Mercurial > hg > graal-jvmci-8
annotate src/share/vm/adlc/formssel.hpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
author | stefank |
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date | Tue, 23 Nov 2010 13:22:55 -0800 |
parents | c18cbe5936b8 |
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0 | 1 /* |
1972 | 2 * Copyright (c) 1998, 2010, 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: | |
77 bool _ideal_only; // Not a user-defined instruction | |
78 // Members used for tracking CISC-spilling | |
79 uint _cisc_spill_operand;// Which operand may cisc-spill | |
80 void set_cisc_spill_operand(uint op_index) { _cisc_spill_operand = op_index; } | |
81 bool _is_cisc_alternate; | |
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; | |
86 uint _alignment; | |
87 | |
88 public: | |
89 // Public Data | |
90 const char *_ident; // Name of this instruction | |
91 NameList _parameters; // Locally defined names | |
92 FormDict _localNames; // Table of operands & their types | |
93 MatchRule *_matrule; // Matching rule for this instruction | |
94 Opcode *_opcode; // Encoding of the opcode for instruction | |
95 char *_size; // Size of instruction | |
96 InsEncode *_insencode; // Encoding class instruction belongs to | |
97 Attribute *_attribs; // List of Attribute rules | |
98 Predicate *_predicate; // Predicate test for this instruction | |
99 FormDict _effects; // Dictionary of effect rules | |
100 ExpandRule *_exprule; // Expand rule for this instruction | |
101 RewriteRule *_rewrule; // Rewrite rule for this instruction | |
102 FormatRule *_format; // Format for assembly generation | |
103 Peephole *_peephole; // List of peephole rules for instruction | |
104 const char *_ins_pipe; // Instruction Scheduline description class | |
105 | |
106 uint *_uniq_idx; // Indexes of unique operands | |
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107 int _uniq_idx_length; // Length of _uniq_idx array |
0 | 108 uint _num_uniq; // Number of unique operands |
109 ComponentList _components; // List of Components matches MachNode's | |
110 // operand structure | |
111 | |
112 // Public Methods | |
113 InstructForm(const char *id, bool ideal_only = false); | |
114 InstructForm(const char *id, InstructForm *instr, MatchRule *rule); | |
115 ~InstructForm(); | |
116 | |
117 // Dynamic type check | |
118 virtual InstructForm *is_instruction() const; | |
119 | |
120 virtual bool ideal_only() const; | |
121 | |
122 // This instruction sets a result | |
123 virtual bool sets_result() const; | |
124 // This instruction needs projections for additional DEFs or KILLs | |
125 virtual bool needs_projections(); | |
126 // This instruction needs extra nodes for temporary inputs | |
127 virtual bool has_temps(); | |
128 // This instruction defines or kills more than one object | |
129 virtual uint num_defs_or_kills(); | |
130 // This instruction has an expand rule? | |
131 virtual bool expands() const ; | |
132 // Return this instruction's first peephole rule, or NULL | |
133 virtual Peephole *peepholes() const; | |
134 // Add a peephole rule to this instruction | |
135 virtual void append_peephole(Peephole *peep); | |
136 | |
137 virtual bool is_pinned(FormDict &globals); // should be pinned inside block | |
138 virtual bool is_projection(FormDict &globals); // node requires projection | |
139 virtual bool is_parm(FormDict &globals); // node matches ideal 'Parm' | |
140 // ideal opcode enumeration | |
141 virtual const char *ideal_Opcode(FormDict &globals) const; | |
142 virtual int is_expensive() const; // node matches ideal 'CosD' | |
143 virtual int is_empty_encoding() const; // _size=0 and/or _insencode empty | |
144 virtual int is_tls_instruction() const; // tlsLoadP rule or ideal ThreadLocal | |
145 virtual int is_ideal_copy() const; // node matches ideal 'Copy*' | |
146 virtual bool is_ideal_unlock() const; // node matches ideal 'Unlock' | |
147 virtual bool is_ideal_call_leaf() const; // node matches ideal 'CallLeaf' | |
148 virtual bool is_ideal_if() const; // node matches ideal 'If' | |
149 virtual bool is_ideal_fastlock() const; // node matches 'FastLock' | |
150 virtual bool is_ideal_membar() const; // node matches ideal 'MemBarXXX' | |
151 virtual bool is_ideal_loadPC() const; // node matches ideal 'LoadPC' | |
152 virtual bool is_ideal_box() const; // node matches ideal 'Box' | |
153 virtual bool is_ideal_goto() const; // node matches ideal 'Goto' | |
154 virtual bool is_ideal_branch() const; // "" 'If' | 'Goto' | 'LoopEnd' | 'Jump' | |
155 virtual bool is_ideal_jump() const; // node matches ideal 'Jump' | |
156 virtual bool is_ideal_return() const; // node matches ideal 'Return' | |
157 virtual bool is_ideal_halt() const; // node matches ideal 'Halt' | |
158 virtual bool is_ideal_safepoint() const; // node matches 'SafePoint' | |
159 virtual bool is_ideal_nop() const; // node matches 'Nop' | |
160 virtual bool is_ideal_control() const; // control node | |
161 | |
162 virtual Form::CallType is_ideal_call() const; // matches ideal 'Call' | |
163 virtual Form::DataType is_ideal_load() const; // node matches ideal 'LoadXNode' | |
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164 // Should antidep checks be disabled for this Instruct |
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165 // See definition of MatchRule::skip_antidep_check |
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166 bool skip_antidep_check() const; |
