/* Declarations for interface to insn recognizer and insn-output.c.
- Copyright (C) 1987, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1987, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004,
+ 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* Random number that should be large enough for all purposes. */
#define MAX_RECOG_ALTERNATIVES 30
const char *constraint;
/* The register class valid for this alternative (possibly NO_REGS). */
- enum reg_class class;
+ enum reg_class cl;
/* "Badness" of this alternative, computed from number of '?' and '!'
characters in the constraint string. */
/* Nonzero if '&' was found in the constraint string. */
unsigned int earlyclobber:1;
- /* Nonzero if 'm' was found in the constraint string. */
- unsigned int memory_ok:1;
+ /* Nonzero if TARGET_MEM_CONSTRAINT was found in the constraint
+ string. */
+ unsigned int memory_ok:1;
/* Nonzero if 'o' was found in the constraint string. */
- unsigned int offmem_ok:1;
+ unsigned int offmem_ok:1;
/* Nonzero if 'V' was found in the constraint string. */
unsigned int nonoffmem_ok:1;
/* Nonzero if '<' was found in the constraint string. */
unsigned int decmem_ok:1;
/* Nonzero if '>' was found in the constraint string. */
unsigned int incmem_ok:1;
+ /* Nonzero if 'p' was found in the constraint string. */
+ unsigned int is_address:1;
/* Nonzero if 'X' was found in the constraint string, or if the constraint
string for this alternative was empty. */
unsigned int anything_ok:1;
};
-extern void init_recog PROTO((void));
-extern void init_recog_no_volatile PROTO((void));
-extern int recog_memoized PROTO((rtx));
-extern int check_asm_operands PROTO((rtx));
-extern int asm_operand_ok PROTO((rtx, const char *));
-extern int validate_change PROTO((rtx, rtx *, rtx, int));
-extern int apply_change_group PROTO((void));
-extern int num_validated_changes PROTO((void));
-extern void cancel_changes PROTO((int));
-extern int constrain_operands PROTO((int));
-extern int memory_address_p PROTO((enum machine_mode, rtx));
-extern int strict_memory_address_p PROTO((enum machine_mode, rtx));
-extern int validate_replace_rtx PROTO((rtx, rtx, rtx));
-extern void validate_replace_rtx_group PROTO((rtx, rtx, rtx));
-extern int validate_replace_src PROTO((rtx, rtx, rtx));
+extern void init_recog (void);
+extern void init_recog_no_volatile (void);
+extern int check_asm_operands (rtx);
+extern int asm_operand_ok (rtx, const char *, const char **);
+extern bool validate_change (rtx, rtx *, rtx, bool);
+extern bool validate_unshare_change (rtx, rtx *, rtx, bool);
+extern bool canonicalize_change_group (rtx insn, rtx x);
+extern int insn_invalid_p (rtx);
+extern int verify_changes (int);
+extern void confirm_change_group (void);
+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_addr_space_p (enum machine_mode, rtx, addr_space_t);
+#define memory_address_p(mode,addr) \
+ memory_address_addr_space_p ((mode), (addr), ADDR_SPACE_GENERIC)
+extern int strict_memory_address_addr_space_p (enum machine_mode, rtx,
+ addr_space_t);
+#define strict_memory_address_p(mode,addr) \
+ strict_memory_address_addr_space_p ((mode), (addr), ADDR_SPACE_GENERIC)
+extern int validate_replace_rtx_subexp (rtx, rtx, rtx, rtx *);
+extern int validate_replace_rtx (rtx, rtx, rtx);
+extern int validate_replace_rtx_part (rtx, rtx, rtx *, rtx);
+extern int validate_replace_rtx_part_nosimplify (rtx, rtx, rtx *, rtx);
+extern void validate_replace_rtx_group (rtx, rtx, rtx);
+extern void validate_replace_src_group (rtx, rtx, rtx);
+extern bool validate_simplify_insn (rtx insn);
+extern int num_changes_pending (void);
#ifdef HAVE_cc0
-extern int next_insn_tests_no_inequality PROTO ((rtx));
+extern int next_insn_tests_no_inequality (rtx);
#endif
-extern int reg_fits_class_p PROTO((rtx, enum reg_class, int,
- enum machine_mode));
-extern rtx *find_single_use PROTO((rtx, rtx, rtx *));
-
-extern int general_operand PROTO((rtx, enum machine_mode));
-extern int address_operand PROTO((rtx, enum machine_mode));
-extern int register_operand PROTO((rtx, enum machine_mode));
-extern int scratch_operand PROTO((rtx, enum machine_mode));
-extern int immediate_operand PROTO((rtx, enum machine_mode));
-extern int const_int_operand PROTO((rtx, enum machine_mode));
-extern int const_double_operand PROTO((rtx, enum machine_mode));
-extern int nonimmediate_operand PROTO((rtx, enum machine_mode));
-extern int nonmemory_operand PROTO((rtx, enum machine_mode));
-extern int push_operand PROTO((rtx, enum machine_mode));
-extern int pop_operand PROTO((rtx, enum machine_mode));
-extern int memory_operand PROTO((rtx, enum machine_mode));
-extern int indirect_operand PROTO((rtx, enum machine_mode));
-extern int mode_independent_operand PROTO((rtx, enum machine_mode));
-extern int comparison_operator PROTO((rtx, enum machine_mode));
-
-extern int offsettable_memref_p PROTO((rtx));
-extern int offsettable_nonstrict_memref_p PROTO((rtx));
-extern int offsettable_address_p PROTO((int, enum machine_mode, rtx));
-extern int mode_dependent_address_p PROTO((rtx));
-
-extern int recog PROTO((rtx, rtx, int *));
-extern void add_clobbers PROTO((rtx, int));
-extern void insn_extract PROTO((rtx));
-extern void extract_insn PROTO((rtx));
-extern void preprocess_constraints PROTO((void));
-extern rtx recog_next_insn PROTO((rtx, int));
-extern void peephole2_optimize PROTO((FILE *));
-extern rtx peephole2_insns PROTO((rtx, rtx, rtx *));
+extern int reg_fits_class_p (rtx, enum reg_class, int, enum machine_mode);
+
+extern int offsettable_memref_p (rtx);
+extern int offsettable_nonstrict_memref_p (rtx);
+extern int offsettable_address_addr_space_p (int, enum machine_mode, rtx,
+ addr_space_t);
+#define offsettable_address_p(strict,mode,addr) \
+ offsettable_address_addr_space_p ((strict), (mode), (addr), \
+ ADDR_SPACE_GENERIC)
+extern bool mode_dependent_address_p (rtx);
+
+extern int recog (rtx, rtx, int *);
+#ifndef GENERATOR_FILE
+static inline int recog_memoized (rtx insn);
+#endif
+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 rtx peephole2_insns (rtx, rtx, int *);
+
+extern int store_data_bypass_p (rtx, rtx);
+extern int if_test_bypass_p (rtx, rtx);
+
+#ifndef GENERATOR_FILE
+/* Try recognizing the instruction INSN,
+ and return the code number that results.
