)
        (OACC_PARALLEL_CLAUSE_MASK): Add PRAGMA_OACC_CLAUSE_NO_CREATE.
        * semantics.c (handle_omp_array_sections): Support no_create.

        gcc/fortran/
        * gfortran.h (gfc_omp_map_op): Add OMP_MAP_NO_ALLOC.
        * openmp.c (omp_mask2): Add OMP_CLAUSE_NO_CREATE.
        (gfc_match_omp_clauses): Support no_create.
        (OACC_PARALLEL_CLAUSES, OACC_KERNELS_CLAUSES)
        (OACC_DATA_CLAUSES): Add OMP_CLAUSE_NO_CREATE.
        * trans-openmp.c (gfc_trans_omp_clauses_1): Support
        OMP_MAP_NO_ALLOC.

        gcc/testsuite/
        * gfortran.dg/goacc/common-block-1.f90: Add no_create-clause tests.
        * gfortran.dg/goacc/common-block-1.f90: Likewise.
        * gfortran.dg/goacc/data-clauses.f95: Likewise.
        * gfortran.dg/goacc/data-tree.f95: Likewise.
        * gfortran.dg/goacc/kernels-tree.f95: Likewise.
        * gfortran.dg/goacc/parallel-tree.f95: Likewise.

        include/
        * gomp-constants.h (gomp_map_kind): Support GOMP_MAP_NO_ALLOC.

        libgomp/
        * target.c (gomp_map_vars_async): Support GOMP_MAP_NO_ALLOC.
        * testsuite/libgomp.oacc-c-c++-common/no_create-1.c: New test.
        * testsuite/libgomp.oacc-c-c++-common/no_create-2.c: New test.
        * testsuite/libgomp.oacc-c-c++-common/no_create-3.c: New test.
        * testsuite/libgomp.oacc-c-c++-common/no_create-4.c: New test.
        * testsuite/libgomp.oacc-c-c++-common/no_create-5.c: New test.
        * testsuite/libgomp.oacc-fortran/no_create-1.f90: New test.
        * testsuite/libgomp.oacc-fortran/no_create-2.f90: New test.
        * testsuite/libgomp.oacc-fortran/no_create-3.F90: New test.

Reviewed-by: Thomas Schwinge <thomas@codesourcery.com>

Co-Authored-By: Maciej W. Rozycki <macro@codesourcery.com>
Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com>
Co-Authored-By: Tobias Burnus <tobias@codesourcery.com>

From-SVN: r279551
This commit is contained in:
Julian Brown
2019-12-18 23:10:08 +00:00
committed by Tobias Burnus
parent 11b8091fb3
commit a6163563f2
34 changed files with 616 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
gcc/ChangeLog
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@@ -1,3 +1,11 @@
2019-12-19 Julian Brown <julian@codesourcery.com>
Maciej W. Rozycki <macro@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
* omp-low.c (lower_omp_target): Support GOMP_MAP_NO_ALLOC.
* tree-pretty-print.c (dump_omp_clause): Likewise.
2019-12-18 Eric Botcazou <ebotcazou@adacore.com>
* ira.c (ira): Use simple LRA algorithm when not optimizing.

8
gcc/c-family/ChangeLog
View File

@@ -1,3 +1,11 @@
2019-12-19 Julian Brown <julian@codesourcery.com>
Maciej W. Rozycki <macro@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
* c-pragma.h (pragma_omp_clause): Add
PRAGMA_OACC_CLAUSE_NO_CREATE.
2019-12-17 Martin Sebor <msebor@redhat.com>
PR c++/61339

1
gcc/c-family/c-pragma.h
View File

@@ -154,6 +154,7 @@ enum pragma_omp_clause {
PRAGMA_OACC_CLAUSE_GANG,
PRAGMA_OACC_CLAUSE_HOST,
PRAGMA_OACC_CLAUSE_INDEPENDENT,
PRAGMA_OACC_CLAUSE_NO_CREATE,
PRAGMA_OACC_CLAUSE_NUM_GANGS,
PRAGMA_OACC_CLAUSE_NUM_WORKERS,
PRAGMA_OACC_CLAUSE_PRESENT,

14
gcc/c/ChangeLog
View File

@@ -1,3 +1,17 @@
2019-12-19 Julian Brown <julian@codesourcery.com>
Maciej W. Rozycki <macro@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
* c-parser.c (c_parser_omp_clause_name): Support no_create.
(c_parser_oacc_data_clause): Likewise.
(c_parser_oacc_all_clauses): Likewise.
(OACC_DATA_CLAUSE_MASK, OACC_KERNELS_CLAUSE_MASK)
(OACC_PARALLEL_CLAUSE_MASK, OACC_SERIAL_CLAUSE_MASK): Add
PRAGMA_OACC_CLAUSE_NO_CREATE.
* c-typeck.c (handle_omp_array_sections): Support
GOMP_MAP_NO_ALLOC.
2019-12-09 David Malcolm <dmalcolm@redhat.com>
* c-objc-common.c (range_label_for_type_mismatch::get_text):

