Mercurial > hg > CbC > CbC_gcc
annotate gcc/recog.h @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | f6334be47118 |
| children | 84e7813d76e9 |
| rev | line source |
|---|---|
| 0 | 1 /* Declarations for interface to insn recognizer and insn-output.c. |
| 111 | 2 Copyright (C) 1987-2017 Free Software Foundation, Inc. |
| 0 | 3 |
| 4 This file is part of GCC. | |
| 5 | |
| 6 GCC is free software; you can redistribute it and/or modify it under | |
| 7 the terms of the GNU General Public License as published by the Free | |
| 8 Software Foundation; either version 3, or (at your option) any later | |
| 9 version. | |
| 10 | |
| 11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
| 17 along with GCC; see the file COPYING3. If not see | |
| 18 <http://www.gnu.org/licenses/>. */ | |
| 19 | |
|
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20 #ifndef GCC_RECOG_H |
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21 #define GCC_RECOG_H |
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22 |
| 111 | 23 /* Random number that should be large enough for all purposes. Also define |
| 24 a type that has at least MAX_RECOG_ALTERNATIVES + 1 bits, with the extra | |
| 25 bit giving an invalid value that can be used to mean "uninitialized". */ | |
| 26 #define MAX_RECOG_ALTERNATIVES 35 | |
| 27 typedef uint64_t alternative_mask; | |
| 28 | |
| 29 /* A mask of all alternatives. */ | |
| 30 #define ALL_ALTERNATIVES ((alternative_mask) -1) | |
| 31 | |
| 32 /* A mask containing just alternative X. */ | |
| 33 #define ALTERNATIVE_BIT(X) ((alternative_mask) 1 << (X)) | |
| 0 | 34 |
| 35 /* Types of operands. */ | |
| 36 enum op_type { | |
| 37 OP_IN, | |
| 38 OP_OUT, | |
| 39 OP_INOUT | |
| 40 }; | |
| 41 | |
| 42 struct operand_alternative | |
| 43 { | |
| 44 /* Pointer to the beginning of the constraint string for this alternative, | |
| 45 for easier access by alternative number. */ | |
| 46 const char *constraint; | |
| 47 | |
| 48 /* The register class valid for this alternative (possibly NO_REGS). */ | |
| 111 | 49 ENUM_BITFIELD (reg_class) cl : 16; |
| 0 | 50 |
| 51 /* "Badness" of this alternative, computed from number of '?' and '!' | |
| 52 characters in the constraint string. */ | |
| 111 | 53 unsigned int reject : 16; |
| 0 | 54 |
| 55 /* -1 if no matching constraint was found, or an operand number. */ | |
| 111 | 56 int matches : 8; |
| 0 | 57 /* The same information, but reversed: -1 if this operand is not |
| 58 matched by any other, or the operand number of the operand that | |
| 59 matches this one. */ | |
| 111 | 60 int matched : 8; |
| 0 | 61 |
| 62 /* Nonzero if '&' was found in the constraint string. */ | |
| 111 | 63 unsigned int earlyclobber : 1; |
| 0 | 64 /* Nonzero if TARGET_MEM_CONSTRAINT was found in the constraint |
| 65 string. */ | |
| 111 | 66 unsigned int memory_ok : 1; |
| 0 | 67 /* Nonzero if 'p' was found in the constraint string. */ |
| 111 | 68 unsigned int is_address : 1; |
| 0 | 69 /* Nonzero if 'X' was found in the constraint string, or if the constraint |
| 70 string for this alternative was empty. */ | |
| 111 | 71 unsigned int anything_ok : 1; |
| 72 | |
| 73 unsigned int unused : 12; | |
| 0 | 74 }; |
| 75 | |
| 111 | 76 /* Return the class for operand I of alternative ALT, taking matching |
| 77 constraints into account. */ | |
| 78 | |
| 79 static inline enum reg_class | |
| 80 alternative_class (const operand_alternative *alt, int i) | |
| 81 { | |
| 82 return alt[i].matches >= 0 ? alt[alt[i].matches].cl : alt[i].cl; | |
| 83 } | |
