Mercurial > hg > graal-compiler
annotate src/share/vm/adlc/archDesc.cpp @ 14692:8504393de66b
8037043: put Method flag bits in predictable positions
Reviewed-by: kvn, coleenp
author | twisti |
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date | Tue, 11 Mar 2014 14:54:47 -0700 |
parents | cd5d10655495 |
children | 4ca6dc0799b6 |
rev | line source |
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0 | 1 // |
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2 // Copyright (c) 1997, 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 | |
25 | |
26 // archDesc.cpp - Internal format for architecture definition | |
27 #include "adlc.hpp" | |
28 | |
29 static FILE *errfile = stderr; | |
30 | |
31 //--------------------------- utility functions ----------------------------- | |
10389 | 32 inline char toUpper(char lower) { |
33 return (('a' <= lower && lower <= 'z') ? ((char) (lower + ('A'-'a'))) : lower); | |
0 | 34 } |
35 char *toUpper(const char *str) { | |
36 char *upper = new char[strlen(str)+1]; | |
37 char *result = upper; | |
38 const char *end = str + strlen(str); | |
39 for (; str < end; ++str, ++upper) { | |
40 *upper = toUpper(*str); | |
41 } | |
42 *upper = '\0'; | |
43 return result; | |
44 } | |
45 | |
46 //---------------------------ChainList Methods------------------------------- | |
47 ChainList::ChainList() { | |
48 } | |
49 | |
50 void ChainList::insert(const char *name, const char *cost, const char *rule) { | |
51 _name.addName(name); | |
52 _cost.addName(cost); | |
53 _rule.addName(rule); | |
54 } | |
55 | |
56 bool ChainList::search(const char *name) { | |
57 return _name.search(name); | |
58 } | |
59 | |
60 void ChainList::reset() { | |
61 _name.reset(); | |
62 _cost.reset(); | |
63 _rule.reset(); | |
64 } | |
65 | |
66 bool ChainList::iter(const char * &name, const char * &cost, const char * &rule) { | |
67 bool notDone = false; | |
68 const char *n = _name.iter(); | |
69 const char *c = _cost.iter(); | |
70 const char *r = _rule.iter(); | |
71 | |
72 if (n && c && r) { | |
73 notDone = true; | |
74 name = n; | |
75 cost = c; | |
76 rule = r; | |
77 } | |
78 | |
79 return notDone; | |
80 } | |
81 | |
82 void ChainList::dump() { | |
83 output(stderr); | |
84 } | |
85 | |
86 void ChainList::output(FILE *fp) { | |
87 fprintf(fp, "\nChain Rules: output resets iterator\n"); | |
88 const char *cost = NULL; | |
89 const char *name = NULL; | |
90 const char *rule = NULL; | |
91 bool chains_exist = false; | |
92 for(reset(); (iter(name,cost,rule)) == true; ) { | |
93 fprintf(fp, "Chain to <%s> at cost #%s using %s_rule\n",name, cost ? cost : "0", rule); | |
94 // // Check for transitive chain rules | |
95 // Form *form = (Form *)_globalNames[rule]; | |
96 // if (form->is_instruction()) { | |
97 // // chain_rule(fp, indent, name, cost, rule); | |
98 // chain_rule(fp, indent, name, cost, rule); | |
99 // } | |
100 } | |
101 reset(); | |
102 if( ! chains_exist ) { | |
103 fprintf(fp, "No entries in this ChainList\n"); | |
104 } | |
105 } | |
106 | |
107 | |
108 //---------------------------MatchList Methods------------------------------- | |
109 bool MatchList::search(const char *opc, const char *res, const char *lch, | |
110 const char *rch, Predicate *pr) { | |
111 bool tmp = false; | |
112 if ((res == _resultStr) || (res && _resultStr && !strcmp(res, _resultStr))) { | |
113 if ((lch == _lchild) || (lch && _lchild && !strcmp(lch, _lchild))) { | |
114 if ((rch == _rchild) || (rch && _rchild && !strcmp(rch, _rchild))) { | |
115 char * predStr = get_pred(); | |
116 char * prStr = pr?pr->_pred:NULL; | |
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117 if (ADLParser::equivalent_expressions(prStr, predStr)) { |
0 | 118 return true; |
119 } | |
120 } | |
121 } | |
122 } | |
123 if (_next) { | |
124 tmp = _next->search(opc, res, lch, rch, pr); | |
125 } | |
126 return tmp; | |
127 } | |
128 | |
129 | |
130 void MatchList::dump() { | |
131 output(stderr); | |
132 } | |
133 | |
134 void MatchList::output(FILE *fp) { | |
135 fprintf(fp, "\nMatchList output is Unimplemented();\n"); | |
136 } | |
137 | |
138 | |
139 //---------------------------ArchDesc Constructor and Destructor------------- | |
140 | |
141 ArchDesc::ArchDesc() | |
142 : _globalNames(cmpstr,hashstr, Form::arena), | |
143 _globalDefs(cmpstr,hashstr, Form::arena), | |
144 _preproc_table(cmpstr,hashstr, Form::arena), | |
145 _idealIndex(cmpstr,hashstr, Form::arena), | |
146 _internalOps(cmpstr,hashstr, Form::arena), | |
147 _internalMatch(cmpstr,hashstr, Form::arena), | |
148 _chainRules(cmpstr,hashstr, Form::arena), | |
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149 _cisc_spill_operand(NULL), |
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150 _needs_clone_jvms(false) { |
0 | 151 |
152 // Initialize the opcode to MatchList table with NULLs | |
153 for( int i=0; i<_last_opcode; ++i ) { | |
154 _mlistab[i] = NULL; | |
155 } | |
156 | |
157 // Set-up the global tables | |
158 initKeywords(_globalNames); // Initialize the Name Table with keywords | |
159 | |
160 // Prime user-defined types with predefined types: Set, RegI, RegF, ... | |
161 initBaseOpTypes(); | |
162 | |
163 // Initialize flags & counters | |
164 _TotalLines = 0; | |
165 _no_output = 0; | |
166 _quiet_mode = 0; | |
167 _disable_warnings = 0; | |
168 _dfa_debug = 0; | |
169 _dfa_small = 0; | |
170 _adl_debug = 0; | |
171 _adlocation_debug = 0; | |
172 _internalOpCounter = 0; | |
173 _cisc_spill_debug = false; | |
174 _short_branch_debug = false; | |
175 | |
176 // Initialize match rule flags | |
177 for (int i = 0; i < _last_opcode; i++) { | |
178 _has_match_rule[i] = false; | |
179 } | |
180 | |
181 // Error/Warning Counts | |
182 _syntax_errs = 0; | |
183 _semantic_errs = 0; | |
184 _warnings = 0; | |
185 _internal_errs = 0; | |
186 | |
187 // Initialize I/O Files | |
188 _ADL_file._name = NULL; _ADL_file._fp = NULL; | |