20
gcc/c/c-parser.c
View File

@@ -12650,7 +12650,9 @@ c_parser_omp_clause_name (c_parser *parser)
result = PRAGMA_OMP_CLAUSE_MERGEABLE;
break;
case 'n':
if (!strcmp ("nogroup", p))
if (!strcmp ("no_create", p))
result = PRAGMA_OACC_CLAUSE_NO_CREATE;
else if (!strcmp ("nogroup", p))
result = PRAGMA_OMP_CLAUSE_NOGROUP;
else if (!strcmp ("nontemporal", p))
result = PRAGMA_OMP_CLAUSE_NONTEMPORAL;
@@ -13113,7 +13115,10 @@ c_parser_omp_var_list_parens (c_parser *parser, enum omp_clause_code kind,
copyout ( variable-list )
create ( variable-list )
delete ( variable-list )
present ( variable-list ) */
present ( variable-list )
OpenACC 2.6:
no_create ( variable-list ) */
static tree
c_parser_oacc_data_clause (c_parser *parser, pragma_omp_clause c_kind,
@@ -13149,6 +13154,9 @@ c_parser_oacc_data_clause (c_parser *parser, pragma_omp_clause c_kind,
case PRAGMA_OACC_CLAUSE_LINK:
kind = GOMP_MAP_LINK;
break;
case PRAGMA_OACC_CLAUSE_NO_CREATE:
kind = GOMP_MAP_IF_PRESENT;
break;
case PRAGMA_OACC_CLAUSE_PRESENT:
kind = GOMP_MAP_FORCE_PRESENT;
break;
@@ -15947,6 +15955,10 @@ c_parser_oacc_all_clauses (c_parser *parser, omp_clause_mask mask,
clauses = c_parser_oacc_data_clause (parser, c_kind, clauses);
c_name = "link";
break;
case PRAGMA_OACC_CLAUSE_NO_CREATE:
clauses = c_parser_oacc_data_clause (parser, c_kind, clauses);
c_name = "no_create";
break;
case PRAGMA_OACC_CLAUSE_NUM_GANGS:
clauses = c_parser_oacc_single_int_clause (parser,
OMP_CLAUSE_NUM_GANGS,
@@ -16415,6 +16427,7 @@ c_parser_oacc_cache (location_t loc, c_parser *parser)
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_CREATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_DEVICEPTR) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_IF) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_NO_CREATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_PRESENT))
static tree
@@ -16747,6 +16760,7 @@ c_parser_oacc_loop (location_t loc, c_parser *parser, char *p_name,
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_DEFAULT) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_DEVICEPTR) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_IF) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_NO_CREATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_NUM_GANGS) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_NUM_WORKERS) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_PRESENT) \
@@ -16762,6 +16776,7 @@ c_parser_oacc_loop (location_t loc, c_parser *parser, char *p_name,
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_DEFAULT) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_DEVICEPTR) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_IF) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_NO_CREATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_PRIVATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_FIRSTPRIVATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_NUM_GANGS) \
@@ -16780,6 +16795,7 @@ c_parser_oacc_loop (location_t loc, c_parser *parser, char *p_name,
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_DEFAULT) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_DEVICEPTR) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_IF) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_NO_CREATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_PRIVATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_FIRSTPRIVATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_PRESENT) \

1
gcc/c/c-typeck.c
View File

@@ -13422,6 +13422,7 @@ handle_omp_array_sections (tree c, enum c_omp_region_type ort)
switch (OMP_CLAUSE_MAP_KIND (c))
{
case GOMP_MAP_ALLOC:
case GOMP_MAP_IF_PRESENT:
case GOMP_MAP_TO:
case GOMP_MAP_FROM:
case GOMP_MAP_TOFROM:

12
gcc/cp/ChangeLog
View File

@@ -1,3 +1,15 @@
2019-12-19 Julian Brown <julian@codesourcery.com>
Maciej W. Rozycki <macro@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
* parser.c (cp_parser_omp_clause_name): Support no_create.
(cp_parser_oacc_data_clause): Likewise.
(cp_parser_oacc_all_clauses): Likewise.
(OACC_DATA_CLAUSE_MASK, OACC_KERNELS_CLAUSE_MASK)
(OACC_PARALLEL_CLAUSE_MASK): Add PRAGMA_OACC_CLAUSE_NO_CREATE.
* semantics.c (handle_omp_array_sections): Support no_create.
2019-12-18 Paolo Carlini <paolo.carlini@oracle.com>
* typeck.c (cxx_sizeof_or_alignof_type): Add location_t parameter