| 0 | 84 |
| 85 extern void init_recog (void); | |
| 86 extern void init_recog_no_volatile (void); | |
| 87 extern int check_asm_operands (rtx); | |
| 88 extern int asm_operand_ok (rtx, const char *, const char **); | |
| 89 extern bool validate_change (rtx, rtx *, rtx, bool); | |
| 90 extern bool validate_unshare_change (rtx, rtx *, rtx, bool); | |
| 111 | 91 extern bool canonicalize_change_group (rtx_insn *insn, rtx x); |
| 92 extern int insn_invalid_p (rtx_insn *, bool); | |
| 0 | 93 extern int verify_changes (int); |
| 94 extern void confirm_change_group (void); | |
| 95 extern int apply_change_group (void); | |
| 96 extern int num_validated_changes (void); | |
| 97 extern void cancel_changes (int); | |
| 111 | 98 extern int constrain_operands (int, alternative_mask); |
| 99 extern int constrain_operands_cached (rtx_insn *, int); | |
| 100 extern int memory_address_addr_space_p (machine_mode, rtx, addr_space_t); | |
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101 #define memory_address_p(mode,addr) \ |
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102 memory_address_addr_space_p ((mode), (addr), ADDR_SPACE_GENERIC) |
| 111 | 103 extern int strict_memory_address_addr_space_p (machine_mode, rtx, |
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104 addr_space_t); |
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105 #define strict_memory_address_p(mode,addr) \ |
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106 strict_memory_address_addr_space_p ((mode), (addr), ADDR_SPACE_GENERIC) |
| 111 | 107 extern int validate_replace_rtx_subexp (rtx, rtx, rtx_insn *, rtx *); |
| 108 extern int validate_replace_rtx (rtx, rtx, rtx_insn *); | |
| 109 extern int validate_replace_rtx_part (rtx, rtx, rtx *, rtx_insn *); | |
| 110 extern int validate_replace_rtx_part_nosimplify (rtx, rtx, rtx *, rtx_insn *); | |
| 111 extern void validate_replace_rtx_group (rtx, rtx, rtx_insn *); | |
| 112 extern void validate_replace_src_group (rtx, rtx, rtx_insn *); | |
| 113 extern bool validate_simplify_insn (rtx_insn *insn); | |
| 0 | 114 extern int num_changes_pending (void); |
| 111 | 115 extern int next_insn_tests_no_inequality (rtx_insn *); |
| 116 extern bool reg_fits_class_p (const_rtx, reg_class_t, int, machine_mode); | |
| 0 | 117 |
| 118 extern int offsettable_memref_p (rtx); | |
| 119 extern int offsettable_nonstrict_memref_p (rtx); | |
| 111 | 120 extern int offsettable_address_addr_space_p (int, machine_mode, rtx, |
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121 addr_space_t); |
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122 #define offsettable_address_p(strict,mode,addr) \ |
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123 offsettable_address_addr_space_p ((strict), (mode), (addr), \ |
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124 ADDR_SPACE_GENERIC) |
| 111 | 125 extern bool mode_dependent_address_p (rtx, addr_space_t); |
| 0 | 126 |
| 111 | 127 extern int recog (rtx, rtx_insn *, int *); |
| 0 | 128 #ifndef GENERATOR_FILE |
| 111 | 129 static inline int recog_memoized (rtx_insn *insn); |
| 0 | 130 #endif |
| 131 extern void add_clobbers (rtx, int); | |
| 132 extern int added_clobbers_hard_reg_p (int); | |
| 111 | 133 extern void insn_extract (rtx_insn *); |
| 134 extern void extract_insn (rtx_insn *); | |
| 135 extern void extract_constrain_insn (rtx_insn *insn); | |
| 136 extern void extract_constrain_insn_cached (rtx_insn *); | |
| 137 extern void extract_insn_cached (rtx_insn *); | |
