Mercurial > hg > truffle
annotate src/share/vm/adlc/formssel.hpp @ 6850:d336b3173277
8000592: Improve adlc usability
Summary: several changes to adlc to improve its usability
Reviewed-by: kvn
Contributed-by: goetz.lindenmaier@sap.com
| author | kvn |
|---|---|
| date | Tue, 09 Oct 2012 16:09:31 -0700 |
| parents | 8c92982cbbc4 |
| children | f15fe46d8c00 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_ADLC_FORMSSEL_HPP |
| 26 #define SHARE_VM_ADLC_FORMSSEL_HPP | |
| 27 | |
| 0 | 28 // FORMSSEL.HPP - ADL Parser Instruction Selection Forms Classes |
| 29 | |
| 30 // Class List | |
| 31 class Form; | |
| 32 class InstructForm; | |
| 33 class MachNodeForm; | |
| 34 class OperandForm; | |
| 35 class OpClassForm; | |
| 36 class AttributeForm; | |
| 37 class RegisterForm; | |
| 38 class PipelineForm; | |
| 39 class SourceForm; | |
| 40 class EncodeForm; | |
| 41 class Component; | |
| 42 class Constraint; | |
| 43 class Predicate; | |
| 44 class MatchRule; | |
| 45 class Attribute; | |
| 46 class Effect; | |
| 47 class ExpandRule; | |
| 48 class RewriteRule; | |
| 49 class ConstructRule; | |
| 50 class FormatRule; | |
| 51 class Peephole; | |
| 52 class EncClass; | |
| 53 class Interface; | |
| 54 class RegInterface; | |
| 55 class ConstInterface; | |
| 56 class MemInterface; | |
| 57 class CondInterface; | |
| 58 class Opcode; | |
| 59 class InsEncode; | |
| 60 class RegDef; | |
| 61 class RegClass; | |
| 62 class AllocClass; | |
| 63 class ResourceForm; | |
| 64 class PipeDesc; | |
| 65 class PipeClass; | |
| 66 class PeepMatch; | |
| 67 class PeepConstraint; | |
| 68 class PeepReplace; | |
| 69 class MatchList; | |
| 70 | |
| 71 class ArchDesc; | |
| 72 | |
| 73 //==============================Instructions=================================== | |
| 74 //------------------------------InstructForm----------------------------------- | |
| 75 class InstructForm : public Form { | |
| 76 private: | |
| 2008 | 77 bool _ideal_only; // Not a user-defined instruction |
| 0 | 78 // Members used for tracking CISC-spilling |
| 6850 | 79 int _cisc_spill_operand;// Which operand may cisc-spill |
| 0 | 80 void set_cisc_spill_operand(uint op_index) { _cisc_spill_operand = op_index; } |
| 2008 | 81 bool _is_cisc_alternate; |
| 0 | 82 InstructForm *_cisc_spill_alternate;// cisc possible replacement |
| 83 const char *_cisc_reg_mask_name; | |
| 84 InstructForm *_short_branch_form; | |
| 85 bool _is_short_branch; | |
| 2008 | 86 bool _is_mach_constant; // true if Node is a MachConstantNode |
| 0 | 87 uint _alignment; |
| 88 | |
| 89 public: | |
| 90 // Public Data | |
| 91 const char *_ident; // Name of this instruction | |
| 92 NameList _parameters; // Locally defined names | |
| 93 FormDict _localNames; // Table of operands & their types | |
| 94 MatchRule *_matrule; // Matching rule for this instruction | |
| 95 Opcode *_opcode; // Encoding of the opcode for instruction | |
| 96 char *_size; // Size of instruction | |
| 97 InsEncode *_insencode; // Encoding class instruction belongs to | |
| 2008 | 98 InsEncode *_constant; // Encoding class constant value belongs to |
| 0 | 99 Attribute *_attribs; // List of Attribute rules |
| 100 Predicate *_predicate; // Predicate test for this instruction | |
| 101 FormDict _effects; // Dictionary of effect rules | |
| 102 ExpandRule *_exprule; // Expand rule for this instruction | |
| 103 RewriteRule *_rewrule; // Rewrite rule for this instruction | |
| 104 FormatRule *_format; // Format for assembly generation | |
| 105 Peephole *_peephole; // List of peephole rules for instruction | |
| 6850 | 106 const char *_ins_pipe; // Instruction Scheduling description class |
| 0 | 107 |
| 108 uint *_uniq_idx; // Indexes of unique operands | |
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109 int _uniq_idx_length; // Length of _uniq_idx array |
| 0 | 110 uint _num_uniq; // Number of unique operands |
| 111 ComponentList _components; // List of Components matches MachNode's | |
| 112 // operand structure | |
| 113 | |
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114 bool _has_call; // contain a call and caller save registers should be saved? |
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115 |
| 0 | 116 // Public Methods |
| 117 InstructForm(const char *id, bool ideal_only = false); | |
| 118 InstructForm(const char *id, InstructForm *instr, MatchRule *rule); | |
| 119 ~InstructForm(); | |
| 120 | |
| 121 // Dynamic type check | |
| 122 virtual InstructForm *is_instruction() const; | |
| 123 | |
| 124 virtual bool ideal_only() const; | |
| 125 | |
| 126 // This instruction sets a result | |
| 127 virtual bool sets_result() const; | |
| 128 // This instruction needs projections for additional DEFs or KILLs | |
| 129 virtual bool needs_projections(); | |
| 130 // This instruction needs extra nodes for temporary inputs | |
| 131 virtual bool has_temps(); | |
| 132 // This instruction defines or kills more than one object | |
| 133 virtual uint num_defs_or_kills(); | |
| 134 // This instruction has an expand rule? | |
| 135 virtual bool expands() const ; | |
| 136 // Return this instruction's first peephole rule, or NULL | |
| 137 virtual Peephole *peepholes() const; | |
| 138 // Add a peephole rule to this instruction | |
| 139 virtual void append_peephole(Peephole *peep); | |
| 140 | |
| 141 virtual bool is_pinned(FormDict &globals); // should be pinned inside block | |
| 142 virtual bool is_projection(FormDict &globals); // node requires projection | |
| 143 virtual bool is_parm(FormDict &globals); // node matches ideal 'Parm' | |
| 144 // ideal opcode enumeration | |
| 145 virtual const char *ideal_Opcode(FormDict &globals) const; | |
| 146 virtual int is_expensive() const; // node matches ideal 'CosD' | |
| 147 virtual int is_empty_encoding() const; // _size=0 and/or _insencode empty | |
| 148 virtual int is_tls_instruction() const; // tlsLoadP rule or ideal ThreadLocal | |
| 149 virtual int is_ideal_copy() const; // node matches ideal 'Copy*' | |