0 | 167 virtual Form::DataType is_ideal_store() const;// node matches ideal 'StoreXNode' |
168 bool is_ideal_mem() const { return is_ideal_load() != Form::none || is_ideal_store() != Form::none; } | |
169 virtual uint two_address(FormDict &globals); // output reg must match input reg | |
170 // when chaining a constant to an instruction, return 'true' and set opType | |
171 virtual Form::DataType is_chain_of_constant(FormDict &globals); | |
172 virtual Form::DataType is_chain_of_constant(FormDict &globals, const char * &opType); | |
173 virtual Form::DataType is_chain_of_constant(FormDict &globals, const char * &opType, const char * &result_type); | |
174 | |
175 // Check if a simple chain rule | |
176 virtual bool is_simple_chain_rule(FormDict &globals) const; | |
177 | |
178 // check for structural rematerialization | |
179 virtual bool rematerialize(FormDict &globals, RegisterForm *registers); | |
180 | |
181 // loads from memory, so must check for anti-dependence | |
182 virtual bool needs_anti_dependence_check(FormDict &globals) const; | |
183 virtual int memory_operand(FormDict &globals) const; | |
184 bool is_wide_memory_kill(FormDict &globals) const; | |
185 | |
186 enum memory_operand_type { | |
187 NO_MEMORY_OPERAND = -1, | |
188 MANY_MEMORY_OPERANDS = 999999 | |
189 }; | |
190 | |
191 | |
192 // This instruction captures the machine-independent bottom_type | |
193 // Expected use is for pointer vs oop determination for LoadP | |
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194 virtual bool captures_bottom_type(FormDict& globals) const; |
0 | 195 |
196 virtual const char *cost(); // Access ins_cost attribute | |
197 virtual uint num_opnds(); // Count of num_opnds for MachNode class | |
198 virtual uint num_post_match_opnds(); | |
199 virtual uint num_consts(FormDict &globals) const;// Constants in match rule | |
200 // Constants in match rule with specified type | |
201 virtual uint num_consts(FormDict &globals, Form::DataType type) const; | |
202 | |
203 // Return the register class associated with 'leaf'. | |
204 virtual const char *out_reg_class(FormDict &globals); | |
205 | |
206 // number of ideal node inputs to skip | |
207 virtual uint oper_input_base(FormDict &globals); | |
208 | |
209 // Does this instruction need a base-oop edge? | |
210 int needs_base_oop_edge(FormDict &globals) const; | |
211 | |
212 // Build instruction predicates. If the user uses the same operand name | |
213 // twice, we need to check that the operands are pointer-eequivalent in | |
214 // the DFA during the labeling process. | |
215 Predicate *build_predicate(); | |
216 | |
217 virtual void build_components(); // top-level operands | |
218 // Return zero-based position in component list; -1 if not in list. | |
219 virtual int operand_position(const char *name, int usedef); | |
220 virtual int operand_position_format(const char *name); | |
221 | |
222 // Return zero-based position in component list; -1 if not in list. | |
223 virtual int label_position(); | |
224 virtual int method_position(); | |
225 // Return number of relocation entries needed for this instruction. | |
226 virtual uint reloc(FormDict &globals); | |
227 | |
228 const char *reduce_result(); | |
229 // Return the name of the operand on the right hand side of the binary match | |
230 // Return NULL if there is no right hand side | |
231 const char *reduce_right(FormDict &globals) const; | |
232 const char *reduce_left(FormDict &globals) const; | |
233 | |
234 // Base class for this instruction, MachNode except for calls | |
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235 virtual const char *mach_base_class(FormDict &globals) const; |
0 | 236 |
237 // Check if this instruction can cisc-spill to 'alternate' | |
238 bool cisc_spills_to(ArchDesc &AD, InstructForm *alternate); | |
239 InstructForm *cisc_spill_alternate() { return _cisc_spill_alternate; } | |
240 uint cisc_spill_operand() const { return _cisc_spill_operand; } | |
241 bool is_cisc_alternate() const { return _is_cisc_alternate; } | |
242 void set_cisc_alternate(bool val) { _is_cisc_alternate = val; } | |
243 const char *cisc_reg_mask_name() const { return _cisc_reg_mask_name; } | |
244 void set_cisc_reg_mask_name(const char *rm_name) { _cisc_reg_mask_name = rm_name; } | |
245 // Output cisc-method prototypes and method bodies | |
246 void declare_cisc_version(ArchDesc &AD, FILE *fp_cpp); | |
247 bool define_cisc_version (ArchDesc &AD, FILE *fp_cpp); | |
248 | |
249 bool check_branch_variant(ArchDesc &AD, InstructForm *short_branch); | |
250 | |
251 bool is_short_branch() { return _is_short_branch; } | |
252 void set_short_branch(bool val) { _is_short_branch = val; } | |
253 | |
254 InstructForm *short_branch_form() { return _short_branch_form; } | |
255 bool has_short_branch_form() { return _short_branch_form != NULL; } | |
256 // Output short branch prototypes and method bodies | |
257 void declare_short_branch_methods(FILE *fp_cpp); | |
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258 bool define_short_branch_methods(ArchDesc &AD, FILE *fp_cpp); |
0 | 259 |
260 uint alignment() { return _alignment; } | |
261 void set_alignment(uint val) { _alignment = val; } | |
262 | |
263 // Seach through operands to determine operands unique positions. | |
264 void set_unique_opnds(); | |
265 uint num_unique_opnds() { return _num_uniq; } | |
266 uint unique_opnds_idx(int idx) { | |
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267 if( _uniq_idx != NULL && idx > 0 ) { |
