#define RUST_BUILTINS_H
#include "rust-system.h"
-#include "tree.h"
+#include "rust-tree.h"
#include "langhooks.h"
+#include "tree.h"
namespace Rust {
namespace Compile {
BuiltinsContext () { setup (); }
- void setup ()
+ void setup_overflow_fns ()
+ {
+ tree overflow_type
+ = build_varargs_function_type_list (boolean_type_node, NULL_TREE);
+
+ define_builtin ("add_overflow", BUILT_IN_ADD_OVERFLOW,
+ "__builtin_add_overflow", "add_overflow", overflow_type, 0);
+ define_builtin ("sub_overflow", BUILT_IN_SUB_OVERFLOW,
+ "__builtin_sub_overflow", "sub_overflow", overflow_type, 0);
+ define_builtin ("mul_overflow", BUILT_IN_MUL_OVERFLOW,
+ "__builtin_mul_overflow", "mul_overflow", overflow_type, 0);
+ }
+
+ void setup_math_fns ()
{
tree math_function_type_f32
= build_function_type_list (float_type_node, float_type_node, NULL_TREE);
define_builtin ("sinf32", BUILT_IN_SINF, "__builtin_sinf", "sinf",
math_function_type_f32, builtin_const);
-
define_builtin ("sqrtf32", BUILT_IN_SQRTF, "__builtin_sqrtf", "sqrtf",
math_function_type_f32, builtin_const);
+ }
+
+ void setup ()
+ {
+ setup_math_fns ();
+ setup_overflow_fns ();
define_builtin ("unreachable", BUILT_IN_UNREACHABLE,
"__builtin_unreachable", NULL,
0);
}
+ static void handle_flags (tree decl, int flags)
+ {
+ if (flags & builtin_const)
+ TREE_READONLY (decl) = 1;
+ if (flags & builtin_noreturn)
+ TREE_READONLY (decl) = 1;
+ if (flags & builtin_novops)
+ DECL_IS_NOVOPS (decl) = 1;
+ }
+
// Define a builtin function. BCODE is the builtin function code
// defined by builtins.def. NAME is the name of the builtin function.
// LIBNAME is the name of the corresponding library function, and is
{
tree decl = add_builtin_function (name, fntype, bcode, BUILT_IN_NORMAL,
libname, NULL_TREE);
- if ((flags & builtin_const) != 0)
- TREE_READONLY (decl) = 1;
- if ((flags & builtin_noreturn) != 0)
- TREE_THIS_VOLATILE (decl) = 1;
- if ((flags & builtin_novops) != 0)
- DECL_IS_NOVOPS (decl) = 1;
+ handle_flags (decl, flags);
set_builtin_decl (bcode, decl, true);
+
this->builtin_functions_[name] = decl;
if (libname != NULL)
{
decl = add_builtin_function (libname, fntype, bcode, BUILT_IN_NORMAL,
NULL, NULL_TREE);
- if ((flags & builtin_const) != 0)
- TREE_READONLY (decl) = 1;
- if ((flags & builtin_noreturn) != 0)
- TREE_THIS_VOLATILE (decl) = 1;
- if ((flags & builtin_novops) != 0)
- DECL_IS_NOVOPS (decl) = 1;
+ handle_flags (decl, flags);
+
this->builtin_functions_[libname] = decl;
}