/* Front-end tree definitions for GNU compiler.
- Copyright (C) 1989, 93-98, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
+ Free Software Foundation, Inc.
This file is part of GNU CC.
Boston, MA 02111-1307, USA. */
#include "machmode.h"
+#include "version.h"
#ifndef RTX_CODE
struct rtx_def;
extern const char *tree_code_name[MAX_TREE_CODES];
\f
-/* Classify which part of the compiler has defined a given builtin
- function. */
+/* Classify which part of the compiler has defined a given builtin function.
+ Note that we assume below that this is no more than two bits. */
enum built_in_class
{
NOT_BUILT_IN = 0,
BUILT_IN_MD,
BUILT_IN_NORMAL
};
+
+/* Names for the above. */
+extern const char *const built_in_class_names[4];
+
/* Codes that identify the various built in functions
so that expand_call can identify them quickly. */
+#define DEF_BUILTIN(x) x,
enum built_in_function
{
- BUILT_IN_ALLOCA,
- BUILT_IN_ABS,
- BUILT_IN_FABS,
- BUILT_IN_LABS,
- BUILT_IN_FFS,
- BUILT_IN_DIV,
- BUILT_IN_LDIV,
- BUILT_IN_FFLOOR,
- BUILT_IN_FCEIL,
- BUILT_IN_FMOD,
- BUILT_IN_FREM,
- BUILT_IN_MEMCPY,
- BUILT_IN_MEMCMP,
- BUILT_IN_MEMSET,
- BUILT_IN_STRCPY,
- BUILT_IN_STRCMP,
- BUILT_IN_STRLEN,
- BUILT_IN_FSQRT,
- BUILT_IN_SIN,
- BUILT_IN_COS,
- BUILT_IN_GETEXP,
- BUILT_IN_GETMAN,
- BUILT_IN_SAVEREGS,
- BUILT_IN_CLASSIFY_TYPE,
- BUILT_IN_NEXT_ARG,
- BUILT_IN_ARGS_INFO,
- BUILT_IN_CONSTANT_P,
- BUILT_IN_FRAME_ADDRESS,
- BUILT_IN_RETURN_ADDRESS,
- BUILT_IN_AGGREGATE_INCOMING_ADDRESS,
- BUILT_IN_APPLY_ARGS,
- BUILT_IN_APPLY,
- BUILT_IN_RETURN,
- BUILT_IN_SETJMP,
- BUILT_IN_LONGJMP,
- BUILT_IN_TRAP,
-
- /* ISO C99 floating point unordered comparisons. */
- BUILT_IN_ISGREATER,
- BUILT_IN_ISGREATEREQUAL,
- BUILT_IN_ISLESS,
- BUILT_IN_ISLESSEQUAL,
- BUILT_IN_ISLESSGREATER,
- BUILT_IN_ISUNORDERED,
-
- /* Various hooks for the DWARF 2 __throw routine. */
- BUILT_IN_UNWIND_INIT,
- BUILT_IN_DWARF_CFA,
- BUILT_IN_DWARF_FP_REGNUM,
- BUILT_IN_INIT_DWARF_REG_SIZES,
- BUILT_IN_FROB_RETURN_ADDR,
- BUILT_IN_EXTRACT_RETURN_ADDR,
- BUILT_IN_EH_RETURN,
-
- BUILT_IN_VARARGS_START,
- BUILT_IN_STDARG_START,
- BUILT_IN_VA_END,
- BUILT_IN_VA_COPY,
-
- /* C++ extensions */
- BUILT_IN_NEW,
- BUILT_IN_VEC_NEW,
- BUILT_IN_DELETE,
- BUILT_IN_VEC_DELETE,
+#include "builtins.def"
/* Upper bound on non-language-specific builtins. */
END_BUILTINS
};
+#undef DEF_BUILTIN
+
+/* Names for the above. */
+extern const char *const built_in_names[(int) END_BUILTINS];
\f
/* The definition of tree nodes fills the next several pages. */
unsigned asm_written_flag: 1;
unsigned used_flag : 1;
- unsigned raises_flag : 1;
+ unsigned nothrow_flag : 1;
unsigned static_flag : 1;
unsigned public_flag : 1;
unsigned private_flag : 1;
TREE_USED in
expressions, IDENTIFIER_NODE
- raises_flag:
+ nothrow_flag:
- TREE_RAISES in
- expressions
+ TREE_NOTHROW in
+ CALL_EXPR, FUNCTION_DECL
*/
/* Define accessors for the fields that all tree nodes have
#define POINTER_TYPE_P(TYPE) \
(TREE_CODE (TYPE) == POINTER_TYPE || TREE_CODE (TYPE) == REFERENCE_TYPE)
+/* Nonzero if this type is a complete type. */
+#define COMPLETE_TYPE_P(NODE) (TYPE_SIZE (NODE) != NULL_TREE)
+
+/* Nonzero if this type is complete or is cv void. */
+#define COMPLETE_OR_VOID_TYPE_P(NODE) \
+ (COMPLETE_TYPE_P (NODE) || TREE_CODE (NODE) == VOID_TYPE)
+
+/* Nonzero if this type is complete or is an array with unspecified bound. */
+#define COMPLETE_OR_UNBOUND_ARRAY_TYPE_P(NODE) \
+ (COMPLETE_TYPE_P (TREE_CODE (NODE) == ARRAY_TYPE ? TREE_TYPE (NODE) : NODE))
+
/* Nonzero if TYPE represents a type. */
#define TYPE_P(TYPE) (TREE_CODE_CLASS (TREE_CODE (TYPE)) == 't')
/* Nonzero means permanent node;
node will continue to exist for the entire compiler run.
- Otherwise it will be recycled at the end of the function. */
+ Otherwise it will be recycled at the end of the function.
+ This flag is always zero if garbage collection is in use.
+ Try not to use this. Only set it with TREE_SET_PERMANENT. */
#define TREE_PERMANENT(NODE) ((NODE)->common.permanent_flag)
+#define TREE_SET_PERMANENT(NODE) do { \
+ if (!ggc_p && current_obstack == &permanent_obstack) \
+ TREE_PERMANENT(NODE) = 1; \
+} while (0)
/* In INTEGER_TYPE or ENUMERAL_TYPE nodes, means an unsigned type.