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268 assert(idx < _uniq_idx_length, "out of bounds"); |
0 | 269 return _uniq_idx[idx]; |
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270 } else { |
0 | 271 return idx; |
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272 } |
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273 } |
0 | 274 |
275 // Operands which are only KILLs aren't part of the input array and | |
276 // require special handling in some cases. Their position in this | |
277 // operand list is higher than the number of unique operands. | |
278 bool is_noninput_operand(uint idx) { | |
279 return (idx >= num_unique_opnds()); | |
280 } | |
281 | |
282 // --------------------------- FILE *output_routines | |
283 // | |
284 // Generate the format call for the replacement variable | |
285 void rep_var_format(FILE *fp, const char *rep_var); | |
605 | 286 // Generate index values needed for determining the operand position |
0 | 287 void index_temps (FILE *fp, FormDict &globals, const char *prefix = "", const char *receiver = ""); |
288 // --------------------------- | |
289 | |
290 virtual bool verify(); // Check consistency after parsing | |
291 | |
292 virtual void dump(); // Debug printer | |
293 virtual void output(FILE *fp); // Write to output files | |
294 }; | |
295 | |
296 //------------------------------EncodeForm------------------------------------- | |
297 class EncodeForm : public Form { | |
298 private: | |
299 | |
300 public: | |
301 // Public Data | |
302 NameList _eclasses; // List of encode class names | |
303 Dict _encClass; // Map encode class names to EncClass objects | |
304 | |
305 // Public Methods | |
306 EncodeForm(); | |
307 ~EncodeForm(); | |
308 | |
309 EncClass *add_EncClass(const char *className); | |
310 EncClass *encClass(const char *className); | |
311 | |
312 const char *encClassPrototype(const char *className); | |
313 const char *encClassBody(const char *className); | |
314 | |
315 void dump(); // Debug printer | |
316 void output(FILE *fp); // Write info to output files | |
317 }; | |
318 | |
319 //------------------------------EncClass--------------------------------------- | |
320 class EncClass : public Form { | |
321 public: | |
322 // NameList for parameter type and name | |
323 NameList _parameter_type; | |
324 NameList _parameter_name; | |
325 | |
326 // Breakdown the encoding into strings separated by $replacement_variables | |
327 // There is an entry in _strings, perhaps NULL, that precedes each _rep_vars | |
328 NameList _code; // Strings passed through to tty->print | |
329 NameList _rep_vars; // replacement variables | |
330 | |
331 NameList _parameters; // Locally defined names | |
332 FormDict _localNames; // Table of components & their types | |
333 | |
334 public: | |
335 // Public Data | |
336 const char *_name; // encoding class name | |
337 | |
338 // Public Methods | |
339 EncClass(const char *name); | |
340 ~EncClass(); | |
341 | |
342 // --------------------------- Parameters | |
343 // Add a parameter <type,name> pair | |
344 void add_parameter(const char *parameter_type, const char *parameter_name); | |
345 // Verify operand types in parameter list | |
346 bool check_parameter_types(FormDict &globals); | |
347 // Obtain the zero-based index corresponding to a replacement variable | |
348 int rep_var_index(const char *rep_var); | |
349 int num_args() { return _parameter_name.count(); } | |
350 | |
351 // --------------------------- Code Block | |
352 // Add code | |
605 | 353 void add_code(const char *string_preceding_replacement_var); |
0 | 354 // Add a replacement variable or one of its subfields |
355 // Subfields are stored with a leading '$' | |
356 void add_rep_var(char *replacement_var); | |
357 | |
358 bool verify(); | |
359 void dump(); | |
360 void output(FILE *fp); | |
361 }; | |
362 | |
363 //------------------------------MachNode--------------------------------------- | |
364 class MachNodeForm: public Form { | |
365 private: | |
366 | |
367 public: | |
368 char *_ident; // Name of this instruction | |
369 const char *_machnode_pipe; // Instruction Scheduline description class | |
370 | |
371 // Public Methods | |
372 MachNodeForm(char *id); | |
373 ~MachNodeForm(); | |
374 | |
375 virtual MachNodeForm *is_machnode() const; | |
376 | |
377 void dump(); // Debug printer | |
378 void output(FILE *fp); // Write info to output files | |
379 }; | |
380 | |
381 //------------------------------Opcode----------------------------------------- | |
382 class Opcode : public Form { | |
383 private: | |
384 | |
385 public: | |
386 // Public Data | |
387 // Strings representing instruction opcodes, user defines placement in emit | |
388 char *_primary; | |
389 char *_secondary; | |
390 char *_tertiary; | |
391 | |
392 enum opcode_type { | |
393 NOT_AN_OPCODE = -1, | |
394 PRIMARY = 1, | |
395 SECONDARY = 2, | |
396 TERTIARY = 3 | |
397 }; | |
398 | |
399 // Public Methods | |
400 Opcode(char *primary, char *secondary, char *tertiary); | |
401 ~Opcode(); | |
402 | |
403 static Opcode::opcode_type as_opcode_type(const char *designator); | |
404 | |
405 void dump(); | |
406 void output(FILE *fp); | |
407 | |
408 // --------------------------- FILE *output_routines | |
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409 bool print_opcode(FILE *fp, Opcode::opcode_type desired_opcode); |
0 | 410 }; |
411 | |