189 // Machine dependent output files | |
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190 _DFA_file._name = NULL; _DFA_file._fp = NULL; |
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191 _HPP_file._name = NULL; _HPP_file._fp = NULL; |
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192 _CPP_file._name = NULL; _CPP_file._fp = NULL; |
0 | 193 _bug_file._name = "bugs.out"; _bug_file._fp = NULL; |
194 | |
195 // Initialize Register & Pipeline Form Pointers | |
196 _register = NULL; | |
197 _encode = NULL; | |
198 _pipeline = NULL; | |
6850 | 199 _frame = NULL; |
0 | 200 } |
201 | |
202 ArchDesc::~ArchDesc() { | |
203 // Clean-up and quit | |
204 | |
205 } | |
206 | |
207 //---------------------------ArchDesc methods: Public ---------------------- | |
208 // Store forms according to type | |
209 void ArchDesc::addForm(PreHeaderForm *ptr) { _pre_header.addForm(ptr); }; | |
210 void ArchDesc::addForm(HeaderForm *ptr) { _header.addForm(ptr); }; | |
211 void ArchDesc::addForm(SourceForm *ptr) { _source.addForm(ptr); }; | |
212 void ArchDesc::addForm(EncodeForm *ptr) { _encode = ptr; }; | |
213 void ArchDesc::addForm(InstructForm *ptr) { _instructions.addForm(ptr); }; | |
214 void ArchDesc::addForm(MachNodeForm *ptr) { _machnodes.addForm(ptr); }; | |
215 void ArchDesc::addForm(OperandForm *ptr) { _operands.addForm(ptr); }; | |
216 void ArchDesc::addForm(OpClassForm *ptr) { _opclass.addForm(ptr); }; | |
217 void ArchDesc::addForm(AttributeForm *ptr) { _attributes.addForm(ptr); }; | |
218 void ArchDesc::addForm(RegisterForm *ptr) { _register = ptr; }; | |
219 void ArchDesc::addForm(FrameForm *ptr) { _frame = ptr; }; | |
220 void ArchDesc::addForm(PipelineForm *ptr) { _pipeline = ptr; }; | |
221 | |
222 // Build MatchList array and construct MatchLists | |
223 void ArchDesc::generateMatchLists() { | |
224 // Call inspection routines to populate array | |
225 inspectOperands(); | |
226 inspectInstructions(); | |
227 } | |
228 | |
229 // Build MatchList structures for operands | |
230 void ArchDesc::inspectOperands() { | |
231 | |
232 // Iterate through all operands | |
233 _operands.reset(); | |
234 OperandForm *op; | |
235 for( ; (op = (OperandForm*)_operands.iter()) != NULL;) { | |
236 // Construct list of top-level operands (components) | |
237 op->build_components(); | |
238 | |
239 // Ensure that match field is defined. | |
240 if ( op->_matrule == NULL ) continue; | |
241 | |
242 // Type check match rules | |
243 check_optype(op->_matrule); | |
244 | |
245 // Construct chain rules | |
246 build_chain_rule(op); | |
247 | |
248 MatchRule &mrule = *op->_matrule; | |
249 Predicate *pred = op->_predicate; | |
250 | |
251 // Grab the machine type of the operand | |
252 const char *rootOp = op->_ident; | |
253 mrule._machType = rootOp; | |
254 | |
255 // Check for special cases | |
256 if (strcmp(rootOp,"Universe")==0) continue; | |
257 if (strcmp(rootOp,"label")==0) continue; | |
258 // !!!!! !!!!! | |
259 assert( strcmp(rootOp,"sReg") != 0, "Disable untyped 'sReg'"); | |
260 if (strcmp(rootOp,"sRegI")==0) continue; | |
261 if (strcmp(rootOp,"sRegP")==0) continue; | |
262 if (strcmp(rootOp,"sRegF")==0) continue; | |
263 if (strcmp(rootOp,"sRegD")==0) continue; | |
264 if (strcmp(rootOp,"sRegL")==0) continue; | |
265 | |
266 // Cost for this match | |
267 const char *costStr = op->cost(); | |
268 const char *defaultCost = | |
269 ((AttributeForm*)_globalNames[AttributeForm::_op_cost])->_attrdef; | |
270 const char *cost = costStr? costStr : defaultCost; | |
271 | |
272 // Find result type for match. | |
273 const char *result = op->reduce_result(); | |
274 bool has_root = false; | |
275 | |
276 // Construct a MatchList for this entry | |
277 buildMatchList(op->_matrule, result, rootOp, pred, cost); | |
278 } | |
279 } | |
280 | |
281 // Build MatchList structures for instructions | |
282 void ArchDesc::inspectInstructions() { | |
283 | |
284 // Iterate through all instructions | |
285 _instructions.reset(); | |
286 InstructForm *instr; | |
287 for( ; (instr = (InstructForm*)_instructions.iter()) != NULL; ) { | |
288 // Construct list of top-level operands (components) | |
289 instr->build_components(); | |
290 | |
291 // Ensure that match field is defined. | |
292 if ( instr->_matrule == NULL ) continue; | |
293 | |
294 MatchRule &mrule = *instr->_matrule; | |
295 Predicate *pred = instr->build_predicate(); | |
296 | |
297 // Grab the machine type of the operand | |
298 const char *rootOp = instr->_ident; | |
299 mrule._machType = rootOp; | |
300 | |
301 // Cost for this match | |
302 const char *costStr = instr->cost(); | |
303 const char *defaultCost = | |
304 ((AttributeForm*)_globalNames[AttributeForm::_ins_cost])->_attrdef; | |
305 const char *cost = costStr? costStr : defaultCost; | |
306 | |
307 // Find result type for match | |
308 const char *result = instr->reduce_result(); | |
309 | |
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310 if ( instr->is_ideal_branch() && instr->label_position() == -1 || |
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311 !instr->is_ideal_branch() && instr->label_position() != -1) { |
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312 syntax_err(instr->_linenum, "%s: Only branches to a label are supported\n", rootOp); |
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313 } |
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314 |
0 | 315 Attribute *attr = instr->_attribs; |
316 while (attr != NULL) { | |
317 if (strcmp(attr->_ident,"ins_short_branch") == 0 && | |
318 attr->int_val(*this) != 0) { | |
3842 | 319 if (!instr->is_ideal_branch() || instr->label_position() == -1) { |
320 syntax_err(instr->_linenum, "%s: Only short branch to a label is supported\n", rootOp); | |
321 } | |
0 | 322 instr->set_short_branch(true); |
323 } else if (strcmp(attr->_ident,"ins_alignment") == 0 && | |
324 attr->int_val(*this) != 0) { | |
