Mercurial > hg > truffle
annotate src/share/vm/adlc/formssel.hpp @ 17795:a9becfeecd1b
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| author | kvn |
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| date | Wed, 22 Jan 2014 17:42:23 -0800 |
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| children | 4ca6dc0799b6 |
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| 0 | 1 /* |
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2 * Copyright (c) 1998, 2013, 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; | |
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86 bool _is_mach_constant; // True if Node is a MachConstantNode. |
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87 bool _needs_constant_base; // True if Node needs the mach_constant_base input. |
| 0 | 88 uint _alignment; |
| 89 | |
| 90 public: | |
| 91 // Public Data | |
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92 const char *_ident; // Name of this instruction |
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93 NameList _parameters; // Locally defined names |
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94 FormDict _localNames; // Table of operands & their types |
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95 MatchRule *_matrule; // Matching rule for this instruction |
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96 Opcode *_opcode; // Encoding of the opcode for instruction |
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97 char *_size; // Size of instruction |
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98 InsEncode *_insencode; // Encoding class instruction belongs to |
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99 InsEncode *_constant; // Encoding class constant value belongs to |
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100 bool _is_postalloc_expand; // Indicates that encoding just does a lateExpand. |
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101 Attribute *_attribs; // List of Attribute rules |
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102 Predicate *_predicate; // Predicate test for this instruction |
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103 FormDict _effects; // Dictionary of effect rules |
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104 ExpandRule *_exprule; // Expand rule for this instruction |
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105 RewriteRule *_rewrule; // Rewrite rule for this instruction |
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106 FormatRule *_format; // Format for assembly generation |
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107 Peephole *_peephole; // List of peephole rules for instruction |
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108 const char *_ins_pipe; // Instruction Scheduling description class |
| 0 | 109 |
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110 uint *_uniq_idx; // Indexes of unique operands |
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111 uint _uniq_idx_length; // Length of _uniq_idx array |
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112 uint _num_uniq; // Number of unique operands |
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113 ComponentList _components; // List of Components matches MachNode's |
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114 // operand structure |
| 0 | 115 |
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116 bool _has_call; // contain a call and caller save registers should be saved? |
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117 |
| 0 | 118 // Public Methods |
| 119 InstructForm(const char *id, bool ideal_only = false); | |
| 120 InstructForm(const char *id, InstructForm *instr, MatchRule *rule); | |
| 121 ~InstructForm(); | |
| 122 | |
| 123 // Dynamic type check | |
| 124 virtual InstructForm *is_instruction() const; | |
| 125 | |
| 126 virtual bool ideal_only() const; | |
| 127 | |
| 128 // This instruction sets a result | |
| 129 virtual bool sets_result() const; | |
| 130 // This instruction needs projections for additional DEFs or KILLs | |
| 131 virtual bool needs_projections(); | |
| 132 // This instruction needs extra nodes for temporary inputs | |
| 133 virtual bool has_temps(); | |
| 134 // This instruction defines or kills more than one object | |
| 135 virtual uint num_defs_or_kills(); | |
| 136 // This instruction has an expand rule? | |
| 137 virtual bool expands() const ; | |
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138 // This instruction has a late expand rule? |
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139 virtual bool postalloc_expands() const; |
| 0 | 140 // Return this instruction's first peephole rule, or NULL |
| 141 virtual Peephole *peepholes() const; | |
| 142 // Add a peephole rule to this instruction | |
| 143 virtual void append_peephole(Peephole *peep); | |
| 144 | |
| 145 virtual bool is_pinned(FormDict &globals); // should be pinned inside block | |
| 146 virtual bool is_projection(FormDict &globals); // node requires projection | |
| 147 virtual bool is_parm(FormDict &globals); // node matches ideal 'Parm' | |
| 148 // ideal opcode enumeration | |
| 149 virtual const char *ideal_Opcode(FormDict &globals) const; | |
| 150 virtual int is_expensive() const; // node matches ideal 'CosD' | |
| 151 virtual int is_empty_encoding() const; // _size=0 and/or _insencode empty | |
| 152 virtual int is_tls_instruction() const; // tlsLoadP rule or ideal ThreadLocal | |
| 153 virtual int is_ideal_copy() const; // node matches ideal 'Copy*' | |
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154 virtual bool is_ideal_negD() const; // node matches ideal 'NegD' |
| 0 | 155 virtual bool is_ideal_if() const; // node matches ideal 'If' |
| 156 virtual bool is_ideal_fastlock() const; // node matches 'FastLock' | |
| 157 virtual bool is_ideal_membar() const; // node matches ideal 'MemBarXXX' | |
| 158 virtual bool is_ideal_loadPC() const; // node matches ideal 'LoadPC' | |