412 //------------------------------InsEncode-------------------------------------- | |
413 class InsEncode : public Form { | |
414 private: | |
415 // Public Data (access directly only for reads) | |
416 // The encodings can only have the values predefined by the ADLC: | |
417 // blank, RegReg, RegMem, MemReg, ... | |
418 NameList _encoding; | |
419 // NameList _parameter; | |
420 // The parameters for each encoding are preceeded by a NameList::_signal | |
421 // and follow the parameters for the previous encoding. | |
422 | |
423 // char *_encode; // Type of instruction encoding | |
424 | |
425 public: | |
426 // Public Methods | |
427 InsEncode(); | |
428 ~InsEncode(); | |
429 | |
430 // Add "encode class name" and its parameters | |
431 NameAndList *add_encode(char *encode_method_name); | |
432 // Parameters are added to the returned "NameAndList" by the parser | |
433 | |
434 // Access the list of encodings | |
435 void reset(); | |
436 const char *encode_class_iter(); | |
437 | |
438 // Returns the number of arguments to the current encoding in the iteration | |
439 int current_encoding_num_args() { | |
440 return ((NameAndList*)_encoding.current())->count(); | |
441 } | |
442 | |
443 // --------------------------- Parameters | |
444 // The following call depends upon position within encode_class_iteration | |
445 // | |
446 // Obtain parameter name from zero based index | |
447 const char *rep_var_name(InstructForm &inst, uint param_no); | |
448 // --------------------------- | |
449 | |
450 void dump(); | |
451 void output(FILE *fp); | |
452 }; | |
453 | |
454 //------------------------------Effect----------------------------------------- | |
455 class Effect : public Form { | |
456 private: | |
457 | |
458 public: | |
459 // Public Data | |
460 const char *_name; // Pre-defined name for effect | |
461 int _use_def; // Enumeration value of effect | |
462 | |
463 // Public Methods | |
464 Effect(const char *name); // Constructor | |
465 ~Effect(); // Destructor | |
466 | |
467 // Dynamic type check | |
468 virtual Effect *is_effect() const; | |
469 | |
470 // Return 'true' if this use def info equals the parameter | |
471 bool is(int use_def_kill_enum) const; | |
472 // Return 'true' if this use def info is a superset of parameter | |
473 bool isa(int use_def_kill_enum) const; | |
474 | |
475 void dump(); // Debug printer | |
476 void output(FILE *fp); // Write info to output files | |
477 }; | |
478 | |
479 //------------------------------ExpandRule------------------------------------- | |
480 class ExpandRule : public Form { | |
481 private: | |
482 NameList _expand_instrs; // ordered list of instructions and operands | |
483 | |
484 public: | |
485 // Public Data | |
486 NameList _newopers; // List of newly created operands | |
487 Dict _newopconst; // Map new operands to their constructors | |
488 | |
489 void add_instruction(NameAndList *instruction_name_and_operand_list); | |
490 void reset_instructions(); | |
491 NameAndList *iter_instructions(); | |
492 | |
493 // Public Methods | |
494 ExpandRule(); // Constructor | |
495 ~ExpandRule(); // Destructor | |
496 | |
497 void dump(); // Debug printer | |
498 void output(FILE *fp); // Write info to output files | |
499 }; | |
500 | |
501 //------------------------------RewriteRule------------------------------------ | |
502 class RewriteRule : public Form { | |
503 private: | |
504 | |
505 public: | |
506 // Public Data | |
507 SourceForm *_condition; // Rewrite condition code | |
508 InstructForm *_instrs; // List of instructions to expand to | |
509 OperandForm *_opers; // List of operands generated by expand | |
510 char *_tempParams; // Hold string until parser is finished. | |
511 char *_tempBlock; // Hold string until parser is finished. | |
512 | |
513 // Public Methods | |
514 RewriteRule(char* params, char* block) ; | |
515 ~RewriteRule(); // Destructor | |
516 void dump(); // Debug printer | |
517 void output(FILE *fp); // Write info to output files | |
518 }; | |
519 | |
520 | |
521 //==============================Operands======================================= | |
522 //------------------------------OpClassForm------------------------------------ | |
523 class OpClassForm : public Form { | |
524 public: | |
525 // Public Data | |
526 const char *_ident; // Name of this operand | |
527 NameList _oplst; // List of operand forms included in class | |
528 | |
529 // Public Methods | |
530 OpClassForm(const char *id); | |
531 ~OpClassForm(); | |
532 | |
533 // dynamic type check | |
534 virtual OpClassForm *is_opclass() const; | |
535 virtual Form::InterfaceType interface_type(FormDict &globals) const; | |
536 virtual bool stack_slots_only(FormDict &globals) const; | |
537 | |
538 virtual bool is_cisc_mem(FormDict &globals) const; | |
539 | |
540 | |
541 // Min and Max opcodes of operands in this operand class | |
542 int _minCode; | |
543 int _maxCode; | |
544 | |
545 virtual bool ideal_only() const; | |
546 virtual void dump(); // Debug printer | |
547 virtual void output(FILE *fp); // Write to output files | |
548 }; | |
549 | |
550 //------------------------------OperandForm------------------------------------ | |
551 class OperandForm : public OpClassForm { | |
552 private: | |
553 bool _ideal_only; // Not a user-defined instruction | |
554 | |
555 public: | |
556 // Public Data | |
557 NameList _parameters; // Locally defined names | |
558 FormDict _localNames; // Table of components & their types | |
