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-rw-r--r--gcc/fortran/dump-parse-tree.cc6
-rw-r--r--gcc/fortran/gfortran.h6
-rw-r--r--gcc/fortran/module.cc6
-rw-r--r--gcc/fortran/openmp.cc163
-rw-r--r--gcc/fortran/trans-openmp.cc5
-rw-r--r--gcc/testsuite/c-c++-common/gomp/linear-4.c34
-rw-r--r--gcc/testsuite/gfortran.dg/gomp/linear-2.f90112
-rw-r--r--gcc/testsuite/gfortran.dg/gomp/linear-3.f9039
-rw-r--r--gcc/testsuite/gfortran.dg/gomp/linear-4.f90102
-rw-r--r--gcc/testsuite/gfortran.dg/gomp/linear-5.f9043
-rw-r--r--gcc/testsuite/gfortran.dg/gomp/linear-6.f9054
-rw-r--r--gcc/testsuite/gfortran.dg/gomp/linear-7.f9027
-rw-r--r--gcc/testsuite/gfortran.dg/gomp/linear-8.f9044
-rw-r--r--libgomp/libgomp.texi2
14 files changed, 613 insertions, 30 deletions
diff --git a/gcc/fortran/dump-parse-tree.cc b/gcc/fortran/dump-parse-tree.cc
index 85c0b98..5352008 100644
--- a/gcc/fortran/dump-parse-tree.cc
+++ b/gcc/fortran/dump-parse-tree.cc
@@ -1421,8 +1421,8 @@ show_omp_namelist (int list_type, gfc_omp_namelist *n)
case OMP_MAP_RELEASE: fputs ("release:", dumpfile); break;
default: break;
}
- else if (list_type == OMP_LIST_LINEAR)
- switch (n->u.linear_op)
+ else if (list_type == OMP_LIST_LINEAR && n->u.linear.old_modifier)
+ switch (n->u.linear.op)
{
case OMP_LINEAR_REF: fputs ("ref(", dumpfile); break;
case OMP_LINEAR_VAL: fputs ("val(", dumpfile); break;
@@ -1430,7 +1430,7 @@ show_omp_namelist (int list_type, gfc_omp_namelist *n)
default: break;
}
fprintf (dumpfile, "%s", n->sym ? n->sym->name : "omp_all_memory");
- if (list_type == OMP_LIST_LINEAR && n->u.linear_op != OMP_LINEAR_DEFAULT)
+ if (list_type == OMP_LIST_LINEAR && n->u.linear.op != OMP_LINEAR_DEFAULT)
fputc (')', dumpfile);
if (n->expr)
{
diff --git a/gcc/fortran/gfortran.h b/gcc/fortran/gfortran.h
index 463d969..696aadd 100644
--- a/gcc/fortran/gfortran.h
+++ b/gcc/fortran/gfortran.h
@@ -1345,7 +1345,11 @@ typedef struct gfc_omp_namelist
gfc_omp_reduction_op reduction_op;
gfc_omp_depend_op depend_op;
gfc_omp_map_op map_op;
- gfc_omp_linear_op linear_op;
+ struct
+ {
+ ENUM_BITFIELD (gfc_omp_linear_op) op:4;
+ bool old_modifier;
+ } linear;
struct gfc_common_head *common;
bool lastprivate_conditional;
} u;
diff --git a/gcc/fortran/module.cc b/gcc/fortran/module.cc
index 85aa153..5ddabdc 100644
--- a/gcc/fortran/module.cc
+++ b/gcc/fortran/module.cc
@@ -4383,10 +4383,10 @@ mio_omp_declare_simd (gfc_namespace *ns, gfc_omp_declare_simd **odsp)
}
for (n = ods->clauses->lists[OMP_LIST_LINEAR]; n; n = n->next)
{
- if (n->u.linear_op == OMP_LINEAR_DEFAULT)
+ if (n->u.linear.op == OMP_LINEAR_DEFAULT)
mio_name (4, omp_declare_simd_clauses);
else
- mio_name (32 + n->u.linear_op, omp_declare_simd_clauses);
+ mio_name (32 + n->u.linear.op, omp_declare_simd_clauses);
mio_symbol_ref (&n->sym);
mio_expr (&n->expr);
}