325 instr->set_alignment(attr->int_val(*this)); | |
326 } | |
327 attr = (Attribute *)attr->_next; | |
328 } | |
329 | |
330 if (!instr->is_short_branch()) { | |
331 buildMatchList(instr->_matrule, result, mrule._machType, pred, cost); | |
332 } | |
333 } | |
334 } | |
335 | |
336 static int setsResult(MatchRule &mrule) { | |
337 if (strcmp(mrule._name,"Set") == 0) return 1; | |
338 return 0; | |
339 } | |
340 | |
341 const char *ArchDesc::getMatchListIndex(MatchRule &mrule) { | |
342 if (setsResult(mrule)) { | |
343 // right child | |
344 return mrule._rChild->_opType; | |
345 } else { | |
346 // first entry | |
347 return mrule._opType; | |
348 } | |
349 } | |
350 | |
351 | |
352 //------------------------------result of reduction---------------------------- | |
353 | |
354 | |
355 //------------------------------left reduction--------------------------------- | |
356 // Return the left reduction associated with an internal name | |
357 const char *ArchDesc::reduceLeft(char *internalName) { | |
358 const char *left = NULL; | |
359 MatchNode *mnode = (MatchNode*)_internalMatch[internalName]; | |
360 if (mnode->_lChild) { | |
361 mnode = mnode->_lChild; | |
362 left = mnode->_internalop ? mnode->_internalop : mnode->_opType; | |
363 } | |
364 return left; | |
365 } | |
366 | |
367 | |
368 //------------------------------right reduction-------------------------------- | |
369 const char *ArchDesc::reduceRight(char *internalName) { | |
370 const char *right = NULL; | |
371 MatchNode *mnode = (MatchNode*)_internalMatch[internalName]; | |
372 if (mnode->_rChild) { | |
373 mnode = mnode->_rChild; | |
374 right = mnode->_internalop ? mnode->_internalop : mnode->_opType; | |
375 } | |
376 return right; | |
377 } | |
378 | |
379 | |
380 //------------------------------check_optype----------------------------------- | |
381 void ArchDesc::check_optype(MatchRule *mrule) { | |
382 MatchRule *rule = mrule; | |
383 | |
384 // !!!!! | |
385 // // Cycle through the list of match rules | |
386 // while(mrule) { | |
387 // // Check for a filled in type field | |
388 // if (mrule->_opType == NULL) { | |
389 // const Form *form = operands[_result]; | |
390 // OpClassForm *opcForm = form ? form->is_opclass() : NULL; | |
391 // assert(opcForm != NULL, "Match Rule contains invalid operand name."); | |
392 // } | |
393 // char *opType = opcForm->_ident; | |
394 // } | |
395 } | |
396 | |
397 //------------------------------add_chain_rule_entry-------------------------- | |
398 void ArchDesc::add_chain_rule_entry(const char *src, const char *cost, | |
399 const char *result) { | |
400 // Look-up the operation in chain rule table | |
401 ChainList *lst = (ChainList *)_chainRules[src]; | |
402 if (lst == NULL) { | |
403 lst = new ChainList(); | |
404 _chainRules.Insert(src, lst); | |
405 } | |
406 if (!lst->search(result)) { | |
407 if (cost == NULL) { | |
408 cost = ((AttributeForm*)_globalNames[AttributeForm::_op_cost])->_attrdef; | |
409 } | |
410 lst->insert(result, cost, result); | |
411 } | |
412 } | |
413 | |
414 //------------------------------build_chain_rule------------------------------- | |
415 void ArchDesc::build_chain_rule(OperandForm *oper) { | |
416 MatchRule *rule; | |
417 | |
418 // Check for chain rules here | |
419 // If this is only a chain rule | |
420 if ((oper->_matrule) && (oper->_matrule->_lChild == NULL) && | |
421 (oper->_matrule->_rChild == NULL)) { | |
422 | |
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423 { |
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424 const Form *form = _globalNames[oper->_matrule->_opType]; |
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425 if ((form) && form->is_operand() && |
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426 (form->ideal_only() == false)) { |
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427 add_chain_rule_entry(oper->_matrule->_opType, oper->cost(), oper->_ident); |
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428 } |
0 | 429 } |
430 // Check for additional chain rules | |
431 if (oper->_matrule->_next) { | |
432 rule = oper->_matrule; | |
433 do { | |
434 rule = rule->_next; | |
435 // Any extra match rules after the first must be chain rules | |
436 const Form *form = _globalNames[rule->_opType]; | |
437 if ((form) && form->is_operand() && | |
438 (form->ideal_only() == false)) { | |
439 add_chain_rule_entry(rule->_opType, oper->cost(), oper->_ident); | |
440 } | |
441 } while(rule->_next != NULL); | |
442 } | |
443 } | |
444 else if ((oper->_matrule) && (oper->_matrule->_next)) { | |
445 // Regardles of whether the first matchrule is a chain rule, check the list | |
446 rule = oper->_matrule; | |
447 do { | |
448 rule = rule->_next; | |
449 // Any extra match rules after the first must be chain rules | |
450 const Form *form = _globalNames[rule->_opType]; | |
451 if ((form) && form->is_operand() && | |
452 (form->ideal_only() == false)) { | |
453 assert( oper->cost(), "This case expects NULL cost, not default cost"); | |
454 add_chain_rule_entry(rule->_opType, oper->cost(), oper->_ident); | |
455 } | |
456 } while(rule->_next != NULL); | |
457 } | |
458 | |
459 } | |
460 | |
461 //------------------------------buildMatchList--------------------------------- | |
462 // operands and instructions provide the result | |
463 void ArchDesc::buildMatchList(MatchRule *mrule, const char *resultStr, | |
464 const char *rootOp, Predicate *pred, | |
465 const char *cost) { | |
466 const char *leftstr, *rightstr; | |
467 MatchNode *mnode; | |
468 | |
469 leftstr = rightstr = NULL; | |
470 // Check for chain rule, and do not generate a match list for it | |
471 if ( mrule->is_chain_rule(_globalNames) ) { | |
472 return; | |
473 } | |
474 | |
475 // Identify index position among ideal operands | |
476 intptr_t index = _last_opcode; | |
477 const char *indexStr = getMatchListIndex(*mrule); | |
478 index = (intptr_t)_idealIndex[indexStr]; | |
