/* Built-in and inline functions for gcj
- Copyright (C) 2001, 2003, 2004, 2005, 2006, 2007, 2009
+ Copyright (C) 2001, 2003, 2004, 2005, 2006, 2007, 2009, 2010
Free Software Foundation, Inc.
This file is part of GCC.
/* Written by Tom Tromey <tromey@redhat.com>. */
+/* FIXME: Still need to include rtl.h here (see below). */
+#undef IN_GCC_FRONTEND
+
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "flags.h"
#include "langhooks.h"
#include "java-tree.h"
-#include <stdarg.h>
-#include "convert.h"
+
+/* FIXME: All these headers are necessary for sync_compare_and_swap.
+ Front ends should never have to look at that. */
#include "rtl.h"
#include "insn-codes.h"
#include "expr.h"
/* Hold a char*, before initialization, or a tree, after
initialization. */
-union string_or_tree GTY(())
-{
+union GTY(()) string_or_tree {
const char * GTY ((tag ("0"))) s;
tree GTY ((tag ("1"))) t;
};
/* Used to hold a single builtin record. */
-struct builtin_record GTY(())
-{
+struct GTY(()) builtin_record {
union string_or_tree GTY ((desc ("1"))) class_name;
union string_or_tree GTY ((desc ("1"))) method_name;
builtin_creator_function * GTY((skip)) creator;
static GTY(()) struct builtin_record java_builtins[] =
{
- { { "java.lang.Math" }, { "min" }, min_builtin, 0 },
- { { "java.lang.Math" }, { "max" }, max_builtin, 0 },
- { { "java.lang.Math" }, { "abs" }, abs_builtin, 0 },
+ { { "java.lang.Math" }, { "min" }, min_builtin, (enum built_in_function) 0 },
+ { { "java.lang.Math" }, { "max" }, max_builtin, (enum built_in_function) 0 },
+ { { "java.lang.Math" }, { "abs" }, abs_builtin, (enum built_in_function) 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" }, { "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},
+ { { "java.lang.Float" }, { "intBitsToFloat" }, convert_real,
+ (enum built_in_function) 0 },
+ { { "java.lang.Double" }, { "longBitsToDouble" }, convert_real,
+ (enum built_in_function) 0 },
+ { { "java.lang.Float" }, { "floatToRawIntBits" }, convert_real,
+ (enum built_in_function) 0 },
+ { { "java.lang.Double" }, { "doubleToRawLongBits" }, convert_real,
+ (enum built_in_function) 0 },
+ { { "sun.misc.Unsafe" }, { "putInt" }, putObject_builtin,
+ (enum built_in_function) 0},
+ { { "sun.misc.Unsafe" }, { "putLong" }, putObject_builtin,
+ (enum built_in_function) 0},
+ { { "sun.misc.Unsafe" }, { "putObject" }, putObject_builtin,
+ (enum built_in_function) 0},
+ { { "sun.misc.Unsafe" }, { "compareAndSwapInt" },
+ compareAndSwapInt_builtin, (enum built_in_function) 0},
+ { { "sun.misc.Unsafe" }, { "compareAndSwapLong" },
+ compareAndSwapLong_builtin, (enum built_in_function) 0},
+ { { "sun.misc.Unsafe" }, { "compareAndSwapObject" },
+ compareAndSwapObject_builtin, (enum built_in_function) 0},
+ { { "sun.misc.Unsafe" }, { "putOrderedInt" }, putVolatile_builtin,
+ (enum built_in_function) 0},
+ { { "sun.misc.Unsafe" }, { "putOrderedLong" }, putVolatile_builtin,
+ (enum built_in_function) 0},
+ { { "sun.misc.Unsafe" }, { "putOrderedObject" }, putVolatile_builtin,
+ (enum built_in_function) 0},
+ { { "sun.misc.Unsafe" }, { "putIntVolatile" }, putVolatile_builtin,
+ (enum built_in_function) 0},