@@ -4438,7 +4438,7 @@ mio_omp_declare_simd (gfc_namespace *ns, gfc_omp_declare_simd **odsp)
case 34:
case 35:
*ptrs[1] = n = gfc_get_omp_namelist ();
- n->u.linear_op = (enum gfc_omp_linear_op) (t - 32);
+ n->u.linear.op = (enum gfc_omp_linear_op) (t - 32);
t = 4;
goto finish_namelist;
}
diff --git a/gcc/fortran/openmp.cc b/gcc/fortran/openmp.cc
index 51b429a..bd4ff25 100644
--- a/gcc/fortran/openmp.cc
+++ b/gcc/fortran/openmp.cc
@@ -2324,6 +2324,7 @@ gfc_match_omp_clauses (gfc_omp_clauses **cp, const omp_mask mask,
if ((mask & OMP_CLAUSE_LINEAR)
&& gfc_match ("linear (") == MATCH_YES)
{
+ bool old_linear_modifier = false;
gfc_omp_linear_op linear_op = OMP_LINEAR_DEFAULT;
gfc_expr *step = NULL;
@@ -2331,17 +2332,26 @@ gfc_match_omp_clauses (gfc_omp_clauses **cp, const omp_mask mask,
&c->lists[OMP_LIST_LINEAR],
false, NULL, &head)
== MATCH_YES)
- linear_op = OMP_LINEAR_REF;
+ {
+ linear_op = OMP_LINEAR_REF;
+ old_linear_modifier = true;
+ }
else if (gfc_match_omp_variable_list (" val (",
&c->lists[OMP_LIST_LINEAR],
false, NULL, &head)
== MATCH_YES)
- linear_op = OMP_LINEAR_VAL;
+ {
+ linear_op = OMP_LINEAR_VAL;
+ old_linear_modifier = true;
+ }
else if (gfc_match_omp_variable_list (" uval (",
&c->lists[OMP_LIST_LINEAR],
false, NULL, &head)
== MATCH_YES)
- linear_op = OMP_LINEAR_UVAL;
+ {
+ linear_op = OMP_LINEAR_UVAL;
+ old_linear_modifier = true;
+ }
else if (gfc_match_omp_variable_list ("",
&c->lists[OMP_LIST_LINEAR],
false, &end_colon, &head)
@@ -2364,14 +2374,114 @@ gfc_match_omp_clauses (gfc_omp_clauses **cp, const omp_mask mask,
break;
}
}
- if (end_colon && gfc_match (" %e )", &step) != MATCH_YES)
+ gfc_gobble_whitespace ();
+ if (old_linear_modifier && end_colon)
{
- gfc_free_omp_namelist (*head, false);
- gfc_current_locus = old_loc;
- *head = NULL;
- break;
+ if (gfc_match (" %e )", &step) != MATCH_YES)
+ {
+ gfc_free_omp_namelist (*head, false);
+ gfc_current_locus = old_loc;
+ *head = NULL;
+ goto error;
+ }
}
- else if (!end_colon)
+ else if (end_colon)
+ {
+ bool has_error = false;
+ bool has_modifiers = false;
+ bool has_step = false;
+ bool duplicate_step = false;
+ bool duplicate_mod = false;
+ while (true)
+ {
+ old_loc = gfc_current_locus;
+ bool close_paren = gfc_match ("val )") == MATCH_YES;
+ if (close_paren || gfc_match ("val , ") == MATCH_YES)
+ {
+ if (linear_op != OMP_LINEAR_DEFAULT)
+ {
+ duplicate_mod = true;
+ break;
+ }
+ linear_op = OMP_LINEAR_VAL;
+ has_modifiers = true;
+ if (close_paren)
+ break;
+ continue;
+ }
+ close_paren = gfc_match ("uval )") == MATCH_YES;
+ if (close_paren || gfc_match ("uval , ") == MATCH_YES)
+ {
+ if (linear_op != OMP_LINEAR_DEFAULT)
+ {
+ duplicate_mod = true;
+ break;
+ }
+ linear_op = OMP_LINEAR_UVAL;
+ has_modifiers = true;
+ if (close_paren)
+ break;
+ continue;
+ }
+ close_paren = gfc_match ("ref )") == MATCH_YES;
+ if (close_paren || gfc_match ("ref , ") == MATCH_YES)