In FIELD_DECL nodes, means an unsigned bit field.
was used. */
#define TREE_USED(NODE) ((NODE)->common.used_flag)
-/* Nonzero for a tree node whose evaluation could result
- in the raising of an exception. Not implemented yet. */
-#define TREE_RAISES(NODE) ((NODE)->common.raises_flag)
+/* In a FUNCTION_DECL, nonzero means a call to the function cannot throw
+ an exception. In a CALL_EXPR, nonzero means the call cannot throw. */
+#define TREE_NOTHROW(NODE) ((NODE)->common.nothrow_flag)
/* Used in classes in C++. */
#define TREE_PRIVATE(NODE) ((NODE)->common.private_flag)
#define INT_CST_LT(A, B) \
(TREE_INT_CST_HIGH (A) < TREE_INT_CST_HIGH (B) \
|| (TREE_INT_CST_HIGH (A) == TREE_INT_CST_HIGH (B) \
- && ((unsigned HOST_WIDE_INT) TREE_INT_CST_LOW (A) \
- < (unsigned HOST_WIDE_INT) TREE_INT_CST_LOW (B))))
+ && TREE_INT_CST_LOW (A) < TREE_INT_CST_LOW (B)))
#define INT_CST_LT_UNSIGNED(A, B) \
(((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (A) \
< (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (B)) \
|| (((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (A) \
- == (unsigned HOST_WIDE_INT ) TREE_INT_CST_HIGH (B)) \
- && (((unsigned HOST_WIDE_INT) TREE_INT_CST_LOW (A) \
- < (unsigned HOST_WIDE_INT) TREE_INT_CST_LOW (B)))))
+ == (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (B)) \
+ && TREE_INT_CST_LOW (A) < TREE_INT_CST_LOW (B)))
struct tree_int_cst
{
char common[sizeof (struct tree_common)];
struct rtx_def *rtl; /* acts as link to register transfer language
(rtl) info */
- HOST_WIDE_INT int_cst_low;
+ unsigned HOST_WIDE_INT int_cst_low;
HOST_WIDE_INT int_cst_high;
};
listed in the BLOCK_VARS slot. */
#define BLOCK_HANDLER_BLOCK(NODE) (BLOCK_CHECK (NODE)->block.handler_block_flag)
+/* An index number for this block. These values are not guaranteed to
+ be unique across functions -- whether or not they are depends on
+ the debugging output format in use. */
+#define BLOCK_NUMBER(NODE) (BLOCK_CHECK (NODE)->block.block_num)
+
struct tree_block
{
char common[sizeof (struct tree_common)];
unsigned handler_block_flag : 1;
unsigned abstract_flag : 1;
+ unsigned block_num : 30;
union tree_node *vars;
union tree_node *subblocks;
The value is an int, measured in bits. */
#define TYPE_ALIGN(NODE) (TYPE_CHECK (NODE)->type.align)
+/* The alignment for NODE, in bytes. */
+#define TYPE_ALIGN_UNIT(NODE) \
+ (TYPE_ALIGN (NODE) / BITS_PER_UNIT)
+
#define TYPE_STUB_DECL(NODE) (TREE_CHAIN (NODE))
/* In a RECORD_TYPE, UNION_TYPE or QUAL_UNION_TYPE, it means the type
its size. */
#define TYPE_NO_FORCE_BLK(NODE) (TYPE_CHECK (NODE)->type.no_force_blk_flag)
+/* In an INTEGER_TYPE, it means the type represents a size. We use this
+ both for validity checking and to permit optimziations that are unsafe
+ for other types. */
+#define TYPE_IS_SIZETYPE(NODE) (TYPE_CHECK (NODE)->type.no_force_blk_flag)
+
/* Nonzero in a type considered volatile as a whole. */
#define TYPE_VOLATILE(NODE) ((NODE)->common.volatile_flag)
unsigned char precision;
#ifdef ONLY_INT_FIELDS
- int mode : 8;
+ unsigned int mode : 8;
#else
enum machine_mode mode : 8;
#endif
#define BINFO_VPTR_FIELD(NODE) TREE_VEC_ELT ((NODE), 5)
/* The size of a base class subobject of this type. Not all frontends
- currently allocate the space for this field. */
+ currently allocate the space for these fields. */
#define BINFO_SIZE(NODE) TREE_VEC_ELT ((NODE), 6)
+#define BINFO_SIZE_UNIT(NODE) TREE_VEC_ELT ((NODE), 7)
#define TYPE_BINFO_SIZE(NODE) BINFO_SIZE (TYPE_BINFO (NODE))
+#define TYPE_BINFO_SIZE_UNIT(NODE) BINFO_SIZE_UNIT (TYPE_BINFO (NODE))
/* Slot used to build a chain that represents a use of inheritance.
For example, if X is derived from Y, and Y is derived from Z,
containing function, the RECORD_TYPE or UNION_TYPE for the containing
type, or NULL_TREE if the given decl has "file scope". */
#define DECL_CONTEXT(NODE) (DECL_CHECK (NODE)->decl.context)
-#define DECL_FIELD_CONTEXT(NODE) (DECL_CHECK (NODE)->decl.context)
+#define DECL_FIELD_CONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->decl.context)
/* In a DECL this is the field where configuration dependent machine
attributes are store */
#define DECL_MACHINE_ATTRIBUTES(NODE) (DECL_CHECK (NODE)->decl.machine_attributes)
-/* In a FIELD_DECL, this is the field position, counting in bits,
- of the bit closest to the beginning of the structure. */
-#define DECL_FIELD_BITPOS(NODE) (DECL_CHECK (NODE)->decl.arguments)
+/* In a FIELD_DECL, this is the field position, counting in bytes, of the
+ byte containing the bit closest to the beginning of the structure. */
+#define DECL_FIELD_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->decl.arguments)
+/* In a FIELD_DECL, this is the offset, in bits, of the first bit of the
+ field from DECL_FIELD_OFFSET. */
+#define DECL_FIELD_BIT_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->decl.u2.t)
/* In a FIELD_DECL, this indicates whether the field was a bit-field and
if so, the type that was originally specified for it.
