Mercurial > hg > graal-compiler
annotate src/share/vm/adlc/archDesc.cpp @ 1504:ae8f909e5fc7
6948602: Disable use of SSE4.2 in String.indexOf intrinsic until 6942326 is fixed
Summary: Disable the use of pcmpestri until it can be guaranteed that the load doesn't cross in to the uncommited space. See 6942326.
Reviewed-by: never, kvn
author | iveresov |
---|---|
date | Thu, 29 Apr 2010 17:53:58 -0700 |
parents | 5fdbe2cdf565 |
children | c18cbe5936b8 |
rev | line source |
---|---|
0 | 1 // |
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
475
diff
changeset
|
2 // Copyright 1997-2009 Sun Microsystems, Inc. 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 // | |
19 // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 // CA 95054 USA or visit www.sun.com if you need additional information or | |
21 // have any questions. | |
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 ----------------------------- | |
32 inline char toUpper(char lower) { | |
33 return (('a' <= lower && lower <= 'z') ? (lower + ('A'-'a')) : lower); | |
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 // Utilities to characterize effect statements | |
47 static bool is_def(int usedef) { | |
48 switch(usedef) { | |
49 case Component::DEF: | |
50 case Component::USE_DEF: return true; break; | |
51 } | |
52 return false; | |
53 } | |
54 | |
55 static bool is_use(int usedef) { | |
56 switch(usedef) { | |
57 case Component::USE: | |
58 case Component::USE_DEF: | |
59 case Component::USE_KILL: return true; break; | |
60 } | |
61 return false; | |
62 } | |
63 | |
64 static bool is_kill(int usedef) { | |
65 switch(usedef) { | |
66 case Component::KILL: | |
67 case Component::USE_KILL: return true; break; | |
68 } | |
69 return false; | |
70 } | |
71 | |
72 //---------------------------ChainList Methods------------------------------- | |
73 ChainList::ChainList() { | |
74 } | |
75 | |
76 void ChainList::insert(const char *name, const char *cost, const char *rule) { | |
77 _name.addName(name); | |
78 _cost.addName(cost); | |
79 _rule.addName(rule); | |
80 } | |
81 | |
82 bool ChainList::search(const char *name) { | |
83 return _name.search(name); | |
84 } | |
85 | |
86 void ChainList::reset() { | |
87 _name.reset(); | |
88 _cost.reset(); | |
89 _rule.reset(); | |
90 } | |
91 | |
92 bool ChainList::iter(const char * &name, const char * &cost, const char * &rule) { | |
93 bool notDone = false; | |
94 const char *n = _name.iter(); | |
95 const char *c = _cost.iter(); | |
96 const char *r = _rule.iter(); | |
97 | |
98 if (n && c && r) { | |
99 notDone = true; | |
100 name = n; | |
101 cost = c; | |
102 rule = r; | |
103 } | |
104 | |
105 return notDone; | |
106 } | |
107 | |
108 void ChainList::dump() { | |
109 output(stderr); | |
110 } | |
111 | |
112 void ChainList::output(FILE *fp) { | |
113 fprintf(fp, "\nChain Rules: output resets iterator\n"); | |
114 const char *cost = NULL; | |
115 const char *name = NULL; | |
116 const char *rule = NULL; | |
117 bool chains_exist = false; | |
118 for(reset(); (iter(name,cost,rule)) == true; ) { | |
119 fprintf(fp, "Chain to <%s> at cost #%s using %s_rule\n",name, cost ? cost : "0", rule); | |
120 // // Check for transitive chain rules | |
121 // Form *form = (Form *)_globalNames[rule]; | |
122 // if (form->is_instruction()) { | |
123 // // chain_rule(fp, indent, name, cost, rule); | |
124 // chain_rule(fp, indent, name, cost, rule); | |
125 // } | |
126 } | |
127 reset(); | |
128 if( ! chains_exist ) { | |
129 fprintf(fp, "No entries in this ChainList\n"); | |
130 } | |
131 } | |
132 | |
133 | |
134 //---------------------------MatchList Methods------------------------------- | |
135 bool MatchList::search(const char *opc, const char *res, const char *lch, | |
136 const char *rch, Predicate *pr) { | |
137 bool tmp = false; | |
138 if ((res == _resultStr) || (res && _resultStr && !strcmp(res, _resultStr))) { | |