| 159 virtual bool is_ideal_box() const; // node matches ideal 'Box' | |
| 160 virtual bool is_ideal_goto() const; // node matches ideal 'Goto' | |
| 161 virtual bool is_ideal_branch() const; // "" 'If' | 'Goto' | 'LoopEnd' | 'Jump' | |
| 162 virtual bool is_ideal_jump() const; // node matches ideal 'Jump' | |
| 163 virtual bool is_ideal_return() const; // node matches ideal 'Return' | |
| 164 virtual bool is_ideal_halt() const; // node matches ideal 'Halt' | |
| 165 virtual bool is_ideal_safepoint() const; // node matches 'SafePoint' | |
| 166 virtual bool is_ideal_nop() const; // node matches 'Nop' | |
| 167 virtual bool is_ideal_control() const; // control node | |
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168 virtual bool is_vector() const; // vector instruction |
| 0 | 169 |
| 170 virtual Form::CallType is_ideal_call() const; // matches ideal 'Call' | |
| 171 virtual Form::DataType is_ideal_load() const; // node matches ideal 'LoadXNode' | |
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172 // Should antidep checks be disabled for this Instruct |
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173 // See definition of MatchRule::skip_antidep_check |
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174 bool skip_antidep_check() const; |
| 0 | 175 virtual Form::DataType is_ideal_store() const;// node matches ideal 'StoreXNode' |
| 176 bool is_ideal_mem() const { return is_ideal_load() != Form::none || is_ideal_store() != Form::none; } | |
| 177 virtual uint two_address(FormDict &globals); // output reg must match input reg | |
| 178 // when chaining a constant to an instruction, return 'true' and set opType | |
| 179 virtual Form::DataType is_chain_of_constant(FormDict &globals); | |
| 180 virtual Form::DataType is_chain_of_constant(FormDict &globals, const char * &opType); | |
| 181 virtual Form::DataType is_chain_of_constant(FormDict &globals, const char * &opType, const char * &result_type); | |
| 182 | |
| 183 // Check if a simple chain rule | |
| 184 virtual bool is_simple_chain_rule(FormDict &globals) const; | |
| 185 | |
| 186 // check for structural rematerialization | |
| 187 virtual bool rematerialize(FormDict &globals, RegisterForm *registers); | |
| 188 | |
| 189 // loads from memory, so must check for anti-dependence | |
| 190 virtual bool needs_anti_dependence_check(FormDict &globals) const; | |
| 191 virtual int memory_operand(FormDict &globals) const; | |
| 192 bool is_wide_memory_kill(FormDict &globals) const; | |
| 193 | |
| 194 enum memory_operand_type { | |
| 195 NO_MEMORY_OPERAND = -1, | |
| 196 MANY_MEMORY_OPERANDS = 999999 | |
| 197 }; | |
| 198 | |
| 199 | |
| 200 // This instruction captures the machine-independent bottom_type | |
| 201 // Expected use is for pointer vs oop determination for LoadP | |
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202 virtual bool captures_bottom_type(FormDict& globals) const; |
| 0 | 203 |
| 204 virtual const char *cost(); // Access ins_cost attribute | |
| 205 virtual uint num_opnds(); // Count of num_opnds for MachNode class | |
| 6850 | 206 // Counts USE_DEF opnds twice. See also num_unique_opnds(). |
| 0 | 207 virtual uint num_post_match_opnds(); |
| 208 virtual uint num_consts(FormDict &globals) const;// Constants in match rule | |
| 209 // Constants in match rule with specified type | |
| 210 virtual uint num_consts(FormDict &globals, Form::DataType type) const; | |
| 211 | |
| 212 // Return the register class associated with 'leaf'. | |
| 213 virtual const char *out_reg_class(FormDict &globals); | |
| 214 | |
| 215 // number of ideal node inputs to skip | |
| 216 virtual uint oper_input_base(FormDict &globals); | |
| 217 | |
| 218 // Does this instruction need a base-oop edge? | |
| 219 int needs_base_oop_edge(FormDict &globals) const; | |
| 220 | |
| 221 // Build instruction predicates. If the user uses the same operand name | |
| 222 // twice, we need to check that the operands are pointer-eequivalent in | |
| 223 // the DFA during the labeling process. | |
| 224 Predicate *build_predicate(); | |
| 225 | |
| 226 virtual void build_components(); // top-level operands | |
| 227 // Return zero-based position in component list; -1 if not in list. | |
| 228 virtual int operand_position(const char *name, int usedef); | |
| 229 virtual int operand_position_format(const char *name); | |
| 230 | |
| 231 // Return zero-based position in component list; -1 if not in list. | |
| 232 virtual int label_position(); | |
| 233 virtual int method_position(); | |
| 234 // Return number of relocation entries needed for this instruction. | |
| 235 virtual uint reloc(FormDict &globals); | |
| 236 | |
| 6850 | 237 const char *opnd_ident(int idx); // Name of operand #idx. |
| 0 | 238 const char *reduce_result(); |
| 239 // Return the name of the operand on the right hand side of the binary match | |
| 240 // Return NULL if there is no right hand side | |
| 241 const char *reduce_right(FormDict &globals) const; | |
| 242 const char *reduce_left(FormDict &globals) const; | |
| 243 | |
| 244 // Base class for this instruction, MachNode except for calls | |
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245 virtual const char *mach_base_class(FormDict &globals) const; |
| 0 | 246 |
| 247 // Check if this instruction can cisc-spill to 'alternate' | |
| 248 bool cisc_spills_to(ArchDesc &AD, InstructForm *alternate); | |
| 249 InstructForm *cisc_spill_alternate() { return _cisc_spill_alternate; } | |
| 6850 | 250 int cisc_spill_operand() const { return _cisc_spill_operand; } |
| 0 | 251 bool is_cisc_alternate() const { return _is_cisc_alternate; } |
| 252 void set_cisc_alternate(bool val) { _is_cisc_alternate = val; } | |
| 253 const char *cisc_reg_mask_name() const { return _cisc_reg_mask_name; } | |
| 254 void set_cisc_reg_mask_name(const char *rm_name) { _cisc_reg_mask_name = rm_name; } | |
| 255 // Output cisc-method prototypes and method bodies | |
| 256 void declare_cisc_version(ArchDesc &AD, FILE *fp_cpp); | |