479 if (index == 0) { | |
480 fprintf(stderr, "Ideal node missing: %s\n", indexStr); | |
481 assert(index != 0, "Failed lookup of ideal node\n"); | |
482 } | |
483 | |
484 // Check that this will be placed appropriately in the DFA | |
485 if (index >= _last_opcode) { | |
486 fprintf(stderr, "Invalid match rule %s <-- ( %s )\n", | |
487 resultStr ? resultStr : " ", | |
488 rootOp ? rootOp : " "); | |
489 assert(index < _last_opcode, "Matching item not in ideal graph\n"); | |
490 return; | |
491 } | |
492 | |
493 | |
494 // Walk the MatchRule, generating MatchList entries for each level | |
495 // of the rule (each nesting of parentheses) | |
496 // Check for "Set" | |
497 if (!strcmp(mrule->_opType, "Set")) { | |
498 mnode = mrule->_rChild; | |
499 buildMList(mnode, rootOp, resultStr, pred, cost); | |
500 return; | |
501 } | |
502 // Build MatchLists for children | |
503 // Check each child for an internal operand name, and use that name | |
504 // for the parent's matchlist entry if it exists | |
505 mnode = mrule->_lChild; | |
506 if (mnode) { | |
507 buildMList(mnode, NULL, NULL, NULL, NULL); | |
508 leftstr = mnode->_internalop ? mnode->_internalop : mnode->_opType; | |
509 } | |
510 mnode = mrule->_rChild; | |
511 if (mnode) { | |
512 buildMList(mnode, NULL, NULL, NULL, NULL); | |
513 rightstr = mnode->_internalop ? mnode->_internalop : mnode->_opType; | |
514 } | |
515 // Search for an identical matchlist entry already on the list | |
516 if ((_mlistab[index] == NULL) || | |
517 (_mlistab[index] && | |
518 !_mlistab[index]->search(rootOp, resultStr, leftstr, rightstr, pred))) { | |
519 // Place this match rule at front of list | |
520 MatchList *mList = | |
521 new MatchList(_mlistab[index], pred, cost, | |
522 rootOp, resultStr, leftstr, rightstr); | |
523 _mlistab[index] = mList; | |
524 } | |
525 } | |
526 | |
527 // Recursive call for construction of match lists | |
528 void ArchDesc::buildMList(MatchNode *node, const char *rootOp, | |
529 const char *resultOp, Predicate *pred, | |
530 const char *cost) { | |
531 const char *leftstr, *rightstr; | |
532 const char *resultop; | |
533 const char *opcode; | |
534 MatchNode *mnode; | |
535 Form *form; | |
536 | |
537 leftstr = rightstr = NULL; | |
538 // Do not process leaves of the Match Tree if they are not ideal | |
539 if ((node) && (node->_lChild == NULL) && (node->_rChild == NULL) && | |
540 ((form = (Form *)_globalNames[node->_opType]) != NULL) && | |
541 (!form->ideal_only())) { | |
542 return; | |
543 } | |
544 | |
545 // Identify index position among ideal operands | |
546 intptr_t index = _last_opcode; | |
547 const char *indexStr = node ? node->_opType : (char *) " "; | |
548 index = (intptr_t)_idealIndex[indexStr]; | |
549 if (index == 0) { | |
550 fprintf(stderr, "error: operand \"%s\" not found\n", indexStr); | |
551 assert(0, "fatal error"); | |
552 } | |
553 | |
554 // Build MatchLists for children | |
555 // Check each child for an internal operand name, and use that name | |
556 // for the parent's matchlist entry if it exists | |
557 mnode = node->_lChild; | |
558 if (mnode) { | |
559 buildMList(mnode, NULL, NULL, NULL, NULL); | |
560 leftstr = mnode->_internalop ? mnode->_internalop : mnode->_opType; | |
561 } | |
562 mnode = node->_rChild; | |
563 if (mnode) { | |
564 buildMList(mnode, NULL, NULL, NULL, NULL); | |
565 rightstr = mnode->_internalop ? mnode->_internalop : mnode->_opType; | |
566 } | |
567 // Grab the string for the opcode of this list entry | |
568 if (rootOp == NULL) { | |
569 opcode = (node->_internalop) ? node->_internalop : node->_opType; | |
570 } else { | |
571 opcode = rootOp; | |
572 } | |
573 // Grab the string for the result of this list entry | |
574 if (resultOp == NULL) { | |
575 resultop = (node->_internalop) ? node->_internalop : node->_opType; | |
576 } | |
577 else resultop = resultOp; | |
578 // Search for an identical matchlist entry already on the list | |
579 if ((_mlistab[index] == NULL) || (_mlistab[index] && | |
580 !_mlistab[index]->search(opcode, resultop, leftstr, rightstr, pred))) { | |
581 // Place this match rule at front of list | |
582 MatchList *mList = | |
583 new MatchList(_mlistab[index],pred,cost, | |
584 opcode, resultop, leftstr, rightstr); | |
585 _mlistab[index] = mList; | |
586 } | |
587 } | |
588 | |
589 // Count number of OperandForms defined | |
590 int ArchDesc::operandFormCount() { | |
591 // Only interested in ones with non-NULL match rule | |
592 int count = 0; _operands.reset(); | |
593 OperandForm *cur; | |
594 for( ; (cur = (OperandForm*)_operands.iter()) != NULL; ) { | |
595 if (cur->_matrule != NULL) ++count; | |
596 }; | |
597 return count; | |
598 } | |
599 | |
600 // Count number of OpClassForms defined | |
601 int ArchDesc::opclassFormCount() { | |
602 // Only interested in ones with non-NULL match rule | |
603 int count = 0; _operands.reset(); | |
604 OpClassForm *cur; | |
605 for( ; (cur = (OpClassForm*)_opclass.iter()) != NULL; ) { | |
606 ++count; | |
607 }; | |
608 return count; | |
609 } | |
610 | |
611 // Count number of InstructForms defined | |
612 int ArchDesc::instructFormCount() { | |
613 // Only interested in ones with non-NULL match rule | |
614 int count = 0; _instructions.reset(); | |
615 InstructForm *cur; | |
616 for( ; (cur = (InstructForm*)_instructions.iter()) != NULL; ) { | |
617 if (cur->_matrule != NULL) ++count; | |
618 }; | |
619 return count; | |
620 } | |
621 | |
622 | |
623 //------------------------------get_preproc_def-------------------------------- | |
624 // Return the textual binding for a given CPP flag name. | |
625 // Return NULL if there is no binding, or it has been #undef-ed. | |
626 char* ArchDesc::get_preproc_def(const char* flag) { | |
6850 | 627 // In case of syntax errors, flag may take the value NULL. |
628 SourceForm* deff = NULL; | |
629 if (flag != NULL) | |
630 deff = (SourceForm*) _preproc_table[flag]; | |