| 150 virtual bool is_ideal_if() const; // node matches ideal 'If' | |
| 151 virtual bool is_ideal_fastlock() const; // node matches 'FastLock' | |
| 152 virtual bool is_ideal_membar() const; // node matches ideal 'MemBarXXX' | |
| 153 virtual bool is_ideal_loadPC() const; // node matches ideal 'LoadPC' | |
| 154 virtual bool is_ideal_box() const; // node matches ideal 'Box' | |
| 155 virtual bool is_ideal_goto() const; // node matches ideal 'Goto' | |
| 156 virtual bool is_ideal_branch() const; // "" 'If' | 'Goto' | 'LoopEnd' | 'Jump' | |
| 157 virtual bool is_ideal_jump() const; // node matches ideal 'Jump' | |
| 158 virtual bool is_ideal_return() const; // node matches ideal 'Return' | |
| 159 virtual bool is_ideal_halt() const; // node matches ideal 'Halt' | |
| 160 virtual bool is_ideal_safepoint() const; // node matches 'SafePoint' | |
| 161 virtual bool is_ideal_nop() const; // node matches 'Nop' | |
| 162 virtual bool is_ideal_control() const; // control node | |
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163 virtual bool is_vector() const; // vector instruction |
| 0 | 164 |
| 165 virtual Form::CallType is_ideal_call() const; // matches ideal 'Call' | |
| 166 virtual Form::DataType is_ideal_load() const; // node matches ideal 'LoadXNode' | |
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167 // Should antidep checks be disabled for this Instruct |
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168 // See definition of MatchRule::skip_antidep_check |
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169 bool skip_antidep_check() const; |
| 0 | 170 virtual Form::DataType is_ideal_store() const;// node matches ideal 'StoreXNode' |
| 171 bool is_ideal_mem() const { return is_ideal_load() != Form::none || is_ideal_store() != Form::none; } | |
| 172 virtual uint two_address(FormDict &globals); // output reg must match input reg | |
| 173 // when chaining a constant to an instruction, return 'true' and set opType | |
| 174 virtual Form::DataType is_chain_of_constant(FormDict &globals); | |
| 175 virtual Form::DataType is_chain_of_constant(FormDict &globals, const char * &opType); | |
| 176 virtual Form::DataType is_chain_of_constant(FormDict &globals, const char * &opType, const char * &result_type); | |
| 177 | |
| 178 // Check if a simple chain rule | |
| 179 virtual bool is_simple_chain_rule(FormDict &globals) const; | |
| 180 | |
| 181 // check for structural rematerialization | |
| 182 virtual bool rematerialize(FormDict &globals, RegisterForm *registers); | |
| 183 | |
| 184 // loads from memory, so must check for anti-dependence | |
| 185 virtual bool needs_anti_dependence_check(FormDict &globals) const; | |
| 186 virtual int memory_operand(FormDict &globals) const; | |
| 187 bool is_wide_memory_kill(FormDict &globals) const; | |
| 188 | |
| 189 enum memory_operand_type { | |
| 190 NO_MEMORY_OPERAND = -1, | |
| 191 MANY_MEMORY_OPERANDS = 999999 | |
| 192 }; | |
| 193 | |
| 194 | |
| 195 // This instruction captures the machine-independent bottom_type | |
| 196 // Expected use is for pointer vs oop determination for LoadP | |
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197 virtual bool captures_bottom_type(FormDict& globals) const; |
| 0 | 198 |
| 199 virtual const char *cost(); // Access ins_cost attribute | |
| 200 virtual uint num_opnds(); // Count of num_opnds for MachNode class | |
| 6850 | 201 // Counts USE_DEF opnds twice. See also num_unique_opnds(). |
| 0 | 202 virtual uint num_post_match_opnds(); |
| 203 virtual uint num_consts(FormDict &globals) const;// Constants in match rule | |
| 204 // Constants in match rule with specified type | |
| 205 virtual uint num_consts(FormDict &globals, Form::DataType type) const; | |
| 206 | |
| 207 // Return the register class associated with 'leaf'. | |
| 208 virtual const char *out_reg_class(FormDict &globals); | |
| 209 | |
| 210 // number of ideal node inputs to skip | |
| 211 virtual uint oper_input_base(FormDict &globals); | |
| 212 | |
| 213 // Does this instruction need a base-oop edge? | |
| 214 int needs_base_oop_edge(FormDict &globals) const; | |
| 215 | |
| 216 // Build instruction predicates. If the user uses the same operand name | |
| 217 // twice, we need to check that the operands are pointer-eequivalent in | |
| 218 // the DFA during the labeling process. | |
| 219 Predicate *build_predicate(); | |
| 220 | |
| 221 virtual void build_components(); // top-level operands | |
| 222 // Return zero-based position in component list; -1 if not in list. | |
| 223 virtual int operand_position(const char *name, int usedef); | |
| 224 virtual int operand_position_format(const char *name); | |
| 225 | |
| 226 // Return zero-based position in component list; -1 if not in list. | |
| 227 virtual int label_position(); | |
| 228 virtual int method_position(); | |
| 229 // Return number of relocation entries needed for this instruction. | |
| 230 virtual uint reloc(FormDict &globals); | |
| 231 | |
| 6850 | 232 const char *opnd_ident(int idx); // Name of operand #idx. |
| 0 | 233 const char *reduce_result(); |
| 234 // Return the name of the operand on the right hand side of the binary match | |
| 235 // Return NULL if there is no right hand side | |
| 236 const char *reduce_right(FormDict &globals) const; | |
| 237 const char *reduce_left(FormDict &globals) const; | |
| 238 | |
| 239 // Base class for this instruction, MachNode except for calls | |
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240 virtual const char *mach_base_class(FormDict &globals) const; |
| 0 | 241 |
| 242 // Check if this instruction can cisc-spill to 'alternate' | |
| 243 bool cisc_spills_to(ArchDesc &AD, InstructForm *alternate); | |
| 244 InstructForm *cisc_spill_alternate() { return _cisc_spill_alternate; } | |
| 6850 | 245 int cisc_spill_operand() const { return _cisc_spill_operand; } |
| 0 | 246 bool is_cisc_alternate() const { return _is_cisc_alternate; } |
| 247 void set_cisc_alternate(bool val) { _is_cisc_alternate = val; } | |
