/* Definitions for code generation pass of GNU compiler.
- Copyright (C) 1987-2014 Free Software Foundation, Inc.
+ Copyright (C) 1987-2015 Free Software Foundation, Inc.
This file is part of GCC.
#ifndef GCC_EXPR_H
#define GCC_EXPR_H
-/* For inhibit_defer_pop */
-#include "hashtab.h"
-#include "hash-set.h"
-#include "vec.h"
-#include "machmode.h"
-#include "tm.h"
-#include "hard-reg-set.h"
-#include "input.h"
-#include "function.h"
-/* For XEXP, GEN_INT, rtx_code */
-#include "rtl.h"
-/* For optimize_size */
-#include "flags.h"
-/* For tree_fits_[su]hwi_p, tree_to_[su]hwi, fold_convert, size_binop,
- ssize_int, TREE_CODE, TYPE_SIZE, int_size_in_bytes, */
-#include "tree-core.h"
-/* For GET_MODE_BITSIZE, word_mode */
-
/* This is the 4th arg to `expand_expr'.
EXPAND_STACK_PARM means we are possibly expanding a call param onto
the stack.
tree op0, op1, op2;
} *sepops;
\f
-/* Functions from optabs.c, commonly used, and without need for the optabs
- tables: */
-
-/* Passed to expand_simple_binop and expand_binop to say which options
- to try to use if the requested operation can't be open-coded on the
- requisite mode. Either OPTAB_LIB or OPTAB_LIB_WIDEN says try using
- a library call. Either OPTAB_WIDEN or OPTAB_LIB_WIDEN says try
- using a wider mode. OPTAB_MUST_WIDEN says try widening and don't
- try anything else. */
-
-enum optab_methods
-{
- OPTAB_DIRECT,
- OPTAB_LIB,
- OPTAB_WIDEN,
- OPTAB_LIB_WIDEN,
- OPTAB_MUST_WIDEN
-};
-
-/* Generate code for a simple binary or unary operation. "Simple" in
- this case means "can be unambiguously described by a (mode, code)
- pair and mapped to a single optab." */
-extern rtx expand_simple_binop (enum machine_mode, enum rtx_code, rtx,
- rtx, rtx, int, enum optab_methods);
-extern rtx expand_simple_unop (enum machine_mode, enum rtx_code, rtx, rtx,
- int);
-
-/* Report whether the machine description contains an insn which can
- perform the operation described by CODE and MODE. */
-extern int have_insn_for (enum rtx_code, enum machine_mode);
-
-/* Emit code to make a call to a constant function or a library call. */
-extern void emit_libcall_block (rtx, rtx, rtx, rtx);
-
-/* Create but don't emit one rtl instruction to perform certain operations.
- Modes must match; operands must meet the operation's predicates.