559 MatchRule *_matrule; // Matching rule for this operand | |
560 Interface *_interface; // Encoding interface for this operand | |
561 Attribute *_attribs; // List of Attribute rules | |
562 Predicate *_predicate; // Predicate test for this operand | |
563 Constraint *_constraint; // Constraint Rule for this operand | |
564 ConstructRule *_construct; // Construction of operand data after matching | |
565 FormatRule *_format; // Format for assembly generation | |
566 NameList _classes; // List of opclasses which contain this oper | |
567 | |
568 ComponentList _components; // | |
569 | |
570 // Public Methods | |
571 OperandForm(const char *id); | |
572 OperandForm(const char *id, bool ideal_only); | |
573 ~OperandForm(); | |
574 | |
575 // Dynamic type check | |
576 virtual OperandForm *is_operand() const; | |
577 | |
578 virtual bool ideal_only() const; | |
579 virtual Form::InterfaceType interface_type(FormDict &globals) const; | |
580 virtual bool stack_slots_only(FormDict &globals) const; | |
581 | |
582 virtual const char *cost(); // Access ins_cost attribute | |
583 virtual uint num_leaves() const;// Leaves in complex operand | |
584 // Constants in operands' match rules | |
585 virtual uint num_consts(FormDict &globals) const; | |
586 // Constants in operand's match rule with specified type | |
587 virtual uint num_consts(FormDict &globals, Form::DataType type) const; | |
588 // Pointer Constants in operands' match rules | |
589 virtual uint num_const_ptrs(FormDict &globals) const; | |
590 // The number of input edges in the machine world == num_leaves - num_consts | |
591 virtual uint num_edges(FormDict &globals) const; | |
592 | |
593 // Check if this operand is usable for cisc-spilling | |
594 virtual bool is_cisc_reg(FormDict &globals) const; | |
595 | |
596 // node matches ideal 'Bool', grab condition codes from the ideal world | |
597 virtual bool is_ideal_bool() const; | |
598 | |
599 // Has an integer constant suitable for spill offsets | |
600 bool has_conI(FormDict &globals) const { | |
601 return (num_consts(globals,idealI) == 1) && !is_ideal_bool(); } | |
602 bool has_conL(FormDict &globals) const { | |
603 return (num_consts(globals,idealL) == 1) && !is_ideal_bool(); } | |
604 | |
605 // Node is user-defined operand for an sRegX | |
606 virtual Form::DataType is_user_name_for_sReg() const; | |
607 | |
608 // Return ideal type, if there is a single ideal type for this operand | |
609 virtual const char *ideal_type(FormDict &globals, RegisterForm *registers = NULL) const; | |
610 // If there is a single ideal type for this interface field, return it. | |
611 virtual const char *interface_ideal_type(FormDict &globals, | |
612 const char *field_name) const; | |
613 | |
614 // Return true if this operand represents a bound register class | |
615 bool is_bound_register() const; | |
616 | |
617 // Return the Register class for this operand. Returns NULL if | |
618 // operand isn't a register form. | |
619 RegClass* get_RegClass() const; | |
620 | |
621 virtual bool is_interface_field(const char *field_name, | |
622 const char * &value) const; | |
623 | |
624 // If this operand has a single ideal type, return its type | |
625 virtual Form::DataType simple_type(FormDict &globals) const; | |
626 // If this operand is an ideal constant, return its type | |
627 virtual Form::DataType is_base_constant(FormDict &globals) const; | |
628 | |
629 // "true" if this operand is a simple type that is swallowed | |
630 virtual bool swallowed(FormDict &globals) const; | |
631 | |
632 // Return register class name if a constraint specifies the register class. | |
633 virtual const char *constrained_reg_class() const; | |
634 // Return the register class associated with 'leaf'. | |
635 virtual const char *in_reg_class(uint leaf, FormDict &globals); | |
636 | |
637 // Build component list from MatchRule and operand's parameter list | |
638 virtual void build_components(); // top-level operands | |
639 | |
640 // Return zero-based position in component list; -1 if not in list. | |
641 virtual int operand_position(const char *name, int usedef); | |
642 | |
643 // Return zero-based position in component list; -1 if not in list. | |
644 virtual int constant_position(FormDict &globals, const Component *comp); | |
645 virtual int constant_position(FormDict &globals, const char *local_name); | |
646 // Return the operand form corresponding to the given index, else NULL. | |
647 virtual OperandForm *constant_operand(FormDict &globals, uint const_index); | |
648 | |
649 // Return zero-based position in component list; -1 if not in list. | |
650 virtual int register_position(FormDict &globals, const char *regname); | |
651 | |
652 const char *reduce_result() const; | |
653 // Return the name of the operand on the right hand side of the binary match | |
654 // Return NULL if there is no right hand side | |
655 const char *reduce_right(FormDict &globals) const; | |
656 const char *reduce_left(FormDict &globals) const; | |
657 | |
658 | |
659 // --------------------------- FILE *output_routines | |
660 // | |
661 // Output code for disp_is_oop, if true. | |
662 void disp_is_oop(FILE *fp, FormDict &globals); | |
663 // Generate code for internal and external format methods | |
664 void int_format(FILE *fp, FormDict &globals, uint index); | |
665 void ext_format(FILE *fp, FormDict &globals, uint index); | |
666 void format_constant(FILE *fp, uint con_index, uint con_type); | |