TREE_TYPE may have been modified (in finish_struct). */
-#define DECL_BIT_FIELD_TYPE(NODE) (DECL_CHECK (NODE)->decl.result)
+#define DECL_BIT_FIELD_TYPE(NODE) (FIELD_DECL_CHECK (NODE)->decl.result)
/* In FUNCTION_DECL, a chain of ..._DECL nodes. */
/* VAR_DECL and PARM_DECL reserve the arguments slot
for language-specific uses. */
#define DECL_ARGUMENTS(NODE) (DECL_CHECK (NODE)->decl.arguments)
+/* This field is used to reference anything in decl.result and is meant only
+ for use by the garbage collector. */
+#define DECL_RESULT_FLD(NODE) (DECL_CHECK (NODE)->decl.result)
/* In FUNCTION_DECL, holds the decl for the return value. */
-#define DECL_RESULT(NODE) (DECL_CHECK (NODE)->decl.result)
+#define DECL_RESULT(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.result)
/* For a TYPE_DECL, holds the "original" type. (TREE_TYPE has the copy.) */
-#define DECL_ORIGINAL_TYPE(NODE) (DECL_CHECK (NODE)->decl.result)
+#define DECL_ORIGINAL_TYPE(NODE) (TYPE_DECL_CHECK (NODE)->decl.result)
/* In PARM_DECL, holds the type as written (perhaps a function or array). */
-#define DECL_ARG_TYPE_AS_WRITTEN(NODE) (DECL_CHECK (NODE)->decl.result)
+#define DECL_ARG_TYPE_AS_WRITTEN(NODE) (PARM_DECL_CHECK (NODE)->decl.result)
/* For a FUNCTION_DECL, holds the tree of BINDINGs.
For a VAR_DECL, holds the initial value.
For a PARM_DECL, not used--default
#define DECL_INITIAL(NODE) (DECL_CHECK (NODE)->decl.initial)
/* For a PARM_DECL, records the data type used to pass the argument,
which may be different from the type seen in the program. */
-#define DECL_ARG_TYPE(NODE) (DECL_CHECK (NODE)->decl.initial) /* In PARM_DECL. */
+#define DECL_ARG_TYPE(NODE) (PARM_DECL_CHECK (NODE)->decl.initial)
/* For a FIELD_DECL in a QUAL_UNION_TYPE, records the expression, which
if nonzero, indicates that the field occupies the type. */
-#define DECL_QUALIFIER(NODE) (DECL_CHECK (NODE)->decl.initial)
+#define DECL_QUALIFIER(NODE) (FIELD_DECL_CHECK (NODE)->decl.initial)
/* These two fields describe where in the source code the declaration was. */
#define DECL_SOURCE_FILE(NODE) (DECL_CHECK (NODE)->decl.filename)
#define DECL_SOURCE_LINE(NODE) (DECL_CHECK (NODE)->decl.linenum)
-/* Holds the size of the datum, as a tree expression.
+/* Holds the size of the datum, in bits, as a tree expression.
Need not be constant. */
#define DECL_SIZE(NODE) (DECL_CHECK (NODE)->decl.size)
+/* Likewise for the size in bytes. */
+#define DECL_SIZE_UNIT(NODE) (DECL_CHECK (NODE)->decl.size_unit)
/* Holds the alignment required for the datum. */
-#define DECL_ALIGN(NODE) (DECL_CHECK (NODE)->decl.frame_size.u)
+#define DECL_ALIGN(NODE) (DECL_CHECK (NODE)->decl.u1.a.align)
+/* For FIELD_DECLs, holds the alignment that DECL_FEILD_OFFSET has. */
+#define DECL_OFFSET_ALIGN(NODE) (FIELD_DECL_CHECK (NODE)->decl.u1.a.off_align)
/* Holds the machine mode corresponding to the declaration of a variable or
field. Always equal to TYPE_MODE (TREE_TYPE (decl)) except for a
FIELD_DECL. */
#define DECL_LIVE_RANGE_RTL(NODE) (DECL_CHECK (NODE)->decl.live_range_rtl)
/* For PARM_DECL, holds an RTL for the stack slot or register
where the data was actually passed. */
-#define DECL_INCOMING_RTL(NODE) (DECL_CHECK (NODE)->decl.saved_insns.r)
+#define DECL_INCOMING_RTL(NODE) (PARM_DECL_CHECK (NODE)->decl.u2.r)
/* For FUNCTION_DECL, if it is inline, holds the saved insn chain. */
-#define DECL_SAVED_INSNS(NODE) (DECL_CHECK (NODE)->decl.saved_insns.f)
+#define DECL_SAVED_INSNS(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.u2.f)
/* For FUNCTION_DECL, if it is inline,
holds the size of the stack frame, as an integer. */
-#define DECL_FRAME_SIZE(NODE) (DECL_CHECK (NODE)->decl.frame_size.i)
+#define DECL_FRAME_SIZE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.u1.i)
/* For FUNCTION_DECL, if it is built-in,
this identifies which built-in operation it is. */
-#define DECL_FUNCTION_CODE(NODE) (DECL_CHECK (NODE)->decl.frame_size.f.code)
-#define DECL_SET_FUNCTION_CODE(NODE,VAL) (DECL_CHECK (NODE)->decl.frame_size.f.code = (VAL))
-/* For a FIELD_DECL, holds the size of the member as an integer. */
-#define DECL_FIELD_SIZE(NODE) (DECL_CHECK (NODE)->decl.saved_insns.i)
+#define DECL_FUNCTION_CODE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.u1.f)
/* The DECL_VINDEX is used for FUNCTION_DECLS in two different ways.
Before the struct containing the FUNCTION_DECL is laid out,
/* For FIELD_DECLS, DECL_FCONTEXT is the *first* baseclass in
which this FIELD_DECL is defined. This information is needed when
writing debugging information about vfield and vbase decls for C++. */
-#define DECL_FCONTEXT(NODE) (DECL_CHECK (NODE)->decl.vindex)
+#define DECL_FCONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->decl.vindex)
/* Every ..._DECL node gets a unique number. */
#define DECL_UID(NODE) (DECL_CHECK (NODE)->decl.uid)
nonzero means the detail info about this type is not dumped into stabs.
Instead it will generate cross reference ('x') of names.