0 | 631 return (deff == NULL) ? NULL : deff->_code; |
632 } | |
633 | |
634 | |
635 //------------------------------set_preproc_def-------------------------------- | |
636 // Change or create a textual binding for a given CPP flag name. | |
637 // Giving NULL means the flag name is to be #undef-ed. | |
638 // In any case, _preproc_list collects all names either #defined or #undef-ed. | |
639 void ArchDesc::set_preproc_def(const char* flag, const char* def) { | |
640 SourceForm* deff = (SourceForm*) _preproc_table[flag]; | |
641 if (deff == NULL) { | |
642 deff = new SourceForm(NULL); | |
643 _preproc_table.Insert(flag, deff); | |
644 _preproc_list.addName(flag); // this supports iteration | |
645 } | |
646 deff->_code = (char*) def; | |
647 } | |
648 | |
649 | |
650 bool ArchDesc::verify() { | |
651 | |
652 if (_register) | |
653 assert( _register->verify(), "Register declarations failed verification"); | |
654 if (!_quiet_mode) | |
655 fprintf(stderr,"\n"); | |
656 // fprintf(stderr,"---------------------------- Verify Operands ---------------\n"); | |
657 // _operands.verify(); | |
658 // fprintf(stderr,"\n"); | |
659 // fprintf(stderr,"---------------------------- Verify Operand Classes --------\n"); | |
660 // _opclass.verify(); | |
661 // fprintf(stderr,"\n"); | |
662 // fprintf(stderr,"---------------------------- Verify Attributes ------------\n"); | |
663 // _attributes.verify(); | |
664 // fprintf(stderr,"\n"); | |
665 if (!_quiet_mode) | |
666 fprintf(stderr,"---------------------------- Verify Instructions ----------------------------\n"); | |
667 _instructions.verify(); | |
668 if (!_quiet_mode) | |
669 fprintf(stderr,"\n"); | |
670 // if ( _encode ) { | |
671 // fprintf(stderr,"---------------------------- Verify Encodings --------------\n"); | |
672 // _encode->verify(); | |
673 // } | |
674 | |
675 //if (_pipeline) _pipeline->verify(); | |
676 | |
677 return true; | |
678 } | |
679 | |
680 | |
681 void ArchDesc::dump() { | |
682 _pre_header.dump(); | |
683 _header.dump(); | |
684 _source.dump(); | |
685 if (_register) _register->dump(); | |
686 fprintf(stderr,"\n"); | |
687 fprintf(stderr,"------------------ Dump Operands ---------------------\n"); | |
688 _operands.dump(); | |
689 fprintf(stderr,"\n"); | |
690 fprintf(stderr,"------------------ Dump Operand Classes --------------\n"); | |
691 _opclass.dump(); | |
692 fprintf(stderr,"\n"); | |
693 fprintf(stderr,"------------------ Dump Attributes ------------------\n"); | |
694 _attributes.dump(); | |
695 fprintf(stderr,"\n"); | |
696 fprintf(stderr,"------------------ Dump Instructions -----------------\n"); | |
697 _instructions.dump(); | |
698 if ( _encode ) { | |
699 fprintf(stderr,"------------------ Dump Encodings --------------------\n"); | |
700 _encode->dump(); | |
701 } | |
702 if (_pipeline) _pipeline->dump(); | |
703 } | |
704 | |
705 | |
706 //------------------------------init_keywords---------------------------------- | |
707 // Load the kewords into the global name table | |
708 void ArchDesc::initKeywords(FormDict& names) { | |
709 // Insert keyword strings into Global Name Table. Keywords have a NULL value | |
710 // field for quick easy identification when checking identifiers. | |
711 names.Insert("instruct", NULL); | |
712 names.Insert("operand", NULL); | |
713 names.Insert("attribute", NULL); | |
714 names.Insert("source", NULL); | |
715 names.Insert("register", NULL); | |
716 names.Insert("pipeline", NULL); | |
717 names.Insert("constraint", NULL); | |
718 names.Insert("predicate", NULL); | |
719 names.Insert("encode", NULL); | |
720 names.Insert("enc_class", NULL); | |
721 names.Insert("interface", NULL); | |
722 names.Insert("opcode", NULL); | |
723 names.Insert("ins_encode", NULL); | |
724 names.Insert("match", NULL); | |
725 names.Insert("effect", NULL); | |
726 names.Insert("expand", NULL); | |
727 names.Insert("rewrite", NULL); | |
728 names.Insert("reg_def", NULL); | |
729 names.Insert("reg_class", NULL); | |
730 names.Insert("alloc_class", NULL); | |
731 names.Insert("resource", NULL); | |
732 names.Insert("pipe_class", NULL); | |
733 names.Insert("pipe_desc", NULL); | |
734 } | |
735 | |
736 | |
737 //------------------------------internal_err---------------------------------- | |
738 // Issue a parser error message, and skip to the end of the current line | |
739 void ArchDesc::internal_err(const char *fmt, ...) { | |
740 va_list args; | |
741 | |
742 va_start(args, fmt); | |
743 _internal_errs += emit_msg(0, INTERNAL_ERR, 0, fmt, args); | |
744 va_end(args); | |
745 | |
746 _no_output = 1; | |
747 } | |
748 | |
749 //------------------------------syntax_err---------------------------------- | |
750 // Issue a parser error message, and skip to the end of the current line | |
751 void ArchDesc::syntax_err(int lineno, const char *fmt, ...) { | |
752 va_list args; | |
753 | |
754 va_start(args, fmt); | |
755 _internal_errs += emit_msg(0, SYNERR, lineno, fmt, args); | |
756 va_end(args); | |
757 | |
758 _no_output = 1; | |
759 } | |
760 | |
761 //------------------------------emit_msg--------------------------------------- | |
762 // Emit a user message, typically a warning or error | |
763 int ArchDesc::emit_msg(int quiet, int flag, int line, const char *fmt, | |
764 va_list args) { | |
765 static int last_lineno = -1; | |
766 int i; | |
767 const char *pref; | |
768 | |
769 switch(flag) { | |
770 case 0: pref = "Warning: "; break; | |
771 case 1: pref = "Syntax Error: "; break; | |
772 case 2: pref = "Semantic Error: "; break; | |
773 case 3: pref = "Internal Error: "; break; | |
774 default: assert(0, ""); break; | |
775 } | |
776 | |
777 if (line == last_lineno) return 0; | |
778 last_lineno = line; | |
779 | |
780 if (!quiet) { /* no output if in quiet mode */ | |
781 i = fprintf(errfile, "%s(%d) ", _ADL_file._name, line); | |
782 while (i++ <= 15) fputc(' ', errfile); | |