667 // Output code to access the value of the index'th constant | |
668 void access_constant(FILE *fp, FormDict &globals, | |
669 uint con_index); | |
670 // --------------------------- | |
671 | |
672 | |
673 virtual void dump(); // Debug printer | |
674 virtual void output(FILE *fp); // Write to output files | |
675 }; | |
676 | |
677 //------------------------------Constraint------------------------------------- | |
678 class Constraint : public Form { | |
679 private: | |
680 | |
681 public: | |
682 const char *_func; // Constraint function | |
683 const char *_arg; // function's argument | |
684 | |
685 // Public Methods | |
686 Constraint(const char *func, const char *arg); // Constructor | |
687 ~Constraint(); | |
688 | |
689 bool stack_slots_only() const; | |
690 | |
691 void dump(); // Debug printer | |
692 void output(FILE *fp); // Write info to output files | |
693 }; | |
694 | |
695 //------------------------------Predicate-------------------------------------- | |
696 class Predicate : public Form { | |
697 private: | |
698 | |
699 public: | |
700 // Public Data | |
701 char *_pred; // C++ source string for predicate | |
702 | |
703 // Public Methods | |
704 Predicate(char *pr); | |
705 ~Predicate(); | |
706 | |
707 void dump(); | |
708 void output(FILE *fp); | |
709 }; | |
710 | |
711 //------------------------------Interface-------------------------------------- | |
712 class Interface : public Form { | |
713 private: | |
714 | |
715 public: | |
716 // Public Data | |
717 const char *_name; // String representing the interface name | |
718 | |
719 // Public Methods | |
720 Interface(const char *name); | |
721 ~Interface(); | |
722 | |
723 virtual Form::InterfaceType interface_type(FormDict &globals) const; | |
724 | |
725 RegInterface *is_RegInterface(); | |
726 MemInterface *is_MemInterface(); | |
727 ConstInterface *is_ConstInterface(); | |
728 CondInterface *is_CondInterface(); | |
729 | |
730 | |
731 void dump(); | |
732 void output(FILE *fp); | |
733 }; | |
734 | |
735 //------------------------------RegInterface----------------------------------- | |
736 class RegInterface : public Interface { | |
737 private: | |
738 | |
739 public: | |
740 // Public Methods | |
741 RegInterface(); | |
742 ~RegInterface(); | |
743 | |
744 void dump(); | |
745 void output(FILE *fp); | |
746 }; | |
747 | |
748 //------------------------------ConstInterface--------------------------------- | |
749 class ConstInterface : public Interface { | |
750 private: | |
751 | |
752 public: | |
753 // Public Methods | |
754 ConstInterface(); | |
755 ~ConstInterface(); | |
756 | |
757 void dump(); | |
758 void output(FILE *fp); | |
759 }; | |
760 | |
761 //------------------------------MemInterface----------------------------------- | |
762 class MemInterface : public Interface { | |
763 private: | |
764 | |
765 public: | |
766 // Public Data | |
767 char *_base; // Base address | |
768 char *_index; // index | |
769 char *_scale; // scaling factor | |
770 char *_disp; // displacement | |
771 | |
772 // Public Methods | |
773 MemInterface(char *base, char *index, char *scale, char *disp); | |
774 ~MemInterface(); | |
775 | |
776 void dump(); | |
777 void output(FILE *fp); | |
778 }; | |
779 | |
780 //------------------------------CondInterface---------------------------------- | |
781 class CondInterface : public Interface { | |
782 private: | |
783 | |
784 public: | |
785 const char *_equal; | |
786 const char *_not_equal; | |
787 const char *_less; | |
788 const char *_greater_equal; | |
789 const char *_less_equal; | |
790 const char *_greater; | |
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791 const char *_equal_format; |
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792 const char *_not_equal_format; |
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793 const char *_less_format; |
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794 const char *_greater_equal_format; |
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795 const char *_less_equal_format; |
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796 const char *_greater_format; |
0 | 797 |
798 // Public Methods | |
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799 CondInterface(const char* equal, const char* equal_format, |
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800 const char* not_equal, const char* not_equal_format, |
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801 const char* less, const char* less_format, |
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802 const char* greater_equal, const char* greater_equal_format, |
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803 const char* less_equal, const char* less_equal_format, |
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804 const char* greater, const char* greater_format); |
0 | 805 ~CondInterface(); |
806 | |
807 void dump(); | |
808 void output(FILE *fp); | |
809 }; | |
810 | |
811 //------------------------------ConstructRule---------------------------------- | |
812 class ConstructRule : public Form { | |
813 private: | |
814 | |
815 public: | |
816 // Public Data | |
817 char *_expr; // String representing the match expression | |
818 char *_construct; // String representing C++ constructor code | |
819 | |
820 // Public Methods | |
821 ConstructRule(char *cnstr); | |
822 ~ConstructRule(); | |
823 | |
824 void dump(); | |
825 void output(FILE *fp); | |
826 }; | |
827 | |
828 | |