| 248 const char *cisc_reg_mask_name() const { return _cisc_reg_mask_name; } | |
| 249 void set_cisc_reg_mask_name(const char *rm_name) { _cisc_reg_mask_name = rm_name; } | |
| 250 // Output cisc-method prototypes and method bodies | |
| 251 void declare_cisc_version(ArchDesc &AD, FILE *fp_cpp); | |
| 252 bool define_cisc_version (ArchDesc &AD, FILE *fp_cpp); | |
| 253 | |
| 254 bool check_branch_variant(ArchDesc &AD, InstructForm *short_branch); | |
| 255 | |
| 256 bool is_short_branch() { return _is_short_branch; } | |
| 257 void set_short_branch(bool val) { _is_short_branch = val; } | |
| 258 | |
| 2008 | 259 bool is_mach_constant() const { return _is_mach_constant; } |
| 260 void set_is_mach_constant(bool x) { _is_mach_constant = x; } | |
| 261 | |
| 0 | 262 InstructForm *short_branch_form() { return _short_branch_form; } |
| 263 bool has_short_branch_form() { return _short_branch_form != NULL; } | |
| 264 // Output short branch prototypes and method bodies | |
| 265 void declare_short_branch_methods(FILE *fp_cpp); | |
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266 bool define_short_branch_methods(ArchDesc &AD, FILE *fp_cpp); |
| 0 | 267 |
| 268 uint alignment() { return _alignment; } | |
| 269 void set_alignment(uint val) { _alignment = val; } | |
| 270 | |
| 271 // Seach through operands to determine operands unique positions. | |
| 272 void set_unique_opnds(); | |
| 273 uint num_unique_opnds() { return _num_uniq; } | |
| 274 uint unique_opnds_idx(int idx) { | |
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275 if( _uniq_idx != NULL && idx > 0 ) { |
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276 assert(idx < _uniq_idx_length, "out of bounds"); |
| 0 | 277 return _uniq_idx[idx]; |
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278 } else { |
| 0 | 279 return idx; |
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280 } |
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281 } |
| 6850 | 282 const char *unique_opnd_ident(int idx); // Name of operand at unique idx. |
| 0 | 283 |
| 284 // Operands which are only KILLs aren't part of the input array and | |
| 285 // require special handling in some cases. Their position in this | |
| 286 // operand list is higher than the number of unique operands. | |
| 287 bool is_noninput_operand(uint idx) { | |
| 288 return (idx >= num_unique_opnds()); | |
| 289 } | |
| 290 | |
| 291 // --------------------------- FILE *output_routines | |
| 292 // | |
| 293 // Generate the format call for the replacement variable | |
| 294 void rep_var_format(FILE *fp, const char *rep_var); | |
| 605 | 295 // Generate index values needed for determining the operand position |
| 0 | 296 void index_temps (FILE *fp, FormDict &globals, const char *prefix = "", const char *receiver = ""); |
| 297 // --------------------------- | |
| 298 | |
| 299 virtual bool verify(); // Check consistency after parsing | |
| 300 | |
| 301 virtual void dump(); // Debug printer | |
| 302 virtual void output(FILE *fp); // Write to output files | |
| 303 }; | |
| 304 | |
| 305 //------------------------------EncodeForm------------------------------------- | |
| 306 class EncodeForm : public Form { | |
| 307 private: | |
| 308 | |
| 309 public: | |
| 310 // Public Data | |
| 311 NameList _eclasses; // List of encode class names | |
| 312 Dict _encClass; // Map encode class names to EncClass objects | |
| 313 | |
| 314 // Public Methods | |
| 315 EncodeForm(); | |
| 316 ~EncodeForm(); | |
| 317 | |
| 318 EncClass *add_EncClass(const char *className); | |
| 319 EncClass *encClass(const char *className); | |
| 320 | |
| 321 const char *encClassPrototype(const char *className); | |
| 322 const char *encClassBody(const char *className); | |
| 323 | |
| 324 void dump(); // Debug printer | |
| 325 void output(FILE *fp); // Write info to output files | |
| 326 }; | |
| 327 | |
| 328 //------------------------------EncClass--------------------------------------- | |
| 329 class EncClass : public Form { | |
| 330 public: | |
| 331 // NameList for parameter type and name | |
| 332 NameList _parameter_type; | |
| 333 NameList _parameter_name; | |
| 334 | |
| 335 // Breakdown the encoding into strings separated by $replacement_variables | |
| 336 // There is an entry in _strings, perhaps NULL, that precedes each _rep_vars | |
| 337 NameList _code; // Strings passed through to tty->print | |
| 338 NameList _rep_vars; // replacement variables | |
| 339 | |
| 340 NameList _parameters; // Locally defined names | |
| 341 FormDict _localNames; // Table of components & their types | |
| 342 | |
| 343 public: | |
| 344 // Public Data | |
| 345 const char *_name; // encoding class name | |
| 346 | |
| 347 // Public Methods | |
| 348 EncClass(const char *name); | |
| 349 ~EncClass(); | |
| 350 | |
| 351 // --------------------------- Parameters | |
| 352 // Add a parameter <type,name> pair | |
| 353 void add_parameter(const char *parameter_type, const char *parameter_name); | |
| 354 // Verify operand types in parameter list | |
| 355 bool check_parameter_types(FormDict &globals); | |
| 356 // Obtain the zero-based index corresponding to a replacement variable | |
| 357 int rep_var_index(const char *rep_var); | |
| 358 int num_args() { return _parameter_name.count(); } | |
| 359 | |
| 360 // --------------------------- Code Block | |
| 361 // Add code | |
| 605 | 362 void add_code(const char *string_preceding_replacement_var); |
| 0 | 363 // Add a replacement variable or one of its subfields |
| 364 // Subfields are stored with a leading '$' | |
| 365 void add_rep_var(char *replacement_var); | |
| 366 | |
| 367 bool verify(); | |
| 368 void dump(); | |
| 369 void output(FILE *fp); | |
| 370 }; | |
| 371 | |
| 372 //------------------------------MachNode--------------------------------------- | |
| 373 class MachNodeForm: public Form { | |
| 374 private: | |
| 375 | |
| 376 public: | |
| 377 char *_ident; // Name of this instruction | |
| 378 const char *_machnode_pipe; // Instruction Scheduline description class | |
| 379 | |