- Likewise for subtraction and for just copying. */
-extern rtx gen_add2_insn (rtx, rtx);
-extern rtx gen_add3_insn (rtx, rtx, rtx);
-extern rtx gen_addptr3_insn (rtx, rtx, rtx);
-extern rtx gen_sub2_insn (rtx, rtx);
-extern rtx gen_sub3_insn (rtx, rtx, rtx);
-extern rtx gen_move_insn (rtx, rtx);
-extern int have_add2_insn (rtx, rtx);
-extern int have_addptr3_insn (rtx, rtx, rtx);
-extern int have_sub2_insn (rtx, rtx);
-
-/* Emit a pair of rtl insns to compare two rtx's and to jump
- to a label if the comparison is true. */
-extern void emit_cmp_and_jump_insns (rtx, rtx, enum rtx_code, rtx,
- enum machine_mode, int, rtx, int prob=-1);
-
-/* Generate code to indirectly jump to a location given in the rtx LOC. */
-extern void emit_indirect_jump (rtx);
-
-/* Generate a conditional trap instruction. */
-extern rtx gen_cond_trap (enum rtx_code, rtx, rtx, rtx);
-
-#include "insn-config.h"
-
-#ifdef HAVE_conditional_move
-/* Emit a conditional move operation. */
-rtx emit_conditional_move (rtx, enum rtx_code, rtx, rtx, enum machine_mode,
- rtx, rtx, enum machine_mode, int);
-
-/* Return nonzero if the conditional move is supported. */
-int can_conditionally_move_p (enum machine_mode mode);
-
-#endif
-rtx emit_conditional_add (rtx, enum rtx_code, rtx, rtx, enum machine_mode,
- rtx, rtx, enum machine_mode, int);
-
-rtx expand_sync_operation (rtx, rtx, enum rtx_code);
-rtx expand_sync_fetch_operation (rtx, rtx, enum rtx_code, bool, rtx);
-rtx expand_sync_lock_test_and_set (rtx, rtx, rtx);
-
-rtx expand_atomic_exchange (rtx, rtx, rtx, enum memmodel);
-rtx expand_atomic_load (rtx, rtx, enum memmodel);
-rtx expand_atomic_store (rtx, rtx, enum memmodel, bool);
-rtx expand_atomic_fetch_op (rtx, rtx, rtx, enum rtx_code, enum memmodel,
- bool);
-rtx expand_atomic_test_and_set (rtx, rtx, enum memmodel);
-rtx expand_atomic_clear (rtx, enum memmodel);
-void expand_atomic_thread_fence (enum memmodel);
-void expand_atomic_signal_fence (enum memmodel);
-
-\f
-/* Functions from expmed.c: */
-
-/* Arguments MODE, RTX: return an rtx for the negation of that value.
- May emit insns. */
-extern rtx negate_rtx (enum machine_mode, rtx);
-
-/* Expand a logical AND operation. */
-extern rtx expand_and (enum machine_mode, rtx, rtx, rtx);
-
-/* Emit a store-flag operation. */
-extern rtx emit_store_flag (rtx, enum rtx_code, rtx, rtx, enum machine_mode,
- int, int);
-
-/* Like emit_store_flag, but always succeeds. */
-extern rtx emit_store_flag_force (rtx, enum rtx_code, rtx, rtx,
- enum machine_mode, int, int);
-
-/* Choose a minimal N + 1 bit approximation to 1/D that can be used to
- replace division by D, and put the least significant N bits of the result
- in *MULTIPLIER_PTR and return the most significant bit. */
-extern unsigned HOST_WIDE_INT choose_multiplier (unsigned HOST_WIDE_INT, int,
- int, unsigned HOST_WIDE_INT *,
- int *, int *);
-\f
-/* Functions from expr.c: */
-
/* This is run during target initialization to set up which modes can be
used directly in memory and to initialize the block move optab. */
extern void init_expr_target (void);
extern void convert_move (rtx, rtx, int);
/* Convert an rtx to specified machine mode and return the result. */
-extern rtx convert_to_mode (enum machine_mode, rtx, int);
+extern rtx convert_to_mode (machine_mode, rtx, int);
/* Convert an rtx to MODE from OLDMODE and return the result. */
-extern rtx convert_modes (enum machine_mode, enum machine_mode, rtx, int);
+extern rtx convert_modes (machine_mode, machine_mode, rtx, int);
/* Emit code to move a block Y to a block X. */
/* Copy all or part of a value X into registers starting at REGNO.
The number of registers to be filled is NREGS. */
-extern void move_block_to_reg (int, rtx, int, enum machine_mode);
+extern void move_block_to_reg (int, rtx, int, machine_mode);
/* Copy all or part of a BLKmode value X out of registers starting at REGNO.
The number of registers to be filled is NREGS. */
/* Mark REG as holding a parameter for the next CALL_INSN.