22
gcc/cp/parser.c
View File

@@ -33622,7 +33622,9 @@ cp_parser_omp_clause_name (cp_parser *parser)
result = PRAGMA_OMP_CLAUSE_MERGEABLE;
break;
case 'n':
if (!strcmp ("nogroup", p))
if (!strcmp ("no_create", p))
result = PRAGMA_OACC_CLAUSE_NO_CREATE;
else if (!strcmp ("nogroup", p))
result = PRAGMA_OMP_CLAUSE_NOGROUP;
else if (!strcmp ("nontemporal", p))
result = PRAGMA_OMP_CLAUSE_NONTEMPORAL;
@@ -33988,7 +33990,10 @@ cp_parser_omp_var_list (cp_parser *parser, enum omp_clause_code kind, tree list)
copyout ( variable-list )
create ( variable-list )
delete ( variable-list )
present ( variable-list ) */
present ( variable-list )
OpenACC 2.6:
no_create ( variable-list ) */
static tree
cp_parser_oacc_data_clause (cp_parser *parser, pragma_omp_clause c_kind,
@@ -34024,6 +34029,9 @@ cp_parser_oacc_data_clause (cp_parser *parser, pragma_omp_clause c_kind,
case PRAGMA_OACC_CLAUSE_LINK:
kind = GOMP_MAP_LINK;
break;
case PRAGMA_OACC_CLAUSE_NO_CREATE:
kind = GOMP_MAP_IF_PRESENT;
break;
case PRAGMA_OACC_CLAUSE_PRESENT:
kind = GOMP_MAP_FORCE_PRESENT;
break;
@@ -36586,6 +36594,10 @@ cp_parser_oacc_all_clauses (cp_parser *parser, omp_clause_mask mask,
clauses = cp_parser_oacc_data_clause (parser, c_kind, clauses);
c_name = "link";
break;
case PRAGMA_OACC_CLAUSE_NO_CREATE:
clauses = cp_parser_oacc_data_clause (parser, c_kind, clauses);
c_name = "no_create";
break;
case PRAGMA_OACC_CLAUSE_NUM_GANGS:
code = OMP_CLAUSE_NUM_GANGS;
c_name = "num_gangs";
@@ -40391,6 +40403,7 @@ cp_parser_oacc_cache (cp_parser *parser, cp_token *pragma_tok)
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_CREATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_DEVICEPTR) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_IF) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_NO_CREATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_PRESENT) )
static tree
@@ -40712,6 +40725,7 @@ cp_parser_oacc_loop (cp_parser *parser, cp_token *pragma_tok, char *p_name,
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_DEFAULT) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_DEVICEPTR) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_IF) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_NO_CREATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_NUM_GANGS) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_NUM_WORKERS) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_PRESENT) \
@@ -40726,8 +40740,9 @@ cp_parser_oacc_loop (cp_parser *parser, cp_token *pragma_tok, char *p_name,
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_CREATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_DEFAULT) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_DEVICEPTR) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_FIRSTPRIVATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_FIRSTPRIVATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_IF) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_NO_CREATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_NUM_GANGS) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_NUM_WORKERS) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_PRESENT) \
@@ -40745,6 +40760,7 @@ cp_parser_oacc_loop (cp_parser *parser, cp_token *pragma_tok, char *p_name,
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_DEFAULT) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_DEVICEPTR) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_IF) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_NO_CREATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_PRIVATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_FIRSTPRIVATE) \
| (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_PRESENT) \

1
gcc/cp/semantics.c
View File

@@ -5292,6 +5292,7 @@ handle_omp_array_sections (tree c, enum c_omp_region_type ort)
switch (OMP_CLAUSE_MAP_KIND (c))
{
case GOMP_MAP_ALLOC:
case GOMP_MAP_IF_PRESENT:
case GOMP_MAP_TO:
case GOMP_MAP_FROM:
case GOMP_MAP_TOFROM:

13
gcc/fortran/ChangeLog
View File

@@ -1,3 +1,16 @@
2019-12-19 Julian Brown <julian@codesourcery.com>
Maciej W. Rozycki <macro@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
* gfortran.h (gfc_omp_map_op): Add OMP_MAP_NO_ALLOC.
* openmp.c (omp_mask2): Add OMP_CLAUSE_NO_CREATE.
(gfc_match_omp_clauses): Support no_create.
(OACC_PARALLEL_CLAUSES, OACC_KERNELS_CLAUSES)
(OACC_DATA_CLAUSES): Add OMP_CLAUSE_NO_CREATE.
* trans-openmp.c (gfc_trans_omp_clauses_1): Support
OMP_MAP_NO_ALLOC.
2019-12-18 Harald Anlauf <anlauf@gmx.de>
PR fortran/70853

1
gcc/fortran/gfortran.h
View File

@@ -1192,6 +1192,7 @@ enum gfc_omp_depend_op
enum gfc_omp_map_op
{
OMP_MAP_ALLOC,
OMP_MAP_IF_PRESENT,
OMP_MAP_TO,
OMP_MAP_FROM,
OMP_MAP_TOFROM,