+ Remember the code so that repeated calls do not
+ need to spend the time for actual rerecognition.
+
+ This function is the normal interface to instruction recognition.
+ The automatically-generated function `recog' is normally called
+ through this one. */
+
+static inline int
+recog_memoized (rtx insn)
+{
+ if (INSN_CODE (insn) < 0)
+ INSN_CODE (insn) = recog (PATTERN (insn), insn, 0);
+ return INSN_CODE (insn);
+}
+#endif
+
+/* Skip chars until the next ',' or the end of the string. This is
+ useful to skip alternatives in a constraint string. */
+static inline const char *
+skip_alternative (const char *p)
+{
+ const char *r = p;
+ while (*r != '\0' && *r != ',')
+ r++;
+ if (*r == ',')
+ r++;
+ return r;
+}
/* Nonzero means volatile operands are recognized. */
extern int volatile_ok;
/* Gives the constraint string for operand N. */
const char *constraints[MAX_RECOG_OPERANDS];
+ /* Nonzero if operand N is a match_operator or a match_parallel. */
+ char is_operator[MAX_RECOG_OPERANDS];
+
/* Gives the mode of operand N. */
enum machine_mode operand_mode[MAX_RECOG_OPERANDS];
char dup_num[MAX_DUP_OPERANDS];
/* ??? Note that these are `char' instead of `unsigned char' to (try to)
- avoid certain lossage from K&R C, wherein `unsigned char' default
+ avoid certain lossage from K&R C, wherein `unsigned char' default
promotes to `unsigned int' instead of `int' as in ISO C. As of 1999,
the most common places to bootstrap from K&R C are SunOS and HPUX,
both of which have signed characters by default. The only other
/* The number of alternatives in the constraints for the insn. */
char n_alternatives;
+
+ /* Specifies whether an insn alternative is enabled using the
+ `enabled' attribute in the insn pattern definition. For back
+ ends not using the `enabled' attribute the array fields are
+ always set to `true' in expand_insn. */
+ bool alternative_enabled_p [MAX_RECOG_ALTERNATIVES];
+
+ /* In case we are caching, hold insn data was generated for. */
+ rtx insn;
};
extern struct recog_data recog_data;
Set up by preprocess_constraints. */
extern struct operand_alternative recog_op_alt[MAX_RECOG_OPERANDS][MAX_RECOG_ALTERNATIVES];
-/* Access the output function for CODE. */
-
-#define OUT_FCN(CODE) (*insn_data[(int) (CODE)].outfun)
-
/* A table defined in insn-output.c that give information about
each insn-code value. */
-typedef int (*insn_operand_predicate_fn) PROTO ((rtx, enum machine_mode));
-typedef const char * (*insn_output_fn) PROTO ((rtx *, rtx));
-#ifndef NO_MD_PROTOTYPES
-typedef rtx (*insn_gen_fn) PROTO ((rtx, ...));
-#else
-typedef rtx (*insn_gen_fn) ();
-#endif
+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
{
- insn_operand_predicate_fn predicate;
+ const insn_operand_predicate_fn predicate;
- const char *constraint;
+ const char *const constraint;
+
+ ENUM_BITFIELD(machine_mode) const mode : 16;
- enum machine_mode mode;
+ const char strict_low;
- char strict_low;
+ const char is_operator;
+
+ const char eliminable;
};
/* Legal values for insn_data.output_format. Indicate what type of data
struct insn_data
{
- const char *name;
- const PTR output;
- insn_gen_fn genfun;
- const struct insn_operand_data *operand;
+ 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;
- char n_operands;
- char n_dups;
- char n_alternatives;
- char output_format;
+ const char n_operands;
+ const char n_dups;
+ const char n_alternatives;
+ const char output_format;
};
extern const struct insn_data insn_data[];
+extern int peep2_current_count;
OSDN Git Service