Mode is TYPE_MODE of the non-promoted parameter, or VOIDmode. */
-extern void use_reg_mode (rtx *, rtx, enum machine_mode);
-extern void clobber_reg_mode (rtx *, rtx, enum machine_mode);
+extern void use_reg_mode (rtx *, rtx, machine_mode);
+extern void clobber_reg_mode (rtx *, rtx, machine_mode);
-extern rtx copy_blkmode_to_reg (enum machine_mode, tree);
+extern rtx copy_blkmode_to_reg (machine_mode, tree);
/* Mark REG as holding a parameter for the next CALL_INSN. */
static inline void
of a const string. */
extern int can_store_by_pieces (unsigned HOST_WIDE_INT,
rtx (*) (void *, HOST_WIDE_INT,
- enum machine_mode),
+ machine_mode),
void *, unsigned int, bool);
/* Generate several move instructions to store LEN bytes generated by
MEMSETP is true if this is a real memset/bzero, not a copy.
Returns TO + LEN. */
extern rtx store_by_pieces (rtx, unsigned HOST_WIDE_INT,
- rtx (*) (void *, HOST_WIDE_INT, enum machine_mode),
+ rtx (*) (void *, HOST_WIDE_INT, machine_mode),
void *, unsigned int, bool, int);
/* Emit insns to set X from Y. */
extern rtx_insn *emit_move_insn (rtx, rtx);
+extern rtx_insn *gen_move_insn (rtx, rtx);
+extern rtx gen_move_insn_uncast (rtx, rtx);
/* Emit insns to set X from Y, with no frills. */
extern rtx_insn *emit_move_insn_1 (rtx, rtx);
-extern rtx_insn *emit_move_complex_push (enum machine_mode, rtx, rtx);
+extern rtx_insn *emit_move_complex_push (machine_mode, rtx, rtx);
extern rtx_insn *emit_move_complex_parts (rtx, rtx);
-extern rtx emit_move_resolve_push (enum machine_mode, rtx);
+extern void write_complex_part (rtx, rtx, bool);
+extern rtx emit_move_resolve_push (machine_mode, rtx);
/* Push a block of length SIZE (perhaps variable)
and return an rtx to address the beginning of the block. */
extern rtx push_block (rtx, int, int);
/* Generate code to push something onto the stack, given its mode and type. */
-extern void emit_push_insn (rtx, enum machine_mode, tree, rtx, unsigned int,
- int, rtx, int, rtx, rtx, int, rtx);
+extern bool emit_push_insn (rtx, machine_mode, tree, rtx, unsigned int,
+ int, rtx, int, rtx, rtx, int, rtx, bool);
/* Expand an assignment that stores the value of FROM into TO. */
extern void expand_assignment (tree, tree, bool);
and storing the value into TARGET.
If SUGGEST_REG is nonzero, copy the value through a register
and return that register, if that is possible. */
+extern rtx store_expr_with_bounds (tree, rtx, int, bool, tree);
extern rtx store_expr (tree, rtx, int, bool);
/* Given an rtx that may include add and multiply operations,
extern rtx force_operand (rtx, rtx);
/* Work horses for expand_expr. */
-extern rtx expand_expr_real (tree, rtx, enum machine_mode,
+extern rtx expand_expr_real (tree, rtx, machine_mode,
enum expand_modifier, rtx *, bool);
-extern rtx expand_expr_real_1 (tree, rtx, enum machine_mode,
+extern rtx expand_expr_real_1 (tree, rtx, machine_mode,
enum expand_modifier, rtx *, bool);
-extern rtx expand_expr_real_2 (sepops, rtx, enum machine_mode,
+extern rtx expand_expr_real_2 (sepops, rtx, machine_mode,
enum expand_modifier);
/* Generate code for computing expression EXP.
An rtx for the computed value is returned. The value is never null.