+ {
+ if (linear_op != OMP_LINEAR_DEFAULT)
+ {
+ duplicate_mod = true;
+ break;
+ }
+ linear_op = OMP_LINEAR_REF;
+ has_modifiers = true;
+ if (close_paren)
+ break;
+ continue;
+ }
+ close_paren = (gfc_match ("step ( %e ) )", &step)
+ == MATCH_YES);
+ if (close_paren
+ || gfc_match ("step ( %e ) , ", &step) == MATCH_YES)
+ {
+ if (has_step)
+ {
+ duplicate_step = true;
+ break;
+ }
+ has_modifiers = has_step = true;
+ if (close_paren)
+ break;
+ continue;
+ }
+ if (!has_modifiers
+ && gfc_match ("%e )", &step) == MATCH_YES)
+ {
+ if ((step->expr_type == EXPR_FUNCTION
+ || step->expr_type == EXPR_VARIABLE)
+ && strcmp (step->symtree->name, "step") == 0)
+ {
+ gfc_current_locus = old_loc;
+ gfc_match ("step (");
+ has_error = true;
+ }
+ break;
+ }
+ has_error = true;
+ break;
+ }
+ if (duplicate_mod || duplicate_step)
+ {
+ gfc_error ("Multiple %qs modifiers specified at %C",
+ duplicate_mod ? "linear" : "step");
+ has_error = true;
+ }
+ if (has_error)
+ {
+ gfc_free_omp_namelist (*head, false);
+ *head = NULL;
+ goto error;
+ }
+ }
+ else
{
step = gfc_get_constant_expr (BT_INTEGER,
gfc_default_integer_kind,
@@ -2379,9 +2489,12 @@ gfc_match_omp_clauses (gfc_omp_clauses **cp, const omp_mask mask,
mpz_set_si (step->value.integer, 1);
}
(*head)->expr = step;
- if (linear_op != OMP_LINEAR_DEFAULT)
+ if (linear_op != OMP_LINEAR_DEFAULT || old_linear_modifier)
for (gfc_omp_namelist *n = *head; n; n = n->next)
- n->u.linear_op = linear_op;
+ {
+ n->u.linear.op = linear_op;
+ n->u.linear.old_modifier = old_linear_modifier;
+ }
continue;
}
if ((mask & OMP_CLAUSE_LINK)
@@ -7439,28 +7552,38 @@ resolve_omp_clauses (gfc_code *code, gfc_omp_clauses *omp_clauses,
break;
case OMP_LIST_LINEAR:
if (code
- && n->u.linear_op != OMP_LINEAR_DEFAULT
- && n->u.linear_op != linear_op)
+ && n->u.linear.op != OMP_LINEAR_DEFAULT
+ && n->u.linear.op != linear_op)
{
- gfc_error ("LINEAR clause modifier used on DO or SIMD"
- " construct at %L", &n->where);
- linear_op = n->u.linear_op;
+ if (n->u.linear.old_modifier)
+ {
+ gfc_error ("LINEAR clause modifier used on DO or "
+ "SIMD construct at %L", &n->where);
+ linear_op = n->u.linear.op;
+ }
+ else if (n->u.linear.op != OMP_LINEAR_VAL)
+ {
+ gfc_error ("LINEAR clause modifier other than VAL "
+ "used on DO or SIMD construct at %L",
+ &n->where);
+ linear_op = n->u.linear.op;
+ }
}
else if (omp_clauses->orderedc)
gfc_error ("LINEAR clause specified together with "
"ORDERED clause with argument at %L",
&n->where);
- else if (n->u.linear_op != OMP_LINEAR_REF
+ else if (n->u.linear.op != OMP_LINEAR_REF
&& n->sym->ts.type != BT_INTEGER)
gfc_error ("LINEAR variable %qs must be INTEGER "
"at %L", n->sym->name, &n->where);
- else if ((n->u.linear_op == OMP_LINEAR_REF
- || n->u.linear_op == OMP_LINEAR_UVAL)
+ else if ((n->u.linear.op == OMP_LINEAR_REF
+ || n->u.linear.op == OMP_LINEAR_UVAL)