28
gcc/fortran/openmp.c
View File

@@ -807,6 +807,7 @@ enum omp_mask2
OMP_CLAUSE_COPY,
OMP_CLAUSE_COPYOUT,
OMP_CLAUSE_CREATE,
OMP_CLAUSE_NO_CREATE,
OMP_CLAUSE_PRESENT,
OMP_CLAUSE_DEVICEPTR,
OMP_CLAUSE_GANG,
@@ -1445,6 +1446,11 @@ gfc_match_omp_clauses (gfc_omp_clauses **cp, const omp_mask mask,
}
break;
case 'n':
if ((mask & OMP_CLAUSE_NO_CREATE)
&& gfc_match ("no_create ( ") == MATCH_YES
&& gfc_match_omp_map_clause (&c->lists[OMP_LIST_MAP],
OMP_MAP_IF_PRESENT, true))
continue;
if ((mask & OMP_CLAUSE_NOGROUP)
&& !c->nogroup
&& gfc_match ("nogroup") == MATCH_YES)
@@ -1955,25 +1961,25 @@ gfc_match_omp_clauses (gfc_omp_clauses **cp, const omp_mask mask,
(omp_mask (OMP_CLAUSE_IF) | OMP_CLAUSE_ASYNC | OMP_CLAUSE_NUM_GANGS \
| OMP_CLAUSE_NUM_WORKERS | OMP_CLAUSE_VECTOR_LENGTH | OMP_CLAUSE_REDUCTION \
| OMP_CLAUSE_COPY | OMP_CLAUSE_COPYIN | OMP_CLAUSE_COPYOUT \
| OMP_CLAUSE_CREATE | OMP_CLAUSE_PRESENT | OMP_CLAUSE_DEVICEPTR \
| OMP_CLAUSE_PRIVATE | OMP_CLAUSE_FIRSTPRIVATE | OMP_CLAUSE_DEFAULT \
| OMP_CLAUSE_WAIT)
| OMP_CLAUSE_CREATE | OMP_CLAUSE_NO_CREATE | OMP_CLAUSE_PRESENT \
| OMP_CLAUSE_DEVICEPTR | OMP_CLAUSE_PRIVATE | OMP_CLAUSE_FIRSTPRIVATE \
| OMP_CLAUSE_DEFAULT | OMP_CLAUSE_WAIT)
#define OACC_KERNELS_CLAUSES \
(omp_mask (OMP_CLAUSE_IF) | OMP_CLAUSE_ASYNC | OMP_CLAUSE_NUM_GANGS \
| OMP_CLAUSE_NUM_WORKERS | OMP_CLAUSE_VECTOR_LENGTH | OMP_CLAUSE_DEVICEPTR \
| OMP_CLAUSE_COPY | OMP_CLAUSE_COPYIN | OMP_CLAUSE_COPYOUT \
| OMP_CLAUSE_CREATE | OMP_CLAUSE_PRESENT | OMP_CLAUSE_DEFAULT \
| OMP_CLAUSE_WAIT)
| OMP_CLAUSE_CREATE | OMP_CLAUSE_NO_CREATE | OMP_CLAUSE_PRESENT \
| OMP_CLAUSE_DEFAULT | OMP_CLAUSE_WAIT)
#define OACC_SERIAL_CLAUSES \
(omp_mask (OMP_CLAUSE_IF) | OMP_CLAUSE_ASYNC | OMP_CLAUSE_REDUCTION \
| OMP_CLAUSE_COPY | OMP_CLAUSE_COPYIN | OMP_CLAUSE_COPYOUT \
| OMP_CLAUSE_CREATE | OMP_CLAUSE_PRESENT | OMP_CLAUSE_DEVICEPTR \
| OMP_CLAUSE_PRIVATE | OMP_CLAUSE_FIRSTPRIVATE | OMP_CLAUSE_DEFAULT \
| OMP_CLAUSE_WAIT)
| OMP_CLAUSE_CREATE | OMP_CLAUSE_NO_CREATE | OMP_CLAUSE_PRESENT \
| OMP_CLAUSE_DEVICEPTR | OMP_CLAUSE_PRIVATE | OMP_CLAUSE_FIRSTPRIVATE \
| OMP_CLAUSE_DEFAULT | OMP_CLAUSE_WAIT)
#define OACC_DATA_CLAUSES \
(omp_mask (OMP_CLAUSE_IF) | OMP_CLAUSE_DEVICEPTR | OMP_CLAUSE_COPY \
| OMP_CLAUSE_COPYIN | OMP_CLAUSE_COPYOUT | OMP_CLAUSE_CREATE \
| OMP_CLAUSE_PRESENT)
| OMP_CLAUSE_NO_CREATE | OMP_CLAUSE_PRESENT)
#define OACC_LOOP_CLAUSES \
(omp_mask (OMP_CLAUSE_COLLAPSE) | OMP_CLAUSE_GANG | OMP_CLAUSE_WORKER \
| OMP_CLAUSE_VECTOR | OMP_CLAUSE_SEQ | OMP_CLAUSE_INDEPENDENT \
@@ -2509,7 +2515,7 @@ cleanup:
#define OMP_TASKLOOP_CLAUSES \
(omp_mask (OMP_CLAUSE_PRIVATE) | OMP_CLAUSE_FIRSTPRIVATE \
| OMP_CLAUSE_LASTPRIVATE | OMP_CLAUSE_SHARED | OMP_CLAUSE_IF \
| OMP_CLAUSE_DEFAULT | OMP_CLAUSE_UNTIED | OMP_CLAUSE_FINAL \
| OMP_CLAUSE_DEFAULT | OMP_CLAUSE_UNTIED | OMP_CLAUSE_FINAL \
| OMP_CLAUSE_MERGEABLE | OMP_CLAUSE_PRIORITY | OMP_CLAUSE_GRAINSIZE \
| OMP_CLAUSE_NUM_TASKS | OMP_CLAUSE_COLLAPSE | OMP_CLAUSE_NOGROUP)
#define OMP_TARGET_CLAUSES \
@@ -2531,7 +2537,7 @@ cleanup:
| OMP_CLAUSE_FROM | OMP_CLAUSE_DEPEND | OMP_CLAUSE_NOWAIT)
#define OMP_TEAMS_CLAUSES \
(omp_mask (OMP_CLAUSE_NUM_TEAMS) | OMP_CLAUSE_THREAD_LIMIT \
| OMP_CLAUSE_DEFAULT | OMP_CLAUSE_PRIVATE | OMP_CLAUSE_FIRSTPRIVATE \
| OMP_CLAUSE_DEFAULT | OMP_CLAUSE_PRIVATE | OMP_CLAUSE_FIRSTPRIVATE \
| OMP_CLAUSE_SHARED | OMP_CLAUSE_REDUCTION)
#define OMP_DISTRIBUTE_CLAUSES \
(omp_mask (OMP_CLAUSE_PRIVATE) | OMP_CLAUSE_FIRSTPRIVATE \

3
gcc/fortran/trans-openmp.c
View File

@@ -2624,6 +2624,9 @@ gfc_trans_omp_clauses (stmtblock_t *block, gfc_omp_clauses *clauses,
case OMP_MAP_ALLOC:
OMP_CLAUSE_SET_MAP_KIND (node, GOMP_MAP_ALLOC);
break;
case OMP_MAP_IF_PRESENT:
OMP_CLAUSE_SET_MAP_KIND (node, GOMP_MAP_IF_PRESENT);
break;
case OMP_MAP_TO:
OMP_CLAUSE_SET_MAP_KIND (node, GOMP_MAP_TO);
break;