783 fprintf(errfile, "%-8s:", pref); | |
784 vfprintf(errfile, fmt, args); | |
6850 | 785 fprintf(errfile, "\n"); |
786 fflush(errfile); | |
787 } | |
0 | 788 return 1; |
789 } | |
790 | |
791 | |
792 // --------------------------------------------------------------------------- | |
793 //--------Utilities to build mappings for machine registers ------------------ | |
794 // --------------------------------------------------------------------------- | |
795 | |
796 // Construct the name of the register mask. | |
797 static const char *getRegMask(const char *reg_class_name) { | |
798 if( reg_class_name == NULL ) return "RegMask::Empty"; | |
799 | |
800 if (strcmp(reg_class_name,"Universe")==0) { | |
801 return "RegMask::Empty"; | |
802 } else if (strcmp(reg_class_name,"stack_slots")==0) { | |
803 return "(Compile::current()->FIRST_STACK_mask())"; | |
804 } else { | |
805 char *rc_name = toUpper(reg_class_name); | |
806 const char *mask = "_mask"; | |
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807 int length = (int)strlen(rc_name) + (int)strlen(mask) + 5; |
0 | 808 char *regMask = new char[length]; |
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809 sprintf(regMask,"%s%s()", rc_name, mask); |
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810 delete[] rc_name; |
0 | 811 return regMask; |
812 } | |
813 } | |
814 | |
815 // Convert a register class name to its register mask. | |
816 const char *ArchDesc::reg_class_to_reg_mask(const char *rc_name) { | |
817 const char *reg_mask = "RegMask::Empty"; | |
818 | |
819 if( _register ) { | |
820 RegClass *reg_class = _register->getRegClass(rc_name); | |
821 if (reg_class == NULL) { | |
822 syntax_err(0, "Use of an undefined register class %s", rc_name); | |
823 return reg_mask; | |
824 } | |
825 | |
826 // Construct the name of the register mask. | |
827 reg_mask = getRegMask(rc_name); | |
828 } | |
829 | |
830 return reg_mask; | |
831 } | |
832 | |
833 | |
834 // Obtain the name of the RegMask for an OperandForm | |
835 const char *ArchDesc::reg_mask(OperandForm &opForm) { | |
836 const char *regMask = "RegMask::Empty"; | |
837 | |
838 // Check constraints on result's register class | |
839 const char *result_class = opForm.constrained_reg_class(); | |
6850 | 840 if (result_class == NULL) { |
841 opForm.dump(); | |
842 syntax_err(opForm._linenum, | |
843 "Use of an undefined result class for operand: %s", | |
844 opForm._ident); | |
845 abort(); | |
846 } | |
847 | |
0 | 848 regMask = reg_class_to_reg_mask( result_class ); |
849 | |
850 return regMask; | |
851 } | |
852 | |
853 // Obtain the name of the RegMask for an InstructForm | |
854 const char *ArchDesc::reg_mask(InstructForm &inForm) { | |
855 const char *result = inForm.reduce_result(); | |
6850 | 856 |
857 if (result == NULL) { | |
858 syntax_err(inForm._linenum, | |
859 "Did not find result operand or RegMask" | |
860 " for this instruction: %s", | |
861 inForm._ident); | |
862 abort(); | |
863 } | |
0 | 864 |
865 // Instructions producing 'Universe' use RegMask::Empty | |
866 if( strcmp(result,"Universe")==0 ) { | |
867 return "RegMask::Empty"; | |
868 } | |
869 | |
870 // Lookup this result operand and get its register class | |
871 Form *form = (Form*)_globalNames[result]; | |
6850 | 872 if (form == NULL) { |
873 syntax_err(inForm._linenum, | |
874 "Did not find result operand for result: %s", result); | |
875 abort(); | |
876 } | |
0 | 877 OperandForm *oper = form->is_operand(); |
6850 | 878 if (oper == NULL) { |
879 syntax_err(inForm._linenum, "Form is not an OperandForm:"); | |
880 form->dump(); | |
881 abort(); | |
882 } | |
0 | 883 return reg_mask( *oper ); |
884 } | |
885 | |
886 | |
887 // Obtain the STACK_OR_reg_mask name for an OperandForm | |
888 char *ArchDesc::stack_or_reg_mask(OperandForm &opForm) { | |
889 // name of cisc_spillable version | |
890 const char *reg_mask_name = reg_mask(opForm); | |
6850 | 891 |
892 if (reg_mask_name == NULL) { | |
893 syntax_err(opForm._linenum, | |
894 "Did not find reg_mask for opForm: %s", | |
895 opForm._ident); | |
896 abort(); | |
897 } | |
0 | 898 |
899 const char *stack_or = "STACK_OR_"; | |
900 int length = (int)strlen(stack_or) + (int)strlen(reg_mask_name) + 1; | |
901 char *result = new char[length]; | |
902 sprintf(result,"%s%s", stack_or, reg_mask_name); | |
903 | |
904 return result; | |
905 } | |
906 | |
907 // Record that the register class must generate a stack_or_reg_mask | |
908 void ArchDesc::set_stack_or_reg(const char *reg_class_name) { | |
909 if( _register ) { | |
910 RegClass *reg_class = _register->getRegClass(reg_class_name); | |
911 reg_class->_stack_or_reg = true; | |
912 } | |
913 } | |
914 | |
915 | |
916 // Return the type signature for the ideal operation | |
917 const char *ArchDesc::getIdealType(const char *idealOp) { | |
918 // Find last character in idealOp, it specifies the type | |
919 char last_char = 0; | |
920 const char *ptr = idealOp; | |
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921 for (; *ptr != '\0'; ++ptr) { |
0 | 922 last_char = *ptr; |
923 } | |
924 | |
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925 // Match Vector types. |
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926 if (strncmp(idealOp, "Vec",3)==0) { |
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927 switch(last_char) { |
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928 case 'S': return "TypeVect::VECTS"; |
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929 case 'D': return "TypeVect::VECTD"; |
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930 case 'X': return "TypeVect::VECTX"; |
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931 case 'Y': return "TypeVect::VECTY"; |
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932 default: |
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933 internal_err("Vector type %s with unrecognized type\n",idealOp); |
