/* Built-in and inline functions for gcj
- Copyright (C) 2001
+ Copyright (C) 2001, 2003, 2004, 2005
Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.
+along with GCC; see the file COPYING. If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.
Java and all Java-based marks are trademarks or registered trademarks
of Sun Microsystems, Inc. in the United States and other countries.
#include "config.h"
#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
#include "tree.h"
#include "ggc.h"
#include "flags.h"
-
+#include "langhooks.h"
#include "java-tree.h"
-enum builtin_type
-{
-#define DEF_PRIMITIVE_TYPE(NAME, VALUE) NAME,
-#define DEF_FUNCTION_TYPE_0(NAME, RETURN) NAME,
-#define DEF_FUNCTION_TYPE_1(NAME, RETURN, ARG1) NAME,
-#define DEF_FUNCTION_TYPE_2(NAME, RETURN, ARG1, ARG2) NAME,
-#define DEF_FUNCTION_TYPE_3(NAME, RETURN, ARG1, ARG2, ARG3) NAME,
-#define DEF_FUNCTION_TYPE_4(NAME, RETURN, ARG1, ARG2, ARG3, ARG4) 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,
-#define DEF_POINTER_TYPE(NAME, TYPE) NAME,
-#include "builtin-types.def"
-#undef DEF_PRIMITIVE_TYPE
-#undef DEF_FUNCTION_TYPE_0
-#undef DEF_FUNCTION_TYPE_1
-#undef DEF_FUNCTION_TYPE_2
-#undef DEF_FUNCTION_TYPE_3
-#undef DEF_FUNCTION_TYPE_4
-#undef DEF_FUNCTION_TYPE_VAR_0
-#undef DEF_FUNCTION_TYPE_VAR_1
-#undef DEF_FUNCTION_TYPE_VAR_2
-#undef DEF_POINTER_TYPE
- BT_LAST
-};
-static tree max_builtin PARAMS ((tree, tree));
-static tree min_builtin PARAMS ((tree, tree));
-static tree abs_builtin PARAMS ((tree, tree));
-static tree cos_builtin PARAMS ((tree, tree));
-static tree sin_builtin PARAMS ((tree, tree));
-static tree sqrt_builtin PARAMS ((tree, tree));
+static tree max_builtin (tree, tree);
+static tree min_builtin (tree, tree);
+static tree abs_builtin (tree, tree);
-static tree build_function_call_expr PARAMS ((tree, tree));
-static void define_builtin PARAMS ((enum built_in_function,
- const char *,
- enum built_in_class,
- tree, int));
-static tree define_builtin_type PARAMS ((int, int, int, int, int));
+static tree java_build_function_call_expr (tree, tree);
\f
function should either return an expression, if the call is to be
inlined, or NULL_TREE if a real call should be emitted. Arguments
are method return type and arguments to call. */
-typedef tree builtin_creator_function PARAMS ((tree, tree));
+typedef tree builtin_creator_function (tree, tree);
/* Hold a char*, before initialization, or a tree, after
initialization. */
-union string_or_tree
+union string_or_tree GTY(())
{
- const char *s;
- tree t;
+ const char * GTY ((tag ("0"))) s;
+ tree GTY ((tag ("1"))) t;
};
/* Used to hold a single builtin record. */
-struct builtin_record
+struct builtin_record GTY(())
{
- union string_or_tree class_name;
- union string_or_tree method_name;
- builtin_creator_function *creator;
+ union string_or_tree GTY ((desc ("1"))) class_name;
+ union string_or_tree GTY ((desc ("1"))) method_name;
+ builtin_creator_function * GTY((skip)) creator;
+ enum built_in_function builtin_code;
};
-static struct builtin_record java_builtins[] =
+static GTY(()) struct builtin_record java_builtins[] =
{