829 //==============================Shared========================================= | |
830 //------------------------------AttributeForm---------------------------------- | |
831 class AttributeForm : public Form { | |
832 private: | |
833 // counters for unique instruction or operand ID | |
834 static int _insId; // user-defined machine instruction types | |
835 static int _opId; // user-defined operand types | |
836 | |
837 int id; // hold type for this object | |
838 | |
839 public: | |
840 // Public Data | |
841 char *_attrname; // Name of attribute | |
842 int _atype; // Either INS_ATTR or OP_ATTR | |
843 char *_attrdef; // C++ source which evaluates to constant | |
844 | |
845 // Public Methods | |
846 AttributeForm(char *attr, int type, char *attrdef); | |
847 ~AttributeForm(); | |
848 | |
849 // Dynamic type check | |
850 virtual AttributeForm *is_attribute() const; | |
851 | |
852 int type() { return id;} // return this object's "id" | |
853 | |
854 static const char* _ins_cost; // "ins_cost" | |
855 static const char* _ins_pc_relative; // "ins_pc_relative" | |
856 static const char* _op_cost; // "op_cost" | |
857 | |
858 void dump(); // Debug printer | |
859 void output(FILE *fp); // Write output files | |
860 }; | |
861 | |
862 //------------------------------Component-------------------------------------- | |
863 class Component : public Form { | |
864 private: | |
865 | |
866 public: | |
867 // Public Data | |
868 const char *_name; // Name of this component | |
869 const char *_type; // Type of this component | |
870 int _usedef; // Value of component | |
871 | |
872 // Public Methods | |
873 Component(const char *name, const char *type, int usedef); | |
874 ~Component(); | |
875 | |
876 | |
877 // Return 'true' if this use def info equals the parameter | |
878 bool is(int use_def_kill_enum) const; | |
879 // Return 'true' if this use def info is a superset of parameter | |
880 bool isa(int use_def_kill_enum) const; | |
881 int promote_use_def_info(int new_use_def); | |
882 const char *base_type(FormDict &globals); | |
883 // Form::DataType is_base_constant(FormDict &globals); | |
884 | |
885 void dump(); // Debug printer | |
886 void output(FILE *fp); // Write to output files | |
887 | |
888 public: | |
889 // Implementation depends upon working bit intersection and union. | |
890 enum use_def_enum { | |
891 INVALID = 0x0, | |
892 USE = 0x1, | |
893 DEF = 0x2, USE_DEF = 0x3, | |
894 KILL = 0x4, USE_KILL = 0x5, | |
895 SYNTHETIC = 0x8, | |
896 TEMP = USE | SYNTHETIC | |
897 }; | |
898 }; | |
899 | |
900 | |
901 //------------------------------MatchNode-------------------------------------- | |
902 class MatchNode : public Form { | |
903 private: | |
904 | |
905 public: | |
906 // Public Data | |
907 const char *_result; // The name of the output of this node | |
908 const char *_name; // The name that appeared in the match rule | |
909 const char *_opType; // The Operation/Type matched | |
910 MatchNode *_lChild; // Left child in expression tree | |
911 MatchNode *_rChild; // Right child in expression tree | |
912 int _numleaves; // Sum of numleaves for all direct children | |
913 ArchDesc &_AD; // Reference to ArchDesc object | |
914 char *_internalop; // String representing internal operand | |
915 int _commutative_id; // id of commutative operation | |
916 | |
917 // Public Methods | |
918 MatchNode(ArchDesc &ad, const char *result = 0, const char *expr = 0, | |
919 const char *opType=0, MatchNode *lChild=NULL, | |
920 MatchNode *rChild=NULL); | |
921 MatchNode(ArchDesc &ad, MatchNode& mNode); // Shallow copy constructor; | |
922 MatchNode(ArchDesc &ad, MatchNode& mNode, int clone); // Construct clone | |
923 ~MatchNode(); | |
924 | |
925 // return 0 if not found: | |
926 // return 1 if found and position is incremented by operand offset in rule | |
927 bool find_name(const char *str, int &position) const; | |
928 bool find_type(const char *str, int &position) const; | |
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929 virtual void append_components(FormDict& locals, ComponentList& components, |
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930 bool def_flag = false) const; |
0 | 931 bool base_operand(uint &position, FormDict &globals, |
932 const char * &result, const char * &name, | |
933 const char * &opType) const; | |
934 // recursive count on operands | |
935 uint num_consts(FormDict &globals) const; | |
936 uint num_const_ptrs(FormDict &globals) const; | |
937 // recursive count of constants with specified type | |
938 uint num_consts(FormDict &globals, Form::DataType type) const; | |
939 // uint num_consts() const; // Local inspection only | |
940 int needs_ideal_memory_edge(FormDict &globals) const; | |
941 int needs_base_oop_edge() const; | |
942 | |
943 // Help build instruction predicates. Search for operand names. | |
944 void count_instr_names( Dict &names ); | |
945 int build_instr_pred( char *buf, const char *name, int cnt ); | |
946 void build_internalop( ); | |
947 | |
948 // Return the name of the operands associated with reducing to this operand: | |
949 // The result type, plus the left and right sides of the binary match | |
950 // Return NULL if there is no left or right hand side | |
951 bool sets_result() const; // rule "Set"s result of match | |
952 const char *reduce_right(FormDict &globals) const; | |
953 const char *reduce_left (FormDict &globals) const; | |
954 | |
955 // Recursive version of check in MatchRule | |