This uses the same flag as DECL_EXTERNAL. */
-#define TYPE_DECL_SUPPRESS_DEBUG(NODE) (DECL_CHECK (NODE)->decl.external_flag)
-
+#define TYPE_DECL_SUPPRESS_DEBUG(NODE) \
+(TYPE_DECL_CHECK (NODE)->decl.external_flag)
/* In VAR_DECL and PARM_DECL nodes, nonzero means declared `register'. */
#define DECL_REGISTER(NODE) (DECL_CHECK (NODE)->decl.regdecl_flag)
/* In LABEL_DECL nodes, nonzero means that an error message about
jumping into such a binding contour has been printed for this label. */
-#define DECL_ERROR_ISSUED(NODE) (DECL_CHECK (NODE)->decl.regdecl_flag)
+#define DECL_ERROR_ISSUED(NODE) (LABEL_DECL_CHECK (NODE)->decl.regdecl_flag)
/* In a FIELD_DECL, indicates this field should be bit-packed. */
-#define DECL_PACKED(NODE) (DECL_CHECK (NODE)->decl.regdecl_flag)
+#define DECL_PACKED(NODE) (FIELD_DECL_CHECK (NODE)->decl.regdecl_flag)
/* In a FUNCTION_DECL with a non-zero DECL_CONTEXT, indicates that a
static chain is not needed. */
-#define DECL_NO_STATIC_CHAIN(NODE) (DECL_CHECK (NODE)->decl.regdecl_flag)
+#define DECL_NO_STATIC_CHAIN(NODE) \
+(FUNCTION_DECL_CHECK (NODE)->decl.regdecl_flag)
/* Nonzero in a ..._DECL means this variable is ref'd from a nested function.
For VAR_DECL nodes, PARM_DECL nodes, and FUNCTION_DECL nodes.
/* Nonzero in a FUNCTION_DECL means this function can be substituted
where it is called. */
-#define DECL_INLINE(NODE) (DECL_CHECK (NODE)->decl.inline_flag)
+#define DECL_INLINE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.inline_flag)
/* Nonzero in a FUNCTION_DECL means this is a built-in function
that is not specified by ansi C and that users are supposed to be allowed
to redefine for any purpose whatever. */
-#define DECL_BUILT_IN_NONANSI(NODE) ((NODE)->common.unsigned_flag)
+#define DECL_BUILT_IN_NONANSI(NODE) \
+(FUNCTION_DECL_CHECK (NODE)->common.unsigned_flag)
/* Nonzero in a FUNCTION_DECL means this function should be treated
as if it were a malloc, meaning it returns a pointer that is
not an alias. */
-#define DECL_IS_MALLOC(NODE) (DECL_CHECK (NODE)->decl.malloc_flag)
+#define DECL_IS_MALLOC(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.malloc_flag)
/* Nonzero in a FIELD_DECL means it is a bit field, and must be accessed
specially. */
-#define DECL_BIT_FIELD(NODE) (DECL_CHECK (NODE)->decl.bit_field_flag)
+#define DECL_BIT_FIELD(NODE) (FIELD_DECL_CHECK (NODE)->decl.bit_field_flag)
/* In a LABEL_DECL, nonzero means label was defined inside a binding
contour that restored a stack level and which is now exited. */
-#define DECL_TOO_LATE(NODE) (DECL_CHECK (NODE)->decl.bit_field_flag)
+#define DECL_TOO_LATE(NODE) (LABEL_DECL_CHECK (NODE)->decl.bit_field_flag)
-/* In a FUNCTION_DECL, nonzero means a built in function. */
-#define DECL_BUILT_IN(NODE) (DECL_BUILT_IN_CLASS (NODE) != NOT_BUILT_IN)
-/* For a builtin function, identify which part of the compiler defined it. */
-#define DECL_BUILT_IN_CLASS(NODE) (DECL_CHECK (NODE)->decl.frame_size.f.bclass)
+/* Unused in FUNCTION_DECL. */
/* In a VAR_DECL that's static,
nonzero if the space is in the text section. */
-#define DECL_IN_TEXT_SECTION(NODE) (DECL_CHECK (NODE)->decl.bit_field_flag)
+#define DECL_IN_TEXT_SECTION(NODE) (VAR_DECL_CHECK (NODE)->decl.bit_field_flag)
+
+/* In a FUNCTION_DECL, nonzero means a built in function. */
+#define DECL_BUILT_IN(NODE) (DECL_BUILT_IN_CLASS (NODE) != NOT_BUILT_IN)
+/* For a builtin function, identify which part of the compiler defined it. */
+#define DECL_BUILT_IN_CLASS(NODE) \
+(FUNCTION_DECL_CHECK (NODE)->decl.built_in_class)
/* Used in VAR_DECLs to indicate that the variable is a vtable.
Used in FIELD_DECLs for vtable pointers.
/* Used in PARM_DECLs whose type are unions to indicate that the
argument should be passed in the same way that the first union
alternative would be passed. */
-#define DECL_TRANSPARENT_UNION(NODE) (DECL_CHECK (NODE)->decl.transparent_union)
+#define DECL_TRANSPARENT_UNION(NODE) \
+(PARM_DECL_CHECK (NODE)->decl.transparent_union)
/* Used in FUNCTION_DECLs to indicate that they should be run automatically
at the beginning or end of execution. */
-#define DECL_STATIC_CONSTRUCTOR(NODE) (DECL_CHECK (NODE)->decl.static_ctor_flag)
-#define DECL_STATIC_DESTRUCTOR(NODE) (DECL_CHECK (NODE)->decl.static_dtor_flag)
+#define DECL_STATIC_CONSTRUCTOR(NODE) \
+(FUNCTION_DECL_CHECK (NODE)->decl.static_ctor_flag)
+
+#define DECL_STATIC_DESTRUCTOR(NODE) \
+(FUNCTION_DECL_CHECK (NODE)->decl.static_dtor_flag)
/* Used to indicate that this DECL represents a compiler-generated entity. */
#define DECL_ARTIFICIAL(NODE) (DECL_CHECK (NODE)->decl.artificial_flag)
/* Used in FUNCTION_DECLs to indicate that function entry and exit should
be instrumented with calls to support routines. */
-#define DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT(NODE) ((NODE)->decl.no_instrument_function_entry_exit)
+#define DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT(NODE) \
+(FUNCTION_DECL_CHECK (NODE)->decl.no_instrument_function_entry_exit)
/* Used in FUNCTION_DECLs to indicate that check-memory-usage should be
disabled in this function. */
-#define DECL_NO_CHECK_MEMORY_USAGE(NODE) ((NODE)->decl.no_check_memory_usage)
+#define DECL_NO_CHECK_MEMORY_USAGE(NODE) \
+(FUNCTION_DECL_CHECK (NODE)->decl.no_check_memory_usage)
/* Used in FUNCTION_DECLs to indicate that limit-stack-* should be
disabled in this function. */
-#define DECL_NO_LIMIT_STACK(NODE) ((NODE)->decl.no_limit_stack)
+#define DECL_NO_LIMIT_STACK(NODE) \
+(FUNCTION_DECL_CHECK (NODE)->decl.no_limit_stack)
/* Additional flags for language-specific uses. */
#define DECL_LANG_FLAG_0(NODE) (DECL_CHECK (NODE)->decl.lang_flag_0)
unsigned artificial_flag : 1;
unsigned weak_flag : 1;
+ unsigned non_addr_const_p : 1;
+ unsigned no_instrument_function_entry_exit : 1;
+ unsigned no_check_memory_usage : 1;
+ unsigned comdat_flag : 1;
+ unsigned malloc_flag : 1;
+ unsigned no_limit_stack : 1;
+#ifdef ONLY_INT_FIELDS
+ unsigned int built_in_class : 2;
+#else
+ enum built_in_class built_in_class : 2;
+#endif
+
unsigned lang_flag_0 : 1;
unsigned lang_flag_1 : 1;
unsigned lang_flag_2 : 1;
unsigned lang_flag_6 : 1;
unsigned lang_flag_7 : 1;
- unsigned non_addr_const_p : 1;
- unsigned no_instrument_function_entry_exit : 1;
- unsigned no_check_memory_usage : 1;
- unsigned comdat_flag : 1;
- unsigned malloc_flag : 1;
- unsigned no_limit_stack : 1;
-
/* For a FUNCTION_DECL, if inline, this is the size of frame needed.