- { { "java.lang.Math" }, { "min" }, min_builtin },
- { { "java.lang.Math" }, { "max" }, max_builtin },
- { { "java.lang.Math" }, { "abs" }, abs_builtin },
- { { "java.lang.Math" }, { "cos" }, cos_builtin },
- { { "java.lang.Math" }, { "sin" }, sin_builtin },
- { { "java.lang.Math" }, { "sqrt" }, sqrt_builtin },
- { { NULL }, { NULL }, NULL }
+ { { "java.lang.Math" }, { "min" }, min_builtin, 0 },
+ { { "java.lang.Math" }, { "max" }, max_builtin, 0 },
+ { { "java.lang.Math" }, { "abs" }, abs_builtin, 0 },
+ { { "java.lang.Math" }, { "acos" }, NULL, BUILT_IN_ACOS },
+ { { "java.lang.Math" }, { "asin" }, NULL, BUILT_IN_ASIN },
+ { { "java.lang.Math" }, { "atan" }, NULL, BUILT_IN_ATAN },
+ { { "java.lang.Math" }, { "atan2" }, NULL, BUILT_IN_ATAN2 },
+ { { "java.lang.Math" }, { "ceil" }, NULL, BUILT_IN_CEIL },
+ { { "java.lang.Math" }, { "cos" }, NULL, BUILT_IN_COS },
+ { { "java.lang.Math" }, { "exp" }, NULL, BUILT_IN_EXP },
+ { { "java.lang.Math" }, { "floor" }, NULL, BUILT_IN_FLOOR },
+ { { "java.lang.Math" }, { "log" }, NULL, BUILT_IN_LOG },
+ { { "java.lang.Math" }, { "pow" }, NULL, BUILT_IN_POW },
+ { { "java.lang.Math" }, { "sin" }, NULL, BUILT_IN_SIN },
+ { { "java.lang.Math" }, { "sqrt" }, NULL, BUILT_IN_SQRT },
+ { { "java.lang.Math" }, { "tan" }, NULL, BUILT_IN_TAN },
+ { { NULL }, { NULL }, NULL, END_BUILTINS }
};
-/* This is only used transiently, so we don't mark it as roots for the
- GC. */
-static tree builtin_types[(int) BT_LAST];
-
\f
/* Internal functions which implement various builtin conversions. */
static tree
-max_builtin (method_return_type, method_arguments)
- tree method_return_type, method_arguments;
+max_builtin (tree method_return_type, tree method_arguments)
{
- return build (MAX_EXPR, method_return_type,
- TREE_VALUE (method_arguments),
- TREE_VALUE (TREE_CHAIN (method_arguments)));
+ return fold_build2 (MAX_EXPR, method_return_type,
+ TREE_VALUE (method_arguments),
+ TREE_VALUE (TREE_CHAIN (method_arguments)));
}
static tree
-min_builtin (method_return_type, method_arguments)
- tree method_return_type, method_arguments;
+min_builtin (tree method_return_type, tree method_arguments)
{
- return build (MIN_EXPR, method_return_type,
- TREE_VALUE (method_arguments),
- TREE_VALUE (TREE_CHAIN (method_arguments)));
+ return fold_build2 (MIN_EXPR, method_return_type,
+ TREE_VALUE (method_arguments),
+ TREE_VALUE (TREE_CHAIN (method_arguments)));
}
static tree
-abs_builtin (method_return_type, method_arguments)
- tree method_return_type, method_arguments;
+abs_builtin (tree method_return_type, tree method_arguments)
{
- return build1 (ABS_EXPR, method_return_type,
- TREE_VALUE (method_arguments));
+ return fold_build1 (ABS_EXPR, method_return_type,
+ TREE_VALUE (method_arguments));
}
/* Mostly copied from ../builtins.c. */
static tree
-build_function_call_expr (tree fn, tree arglist)
+java_build_function_call_expr (tree fn, tree arglist)
{
tree call_expr;
call_expr = build1 (ADDR_EXPR, build_pointer_type (TREE_TYPE (fn)), fn);
- call_expr = build (CALL_EXPR, TREE_TYPE (TREE_TYPE (fn)),
- call_expr, arglist);
- TREE_SIDE_EFFECTS (call_expr) = 1;
- return call_expr;
-}