&& n->sym->attr.value)
gfc_error ("LINEAR dummy argument %qs with VALUE "
"attribute with %s modifier at %L",
n->sym->name,
- n->u.linear_op == OMP_LINEAR_REF
+ n->u.linear.op == OMP_LINEAR_REF
? "REF" : "UVAL", &n->where);
else if (n->expr)
{
diff --git a/gcc/fortran/trans-openmp.cc b/gcc/fortran/trans-openmp.cc
index c6a584d..de27ed5 100644
--- a/gcc/fortran/trans-openmp.cc
+++ b/gcc/fortran/trans-openmp.cc
@@ -2751,7 +2751,7 @@ gfc_trans_omp_clauses (stmtblock_t *block, gfc_omp_clauses *clauses,
OMP_CLAUSE_LINEAR);
OMP_CLAUSE_DECL (node) = t;
omp_clause_linear_kind kind;
- switch (n->u.linear_op)
+ switch (n->u.linear.op)
{
case OMP_LINEAR_DEFAULT:
kind = OMP_CLAUSE_LINEAR_DEFAULT;
@@ -2769,7 +2769,8 @@ gfc_trans_omp_clauses (stmtblock_t *block, gfc_omp_clauses *clauses,
gcc_unreachable ();
}
OMP_CLAUSE_LINEAR_KIND (node) = kind;
- OMP_CLAUSE_LINEAR_OLD_LINEAR_MODIFIER (node) = 1;
+ OMP_CLAUSE_LINEAR_OLD_LINEAR_MODIFIER (node)
+ = n->u.linear.old_modifier;
if (last_step_expr && last_step == NULL_TREE)
{
if (!declare_simd)
diff --git a/gcc/testsuite/c-c++-common/gomp/linear-4.c b/gcc/testsuite/c-c++-common/gomp/linear-4.c
new file mode 100644
index 0000000..59c22b8
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/gomp/linear-4.c
@@ -0,0 +1,34 @@
+/* { dg-do compile } */
+/* { dg-options "-fopenmp" } */
+
+int step (int x, int y, int z) { return x + y + z; }
+
+int
+foo (int x)
+{
+ int i;
+ #pragma omp parallel for linear (x : step (step (1, 2, 3)))
+ for (i = 0; i < 64; i++)
+ x += 6;
+ return x;
+}
+
+int
+bar (int x)
+{
+ int i;
+ #pragma omp parallel for linear (x : step (1, 2, 3)) /* { dg-error "expected" } */
+ for (i = 0; i < 64; i++)
+ x += 6;
+ return x;
+}
+
+int
+bar2 (int x)
+{
+ int i;
+ #pragma omp parallel for linear (x : step (1, 2, 3) * 1)
+ for (i = 0; i < 64; i++)
+ x += 6;
+ return x;
+}
diff --git a/gcc/testsuite/gfortran.dg/gomp/linear-2.f90 b/gcc/testsuite/gfortran.dg/gomp/linear-2.f90
new file mode 100644
index 0000000..05f007f
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/gomp/linear-2.f90
@@ -0,0 +1,112 @@
+! { dg-do compile }
+! { dg-options "-fopenmp -fdump-tree-original" }
+
+module m
+ implicit none (type, external)
+
+ integer i
+
+ interface
+ integer function bar (x, y, z)
+ integer, value :: x, y, z
+ !$omp declare simd linear (x : val, step (1)) linear (y : step (2))
+ end
+
+ integer function baz (x, y, z)
+ integer, value :: x, y, z
+ !$omp declare simd linear (x : step (1), val)
+ end
+
+ integer function qux (x, val)
+ integer, value :: x, val
+ !$omp declare simd linear (val (x) : val) uniform (val)
+ end
+
+ integer function corge (x, val)
+ integer, value :: x, val
+ !$omp declare simd linear (x : val, step (val)) uniform (val)
+ end
+
+ integer function grault (x)
+ integer, value :: x
+ !$omp declare simd linear (x : val)
+ end