If built-in, this is the code for which built-in function.
- For other kinds of decls, this is DECL_ALIGN. */
+ For other kinds of decls, this is DECL_ALIGN and DECL_OFFSET_ALIGN. */
union {
- int i;
- unsigned int u;
- struct
- {
- unsigned int code:24;
- unsigned int bclass:8;
- } f;
- } frame_size;
+ HOST_WIDE_INT i;
+ enum built_in_function f;
+ struct {unsigned int align : 24; unsigned int off_align : 8;} a;
+ } u1;
+ union tree_node *size_unit;
union tree_node *name;
union tree_node *context;
- union tree_node *arguments;
- union tree_node *result;
- union tree_node *initial;
+ union tree_node *arguments; /* Also used for DECL_FIELD_OFFSET */
+ union tree_node *result; /* Also used for DECL_BIT_FIELD_TYPE */
+ union tree_node *initial; /* Also used for DECL_QUALIFIER */
union tree_node *abstract_origin;
union tree_node *assembler_name;
union tree_node *section_name;
union tree_node *machine_attributes;
- struct rtx_def *rtl; /* acts as link to register transfer language
- (rtl) info */
+ struct rtx_def *rtl; /* RTL representation for object. */
struct rtx_def *live_range_rtl;
- /* For FUNCTION_DECLs: points to insn that constitutes its definition
- on the permanent obstack. For FIELD_DECL, this is DECL_FIELD_SIZE. */
+
+ /* In FUNCTION_DECL, if it is inline, holds the saved insn chain.
+ In FIELD_DECL, is DECL_FIELD_BIT_OFFSET.
+ In PARM_DECL, holds an RTL for the stack slot
+ of register where the data was actually passed.
+ Used by Chill and Java in LABEL_DECL and by C++ and Java in VAR_DECL. */
union {
struct function *f;
struct rtx_def *r;
- HOST_WIDE_INT i;
- } saved_insns;
+ union tree_node *t;
+ int i;
+ } u2;
+
union tree_node *vindex;
int pointer_alias_set;
/* Points to a structure whose details depend on the language in use. */
TI_UINTDI_TYPE,
TI_UINTTI_TYPE,
- TI_CHAR_TYPE,
- TI_SIGNED_CHAR_TYPE,
- TI_UNSIGNED_CHAR_TYPE,
- TI_INTEGER_TYPE,
- TI_UNSIGNED_TYPE,
- TI_SHORT_INTEGER_TYPE,
- TI_SHORT_UNSIGNED_TYPE,
- TI_LONG_INTEGER_TYPE,
- TI_LONG_UNSIGNED_TYPE,
- TI_LONG_LONG_INTEGER_TYPE,
- TI_LONG_LONG_UNSIGNED_TYPE,
-
TI_INTEGER_ZERO,
TI_INTEGER_ONE,
TI_NULL_POINTER,
TI_SIZE_ZERO,
TI_SIZE_ONE,
-
+
+ TI_BITSIZE_ZERO,
+ TI_BITSIZE_ONE,
+ TI_BITSIZE_UNIT,
+
TI_COMPLEX_INTEGER_TYPE,
TI_COMPLEX_FLOAT_TYPE,
TI_COMPLEX_DOUBLE_TYPE,
#define unsigned_intDI_type_node global_trees[TI_UINTDI_TYPE]
#define unsigned_intTI_type_node global_trees[TI_UINTTI_TYPE]
-#define char_type_node global_trees[TI_CHAR_TYPE]
-#define signed_char_type_node global_trees[TI_SIGNED_CHAR_TYPE]
-#define unsigned_char_type_node global_trees[TI_UNSIGNED_CHAR_TYPE]
-#define short_integer_type_node global_trees[TI_SHORT_INTEGER_TYPE]
-#define short_unsigned_type_node global_trees[TI_SHORT_UNSIGNED_TYPE]
-#define integer_type_node global_trees[TI_INTEGER_TYPE]
-#define unsigned_type_node global_trees[TI_UNSIGNED_TYPE]
-#define long_integer_type_node global_trees[TI_LONG_INTEGER_TYPE]
-#define long_unsigned_type_node global_trees[TI_LONG_UNSIGNED_TYPE]
-#define long_long_integer_type_node global_trees[TI_LONG_LONG_INTEGER_TYPE]
-#define long_long_unsigned_type_node global_trees[TI_LONG_LONG_UNSIGNED_TYPE]
-
#define integer_zero_node global_trees[TI_INTEGER_ZERO]
#define integer_one_node global_trees[TI_INTEGER_ONE]
#define size_zero_node global_trees[TI_SIZE_ZERO]
#define size_one_node global_trees[TI_SIZE_ONE]
+#define bitsize_zero_node global_trees[TI_BITSIZE_ZERO]
+#define bitsize_one_node global_trees[TI_BITSIZE_ONE]
+#define bitsize_unit_node global_trees[TI_BITSIZE_UNIT]
+
#define null_pointer_node global_trees[TI_NULL_POINTER]
#define float_type_node global_trees[TI_FLOAT_TYPE]
#define const_ptr_type_node global_trees[TI_CONST_PTR_TYPE]
#define ptrdiff_type_node global_trees[TI_PTRDIFF_TYPE]
#define va_list_type_node global_trees[TI_VA_LIST_TYPE]
+
+/* An enumeration of the standard C integer types. These must be
+ ordered so that shorter types appear before longer ones. */
+enum integer_type_kind
+{
+ itk_char,
+ itk_signed_char,
+ itk_unsigned_char,
+ itk_short,
+ itk_unsigned_short,
+ itk_int,
+ itk_unsigned_int,
+ itk_long,
+ itk_unsigned_long,
+ itk_long_long,
+ itk_unsigned_long_long,
+ itk_none
+};
+
+typedef enum integer_type_kind integer_type_kind;
+
+/* The standard C integer types. Use integer_type_kind to index into
+ this array. */
+extern tree integer_types[itk_none];
+
+#define char_type_node integer_types[itk_char]
+#define signed_char_type_node integer_types[itk_signed_char]
+#define unsigned_char_type_node integer_types[itk_unsigned_char]