| 257 bool define_cisc_version (ArchDesc &AD, FILE *fp_cpp); | |
| 258 | |
| 259 bool check_branch_variant(ArchDesc &AD, InstructForm *short_branch); | |
| 260 | |
| 261 bool is_short_branch() { return _is_short_branch; } | |
| 262 void set_short_branch(bool val) { _is_short_branch = val; } | |
| 263 | |
| 2008 | 264 bool is_mach_constant() const { return _is_mach_constant; } |
| 265 void set_is_mach_constant(bool x) { _is_mach_constant = x; } | |
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266 bool needs_constant_base() const { return _needs_constant_base; } |
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267 void set_needs_constant_base(bool x) { _needs_constant_base = x; } |
| 2008 | 268 |
| 0 | 269 InstructForm *short_branch_form() { return _short_branch_form; } |
| 270 bool has_short_branch_form() { return _short_branch_form != NULL; } | |
| 271 // Output short branch prototypes and method bodies | |
| 272 void declare_short_branch_methods(FILE *fp_cpp); | |
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273 bool define_short_branch_methods(ArchDesc &AD, FILE *fp_cpp); |
| 0 | 274 |
| 275 uint alignment() { return _alignment; } | |
| 276 void set_alignment(uint val) { _alignment = val; } | |
| 277 | |
| 278 // Seach through operands to determine operands unique positions. | |
| 279 void set_unique_opnds(); | |
| 280 uint num_unique_opnds() { return _num_uniq; } | |
| 281 uint unique_opnds_idx(int idx) { | |
| 10389 | 282 if (_uniq_idx != NULL && idx > 0) { |
| 283 assert((uint)idx < _uniq_idx_length, "out of bounds"); | |
| 284 return _uniq_idx[idx]; | |
| 285 } else { | |
| 286 return idx; | |
| 287 } | |
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288 } |
| 10389 | 289 const char *unique_opnd_ident(uint idx); // Name of operand at unique idx. |
| 0 | 290 |
| 291 // Operands which are only KILLs aren't part of the input array and | |
| 292 // require special handling in some cases. Their position in this | |
| 293 // operand list is higher than the number of unique operands. | |
| 294 bool is_noninput_operand(uint idx) { | |
| 295 return (idx >= num_unique_opnds()); | |
| 296 } | |
| 297 | |
| 298 // --------------------------- FILE *output_routines | |
| 299 // | |
| 300 // Generate the format call for the replacement variable | |
| 301 void rep_var_format(FILE *fp, const char *rep_var); | |
| 605 | 302 // Generate index values needed for determining the operand position |
| 0 | 303 void index_temps (FILE *fp, FormDict &globals, const char *prefix = "", const char *receiver = ""); |
| 304 // --------------------------- | |
| 305 | |
| 306 virtual bool verify(); // Check consistency after parsing | |
| 307 | |
| 308 virtual void dump(); // Debug printer | |
| 309 virtual void output(FILE *fp); // Write to output files | |
| 310 }; | |
| 311 | |
| 312 //------------------------------EncodeForm------------------------------------- | |
| 313 class EncodeForm : public Form { | |
| 314 private: | |
| 315 | |
| 316 public: | |
| 317 // Public Data | |
| 318 NameList _eclasses; // List of encode class names | |
| 319 Dict _encClass; // Map encode class names to EncClass objects | |
| 320 | |
| 321 // Public Methods | |
| 322 EncodeForm(); | |
| 323 ~EncodeForm(); | |
| 324 | |
| 325 EncClass *add_EncClass(const char *className); | |
| 326 EncClass *encClass(const char *className); | |
| 327 | |
| 328 const char *encClassPrototype(const char *className); | |
| 329 const char *encClassBody(const char *className); | |
| 330 | |
| 331 void dump(); // Debug printer | |
| 332 void output(FILE *fp); // Write info to output files | |
| 333 }; | |
| 334 | |
| 335 //------------------------------EncClass--------------------------------------- | |
| 336 class EncClass : public Form { | |
| 337 public: | |
| 338 // NameList for parameter type and name | |
| 339 NameList _parameter_type; | |
| 340 NameList _parameter_name; | |
| 341 | |
| 342 // Breakdown the encoding into strings separated by $replacement_variables | |
| 343 // There is an entry in _strings, perhaps NULL, that precedes each _rep_vars | |
| 344 NameList _code; // Strings passed through to tty->print | |
| 345 NameList _rep_vars; // replacement variables | |
| 346 | |
| 347 NameList _parameters; // Locally defined names | |
| 348 FormDict _localNames; // Table of components & their types | |
| 349 | |
| 350 public: | |
| 351 // Public Data | |
| 352 const char *_name; // encoding class name | |
| 353 | |
| 354 // Public Methods | |
| 355 EncClass(const char *name); | |
| 356 ~EncClass(); | |
| 357 | |
| 358 // --------------------------- Parameters | |
| 359 // Add a parameter <type,name> pair | |
| 360 void add_parameter(const char *parameter_type, const char *parameter_name); | |
| 361 // Verify operand types in parameter list | |
| 362 bool check_parameter_types(FormDict &globals); | |
| 363 // Obtain the zero-based index corresponding to a replacement variable | |
| 364 int rep_var_index(const char *rep_var); | |
| 365 int num_args() { return _parameter_name.count(); } | |
| 366 | |
| 367 // --------------------------- Code Block | |
| 368 // Add code | |
| 605 | 369 void add_code(const char *string_preceding_replacement_var); |
| 0 | 370 // Add a replacement variable or one of its subfields |
| 371 // Subfields are stored with a leading '$' | |
| 372 void add_rep_var(char *replacement_var); | |
| 373 | |
| 374 bool verify(); | |
| 375 void dump(); | |
| 376 void output(FILE *fp); | |
| 377 }; | |
| 378 | |
| 379 //------------------------------MachNode--------------------------------------- | |
| 380 class MachNodeForm: public Form { | |
| 381 private: | |
| 382 | |
| 383 public: | |
| 384 char *_ident; // Name of this instruction | |
| 385 const char *_machnode_pipe; // Instruction Scheduline description class | |
| 386 | |
| 387 // Public Methods | |
| 388 MachNodeForm(char *id); | |
| 389 ~MachNodeForm(); | |
| 390 | |
| 391 virtual MachNodeForm *is_machnode() const; | |
| 392 | |
| 393 void dump(); // Debug printer | |
