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Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/recog.h')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/recog.h | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/recog.h b/gcc-4.2.1-5666.3/gcc/recog.h deleted file mode 100644 index 8281a9e55..000000000 --- a/gcc-4.2.1-5666.3/gcc/recog.h +++ /dev/null @@ -1,267 +0,0 @@ -/* Declarations for interface to insn recognizer and insn-output.c. - Copyright (C) 1987, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005 - 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 -version. - -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 GCC; see the file COPYING. If not, write to the Free -Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301, USA. */ - -/* Random number that should be large enough for all purposes. */ -#define MAX_RECOG_ALTERNATIVES 30 - -/* Types of operands. */ -enum op_type { - OP_IN, - OP_OUT, - OP_INOUT -}; - -struct operand_alternative -{ - /* Pointer to the beginning of the constraint string for this alternative, - for easier access by alternative number. */ - const char *constraint; - - /* The register class valid for this alternative (possibly NO_REGS). */ - enum reg_class cl; - - /* "Badness" of this alternative, computed from number of '?' and '!' - characters in the constraint string. */ - unsigned int reject; - - /* -1 if no matching constraint was found, or an operand number. */ - int matches; - /* The same information, but reversed: -1 if this operand is not - matched by any other, or the operand number of the operand that - matches this one. */ - int matched; - - /* 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 'o' was found in the constraint string. */ - 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 (void); -extern void init_recog_no_volatile (void); -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 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 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 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 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 *); -#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 - -/* Nonzero means volatile operands are recognized. */ -extern int volatile_ok; - -/* Set by constrain_operands to the number of the alternative that - matched. */ -extern int which_alternative; - -/* The following vectors hold the results from insn_extract. */ - -struct recog_data -{ - /* It is very tempting to make the 5 operand related arrays into a - structure and index on that. However, to be source compatible - with all of the existing md file insn constraints and output - templates, we need `operand' as a flat array. Without that - member, making an array for the rest seems pointless. */ - - /* Gives value of operand N. */ - rtx operand[MAX_RECOG_OPERANDS]; - - /* Gives location where operand N was found. */ - rtx *operand_loc[MAX_RECOG_OPERANDS]; - - /* Gives the constraint string for operand N. */ - const char *constraints[MAX_RECOG_OPERANDS]; - - /* Gives the mode of operand N. */ - enum machine_mode operand_mode[MAX_RECOG_OPERANDS]; - - /* Gives the type (in, out, inout) for operand N. */ - enum op_type operand_type[MAX_RECOG_OPERANDS]; - - /* Gives location where the Nth duplicate-appearance of an operand - was found. This is something that matched MATCH_DUP. */ - rtx *dup_loc[MAX_DUP_OPERANDS]; - - /* Gives the operand number that was duplicated in the Nth - duplicate-appearance of an operand. */ - 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 - 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 - supported natives that have both K&R C and unsigned characters are - ROMP and Irix 3, and neither have been seen for a while, but do - continue to consider unsignedness when performing arithmetic inside - a comparison. */ - - /* The number of operands of the insn. */ - char n_operands; - - /* The number of MATCH_DUPs in the insn. */ - char n_dups; - - /* The number of alternatives in the constraints for the insn. */ - char n_alternatives; - - /* In case we are caching, hold insn data was generated for. */ - rtx insn; -}; - -extern struct recog_data recog_data; - -/* Contains a vector of operand_alternative structures for every operand. - Set up by preprocess_constraints. */ -extern struct operand_alternative recog_op_alt[MAX_RECOG_OPERANDS][MAX_RECOG_ALTERNATIVES]; - -/* A table defined in insn-output.c that give information about - each insn-code value. */ - -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; -}; - -/* Legal values for insn_data.output_format. Indicate what type of data - is stored in insn_data.output. */ -#define INSN_OUTPUT_FORMAT_NONE 0 /* abort */ -#define INSN_OUTPUT_FORMAT_SINGLE 1 /* const char * */ -#define INSN_OUTPUT_FORMAT_MULTI 2 /* const char * const * */ -#define INSN_OUTPUT_FORMAT_FUNCTION 3 /* const char * (*)(...) */ - -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[]; -extern int peep2_current_count; |