[PATCH][CilkPlus] Fix PR69363
Ilya Verbin
iverbin@gmail.com
Wed Feb 17 14:33:00 GMT 2016
Hi!
This patch fixes <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69363>
Bootstrap and make check passed. OK for... stage 1?
gcc/c-family/
PR c++/69363
* c-cilkplus.c (c_finish_cilk_clauses): Remove function.
* c-common.h (c_finish_cilk_clauses): Remove declaration.
gcc/c/
PR c++/69363
* c-parser.c (c_parser_cilk_all_clauses): Use c_finish_omp_clauses
instead of c_finish_cilk_clauses.
* c-tree.h (c_finish_omp_clauses): Add new default argument.
* c-typeck.c (c_finish_omp_clauses): Add new argument. Allow
floating-point variables in the linear clause for Cilk Plus.
gcc/cp/
PR c++/69363
* cp-tree.h (finish_omp_clauses): Add new default argument.
* parser.c (cp_parser_cilk_simd_all_clauses): Use finish_omp_clauses
instead of c_finish_cilk_clauses.
* semantics.c (finish_omp_clauses): Add new argument. Allow
floating-point variables in the linear clause for Cilk Plus.
gcc/testsuite/
PR c++/69363
* c-c++-common/cilk-plus/PS/clauses3.c: Adjust dg-error string.
* c-c++-common/cilk-plus/PS/clauses4.c: New test.
* c-c++-common/cilk-plus/PS/pr69363.c: New test.
diff --git a/gcc/c-family/c-cilkplus.c b/gcc/c-family/c-cilkplus.c
index 3e7902fd..9f1f364 100644
--- a/gcc/c-family/c-cilkplus.c
+++ b/gcc/c-family/c-cilkplus.c
@@ -41,56 +41,6 @@ c_check_cilk_loop (location_t loc, tree decl)
return true;
}
-/* Validate and emit code for <#pragma simd> clauses. */
-
-tree
-c_finish_cilk_clauses (tree clauses)
-{
- for (tree c = clauses; c; c = OMP_CLAUSE_CHAIN (c))
- {
- tree prev = clauses;
-
- /* If a variable appears in a linear clause it cannot appear in
- any other OMP clause. */
- if (OMP_CLAUSE_CODE (c) == OMP_CLAUSE_LINEAR)
- for (tree c2 = clauses; c2; c2 = OMP_CLAUSE_CHAIN (c2))
- {
- if (c == c2)
- continue;
- enum omp_clause_code code = OMP_CLAUSE_CODE (c2);
-
- switch (code)
- {
- case OMP_CLAUSE_LINEAR:
- case OMP_CLAUSE_PRIVATE:
- case OMP_CLAUSE_FIRSTPRIVATE:
- case OMP_CLAUSE_LASTPRIVATE:
- case OMP_CLAUSE_REDUCTION:
- break;
-
- case OMP_CLAUSE_SAFELEN:
- goto next;
-
- default:
- gcc_unreachable ();
- }
-
- if (OMP_CLAUSE_DECL (c) == OMP_CLAUSE_DECL (c2))
- {
- error_at (OMP_CLAUSE_LOCATION (c2),
- "variable appears in more than one clause");
- inform (OMP_CLAUSE_LOCATION (c),
- "other clause defined here");
- // Remove problematic clauses.
- OMP_CLAUSE_CHAIN (prev) = OMP_CLAUSE_CHAIN (c2);
- }
- next:
- prev = c2;
- }
- }
- return clauses;
-}
-
/* Calculate number of iterations of CILK_FOR. */
tree
diff --git a/gcc/c-family/c-common.h b/gcc/c-family/c-common.h
index fa3746c..663e457 100644
--- a/gcc/c-family/c-common.h
+++ b/gcc/c-family/c-common.h
@@ -1369,7 +1369,6 @@ extern enum stv_conv scalar_to_vector (location_t loc, enum tree_code code,
tree op0, tree op1, bool);
/* In c-cilkplus.c */
-extern tree c_finish_cilk_clauses (tree);
extern tree c_validate_cilk_plus_loop (tree *, int *, void *);
extern bool c_check_cilk_loop (location_t, tree);
diff --git a/gcc/c/c-parser.c b/gcc/c/c-parser.c
index 7a27244..4770f45d 100644
--- a/gcc/c/c-parser.c
+++ b/gcc/c/c-parser.c
@@ -17427,7 +17427,7 @@ c_parser_cilk_all_clauses (c_parser *parser)
saw_error:
c_parser_skip_to_pragma_eol (parser);
- return c_finish_cilk_clauses (clauses);
+ return c_finish_omp_clauses (clauses, false, false, true);
}
/* This function helps parse the grainsize pragma for a _Cilk_for statement.