| 394 void output(FILE *fp); // Write info to output files | |
| 395 }; | |
| 396 | |
| 397 //------------------------------Opcode----------------------------------------- | |
| 398 class Opcode : public Form { | |
| 399 private: | |
| 400 | |
| 401 public: | |
| 402 // Public Data | |
| 403 // Strings representing instruction opcodes, user defines placement in emit | |
| 404 char *_primary; | |
| 405 char *_secondary; | |
| 406 char *_tertiary; | |
| 407 | |
| 408 enum opcode_type { | |
| 409 NOT_AN_OPCODE = -1, | |
| 410 PRIMARY = 1, | |
| 411 SECONDARY = 2, | |
| 412 TERTIARY = 3 | |
| 413 }; | |
| 414 | |
| 415 // Public Methods | |
| 416 Opcode(char *primary, char *secondary, char *tertiary); | |
| 417 ~Opcode(); | |
| 418 | |
| 419 static Opcode::opcode_type as_opcode_type(const char *designator); | |
| 420 | |
| 421 void dump(); | |
| 422 void output(FILE *fp); | |
| 423 | |
| 424 // --------------------------- FILE *output_routines | |
|
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425 bool print_opcode(FILE *fp, Opcode::opcode_type desired_opcode); |
| 0 | 426 }; |
| 427 | |
| 428 //------------------------------InsEncode-------------------------------------- | |
| 429 class InsEncode : public Form { | |
| 430 private: | |
| 431 // Public Data (access directly only for reads) | |
| 432 // The encodings can only have the values predefined by the ADLC: | |
| 433 // blank, RegReg, RegMem, MemReg, ... | |
| 434 NameList _encoding; | |
| 435 // NameList _parameter; | |
| 436 // The parameters for each encoding are preceeded by a NameList::_signal | |
| 437 // and follow the parameters for the previous encoding. | |
| 438 | |
| 439 // char *_encode; // Type of instruction encoding | |
| 440 | |
| 441 public: | |
| 442 // Public Methods | |
| 443 InsEncode(); | |
| 444 ~InsEncode(); | |
| 445 | |
| 446 // Add "encode class name" and its parameters | |
| 447 NameAndList *add_encode(char *encode_method_name); | |
| 448 // Parameters are added to the returned "NameAndList" by the parser | |
| 449 | |
| 450 // Access the list of encodings | |
| 451 void reset(); | |
| 452 const char *encode_class_iter(); | |
| 453 | |
| 454 // Returns the number of arguments to the current encoding in the iteration | |
| 455 int current_encoding_num_args() { | |
| 456 return ((NameAndList*)_encoding.current())->count(); | |
| 457 } | |
| 458 | |
| 459 // --------------------------- Parameters | |
| 460 // The following call depends upon position within encode_class_iteration | |
| 461 // | |
| 462 // Obtain parameter name from zero based index | |
| 463 const char *rep_var_name(InstructForm &inst, uint param_no); | |
| 464 // --------------------------- | |
| 465 | |
| 466 void dump(); | |
| 467 void output(FILE *fp); | |
| 468 }; | |
| 469 | |
| 470 //------------------------------Effect----------------------------------------- | |
| 471 class Effect : public Form { | |
| 472 private: | |
| 473 | |
| 474 public: | |
| 475 // Public Data | |
| 476 const char *_name; // Pre-defined name for effect | |
| 477 int _use_def; // Enumeration value of effect | |
| 478 | |
| 479 // Public Methods | |
| 480 Effect(const char *name); // Constructor | |
| 481 ~Effect(); // Destructor | |
| 482 | |
| 483 // Dynamic type check | |
| 484 virtual Effect *is_effect() const; | |
| 485 | |
| 486 // Return 'true' if this use def info equals the parameter | |
| 487 bool is(int use_def_kill_enum) const; | |
| 488 // Return 'true' if this use def info is a superset of parameter | |
| 489 bool isa(int use_def_kill_enum) const; | |
| 490 | |
| 491 void dump(); // Debug printer | |
| 492 void output(FILE *fp); // Write info to output files | |
| 493 }; | |
| 494 | |
| 495 //------------------------------ExpandRule------------------------------------- | |
| 496 class ExpandRule : public Form { | |
| 497 private: | |
| 498 NameList _expand_instrs; // ordered list of instructions and operands | |
| 499 | |
| 500 public: | |
| 501 // Public Data | |
| 502 NameList _newopers; // List of newly created operands | |
| 503 Dict _newopconst; // Map new operands to their constructors | |
| 504 | |
| 505 void add_instruction(NameAndList *instruction_name_and_operand_list); | |
| 506 void reset_instructions(); | |
| 507 NameAndList *iter_instructions(); | |
| 508 | |
| 509 // Public Methods | |
| 510 ExpandRule(); // Constructor | |
| 511 ~ExpandRule(); // Destructor | |
| 512 | |
| 513 void dump(); // Debug printer | |
| 514 void output(FILE *fp); // Write info to output files | |
| 515 }; | |
| 516 | |
| 517 //------------------------------RewriteRule------------------------------------ | |
| 518 class RewriteRule : public Form { | |
| 519 private: | |
| 520 | |
| 521 public: | |
| 522 // Public Data | |
| 523 SourceForm *_condition; // Rewrite condition code | |
| 524 InstructForm *_instrs; // List of instructions to expand to | |
| 525 OperandForm *_opers; // List of operands generated by expand | |
| 526 char *_tempParams; // Hold string until parser is finished. | |
| 527 char *_tempBlock; // Hold string until parser is finished. | |
| 528 | |
| 529 // Public Methods | |
| 530 RewriteRule(char* params, char* block) ; | |
| 531 ~RewriteRule(); // Destructor | |
| 532 void dump(); // Debug printer | |
| 533 void output(FILE *fp); // Write info to output files | |
| 534 }; | |
| 535 | |
| 536 | |
| 537 //==============================Operands======================================= | |
| 538 //------------------------------OpClassForm------------------------------------ | |
| 539 class OpClassForm : public Form { | |
| 540 public: | |
| 541 // Public Data | |
| 542 const char *_ident; // Name of this operand | |
| 543 NameList _oplst; // List of operand forms included in class | |
| 544 | |
| 545 // Public Methods | |
| 546 OpClassForm(const char *id); | |
| 547 ~OpClassForm(); | |
| 548 | |
| 549 // dynamic type check | |
| 550 virtual OpClassForm *is_opclass() const; | |
| 551 virtual Form::InterfaceType interface_type(FormDict &globals) const; | |
| 552 virtual bool stack_slots_only(FormDict &globals) const; | |