| 138 extern void preprocess_constraints (int, int, const char **, | |
| 139 operand_alternative *); | |
| 140 extern const operand_alternative *preprocess_insn_constraints (unsigned int); | |
| 141 extern void preprocess_constraints (rtx_insn *); | |
| 142 extern rtx_insn *peep2_next_insn (int); | |
| 0 | 143 extern int peep2_regno_dead_p (int, int); |
| 144 extern int peep2_reg_dead_p (int, rtx); | |
| 145 #ifdef CLEAR_HARD_REG_SET | |
| 146 extern rtx peep2_find_free_register (int, int, const char *, | |
| 111 | 147 machine_mode, HARD_REG_SET *); |
| 0 | 148 #endif |
| 111 | 149 extern rtx_insn *peephole2_insns (rtx, rtx_insn *, int *); |
| 0 | 150 |
| 111 | 151 extern int store_data_bypass_p (rtx_insn *, rtx_insn *); |
| 152 extern int if_test_bypass_p (rtx_insn *, rtx_insn *); | |
| 0 | 153 |
| 154 #ifndef GENERATOR_FILE | |
| 155 /* Try recognizing the instruction INSN, | |
| 156 and return the code number that results. | |
| 157 Remember the code so that repeated calls do not | |
| 158 need to spend the time for actual rerecognition. | |
| 159 | |
| 160 This function is the normal interface to instruction recognition. | |
| 161 The automatically-generated function `recog' is normally called | |
| 162 through this one. */ | |
| 163 | |
| 164 static inline int | |
| 111 | 165 recog_memoized (rtx_insn *insn) |
| 0 | 166 { |
| 167 if (INSN_CODE (insn) < 0) | |
| 168 INSN_CODE (insn) = recog (PATTERN (insn), insn, 0); | |
| 169 return INSN_CODE (insn); | |
| 170 } | |
| 171 #endif | |
| 172 | |
| 173 /* Skip chars until the next ',' or the end of the string. This is | |
| 174 useful to skip alternatives in a constraint string. */ | |
| 175 static inline const char * | |
| 176 skip_alternative (const char *p) | |
| 177 { | |
| 178 const char *r = p; | |
| 179 while (*r != '\0' && *r != ',') | |
| 180 r++; | |
| 181 if (*r == ',') | |
| 182 r++; | |
| 183 return r; | |
| 184 } | |
| 185 | |
| 186 /* Nonzero means volatile operands are recognized. */ | |
| 187 extern int volatile_ok; | |
| 188 | |
| 189 /* Set by constrain_operands to the number of the alternative that | |
| 190 matched. */ | |
| 191 extern int which_alternative; | |
| 192 | |
| 193 /* The following vectors hold the results from insn_extract. */ | |
| 194 | |
| 111 | 195 struct recog_data_d |
| 0 | 196 { |
| 197 /* It is very tempting to make the 5 operand related arrays into a | |
| 198 structure and index on that. However, to be source compatible | |
| 199 with all of the existing md file insn constraints and output | |
| 200 templates, we need `operand' as a flat array. Without that | |
| 201 member, making an array for the rest seems pointless. */ | |
| 202 | |
| 203 /* Gives value of operand N. */ | |
| 204 rtx operand[MAX_RECOG_OPERANDS]; | |
| 205 | |
| 206 /* Gives location where operand N was found. */ | |
| 207 rtx *operand_loc[MAX_RECOG_OPERANDS]; | |
| 208 | |
| 209 /* Gives the constraint string for operand N. */ | |
| 210 const char *constraints[MAX_RECOG_OPERANDS]; | |
| 211 | |
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212 /* Nonzero if operand N is a match_operator or a match_parallel. */ |
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213 char is_operator[MAX_RECOG_OPERANDS]; |
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214 |
| 0 | 215 /* Gives the mode of operand N. */ |
| 111 | 216 machine_mode operand_mode[MAX_RECOG_OPERANDS]; |
| 0 | 217 |
| 218 /* Gives the type (in, out, inout) for operand N. */ | |
| 219 enum op_type operand_type[MAX_RECOG_OPERANDS]; | |
| 220 | |