2
gcc/omp-low.c
View File

@@ -11431,6 +11431,7 @@ lower_omp_target (gimple_stmt_iterator *gsi_p, omp_context *ctx)
case GOMP_MAP_STRUCT:
case GOMP_MAP_ALWAYS_POINTER:
break;
case GOMP_MAP_IF_PRESENT:
case GOMP_MAP_FORCE_ALLOC:
case GOMP_MAP_FORCE_TO:
case GOMP_MAP_FORCE_FROM:
@@ -11842,6 +11843,7 @@ lower_omp_target (gimple_stmt_iterator *gsi_p, omp_context *ctx)
switch (tkind)
{
case GOMP_MAP_ALLOC:
case GOMP_MAP_IF_PRESENT:
case GOMP_MAP_TO:
case GOMP_MAP_FROM:
case GOMP_MAP_TOFROM:

12
gcc/testsuite/ChangeLog
View File

@@ -1,3 +1,15 @@
2019-12-19 Julian Brown <julian@codesourcery.com>
Maciej W. Rozycki <macro@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
* gfortran.dg/goacc/common-block-1.f90: Add no_create-clause tests.
* gfortran.dg/goacc/common-block-1.f90: Likewise.
* gfortran.dg/goacc/data-clauses.f95: Likewise.
* gfortran.dg/goacc/data-tree.f95: Likewise.
* gfortran.dg/goacc/kernels-tree.f95: Likewise.
* gfortran.dg/goacc/parallel-tree.f95: Likewise.
2019-12-18 Paolo Carlini <paolo.carlini@oracle.com>
* g++.dg/diagnostic/alignof2.C: New.

3
gcc/testsuite/gfortran.dg/goacc/common-block-1.f90
View File

@@ -51,6 +51,9 @@ program test
!$acc data pcopyout(/blockA/, /blockB/, e, v)
!$acc end data
!$acc data no_create(/blockA/, /blockB/, e, v)
!$acc end data
!$acc parallel private(/blockA/, /blockB/, e, v)
!$acc end parallel

3
gcc/testsuite/gfortran.dg/goacc/common-block-2.f90
View File

@@ -39,6 +39,9 @@ program test
!$acc data pcopyout(/blockA/, /blockB/, e, v, a) ! { dg-error "Symbol .a. present on multiple clauses" }
!$acc end data
!$acc data no_create(/blockA/, /blockB/, e, v, a) ! { dg-error "Symbol .a. present on multiple clauses" }
!$acc end data
!$acc parallel private(/blockA/, /blockB/, e, v, a) ! { dg-error "Symbol .a. present on multiple clauses" }
!$acc end parallel

21
gcc/testsuite/gfortran.dg/goacc/data-clauses.f95
View File

@@ -111,6 +111,27 @@ contains
!$acc end data
!$acc parallel no_create (tip) ! { dg-error "POINTER" }
!$acc end parallel
!$acc parallel no_create (tia) ! { dg-error "ALLOCATABLE" }
!$acc end parallel
!$acc parallel deviceptr (i) no_create (i) ! { dg-error "multiple clauses" }
!$acc end parallel
!$acc parallel copy (i) no_create (i) ! { dg-error "multiple clauses" }
!$acc end parallel
!$acc parallel copyin (i) no_create (i) ! { dg-error "multiple clauses" }
!$acc end parallel
!$acc parallel copyout (i) no_create (i) ! { dg-error "multiple clauses" }
!$acc end parallel
!$acc parallel no_create (i, c, r, ia, ca, ra, asa, rp, ti, vi, aa)
!$acc end parallel
!$acc kernels no_create (i, c, r, ia, ca, ra, asa, rp, ti, vi, aa)
!$acc end kernels
!$acc data no_create (i, c, r, ia, ca, ra, asa, rp, ti, vi, aa)
!$acc end data
!$acc parallel present (tip) ! { dg-error "POINTER" }
!$acc end parallel
!$acc parallel present (tia) ! { dg-error "ALLOCATABLE" }

3
gcc/testsuite/gfortran.dg/goacc/data-tree.f95
View File

@@ -7,6 +7,7 @@ program test
logical :: l = .true.
!$acc data if(l) copy(i), copyin(j), copyout(k), create(m) &
!$acc no_create(n) &
!$acc present(o), pcopy(p), pcopyin(r), pcopyout(s), pcreate(t) &
!$acc deviceptr(u)
!$acc end data
@@ -19,7 +20,7 @@ end program test
! { dg-final { scan-tree-dump-times "map\\(to:j\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(from:k\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(alloc:m\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(no_alloc:n\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(force_present:o\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(tofrom:p\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(to:r\\)" 1 "original" } }

3
gcc/testsuite/gfortran.dg/goacc/kernels-tree.f95
View File

@@ -8,6 +8,7 @@ program test
!$acc kernels if(l) async num_gangs(i) num_workers(i) vector_length(i) &
!$acc copy(i), copyin(j), copyout(k), create(m) &
!$acc no_create(n) &
!$acc present(o), pcopy(p), pcopyin(r), pcopyout(s), pcreate(t) &
!$acc deviceptr(u)
!$acc end kernels
@@ -25,7 +26,7 @@ end program test
! { dg-final { scan-tree-dump-times "map\\(to:j\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(from:k\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(alloc:m\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(no_alloc:n\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(force_present:o\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(tofrom:p\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(to:r\\)" 1 "original" } }