| 553 | |
| 554 virtual bool is_cisc_mem(FormDict &globals) const; | |
| 555 | |
| 556 | |
| 557 // Min and Max opcodes of operands in this operand class | |
| 558 int _minCode; | |
| 559 int _maxCode; | |
| 560 | |
| 561 virtual bool ideal_only() const; | |
| 562 virtual void dump(); // Debug printer | |
| 563 virtual void output(FILE *fp); // Write to output files | |
| 564 }; | |
| 565 | |
| 566 //------------------------------OperandForm------------------------------------ | |
| 567 class OperandForm : public OpClassForm { | |
| 568 private: | |
| 569 bool _ideal_only; // Not a user-defined instruction | |
| 570 | |
| 571 public: | |
| 572 // Public Data | |
| 573 NameList _parameters; // Locally defined names | |
| 574 FormDict _localNames; // Table of components & their types | |
| 575 MatchRule *_matrule; // Matching rule for this operand | |
| 576 Interface *_interface; // Encoding interface for this operand | |
| 577 Attribute *_attribs; // List of Attribute rules | |
| 578 Predicate *_predicate; // Predicate test for this operand | |
| 579 Constraint *_constraint; // Constraint Rule for this operand | |
| 580 ConstructRule *_construct; // Construction of operand data after matching | |
| 581 FormatRule *_format; // Format for assembly generation | |
| 582 NameList _classes; // List of opclasses which contain this oper | |
| 583 | |
| 584 ComponentList _components; // | |
| 585 | |
| 586 // Public Methods | |
| 587 OperandForm(const char *id); | |
| 588 OperandForm(const char *id, bool ideal_only); | |
| 589 ~OperandForm(); | |
| 590 | |
| 591 // Dynamic type check | |
| 592 virtual OperandForm *is_operand() const; | |
| 593 | |
| 594 virtual bool ideal_only() const; | |
| 595 virtual Form::InterfaceType interface_type(FormDict &globals) const; | |
| 596 virtual bool stack_slots_only(FormDict &globals) const; | |
| 597 | |
| 598 virtual const char *cost(); // Access ins_cost attribute | |
| 599 virtual uint num_leaves() const;// Leaves in complex operand | |
| 600 // Constants in operands' match rules | |
| 601 virtual uint num_consts(FormDict &globals) const; | |
| 602 // Constants in operand's match rule with specified type | |
| 603 virtual uint num_consts(FormDict &globals, Form::DataType type) const; | |
| 604 // Pointer Constants in operands' match rules | |
| 605 virtual uint num_const_ptrs(FormDict &globals) const; | |
| 606 // The number of input edges in the machine world == num_leaves - num_consts | |
| 607 virtual uint num_edges(FormDict &globals) const; | |
| 608 | |
| 609 // Check if this operand is usable for cisc-spilling | |
| 610 virtual bool is_cisc_reg(FormDict &globals) const; | |
| 611 | |
| 612 // node matches ideal 'Bool', grab condition codes from the ideal world | |
| 613 virtual bool is_ideal_bool() const; | |
| 614 | |
| 615 // Has an integer constant suitable for spill offsets | |
| 616 bool has_conI(FormDict &globals) const { | |
| 617 return (num_consts(globals,idealI) == 1) && !is_ideal_bool(); } | |
| 618 bool has_conL(FormDict &globals) const { | |
| 619 return (num_consts(globals,idealL) == 1) && !is_ideal_bool(); } | |
| 620 | |
| 621 // Node is user-defined operand for an sRegX | |
| 622 virtual Form::DataType is_user_name_for_sReg() const; | |
| 623 | |
| 624 // Return ideal type, if there is a single ideal type for this operand | |
| 625 virtual const char *ideal_type(FormDict &globals, RegisterForm *registers = NULL) const; | |
| 626 // If there is a single ideal type for this interface field, return it. | |
| 627 virtual const char *interface_ideal_type(FormDict &globals, | |
| 628 const char *field_name) const; | |
| 629 | |
| 630 // Return true if this operand represents a bound register class | |
| 631 bool is_bound_register() const; | |
| 632 | |
| 633 // Return the Register class for this operand. Returns NULL if | |
| 634 // operand isn't a register form. | |
| 635 RegClass* get_RegClass() const; | |
| 636 | |
| 637 virtual bool is_interface_field(const char *field_name, | |
| 638 const char * &value) const; | |
| 639 | |
| 640 // If this operand has a single ideal type, return its type | |
| 641 virtual Form::DataType simple_type(FormDict &globals) const; | |
| 642 // If this operand is an ideal constant, return its type | |
| 643 virtual Form::DataType is_base_constant(FormDict &globals) const; | |
| 644 | |
| 645 // "true" if this operand is a simple type that is swallowed | |
| 646 virtual bool swallowed(FormDict &globals) const; | |
| 647 | |
| 648 // Return register class name if a constraint specifies the register class. | |
| 649 virtual const char *constrained_reg_class() const; | |
| 650 // Return the register class associated with 'leaf'. | |
| 651 virtual const char *in_reg_class(uint leaf, FormDict &globals); | |
| 652 | |
| 653 // Build component list from MatchRule and operand's parameter list | |
| 654 virtual void build_components(); // top-level operands | |
| 655 | |
| 656 // Return zero-based position in component list; -1 if not in list. | |
| 657 virtual int operand_position(const char *name, int usedef); | |
| 658 | |
| 659 // Return zero-based position in component list; -1 if not in list. | |
| 660 virtual int constant_position(FormDict &globals, const Component *comp); | |
| 661 virtual int constant_position(FormDict &globals, const char *local_name); | |
| 662 // Return the operand form corresponding to the given index, else NULL. | |
| 663 virtual OperandForm *constant_operand(FormDict &globals, uint const_index); | |
| 664 | |
| 665 // Return zero-based position in component list; -1 if not in list. | |
| 666 virtual int register_position(FormDict &globals, const char *regname); | |
| 667 | |
| 668 const char *reduce_result() const; | |
| 669 // Return the name of the operand on the right hand side of the binary match | |
| 670 // Return NULL if there is no right hand side | |
| 671 const char *reduce_right(FormDict &globals) const; | |
| 672 const char *reduce_left(FormDict &globals) const; | |
| 673 | |