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934 } |
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935 } |
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936 |
0 | 937 // !!!!! |
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938 switch(last_char) { |
0 | 939 case 'I': return "TypeInt::INT"; |
940 case 'P': return "TypePtr::BOTTOM"; | |
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941 case 'N': return "TypeNarrowOop::BOTTOM"; |
0 | 942 case 'F': return "Type::FLOAT"; |
943 case 'D': return "Type::DOUBLE"; | |
944 case 'L': return "TypeLong::LONG"; | |
945 case 's': return "TypeInt::CC /*flags*/"; | |
946 default: | |
947 return NULL; | |
948 // !!!!! | |
949 // internal_err("Ideal type %s with unrecognized type\n",idealOp); | |
950 break; | |
951 } | |
952 | |
953 return NULL; | |
954 } | |
955 | |
956 | |
957 | |
958 OperandForm *ArchDesc::constructOperand(const char *ident, | |
959 bool ideal_only) { | |
960 OperandForm *opForm = new OperandForm(ident, ideal_only); | |
961 _globalNames.Insert(ident, opForm); | |
962 addForm(opForm); | |
963 | |
964 return opForm; | |
965 } | |
966 | |
967 | |
968 // Import predefined base types: Set = 1, RegI, RegP, ... | |
969 void ArchDesc::initBaseOpTypes() { | |
970 // Create OperandForm and assign type for each opcode. | |
971 for (int i = 1; i < _last_machine_leaf; ++i) { | |
972 char *ident = (char *)NodeClassNames[i]; | |
973 constructOperand(ident, true); | |
974 } | |
975 // Create InstructForm and assign type for each ideal instruction. | |
976 for ( int j = _last_machine_leaf+1; j < _last_opcode; ++j) { | |
977 char *ident = (char *)NodeClassNames[j]; | |
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978 if(!strcmp(ident, "ConI") || !strcmp(ident, "ConP") || |
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979 !strcmp(ident, "ConN") || !strcmp(ident, "ConNKlass") || |
0 | 980 !strcmp(ident, "ConF") || !strcmp(ident, "ConD") || |
981 !strcmp(ident, "ConL") || !strcmp(ident, "Con" ) || | |
982 !strcmp(ident, "Bool") ) { | |
983 constructOperand(ident, true); | |
984 } | |
985 else { | |
986 InstructForm *insForm = new InstructForm(ident, true); | |
987 // insForm->_opcode = nextUserOpType(ident); | |
988 _globalNames.Insert(ident,insForm); | |
989 addForm(insForm); | |
990 } | |
991 } | |
992 | |
993 { OperandForm *opForm; | |
994 // Create operand type "Universe" for return instructions. | |
995 const char *ident = "Universe"; | |
996 opForm = constructOperand(ident, false); | |
997 | |
998 // Create operand type "label" for branch targets | |
999 ident = "label"; | |
1000 opForm = constructOperand(ident, false); | |
1001 | |
1002 // !!!!! Update - when adding a new sReg/stackSlot type | |
1003 // Create operand types "sReg[IPFDL]" for stack slot registers | |
1004 opForm = constructOperand("sRegI", false); | |
1005 opForm->_constraint = new Constraint("ALLOC_IN_RC", "stack_slots"); | |
1006 opForm = constructOperand("sRegP", false); | |
1007 opForm->_constraint = new Constraint("ALLOC_IN_RC", "stack_slots"); | |
1008 opForm = constructOperand("sRegF", false); | |
1009 opForm->_constraint = new Constraint("ALLOC_IN_RC", "stack_slots"); | |
1010 opForm = constructOperand("sRegD", false); | |
1011 opForm->_constraint = new Constraint("ALLOC_IN_RC", "stack_slots"); | |
1012 opForm = constructOperand("sRegL", false); | |
1013 opForm->_constraint = new Constraint("ALLOC_IN_RC", "stack_slots"); | |
1014 | |
1015 // Create operand type "method" for call targets | |
1016 ident = "method"; | |
1017 opForm = constructOperand(ident, false); | |
1018 } | |
1019 | |
1020 // Create Effect Forms for each of the legal effects | |
1021 // USE, DEF, USE_DEF, KILL, USE_KILL | |
1022 { | |
1023 const char *ident = "USE"; | |
1024 Effect *eForm = new Effect(ident); | |
1025 _globalNames.Insert(ident, eForm); | |
1026 ident = "DEF"; | |
1027 eForm = new Effect(ident); | |
1028 _globalNames.Insert(ident, eForm); | |
1029 ident = "USE_DEF"; | |
1030 eForm = new Effect(ident); | |
1031 _globalNames.Insert(ident, eForm); | |
1032 ident = "KILL"; | |
1033 eForm = new Effect(ident); | |
1034 _globalNames.Insert(ident, eForm); | |
1035 ident = "USE_KILL"; | |
1036 eForm = new Effect(ident); | |
1037 _globalNames.Insert(ident, eForm); | |
1038 ident = "TEMP"; | |
1039 eForm = new Effect(ident); | |
1040 _globalNames.Insert(ident, eForm); | |
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1041 ident = "CALL"; |
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1042 eForm = new Effect(ident); |
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1043 _globalNames.Insert(ident, eForm); |
0 | 1044 } |
1045 | |
1046 // | |
1047 // Build mapping from ideal names to ideal indices | |
1048 int idealIndex = 0; | |
1049 for (idealIndex = 1; idealIndex < _last_machine_leaf; ++idealIndex) { | |
1050 const char *idealName = NodeClassNames[idealIndex]; | |
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1051 _idealIndex.Insert((void*) idealName, (void*) (intptr_t) idealIndex); |
0 | 1052 } |
1053 for ( idealIndex = _last_machine_leaf+1; | |
1054 idealIndex < _last_opcode; ++idealIndex) { | |
1055 const char *idealName = NodeClassNames[idealIndex]; | |
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1056 _idealIndex.Insert((void*) idealName, (void*) (intptr_t) idealIndex); |
0 | 1057 } |
1058 | |
1059 } | |
1060 | |
1061 | |
1062 //---------------------------addSUNcopyright------------------------------- | |
1063 // output SUN copyright info | |
1064 void ArchDesc::addSunCopyright(char* legal, int size, FILE *fp) { | |
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1065 size_t count = fwrite(legal, 1, size, fp); |
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1066 assert(count == (size_t) size, "copyright info truncated"); |
0 | 1067 fprintf(fp,"\n"); |
1068 fprintf(fp,"// Machine Generated File. Do Not Edit!\n"); | |