+ { { "sun.misc.Unsafe" }, { "putLongVolatile" }, putVolatile_builtin,
+ (enum built_in_function) 0},
+ { { "sun.misc.Unsafe" }, { "putObjectVolatile" }, putVolatile_builtin,
+ (enum built_in_function) 0},
+ { { "sun.misc.Unsafe" }, { "getObjectVolatile" }, getVolatile_builtin,
+ (enum built_in_function) 0},
+ { { "sun.misc.Unsafe" }, { "getIntVolatile" }, getVolatile_builtin,
+ (enum built_in_function) 0},
+ { { "sun.misc.Unsafe" }, { "getLongVolatile" }, getVolatile_builtin, (enum built_in_function) 0},
+ { { "sun.misc.Unsafe" }, { "getLong" }, getVolatile_builtin,
+ (enum built_in_function) 0},
+ { { "java.util.concurrent.atomic.AtomicLong" }, { "VMSupportsCS8" },
+ VMSupportsCS8_builtin, (enum built_in_function) 0},
{ { NULL }, { NULL }, NULL, END_BUILTINS }
};
build_addr_sum (tree type, tree addr, tree offset)
{
tree ptr_type = build_pointer_type (type);
- return fold_build2 (POINTER_PLUS_EXPR,
- ptr_type,
- fold_convert (ptr_type, addr),
- fold_convert (sizetype, offset));
+ return fold_build_pointer_plus (fold_convert (ptr_type, addr), offset);
}
/* Make sure that this-arg is non-NULL. This is a security check. */
tree orig_call)
{
enum machine_mode mode = TYPE_MODE (int_type_node);
- if (sync_compare_and_swap[mode] != CODE_FOR_nothing)
+ if (can_compare_and_swap_p (mode, flag_use_atomic_builtins))
{
tree addr, stmt;
+ enum built_in_function fncode = BUILT_IN_SYNC_BOOL_COMPARE_AND_SWAP_4;
UNMARSHAL5 (orig_call);
+ (void) value_type; /* Avoid set but not used warning. */
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],
+ stmt = build_call_expr (builtin_decl_explicit (fncode),
3, addr, expected_arg, value_arg);
return build_check_this (stmt, this_arg);
tree orig_call)
{
enum machine_mode mode = TYPE_MODE (long_type_node);
- if (sync_compare_and_swap[mode] != CODE_FOR_nothing)
+ /* We don't trust flag_use_atomic_builtins for multi-word compareAndSwap.
+ Some machines such as ARM have atomic libfuncs but not the multi-word
+ versions. */
+ if (can_compare_and_swap_p (mode,
+ (flag_use_atomic_builtins
+ && GET_MODE_SIZE (mode) <= UNITS_PER_WORD)))
{
tree addr, stmt;
+ enum built_in_function fncode = BUILT_IN_SYNC_BOOL_COMPARE_AND_SWAP_8;
UNMARSHAL5 (orig_call);
+ (void) value_type; /* Avoid set but not used warning. */
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],
+ stmt = build_call_expr (builtin_decl_explicit (fncode),
3, addr, expected_arg, value_arg);
return build_check_this (stmt, this_arg);
tree orig_call)
{
enum machine_mode mode = TYPE_MODE (ptr_type_node);
- if (sync_compare_and_swap[mode] != CODE_FOR_nothing)
+ if (can_compare_and_swap_p (mode, flag_use_atomic_builtins))
{
tree addr, stmt;
- int builtin;
+ enum built_in_function builtin;
UNMARSHAL5 (orig_call);
builtin = (POINTER_SIZE == 32
- ? BUILT_IN_BOOL_COMPARE_AND_SWAP_4
- : BUILT_IN_BOOL_COMPARE_AND_SWAP_8);
+ ? BUILT_IN_SYNC_BOOL_COMPARE_AND_SWAP_4
+ : BUILT_IN_SYNC_BOOL_COMPARE_AND_SWAP_8);
addr = build_addr_sum (value_type, obj_arg, offset_arg);
- stmt = build_call_expr (built_in_decls[builtin],
+ stmt = build_call_expr (builtin_decl_explicit (builtin),
3, addr, expected_arg, value_arg);
return build_check_this (stmt, this_arg);