In the case of a void EXP, const0_rtx is returned. */
static inline rtx
-expand_expr (tree exp, rtx target, enum machine_mode mode,
+expand_expr (tree exp, rtx target, machine_mode mode,
enum expand_modifier modifier)
{
return expand_expr_real (exp, target, mode, modifier, NULL, false);
return expand_expr_real (exp, NULL_RTX, VOIDmode, EXPAND_NORMAL, NULL, false);
}
-/* At the start of a function, record that we have no previously-pushed
- arguments waiting to be popped. */
-extern void init_pending_stack_adjust (void);
-
-/* Discard any pending stack adjustment. */
-extern void discard_pending_stack_adjust (void);
-
-/* When exiting from function, if safe, clear out any pending stack adjust
- so the adjustment won't get done. */
-extern void clear_pending_stack_adjust (void);
-
-/* Pop any previously-pushed arguments that have not been popped yet. */
-extern void do_pending_stack_adjust (void);
-
-/* Struct for saving/restoring of pending_stack_adjust/stack_pointer_delta
- values. */
-
-struct saved_pending_stack_adjust
-{
- /* Saved value of pending_stack_adjust. */
- int x_pending_stack_adjust;
-
- /* Saved value of stack_pointer_delta. */
- int x_stack_pointer_delta;
-};
-
-/* Remember pending_stack_adjust/stack_pointer_delta.
- To be used around code that may call do_pending_stack_adjust (),
- but the generated code could be discarded e.g. using delete_insns_since. */
-
-extern void save_pending_stack_adjust (saved_pending_stack_adjust *);
-
-/* Restore the saved pending_stack_adjust/stack_pointer_delta. */
-
-extern void restore_pending_stack_adjust (saved_pending_stack_adjust *);
/* Return the tree node and offset if a given argument corresponds to
a string constant. */
extern tree string_constant (tree, tree *);
-/* Generate code to evaluate EXP and jump to LABEL if the value is zero. */
-extern void jumpifnot (tree, rtx, int);
-extern void jumpifnot_1 (enum tree_code, tree, tree, rtx, int);
-
-/* Generate code to evaluate EXP and jump to LABEL if the value is nonzero. */
-extern void jumpif (tree, rtx, int);
-extern void jumpif_1 (enum tree_code, tree, tree, rtx, int);
-
-/* Generate code to evaluate EXP and jump to IF_FALSE_LABEL if
- the result is zero, or IF_TRUE_LABEL if the result is one. */
-extern void do_jump (tree, rtx, rtx, int);
-extern void do_jump_1 (enum tree_code, tree, tree, rtx, rtx, int);
-
-extern void do_compare_rtx_and_jump (rtx, rtx, enum rtx_code, int,
- enum machine_mode, rtx, rtx, rtx, int);
-
/* Two different ways of generating switch statements. */
extern int try_casesi (tree, tree, tree, tree, rtx, rtx, rtx, int);
extern int try_tablejump (tree, tree, tree, tree, rtx, rtx, int);
-/* Functions from alias.c */
-#include "alias.h"
-
-\f
-/* rtl.h and tree.h were included. */
-/* Return an rtx for the size in bytes of the value of an expr. */
-extern rtx expr_size (tree);
-
-/* Return a wide integer for the size in bytes of the value of EXP, or -1
- if the size can vary or is larger than an integer. */
-extern HOST_WIDE_INT int_expr_size (tree);
-
-/* Return an rtx that refers to the value returned by a function
- in its original home. This becomes invalid if any more code is emitted. */
-extern rtx hard_function_value (const_tree, const_tree, const_tree, int);
-
-extern rtx prepare_call_address (tree, rtx, rtx, rtx *, int, int);
-
-extern bool shift_return_value (enum machine_mode, bool, rtx);
-
-extern rtx expand_call (tree, rtx, int);
-
-extern void fixup_tail_calls (void);
-
-#ifdef TREE_CODE
-extern rtx expand_variable_shift (enum tree_code, enum machine_mode,
- rtx, tree, rtx, int);
-extern rtx expand_shift (enum tree_code, enum machine_mode, rtx, int, rtx,
- int);
-extern rtx expand_divmod (int, enum tree_code, enum machine_mode, rtx, rtx,
- rtx, int);
-#endif
-
-/* Return the CODE_LABEL rtx for a LABEL_DECL, creating it if necessary. */
-extern rtx label_rtx (tree);
-
-/* As label_rtx, but additionally the label is placed on the forced label
- list of its containing function (i.e. it is treated as reachable even
- if how is not obvious). */
-extern rtx force_label_rtx (tree);
-
-/* Return an rtx like arg but sans any constant terms.