+
+ integer function step (x)
+ integer, value :: x
+ end
+ end interface
+
+contains
+
+subroutine foo (x,y)
+ integer :: x, y
+ integer :: val
+
+ val = 1
+
+ !$omp simd linear (i: step (3))
+ do i = 0, 32, 3
+ end do
+
+ !$omp simd linear (i: val, step (3))
+ do i = 0, 32, 3
+ end do
+
+ !$omp simd linear (x: step (y + 1))
+ do i = 0, 9
+ x = x + y + 1
+ end do
+
+ !$omp simd linear (x: step (y + 1), val)
+ do i = 0, 9
+ x = x + y + 1
+ end do
+
+ !$omp parallel do linear (x: step (y + 1))
+ do i = 0, 9
+ x = x + y + 1
+ end do
+
+ !$omp parallel do linear (x: val, step (y + 1))
+ do i = 0, 9
+ x = x + y + 1
+ end do
+
+ !$omp parallel do simd linear (i: step (3))
+ do i = 0, 32, 3
+ end do
+
+ !$omp parallel do simd linear (i: step (3), val)
+ do i = 0, 32, 3
+ end do
+
+ !$omp parallel do simd linear (x: step (y + 1))
+ do i = 0, 9
+ x = x + y + 1
+ end do
+
+ !$omp parallel do simd linear (x: val, step (y + 1))
+ do i = 0, 9
+ x = x + y + 1
+ end do
+
+ !$omp parallel do simd linear (i: val + 0)
+ do i = 0, 9
+ end do
+
+ !$omp parallel do simd linear (i: step (1) * 1)
+ do i = 0, 9
+ end do
+end
+end module
+
+! { dg-final { scan-tree-dump-times "#pragma omp parallel" 8 "original" } }
+! { dg-final { scan-tree-dump-times "#pragma omp for nowait" 6 "original" } }
+! { dg-final { scan-tree-dump-times "#pragma omp for linear\\(x:D\\.\[0-9\]+\\) nowait" 1 "original" } }
+! { dg-final { scan-tree-dump-times "#pragma omp for linear\\(x:val,step\\(D\\.\[0-9\]+\\)\\) nowait" 1 "original" } }
+! { dg-final { scan-tree-dump-times "#pragma omp simd linear\\(count\\.\[0-9\]:1\\) linear\\(i:3\\)" 2 "original" } }
+! { dg-final { scan-tree-dump-times "#pragma omp simd linear\\(count\\.\[0-9\]:1\\) linear\\(i:val,step\\(3\\)\\)" 2 "original" } }
+! { dg-final { scan-tree-dump-times "#pragma omp simd linear\\(i:1\\) linear\\(x:D\\.\[0-9\]+\\)" 2 "original" } }
+! { dg-final { scan-tree-dump-times "#pragma omp simd linear\\(i:1\\) linear\\(x:val,step\\(D\\.\[0-9\]+\\)\\)" 2 "original" } }
+! { dg-final { scan-tree-dump-times "#pragma omp simd linear\\(i:D\\.\[0-9\]+\\)" 2 "original" } }
diff --git a/gcc/testsuite/gfortran.dg/gomp/linear-3.f90 b/gcc/testsuite/gfortran.dg/gomp/linear-3.f90
new file mode 100644
index 0000000..dee87b1
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/gomp/linear-3.f90
@@ -0,0 +1,39 @@
+! { dg-do compile }
+! { dg-options "-fopenmp" }
+
+module m2
+ implicit none (type, external)
+
+ integer :: val
+
+contains
+integer function step (x)
+ integer, value :: x
+end
+subroutine foo(x)
+ integer, value :: x
+ !$omp declare simd linear (val (x) : step (1)) ! { dg-error "requires a constant integer linear-step expression or dummy argument" }
+end
+end module m2
+
+
+module m
+ implicit none (type, external)
+
+ integer :: val
+
+contains
+integer function step (x)
+ integer, value :: x