| 221 /* Gives location where the Nth duplicate-appearance of an operand | |
| 222 was found. This is something that matched MATCH_DUP. */ | |
| 223 rtx *dup_loc[MAX_DUP_OPERANDS]; | |
| 224 | |
| 225 /* Gives the operand number that was duplicated in the Nth | |
| 226 duplicate-appearance of an operand. */ | |
| 227 char dup_num[MAX_DUP_OPERANDS]; | |
| 228 | |
| 229 /* ??? Note that these are `char' instead of `unsigned char' to (try to) | |
| 230 avoid certain lossage from K&R C, wherein `unsigned char' default | |
| 231 promotes to `unsigned int' instead of `int' as in ISO C. As of 1999, | |
| 232 the most common places to bootstrap from K&R C are SunOS and HPUX, | |
| 233 both of which have signed characters by default. The only other | |
| 234 supported natives that have both K&R C and unsigned characters are | |
| 235 ROMP and Irix 3, and neither have been seen for a while, but do | |
| 236 continue to consider unsignedness when performing arithmetic inside | |
| 237 a comparison. */ | |
| 238 | |
| 239 /* The number of operands of the insn. */ | |
| 240 char n_operands; | |
| 241 | |
| 242 /* The number of MATCH_DUPs in the insn. */ | |
| 243 char n_dups; | |
| 244 | |
| 245 /* The number of alternatives in the constraints for the insn. */ | |
| 246 char n_alternatives; | |
| 247 | |
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248 /* True if insn is ASM_OPERANDS. */ |
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249 bool is_asm; |
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250 |
| 0 | 251 /* In case we are caching, hold insn data was generated for. */ |
| 111 | 252 rtx_insn *insn; |
| 0 | 253 }; |
| 254 | |
| 111 | 255 extern struct recog_data_d recog_data; |
| 256 | |
| 257 extern const operand_alternative *recog_op_alt; | |
| 258 | |
| 259 /* Return a pointer to an array in which index OP describes the constraints | |
| 260 on operand OP of the current instruction alternative (which_alternative). | |
| 261 Only valid after calling preprocess_constraints and constrain_operands. */ | |
| 0 | 262 |
| 111 | 263 inline static const operand_alternative * |
| 264 which_op_alt () | |
| 265 { | |
| 266 gcc_checking_assert (IN_RANGE (which_alternative, 0, | |
| 267 recog_data.n_alternatives - 1)); | |
| 268 return &recog_op_alt[which_alternative * recog_data.n_operands]; | |
| 269 } | |
| 0 | 270 |
| 271 /* A table defined in insn-output.c that give information about | |
| 272 each insn-code value. */ | |
| 273 | |
| 111 | 274 typedef int (*insn_operand_predicate_fn) (rtx, machine_mode); |
| 275 typedef const char * (*insn_output_fn) (rtx *, rtx_insn *); | |
| 276 | |
| 277 struct insn_gen_fn | |
| 278 { | |
| 279 typedef rtx_insn * (*f0) (void); | |
| 280 typedef rtx_insn * (*f1) (rtx); | |
| 281 typedef rtx_insn * (*f2) (rtx, rtx); | |
| 282 typedef rtx_insn * (*f3) (rtx, rtx, rtx); | |
| 283 typedef rtx_insn * (*f4) (rtx, rtx, rtx, rtx); | |
| 284 typedef rtx_insn * (*f5) (rtx, rtx, rtx, rtx, rtx); | |
| 285 typedef rtx_insn * (*f6) (rtx, rtx, rtx, rtx, rtx, rtx); | |
| 286 typedef rtx_insn * (*f7) (rtx, rtx, rtx, rtx, rtx, rtx, rtx); | |
| 287 typedef rtx_insn * (*f8) (rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx); | |
| 288 typedef rtx_insn * (*f9) (rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx); | |
| 289 typedef rtx_insn * (*f10) (rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx); | |
| 290 typedef rtx_insn * (*f11) (rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx); | |
| 291 typedef rtx_insn * (*f12) (rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx); | |
