/* Built-in and inline functions for gcj
- Copyright (C) 2001
+ Copyright (C) 2001, 2003, 2004, 2005, 2006, 2007, 2009
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)
+the Free Software Foundation; either version 3, 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.
+.
+
+.
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 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));
-
+#include <stdarg.h>
+#include "convert.h"
+#include "rtl.h"
+#include "insn-codes.h"
+#include "expr.h"
+#include "optabs.h"
+
+static tree max_builtin (tree, tree);
+static tree min_builtin (tree, tree);
+static tree abs_builtin (tree, tree);
+static tree convert_real (tree, tree);
+
+static tree java_build_function_call_expr (tree, tree);
+
+static tree putObject_builtin (tree, tree);
+static tree compareAndSwapInt_builtin (tree, tree);
+static tree compareAndSwapLong_builtin (tree, tree);
+static tree compareAndSwapObject_builtin (tree, tree);
+static tree putVolatile_builtin (tree, tree);
+static tree getVolatile_builtin (tree, tree);
+static tree VMSupportsCS8_builtin (tree, tree);
\f
/* Functions of this type are used to inline a given call. Such a
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));
+ are method return type and the original CALL_EXPR containing the
+ arguments to the call. */
+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 },
+ { { "java.lang.Float" }, { "intBitsToFloat" }, convert_real, 0 },
+ { { "java.lang.Double" }, { "longBitsToDouble" }, convert_real, 0 },
+ { { "java.lang.Float" }, { "floatToRawIntBits" }, convert_real, 0 },
+ { { "java.lang.Double" }, { "doubleToRawLongBits" }, convert_real, 0 },
+ { { "sun.misc.Unsafe" }, { "putInt" }, putObject_builtin, 0},
+ { { "sun.misc.Unsafe" }, { "putLong" }, putObject_builtin, 0},
+ { { "sun.misc.Unsafe" }, { "putObject" }, putObject_builtin, 0},
+ { { "sun.misc.Unsafe" }, { "compareAndSwapInt" },
+ compareAndSwapInt_builtin, 0},
+ { { "sun.misc.Unsafe" }, { "compareAndSwapLong" },
+ compareAndSwapLong_builtin, 0},
+ { { "sun.misc.Unsafe" }, { "compareAndSwapObject" },
+ compareAndSwapObject_builtin, 0},
+ { { "sun.misc.Unsafe" }, { "putOrderedInt" }, putVolatile_builtin, 0},
+ { { "sun.misc.Unsafe" }, { "putOrderedLong" }, putVolatile_builtin, 0},
+ { { "sun.misc.Unsafe" }, { "putOrderedObject" }, putVolatile_builtin, 0},
+ { { "sun.misc.Unsafe" }, { "putIntVolatile" }, putVolatile_builtin, 0},
+ { { "sun.misc.Unsafe" }, { "putLongVolatile" }, putVolatile_builtin, 0},
+ { { "sun.misc.Unsafe" }, { "putObjectVolatile" }, putVolatile_builtin, 0},
+ { { "sun.misc.Unsafe" }, { "getObjectVolatile" }, getVolatile_builtin, 0},
+ { { "sun.misc.Unsafe" }, { "getIntVolatile" }, getVolatile_builtin, 0},
+ { { "sun.misc.Unsafe" }, { "getLongVolatile" }, getVolatile_builtin, 0},
+ { { "sun.misc.Unsafe" }, { "getLong" }, getVolatile_builtin, 0},
+ { { "java.util.concurrent.atomic.AtomicLong" }, { "VMSupportsCS8" },
+ VMSupportsCS8_builtin, 0},
+ { { 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 orig_call)
{
- return build (MAX_EXPR, method_return_type,
- TREE_VALUE (method_arguments),
- TREE_VALUE (TREE_CHAIN (method_arguments)));
+ /* MAX_EXPR does not handle -0.0 in the Java style. */
+ if (TREE_CODE (method_return_type) == REAL_TYPE)
+ return NULL_TREE;
+ return fold_build2 (MAX_EXPR, method_return_type,
+ CALL_EXPR_ARG (orig_call, 0),
+ CALL_EXPR_ARG (orig_call, 1));
}
static tree
-min_builtin (method_return_type, method_arguments)
- tree method_return_type, method_arguments;
+min_builtin (tree method_return_type, tree orig_call)
{
- return build (MIN_EXPR, method_return_type,
- TREE_VALUE (method_arguments),
- TREE_VALUE (TREE_CHAIN (method_arguments)));