+ !$omp declare simd linear (val (x) : step (1)) ! { dg-error "Failed to match clause" }
+end
+
+integer function bar (x, y, z)
+ integer, value :: x, y, z
+ !$omp declare simd linear (val (x) : val) ! { dg-error "requires a constant integer linear-step expression or dummy argument" }
+end
+
+integer function baz (x, y, z)
+ integer, value :: x, y, z
+end
+end module m
diff --git a/gcc/testsuite/gfortran.dg/gomp/linear-4.f90 b/gcc/testsuite/gfortran.dg/gomp/linear-4.f90
new file mode 100644
index 0000000..ac532f8
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/gomp/linear-4.f90
@@ -0,0 +1,102 @@
+! { dg-do compile }
+! { dg-options "-fopenmp" }
+
+module m
+implicit none
+
+integer :: i
+
+interface
+ integer function bar (x, y, z)
+ integer :: x, y
+ integer, value :: z
+ !$omp declare simd linear (x : ref, step (1)) linear (y : step (2), uval)
+ end
+
+ integer function baz (x, y, z)
+ integer :: x
+ integer, value :: y, z
+ !$omp declare simd linear (x : step (1), uval)
+ end
+
+ integer function qux (x, ref)
+ integer :: x
+ integer, value :: ref
+ !$omp declare simd linear (ref (x) : ref) uniform (ref)
+ end
+
+ integer function corge (x, ref)
+ integer :: x
+ integer, value :: ref
+ !$omp declare simd linear (x : ref, step (ref)) uniform (ref)
+ end
+
+ integer function grault (x)
+ integer :: x
+ !$omp declare simd linear (x : ref)
+ end
+
+ integer function waldo (x)
+ integer :: x
+ !$omp declare simd linear (x : uval)
+ end
+end interface
+
+contains
+
+integer function step (x)
+ integer, value :: x
+ step = x
+end
+
+subroutine foo (x, y)
+ integer :: x, y
+ !$omp simd linear (x: step (y + 1))
+ do i = 0, 9
+ x = x + y + 1
+ end do
+
+ !$omp simd linear (x: val, step (y + 1))
+ do i = 0, 9
+ x = x + y + 1
+ end do
+
+ !$omp parallel do linear (x: step (y + 1))
+ do i = 0, 9
+ x = x + y + 1
+ end do
+
+ !$omp parallel do linear (x: step (y + 1), val)
+ do i = 0, 9
+ x = x + y + 1
+ end do
+
+ !$omp parallel do simd linear (x: step (y + 1))
+ do i = 0, 9
+ x = x + y + 1
+ end do
+
+ !$omp parallel do simd linear (x: val, step (y + 1))
+ do i = 0, 9
+ x = x + y + 1
+ end do
+
+ !$omp parallel do simd linear (x: step (1) + 0)
+ do i = 0, 9
+ x = x + step (1) + 0
+ end do
+
+ block
+ integer, parameter :: ref = 1, uval = 2
+ !$omp parallel do simd linear (x: ref + 0)
+ do i = 0, 9
+ x = x + ref + 0
+ end do
+
+ !$omp parallel do simd linear (x: uval * 1)
+ do i = 0, 9
+ x = x + uval
+ end do
+ end block
+end
+end
diff --git a/gcc/testsuite/gfortran.dg/gomp/linear-5.f90 b/gcc/testsuite/gfortran.dg/gomp/linear-5.f90
new file mode 100644
index 0000000..b00492d
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/gomp/linear-5.f90
@@ -0,0 +1,43 @@
+! { dg-do compile }
+! { dg-options "-fopenmp" }
+
+module m
+implicit none
+integer :: i
+
+contains
+
+subroutine foo (x, y)