3
gcc/testsuite/gfortran.dg/goacc/parallel-tree.f95
View File

@@ -9,6 +9,7 @@ program test
!$acc parallel if(l) async num_gangs(i) num_workers(i) vector_length(i) &
!$acc reduction(max:q), copy(i), copyin(j), copyout(k), create(m) &
!$acc no_create(n) &
!$acc present(o), pcopy(p), pcopyin(r), pcopyout(s), pcreate(t) &
!$acc deviceptr(u), private(v), firstprivate(w)
!$acc end parallel
@@ -28,7 +29,7 @@ end program test
! { dg-final { scan-tree-dump-times "map\\(to:j\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(from:k\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(alloc:m\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(no_alloc:n\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(force_present:o\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(tofrom:p\\)" 1 "original" } }
! { dg-final { scan-tree-dump-times "map\\(to:r\\)" 1 "original" } }

3
gcc/tree-pretty-print.c
View File

@@ -788,6 +788,9 @@ dump_omp_clause (pretty_printer *pp, tree clause, int spc, dump_flags_t flags)
case GOMP_MAP_POINTER:
pp_string (pp, "alloc");
break;
case GOMP_MAP_IF_PRESENT:
pp_string (pp, "no_alloc");
break;
case GOMP_MAP_TO:
case GOMP_MAP_TO_PSET:
pp_string (pp, "to");

7
include/ChangeLog
View File

@@ -1,3 +1,10 @@
2019-12-19 Julian Brown <julian@codesourcery.com>
Maciej W. Rozycki <macro@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
* gomp-constants.h (gomp_map_kind): Support GOMP_MAP_NO_ALLOC.
2019-11-16 Tim Ruehsen <tim.ruehsen@gmx.de>
* demangle.h (struct demangle_component): Add member

2
include/gomp-constants.h
View File

@@ -75,6 +75,8 @@ enum gomp_map_kind
GOMP_MAP_DEVICE_RESIDENT = (GOMP_MAP_FLAG_SPECIAL_1 | 1),
/* OpenACC link. */
GOMP_MAP_LINK = (GOMP_MAP_FLAG_SPECIAL_1 | 2),
/* Use device data if present, fall back to host address otherwise. */
GOMP_MAP_IF_PRESENT = (GOMP_MAP_FLAG_SPECIAL_1 | 3),
/* Do not map, copy bits for firstprivate instead. */
GOMP_MAP_FIRSTPRIVATE = (GOMP_MAP_FLAG_SPECIAL | 0),
/* Similarly, but store the value in the pointer rather than

15
libgomp/ChangeLog
View File

@@ -1,3 +1,18 @@
2019-12-19 Julian Brown <julian@codesourcery.com>
Maciej W. Rozycki <macro@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
* target.c (gomp_map_vars_async): Support GOMP_MAP_NO_ALLOC.
* testsuite/libgomp.oacc-c-c++-common/no_create-1.c: New test.
* testsuite/libgomp.oacc-c-c++-common/no_create-2.c: New test.
* testsuite/libgomp.oacc-c-c++-common/no_create-3.c: New test.
* testsuite/libgomp.oacc-c-c++-common/no_create-4.c: New test.
* testsuite/libgomp.oacc-c-c++-common/no_create-5.c: New test.
* testsuite/libgomp.oacc-fortran/no_create-1.f90: New test.
* testsuite/libgomp.oacc-fortran/no_create-2.f90: New test.
* testsuite/libgomp.oacc-fortran/no_create-3.F90: New test.
2019-12-18 Thomas Schwinge <thomas@codesourcery.com>
* oacc-mem.c (goacc_enter_data): Refactor, so that it can be

23
libgomp/target.c
View File

@@ -707,6 +707,21 @@ gomp_map_vars_internal (struct gomp_device_descr *devicep,
{
tgt->list[i].key = NULL;
if ((kind & typemask) == GOMP_MAP_IF_PRESENT)
{
/* Not present, hence, skip entry - including its MAP_POINTER,
when existing. */
tgt->list[i].offset = 0;
if (i + 1 < mapnum
&& ((typemask & get_kind (short_mapkind, kinds, i + 1))
== GOMP_MAP_POINTER))
{
++i;
tgt->list[i].key = NULL;
tgt->list[i].offset = 0;
}
continue;
}
size_t align = (size_t) 1 << (kind >> rshift);
not_found_cnt++;
if (tgt_align < align)
@@ -893,6 +908,14 @@ gomp_map_vars_internal (struct gomp_device_descr *devicep,
cur_node.tgt_offset = n->tgt->tgt_start + n->tgt_offset
+ cur_node.host_start - n->host_start;
continue;
case GOMP_MAP_IF_PRESENT:
/* Not present - otherwise handled above. Skip over its
MAP_POINTER as well. */
if (i + 1 < mapnum
&& ((typemask & get_kind (short_mapkind, kinds, i + 1))
== GOMP_MAP_POINTER))
++i;
continue;
default:
break;
}

49
libgomp/testsuite/libgomp.oacc-c-c++-common/no_create-1.c Normal file
View File