+ /* MIN_EXPR does not handle -0.0 in the Java style. */
+ if (TREE_CODE (method_return_type) == REAL_TYPE)
+ return NULL_TREE;
+ return fold_build2 (MIN_EXPR, method_return_type,
+ CALL_EXPR_ARG (orig_call, 0),
+ CALL_EXPR_ARG (orig_call, 1));
}
static tree
-abs_builtin (method_return_type, method_arguments)
- tree method_return_type, method_arguments;
+abs_builtin (tree method_return_type, tree orig_call)
{
- return build1 (ABS_EXPR, method_return_type,
- TREE_VALUE (method_arguments));
+ return fold_build1 (ABS_EXPR, method_return_type,
+ CALL_EXPR_ARG (orig_call, 0));
}
-/* Mostly copied from ../builtins.c. */
+/* Construct a new call to FN using the arguments from ORIG_CALL. */
+
static tree
-build_function_call_expr (tree fn, tree arglist)
+java_build_function_call_expr (tree fn, tree orig_call)
{
- 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;
+ int nargs = call_expr_nargs (orig_call);
+ switch (nargs)
+ {
+ /* Although we could handle the 0-3 argument cases using the general
+ logic in the default case, splitting them out permits folding to
+ be performed without constructing a temporary CALL_EXPR. */
+ case 0:
+ return build_call_expr (fn, 0);
+ case 1:
+ return build_call_expr (fn, 1, CALL_EXPR_ARG (orig_call, 0));
+ case 2:
+ return build_call_expr (fn, 2,
+ CALL_EXPR_ARG (orig_call, 0),
+ CALL_EXPR_ARG (orig_call, 1));
+ case 3:
+ return build_call_expr (fn, 3,
+ CALL_EXPR_ARG (orig_call, 0),
+ CALL_EXPR_ARG (orig_call, 1),
+ CALL_EXPR_ARG (orig_call, 2));
+ default:
+ {
+ tree fntype = TREE_TYPE (fn);
+ fn = build1 (ADDR_EXPR, build_pointer_type (fntype), fn);
+ return fold (build_call_array (TREE_TYPE (fntype),
+ fn, nargs, CALL_EXPR_ARGP (orig_call)));
+ }
+ }
}
static tree
-cos_builtin (method_return_type, method_arguments)
- tree method_return_type, method_arguments;
+convert_real (tree method_return_type, tree orig_call)
{
- /* 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);
+ return build1 (VIEW_CONVERT_EXPR, method_return_type,
+ CALL_EXPR_ARG (orig_call, 0));
}
+\f
+
+/* Provide builtin support for atomic operations. These are
+ documented at length in libjava/sun/misc/Unsafe.java. */
+
+/* FIXME. There are still a few things wrong with this logic. In
+ particular, atomic writes of multi-word integers are not truly
+ atomic: this requires more work.
+
+ In general, double-word compare-and-swap cannot portably be
+ implemented, so we need some kind of fallback for 32-bit machines.
+
+*/
+
+
+/* Macros to unmarshal arguments from a CALL_EXPR into a few
+ variables. We also convert the offset arg from a long to an
+ integer that is the same size as a pointer. */
+
+#define UNMARSHAL3(METHOD_CALL) \
+tree this_arg, obj_arg, offset_arg; \
+do \
+{ \
+ tree orig_method_call = METHOD_CALL; \
+ this_arg = CALL_EXPR_ARG (orig_method_call, 0); \
+ obj_arg = CALL_EXPR_ARG (orig_method_call, 1); \
+ offset_arg = fold_convert (java_type_for_size (POINTER_SIZE, 0), \
+ CALL_EXPR_ARG (orig_method_call, 2)); \
+} \
+while (0)
+
+#define UNMARSHAL4(METHOD_CALL) \
+tree value_type, this_arg, obj_arg, offset_arg, value_arg; \
+do \
+{ \
+ tree orig_method_call = METHOD_CALL; \
+ this_arg = CALL_EXPR_ARG (orig_method_call, 0); \
+ obj_arg = CALL_EXPR_ARG (orig_method_call, 1); \
+ offset_arg = fold_convert (java_type_for_size (POINTER_SIZE, 0), \
+ CALL_EXPR_ARG (orig_method_call, 2)); \
+ value_arg = CALL_EXPR_ARG (orig_method_call, 3); \
+ value_type = TREE_TYPE (value_arg); \
+} \
+while (0)
+
+#define UNMARSHAL5(METHOD_CALL) \
+tree value_type, this_arg, obj_arg, offset_arg, expected_arg, value_arg; \
+do \
+{ \
+ tree orig_method_call = METHOD_CALL; \
+ this_arg = CALL_EXPR_ARG (orig_method_call, 0); \
+ obj_arg = CALL_EXPR_ARG (orig_method_call, 1); \