- Returns the original rtx if it has no constant terms.
- The constant terms are added and stored via a second arg. */
-extern rtx eliminate_constant_term (rtx, rtx *);
-
-/* Convert arg to a valid memory address for specified machine mode that points
- to a specific named address space, by emitting insns to perform arithmetic
- if necessary. */
-extern rtx memory_address_addr_space (enum machine_mode, rtx, addr_space_t);
-
-/* Like memory_address_addr_space, except assume the memory address points to
- the generic named address space. */
-#define memory_address(MODE,RTX) \
- memory_address_addr_space ((MODE), (RTX), ADDR_SPACE_GENERIC)
-
-/* Return a memory reference like MEMREF, but with its mode changed
- to MODE and its address changed to ADDR.
- (VOIDmode means don't change the mode.
- NULL for ADDR means don't change the address.) */
-extern rtx change_address (rtx, enum machine_mode, rtx);
-
-/* Return a memory reference like MEMREF, but with its mode changed
- to MODE and its address offset by OFFSET bytes. */
-#define adjust_address(MEMREF, MODE, OFFSET) \
- adjust_address_1 (MEMREF, MODE, OFFSET, 1, 1, 0, 0)
-
-/* Likewise, but the reference is not required to be valid. */
-#define adjust_address_nv(MEMREF, MODE, OFFSET) \
- adjust_address_1 (MEMREF, MODE, OFFSET, 0, 1, 0, 0)
-
-/* Return a memory reference like MEMREF, but with its mode changed
- to MODE and its address offset by OFFSET bytes. Assume that it's
- for a bitfield and conservatively drop the underlying object if we
- cannot be sure to stay within its bounds. */
-#define adjust_bitfield_address(MEMREF, MODE, OFFSET) \
- adjust_address_1 (MEMREF, MODE, OFFSET, 1, 1, 1, 0)
-
-/* As for adjust_bitfield_address, but specify that the width of
- BLKmode accesses is SIZE bytes. */
-#define adjust_bitfield_address_size(MEMREF, MODE, OFFSET, SIZE) \
- adjust_address_1 (MEMREF, MODE, OFFSET, 1, 1, 1, SIZE)
-
-/* Likewise, but the reference is not required to be valid. */
-#define adjust_bitfield_address_nv(MEMREF, MODE, OFFSET) \
- adjust_address_1 (MEMREF, MODE, OFFSET, 0, 1, 1, 0)
-
-/* Return a memory reference like MEMREF, but with its mode changed
- to MODE and its address changed to ADDR, which is assumed to be
- increased by OFFSET bytes from MEMREF. */
-#define adjust_automodify_address(MEMREF, MODE, ADDR, OFFSET) \
- adjust_automodify_address_1 (MEMREF, MODE, ADDR, OFFSET, 1)
-
-/* Likewise, but the reference is not required to be valid. */
-#define adjust_automodify_address_nv(MEMREF, MODE, ADDR, OFFSET) \
- adjust_automodify_address_1 (MEMREF, MODE, ADDR, OFFSET, 0)
-
-extern rtx adjust_address_1 (rtx, enum machine_mode, HOST_WIDE_INT, int, int,
- int, HOST_WIDE_INT);
-extern rtx adjust_automodify_address_1 (rtx, enum machine_mode, rtx,
- HOST_WIDE_INT, int);
-
-/* Return a memory reference like MEMREF, but whose address is changed by
- adding OFFSET, an RTX, to it. POW2 is the highest power of two factor
- known to be in OFFSET (possibly 1). */
-extern rtx offset_address (rtx, rtx, unsigned HOST_WIDE_INT);
-
-/* Definitions from emit-rtl.c */
-#include "emit-rtl.h"
-
-/* Return a memory reference like MEMREF, but with its mode widened to
- MODE and adjusted by OFFSET. */
-extern rtx widen_memory_access (rtx, enum machine_mode, HOST_WIDE_INT);
-
-/* Return a memory reference like MEMREF, but which is known to have a