| 674 | |
| 675 // --------------------------- FILE *output_routines | |
| 676 // | |
| 677 // Output code for disp_is_oop, if true. | |
| 678 void disp_is_oop(FILE *fp, FormDict &globals); | |
| 679 // Generate code for internal and external format methods | |
| 680 void int_format(FILE *fp, FormDict &globals, uint index); | |
| 681 void ext_format(FILE *fp, FormDict &globals, uint index); | |
| 682 void format_constant(FILE *fp, uint con_index, uint con_type); | |
| 683 // Output code to access the value of the index'th constant | |
| 684 void access_constant(FILE *fp, FormDict &globals, | |
| 685 uint con_index); | |
| 686 // --------------------------- | |
| 687 | |
| 688 | |
| 689 virtual void dump(); // Debug printer | |
| 690 virtual void output(FILE *fp); // Write to output files | |
| 691 }; | |
| 692 | |
| 693 //------------------------------Constraint------------------------------------- | |
| 694 class Constraint : public Form { | |
| 695 private: | |
| 696 | |
| 697 public: | |
| 698 const char *_func; // Constraint function | |
| 699 const char *_arg; // function's argument | |
| 700 | |
| 701 // Public Methods | |
| 702 Constraint(const char *func, const char *arg); // Constructor | |
| 703 ~Constraint(); | |
| 704 | |
| 705 bool stack_slots_only() const; | |
| 706 | |
| 707 void dump(); // Debug printer | |
| 708 void output(FILE *fp); // Write info to output files | |
| 709 }; | |
| 710 | |
| 711 //------------------------------Predicate-------------------------------------- | |
| 712 class Predicate : public Form { | |
| 713 private: | |
| 714 | |
| 715 public: | |
| 716 // Public Data | |
| 717 char *_pred; // C++ source string for predicate | |
| 718 | |
| 719 // Public Methods | |
| 720 Predicate(char *pr); | |
| 721 ~Predicate(); | |
| 722 | |
| 723 void dump(); | |
| 724 void output(FILE *fp); | |
| 725 }; | |
| 726 | |
| 727 //------------------------------Interface-------------------------------------- | |
| 728 class Interface : public Form { | |
| 729 private: | |
| 730 | |
| 731 public: | |
| 732 // Public Data | |
| 733 const char *_name; // String representing the interface name | |
| 734 | |
| 735 // Public Methods | |
| 736 Interface(const char *name); | |
| 737 ~Interface(); | |
| 738 | |
| 739 virtual Form::InterfaceType interface_type(FormDict &globals) const; | |
| 740 | |
| 741 RegInterface *is_RegInterface(); | |
| 742 MemInterface *is_MemInterface(); | |
| 743 ConstInterface *is_ConstInterface(); | |
| 744 CondInterface *is_CondInterface(); | |
| 745 | |
| 746 | |
| 747 void dump(); | |
| 748 void output(FILE *fp); | |
| 749 }; | |
| 750 | |
| 751 //------------------------------RegInterface----------------------------------- | |
| 752 class RegInterface : public Interface { | |
| 753 private: | |
| 754 | |
| 755 public: | |
| 756 // Public Methods | |
| 757 RegInterface(); | |
| 758 ~RegInterface(); | |
| 759 | |
| 760 void dump(); | |
| 761 void output(FILE *fp); | |
| 762 }; | |
| 763 | |
| 764 //------------------------------ConstInterface--------------------------------- | |
| 765 class ConstInterface : public Interface { | |
| 766 private: | |
| 767 | |
| 768 public: | |
| 769 // Public Methods | |
| 770 ConstInterface(); | |
| 771 ~ConstInterface(); | |
| 772 | |
| 773 void dump(); | |
| 774 void output(FILE *fp); | |
| 775 }; | |
| 776 | |
| 777 //------------------------------MemInterface----------------------------------- | |
| 778 class MemInterface : public Interface { | |
| 779 private: | |
| 780 | |
| 781 public: | |
| 782 // Public Data | |
| 783 char *_base; // Base address | |
| 784 char *_index; // index | |
| 785 char *_scale; // scaling factor | |
| 786 char *_disp; // displacement | |
| 787 | |
| 788 // Public Methods | |
| 789 MemInterface(char *base, char *index, char *scale, char *disp); | |
| 790 ~MemInterface(); | |
| 791 | |
| 792 void dump(); | |
| 793 void output(FILE *fp); | |
| 794 }; | |
| 795 | |
| 796 //------------------------------CondInterface---------------------------------- | |
| 797 class CondInterface : public Interface { | |
| 798 private: | |
| 799 | |
| 800 public: | |
| 801 const char *_equal; | |
| 802 const char *_not_equal; | |
| 803 const char *_less; | |
| 804 const char *_greater_equal; | |
| 805 const char *_less_equal; | |
| 806 const char *_greater; | |
| 12323 | 807 const char *_overflow; |
| 808 const char *_no_overflow; | |
|
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809 const char *_equal_format; |
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810 const char *_not_equal_format; |
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811 const char *_less_format; |
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812 const char *_greater_equal_format; |
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813 const char *_less_equal_format; |
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814 const char *_greater_format; |
| 12323 | 815 const char *_overflow_format; |
| 816 const char *_no_overflow_format; | |
| 0 | 817 |
| 818 // Public Methods | |
|
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819 CondInterface(const char* equal, const char* equal_format, |
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820 const char* not_equal, const char* not_equal_format, |
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821 const char* less, const char* less_format, |
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822 const char* greater_equal, const char* greater_equal_format, |
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823 const char* less_equal, const char* less_equal_format, |
| 12323 | 824 const char* greater, const char* greater_format, |
| 825 const char* overflow, const char* overflow_format, | |
| 826 const char* no_overflow, const char* no_overflow_format); | |
| 0 | 827 ~CondInterface(); |
| 828 | |
| 829 void dump(); | |
| 830 void output(FILE *fp); | |
| 831 }; | |
| 832 | |
| 833 //------------------------------ConstructRule---------------------------------- | |