+ offset_arg = fold_convert (java_type_for_size (POINTER_SIZE, 0), \
+ CALL_EXPR_ARG (orig_method_call, 2)); \
+ expected_arg = CALL_EXPR_ARG (orig_method_call, 3); \
+ value_arg = CALL_EXPR_ARG (orig_method_call, 4); \
+ value_type = TREE_TYPE (value_arg); \
+} \
+while (0)
+
+/* Add an address to an offset, forming a sum. */
+
static tree
-sin_builtin (method_return_type, method_arguments)
- tree method_return_type, method_arguments;
+build_addr_sum (tree type, tree addr, tree offset)
{
- /* 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);
+ tree ptr_type = build_pointer_type (type);
+ return fold_build2 (POINTER_PLUS_EXPR,
+ ptr_type,
+ fold_convert (ptr_type, addr),
+ fold_convert (sizetype, offset));
}
+/* Make sure that this-arg is non-NULL. This is a security check. */
+
static tree
-sqrt_builtin (method_return_type, method_arguments)
- tree method_return_type, method_arguments;
+build_check_this (tree stmt, tree this_arg)
{
- /* FIXME: this assumes that jdouble and double are the same. */
- tree fn = built_in_decls[BUILT_IN_SQRTF];
- if (fn == NULL_TREE)
- return NULL_TREE;
- return build_function_call_expr (fn, method_arguments);
+ return build2 (COMPOUND_EXPR, TREE_TYPE (stmt),
+ java_check_reference (this_arg, 1), stmt);
}
-\f
+/* Now the builtins. These correspond to the primitive functions in
+ libjava/sun/misc/natUnsafe.cc. */
-/* 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;
+static tree
+putObject_builtin (tree method_return_type ATTRIBUTE_UNUSED,
+ tree orig_call)
{
- tree decl;
+ tree addr, stmt;
+ UNMARSHAL4 (orig_call);
- if (! name)
- return;
+ addr = build_addr_sum (value_type, obj_arg, offset_arg);
+ stmt = fold_build2 (MODIFY_EXPR, value_type,
+ build_java_indirect_ref (value_type, addr,
+ flag_check_references),
+ value_arg);
- 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);
- pushdecl (decl);
- DECL_BUILT_IN_CLASS (decl) = class;
- DECL_FUNCTION_CODE (decl) = val;
- built_in_decls[val] = decl;
+ return build_check_this (stmt, this_arg);
}
-/* Compute the type for a builtin. */
static tree
-define_builtin_type (ret, arg1, arg2, arg3, arg4)
- int ret, arg1, arg2, arg3, arg4;
+compareAndSwapInt_builtin (tree method_return_type ATTRIBUTE_UNUSED,
+ tree orig_call)
{
- tree args;
-
- if (builtin_types[ret] == NULL_TREE)
- return NULL_TREE;
+ enum machine_mode mode = TYPE_MODE (int_type_node);
+ if (sync_compare_and_swap[mode] != CODE_FOR_nothing)
+ {
+ tree addr, stmt;
+ UNMARSHAL5 (orig_call);
- args = void_list_node;
+ addr = build_addr_sum (int_type_node, obj_arg, offset_arg);
+ stmt = build_call_expr (built_in_decls[BUILT_IN_BOOL_COMPARE_AND_SWAP_4],
+ 3, addr, expected_arg, value_arg);
- 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);
+ return build_check_this (stmt, this_arg);
}
- if (arg1 != -1)
+ return NULL_TREE;
+}
+
+static tree
+compareAndSwapLong_builtin (tree method_return_type ATTRIBUTE_UNUSED,
+ tree orig_call)
+{
+ enum machine_mode mode = TYPE_MODE (long_type_node);
+ if (sync_compare_and_swap[mode] != CODE_FOR_nothing)
{
- if (builtin_types[arg1] == NULL_TREE)
- return NULL_TREE;
- args = tree_cons (NULL_TREE, builtin_types[arg1], args);
+ tree addr, stmt;
+ UNMARSHAL5 (orig_call);
+
+ addr = build_addr_sum (long_type_node, obj_arg, offset_arg);
+ stmt = build_call_expr (built_in_decls[BUILT_IN_BOOL_COMPARE_AND_SWAP_8],
+ 3, addr, expected_arg, value_arg);
+
+ return build_check_this (stmt, this_arg);
}
+ return NULL_TREE;
+}
+static tree
+compareAndSwapObject_builtin (tree method_return_type ATTRIBUTE_UNUSED,
+ tree orig_call)
+{
+ enum machine_mode mode = TYPE_MODE (ptr_type_node);
+ if (sync_compare_and_swap[mode] != CODE_FOR_nothing)
+ {
+ tree addr, stmt;
+ int builtin;
+