| 292 typedef rtx_insn * (*f13) (rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx); | |
| 293 typedef rtx_insn * (*f14) (rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx); | |
| 294 typedef rtx_insn * (*f15) (rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx); | |
| 295 typedef rtx_insn * (*f16) (rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx); | |
| 296 | |
| 297 typedef f0 stored_funcptr; | |
| 298 | |
| 299 rtx_insn * operator () (void) const { return ((f0)func) (); } | |
| 300 rtx_insn * operator () (rtx a0) const { return ((f1)func) (a0); } | |
| 301 rtx_insn * operator () (rtx a0, rtx a1) const { return ((f2)func) (a0, a1); } | |
| 302 rtx_insn * operator () (rtx a0, rtx a1, rtx a2) const { return ((f3)func) (a0, a1, a2); } | |
| 303 rtx_insn * operator () (rtx a0, rtx a1, rtx a2, rtx a3) const { return ((f4)func) (a0, a1, a2, a3); } | |
| 304 rtx_insn * operator () (rtx a0, rtx a1, rtx a2, rtx a3, rtx a4) const { return ((f5)func) (a0, a1, a2, a3, a4); } | |
| 305 rtx_insn * operator () (rtx a0, rtx a1, rtx a2, rtx a3, rtx a4, rtx a5) const { return ((f6)func) (a0, a1, a2, a3, a4, a5); } | |
| 306 rtx_insn * operator () (rtx a0, rtx a1, rtx a2, rtx a3, rtx a4, rtx a5, rtx a6) const { return ((f7)func) (a0, a1, a2, a3, a4, a5, a6); } | |
| 307 rtx_insn * operator () (rtx a0, rtx a1, rtx a2, rtx a3, rtx a4, rtx a5, rtx a6, rtx a7) const { return ((f8)func) (a0, a1, a2, a3, a4, a5, a6, a7); } | |
| 308 rtx_insn * operator () (rtx a0, rtx a1, rtx a2, rtx a3, rtx a4, rtx a5, rtx a6, rtx a7, rtx a8) const { return ((f9)func) (a0, a1, a2, a3, a4, a5, a6, a7, a8); } | |
| 309 rtx_insn * operator () (rtx a0, rtx a1, rtx a2, rtx a3, rtx a4, rtx a5, rtx a6, rtx a7, rtx a8, rtx a9) const { return ((f10)func) (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); } | |
| 310 rtx_insn * operator () (rtx a0, rtx a1, rtx a2, rtx a3, rtx a4, rtx a5, rtx a6, rtx a7, rtx a8, rtx a9, rtx a10) const { return ((f11)func) (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10); } | |
| 311 rtx_insn * operator () (rtx a0, rtx a1, rtx a2, rtx a3, rtx a4, rtx a5, rtx a6, rtx a7, rtx a8, rtx a9, rtx a10, rtx a11) const { return ((f12)func) (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11); } | |
| 312 rtx_insn * operator () (rtx a0, rtx a1, rtx a2, rtx a3, rtx a4, rtx a5, rtx a6, rtx a7, rtx a8, rtx a9, rtx a10, rtx a11, rtx a12) const { return ((f13)func) (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12); } | |
| 313 rtx_insn * operator () (rtx a0, rtx a1, rtx a2, rtx a3, rtx a4, rtx a5, rtx a6, rtx a7, rtx a8, rtx a9, rtx a10, rtx a11, rtx a12, rtx a13) const { return ((f14)func) (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13); } | |
| 314 rtx_insn * operator () (rtx a0, rtx a1, rtx a2, rtx a3, rtx a4, rtx a5, rtx a6, rtx a7, rtx a8, rtx a9, rtx a10, rtx a11, rtx a12, rtx a13, rtx a14) const { return ((f15)func) (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14); } | |
| 315 rtx_insn * operator () (rtx a0, rtx a1, rtx a2, rtx a3, rtx a4, rtx a5, rtx a6, rtx a7, rtx a8, rtx a9, rtx a10, rtx a11, rtx a12, rtx a13, rtx a14, rtx a15) const { return ((f16)func) (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15); } | |
| 316 | |
| 317 // This is for compatibility of code that invokes functions like | |
| 318 // (*funcptr) (arg) | |
| 319 insn_gen_fn operator * (void) const { return *this; } | |
| 320 | |
| 321 // The wrapped function pointer must be public and there must not be any | |