| 834 class ConstructRule : public Form { | |
| 835 private: | |
| 836 | |
| 837 public: | |
| 838 // Public Data | |
| 839 char *_expr; // String representing the match expression | |
| 840 char *_construct; // String representing C++ constructor code | |
| 841 | |
| 842 // Public Methods | |
| 843 ConstructRule(char *cnstr); | |
| 844 ~ConstructRule(); | |
| 845 | |
| 846 void dump(); | |
| 847 void output(FILE *fp); | |
| 848 }; | |
| 849 | |
| 850 | |
| 851 //==============================Shared========================================= | |
| 852 //------------------------------AttributeForm---------------------------------- | |
| 853 class AttributeForm : public Form { | |
| 854 private: | |
| 855 // counters for unique instruction or operand ID | |
| 856 static int _insId; // user-defined machine instruction types | |
| 857 static int _opId; // user-defined operand types | |
| 858 | |
| 859 int id; // hold type for this object | |
| 860 | |
| 861 public: | |
| 862 // Public Data | |
| 863 char *_attrname; // Name of attribute | |
| 864 int _atype; // Either INS_ATTR or OP_ATTR | |
| 865 char *_attrdef; // C++ source which evaluates to constant | |
| 866 | |
| 867 // Public Methods | |
| 868 AttributeForm(char *attr, int type, char *attrdef); | |
| 869 ~AttributeForm(); | |
| 870 | |
| 871 // Dynamic type check | |
| 872 virtual AttributeForm *is_attribute() const; | |
| 873 | |
| 874 int type() { return id;} // return this object's "id" | |
| 875 | |
| 876 static const char* _ins_cost; // "ins_cost" | |
| 877 static const char* _op_cost; // "op_cost" | |
| 878 | |
| 879 void dump(); // Debug printer | |
| 880 void output(FILE *fp); // Write output files | |
| 881 }; | |
| 882 | |
| 883 //------------------------------Component-------------------------------------- | |
| 884 class Component : public Form { | |
| 885 private: | |
| 886 | |
| 887 public: | |
| 888 // Public Data | |
| 889 const char *_name; // Name of this component | |
| 890 const char *_type; // Type of this component | |
| 891 int _usedef; // Value of component | |
| 892 | |
| 893 // Public Methods | |
| 894 Component(const char *name, const char *type, int usedef); | |
| 895 ~Component(); | |
| 896 | |
| 897 | |
| 898 // Return 'true' if this use def info equals the parameter | |
| 899 bool is(int use_def_kill_enum) const; | |
| 900 // Return 'true' if this use def info is a superset of parameter | |
| 901 bool isa(int use_def_kill_enum) const; | |
| 902 int promote_use_def_info(int new_use_def); | |
| 903 const char *base_type(FormDict &globals); | |
| 904 // Form::DataType is_base_constant(FormDict &globals); | |
| 905 | |
| 906 void dump(); // Debug printer | |
| 907 void output(FILE *fp); // Write to output files | |
| 6850 | 908 const char* getUsedefName(); |
| 0 | 909 |
| 910 public: | |
| 911 // Implementation depends upon working bit intersection and union. | |
| 912 enum use_def_enum { | |
| 913 INVALID = 0x0, | |
| 914 USE = 0x1, | |
| 915 DEF = 0x2, USE_DEF = 0x3, | |
| 916 KILL = 0x4, USE_KILL = 0x5, | |
| 917 SYNTHETIC = 0x8, | |
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918 TEMP = USE | SYNTHETIC, |
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919 CALL = 0x10 |
| 0 | 920 }; |
| 921 }; | |
| 922 | |
| 923 | |
| 924 //------------------------------MatchNode-------------------------------------- | |
| 925 class MatchNode : public Form { | |
| 926 private: | |
| 927 | |
| 928 public: | |
| 929 // Public Data | |
| 930 const char *_result; // The name of the output of this node | |
| 931 const char *_name; // The name that appeared in the match rule | |
| 932 const char *_opType; // The Operation/Type matched | |
| 933 MatchNode *_lChild; // Left child in expression tree | |
| 934 MatchNode *_rChild; // Right child in expression tree | |
| 935 int _numleaves; // Sum of numleaves for all direct children | |
| 936 ArchDesc &_AD; // Reference to ArchDesc object | |
| 937 char *_internalop; // String representing internal operand | |
| 938 int _commutative_id; // id of commutative operation | |
| 939 | |
| 940 // Public Methods | |
| 941 MatchNode(ArchDesc &ad, const char *result = 0, const char *expr = 0, | |
| 942 const char *opType=0, MatchNode *lChild=NULL, | |
| 943 MatchNode *rChild=NULL); | |
| 944 MatchNode(ArchDesc &ad, MatchNode& mNode); // Shallow copy constructor; | |
| 945 MatchNode(ArchDesc &ad, MatchNode& mNode, int clone); // Construct clone | |
| 946 ~MatchNode(); | |
| 947 | |
| 948 // return 0 if not found: | |
| 949 // return 1 if found and position is incremented by operand offset in rule | |
| 950 bool find_name(const char *str, int &position) const; | |
| 951 bool find_type(const char *str, int &position) const; | |
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952 virtual void append_components(FormDict& locals, ComponentList& components, |
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953 bool def_flag = false) const; |
| 0 | 954 bool base_operand(uint &position, FormDict &globals, |
| 955 const char * &result, const char * &name, | |
| 956 const char * &opType) const; | |
| 957 // recursive count on operands | |
| 958 uint num_consts(FormDict &globals) const; | |
| 959 uint num_const_ptrs(FormDict &globals) const; | |
| 960 // recursive count of constants with specified type | |
| 961 uint num_consts(FormDict &globals, Form::DataType type) const; | |
| 962 // uint num_consts() const; // Local inspection only | |
| 963 int needs_ideal_memory_edge(FormDict &globals) const; | |
| 964 int needs_base_oop_edge() const; | |
| 965 | |
| 966 // Help build instruction predicates. Search for operand names. | |
| 967 void count_instr_names( Dict &names ); | |
| 968 int build_instr_pred( char *buf, const char *name, int cnt ); | |
| 969 void build_internalop( ); | |
| 970 | |
| 971 // Return the name of the operands associated with reducing to this operand: | |
| 972 // The result type, plus the left and right sides of the binary match | |
| 973 // Return NULL if there is no left or right hand side | |