+ UNMARSHAL5 (orig_call);
+ builtin = (POINTER_SIZE == 32
+ ? BUILT_IN_BOOL_COMPARE_AND_SWAP_4
+ : BUILT_IN_BOOL_COMPARE_AND_SWAP_8);
+
+ addr = build_addr_sum (value_type, obj_arg, offset_arg);
+ stmt = build_call_expr (built_in_decls[builtin],
+ 3, addr, expected_arg, value_arg);
+
+ return build_check_this (stmt, this_arg);
+ }
+ return NULL_TREE;
+}
+
+static tree
+putVolatile_builtin (tree method_return_type ATTRIBUTE_UNUSED,
+ tree orig_call)
+{
+ tree addr, stmt, modify_stmt;
+ UNMARSHAL4 (orig_call);
+
+ addr = build_addr_sum (value_type, obj_arg, offset_arg);
+ addr
+ = fold_convert (build_pointer_type (build_type_variant (value_type, 0, 1)),
+ addr);
- return build_function_type (builtin_types[ret], args);
+ stmt = build_call_expr (built_in_decls[BUILT_IN_SYNCHRONIZE], 0);
+ modify_stmt = fold_build2 (MODIFY_EXPR, value_type,
+ build_java_indirect_ref (value_type, addr,
+ flag_check_references),
+ value_arg);
+ stmt = build2 (COMPOUND_EXPR, TREE_TYPE (modify_stmt),
+ stmt, modify_stmt);
+
+ return build_check_this (stmt, this_arg);
+}
+
+static tree
+getVolatile_builtin (tree method_return_type ATTRIBUTE_UNUSED,
+ tree orig_call)
+{
+ tree addr, stmt, modify_stmt, tmp;
+ UNMARSHAL3 (orig_call);
+
+ addr = build_addr_sum (method_return_type, obj_arg, offset_arg);
+ addr
+ = fold_convert (build_pointer_type (build_type_variant
+ (method_return_type, 0, 1)), addr);
+
+ stmt = build_call_expr (built_in_decls[BUILT_IN_SYNCHRONIZE], 0);
+
+ tmp = build_decl (VAR_DECL, NULL, method_return_type);
+ DECL_IGNORED_P (tmp) = 1;
+ DECL_ARTIFICIAL (tmp) = 1;
+ pushdecl (tmp);
+
+ modify_stmt = fold_build2 (MODIFY_EXPR, method_return_type,
+ tmp,
+ build_java_indirect_ref (method_return_type, addr,
+ flag_check_references));
+
+ stmt = build2 (COMPOUND_EXPR, void_type_node, modify_stmt, stmt);
+ stmt = build2 (COMPOUND_EXPR, method_return_type, stmt, tmp);
+
+ return stmt;
+}
+
+static tree
+VMSupportsCS8_builtin (tree method_return_type,
+ tree orig_call ATTRIBUTE_UNUSED)
+{
+ enum machine_mode mode = TYPE_MODE (long_type_node);
+ gcc_assert (method_return_type == boolean_type_node);
+ if (sync_compare_and_swap[mode] != CODE_FOR_nothing)
+ return boolean_true_node;
+ else
+ return boolean_false_node;
+}
+
+\f
+
+#define BUILTIN_NOTHROW 1
+#define BUILTIN_CONST 2
+/* Define a single builtin. */
+static void
+define_builtin (enum built_in_function val,
+ const char *name,
+ tree type,
+ const char *libname,
+ int flags)
+{
+ tree decl;
+
+ decl = build_decl (FUNCTION_DECL, get_identifier (name), type);
+ DECL_EXTERNAL (decl) = 1;
+ TREE_PUBLIC (decl) = 1;
+ SET_DECL_ASSEMBLER_NAME (decl, get_identifier (libname));
+ pushdecl (decl);
+ DECL_BUILT_IN_CLASS (decl) = BUILT_IN_NORMAL;
+ DECL_FUNCTION_CODE (decl) = val;
+ if (flags & BUILTIN_NOTHROW)
+ TREE_NOTHROW (decl) = 1;
+ if (flags & BUILTIN_CONST)
+ TREE_READONLY (decl) = 1;
+
+ 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 traditional_ptr_type_node NULL_TREE
-#define traditional_cptr_type_node NULL_TREE
-#define c_size_type_node NULL_TREE
-#define const_string_type_node NULL_TREE
-#define traditional_len_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, "_ZN4java4lang4Math4acosEJdd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_ASIN, "__builtin_asin",
+ double_ftype_double, "_ZN4java4lang4Math4asinEJdd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_ATAN, "__builtin_atan",
+ double_ftype_double, "_ZN4java4lang4Math4atanEJdd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_ATAN2, "__builtin_atan2",
+ double_ftype_double_double, "_ZN4java4lang4Math5atan2EJddd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_CEIL, "__builtin_ceil",