| 380 // Public Methods | |
| 381 MachNodeForm(char *id); | |
| 382 ~MachNodeForm(); | |
| 383 | |
| 384 virtual MachNodeForm *is_machnode() const; | |
| 385 | |
| 386 void dump(); // Debug printer | |
| 387 void output(FILE *fp); // Write info to output files | |
| 388 }; | |
| 389 | |
| 390 //------------------------------Opcode----------------------------------------- | |
| 391 class Opcode : public Form { | |
| 392 private: | |
| 393 | |
| 394 public: | |
| 395 // Public Data | |
| 396 // Strings representing instruction opcodes, user defines placement in emit | |
| 397 char *_primary; | |
| 398 char *_secondary; | |
| 399 char *_tertiary; | |
| 400 | |
| 401 enum opcode_type { | |
| 402 NOT_AN_OPCODE = -1, | |
| 403 PRIMARY = 1, | |
| 404 SECONDARY = 2, | |
| 405 TERTIARY = 3 | |
| 406 }; | |
| 407 | |
| 408 // Public Methods | |
| 409 Opcode(char *primary, char *secondary, char *tertiary); | |
| 410 ~Opcode(); | |
| 411 | |
| 412 static Opcode::opcode_type as_opcode_type(const char *designator); | |
| 413 | |
| 414 void dump(); | |
| 415 void output(FILE *fp); | |
| 416 | |
| 417 // --------------------------- FILE *output_routines | |
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418 bool print_opcode(FILE *fp, Opcode::opcode_type desired_opcode); |
| 0 | 419 }; |
| 420 | |
| 421 //------------------------------InsEncode-------------------------------------- | |
| 422 class InsEncode : public Form { | |
| 423 private: | |
| 424 // Public Data (access directly only for reads) | |
| 425 // The encodings can only have the values predefined by the ADLC: | |
| 426 // blank, RegReg, RegMem, MemReg, ... | |
| 427 NameList _encoding; | |
| 428 // NameList _parameter; | |
| 429 // The parameters for each encoding are preceeded by a NameList::_signal | |
| 430 // and follow the parameters for the previous encoding. | |
| 431 | |
| 432 // char *_encode; // Type of instruction encoding | |
| 433 | |
| 434 public: | |
| 435 // Public Methods | |
| 436 InsEncode(); | |
| 437 ~InsEncode(); | |
| 438 | |
| 439 // Add "encode class name" and its parameters | |
| 440 NameAndList *add_encode(char *encode_method_name); | |
| 441 // Parameters are added to the returned "NameAndList" by the parser | |
| 442 | |
| 443 // Access the list of encodings | |
| 444 void reset(); | |
| 445 const char *encode_class_iter(); | |
| 446 | |
| 447 // Returns the number of arguments to the current encoding in the iteration | |
| 448 int current_encoding_num_args() { | |
| 449 return ((NameAndList*)_encoding.current())->count(); | |
| 450 } | |
| 451 | |
| 452 // --------------------------- Parameters | |
| 453 // The following call depends upon position within encode_class_iteration | |
| 454 // | |
| 455 // Obtain parameter name from zero based index | |
| 456 const char *rep_var_name(InstructForm &inst, uint param_no); | |
| 457 // --------------------------- | |
| 458 | |
| 459 void dump(); | |
| 460 void output(FILE *fp); | |
| 461 }; | |
| 462 | |
| 463 //------------------------------Effect----------------------------------------- | |
| 464 class Effect : public Form { | |
| 465 private: | |
| 466 | |
| 467 public: | |
| 468 // Public Data | |
| 469 const char *_name; // Pre-defined name for effect | |
| 470 int _use_def; // Enumeration value of effect | |
| 471 | |
| 472 // Public Methods | |
| 473 Effect(const char *name); // Constructor | |
| 474 ~Effect(); // Destructor | |
| 475 | |
| 476 // Dynamic type check | |
| 477 virtual Effect *is_effect() const; | |
| 478 | |
| 479 // Return 'true' if this use def info equals the parameter | |
| 480 bool is(int use_def_kill_enum) const; | |
| 481 // Return 'true' if this use def info is a superset of parameter | |
| 482 bool isa(int use_def_kill_enum) const; | |
| 483 | |
| 484 void dump(); // Debug printer | |
| 485 void output(FILE *fp); // Write info to output files | |
| 486 }; | |
| 487 | |
| 488 //------------------------------ExpandRule------------------------------------- | |
| 489 class ExpandRule : public Form { | |
| 490 private: | |
| 491 NameList _expand_instrs; // ordered list of instructions and operands | |
| 492 | |
| 493 public: | |
| 494 // Public Data | |
| 495 NameList _newopers; // List of newly created operands | |
| 496 Dict _newopconst; // Map new operands to their constructors | |
| 497 | |
| 498 void add_instruction(NameAndList *instruction_name_and_operand_list); | |
| 499 void reset_instructions(); | |
| 500 NameAndList *iter_instructions(); | |
| 501 | |
| 502 // Public Methods | |
| 503 ExpandRule(); // Constructor | |
| 504 ~ExpandRule(); // Destructor | |
| 505 | |
| 506 void dump(); // Debug printer | |
| 507 void output(FILE *fp); // Write info to output files | |
| 508 }; | |
| 509 | |
| 510 //------------------------------RewriteRule------------------------------------ | |
| 511 class RewriteRule : public Form { | |
| 512 private: | |
| 513 | |
| 514 public: | |
| 515 // Public Data | |
| 516 SourceForm *_condition; // Rewrite condition code | |
| 517 InstructForm *_instrs; // List of instructions to expand to | |
| 518 OperandForm *_opers; // List of operands generated by expand | |
| 519 char *_tempParams; // Hold string until parser is finished. | |
| 520 char *_tempBlock; // Hold string until parser is finished. | |
| 521 | |
| 522 // Public Methods | |
| 523 RewriteRule(char* params, char* block) ; | |
| 524 ~RewriteRule(); // Destructor | |
| 525 void dump(); // Debug printer | |
| 526 void output(FILE *fp); // Write info to output files | |
| 527 }; | |
| 528 | |
| 529 | |
| 530 //==============================Operands======================================= | |
| 531 //------------------------------OpClassForm------------------------------------ | |
| 532 class OpClassForm : public Form { | |
| 533 public: | |
| 534 // Public Data | |
| 535 const char *_ident; // Name of this operand | |
| 536 NameList _oplst; // List of operand forms included in class | |
| 537 | |
| 538 // Public Methods | |
| 539 OpClassForm(const char *id); | |