-
-static tree
-cos_builtin (method_return_type, method_arguments)
- tree method_return_type ATTRIBUTE_UNUSED, method_arguments;
-{
- /* FIXME: this assumes that jdouble and double are the same. */
- tree fn = built_in_decls[BUILT_IN_COS];
- if (fn == NULL_TREE)
- return NULL_TREE;
- return build_function_call_expr (fn, method_arguments);
-}
-
-static tree
-sin_builtin (method_return_type, method_arguments)
- tree method_return_type ATTRIBUTE_UNUSED, method_arguments;
-{
- /* FIXME: this assumes that jdouble and double are the same. */
- tree fn = built_in_decls[BUILT_IN_SIN];
- if (fn == NULL_TREE)
- return NULL_TREE;
- return build_function_call_expr (fn, method_arguments);
-}
-
-static tree
-sqrt_builtin (method_return_type, method_arguments)
- tree method_return_type ATTRIBUTE_UNUSED, method_arguments;
-{
- /* FIXME: this assumes that jdouble and double are the same. */
- tree fn = built_in_decls[BUILT_IN_SQRT];
- if (fn == NULL_TREE)
- return NULL_TREE;
- return build_function_call_expr (fn, method_arguments);
+ return fold_build3 (CALL_EXPR, TREE_TYPE (TREE_TYPE (fn)),
+ call_expr, arglist, NULL_TREE);
}
\f
+#define BUILTIN_NOTHROW 1
+#define BUILTIN_CONST 2
/* Define a single builtin. */
static void
-define_builtin (val, name, class, type, fallback_p)
- enum built_in_function val;
- const char *name;
- enum built_in_class class;
- tree type;
- int fallback_p;
+define_builtin (enum built_in_function val,
+ const char *name,
+ tree type,
+ const char *libname,
+ int flags)
{
tree decl;
- if (! name)
- return;
-
- if (strncmp (name, "__builtin_", strlen ("__builtin_")) != 0)
- abort ();
decl = build_decl (FUNCTION_DECL, get_identifier (name), type);
DECL_EXTERNAL (decl) = 1;
TREE_PUBLIC (decl) = 1;
- if (fallback_p)
- SET_DECL_ASSEMBLER_NAME (decl,
- get_identifier (name + strlen ("__builtin_")));
- make_decl_rtl (decl, NULL);
+ SET_DECL_ASSEMBLER_NAME (decl, get_identifier (libname));
pushdecl (decl);
- DECL_BUILT_IN_CLASS (decl) = class;
+ DECL_BUILT_IN_CLASS (decl) = BUILT_IN_NORMAL;
DECL_FUNCTION_CODE (decl) = val;
- built_in_decls[val] = decl;
-}
-
-/* Compute the type for a builtin. */
-static tree
-define_builtin_type (ret, arg1, arg2, arg3, arg4)
- int ret, arg1, arg2, arg3, arg4;
-{
- tree args;
-
- if (builtin_types[ret] == NULL_TREE)
- return NULL_TREE;
+ if (flags & BUILTIN_NOTHROW)
+ TREE_NOTHROW (decl) = 1;
+ if (flags & BUILTIN_CONST)
+ TREE_READONLY (decl) = 1;
- args = void_list_node;
-
- if (arg4 != -1)
- {
- if (builtin_types[arg4] == NULL_TREE)
- return NULL_TREE;
- args = tree_cons (NULL_TREE, builtin_types[arg4], args);
- }
- if (arg3 != -1)
- {
- if (builtin_types[arg3] == NULL_TREE)
- return NULL_TREE;
- args = tree_cons (NULL_TREE, builtin_types[arg3], args);
- }
- if (arg2 != -1)
- {
- if (builtin_types[arg2] == NULL_TREE)
- return NULL_TREE;
- args = tree_cons (NULL_TREE, builtin_types[arg2], args);
- }
- if (arg1 != -1)
- {
- if (builtin_types[arg1] == NULL_TREE)
- return NULL_TREE;
- args = tree_cons (NULL_TREE, builtin_types[arg1], args);
- }
-
- return build_function_type (builtin_types[ret], args);
+ implicit_built_in_decls[val] = decl;
