/* Register Transfer Language (RTL) definitions for GCC
Copyright (C) 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of GCC.
/* 1 if X is a constant value that is an integer. */
#define CONSTANT_P(X) \
- (GET_RTX_CLASS (GET_CODE (X)) == RTX_CONST_OBJ \
- || GET_CODE (X) == CONST_VECTOR)
+ (GET_RTX_CLASS (GET_CODE (X)) == RTX_CONST_OBJ)
/* 1 if X can be used to represent an object. */
#define OBJECT_P(X) \
not to use an rtx with this cost under any circumstances. */
#define MAX_COST INT_MAX
+extern void init_rtlanal (void);
extern int rtx_cost (rtx, enum rtx_code);
extern int address_cost (rtx, enum machine_mode);
extern unsigned int subreg_lsb (rtx);
/* In emit-rtl.c */
extern rtx gen_highpart (enum machine_mode, rtx);
extern rtx gen_highpart_mode (enum machine_mode, enum machine_mode, rtx);
-extern rtx gen_realpart (enum machine_mode, rtx);
-extern rtx gen_imagpart (enum machine_mode, rtx);
extern rtx operand_subword (rtx, unsigned int, int, enum machine_mode);
/* In emit-rtl.c */
extern rtx split_insns (rtx, rtx);
/* In simplify-rtx.c */
+extern rtx simplify_const_unary_operation (enum rtx_code, enum machine_mode,
+ rtx, enum machine_mode);
extern rtx simplify_unary_operation (enum rtx_code, enum machine_mode, rtx,
enum machine_mode);
+extern rtx simplify_const_binary_operation (enum rtx_code, enum machine_mode,
+ rtx, rtx);
extern rtx simplify_binary_operation (enum rtx_code, enum machine_mode, rtx,
rtx);
extern rtx simplify_ternary_operation (enum rtx_code, enum machine_mode,
extern int reg_referenced_p (rtx, rtx);
extern int reg_used_between_p (rtx, rtx, rtx);
extern int reg_set_between_p (rtx, rtx, rtx);
-extern int regs_set_between_p (rtx, rtx, rtx);
extern int commutative_operand_precedence (rtx);
extern int swap_commutative_operands_p (rtx, rtx);
extern int modified_between_p (rtx, rtx, rtx);
extern int true_regnum (rtx);
extern unsigned int reg_or_subregno (rtx);
extern int redirect_jump_1 (rtx, rtx);
+extern void redirect_jump_2 (rtx, rtx, rtx, int, int);
extern int redirect_jump (rtx, rtx, int);
extern void rebuild_jump_labels (rtx);
+extern rtx reversed_comparison (rtx, enum machine_mode);
extern enum rtx_code reversed_comparison_code (rtx, rtx);
extern enum rtx_code reversed_comparison_code_parts (enum rtx_code,
rtx, rtx, rtx);
extern void init_emit_once (int);
extern void push_topmost_sequence (void);
extern void pop_topmost_sequence (void);
-extern void reverse_comparison (rtx);
extern void set_new_first_and_last_insn (rtx, rtx);
extern void unshare_all_rtl (void);
extern void unshare_all_rtl_again (rtx);
extern void delete_insn_chain_and_edges (rtx, rtx);
extern rtx gen_lowpart_SUBREG (enum machine_mode, rtx);
extern rtx gen_const_mem (enum machine_mode, rtx);
+extern bool validate_subreg (enum machine_mode, enum machine_mode,
+ rtx, unsigned int);
/* In combine.c */
extern int combine_instructions (rtx, unsigned int);
unsigned int, int);
/* In flow.c */
-extern void recompute_reg_usage (rtx, int);
+extern void recompute_reg_usage (void);
extern int initialize_uninitialized_subregs (void);
extern void delete_dead_jumptables (void);
extern void print_rtl_with_bb (FILE *, rtx);
extern void init_expmed (void);
extern void expand_inc (rtx, rtx);
extern void expand_dec (rtx, rtx);
-extern rtx expand_mult_highpart (enum machine_mode, rtx,
- unsigned HOST_WIDE_INT, rtx, int, int);
/* In gcse.c */
extern bool can_copy_p (enum machine_mode);
extern void init_regs (void);
extern void init_fake_stack_mems (void);
extern void init_reg_sets (void);
-extern void regset_release_memory (void);
extern void regclass_init (void);
extern void regclass (rtx, int, FILE *);
-extern void reg_scan (rtx, unsigned int, int);
+extern void reg_scan (rtx, unsigned int);
extern void reg_scan_update (rtx, rtx, unsigned int);
extern void fix_register (const char *, int, int);
extern void init_subregs_of_mode (void);
LCT_PURE_MAKE_BLOCK = 4,
LCT_NORETURN = 5,
LCT_THROW = 6,
- LCT_ALWAYS_RETURN = 7,
- LCT_RETURNS_TWICE = 8
+ LCT_RETURNS_TWICE = 7
};
extern void emit_library_call (rtx, enum libcall_type, enum machine_mode, int,
extern rtx emit_library_call_value (rtx, rtx, enum libcall_type,
enum machine_mode, int, ...);
-/* In unroll.c */
-extern int set_dominates_use (int, int, int, rtx, rtx);
-
/* In varasm.c */
extern int in_data_section (void);
extern void init_varasm_once (void);
/* In rtl.c */
-extern void init_rtl (void);
extern void traverse_md_constants (int (*) (void **, void *), void *);
struct md_constant { char *name, *value; };
/* In read-rtl.c */
extern int read_skip_spaces (FILE *);
extern bool read_rtx (FILE *, rtx *, int *);
+extern void copy_rtx_ptr_loc (const void *, const void *);
+extern void print_rtx_ptr_loc (const void *);
+extern const char *join_c_conditions (const char *, const char *);
+extern void print_c_condition (const char *);
extern const char *read_rtx_filename;
extern int read_rtx_lineno;
struct rtl_hooks
{
rtx (*gen_lowpart) (enum machine_mode, rtx);
+ rtx (*gen_lowpart_no_emit) (enum machine_mode, rtx);
rtx (*reg_nonzero_bits) (rtx, enum machine_mode, rtx, enum machine_mode,
unsigned HOST_WIDE_INT, unsigned HOST_WIDE_INT *);
rtx (*reg_num_sign_bit_copies) (rtx, enum machine_mode, rtx, enum machine_mode,