+#define short_integer_type_node integer_types[itk_short]
+#define short_unsigned_type_node integer_types[itk_unsigned_short]
+#define integer_type_node integer_types[itk_int]
+#define unsigned_type_node integer_types[itk_unsigned_int]
+#define long_integer_type_node integer_types[itk_long]
+#define long_unsigned_type_node integer_types[itk_unsigned_long]
+#define long_long_integer_type_node integer_types[itk_long_long]
+#define long_long_unsigned_type_node integer_types[itk_unsigned_long_long]
+
\f
#define NULL_TREE (tree) NULL
extern tree make_signed_type PARAMS ((int));
extern tree make_unsigned_type PARAMS ((int));
+extern void initialize_sizetypes PARAMS ((void));
extern void set_sizetype PARAMS ((tree));
extern tree signed_or_unsigned_type PARAMS ((int, tree));
extern void fixup_unsigned_type PARAMS ((tree));
extern tree value_member PARAMS ((tree, tree));
extern tree purpose_member PARAMS ((tree, tree));
extern tree binfo_member PARAMS ((tree, tree));
-extern int attribute_hash_list PARAMS ((tree));
+extern unsigned int attribute_hash_list PARAMS ((tree));
extern int attribute_list_equal PARAMS ((tree, tree));
extern int attribute_list_contained PARAMS ((tree, tree));
extern int tree_int_cst_equal PARAMS ((tree, tree));
extern int tree_int_cst_lt PARAMS ((tree, tree));
+extern int host_integerp PARAMS ((tree, int));
+extern HOST_WIDE_INT tree_low_cst PARAMS ((tree, int));
+extern int tree_int_cst_msb PARAMS ((tree));
extern int tree_int_cst_sgn PARAMS ((tree));
+extern int tree_expr_nonnegative_p PARAMS ((tree));
extern int index_type_equal PARAMS ((tree, tree));
extern tree get_inner_array_type PARAMS ((tree));
extern tree build_type_copy PARAMS ((tree));
/* Given a ..._TYPE node, calculate the TYPE_SIZE, TYPE_SIZE_UNIT,
- TYPE_ALIGN and TYPE_MODE fields.
- If called more than once on one node, does nothing except
- for the first time. */
+ TYPE_ALIGN and TYPE_MODE fields. If called more than once on one
+ node, does nothing except for the first time. */
extern void layout_type PARAMS ((tree));
+/* These functions allow a front-end to perform a manual layout of a
+ RECORD_TYPE. (For instance, if the placement of subsequent fields
+ depends on the placement of fields so far.) Begin by calling
+ start_record_layout. Then, call place_field for each of the
+ fields. Then, call finish_record_layout. See layout_type for the
+ default way in which these functions are used. */
+
+typedef struct record_layout_info
+{
+ /* The RECORD_TYPE that we are laying out. */
+ tree t;
+ /* The offset into the record so far, in bytes, not including bits in
+ BITPOS. */
+ tree offset;
+ /* The last known alignment of SIZE. */
+ unsigned int offset_align;
+ /* The bit position within the last OFFSET_ALIGN bits, in bits. */
+ tree bitpos;
+ /* The alignment of the record so far, in bits. */
+ unsigned int record_align;
+ /* The alignment of the record so far, not including padding, in bits. */
+ unsigned int unpacked_align;
+ /* The static variables (i.e., class variables, as opposed to
+ instance variables) encountered in T. */
+ tree pending_statics;
+ int packed_maybe_necessary;
+} *record_layout_info;
+
+extern record_layout_info start_record_layout PARAMS ((tree));
+extern tree bit_from_pos PARAMS ((tree, tree));
+extern tree byte_from_pos PARAMS ((tree, tree));
+extern void pos_from_byte PARAMS ((tree *, tree *, unsigned int,
+ tree));
+extern void pos_from_bit PARAMS ((tree *, tree *, unsigned int,
+ tree));
+extern void normalize_offset PARAMS ((tree *, tree *,
+ unsigned int));
+extern tree rli_size_unit_so_far PARAMS ((record_layout_info));
+extern tree rli_size_so_far PARAMS ((record_layout_info));
+extern void normalize_rli PARAMS ((record_layout_info));
+extern void place_field PARAMS ((record_layout_info, tree));
+extern void finish_record_layout PARAMS ((record_layout_info));
+
/* Given a hashcode and a ..._TYPE node (for which the hashcode was made),
return a canonicalized ..._TYPE node, so that duplicates are not made.
How the hash code is computed is up to the caller, as long as any two
callers that could hash identical-looking type nodes agree. */
-extern tree type_hash_canon PARAMS ((int, tree));
+extern tree type_hash_canon PARAMS ((unsigned int, tree));
/* Given a VAR_DECL, PARM_DECL, RESULT_DECL or FIELD_DECL node,
calculates the DECL_SIZE, DECL_SIZE_UNIT, DECL_ALIGN and DECL_MODE
extern void layout_decl PARAMS ((tree, unsigned));
+/* Return the mode for data of a given size SIZE and mode class CLASS.
+ If LIMIT is nonzero, then don't use modes bigger than MAX_FIXED_MODE_SIZE.