+ built_in_decls[val] = decl;
}
\f
/* Initialize the builtins. */
void
-initialize_builtins ()
+initialize_builtins (void)
{
+ tree double_ftype_double, double_ftype_double_double;
+ tree float_ftype_float, float_ftype_float_float;
+ tree boolean_ftype_boolean_boolean;
+ tree t;
int i;
- for (i = 0; java_builtins[i].creator != NULL; ++i)
+ for (i = 0; java_builtins[i].builtin_code != END_BUILTINS; ++i)
{
tree klass_id = get_identifier (java_builtins[i].class_name.s);
tree m = get_identifier (java_builtins[i].method_name.s);
java_builtins[i].class_name.t = klass_id;
java_builtins[i].method_name.t = m;
- ggc_add_tree_root (&java_builtins[i].class_name.t, 1);
- ggc_add_tree_root (&java_builtins[i].method_name.t, 1);
}
void_list_node = end_params_node;
- /* Work around C-specific junk in builtin-types.def. */
-#define intmax_type_node NULL_TREE
-#define c_size_type_node NULL_TREE
-#define const_string_type_node NULL_TREE
-#define va_list_ref_type_node NULL_TREE
-#define va_list_arg_type_node NULL_TREE
-#define flag_isoc99 0
-
-#define DEF_PRIMITIVE_TYPE(ENUM, VALUE) \
- builtin_types[(int) ENUM] = VALUE;
-#define DEF_FUNCTION_TYPE_0(ENUM, RETURN) \
- builtin_types[(int) ENUM] \
- = define_builtin_type (RETURN, -1, -1, -1, -1);
-#define DEF_FUNCTION_TYPE_1(ENUM, RETURN, ARG1) \
- builtin_types[(int) ENUM] \
- = define_builtin_type (RETURN, ARG1, -1, -1, -1);
-#define DEF_FUNCTION_TYPE_2(ENUM, RETURN, ARG1, ARG2) \
- builtin_types[(int) ENUM] \
- = define_builtin_type (RETURN, ARG1, ARG2, -1, -1);
-#define DEF_FUNCTION_TYPE_3(ENUM, RETURN, ARG1, ARG2, ARG3) \
- builtin_types[(int) ENUM] \
- = define_builtin_type (RETURN, ARG1, ARG2, ARG3, -1);
-#define DEF_FUNCTION_TYPE_4(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4) \
- builtin_types[(int) ENUM] \
- = define_builtin_type (RETURN, ARG1, ARG2, ARG3, ARG4);
-#define DEF_FUNCTION_TYPE_VAR_0(ENUM, RETURN) \
- builtin_types[(int) ENUM] = NULL_TREE;
-#define DEF_FUNCTION_TYPE_VAR_1(ENUM, RETURN, ARG1) \
- builtin_types[(int) ENUM] = NULL_TREE;
-#define DEF_FUNCTION_TYPE_VAR_2(ENUM, RETURN, ARG1, ARG2) \
- builtin_types[(int) ENUM] = NULL_TREE;
-#define DEF_POINTER_TYPE(ENUM, TYPE) \
- builtin_types[(int) ENUM] = NULL_TREE;
-
-#include "builtin-types.def"
-
-#define DEF_BUILTIN(ENUM, NAME, CLASS, TYPE, LIBTYPE, BOTH_P, \
- FALLBACK_P, NONANSI_P) \
- define_builtin (ENUM, NAME, CLASS, builtin_types[TYPE], FALLBACK_P);
-#include "builtins.def"
+ t = tree_cons (NULL_TREE, float_type_node, end_params_node);
+ float_ftype_float = build_function_type (float_type_node, t);
+ t = tree_cons (NULL_TREE, float_type_node, t);
+ float_ftype_float_float = build_function_type (float_type_node, t);
+
+ t = tree_cons (NULL_TREE, double_type_node, end_params_node);
+ double_ftype_double = build_function_type (double_type_node, t);
+ t = tree_cons (NULL_TREE, double_type_node, t);
+ double_ftype_double_double = build_function_type (double_type_node, t);
+
+ define_builtin (BUILT_IN_FMOD, "__builtin_fmod",
+ double_ftype_double_double, "fmod", BUILTIN_CONST);
+ define_builtin (BUILT_IN_FMODF, "__builtin_fmodf",
+ float_ftype_float_float, "fmodf", BUILTIN_CONST);
