* [gomp4.1] Disallow modifiers on linear clause except in declare simd
@ 2015-10-13 7:15 Jakub Jelinek
0 siblings, 0 replies; only message in thread
From: Jakub Jelinek @ 2015-10-13 7:15 UTC (permalink / raw)
To: gcc-patches
Hi!
Modifiers are only meaningful in declare simd construct, therefore
latest OpenMP 4.5 disallows them on simd/for constructs.
2015-10-13 Jakub Jelinek <jakub@redhat.com>
c/
* c-typeck.c (c_finish_omp_clauses): Disallow modifiers on simd/for
constructs.
cp/
* semantics.c (finish_omp_clauses): Disallow modifiers on simd/for
constructs.
testsuite/
* c-c++-common/gomp/linear-1.c: New test.
* g++.dg/gomp/linear-1.C: New test.
--- gcc/c/c-typeck.c.jj 2015-10-09 11:17:17.000000000 +0200
+++ gcc/c/c-typeck.c 2015-10-09 19:05:48.433813759 +0200
@@ -12470,6 +12470,14 @@ c_finish_omp_clauses (tree clauses, bool
if (!declare_simd)
need_implicitly_determined = true;
t = OMP_CLAUSE_DECL (c);
+ if (!declare_simd
+ && OMP_CLAUSE_LINEAR_KIND (c) != OMP_CLAUSE_LINEAR_DEFAULT)
+ {
+ error_at (OMP_CLAUSE_LOCATION (c),
+ "modifier should not be specified in %<linear%> "
+ "clause on %<simd%> or %<for%> constructs");
+ OMP_CLAUSE_LINEAR_KIND (c) = OMP_CLAUSE_LINEAR_DEFAULT;
+ }
if (!INTEGRAL_TYPE_P (TREE_TYPE (t))
&& TREE_CODE (TREE_TYPE (t)) != POINTER_TYPE)
{
--- gcc/cp/semantics.c.jj 2015-10-09 11:19:37.000000000 +0200
+++ gcc/cp/semantics.c 2015-10-09 19:07:12.604636561 +0200
@@ -5725,6 +5725,14 @@ finish_omp_clauses (tree clauses, bool a
case OMP_CLAUSE_LINEAR:
field_ok = allow_fields;
t = OMP_CLAUSE_DECL (c);
+ if (!declare_simd
+ && OMP_CLAUSE_LINEAR_KIND (c) != OMP_CLAUSE_LINEAR_DEFAULT)
+ {
+ error_at (OMP_CLAUSE_LOCATION (c),
+ "modifier should not be specified in %<linear%> "
+ "clause on %<simd%> or %<for%> constructs");
+ OMP_CLAUSE_LINEAR_KIND (c) = OMP_CLAUSE_LINEAR_DEFAULT;
+ }
if ((VAR_P (t) || TREE_CODE (t) == PARM_DECL)
&& !type_dependent_expression_p (t))
{
--- gcc/testsuite/c-c++-common/gomp/linear-1.c.jj 2015-10-12 10:59:33.058013750 +0200
+++ gcc/testsuite/c-c++-common/gomp/linear-1.c 2015-10-12 11:25:31.633491633 +0200
@@ -0,0 +1,42 @@
+/* { dg-do compile } */
+/* { dg-options "-fopenmp" } */
+
+int i;
+
+#pragma omp declare simd linear (val (x) : 1) linear (y : 2)
+int bar (int x, int y, int z);
+
+void
+foo (int x, int y)
+{
+ #pragma omp simd linear (i: 3)
+ for (i = 0; i < 33; i += 3)
+ ;
+ #pragma omp simd linear (val (i): 3) /* { dg-error "modifier should not be specified in" } */
+ for (i = 0; i < 33; i += 3)
+ ;
+ #pragma omp simd linear (x: y + 1)
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+ #pragma omp simd linear (val (x): y + 1) /* { dg-error "modifier should not be specified in" } */
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+ #pragma omp for linear (x: y + 1)
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+ #pragma omp for linear (val (x): y + 1) /* { dg-error "modifier should not be specified in" } */
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+ #pragma omp for simd linear (i: 3)
+ for (i = 0; i < 33; i += 3)
+ ;
+ #pragma omp for simd linear (val (i): 3) /* { dg-error "modifier should not be specified in" } */
+ for (i = 0; i < 33; i += 3)
+ ;
+ #pragma omp for simd linear (x: y + 1)
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+ #pragma omp for simd linear (val (x): y + 1) /* { dg-error "modifier should not be specified in" } */
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+}
--- gcc/testsuite/g++.dg/gomp/linear-1.C.jj 2015-10-12 11:37:13.327880757 +0200
+++ gcc/testsuite/g++.dg/gomp/linear-1.C 2015-10-12 11:39:16.052024819 +0200
@@ -0,0 +1,48 @@
+// { dg-do compile }
+// { dg-options "-fopenmp" }
+
+int i;
+
+#pragma omp declare simd linear (ref (x) : 1) linear (uval (y) : 2)
+int bar (int &x, int &y, int z);
+
+void
+foo (int &x, int &y)
+{
+ #pragma omp simd linear (x: y + 1)
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+ #pragma omp simd linear (val (x): y + 1) // { dg-error "modifier should not be specified in" }
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+ #pragma omp simd linear (ref (x): y + 1) // { dg-error "modifier should not be specified in" }
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+ #pragma omp simd linear (uval (x): y + 1) // { dg-error "modifier should not be specified in" }
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+ #pragma omp for linear (x: y + 1)
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+ #pragma omp for linear (val (x): y + 1) // { dg-error "modifier should not be specified in" }
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+ #pragma omp for linear (ref (x): y + 1) // { dg-error "modifier should not be specified in" }
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+ #pragma omp for linear (uval (x): y + 1) // { dg-error "modifier should not be specified in" }
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+ #pragma omp for simd linear (x: y + 1)
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+ #pragma omp for simd linear (val (x): y + 1) // { dg-error "modifier should not be specified in" }
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+ #pragma omp for simd linear (ref (x): y + 1) // { dg-error "modifier should not be specified in" }
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+ #pragma omp for simd linear (uval (x): y + 1) // { dg-error "modifier should not be specified in" }
+ for (i = 0; i < 10; i++)
+ x += y + 1;
+}
Jakub
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