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-rw-r--r--gcc/c-family/c-common.c54
1 files changed, 53 insertions, 1 deletions
diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c
index 49c191d704a..4b283b3428b 100644
--- a/gcc/c-family/c-common.c
+++ b/gcc/c-family/c-common.c
@@ -372,6 +372,11 @@ static tree ignore_attribute (tree *, tree, tree, int, bool *);
static tree handle_no_split_stack_attribute (tree *, tree, tree, int, bool *);
static tree handle_fnspec_attribute (tree *, tree, tree, int, bool *);
static tree handle_warn_unused_attribute (tree *, tree, tree, int, bool *);
+static tree handle_returns_nonnull_attribute (tree *, tree, tree, int, bool *);
+static tree handle_omp_declare_simd_attribute (tree *, tree, tree, int,
+ bool *);
+static tree handle_omp_declare_target_attribute (tree *, tree, tree, int,
+ bool *);
static void check_function_nonnull (tree, int, tree *);
static void check_nonnull_arg (void *, tree, unsigned HOST_WIDE_INT);
@@ -748,6 +753,12 @@ const struct attribute_spec c_common_attribute_table[] =
handle_fnspec_attribute, false },
{ "warn_unused", 0, 0, false, false, false,
handle_warn_unused_attribute, false },
+ { "returns_nonnull", 0, 0, false, true, true,
+ handle_returns_nonnull_attribute, false },
+ { "omp declare simd", 0, -1, true, false, false,
+ handle_omp_declare_simd_attribute, false },
+ { "omp declare target", 0, 0, true, false, false,
+ handle_omp_declare_target_attribute, false },
{ NULL, 0, 0, false, false, false, NULL, false }
};
@@ -5057,6 +5068,7 @@ enum c_builtin_type
#define DEF_FUNCTION_TYPE_5(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) NAME,
#define DEF_FUNCTION_TYPE_6(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6) NAME,
#define DEF_FUNCTION_TYPE_7(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, ARG7) NAME,
+#define DEF_FUNCTION_TYPE_8(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, ARG7, ARG8) NAME,
#define DEF_FUNCTION_TYPE_VAR_0(NAME, RETURN) NAME,
#define DEF_FUNCTION_TYPE_VAR_1(NAME, RETURN, ARG1) NAME,
#define DEF_FUNCTION_TYPE_VAR_2(NAME, RETURN, ARG1, ARG2) NAME,
@@ -5075,6 +5087,7 @@ enum c_builtin_type
#undef DEF_FUNCTION_TYPE_5
#undef DEF_FUNCTION_TYPE_6
#undef DEF_FUNCTION_TYPE_7
+#undef DEF_FUNCTION_TYPE_8
#undef DEF_FUNCTION_TYPE_VAR_0
#undef DEF_FUNCTION_TYPE_VAR_1
#undef DEF_FUNCTION_TYPE_VAR_2
@@ -5157,6 +5170,10 @@ c_define_builtins (tree va_list_ref_type_node, tree va_list_arg_type_node)
#define DEF_FUNCTION_TYPE_7(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
ARG6, ARG7) \
def_fn_type (ENUM, RETURN, 0, 7, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, ARG7);
+#define DEF_FUNCTION_TYPE_8(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6, ARG7, ARG8) \
+ def_fn_type (ENUM, RETURN, 0, 8, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, \
+ ARG7, ARG8);
#define DEF_FUNCTION_TYPE_VAR_0(ENUM, RETURN) \
def_fn_type (ENUM, RETURN, 1, 0);
#define DEF_FUNCTION_TYPE_VAR_1(ENUM, RETURN, ARG1) \
@@ -8014,6 +8031,24 @@ handle_warn_unused_attribute (tree *node, tree name,
return NULL_TREE;
}
+/* Handle an "omp declare simd" attribute; arguments as in
+ struct attribute_spec.handler. */
+
+static tree
+handle_omp_declare_simd_attribute (tree *, tree, tree, int, bool *)
+{
+ return NULL_TREE;
+}
+
+/* Handle an "omp declare target" attribute; arguments as in
+ struct attribute_spec.handler. */
+
+static tree
+handle_omp_declare_target_attribute (tree *, tree, tree, int, bool *)
+{
+ return NULL_TREE;
+}
+
/* Handle a "returns_twice" attribute; arguments as in
struct attribute_spec.handler. */
@@ -9008,7 +9043,7 @@ handle_optimize_attribute (tree *node, tree name, tree args,
/* Parse options, and update the vector. */
parse_optimize_options (args, true);
DECL_FUNCTION_SPECIFIC_OPTIMIZATION (*node)
- = build_optimization_node ();
+ = build_optimization_node (&global_options);
/* Restore current options. */
cl_optimization_restore (&global_options, &cur_opts);
@@ -9042,6 +9077,23 @@ handle_no_split_stack_attribute (tree *node, tree name,
return NULL_TREE;
}
+
+/* Handle a "returns_nonnull" attribute; arguments as in
+ struct attribute_spec.handler. */
+
+static tree
+handle_returns_nonnull_attribute (tree *node, tree, tree, int,
+ bool *no_add_attrs)
+{
+ // Even without a prototype we still have a return type we can check.
+ if (TREE_CODE (TREE_TYPE (*node)) != POINTER_TYPE)
+ {
+ error ("returns_nonnull attribute on a function not returning a pointer");
+ *no_add_attrs = true;
+ }
+ return NULL_TREE;
+}
+
/* Check for valid arguments being passed to a function with FNTYPE.
There are NARGS arguments in the array ARGARRAY. */