/* Declarations for interface to insn recognizer and insn-output.c.
- Copyright (C) 1987, 1996, 1997, 1998, 1999, 2000, 2001
- Free Software Foundation, Inc.
+ Copyright (C) 1987, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004,
+ 2005, 2006, 2007, 2008, 2009 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/>. */
/* 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. */
- 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. */
};
-extern void init_recog PARAMS ((void));
-extern void init_recog_no_volatile PARAMS ((void));
-extern int recog_memoized_1 PARAMS ((rtx));
-extern int check_asm_operands PARAMS ((rtx));
-extern int asm_operand_ok PARAMS ((rtx, const char *));
-extern int validate_change PARAMS ((rtx, rtx *, rtx, int));
-extern int insn_invalid_p PARAMS ((rtx));
-extern int apply_change_group PARAMS ((void));
-extern int num_validated_changes PARAMS ((void));
-extern void cancel_changes PARAMS ((int));
-extern int constrain_operands PARAMS ((int));
-extern int constrain_operands_cached PARAMS ((int));
-extern int memory_address_p PARAMS ((enum machine_mode, rtx));
-extern int strict_memory_address_p PARAMS ((enum machine_mode, rtx));
-extern int validate_replace_rtx_subexp PARAMS ((rtx, rtx, rtx, rtx *));
-extern int validate_replace_rtx PARAMS ((rtx, rtx, rtx));
-extern void validate_replace_rtx_group PARAMS ((rtx, rtx, rtx));
-extern int validate_replace_src PARAMS ((rtx, rtx, rtx));
-extern void validate_replace_src_group PARAMS ((rtx, rtx, rtx));
-extern int num_changes_pending PARAMS ((void));
+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 PARAMS ((rtx));
+extern int next_insn_tests_no_inequality (rtx);
#endif
-extern int reg_fits_class_p PARAMS ((rtx, enum reg_class, int,
- enum machine_mode));
-extern rtx *find_single_use PARAMS ((rtx, rtx, rtx *));
-
-extern int general_operand PARAMS ((rtx, enum machine_mode));
-extern int address_operand PARAMS ((rtx, enum machine_mode));
-extern int register_operand PARAMS ((rtx, enum machine_mode));
-extern int pmode_register_operand PARAMS ((rtx, enum machine_mode));
-extern int scratch_operand PARAMS ((rtx, enum machine_mode));
-extern int immediate_operand PARAMS ((rtx, enum machine_mode));
-extern int const_int_operand PARAMS ((rtx, enum machine_mode));
-extern int const_double_operand PARAMS ((rtx, enum machine_mode));
-extern int nonimmediate_operand PARAMS ((rtx, enum machine_mode));
-extern int nonmemory_operand PARAMS ((rtx, enum machine_mode));
-extern int push_operand PARAMS ((rtx, enum machine_mode));
-extern int pop_operand PARAMS ((rtx, enum machine_mode));
-extern int memory_operand PARAMS ((rtx, enum machine_mode));
-extern int indirect_operand PARAMS ((rtx, enum machine_mode));
-extern int mode_independent_operand PARAMS ((rtx, enum machine_mode));
-extern int comparison_operator PARAMS ((rtx, enum machine_mode));
-
-extern int offsettable_memref_p PARAMS ((rtx));
-extern int offsettable_nonstrict_memref_p PARAMS ((rtx));
-extern int offsettable_address_p PARAMS ((int, enum machine_mode, rtx));
-extern int mode_dependent_address_p PARAMS ((rtx));
-
-extern int recog PARAMS ((rtx, rtx, int *));
-extern void add_clobbers PARAMS ((rtx, int));
-extern int added_clobbers_hard_reg_p PARAMS ((int));
-extern void insn_extract PARAMS ((rtx));
-extern void extract_insn PARAMS ((rtx));
-extern void extract_constrain_insn_cached PARAMS ((rtx));
-extern void extract_insn_cached PARAMS ((rtx));
-extern void preprocess_constraints PARAMS ((void));
-extern rtx peep2_next_insn PARAMS ((int));
-extern int peep2_regno_dead_p PARAMS ((int, int));
-extern int peep2_reg_dead_p PARAMS ((int, 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 int 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 PARAMS ((int, int, const char *,
- enum machine_mode,
- 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
-extern void peephole2_optimize PARAMS ((FILE *));
-extern rtx peephole2_insns PARAMS ((rtx, rtx, int *));
-extern int store_data_bypass_p PARAMS ((rtx, rtx));
-extern int if_test_bypass_p PARAMS ((rtx, rtx));
+/* 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;
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;
};
/* A table defined in insn-output.c that give information about
each insn-code value. */
-typedef int (*insn_operand_predicate_fn) PARAMS ((rtx, enum machine_mode));
-typedef const char * (*insn_output_fn) PARAMS ((rtx *, rtx));
-typedef rtx (*insn_gen_fn) PARAMS ((rtx, ...));
+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 char *const constraint;
- const ENUM_BITFIELD(machine_mode) mode : 16;
+ ENUM_BITFIELD(machine_mode) const mode : 16;
const char strict_low;
struct insn_data
{
const char *const name;
- const PTR output;
+#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;
};
extern const struct insn_data insn_data[];
+extern int peep2_current_count;
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