#define MAX_RECOG_ALTERNATIVES 30
#define recog_memoized(I) (INSN_CODE (I) >= 0 \
? INSN_CODE (I) : recog_memoized_1 (I))
enum op_type {
OP_IN,
OP_OUT,
OP_INOUT
};
struct operand_alternative
{
const char *constraint;
enum reg_class class;
unsigned int reject;
int matches;
int matched;
unsigned int earlyclobber:1;
unsigned int memory_ok:1;
unsigned int offmem_ok:1;
unsigned int nonoffmem_ok:1;
unsigned int decmem_ok:1;
unsigned int incmem_ok:1;
unsigned int is_address:1;
unsigned int anything_ok:1;
};
extern void init_recog (void);
extern void init_recog_no_volatile (void);
extern int recog_memoized_1 (rtx);
extern int check_asm_operands (rtx);
extern int asm_operand_ok (rtx, const char *);
extern int validate_change (rtx, rtx *, rtx, int);
extern int insn_invalid_p (rtx);
extern int apply_change_group (void);
extern int num_validated_changes (void);
extern void cancel_changes (int);
extern int constrain_operands (int);
extern int constrain_operands_cached (int);
extern int memory_address_p (enum machine_mode, rtx);
extern int strict_memory_address_p (enum machine_mode, rtx);
extern int validate_replace_rtx_subexp (rtx, rtx, rtx, rtx *);
extern int validate_replace_rtx (rtx, rtx, rtx);
extern void validate_replace_rtx_group (rtx, rtx, rtx);
extern void validate_replace_src_group (rtx, rtx, rtx);
extern int num_changes_pending (void);
#ifdef HAVE_cc0
extern int next_insn_tests_no_inequality (rtx);
#endif
extern int reg_fits_class_p (rtx, enum reg_class, int, enum machine_mode);
extern rtx *find_single_use (rtx, rtx, rtx *);
extern int general_operand (rtx, enum machine_mode);
extern int address_operand (rtx, enum machine_mode);
extern int register_operand (rtx, enum machine_mode);
extern int pmode_register_operand (rtx, enum machine_mode);
extern int scratch_operand (rtx, enum machine_mode);
extern int immediate_operand (rtx, enum machine_mode);
extern int const_int_operand (rtx, enum machine_mode);
extern int const_double_operand (rtx, enum machine_mode);
extern int nonimmediate_operand (rtx, enum machine_mode);
extern int nonmemory_operand (rtx, enum machine_mode);
extern int push_operand (rtx, enum machine_mode);
extern int pop_operand (rtx, enum machine_mode);
extern int memory_operand (rtx, enum machine_mode);
extern int indirect_operand (rtx, enum machine_mode);
extern int comparison_operator (rtx, enum machine_mode);
extern int offsettable_memref_p (rtx);
extern int offsettable_nonstrict_memref_p (rtx);
extern int offsettable_address_p (int, enum machine_mode, rtx);
extern int mode_dependent_address_p (rtx);
extern int recog (rtx, rtx, int *);
extern void add_clobbers (rtx, int);
extern int added_clobbers_hard_reg_p (int);
extern void insn_extract (rtx);
extern void extract_insn (rtx);
extern void extract_constrain_insn_cached (rtx);
extern void extract_insn_cached (rtx);
extern void preprocess_constraints (void);
extern rtx peep2_next_insn (int);
extern int peep2_regno_dead_p (int, int);
extern int peep2_reg_dead_p (int, rtx);
#ifdef CLEAR_HARD_REG_SET
extern rtx peep2_find_free_register (int, int, const char *,
enum machine_mode, HARD_REG_SET *);
#endif
extern void peephole2_optimize (FILE *);
extern rtx peephole2_insns (rtx, rtx, int *);
extern int store_data_bypass_p (rtx, rtx);
extern int if_test_bypass_p (rtx, rtx);
extern int volatile_ok;
extern int which_alternative;
struct recog_data
{
rtx operand[MAX_RECOG_OPERANDS];
rtx *operand_loc[MAX_RECOG_OPERANDS];
const char *constraints[MAX_RECOG_OPERANDS];
enum machine_mode operand_mode[MAX_RECOG_OPERANDS];
enum op_type operand_type[MAX_RECOG_OPERANDS];
rtx *dup_loc[MAX_DUP_OPERANDS];
char dup_num[MAX_DUP_OPERANDS];
char n_operands;
char n_dups;
char n_alternatives;
rtx insn;
};
extern struct recog_data recog_data;
extern struct operand_alternative recog_op_alt[MAX_RECOG_OPERANDS][MAX_RECOG_ALTERNATIVES];
typedef int (*insn_operand_predicate_fn) (rtx, enum machine_mode);
typedef const char * (*insn_output_fn) (rtx *, rtx);
typedef rtx (*insn_gen_fn) (rtx, ...);
struct insn_operand_data
{
const insn_operand_predicate_fn predicate;
const char *const constraint;
ENUM_BITFIELD(machine_mode) const mode : 16;
const char strict_low;
const char eliminable;
};
#define INSN_OUTPUT_FORMAT_NONE 0
#define INSN_OUTPUT_FORMAT_SINGLE 1
#define INSN_OUTPUT_FORMAT_MULTI 2
#define INSN_OUTPUT_FORMAT_FUNCTION 3
struct insn_data
{
const char *const name;
#if HAVE_DESIGNATED_INITIALIZERS
union {
const char *single;
const char *const *multi;
insn_output_fn function;
} output;
#else
struct {
const char *single;
const char *const *multi;
insn_output_fn function;
} output;
#endif
const insn_gen_fn genfun;
const struct insn_operand_data *const operand;
const char n_operands;
const char n_dups;
const char n_alternatives;
const char output_format;
};
extern const struct insn_data insn_data[];