| 540 ~OpClassForm(); | |
| 541 | |
| 542 // dynamic type check | |
| 543 virtual OpClassForm *is_opclass() const; | |
| 544 virtual Form::InterfaceType interface_type(FormDict &globals) const; | |
| 545 virtual bool stack_slots_only(FormDict &globals) const; | |
| 546 | |
| 547 virtual bool is_cisc_mem(FormDict &globals) const; | |
| 548 | |
| 549 | |
| 550 // Min and Max opcodes of operands in this operand class | |
| 551 int _minCode; | |
| 552 int _maxCode; | |
| 553 | |
| 554 virtual bool ideal_only() const; | |
| 555 virtual void dump(); // Debug printer | |
| 556 virtual void output(FILE *fp); // Write to output files | |
| 557 }; | |
| 558 | |
| 559 //------------------------------OperandForm------------------------------------ | |
| 560 class OperandForm : public OpClassForm { | |
| 561 private: | |
| 562 bool _ideal_only; // Not a user-defined instruction | |
| 563 | |
| 564 public: | |
| 565 // Public Data | |
| 566 NameList _parameters; // Locally defined names | |
| 567 FormDict _localNames; // Table of components & their types | |
| 568 MatchRule *_matrule; // Matching rule for this operand | |
| 569 Interface *_interface; // Encoding interface for this operand | |
| 570 Attribute *_attribs; // List of Attribute rules | |
| 571 Predicate *_predicate; // Predicate test for this operand | |
| 572 Constraint *_constraint; // Constraint Rule for this operand | |
| 573 ConstructRule *_construct; // Construction of operand data after matching | |
| 574 FormatRule *_format; // Format for assembly generation | |
| 575 NameList _classes; // List of opclasses which contain this oper | |
| 576 | |
| 577 ComponentList _components; // | |
| 578 | |
| 579 // Public Methods | |
| 580 OperandForm(const char *id); | |
| 581 OperandForm(const char *id, bool ideal_only); | |
| 582 ~OperandForm(); | |
| 583 | |
| 584 // Dynamic type check | |
| 585 virtual OperandForm *is_operand() const; | |
| 586 | |
| 587 virtual bool ideal_only() const; | |
| 588 virtual Form::InterfaceType interface_type(FormDict &globals) const; | |
| 589 virtual bool stack_slots_only(FormDict &globals) const; | |
| 590 | |
| 591 virtual const char *cost(); // Access ins_cost attribute | |
| 592 virtual uint num_leaves() const;// Leaves in complex operand | |
| 593 // Constants in operands' match rules | |
| 594 virtual uint num_consts(FormDict &globals) const; | |
| 595 // Constants in operand's match rule with specified type | |
| 596 virtual uint num_consts(FormDict &globals, Form::DataType type) const; | |
| 597 // Pointer Constants in operands' match rules | |
| 598 virtual uint num_const_ptrs(FormDict &globals) const; | |
| 599 // The number of input edges in the machine world == num_leaves - num_consts | |
| 600 virtual uint num_edges(FormDict &globals) const; | |
| 601 | |
| 602 // Check if this operand is usable for cisc-spilling | |
| 603 virtual bool is_cisc_reg(FormDict &globals) const; | |
| 604 | |
| 605 // node matches ideal 'Bool', grab condition codes from the ideal world | |
| 606 virtual bool is_ideal_bool() const; | |
| 607 | |
| 608 // Has an integer constant suitable for spill offsets | |
| 609 bool has_conI(FormDict &globals) const { | |
| 610 return (num_consts(globals,idealI) == 1) && !is_ideal_bool(); } | |
| 611 bool has_conL(FormDict &globals) const { | |
| 612 return (num_consts(globals,idealL) == 1) && !is_ideal_bool(); } | |
| 613 | |
| 614 // Node is user-defined operand for an sRegX | |
| 615 virtual Form::DataType is_user_name_for_sReg() const; | |
| 616 | |
| 617 // Return ideal type, if there is a single ideal type for this operand | |
| 618 virtual const char *ideal_type(FormDict &globals, RegisterForm *registers = NULL) const; | |
| 619 // If there is a single ideal type for this interface field, return it. | |
| 620 virtual const char *interface_ideal_type(FormDict &globals, | |
| 621 const char *field_name) const; | |
| 622 | |
| 623 // Return true if this operand represents a bound register class | |
| 624 bool is_bound_register() const; | |
| 625 | |
| 626 // Return the Register class for this operand. Returns NULL if | |
| 627 // operand isn't a register form. | |
| 628 RegClass* get_RegClass() const; | |
| 629 | |
| 630 virtual bool is_interface_field(const char *field_name, | |
| 631 const char * &value) const; | |
| 632 | |
| 633 // If this operand has a single ideal type, return its type | |
| 634 virtual Form::DataType simple_type(FormDict &globals) const; | |
| 635 // If this operand is an ideal constant, return its type | |
| 636 virtual Form::DataType is_base_constant(FormDict &globals) const; | |
| 637 | |
| 638 // "true" if this operand is a simple type that is swallowed | |
| 639 virtual bool swallowed(FormDict &globals) const; | |
| 640 | |
| 641 // Return register class name if a constraint specifies the register class. | |
| 642 virtual const char *constrained_reg_class() const; | |
| 643 // Return the register class associated with 'leaf'. | |
| 644 virtual const char *in_reg_class(uint leaf, FormDict &globals); | |
| 645 | |
| 646 // Build component list from MatchRule and operand's parameter list | |
| 647 virtual void build_components(); // top-level operands | |
| 648 | |
| 649 // Return zero-based position in component list; -1 if not in list. | |
| 650 virtual int operand_position(const char *name, int usedef); | |
| 651 | |
| 652 // Return zero-based position in component list; -1 if not in list. | |
| 653 virtual int constant_position(FormDict &globals, const Component *comp); | |
| 654 virtual int constant_position(FormDict &globals, const char *local_name); | |
| 655 // Return the operand form corresponding to the given index, else NULL. | |
| 656 virtual OperandForm *constant_operand(FormDict &globals, uint const_index); | |
| 657 | |
| 658 // Return zero-based position in component list; -1 if not in list. | |
| 659 virtual int register_position(FormDict &globals, const char *regname); | |
| 660 | |
| 661 const char *reduce_result() const; | |