| 974 bool sets_result() const; // rule "Set"s result of match | |
| 975 const char *reduce_right(FormDict &globals) const; | |
| 976 const char *reduce_left (FormDict &globals) const; | |
| 977 | |
| 978 // Recursive version of check in MatchRule | |
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979 int cisc_spill_match(FormDict& globals, RegisterForm* registers, |
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980 MatchNode* mRule2, const char* &operand, |
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981 const char* ®_type); |
| 0 | 982 int cisc_spill_merge(int left_result, int right_result); |
| 983 | |
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984 virtual bool equivalent(FormDict& globals, MatchNode* mNode2); |
| 0 | 985 |
| 986 void count_commutative_op(int& count); | |
| 987 void swap_commutative_op(bool atroot, int count); | |
| 988 | |
| 989 void dump(); | |
| 990 void output(FILE *fp); | |
| 991 }; | |
| 992 | |
| 993 //------------------------------MatchRule-------------------------------------- | |
| 994 class MatchRule : public MatchNode { | |
| 995 private: | |
| 996 | |
| 997 public: | |
| 998 // Public Data | |
| 999 const char *_machType; // Machine type index | |
| 1000 int _depth; // Expression tree depth | |
| 1001 char *_construct; // String representing C++ constructor code | |
| 1002 int _numchilds; // Number of direct children | |
| 1003 MatchRule *_next; // Pointer to next match rule | |
| 1004 | |
| 1005 // Public Methods | |
| 1006 MatchRule(ArchDesc &ad); | |
| 1007 MatchRule(ArchDesc &ad, MatchRule* mRule); // Shallow copy constructor; | |
| 1008 MatchRule(ArchDesc &ad, MatchNode* mroot, int depth, char* construct, int numleaves); | |
| 1009 ~MatchRule(); | |
| 1010 | |
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1011 virtual void append_components(FormDict& locals, ComponentList& components, bool def_flag = false) const; |
| 0 | 1012 // Recursive call on all operands' match rules in my match rule. |
| 1013 bool base_operand(uint &position, FormDict &globals, | |
| 1014 const char * &result, const char * &name, | |
| 1015 const char * &opType) const; | |
| 1016 | |
| 1017 | |
| 1018 bool is_base_register(FormDict &globals) const; | |
| 1019 Form::DataType is_base_constant(FormDict &globals) const; | |
| 1020 bool is_chain_rule(FormDict &globals) const; | |
| 1021 int is_ideal_copy() const; | |
| 1022 int is_expensive() const; // node matches ideal 'CosD' | |
| 1023 bool is_ideal_if() const; // node matches ideal 'If' | |
| 1024 bool is_ideal_fastlock() const; // node matches ideal 'FastLock' | |
| 1025 bool is_ideal_jump() const; // node matches ideal 'Jump' | |
| 1026 bool is_ideal_membar() const; // node matches ideal 'MemBarXXX' | |
| 1027 bool is_ideal_loadPC() const; // node matches ideal 'LoadPC' | |
| 1028 bool is_ideal_box() const; // node matches ideal 'Box' | |
| 1029 bool is_ideal_goto() const; // node matches ideal 'Goto' | |
| 1030 bool is_ideal_loopEnd() const; // node matches ideal 'LoopEnd' | |
| 1031 bool is_ideal_bool() const; // node matches ideal 'Bool' | |
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1032 bool is_vector() const; // vector instruction |
| 0 | 1033 Form::DataType is_ideal_load() const;// node matches ideal 'LoadXNode' |
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1034 // Should antidep checks be disabled for this rule |
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1035 // See definition of MatchRule::skip_antidep_check |
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1036 bool skip_antidep_check() const; |
| 0 | 1037 Form::DataType is_ideal_store() const;// node matches ideal 'StoreXNode' |
| 1038 | |
| 1039 // Check if 'mRule2' is a cisc-spill variant of this MatchRule | |
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1040 int matchrule_cisc_spill_match(FormDict &globals, RegisterForm* registers, |
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1041 MatchRule* mRule2, const char* &operand, |
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1042 const char* ®_type); |
| 0 | 1043 |
| 1044 // Check if 'mRule2' is equivalent to this MatchRule | |
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1045 virtual bool equivalent(FormDict& globals, MatchNode* mRule2); |
| 0 | 1046 |
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1047 void matchrule_swap_commutative_op(const char* instr_ident, int count, int& match_rules_cnt); |
| 0 | 1048 |
| 1049 void dump(); | |
| 6850 | 1050 void output_short(FILE *fp); |
| 0 | 1051 void output(FILE *fp); |
| 1052 }; | |
| 1053 | |
| 1054 //------------------------------Attribute-------------------------------------- | |
| 1055 class Attribute : public Form { | |
| 1056 private: | |
| 1057 | |
| 1058 public: | |
| 1059 // Public Data | |
| 1060 char *_ident; // Name of predefined attribute | |
| 1061 char *_val; // C++ source which evaluates to constant | |
| 1062 int _atype; // Either INS_ATTR or OP_ATTR | |
| 1063 int int_val(ArchDesc &ad); // Return atoi(_val), ensuring syntax. | |
| 1064 | |
| 1065 // Public Methods | |
| 1066 Attribute(char *id, char* val, int type); | |
| 1067 ~Attribute(); | |
| 1068 | |
| 1069 void dump(); | |
| 1070 void output(FILE *fp); | |
| 1071 }; | |
| 1072 | |
| 1073 //------------------------------FormatRule------------------------------------- | |
| 1074 class FormatRule : public Form { | |
| 1075 private: | |
| 1076 | |
| 1077 public: | |
| 1078 // Public Data | |
| 1079 // There is an entry in _strings, perhaps NULL, that precedes each _rep_vars | |
| 1080 NameList _strings; // Strings passed through to tty->print | |
| 1081 NameList _rep_vars; // replacement variables | |
| 1082 char *_temp; // String representing the assembly code | |
| 1083 | |
| 1084 // Public Methods | |
| 1085 FormatRule(char *temp); | |
| 1086 ~FormatRule(); | |
| 1087 | |
| 1088 void dump(); | |
| 1089 void output(FILE *fp); | |
| 1090 }; | |
| 1972 | 1091 |
| 1092 #endif // SHARE_VM_ADLC_FORMSSEL_HPP |