1069 fprintf(fp,"\n"); | |
1070 } | |
1071 | |
1072 | |
1972 | 1073 //---------------------------addIncludeGuardStart-------------------------- |
1074 // output the start of an include guard. | |
1075 void ArchDesc::addIncludeGuardStart(ADLFILE &adlfile, const char* guardString) { | |
0 | 1076 // Build #include lines |
1077 fprintf(adlfile._fp, "\n"); | |
1972 | 1078 fprintf(adlfile._fp, "#ifndef %s\n", guardString); |
1079 fprintf(adlfile._fp, "#define %s\n", guardString); | |
0 | 1080 fprintf(adlfile._fp, "\n"); |
1081 | |
1082 } | |
1083 | |
1972 | 1084 //---------------------------addIncludeGuardEnd-------------------------- |
1085 // output the end of an include guard. | |
1086 void ArchDesc::addIncludeGuardEnd(ADLFILE &adlfile, const char* guardString) { | |
1087 // Build #include lines | |
1088 fprintf(adlfile._fp, "\n"); | |
1089 fprintf(adlfile._fp, "#endif // %s\n", guardString); | |
1090 | |
1091 } | |
1092 | |
1093 //---------------------------addInclude-------------------------- | |
1094 // output the #include line for this file. | |
1095 void ArchDesc::addInclude(ADLFILE &adlfile, const char* fileName) { | |
1096 fprintf(adlfile._fp, "#include \"%s\"\n", fileName); | |
1097 | |
1098 } | |
1099 | |
1100 void ArchDesc::addInclude(ADLFILE &adlfile, const char* includeDir, const char* fileName) { | |
1101 fprintf(adlfile._fp, "#include \"%s/%s\"\n", includeDir, fileName); | |
1102 | |
1103 } | |
0 | 1104 |
1105 //---------------------------addPreprocessorChecks----------------------------- | |
1106 // Output C preprocessor code to verify the backend compilation environment. | |
1107 // The idea is to force code produced by "adlc -DHS64" to be compiled by a | |
1108 // command of the form "CC ... -DHS64 ...", so that any #ifdefs in the source | |
1109 // blocks select C code that is consistent with adlc's selections of AD code. | |
1110 void ArchDesc::addPreprocessorChecks(FILE *fp) { | |
1111 const char* flag; | |
1112 _preproc_list.reset(); | |
1113 if (_preproc_list.count() > 0 && !_preproc_list.current_is_signal()) { | |
1114 fprintf(fp, "// Check consistency of C++ compilation with ADLC options:\n"); | |
1115 } | |
1116 for (_preproc_list.reset(); (flag = _preproc_list.iter()) != NULL; ) { | |
1117 if (_preproc_list.current_is_signal()) break; | |
1118 char* def = get_preproc_def(flag); | |
1119 fprintf(fp, "// Check adlc "); | |
1120 if (def) | |
1121 fprintf(fp, "-D%s=%s\n", flag, def); | |
1122 else fprintf(fp, "-U%s\n", flag); | |
1123 fprintf(fp, "#%s %s\n", | |
1124 def ? "ifndef" : "ifdef", flag); | |
1125 fprintf(fp, "# error \"%s %s be defined\"\n", | |
1126 flag, def ? "must" : "must not"); | |
1127 fprintf(fp, "#endif // %s\n", flag); | |
1128 } | |
1129 } | |
1130 | |
1131 | |
1132 // Convert operand name into enum name | |
1133 const char *ArchDesc::machOperEnum(const char *opName) { | |
1134 return ArchDesc::getMachOperEnum(opName); | |
1135 } | |
1136 | |
1137 // Convert operand name into enum name | |
1138 const char *ArchDesc::getMachOperEnum(const char *opName) { | |
1139 return (opName ? toUpper(opName) : opName); | |
1140 } | |
1141 | |
1142 //---------------------------buildMustCloneMap----------------------------- | |
1143 // Flag cases when machine needs cloned values or instructions | |
1144 void ArchDesc::buildMustCloneMap(FILE *fp_hpp, FILE *fp_cpp) { | |
1145 // Build external declarations for mappings | |
1146 fprintf(fp_hpp, "// Mapping from machine-independent opcode to boolean\n"); | |
1147 fprintf(fp_hpp, "// Flag cases where machine needs cloned values or instructions\n"); | |
1148 fprintf(fp_hpp, "extern const char must_clone[];\n"); | |
1149 fprintf(fp_hpp, "\n"); | |
1150 | |
1151 // Build mapping from ideal names to ideal indices | |
1152 fprintf(fp_cpp, "\n"); | |
1153 fprintf(fp_cpp, "// Mapping from machine-independent opcode to boolean\n"); | |
1154 fprintf(fp_cpp, "const char must_clone[] = {\n"); | |
1155 for (int idealIndex = 0; idealIndex < _last_opcode; ++idealIndex) { | |
1156 int must_clone = 0; | |
1157 const char *idealName = NodeClassNames[idealIndex]; | |
1158 // Previously selected constants for cloning | |
1159 // !!!!! | |
1160 // These are the current machine-dependent clones | |
1161 if ( strcmp(idealName,"CmpI") == 0 | |
1162 || strcmp(idealName,"CmpU") == 0 | |
1163 || strcmp(idealName,"CmpP") == 0 | |
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1164 || strcmp(idealName,"CmpN") == 0 |
0 | 1165 || strcmp(idealName,"CmpL") == 0 |
1166 || strcmp(idealName,"CmpD") == 0 | |
1167 || strcmp(idealName,"CmpF") == 0 | |
1168 || strcmp(idealName,"FastLock") == 0 | |
1169 || strcmp(idealName,"FastUnlock") == 0 | |
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1170 || strcmp(idealName,"OverflowAddI") == 0 |
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1171 || strcmp(idealName,"OverflowAddL") == 0 |
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1172 || strcmp(idealName,"OverflowSubI") == 0 |
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1173 || strcmp(idealName,"OverflowSubL") == 0 |
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1174 || strcmp(idealName,"OverflowMulI") == 0 |
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1175 || strcmp(idealName,"OverflowMulL") == 0 |
0 | 1176 || strcmp(idealName,"Bool") == 0 |
1177 || strcmp(idealName,"Binary") == 0 ) { | |
1178 // Removed ConI from the must_clone list. CPUs that cannot use | |
1179 // large constants as immediates manifest the constant as an | |
1180 // instruction. The must_clone flag prevents the constant from | |
1181 // floating up out of loops. | |
1182 must_clone = 1; | |
1183 } | |
1184 fprintf(fp_cpp, " %d%s // %s: %d\n", must_clone, | |
1185 (idealIndex != (_last_opcode - 1)) ? "," : " // no trailing comma", | |
1186 idealName, idealIndex); | |
1187 } | |
1188 // Finish defining table | |
1189 fprintf(fp_cpp, "};\n"); | |
1190 } |