+ integer :: x, y
+
+ !$omp simd linear (x: step (y + 1), ref) ! { dg-error "LINEAR clause modifier other than VAL used on DO or SIMD construct" }
+ do i = 0, 10
+ x = x + y + 1
+ end do
+
+ !$omp simd linear (x: uval, step (y + 1)) ! { dg-error "LINEAR clause modifier other than VAL used on DO or SIMD construct" }
+ do i = 0, 10
+ x = x + y + 1
+ end do
+
+ !$omp parallel do linear (x: ref, step (y + 1)) ! { dg-error "LINEAR clause modifier other than VAL used on DO or SIMD construct" }
+ do i = 0, 10
+ x = x + y + 1
+ end do
+
+ !$omp parallel do linear (x: step (y + 1), uval) ! { dg-error "LINEAR clause modifier other than VAL used on DO or SIMD construct" }
+ do i = 0, 10
+ x = x + y + 1
+ end do
+
+ !$omp parallel do simd linear (x: step (y + 1), ref) ! { dg-error "LINEAR clause modifier other than VAL used on DO or SIMD construct" }
+ do i = 0, 10
+ x = x + y + 1
+ end do
+
+ !$omp parallel do simd linear (x: uval, step (y + 1)) ! { dg-error "LINEAR clause modifier other than VAL used on DO or SIMD construct" }
+ do i = 0, 10
+ x = x + y + 1
+ end do
+end
+end
diff --git a/gcc/testsuite/gfortran.dg/gomp/linear-6.f90 b/gcc/testsuite/gfortran.dg/gomp/linear-6.f90
new file mode 100644
index 0000000..57693ba
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/gomp/linear-6.f90
@@ -0,0 +1,54 @@
+! { dg-do compile }
+! { dg-options "-fopenmp" }
+
+module m
+implicit none
+integer, parameter :: val = 1
+integer, parameter :: ref = 2
+integer, parameter :: uval = 3
+
+interface
+ integer function foo (x, y, z)
+ import
+ implicit none
+ integer, value :: x
+ integer :: y, z
+ !$omp declare simd linear (val (x) : step (1)) linear (ref (y) : step (2)) linear (uval (z) : step (3))
+
+! STEP is a function - thus:
+! { dg-error "'x' in LINEAR clause at .1. requires a constant integer linear-step expression or dummy argument specified in UNIFORM clause" "" { target *-*-* } .-3 }
+! { dg-error "'y' in LINEAR clause at .1. requires a constant integer linear-step expression or dummy argument specified in UNIFORM clause" "" { target *-*-* } .-4 }
+! { dg-error "'z' in LINEAR clause at .1. requires a constant integer linear-step expression or dummy argument specified in UNIFORM clause" "" { target *-*-* } .-5 }
+
+ end
+
+ integer function bar (x, y, z)
+ import
+ implicit none
+ integer, value :: x
+ integer :: y, z
+ !$omp declare simd linear (val (x) : val) linear (ref (y) : ref) linear (uval (z) : uval)
+ end
+
+ integer function baz (x, y, z)
+ import
+ implicit none
+ integer, value :: x
+ integer :: y, z
+ !$omp declare simd linear (val (x) : ref) linear (ref (y) : uval) linear (uval (z) : val)
+ end
+
+ integer function qux (x, y, z)
+ import
+ implicit none
+ integer, value :: x
+ integer :: y, z
+ !$omp declare simd linear (val (x) : uval) linear (ref (y) : val) linear (uval (z) : ref)
+ end
+end interface