= fold_convert (build_pointer_type (build_type_variant (value_type, 0, 1)),
addr);
- stmt = build_call_expr (built_in_decls[BUILT_IN_SYNCHRONIZE], 0);
+ stmt = build_call_expr (builtin_decl_explicit (BUILT_IN_SYNC_SYNCHRONIZE), 0);
modify_stmt = fold_build2 (MODIFY_EXPR, value_type,
build_java_indirect_ref (value_type, addr,
flag_check_references),
{
tree addr, stmt, modify_stmt, tmp;
UNMARSHAL3 (orig_call);
-
+ (void) this_arg; /* Avoid set but not used warning. */
+
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);
+ stmt = build_call_expr (builtin_decl_explicit (BUILT_IN_SYNC_SYNCHRONIZE), 0);
+ tmp = build_decl (BUILTINS_LOCATION, VAR_DECL, NULL, method_return_type);
DECL_IGNORED_P (tmp) = 1;
DECL_ARTIFICIAL (tmp) = 1;
pushdecl (tmp);
{
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)
+ if (can_compare_and_swap_p (mode, false))
return boolean_true_node;
else
return boolean_false_node;
{
tree decl;
- decl = build_decl (FUNCTION_DECL, get_identifier (name), type);
+ decl = build_decl (BUILTINS_LOCATION,
+ FUNCTION_DECL, get_identifier (name), type);
DECL_EXTERNAL (decl) = 1;
TREE_PUBLIC (decl) = 1;
SET_DECL_ASSEMBLER_NAME (decl, get_identifier (libname));
if (flags & BUILTIN_CONST)
TREE_READONLY (decl) = 1;
- implicit_built_in_decls[val] = decl;
- built_in_decls[val] = decl;
+ set_builtin_decl (val, decl, true);
}
\f
initialize_builtins (void)
{
tree double_ftype_double, double_ftype_double_double;
- tree float_ftype_float, float_ftype_float_float;
+ tree float_ftype_float_float;
tree boolean_ftype_boolean_boolean;
- tree t;
int i;
for (i = 0; java_builtins[i].builtin_code != END_BUILTINS; ++i)
void_list_node = end_params_node;
- 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);
+ float_ftype_float_float
+ = build_function_type_list (float_type_node,
+ float_type_node, float_type_node, NULL_TREE);
- 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);
+ double_ftype_double
+ = build_function_type_list (double_type_node, double_type_node, NULL_TREE);
+ double_ftype_double_double
+ = build_function_type_list (double_type_node,
+ double_type_node, double_type_node, NULL_TREE);
define_builtin (BUILT_IN_FMOD, "__builtin_fmod",
double_ftype_double_double, "fmod", BUILTIN_CONST);
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);
+ boolean_ftype_boolean_boolean
+ = build_function_type_list (boolean_type_node,
+ boolean_type_node, boolean_type_node,
+ NULL_TREE);
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,
+ define_builtin (BUILT_IN_SYNC_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,
+ define_builtin (BUILT_IN_SYNC_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),
+ define_builtin (BUILT_IN_SYNC_SYNCHRONIZE, "__sync_synchronize",
+ build_function_type_list (void_type_node, NULL_TREE),
"__sync_synchronize", BUILTIN_NOTHROW);
define_builtin (BUILT_IN_RETURN_ADDRESS, "__builtin_return_address",
with the BC-ABI. */
if (flag_indirect_dispatch)
return call;
- fn = built_in_decls[java_builtins[i].builtin_code];
+ fn = builtin_decl_explicit (java_builtins[i].builtin_code);
if (fn == NULL_TREE)
return call;
return java_build_function_call_expr (fn, call);
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