- valid address. */
-extern rtx validize_mem (rtx);
-
-extern rtx use_anchored_address (rtx);
-
-/* Given REF, a MEM, and T, either the type of X or the expression
- corresponding to REF, set the memory attributes. OBJECTP is nonzero
- if we are making a new object of this type. */
-extern void set_mem_attributes (rtx, tree, int);
-
-/* Similar, except that BITPOS has not yet been applied to REF, so if
- we alter MEM_OFFSET according to T then we should subtract BITPOS
- expecting that it'll be added back in later. */
-extern void set_mem_attributes_minus_bitpos (rtx, tree, int, HOST_WIDE_INT);
-
-/* Return OFFSET if XEXP (MEM, 0) - OFFSET is known to be ALIGN
- bits aligned for 0 <= OFFSET < ALIGN / BITS_PER_UNIT, or
- -1 if not known. */
-extern int get_mem_align_offset (rtx, unsigned int);
-
-/* Assemble the static constant template for function entry trampolines. */
-extern rtx assemble_trampoline_template (void);
-
-/* Copy given rtx to a new temp reg and return that. */
-extern rtx copy_to_reg (rtx);
-
-/* Like copy_to_reg but always make the reg Pmode. */
-extern rtx copy_addr_to_reg (rtx);
-
-/* Like copy_to_reg but always make the reg the specified mode MODE. */
-extern rtx copy_to_mode_reg (enum machine_mode, rtx);
-
-/* Copy given rtx to given temp reg and return that. */
-extern rtx copy_to_suggested_reg (rtx, rtx, enum machine_mode);
-
-/* Copy a value to a register if it isn't already a register.
- Args are mode (in case value is a constant) and the value. */
-extern rtx force_reg (enum machine_mode, rtx);
-
-/* Return given rtx, copied into a new temp reg if it was in memory. */
-extern rtx force_not_mem (rtx);
-
-/* Return mode and signedness to use when an argument or result in the
- given mode is promoted. */
-extern enum machine_mode promote_function_mode (const_tree, enum machine_mode, int *,
- const_tree, int);
-
-/* Return mode and signedness to use when an object in the given mode
- is promoted. */
-extern enum machine_mode promote_mode (const_tree, enum machine_mode, int *);
-
-/* Return mode and signedness to use when object is promoted. */
-enum machine_mode promote_decl_mode (const_tree, int *);
-
-/* Remove some bytes from the stack. An rtx says how many. */
-extern void adjust_stack (rtx);
-
-/* Add some bytes to the stack. An rtx says how many. */
-extern void anti_adjust_stack (rtx);
-
-/* Add some bytes to the stack while probing it. An rtx says how many. */
-extern void anti_adjust_stack_and_probe (rtx, bool);
-
-/* This enum is used for the following two functions. */
-enum save_level {SAVE_BLOCK, SAVE_FUNCTION, SAVE_NONLOCAL};
-
-/* Save the stack pointer at the specified level. */
-extern void emit_stack_save (enum save_level, rtx *);
-
-/* Restore the stack pointer from a save area of the specified level. */
-extern void emit_stack_restore (enum save_level, rtx);
-
-/* Invoke emit_stack_save for the nonlocal_goto_save_area. */
-extern void update_nonlocal_goto_save_area (void);
-
-/* Allocate some space on the stack dynamically and return its address. */
-extern rtx allocate_dynamic_stack_space (rtx, unsigned, unsigned, bool);
-
-/* Emit one stack probe at ADDRESS, an address within the stack. */
-extern void emit_stack_probe (rtx);
-
-/* Probe a range of stack addresses from FIRST to FIRST+SIZE, inclusive.