| 662 // Return the name of the operand on the right hand side of the binary match | |
| 663 // Return NULL if there is no right hand side | |
| 664 const char *reduce_right(FormDict &globals) const; | |
| 665 const char *reduce_left(FormDict &globals) const; | |
| 666 | |
| 667 | |
| 668 // --------------------------- FILE *output_routines | |
| 669 // | |
| 670 // Output code for disp_is_oop, if true. | |
| 671 void disp_is_oop(FILE *fp, FormDict &globals); | |
| 672 // Generate code for internal and external format methods | |
| 673 void int_format(FILE *fp, FormDict &globals, uint index); | |
| 674 void ext_format(FILE *fp, FormDict &globals, uint index); | |
| 675 void format_constant(FILE *fp, uint con_index, uint con_type); | |
| 676 // Output code to access the value of the index'th constant | |
| 677 void access_constant(FILE *fp, FormDict &globals, | |
| 678 uint con_index); | |
| 679 // --------------------------- | |
| 680 | |
| 681 | |
| 682 virtual void dump(); // Debug printer | |
| 683 virtual void output(FILE *fp); // Write to output files | |
| 684 }; | |
| 685 | |
| 686 //------------------------------Constraint------------------------------------- | |
| 687 class Constraint : public Form { | |
| 688 private: | |
| 689 | |
| 690 public: | |
| 691 const char *_func; // Constraint function | |
| 692 const char *_arg; // function's argument | |
| 693 | |
| 694 // Public Methods | |
| 695 Constraint(const char *func, const char *arg); // Constructor | |
| 696 ~Constraint(); | |
| 697 | |
| 698 bool stack_slots_only() const; | |
| 699 | |
| 700 void dump(); // Debug printer | |
| 701 void output(FILE *fp); // Write info to output files | |
| 702 }; | |
| 703 | |
| 704 //------------------------------Predicate-------------------------------------- | |
| 705 class Predicate : public Form { | |
| 706 private: | |
| 707 | |
| 708 public: | |
| 709 // Public Data | |
| 710 char *_pred; // C++ source string for predicate | |
| 711 | |
| 712 // Public Methods | |
| 713 Predicate(char *pr); | |
| 714 ~Predicate(); | |
| 715 | |
| 716 void dump(); | |
| 717 void output(FILE *fp); | |
| 718 }; | |
| 719 | |
| 720 //------------------------------Interface-------------------------------------- | |
| 721 class Interface : public Form { | |
| 722 private: | |
| 723 | |
| 724 public: | |
| 725 // Public Data | |
| 726 const char *_name; // String representing the interface name | |
| 727 | |
| 728 // Public Methods | |
| 729 Interface(const char *name); | |
| 730 ~Interface(); | |
| 731 | |
| 732 virtual Form::InterfaceType interface_type(FormDict &globals) const; | |
| 733 | |
| 734 RegInterface *is_RegInterface(); | |
| 735 MemInterface *is_MemInterface(); | |
| 736 ConstInterface *is_ConstInterface(); | |
| 737 CondInterface *is_CondInterface(); | |
| 738 | |
| 739 | |
| 740 void dump(); | |
| 741 void output(FILE *fp); | |
| 742 }; | |
| 743 | |
| 744 //------------------------------RegInterface----------------------------------- | |
| 745 class RegInterface : public Interface { | |
| 746 private: | |
| 747 | |
| 748 public: | |
| 749 // Public Methods | |
| 750 RegInterface(); | |
| 751 ~RegInterface(); | |
| 752 | |
| 753 void dump(); | |
| 754 void output(FILE *fp); | |
| 755 }; | |
| 756 | |
| 757 //------------------------------ConstInterface--------------------------------- | |
| 758 class ConstInterface : public Interface { | |
| 759 private: | |
| 760 | |
| 761 public: | |
| 762 // Public Methods | |
| 763 ConstInterface(); | |
| 764 ~ConstInterface(); | |
| 765 | |
| 766 void dump(); | |
| 767 void output(FILE *fp); | |
| 768 }; | |
| 769 | |
| 770 //------------------------------MemInterface----------------------------------- | |
| 771 class MemInterface : public Interface { | |
| 772 private: | |
| 773 | |
| 774 public: | |
| 775 // Public Data | |
| 776 char *_base; // Base address | |
| 777 char *_index; // index | |
| 778 char *_scale; // scaling factor | |
| 779 char *_disp; // displacement | |
| 780 | |
| 781 // Public Methods | |
| 782 MemInterface(char *base, char *index, char *scale, char *disp); | |
| 783 ~MemInterface(); | |
| 784 | |
| 785 void dump(); | |
| 786 void output(FILE *fp); | |
| 787 }; | |
| 788 | |
| 789 //------------------------------CondInterface---------------------------------- | |
| 790 class CondInterface : public Interface { | |
| 791 private: | |
| 792 | |
| 793 public: | |
| 794 const char *_equal; | |
| 795 const char *_not_equal; | |
| 796 const char *_less; | |
| 797 const char *_greater_equal; | |
| 798 const char *_less_equal; | |
| 799 const char *_greater; | |
|
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800 const char *_equal_format; |
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801 const char *_not_equal_format; |
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802 const char *_less_format; |
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803 const char *_greater_equal_format; |
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804 const char *_less_equal_format; |
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805 const char *_greater_format; |
| 0 | 806 |
| 807 // Public Methods | |
|
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808 CondInterface(const char* equal, const char* equal_format, |
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809 const char* not_equal, const char* not_equal_format, |
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810 const char* less, const char* less_format, |
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811 const char* greater_equal, const char* greater_equal_format, |
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812 const char* less_equal, const char* less_equal_format, |
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813 const char* greater, const char* greater_format); |
| 0 | 814 ~CondInterface(); |
| 815 | |
| 816 void dump(); | |
| 817 void output(FILE *fp); | |
| 818 }; | |
| 819 | |
| 820 //------------------------------ConstructRule---------------------------------- | |