@@ -0,0 +1,49 @@
/* Test 'no_create' clause on compute construct, with data present on the
device. */
#include <stdlib.h>
#include <stdio.h>
#include <openacc.h>
#define N 128
int
main (int argc, char *argv[])
{
int var;
int *arr = (int *) malloc (N * sizeof (*arr));
int *devptr[2];
acc_copyin (&var, sizeof (var));
acc_copyin (arr, N * sizeof (*arr));
#pragma acc parallel no_create(var, arr[0:N]) copyout(devptr)
{
devptr[0] = &var;
devptr[1] = &arr[2];
}
if (acc_hostptr (devptr[0]) != (void *) &var)
__builtin_abort ();
if (acc_hostptr (devptr[1]) != (void *) &arr[2])
__builtin_abort ();
acc_delete (&var, sizeof (var));
acc_delete (arr, N * sizeof (*arr));
#if ACC_MEM_SHARED
if (devptr[0] != &var)
__builtin_abort ();
if (devptr[1] != &arr[2])
__builtin_abort ();
#else
if (devptr[0] == &var)
__builtin_abort ();
if (devptr[1] == &arr[2])
__builtin_abort ();
#endif
free (arr);
return 0;
}

30
libgomp/testsuite/libgomp.oacc-c-c++-common/no_create-2.c Normal file
View File

@@ -0,0 +1,30 @@
/* Test 'no_create' clause on compute construct, with data not present on the
device. */
#include <stdlib.h>
#include <stdio.h>
#define N 128
int
main (int argc, char *argv[])
{
int var;
int *arr = (int *) malloc (N * sizeof (*arr));
int *devptr[2];
#pragma acc parallel no_create(var, arr[0:N]) copyout(devptr)
{
devptr[0] = &var;
devptr[1] = &arr[2];
}
if (devptr[0] != &var)
__builtin_abort ();
if (devptr[1] != &arr[2])
__builtin_abort ();
free (arr);
return 0;
}

25
libgomp/testsuite/libgomp.oacc-c-c++-common/no_create-3.c Normal file
View File

@@ -0,0 +1,25 @@
#include <float.h> /* For FLT_EPSILON. */
#include <math.h> /* For fabs. */
#include <stdlib.h> /* For abort. */
int main()
{
#define N 100
float b[N];
float c[N];
#pragma acc enter data create(b)
#pragma acc parallel loop no_create(b) no_create(c)
for (int i = 0; i < N; ++i)
b[i] = i;
#pragma acc exit data copyout(b)
for (int i = 0; i < N; ++i)
if (fabs (b[i] - i) > 10.0*FLT_EPSILON)
abort ();
return 0;
}

82
libgomp/testsuite/libgomp.oacc-c-c++-common/no_create-4.c Normal file
View File

@@ -0,0 +1,82 @@
/* Test 'no_create' clause on 'data' construct and nested compute construct,
with data present on the device. */
#include <stdlib.h>
#include <stdio.h>
#include <openacc.h>
#define N 128
int
main (int argc, char *argv[])
{
int var;
int *arr = (int *) malloc (N * sizeof (*arr));
int *devptr[2];
acc_copyin (&var, sizeof (var));
acc_copyin (arr, N * sizeof (*arr));
#pragma acc data no_create(var, arr[0:N])
{
devptr[0] = (int *) acc_deviceptr (&var);
devptr[1] = (int *) acc_deviceptr (&arr[2]);
if (devptr[0] == NULL)
__builtin_abort ();
if (devptr[1] == NULL)
__builtin_abort ();
if (acc_hostptr (devptr[0]) != (void *) &var)
__builtin_abort ();
if (acc_hostptr (devptr[1]) != (void *) &arr[2])
__builtin_abort ();
#if ACC_MEM_SHARED
if (devptr[0] != &var)
__builtin_abort ();
if (devptr[1] != &arr[2])
__builtin_abort ();
#else
if (devptr[0] == &var)
__builtin_abort ();
if (devptr[1] == &arr[2])
__builtin_abort ();
#endif
#pragma acc parallel copyout(devptr)
{
devptr[0] = &var;
devptr[1] = &arr[2];
}
if (devptr[0] == NULL)
__builtin_abort ();
if (devptr[1] == NULL)
__builtin_abort ();
if (acc_hostptr (devptr[0]) != (void *) &var)
__builtin_abort ();
if (acc_hostptr (devptr[1]) != (void *) &arr[2])
__builtin_abort ();
#if ACC_MEM_SHARED
if (devptr[0] != &var)
__builtin_abort ();
if (devptr[1] != &arr[2])
__builtin_abort ();
#else
if (devptr[0] == &var)
__builtin_abort ();
if (devptr[1] == &arr[2])
__builtin_abort ();
#endif
}
acc_delete (&var, sizeof (var));
acc_delete (arr, N * sizeof (*arr));
free (arr);
return 0;
}

49
libgomp/testsuite/libgomp.oacc-c-c++-common/no_create-5.c Normal file
View File

@@ -0,0 +1,49 @@
/* Test 'no_create' clause on 'data' construct and nested compute construct,
with data not present on the device. */
#include <stdlib.h>
#include <stdio.h>
#include <openacc.h>
#define N 128
int
main (int argc, char *argv[])
{
int var;
int *arr = (int *) malloc (N * sizeof (*arr));
int *devptr[2];
#pragma acc data no_create(var, arr[0:N])
{
devptr[0] = (int *) acc_deviceptr (&var);
devptr[1] = (int *) acc_deviceptr (&arr[2]);
#if ACC_MEM_SHARED
if (devptr[0] == NULL)
__builtin_abort ();
if (devptr[1] == NULL)
__builtin_abort ();
#else
if (devptr[0] != NULL)
__builtin_abort ();
if (devptr[1] != NULL)
__builtin_abort ();
#endif
#pragma acc parallel copyout(devptr) // TODO implicit 'copy(var)' -- huh?!
{
devptr[0] = &var;
devptr[1] = &arr[2];
}
if (devptr[0] != &var)
__builtin_abort (); // { dg-xfail-run-if "TODO" { *-*-* } { "-DACC_MEM_SHARED=0" } }
if (devptr[1] != &arr[2])
__builtin_abort ();
}
free (arr);
return 0;
}

