X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Frecog.h;h=9b73211e8744d02c6b792764ea924d4e60024ae9;hb=d29a1ab5c0f85e613d581a091a251e57c6f3f8cf;hp=3328af6850a4025fe1d2242803d69a03d4f7089f;hpb=0edc2b1cc887e4e3e9cdd3d45512e553d0ed4d84;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/recog.h b/gcc/recog.h index 3328af6850a..9b73211e874 100644 --- a/gcc/recog.h +++ b/gcc/recog.h @@ -1,23 +1,22 @@ /* Declarations for interface to insn recognizer and insn-output.c. - Copyright (C) 1987, 1996, 1997, 1998, - 1999, 2000 Free Software Foundation, Inc. + Copyright (C) 1987, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, + 2005, 2006, 2007 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 +. */ /* Random number that should be large enough for all purposes. */ #define MAX_RECOG_ALTERNATIVES 30 @@ -36,7 +35,7 @@ struct operand_alternative 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. */ @@ -51,84 +50,113 @@ struct operand_alternative /* 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 PARAMS ((void)); -extern void init_recog_no_volatile PARAMS ((void)); -extern int recog_memoized 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 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 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 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 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 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 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_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 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 *)); + +/* 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; @@ -171,7 +199,7 @@ struct recog_data 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 @@ -189,6 +217,12 @@ struct recog_data /* 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; }; @@ -202,21 +236,21 @@ extern struct operand_alternative recog_op_alt[MAX_RECOG_OPERANDS][MAX_RECOG_ALT /* 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 { - insn_operand_predicate_fn predicate; + const insn_operand_predicate_fn predicate; - const char *constraint; + const char *const constraint; - enum machine_mode mode; + ENUM_BITFIELD(machine_mode) const mode : 16; - char strict_low; + const char strict_low; - char eliminable; + const char eliminable; }; /* Legal values for insn_data.output_format. Indicate what type of data @@ -228,15 +262,28 @@ struct insn_operand_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;