+contains
+ integer function step (x)
+ integer, value :: x
+ step = x
+ end
+end module
diff --git a/gcc/testsuite/gfortran.dg/gomp/linear-7.f90 b/gcc/testsuite/gfortran.dg/gomp/linear-7.f90
new file mode 100644
index 0000000..5e763a9
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/gomp/linear-7.f90
@@ -0,0 +1,27 @@
+! { dg-do compile }
+! { dg-options "-fopenmp" }
+
+module m
+ implicit none (type, external)
+
+ integer i
+
+ interface
+ integer function s1 (x, y, z)
+ integer, value :: x, y, z
+ !$omp declare simd linear (x : val, step (1), val) ! { dg-error "Multiple 'linear' modifiers specified" }
+ end
+
+ integer function s2 (x, y, z)
+ integer, value :: x, y, z
+ !$omp declare simd linear (x : val, step (1), step(2)) ! { dg-error "Multiple 'step' modifiers specified" }
+ end
+
+ integer function s3 (x, y, z)
+ integer, value :: x, y, z
+ !$omp declare simd linear (x : val, ref, step(2)) ! { dg-error "Multiple 'linear' modifiers specified" }
+ end
+
+ end interface
+
+end module
diff --git a/gcc/testsuite/gfortran.dg/gomp/linear-8.f90 b/gcc/testsuite/gfortran.dg/gomp/linear-8.f90
new file mode 100644
index 0000000..d23dd84
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/gomp/linear-8.f90
@@ -0,0 +1,44 @@
+! { dg-do compile }
+! { dg-options "-fopenmp" }
+
+module m
+ implicit none (type, external)
+
+ interface
+ integer function step (x, y, z)
+ integer :: x, y, z
+ end function step
+ end interface
+
+contains
+
+integer function foo (x)
+ integer, value :: x
+ integer :: i
+ !$omp parallel do linear (x : step (step (1, 2, 3)))
+ do i = 0, 63
+ x = x + 6
+ end do
+ foo = x
+end
+
+integer function bar (x)
+ integer, value :: x
+ integer :: i
+ !$omp parallel do linear (x : step (1, 2, 3)) ! { dg-error "40: Invalid character in name" }
+ do i = 0, 63
+ x = x + 6
+ end do
+ bar = x
+end
+
+integer function bar2 (x)
+ integer, value :: x
+ integer :: i
+ !$omp parallel do linear (x : step (1, 2, 3) * 1)
+ do i = 0, 63
+ x = x + 6
+ end do
+ bar2 = x
+end
+end module
diff --git a/libgomp/libgomp.texi b/libgomp/libgomp.texi
index 39426ff..e88fe89 100644
--- a/libgomp/libgomp.texi
+++ b/libgomp/libgomp.texi
@@ -363,7 +363,7 @@ to address of matching mapped list item per 5.1, Sect. 2.21.7.2 @tab N @tab
@item Clauses on @code{end} directive can be on directive @tab N @tab
@item Deprecation of no-argument @code{destroy} clause on @code{depobj}
@tab N @tab
-@item @code{linear} clause syntax changes and @code{step} modifier @tab P @tab only C/C++
+@item @code{linear} clause syntax changes and @code{step} modifier @tab Y @tab
@item Deprecation of minus operator for reductions @tab N @tab
@item Deprecation of separating @code{map} modifiers without comma @tab N @tab
@item @code{declare mapper} with iterator and @code{present} modifiers
generated by cgit v1.1 at 2024-09-28 17:35:11 +0000