diff --git a/gcc/c/c-tree.h b/gcc/c/c-tree.h
index 96ab049..8bfd256 100644
--- a/gcc/c/c-tree.h
+++ b/gcc/c/c-tree.h
@@ -661,7 +661,7 @@ extern tree c_begin_omp_task (void);
extern tree c_finish_omp_task (location_t, tree, tree);
extern void c_finish_omp_cancel (location_t, tree);
extern void c_finish_omp_cancellation_point (location_t, tree);
-extern tree c_finish_omp_clauses (tree, bool, bool = false);
+extern tree c_finish_omp_clauses (tree, bool, bool = false, bool = false);
extern tree c_build_va_arg (location_t, tree, location_t, tree);
extern tree c_finish_transaction (location_t, tree, int);
extern bool c_tree_equal (tree, tree);
diff --git a/gcc/c/c-typeck.c b/gcc/c/c-typeck.c
index 1122a88..d91bd72 100644
--- a/gcc/c/c-typeck.c
+++ b/gcc/c/c-typeck.c
@@ -12527,7 +12527,8 @@ c_find_omp_placeholder_r (tree *tp, int *, void *data)
Remove any elements from the list that are invalid. */
tree
-c_finish_omp_clauses (tree clauses, bool is_omp, bool declare_simd)
+c_finish_omp_clauses (tree clauses, bool is_omp, bool declare_simd,
+ bool is_cilk)
{
bitmap_head generic_head, firstprivate_head, lastprivate_head;
bitmap_head aligned_head, map_head, map_field_head;
@@ -12809,14 +12810,31 @@ c_finish_omp_clauses (tree clauses, bool is_omp, bool declare_simd)
"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)
+ if (is_cilk)
{
- error_at (OMP_CLAUSE_LOCATION (c),
- "linear clause applied to non-integral non-pointer "
- "variable with type %qT", TREE_TYPE (t));
- remove = true;
- break;
+ if (!INTEGRAL_TYPE_P (TREE_TYPE (t))
+ && !SCALAR_FLOAT_TYPE_P (TREE_TYPE (t))
+ && TREE_CODE (TREE_TYPE (t)) != POINTER_TYPE)
+ {
+ error_at (OMP_CLAUSE_LOCATION (c),
+ "linear clause applied to non-integral, "
+ "non-floating, non-pointer variable with type %qT",
+ TREE_TYPE (t));
+ remove = true;
+ break;
+ }
+ }
+ else
+ {
+ if (!INTEGRAL_TYPE_P (TREE_TYPE (t))
+ && TREE_CODE (TREE_TYPE (t)) != POINTER_TYPE)
+ {
+ error_at (OMP_CLAUSE_LOCATION (c),
+ "linear clause applied to non-integral non-pointer "
+ "variable with type %qT", TREE_TYPE (t));
+ remove = true;
+ break;
+ }
}
if (declare_simd)
{
diff --git a/gcc/cp/cp-tree.h b/gcc/cp/cp-tree.h
index 3b91089..e44fb7f 100644
--- a/gcc/cp/cp-tree.h
+++ b/gcc/cp/cp-tree.h
@@ -6417,7 +6417,7 @@ extern tree omp_reduction_id (enum tree_code, tree, tree);
extern tree cp_remove_omp_priv_cleanup_stmt (tree *, int *, void *);
extern void cp_check_omp_declare_reduction (tree);
extern void finish_omp_declare_simd_methods (tree);
-extern tree finish_omp_clauses (tree, bool, bool = false);
+extern tree finish_omp_clauses (tree, bool, bool = false, bool = false);
extern tree push_omp_privatization_clauses (bool);
extern void pop_omp_privatization_clauses (tree);
extern void save_omp_privatization_clauses (vec<tree> &);
diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c
index 07d1821..21b45b9 100644
--- a/gcc/cp/parser.c
+++ b/gcc/cp/parser.c
@@ -37633,7 +37633,7 @@ cp_parser_cilk_simd_all_clauses (cp_parser *parser, cp_token *pragma_token)
if (clauses == error_mark_node)
return error_mark_node;
else
- return c_finish_cilk_clauses (clauses);
+ return finish_omp_clauses (clauses, false, false, true);
}
/* Main entry-point for parsing Cilk Plus <#pragma simd> for loops. */
diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c
index 0cf5f93..c97b738 100644
--- a/gcc/cp/semantics.c
+++ b/gcc/cp/semantics.c
@@ -5736,7 +5736,8 @@ cp_finish_omp_clause_depend_sink (tree sink_clause)
Remove any elements from the list that are invalid. */
tree
-finish_omp_clauses (tree clauses, bool allow_fields, bool declare_simd)
+finish_omp_clauses (tree clauses, bool allow_fields, bool declare_simd,
+ bool is_cilk)
{
bitmap_head generic_head, firstprivate_head, lastprivate_head;
bitmap_head aligned_head, map_head, map_field_head;
@@ -5832,13 +5833,29 @@ finish_omp_clauses (tree clauses, bool allow_fields, bool declare_simd)