- FIRST is a constant and size is a Pmode RTX. These are offsets from
- the current stack pointer. STACK_GROWS_DOWNWARD says whether to add
- or subtract them from the stack pointer. */
-extern void probe_stack_range (HOST_WIDE_INT, rtx);
-
-/* Return an rtx that refers to the value returned by a library call
- in its original home. This becomes invalid if any more code is emitted. */
-extern rtx hard_libcall_value (enum machine_mode, rtx);
-
-extern void store_bit_field (rtx, unsigned HOST_WIDE_INT,
- unsigned HOST_WIDE_INT,
- unsigned HOST_WIDE_INT,
- unsigned HOST_WIDE_INT,
- enum machine_mode, rtx);
-extern rtx extract_bit_field (rtx, unsigned HOST_WIDE_INT,
- unsigned HOST_WIDE_INT, int, rtx,
- enum machine_mode, enum machine_mode);
-extern rtx extract_low_bits (enum machine_mode, enum machine_mode, rtx);
-extern rtx expand_mult (enum machine_mode, rtx, rtx, rtx, int);
-extern rtx expand_mult_highpart_adjust (enum machine_mode, rtx, rtx, rtx, rtx, int);
-
-extern rtx assemble_static_space (unsigned HOST_WIDE_INT);
extern int safe_from_p (const_rtx, tree, int);
-extern bool split_comparison (enum rtx_code, enum machine_mode,
- enum rtx_code *, enum rtx_code *);
-
-/* Call this once to initialize the contents of the optabs
- appropriately for the current target machine. */
-extern void init_optabs (void);
-extern void init_all_optabs (struct target_optabs *);
-
-/* Call this to initialize an optab function entry. */
-extern rtx init_one_libfunc (const char *);
-extern rtx set_user_assembler_libfunc (const char *, const char *);
-
-/* Build a decl for a libfunc named NAME. */
-extern tree build_libfunc_function (const char *);
/* Get the personality libfunc for a function decl. */
rtx get_personality_function (tree);
-
-/* In stmt.c */
-
-/* Expand a GIMPLE_SWITCH statement. */
-extern void expand_case (gimple);
-
-/* Like expand_case but special-case for SJLJ exception dispatching. */
-extern void expand_sjlj_dispatch_table (rtx, vec<tree> );
-
/* Determine whether the LEN bytes can be moved by using several move
instructions. Return nonzero if a call to move_by_pieces should
succeed. */
extern int can_move_by_pieces (unsigned HOST_WIDE_INT, unsigned int);
extern unsigned HOST_WIDE_INT highest_pow2_factor (const_tree);
-bool array_at_struct_end_p (tree);
-
-/* Return a tree of sizetype representing the size, in bytes, of the element
- of EXP, an ARRAY_REF or an ARRAY_RANGE_REF. */
-extern tree array_ref_element_size (tree);
extern bool categorize_ctor_elements (const_tree, HOST_WIDE_INT *,
HOST_WIDE_INT *, bool *);
-/* Return a tree representing the offset, in bytes, of the field referenced
- by EXP. This does not include any offset in DECL_FIELD_BIT_OFFSET. */
-extern tree component_ref_field_offset (tree);
+extern void expand_operands (tree, tree, rtx, rtx*, rtx*,
+ enum expand_modifier);
+
+/* rtl.h and tree.h were included. */
+/* Return an rtx for the size in bytes of the value of an expr. */
+extern rtx expr_size (tree);
#endif /* GCC_EXPR_H */
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