| 821 class ConstructRule : public Form { | |
| 822 private: | |
| 823 | |
| 824 public: | |
| 825 // Public Data | |
| 826 char *_expr; // String representing the match expression | |
| 827 char *_construct; // String representing C++ constructor code | |
| 828 | |
| 829 // Public Methods | |
| 830 ConstructRule(char *cnstr); | |
| 831 ~ConstructRule(); | |
| 832 | |
| 833 void dump(); | |
| 834 void output(FILE *fp); | |
| 835 }; | |
| 836 | |
| 837 | |
| 838 //==============================Shared========================================= | |
| 839 //------------------------------AttributeForm---------------------------------- | |
| 840 class AttributeForm : public Form { | |
| 841 private: | |
| 842 // counters for unique instruction or operand ID | |
| 843 static int _insId; // user-defined machine instruction types | |
| 844 static int _opId; // user-defined operand types | |
| 845 | |
| 846 int id; // hold type for this object | |
| 847 | |
| 848 public: | |
| 849 // Public Data | |
| 850 char *_attrname; // Name of attribute | |
| 851 int _atype; // Either INS_ATTR or OP_ATTR | |
| 852 char *_attrdef; // C++ source which evaluates to constant | |
| 853 | |
| 854 // Public Methods | |
| 855 AttributeForm(char *attr, int type, char *attrdef); | |
| 856 ~AttributeForm(); | |
| 857 | |
| 858 // Dynamic type check | |
| 859 virtual AttributeForm *is_attribute() const; | |
| 860 | |
| 861 int type() { return id;} // return this object's "id" | |
| 862 | |
| 863 static const char* _ins_cost; // "ins_cost" | |
| 864 static const char* _op_cost; // "op_cost" | |
| 865 | |
| 866 void dump(); // Debug printer | |
| 867 void output(FILE *fp); // Write output files | |
| 868 }; | |
| 869 | |
| 870 //------------------------------Component-------------------------------------- | |
| 871 class Component : public Form { | |
| 872 private: | |
| 873 | |
| 874 public: | |
| 875 // Public Data | |
| 876 const char *_name; // Name of this component | |
| 877 const char *_type; // Type of this component | |
| 878 int _usedef; // Value of component | |
| 879 | |
| 880 // Public Methods | |
| 881 Component(const char *name, const char *type, int usedef); | |
| 882 ~Component(); | |
| 883 | |
| 884 | |
| 885 // Return 'true' if this use def info equals the parameter | |
| 886 bool is(int use_def_kill_enum) const; | |
| 887 // Return 'true' if this use def info is a superset of parameter | |
| 888 bool isa(int use_def_kill_enum) const; | |
| 889 int promote_use_def_info(int new_use_def); | |
| 890 const char *base_type(FormDict &globals); | |
| 891 // Form::DataType is_base_constant(FormDict &globals); | |
| 892 | |
| 893 void dump(); // Debug printer | |
| 894 void output(FILE *fp); // Write to output files | |
| 6850 | 895 const char* getUsedefName(); |
| 0 | 896 |
| 897 public: | |
| 898 // Implementation depends upon working bit intersection and union. | |
| 899 enum use_def_enum { | |
| 900 INVALID = 0x0, | |
| 901 USE = 0x1, | |
| 902 DEF = 0x2, USE_DEF = 0x3, | |
| 903 KILL = 0x4, USE_KILL = 0x5, | |
| 904 SYNTHETIC = 0x8, | |
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905 TEMP = USE | SYNTHETIC, |
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906 CALL = 0x10 |
| 0 | 907 }; |
| 908 }; | |
| 909 | |
| 910 | |
| 911 //------------------------------MatchNode-------------------------------------- | |
| 912 class MatchNode : public Form { | |
| 913 private: | |
| 914 | |
| 915 public: | |
| 916 // Public Data | |
| 917 const char *_result; // The name of the output of this node | |
| 918 const char *_name; // The name that appeared in the match rule | |
| 919 const char *_opType; // The Operation/Type matched | |
| 920 MatchNode *_lChild; // Left child in expression tree | |
| 921 MatchNode *_rChild; // Right child in expression tree | |
| 922 int _numleaves; // Sum of numleaves for all direct children | |
| 923 ArchDesc &_AD; // Reference to ArchDesc object | |
| 924 char *_internalop; // String representing internal operand | |
| 925 int _commutative_id; // id of commutative operation | |
| 926 | |
| 927 // Public Methods | |
| 928 MatchNode(ArchDesc &ad, const char *result = 0, const char *expr = 0, | |
| 929 const char *opType=0, MatchNode *lChild=NULL, | |
| 930 MatchNode *rChild=NULL); | |
| 931 MatchNode(ArchDesc &ad, MatchNode& mNode); // Shallow copy constructor; | |
| 932 MatchNode(ArchDesc &ad, MatchNode& mNode, int clone); // Construct clone | |
| 933 ~MatchNode(); | |
| 934 | |
| 935 // return 0 if not found: | |
| 936 // return 1 if found and position is incremented by operand offset in rule | |
| 937 bool find_name(const char *str, int &position) const; | |
| 938 bool find_type(const char *str, int &position) const; | |
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939 virtual void append_components(FormDict& locals, ComponentList& components, |
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940 bool def_flag = false) const; |
| 0 | 941 bool base_operand(uint &position, FormDict &globals, |
| 942 const char * &result, const char * &name, | |
| 943 const char * &opType) const; | |
| 944 // recursive count on operands | |
| 945 uint num_consts(FormDict &globals) const; | |
| 946 uint num_const_ptrs(FormDict &globals) const; | |
| 947 // recursive count of constants with specified type | |
| 948 uint num_consts(FormDict &globals, Form::DataType type) const; | |
| 949 // uint num_consts() const; // Local inspection only | |
| 950 int needs_ideal_memory_edge(FormDict &globals) const; | |
| 951 int needs_base_oop_edge() const; | |
| 952 | |
| 953 // Help build instruction predicates. Search for operand names. | |
| 954 void count_instr_names( Dict &names ); | |
| 955 int build_instr_pred( char *buf, const char *name, int cnt ); | |
| 956 void build_internalop( ); | |
| 957 | |
| 958 // Return the name of the operands associated with reducing to this operand: | |
| 959 // The result type, plus the left and right sides of the binary match | |
| 960 // Return NULL if there is no left or right hand side | |
