/* Declarations for interface to insn recognizer and insn-output.c.
- Copyright (C) 1987, 1996, 1997, 1998, 1999, 2000, 2001, 2003
- 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 GCC.
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 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; 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/>. */
+
+#ifndef GCC_RECOG_H
+#define GCC_RECOG_H
/* Random number that should be large enough for all purposes. */
#define MAX_RECOG_ALTERNATIVES 30
-#define recog_memoized(I) (INSN_CODE (I) >= 0 \
- ? INSN_CODE (I) : recog_memoized_1 (I))
/* Types of operands. */
enum op_type {
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. */
+ /* 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;
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 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_p (enum machine_mode, rtx);
-extern int strict_memory_address_p (enum machine_mode, rtx);
+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 int validate_replace_src (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 (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 bool reg_fits_class_p (const_rtx, reg_class_t, int, 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 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 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);
+#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];
/* The number of alternatives in the constraints for the insn. */
char n_alternatives;
+ /* True if insn is ASM_OPERANDS. */
+ bool is_asm;
+
+ /* 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;
};
const char *const constraint;
- const ENUM_BITFIELD(machine_mode) mode : 16;
+ ENUM_BITFIELD(machine_mode) const mode : 16;
const char strict_low;
+ const char is_operator;
+
const char eliminable;
+
+ const char allows_mem;
};
/* Legal values for insn_data.output_format. Indicate what type of data
#define INSN_OUTPUT_FORMAT_MULTI 2 /* const char * const * */
#define INSN_OUTPUT_FORMAT_FUNCTION 3 /* const char * (*)(...) */
-struct insn_data
+struct insn_data_d
{
const char *const name;
- const void *output;
+#if HAVE_DESIGNATED_UNION_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_generator_args;
const char n_operands;
const char n_dups;
const char n_alternatives;
const char output_format;
};
-extern const struct insn_data insn_data[];
+extern const struct insn_data_d insn_data[];
+extern int peep2_current_count;
+
+#endif /* GCC_RECOG_H */
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