39
libgomp/testsuite/libgomp.oacc-fortran/no_create-1.f90 Normal file
View File

@@ -0,0 +1,39 @@
! { dg-do run }
! Test no_create clause with data construct when data is present/not present.
program no_create
use openacc
implicit none
logical :: shared_memory
integer, parameter :: n = 512
integer :: myvar, myarr(n)
integer i
shared_memory = .false.
!$acc kernels copyin (shared_memory)
shared_memory = .true.
!$acc end kernels
myvar = 77
do i = 1, n
myarr(i) = 0
end do
!$acc data no_create (myvar, myarr)
if (acc_is_present (myvar) .neqv. shared_memory) stop 10
if (acc_is_present (myarr) .neqv. shared_memory) stop 11
!$acc end data
!$acc enter data copyin (myvar, myarr)
!$acc data no_create (myvar, myarr)
if (acc_is_present (myvar) .eqv. .false.) stop 20
if (acc_is_present (myarr) .eqv. .false.) stop 21
!$acc end data
!$acc exit data copyout (myvar, myarr)
if (myvar .ne. 77) stop 30
do i = 1, n
if (myarr(i) .ne. 0) stop 31
end do
end program no_create

90
libgomp/testsuite/libgomp.oacc-fortran/no_create-2.f90 Normal file
View File

@@ -0,0 +1,90 @@
! { dg-do run }
! Test no_create clause with data/parallel constructs.
program no_create
use openacc
implicit none
logical :: shared_memory
integer, parameter :: n = 512
integer :: myvar, myarr(n)
integer i
shared_memory = .false.
!$acc kernels copyin (shared_memory)
shared_memory = .true.
!$acc end kernels
myvar = 55
do i = 1, n
myarr(i) = 0
end do
call do_on_target(myvar, n, myarr)
if (shared_memory) then
if (myvar .ne. 44) stop 10
else
if (myvar .ne. 33) stop 11
end if
do i = 1, n
if (shared_memory) then
if (myarr(i) .ne. i * 2) stop 20
else
if (myarr(i) .ne. i) stop 21
end if
end do
myvar = 55
do i = 1, n
myarr(i) = 0
end do
!$acc enter data copyin(myvar, myarr)
call do_on_target(myvar, n, myarr)
!$acc exit data copyout(myvar, myarr)
if (myvar .ne. 44) stop 30
do i = 1, n
if (myarr(i) .ne. i * 2) stop 31
end do
end program no_create
subroutine do_on_target (var, n, arr)
use openacc
implicit none
integer :: var, n, arr(n)
integer :: i
!$acc data no_create (var, arr)
if (acc_is_present(var)) then
! The no_create clause is meant for partially shared-memory machines. This
! test is written to work on non-shared-memory machines, though this is not
! necessarily a useful way to use the no_create clause in practice.
!$acc parallel !no_create (var)
var = 44
!$acc end parallel
else
var = 33
end if
if (acc_is_present(arr)) then
! The no_create clause is meant for partially shared-memory machines. This
! test is written to work on non-shared-memory machines, though this is not
! necessarily a useful way to use the no_create clause in practice.
!$acc parallel loop !no_create (arr)
do i = 1, n
arr(i) = i * 2
end do
!$acc end parallel loop
else
do i = 1, n
arr(i) = i
end do
end if
!$acc end data
end subroutine do_on_target

39
libgomp/testsuite/libgomp.oacc-fortran/no_create-3.F90 Normal file
View File

@@ -0,0 +1,39 @@
! { dg-do run }
program main
use iso_c_binding, only: c_sizeof
use openacc, only: acc_is_present
implicit none
integer i
integer, parameter :: n = 100
real*4 b(n), c(n)
real :: d(n), e(n)
common /BLOCK/ d, e
!$acc enter data create(b) create(d)
if (.not. acc_is_present(b, c_sizeof(b))) stop 1
if (.not. acc_is_present(d, c_sizeof(d))) stop 2
#if !ACC_MEM_SHARED
if (acc_is_present(c, 1) .or. acc_is_present(c, c_sizeof(c))) stop 3
if (acc_is_present(e, 1) .or. acc_is_present(e, c_sizeof(d))) stop 4
#endif
!$acc parallel loop no_create(b) no_create(c) no_create(/BLOCK/)
do i = 1, n
b(i) = i
d(i) = -i
end do
!$acc end parallel loop
if (.not. acc_is_present(b, c_sizeof(b))) stop 5
if (.not. acc_is_present(d, c_sizeof(d))) stop 6
#if !ACC_MEM_SHARED
if (acc_is_present(c, 1) .or. acc_is_present(c, c_sizeof(c))) stop 7
if (acc_is_present(e, 1) .or. acc_is_present(e, c_sizeof(e))) stop 8
#endif
!$acc exit data copyout(b) copyout(d)
if (any(abs(b - [(real(i), i = 1, n)]) > 10*epsilon(b))) stop 9
if (any(abs(d - [(real(-i), i = 1, n)]) > 10*epsilon(d))) stop 10
end program main