| 961 bool sets_result() const; // rule "Set"s result of match | |
| 962 const char *reduce_right(FormDict &globals) const; | |
| 963 const char *reduce_left (FormDict &globals) const; | |
| 964 | |
| 965 // Recursive version of check in MatchRule | |
|
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966 int cisc_spill_match(FormDict& globals, RegisterForm* registers, |
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967 MatchNode* mRule2, const char* &operand, |
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968 const char* ®_type); |
| 0 | 969 int cisc_spill_merge(int left_result, int right_result); |
| 970 | |
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971 virtual bool equivalent(FormDict& globals, MatchNode* mNode2); |
| 0 | 972 |
| 973 void count_commutative_op(int& count); | |
| 974 void swap_commutative_op(bool atroot, int count); | |
| 975 | |
| 976 void dump(); | |
| 977 void output(FILE *fp); | |
| 978 }; | |
| 979 | |
| 980 //------------------------------MatchRule-------------------------------------- | |
| 981 class MatchRule : public MatchNode { | |
| 982 private: | |
| 983 | |
| 984 public: | |
| 985 // Public Data | |
| 986 const char *_machType; // Machine type index | |
| 987 int _depth; // Expression tree depth | |
| 988 char *_construct; // String representing C++ constructor code | |
| 989 int _numchilds; // Number of direct children | |
| 990 MatchRule *_next; // Pointer to next match rule | |
| 991 | |
| 992 // Public Methods | |
| 993 MatchRule(ArchDesc &ad); | |
| 994 MatchRule(ArchDesc &ad, MatchRule* mRule); // Shallow copy constructor; | |
| 995 MatchRule(ArchDesc &ad, MatchNode* mroot, int depth, char* construct, int numleaves); | |
| 996 ~MatchRule(); | |
| 997 | |
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998 virtual void append_components(FormDict& locals, ComponentList& components, bool def_flag = false) const; |
| 0 | 999 // Recursive call on all operands' match rules in my match rule. |
| 1000 bool base_operand(uint &position, FormDict &globals, | |
| 1001 const char * &result, const char * &name, | |
| 1002 const char * &opType) const; | |
| 1003 | |
| 1004 | |
| 1005 bool is_base_register(FormDict &globals) const; | |
| 1006 Form::DataType is_base_constant(FormDict &globals) const; | |
| 1007 bool is_chain_rule(FormDict &globals) const; | |
| 1008 int is_ideal_copy() const; | |
| 1009 int is_expensive() const; // node matches ideal 'CosD' | |
| 1010 bool is_ideal_if() const; // node matches ideal 'If' | |
| 1011 bool is_ideal_fastlock() const; // node matches ideal 'FastLock' | |
| 1012 bool is_ideal_jump() const; // node matches ideal 'Jump' | |
| 1013 bool is_ideal_membar() const; // node matches ideal 'MemBarXXX' | |
| 1014 bool is_ideal_loadPC() const; // node matches ideal 'LoadPC' | |
| 1015 bool is_ideal_box() const; // node matches ideal 'Box' | |
| 1016 bool is_ideal_goto() const; // node matches ideal 'Goto' | |
| 1017 bool is_ideal_loopEnd() const; // node matches ideal 'LoopEnd' | |
| 1018 bool is_ideal_bool() const; // node matches ideal 'Bool' | |
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1019 bool is_vector() const; // vector instruction |
| 0 | 1020 Form::DataType is_ideal_load() const;// node matches ideal 'LoadXNode' |
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1021 // Should antidep checks be disabled for this rule |
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1022 // See definition of MatchRule::skip_antidep_check |
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1023 bool skip_antidep_check() const; |
| 0 | 1024 Form::DataType is_ideal_store() const;// node matches ideal 'StoreXNode' |
| 1025 | |
| 1026 // Check if 'mRule2' is a cisc-spill variant of this MatchRule | |
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1027 int matchrule_cisc_spill_match(FormDict &globals, RegisterForm* registers, |
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1028 MatchRule* mRule2, const char* &operand, |
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1029 const char* ®_type); |
| 0 | 1030 |
| 1031 // Check if 'mRule2' is equivalent to this MatchRule | |
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1032 virtual bool equivalent(FormDict& globals, MatchNode* mRule2); |
| 0 | 1033 |
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1034 void matchrule_swap_commutative_op(const char* instr_ident, int count, int& match_rules_cnt); |
| 0 | 1035 |
| 1036 void dump(); | |
| 6850 | 1037 void output_short(FILE *fp); |
| 0 | 1038 void output(FILE *fp); |
| 1039 }; | |
| 1040 | |
| 1041 //------------------------------Attribute-------------------------------------- | |
| 1042 class Attribute : public Form { | |
| 1043 private: | |
| 1044 | |
| 1045 public: | |
| 1046 // Public Data | |
| 1047 char *_ident; // Name of predefined attribute | |
| 1048 char *_val; // C++ source which evaluates to constant | |
| 1049 int _atype; // Either INS_ATTR or OP_ATTR | |
| 1050 int int_val(ArchDesc &ad); // Return atoi(_val), ensuring syntax. | |
| 1051 | |
| 1052 // Public Methods | |
| 1053 Attribute(char *id, char* val, int type); | |
| 1054 ~Attribute(); | |
| 1055 | |
| 1056 void dump(); | |
| 1057 void output(FILE *fp); | |
| 1058 }; | |
| 1059 | |
| 1060 //------------------------------FormatRule------------------------------------- | |
| 1061 class FormatRule : public Form { | |
| 1062 private: | |
| 1063 | |
| 1064 public: | |
| 1065 // Public Data | |
| 1066 // There is an entry in _strings, perhaps NULL, that precedes each _rep_vars | |
| 1067 NameList _strings; // Strings passed through to tty->print | |
| 1068 NameList _rep_vars; // replacement variables | |
| 1069 char *_temp; // String representing the assembly code | |
| 1070 | |
| 1071 // Public Methods | |
| 1072 FormatRule(char *temp); | |
| 1073 ~FormatRule(); | |
| 1074 | |
| 1075 void dump(); | |
| 1076 void output(FILE *fp); | |
| 1077 }; | |
| 1972 | 1078 |
| 1079 #endif // SHARE_VM_ADLC_FORMSSEL_HPP |