}
if (TREE_CODE (type) == REFERENCE_TYPE)
type = TREE_TYPE (type);
- if (!INTEGRAL_TYPE_P (type)
- && TREE_CODE (type) != POINTER_TYPE)
+ if (is_cilk)
{
- error ("linear clause applied to non-integral non-pointer "
- "variable with %qT type", TREE_TYPE (t));
- remove = true;
- break;
+ if (!INTEGRAL_TYPE_P (type)
+ && !SCALAR_FLOAT_TYPE_P (type)
+ && TREE_CODE (type) != POINTER_TYPE)
+ {
+ error ("linear clause applied to non-integral, "
+ "non-floating, non-pointer variable with %qT type",
+ TREE_TYPE (t));
+ remove = true;
+ break;
+ }
+ }
+ else
+ {
+ if (!INTEGRAL_TYPE_P (type)
+ && TREE_CODE (type) != POINTER_TYPE)
+ {
+ error ("linear clause applied to non-integral non-pointer "
+ "variable with %qT type", TREE_TYPE (t));
+ remove = true;
+ break;
+ }
}
}
t = OMP_CLAUSE_LINEAR_STEP (c);
diff --git a/gcc/testsuite/c-c++-common/cilk-plus/PS/clauses3.c b/gcc/testsuite/c-c++-common/cilk-plus/PS/clauses3.c
index 579b718..0b5ace6 100644
--- a/gcc/testsuite/c-c++-common/cilk-plus/PS/clauses3.c
+++ b/gcc/testsuite/c-c++-common/cilk-plus/PS/clauses3.c
@@ -6,31 +6,31 @@
int A[N], B[N], C[N];
int main (void)
{
-#pragma simd private (B) linear(B:1) /* { dg-error "more than one clause" } */
+#pragma simd private (B) linear(B:1) /* { dg-error "applied to non-integral" } */
for (int ii = 0; ii < N; ii++)
{
A[ii] = B[ii] + C[ii];
}
-#pragma simd private (B, C) linear(B:1) /* { dg-error "more than one clause" } */
+#pragma simd private (B, C) linear(B:1) /* { dg-error "applied to non-integral" } */
for (int ii = 0; ii < N; ii++)
{
A[ii] = B[ii] + C[ii];
}
-#pragma simd private (B) linear(C:2, B:1) /* { dg-error "more than one clause" } */
+#pragma simd private (B) linear(C:2, B:1) /* { dg-error "applied to non-integral" } */
for (int ii = 0; ii < N; ii++)
{
A[ii] = B[ii] + C[ii];
}
-#pragma simd reduction (+:B) linear(B:1) /* { dg-error "more than one clause" } */
+#pragma simd reduction (+:B) linear(B:1) /* { dg-error "applied to non-integral" } */
for (int ii = 0; ii < N; ii++)
{
A[ii] = B[ii] + C[ii];
}
-#pragma simd reduction (+:B) linear(B) /* { dg-error "more than one clause" } */
+#pragma simd reduction (+:B) linear(B) /* { dg-error "applied to non-integral" } */
for (int ii = 0; ii < N; ii++)
{
A[ii] = B[ii] + C[ii];
diff --git a/gcc/testsuite/c-c++-common/cilk-plus/PS/clauses4.c b/gcc/testsuite/c-c++-common/cilk-plus/PS/clauses4.c
new file mode 100644
index 0000000..87f0c5d
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/cilk-plus/PS/clauses4.c
@@ -0,0 +1,36 @@
+/* { dg-do compile } */
+/* { dg-options "-fcilkplus" } */
+
+#define N 1000
+
+int A, B, C;
+double D;
+
+int main (void)
+{
+ #pragma simd linear (D:10)
+ for (int ii = 0; ii < N; ii++)
+ ;
+
+ #pragma simd private (B) linear(B:1) /* { dg-error "more than once" } */
+ for (int ii = 0; ii < N; ii++)
+ ;
+
+ #pragma simd private (B, C) linear(B:1) /* { dg-error "more than once" } */
+ for (int ii = 0; ii < N; ii++)
+ ;
+
+ #pragma simd private (B) linear(C:2, B:1) /* { dg-error "more than once" } */
+ for (int ii = 0; ii < N; ii++)
+ ;
+
+ #pragma simd reduction (+:B) linear(B:1) /* { dg-error "more than once" } */
+ for (int ii = 0; ii < N; ii++)
+ ;
+
+ #pragma simd reduction (+:B) linear(B) /* { dg-error "more than once" } */
+ for (int ii = 0; ii < N; ii++)
+ ;
+
+ return 0;
+}
diff --git a/gcc/testsuite/c-c++-common/cilk-plus/PS/pr69363.c b/gcc/testsuite/c-c++-common/cilk-plus/PS/pr69363.c
new file mode 100644
index 0000000..1d1bb04
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/cilk-plus/PS/pr69363.c
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-fcilkplus" } */
+
+double t1 (double *x, int N)
+{
+ double result = 0.0;
+
+ #pragma simd reduction (max: result)
+ for (int i = 0; i < N; ++i)
+ result = x[i] > result ? x[i] : result;
+
+ return result;
+}
-- Ilya
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