| 322 // constructors. Otherwise the insn_data_d struct initializers generated | |
| 323 // by genoutput.c will result in static initializer functions, which defeats | |
| 324 // the purpose of the generated insn_data_d array. | |
| 325 stored_funcptr func; | |
| 326 }; | |
| 0 | 327 |
| 328 struct insn_operand_data | |
| 329 { | |
| 330 const insn_operand_predicate_fn predicate; | |
| 331 | |
| 332 const char *const constraint; | |
| 333 | |
| 334 ENUM_BITFIELD(machine_mode) const mode : 16; | |
| 335 | |
| 336 const char strict_low; | |
| 337 | |
|
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338 const char is_operator; |
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339 |
| 0 | 340 const char eliminable; |
| 111 | 341 |
| 342 const char allows_mem; | |
| 0 | 343 }; |
| 344 | |
| 345 /* Legal values for insn_data.output_format. Indicate what type of data | |
| 346 is stored in insn_data.output. */ | |
| 347 #define INSN_OUTPUT_FORMAT_NONE 0 /* abort */ | |
| 348 #define INSN_OUTPUT_FORMAT_SINGLE 1 /* const char * */ | |
| 349 #define INSN_OUTPUT_FORMAT_MULTI 2 /* const char * const * */ | |
| 350 #define INSN_OUTPUT_FORMAT_FUNCTION 3 /* const char * (*)(...) */ | |
| 351 | |
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352 struct insn_data_d |
| 0 | 353 { |
| 354 const char *const name; | |
| 111 | 355 #if HAVE_DESIGNATED_UNION_INITIALIZERS |
| 0 | 356 union { |
| 357 const char *single; | |
| 358 const char *const *multi; | |
| 359 insn_output_fn function; | |
| 360 } output; | |
| 361 #else | |
| 362 struct { | |
| 363 const char *single; | |
| 364 const char *const *multi; | |
| 365 insn_output_fn function; | |
| 366 } output; | |
| 367 #endif | |
| 368 const insn_gen_fn genfun; | |
| 369 const struct insn_operand_data *const operand; | |
| 370 | |
| 111 | 371 const char n_generator_args; |
| 0 | 372 const char n_operands; |
| 373 const char n_dups; | |
| 374 const char n_alternatives; | |
| 375 const char output_format; | |
| 376 }; | |
| 377 | |
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378 extern const struct insn_data_d insn_data[]; |
| 0 | 379 extern int peep2_current_count; |
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380 |
| 111 | 381 #ifndef GENERATOR_FILE |
| 382 #include "insn-codes.h" | |
| 383 | |
| 384 /* An enum of boolean attributes that may only depend on the current | |
| 385 subtarget, not on things like operands or compiler phase. */ | |
| 386 enum bool_attr { | |
| 387 BA_ENABLED, | |
| 388 BA_PREFERRED_FOR_SPEED, | |
| 389 BA_PREFERRED_FOR_SIZE, | |
| 390 BA_LAST = BA_PREFERRED_FOR_SIZE | |
| 391 }; | |
| 392 | |
| 393 /* Target-dependent globals. */ | |
| 394 struct target_recog { | |
| 395 bool x_initialized; | |
| 396 alternative_mask x_bool_attr_masks[NUM_INSN_CODES][BA_LAST + 1]; | |
| 397 operand_alternative *x_op_alt[NUM_INSN_CODES]; | |
| 398 }; | |
| 399 | |
| 400 extern struct target_recog default_target_recog; | |
| 401 #if SWITCHABLE_TARGET | |
| 402 extern struct target_recog *this_target_recog; | |
| 403 #else | |
| 404 #define this_target_recog (&default_target_recog) | |
| 405 #endif | |
| 406 | |
| 407 alternative_mask get_enabled_alternatives (rtx_insn *); | |
| 408 alternative_mask get_preferred_alternatives (rtx_insn *); | |
| 409 alternative_mask get_preferred_alternatives (rtx_insn *, basic_block); | |
| 410 bool check_bool_attrs (rtx_insn *); | |
| 411 | |
| 412 void recog_init (); | |
| 413 #endif | |
| 414 | |
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415 #endif /* GCC_RECOG_H */ |