+
+ define_builtin (BUILT_IN_ACOS, "__builtin_acos",
+ double_ftype_double, "_ZN4java4lang4Math4acosEd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_ASIN, "__builtin_asin",
+ double_ftype_double, "_ZN4java4lang4Math4asinEd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_ATAN, "__builtin_atan",
+ double_ftype_double, "_ZN4java4lang4Math4atanEd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_ATAN2, "__builtin_atan2",
+ double_ftype_double_double, "_ZN4java4lang4Math5atan2Edd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_CEIL, "__builtin_ceil",
+ double_ftype_double, "_ZN4java4lang4Math4ceilEd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_COS, "__builtin_cos",
+ double_ftype_double, "_ZN4java4lang4Math3cosEd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_EXP, "__builtin_exp",
+ double_ftype_double, "_ZN4java4lang4Math3expEd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_FLOOR, "__builtin_floor",
+ double_ftype_double, "_ZN4java4lang4Math5floorEd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_LOG, "__builtin_log",
+ double_ftype_double, "_ZN4java4lang4Math3logEd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_POW, "__builtin_pow",
+ double_ftype_double_double, "_ZN4java4lang4Math3powEdd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_SIN, "__builtin_sin",
+ double_ftype_double, "_ZN4java4lang4Math3sinEd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_SQRT, "__builtin_sqrt",
+ double_ftype_double, "_ZN4java4lang4Math4sqrtEd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_TAN, "__builtin_tan",
+ double_ftype_double, "_ZN4java4lang4Math3tanEd",
+ BUILTIN_CONST);
+
+ t = tree_cons (NULL_TREE, boolean_type_node, end_params_node);
+ t = tree_cons (NULL_TREE, boolean_type_node, t);
+ boolean_ftype_boolean_boolean = build_function_type (boolean_type_node, t);
+ define_builtin (BUILT_IN_EXPECT, "__builtin_expect",
+ boolean_ftype_boolean_boolean,
+ "__builtin_expect",
+ BUILTIN_CONST | BUILTIN_NOTHROW);
+
+ build_common_builtin_nodes ();
}
/* If the call matches a builtin, return the
appropriate builtin expression instead. */
tree
-check_for_builtin (method, call)
- tree method;
- tree call;
+check_for_builtin (tree method, tree call)
{
if (! flag_emit_class_files && optimize && TREE_CODE (call) == CALL_EXPR)
{
tree method_name = DECL_NAME (method);
tree method_return_type = TREE_TYPE (TREE_TYPE (method));
- for (i = 0; java_builtins[i].creator != NULL; ++i)
+ for (i = 0; java_builtins[i].builtin_code != END_BUILTINS; ++i)
{
if (method_class == java_builtins[i].class_name.t
&& method_name == java_builtins[i].method_name.t)
{
- return (*java_builtins[i].creator) (method_return_type,
- method_arguments);
+ tree fn;
+
+ if (java_builtins[i].creator != NULL)
+ return (*java_builtins[i].creator) (method_return_type,
+ method_arguments);
+ fn = built_in_decls[java_builtins[i].builtin_code];
+ if (fn == NULL_TREE)
+ return NULL_TREE;
+ return java_build_function_call_expr (fn, method_arguments);
}
}
}
return call;
}
+
+#include "gt-java-builtins.h"
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