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c-parser.c (c_parser_oacc_declare): Don't scan for GOMP_MAP_POINTER.

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gcc/c/
	* c-parser.c (c_parser_oacc_declare): Don't scan for
	GOMP_MAP_POINTER.
	* c-typeck.c (handle_omp_array_sections): Mark data clauses with
	GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
	zero-length subarrays.

	gcc/cp/
	* parser.c (cp_parser_oacc_declare): Don't scan for
	GOMP_MAP_POINTER.
	* semantics.c (handle_omp_array_sections): Mark data clauses with
	GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
	zero-length subarrays.

	gcc/
	* omp-low.c (lower_omp_target): Mark data clauses with
	GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
	zero-length subarrays.

	libgomp/
	* testsuite/libgomp.oacc-c-c++-common/zero_length_subarrays.c: New
	test.

From-SVN: r238376
This commit is contained in:
Cesar Philippidis 2016-07-15 07:13:48 -07:00 committed by Cesar Philippidis
parent f7ba880b6b
commit b1c9c068f7
10 changed files with 84 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
* omp-low.c (lower_omp_target): Mark data clauses with
GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
zero-length subarrays.
2016-07-15 Richard Biener <rguenther@suse.de>
PR tree-optimization/71881

8
gcc/c/ChangeLog
View File

@ -1,3 +1,11 @@
2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
* c-parser.c (c_parser_oacc_declare): Don't scan for
GOMP_MAP_POINTER.
* c-typeck.c (handle_omp_array_sections): Mark data clauses with
GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
zero-length subarrays.
2016-07-15 Jakub Jelinek <jakub@redhat.com>
PR c/71858

5
gcc/c/c-parser.c
View File

@ -13664,11 +13664,6 @@ c_parser_oacc_declare (c_parser *parser)
case GOMP_MAP_DEVICE_RESIDENT:
break;
case GOMP_MAP_POINTER:
/* Generated by c_finish_omp_clauses from array sections;
avoid spurious diagnostics. */
break;
case GOMP_MAP_LINK:
if (!global_bindings_p ()
&& (TREE_STATIC (decl)

4
gcc/c/c-typeck.c
View File

@ -12505,6 +12505,10 @@ handle_omp_array_sections (tree c, enum c_omp_region_type ort)
case GOMP_MAP_ALWAYS_TOFROM:
case GOMP_MAP_RELEASE:
case GOMP_MAP_DELETE:
case GOMP_MAP_FORCE_TO:
case GOMP_MAP_FORCE_FROM:
case GOMP_MAP_FORCE_TOFROM:
case GOMP_MAP_FORCE_PRESENT:
OMP_CLAUSE_MAP_MAYBE_ZERO_LENGTH_ARRAY_SECTION (c) = 1;
break;
default:

8
gcc/cp/ChangeLog
View File

@ -1,3 +1,11 @@
2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
* parser.c (cp_parser_oacc_declare): Don't scan for
GOMP_MAP_POINTER.
* semantics.c (handle_omp_array_sections): Mark data clauses with
GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
zero-length subarrays.
2016-07-11 Jason Merrill <jason@redhat.com>
* decl.c (store_parm_decls): Remove check for void parm.

5
gcc/cp/parser.c
View File

@ -35258,11 +35258,6 @@ cp_parser_oacc_declare (cp_parser *parser, cp_token *pragma_tok)
case GOMP_MAP_DEVICE_RESIDENT:
break;
case GOMP_MAP_POINTER:
/* Generated by c_finish_omp_clauses from array sections;
avoid spurious diagnostics. */
break;
case GOMP_MAP_LINK:
if (!global_bindings_p ()
&& (TREE_STATIC (decl)

4
gcc/cp/semantics.c
View File

@ -5002,6 +5002,10 @@ handle_omp_array_sections (tree c, enum c_omp_region_type ort)
case GOMP_MAP_ALWAYS_TOFROM:
case GOMP_MAP_RELEASE:
case GOMP_MAP_DELETE:
case GOMP_MAP_FORCE_TO:
case GOMP_MAP_FORCE_FROM:
case GOMP_MAP_FORCE_TOFROM:
case GOMP_MAP_FORCE_PRESENT:
OMP_CLAUSE_MAP_MAYBE_ZERO_LENGTH_ARRAY_SECTION (c) = 1;
break;
default:

4
gcc/omp-low.c
View File

@ -16210,6 +16210,10 @@ lower_omp_target (gimple_stmt_iterator *gsi_p, omp_context *ctx)
case GOMP_MAP_ALWAYS_FROM:
case GOMP_MAP_ALWAYS_TOFROM:
case GOMP_MAP_RELEASE:
case GOMP_MAP_FORCE_TO:
case GOMP_MAP_FORCE_FROM:
case GOMP_MAP_FORCE_TOFROM:
case GOMP_MAP_FORCE_PRESENT:
tkind_zero = GOMP_MAP_ZERO_LEN_ARRAY_SECTION;
break;
case GOMP_MAP_DELETE:

5
libgomp/ChangeLog
View File

@ -1,3 +1,8 @@
2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
* testsuite/libgomp.oacc-c-c++-common/zero_length_subarrays.c: New
test.
2016-07-03 H.J. Lu <hongjiu.lu@intel.com>
PR middle-end/71734

45
libgomp/testsuite/libgomp.oacc-c-c++-common/zero_length_subarrays.c Normal file
View File

@ -0,0 +1,45 @@
/* Exercise zero-length sub-arrays. */
const int n = 10;
void
subzero_present (int *a, int n)
{
#pragma acc data present (a[0:n])
;
#pragma acc data pcopy (a[0:n])
;
#pragma acc data pcopyin (a[0:n])
;
#pragma acc data pcopyout (a[0:n])
;
}
void
subzero (int *a, int n)
{
#pragma acc data create (a[0:n])
;
#pragma acc data copy (a[0:n])
;
#pragma acc data copyin (a[0:n])
;
#pragma acc data copyout (a[0:n])
;
}
int
main ()
{
int a[n];
#pragma acc data copy (a[0:n])
{
subzero_present (a, 0);
}
subzero (a, 0);
return 0;
}