+ double_ftype_double, "_ZN4java4lang4Math4ceilEJdd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_COS, "__builtin_cos",
+ double_ftype_double, "_ZN4java4lang4Math3cosEJdd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_EXP, "__builtin_exp",
+ double_ftype_double, "_ZN4java4lang4Math3expEJdd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_FLOOR, "__builtin_floor",
+ double_ftype_double, "_ZN4java4lang4Math5floorEJdd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_LOG, "__builtin_log",
+ double_ftype_double, "_ZN4java4lang4Math3logEJdd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_POW, "__builtin_pow",
+ double_ftype_double_double, "_ZN4java4lang4Math3powEJddd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_SIN, "__builtin_sin",
+ double_ftype_double, "_ZN4java4lang4Math3sinEJdd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_SQRT, "__builtin_sqrt",
+ double_ftype_double, "_ZN4java4lang4Math4sqrtEJdd",
+ BUILTIN_CONST);
+ define_builtin (BUILT_IN_TAN, "__builtin_tan",
+ double_ftype_double, "_ZN4java4lang4Math3tanEJdd",
+ 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);
+ define_builtin (BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
+ "__sync_bool_compare_and_swap_4",
+ build_function_type_list (boolean_type_node,
+ int_type_node,
+ build_pointer_type (int_type_node),
+ int_type_node, NULL_TREE),
+ "__sync_bool_compare_and_swap_4", 0);
+ define_builtin (BUILT_IN_BOOL_COMPARE_AND_SWAP_8,
+ "__sync_bool_compare_and_swap_8",
+ build_function_type_list (boolean_type_node,
+ long_type_node,
+ build_pointer_type (long_type_node),
+ int_type_node, NULL_TREE),
+ "__sync_bool_compare_and_swap_8", 0);
+ define_builtin (BUILT_IN_SYNCHRONIZE, "__sync_synchronize",
+ build_function_type (void_type_node, void_list_node),
+ "__sync_synchronize", BUILTIN_NOTHROW);
+
+ define_builtin (BUILT_IN_RETURN_ADDRESS, "__builtin_return_address",
+ build_function_type_list (ptr_type_node, int_type_node, NULL_TREE),
+ "__builtin_return_address", BUILTIN_NOTHROW);
+
+ build_common_builtin_nodes ();
}
-/* Generate a method call. If the call matches a builtin, return the
+/* If the call matches a builtin, return the
appropriate builtin expression instead. */
tree
-build_call_or_builtin (method, func, method_arguments)
- tree method, func, method_arguments;
+check_for_builtin (tree method, tree call)
{
- tree method_class = DECL_NAME (TYPE_NAME (DECL_CONTEXT (method)));
- tree method_name = DECL_NAME (method);
- tree method_return_type = TREE_TYPE (TREE_TYPE (method));
- tree call = NULL_TREE;
-
- /* Only look if we're generating object code and optimizing. */
- if (! flag_emit_class_files && optimize)
+ if (optimize && TREE_CODE (call) == CALL_EXPR)
{
int i;
+ tree method_class = DECL_NAME (TYPE_NAME (DECL_CONTEXT (method)));
+ 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)
{
- call = (*java_builtins[i].creator) (method_return_type,
- method_arguments);
- break;
+ tree fn;
+
+ if (java_builtins[i].creator != NULL)
+ {
+ tree result
+ = (*java_builtins[i].creator) (method_return_type, call);
+ return result == NULL_TREE ? call : result;
+ }
+
+ /* Builtin functions emit a direct call which is incompatible
+ with the BC-ABI. */
+ if (flag_indirect_dispatch)
+ return call;
+ fn = built_in_decls[java_builtins[i].builtin_code];
+ if (fn == NULL_TREE)
+ return call;
+ return java_build_function_call_expr (fn, call);
}
}
}
-
- if (call == NULL_TREE)
- {
- /* Either nothing matched, or the creator function decided not
- to inline. In either case, emit a call. */
- call = build (CALL_EXPR, method_return_type, func, method_arguments,
- NULL_TREE);
- TREE_SIDE_EFFECTS (call) = 1;
- }
-
return call;
}
+
+#include "gt-java-builtins.h"
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