+ The value is BLKmode if no other mode is found. This is like
+ mode_for_size, but is passed a tree. */
+
+extern enum machine_mode mode_for_size_tree PARAMS ((tree, enum mode_class,
+ int));
+
/* Return an expr equal to X but certainly not valid as an lvalue. */
extern tree non_lvalue PARAMS ((tree));
extern tree pedantic_non_lvalue PARAMS ((tree));
extern tree convert PARAMS ((tree, tree));
+extern unsigned int expr_align PARAMS ((tree));
extern tree size_in_bytes PARAMS ((tree));
extern HOST_WIDE_INT int_size_in_bytes PARAMS ((tree));
+extern tree bit_position PARAMS ((tree));
+extern HOST_WIDE_INT int_bit_position PARAMS ((tree));
+extern tree byte_position PARAMS ((tree));
+extern HOST_WIDE_INT int_byte_position PARAMS ((tree));
+
+/* Define data structures, macros, and functions for handling sizes
+ and the various types used to represent sizes. */
+
+enum size_type_kind
+{
+ SIZETYPE, /* Normal representation of sizes in bytes. */
+ SSIZETYPE, /* Signed representation of sizes in bytes. */
+ USIZETYPE, /* Unsigned representation of sizes in bytes. */
+ BITSIZETYPE, /* Normal representation of sizes in bits. */
+ SBITSIZETYPE, /* Signed representation of sizes in bits. */
+ UBITSIZETYPE, /* Unsifgned representation of sizes in bits. */
+ TYPE_KIND_LAST};
+
+extern tree sizetype_tab[(int) TYPE_KIND_LAST];
+
+#define sizetype sizetype_tab[(int) SIZETYPE]
+#define bitsizetype sizetype_tab[(int) BITSIZETYPE]
+#define ssizetype sizetype_tab[(int) SSIZETYPE]
+#define usizetype sizetype_tab[(int) USIZETYPE]
+#define sbitsizetype sizetype_tab[(int) SBITSIZETYPE]
+#define ubitsizetype sizetype_tab[(int) UBITSIZETYPE]
+
extern tree size_binop PARAMS ((enum tree_code, tree, tree));
-extern tree ssize_binop PARAMS ((enum tree_code, tree, tree));
-extern tree size_int_wide PARAMS ((unsigned HOST_WIDE_INT,
- unsigned HOST_WIDE_INT, int));
-#define size_int(L) size_int_2 ((L), 0, 0)
-#define bitsize_int(L, H) size_int_2 ((L), (H), 1)
-#define size_int_2(L, H, T) \
- size_int_wide ((unsigned HOST_WIDE_INT) (L), \
- (unsigned HOST_WIDE_INT) (H), (T))
+extern tree size_diffop PARAMS ((tree, tree));
+extern tree size_int_wide PARAMS ((HOST_WIDE_INT,
+ enum size_type_kind));
+extern tree size_int_type_wide PARAMS ((HOST_WIDE_INT, tree));
+
+#define size_int_type(L, T) size_int_type_wide ((HOST_WIDE_INT) (L), T)
+#define size_int(L) size_int_wide ((HOST_WIDE_INT) (L), SIZETYPE)
+#define ssize_int(L) size_int_wide ((HOST_WIDE_INT) (L), SSIZETYPE)
+#define bitsize_int(L) size_int_wide ((HOST_WIDE_INT) (L), BITSIZETYPE)
+#define sbitsize_int(L) size_int_wide ((HOST_WIDE_INT) (L), SBITSIZETYPE)
extern tree round_up PARAMS ((tree, int));
extern tree get_pending_sizes PARAMS ((void));
+ (BITS_PER_UNIT > 8) + (BITS_PER_UNIT > 16) + (BITS_PER_UNIT > 32) \
+ (BITS_PER_UNIT > 64) + (BITS_PER_UNIT > 128) + (BITS_PER_UNIT > 256))
-struct sizetype_tab
-{
- tree xsizetype, xbitsizetype;
- tree xssizetype, xusizetype;
- tree xsbitsizetype, xubitsizetype;
-};
-
-extern struct sizetype_tab sizetype_tab;
-
-#define sizetype sizetype_tab.xsizetype
-#define bitsizetype sizetype_tab.xbitsizetype
-#define ssizetype sizetype_tab.xssizetype
-#define usizetype sizetype_tab.xusizetype
-#define sbitsizetype sizetype_tab.xsbitsizetype
-#define ubitsizetype sizetype_tab.xubitsizetype
-
/* If nonzero, an upper limit on alignment of structure fields, in bits. */
-extern int maximum_field_alignment;
+extern unsigned int maximum_field_alignment;
/* If non-zero, the alignment of a bitstring or (power-)set value, in bits. */
-extern int set_alignment;
+extern unsigned int set_alignment;
/* Concatenate two lists (chains of TREE_LIST nodes) X and Y
by making the last node in X point to Y.
extern int list_length PARAMS ((tree));
+/* Returns the number of FIELD_DECLs in a type. */
+
+extern int fields_length PARAMS ((tree));
+
/* integer_zerop (tree x) is nonzero if X is an integer constant of value 0 */
extern int integer_zerop PARAMS ((tree));
extern void (*lang_unsave) PARAMS ((tree *));
extern void (*lang_unsave_expr_now) PARAMS ((tree));
+/* Return 0 if it is safe to evaluate EXPR multiple times,
+ return 1 if it is safe if EXPR is unsaved afterward, or
+ return 2 if it is completely unsafe. */
+extern int unsafe_for_reeval PARAMS ((tree));
+
/* Return 1 if EXP contains a PLACEHOLDER_EXPR; i.e., if it represents a size
or offset that depends on a field within a record.