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956 int cisc_spill_match(FormDict& globals, RegisterForm* registers, |
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957 MatchNode* mRule2, const char* &operand, |
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958 const char* ®_type); |
0 | 959 int cisc_spill_merge(int left_result, int right_result); |
960 | |
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961 virtual bool equivalent(FormDict& globals, MatchNode* mNode2); |
0 | 962 |
963 void count_commutative_op(int& count); | |
964 void swap_commutative_op(bool atroot, int count); | |
965 | |
966 void dump(); | |
967 void output(FILE *fp); | |
968 }; | |
969 | |
970 //------------------------------MatchRule-------------------------------------- | |
971 class MatchRule : public MatchNode { | |
972 private: | |
973 | |
974 public: | |
975 // Public Data | |
976 const char *_machType; // Machine type index | |
977 int _depth; // Expression tree depth | |
978 char *_construct; // String representing C++ constructor code | |
979 int _numchilds; // Number of direct children | |
980 MatchRule *_next; // Pointer to next match rule | |
981 | |
982 // Public Methods | |
983 MatchRule(ArchDesc &ad); | |
984 MatchRule(ArchDesc &ad, MatchRule* mRule); // Shallow copy constructor; | |
985 MatchRule(ArchDesc &ad, MatchNode* mroot, int depth, char* construct, int numleaves); | |
986 ~MatchRule(); | |
987 | |
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988 virtual void append_components(FormDict& locals, ComponentList& components, bool def_flag = false) const; |
0 | 989 // Recursive call on all operands' match rules in my match rule. |
990 bool base_operand(uint &position, FormDict &globals, | |
991 const char * &result, const char * &name, | |
992 const char * &opType) const; | |
993 | |
994 | |
995 bool is_base_register(FormDict &globals) const; | |
996 Form::DataType is_base_constant(FormDict &globals) const; | |
997 bool is_chain_rule(FormDict &globals) const; | |
998 int is_ideal_copy() const; | |
999 int is_expensive() const; // node matches ideal 'CosD' | |
1000 bool is_ideal_unlock() const; | |
1001 bool is_ideal_call_leaf() const; | |
1002 bool is_ideal_if() const; // node matches ideal 'If' | |
1003 bool is_ideal_fastlock() const; // node matches ideal 'FastLock' | |
1004 bool is_ideal_jump() const; // node matches ideal 'Jump' | |
1005 bool is_ideal_membar() const; // node matches ideal 'MemBarXXX' | |
1006 bool is_ideal_loadPC() const; // node matches ideal 'LoadPC' | |
1007 bool is_ideal_box() const; // node matches ideal 'Box' | |
1008 bool is_ideal_goto() const; // node matches ideal 'Goto' | |
1009 bool is_ideal_loopEnd() const; // node matches ideal 'LoopEnd' | |
1010 bool is_ideal_bool() const; // node matches ideal 'Bool' | |
1011 Form::DataType is_ideal_load() const;// node matches ideal 'LoadXNode' | |
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1012 // Should antidep checks be disabled for this rule |
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1013 // See definition of MatchRule::skip_antidep_check |
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1014 bool skip_antidep_check() const; |
0 | 1015 Form::DataType is_ideal_store() const;// node matches ideal 'StoreXNode' |
1016 | |
1017 // Check if 'mRule2' is a cisc-spill variant of this MatchRule | |
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1018 int matchrule_cisc_spill_match(FormDict &globals, RegisterForm* registers, |
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1019 MatchRule* mRule2, const char* &operand, |
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1020 const char* ®_type); |
0 | 1021 |
1022 // Check if 'mRule2' is equivalent to this MatchRule | |
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1023 virtual bool equivalent(FormDict& globals, MatchNode* mRule2); |
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1025 void matchrule_swap_commutative_op(const char* instr_ident, int count, int& match_rules_cnt); |
0 | 1026 |
1027 void dump(); | |
1028 void output(FILE *fp); | |
1029 }; | |
1030 | |
1031 //------------------------------Attribute-------------------------------------- | |
1032 class Attribute : public Form { | |
1033 private: | |
1034 | |
1035 public: | |
1036 // Public Data | |
1037 char *_ident; // Name of predefined attribute | |
1038 char *_val; // C++ source which evaluates to constant | |
1039 int _atype; // Either INS_ATTR or OP_ATTR | |
1040 int int_val(ArchDesc &ad); // Return atoi(_val), ensuring syntax. | |
1041 | |
1042 // Public Methods | |
1043 Attribute(char *id, char* val, int type); | |
1044 ~Attribute(); | |
1045 | |
1046 void dump(); | |
1047 void output(FILE *fp); | |
1048 }; | |
1049 | |
1050 //------------------------------FormatRule------------------------------------- | |
1051 class FormatRule : public Form { | |
1052 private: | |
1053 | |
1054 public: | |
1055 // Public Data | |
1056 // There is an entry in _strings, perhaps NULL, that precedes each _rep_vars | |
1057 NameList _strings; // Strings passed through to tty->print | |
1058 NameList _rep_vars; // replacement variables | |
1059 char *_temp; // String representing the assembly code | |
1060 | |
1061 // Public Methods | |
1062 FormatRule(char *temp); | |
1063 ~FormatRule(); | |
1064 | |
1065 void dump(); | |
1066 void output(FILE *fp); | |
1067 }; | |
1972 | 1068 |
1069 #endif // SHARE_VM_ADLC_FORMSSEL_HPP |