look for nested component-refs or array-refs at constant positions
and find the ultimate containing object, which is returned. */
-extern tree get_inner_reference PARAMS ((tree, int *, int *, tree *,
- enum machine_mode *, int *,
- int *, int *));
+extern tree get_inner_reference PARAMS ((tree, HOST_WIDE_INT *,
+ HOST_WIDE_INT *, tree *,
+ enum machine_mode *, int *,
+ int *, unsigned int *));
/* Given a DECL or TYPE, return the scope in which it was declared, or
NUL_TREE if there is no containing scope. */
extern tree current_function_decl;
+/* Nonzero means a FUNC_BEGIN label was emitted. */
+extern tree current_function_func_begin_label;
+
/* Nonzero means all ..._TYPE nodes should be allocated permanently. */
extern int all_types_permanent;
extern void warn_about_unused_variables PARAMS ((tree));
extern void start_cleanup_deferral PARAMS ((void));
extern void end_cleanup_deferral PARAMS ((void));
+extern int is_body_block PARAMS ((tree));
+
extern void mark_block_as_eh_region PARAMS ((void));
extern void mark_block_as_not_eh_region PARAMS ((void));
extern int is_eh_region PARAMS ((void));
extern tree fold PARAMS ((tree));
extern int force_fit_type PARAMS ((tree, int));
-extern int add_double PARAMS ((HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT *, HOST_WIDE_INT *));
-extern int neg_double PARAMS ((HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT *, HOST_WIDE_INT *));
-extern int mul_double PARAMS ((HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT *, HOST_WIDE_INT *));
-extern void lshift_double PARAMS ((HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, int, HOST_WIDE_INT *,
- HOST_WIDE_INT *, int));
-extern void rshift_double PARAMS ((HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, int,
- HOST_WIDE_INT *, HOST_WIDE_INT *, int));
-extern void lrotate_double PARAMS ((HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, int, HOST_WIDE_INT *,
- HOST_WIDE_INT *));
-extern void rrotate_double PARAMS ((HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, int, HOST_WIDE_INT *,
- HOST_WIDE_INT *));
+extern int add_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT *,
+ HOST_WIDE_INT *));
+extern int neg_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT *,
+ HOST_WIDE_INT *));
+extern int mul_double PARAMS ((unsigned HOST_WIDE_INT,
+ HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT *,
+ HOST_WIDE_INT *));
+extern void lshift_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ HOST_WIDE_INT, unsigned int,
+ unsigned HOST_WIDE_INT *,
+ HOST_WIDE_INT *, int));
+extern void rshift_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ HOST_WIDE_INT, unsigned int,
+ unsigned HOST_WIDE_INT *,
+ HOST_WIDE_INT *, int));
+extern void lrotate_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ HOST_WIDE_INT, unsigned int,
+ unsigned HOST_WIDE_INT *,
+ HOST_WIDE_INT *));
+extern void rrotate_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ HOST_WIDE_INT, unsigned int,
+ unsigned HOST_WIDE_INT *,
+ HOST_WIDE_INT *));
extern int operand_equal_p PARAMS ((tree, tree, int));
extern tree invert_truthvalue PARAMS ((tree));
extern void set_identifier_size PARAMS ((int));
extern int int_fits_type_p PARAMS ((tree, tree));
extern int tree_log2 PARAMS ((tree));
+extern int tree_floor_log2 PARAMS ((tree));
extern void preserve_initializer PARAMS ((void));
extern void preserve_data PARAMS ((void));
extern int object_permanent_p PARAMS ((tree));
extern int type_precision PARAMS ((tree));
extern int simple_cst_equal PARAMS ((tree, tree));
+extern int compare_tree_int PARAMS ((tree, unsigned int));
extern int type_list_equal PARAMS ((tree, tree));
extern int chain_member PARAMS ((tree, tree));
extern int chain_member_purpose PARAMS ((tree, tree));
extern int chain_member_value PARAMS ((tree, tree));
extern tree listify PARAMS ((tree));
-extern tree type_hash_lookup PARAMS ((int, tree));
-extern void type_hash_add PARAMS ((int, tree));
-extern int type_hash_list PARAMS ((tree));
+extern tree type_hash_lookup PARAMS ((unsigned int, tree));
+extern void type_hash_add PARAMS ((unsigned int, tree));
+extern unsigned int type_hash_list PARAMS ((tree));
extern int simple_cst_list_equal PARAMS ((tree, tree));
extern void debug_obstack PARAMS ((char *));
extern void rtl_in_current_obstack PARAMS ((void));
extern void init_function_start PARAMS ((tree, char *, int));
extern void assign_parms PARAMS ((tree));
extern void put_var_into_stack PARAMS ((tree));
+extern void flush_addressof PARAMS ((tree));
extern void uninitialized_vars_warning PARAMS ((tree));
extern void setjmp_args_warning PARAMS ((void));
extern void mark_all_temps_used PARAMS ((void));
extern void pop_temp_slots PARAMS ((void));
extern void push_temp_slots PARAMS ((void));
extern void preserve_temp_slots PARAMS ((struct rtx_def *));
+extern void preserve_rtl_expr_temps PARAMS ((tree));
extern int aggregate_value_p PARAMS ((tree));
-extern tree reorder_blocks PARAMS ((tree,
- struct rtx_def *));
extern void free_temps_for_rtl_expr PARAMS ((tree));
extern void instantiate_virtual_regs PARAMS ((tree, struct rtx_def *));
+extern void unshare_all_rtl PARAMS ((tree, struct rtx_def *));
extern int max_parm_reg_num PARAMS ((void));
extern void push_function_context PARAMS ((void));
extern void pop_function_context PARAMS ((void));
/* In emit-rtl.c */
extern void start_sequence_for_rtl_expr PARAMS ((tree));
-extern struct rtx_def *emit_line_note_after PARAMS ((char *, int,
- struct rtx_def *));
-extern struct rtx_def *emit_line_note PARAMS ((char *, int));
-extern struct rtx_def *emit_line_note_force PARAMS ((char *, int));
+extern struct rtx_def *emit_line_note_after PARAMS ((const char *, int,
+ struct rtx_def *));
+extern struct rtx_def *emit_line_note PARAMS ((const char *, int));
+extern struct rtx_def *emit_line_note_force PARAMS ((const char *, int));
/* In calls.c */
-extern void special_function_p PARAMS ((tree, int *, int *,
- int *, int *, int *));
+
+/* Flags used by special_function_p. */
+extern int setjmp_call_p PARAMS ((tree));
/* In c-typeck.c */
extern int mark_addressable PARAMS ((tree));
/* In c-common.c */
extern tree truthvalue_conversion PARAMS ((tree));
-extern int min_precision PARAMS ((tree, int));
extern void split_specs_attrs PARAMS ((tree, tree *, tree *));
/* In c-decl.c */
/* In fold-const.c */
extern int div_and_round_double PARAMS ((enum tree_code, int,
- HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT *,
- HOST_WIDE_INT *,
- HOST_WIDE_INT *,
- HOST_WIDE_INT *));
+ unsigned HOST_WIDE_INT,
+ HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT,
+ HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT *,
+ HOST_WIDE_INT *,
+ unsigned HOST_WIDE_INT *,
+ HOST_WIDE_INT *));
/* In stmt.c */
extern void emit_nop PARAMS ((void));