139 if ((lch == _lchild) || (lch && _lchild && !strcmp(lch, _lchild))) { | |
140 if ((rch == _rchild) || (rch && _rchild && !strcmp(rch, _rchild))) { | |
141 char * predStr = get_pred(); | |
142 char * prStr = pr?pr->_pred:NULL; | |
475
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
433
diff
changeset
|
143 if (ADLParser::equivalent_expressions(prStr, predStr)) { |
0 | 144 return true; |
145 } | |
146 } | |
147 } | |
148 } | |
149 if (_next) { | |
150 tmp = _next->search(opc, res, lch, rch, pr); | |
151 } | |
152 return tmp; | |
153 } | |
154 | |
155 | |
156 void MatchList::dump() { | |
157 output(stderr); | |
158 } | |
159 | |
160 void MatchList::output(FILE *fp) { | |
161 fprintf(fp, "\nMatchList output is Unimplemented();\n"); | |
162 } | |
163 | |
164 | |
165 //---------------------------ArchDesc Constructor and Destructor------------- | |
166 | |
167 ArchDesc::ArchDesc() | |
168 : _globalNames(cmpstr,hashstr, Form::arena), | |
169 _globalDefs(cmpstr,hashstr, Form::arena), | |
170 _preproc_table(cmpstr,hashstr, Form::arena), | |
171 _idealIndex(cmpstr,hashstr, Form::arena), | |
172 _internalOps(cmpstr,hashstr, Form::arena), | |
173 _internalMatch(cmpstr,hashstr, Form::arena), | |
174 _chainRules(cmpstr,hashstr, Form::arena), | |
175 _cisc_spill_operand(NULL) { | |
176 | |
177 // Initialize the opcode to MatchList table with NULLs | |
178 for( int i=0; i<_last_opcode; ++i ) { | |
179 _mlistab[i] = NULL; | |
180 } | |
181 | |
182 // Set-up the global tables | |
183 initKeywords(_globalNames); // Initialize the Name Table with keywords | |
184 | |
185 // Prime user-defined types with predefined types: Set, RegI, RegF, ... | |
186 initBaseOpTypes(); | |
187 | |
188 // Initialize flags & counters | |
189 _TotalLines = 0; | |
190 _no_output = 0; | |
191 _quiet_mode = 0; | |
192 _disable_warnings = 0; | |
193 _dfa_debug = 0; | |
194 _dfa_small = 0; | |
195 _adl_debug = 0; | |
196 _adlocation_debug = 0; | |
197 _internalOpCounter = 0; | |
198 _cisc_spill_debug = false; | |
199 _short_branch_debug = false; | |
200 | |
201 // Initialize match rule flags | |
202 for (int i = 0; i < _last_opcode; i++) { | |
203 _has_match_rule[i] = false; | |
204 } | |
205 | |
206 // Error/Warning Counts | |
207 _syntax_errs = 0; | |
208 _semantic_errs = 0; | |
209 _warnings = 0; | |
210 _internal_errs = 0; | |
211 | |
212 // Initialize I/O Files | |
213 _ADL_file._name = NULL; _ADL_file._fp = NULL; | |
214 // Machine dependent output files | |
433
c1345e85f901
6767659: Conversion from i486 to x86 missed some entries in makefiles
kvn
parents:
196
diff
changeset
|
215 _DFA_file._name = NULL; _DFA_file._fp = NULL; |
c1345e85f901
6767659: Conversion from i486 to x86 missed some entries in makefiles
kvn
parents:
196
diff
changeset
|
216 _HPP_file._name = NULL; _HPP_file._fp = NULL; |
c1345e85f901
6767659: Conversion from i486 to x86 missed some entries in makefiles
kvn
parents:
196
diff
changeset
|
217 _CPP_file._name = NULL; _CPP_file._fp = NULL; |
0 | 218 _bug_file._name = "bugs.out"; _bug_file._fp = NULL; |
219 | |
220 // Initialize Register & Pipeline Form Pointers | |
221 _register = NULL; | |
222 _encode = NULL; | |
223 _pipeline = NULL; | |
224 } | |
225 | |
226 ArchDesc::~ArchDesc() { | |
227 // Clean-up and quit | |
228 | |
229 } | |
230 | |
231 //---------------------------ArchDesc methods: Public ---------------------- | |
232 // Store forms according to type | |
233 void ArchDesc::addForm(PreHeaderForm *ptr) { _pre_header.addForm(ptr); }; | |
234 void ArchDesc::addForm(HeaderForm *ptr) { _header.addForm(ptr); }; | |
235 void ArchDesc::addForm(SourceForm *ptr) { _source.addForm(ptr); }; | |
236 void ArchDesc::addForm(EncodeForm *ptr) { _encode = ptr; }; | |
237 void ArchDesc::addForm(InstructForm *ptr) { _instructions.addForm(ptr); }; | |
238 void ArchDesc::addForm(MachNodeForm *ptr) { _machnodes.addForm(ptr); }; | |
239 void ArchDesc::addForm(OperandForm *ptr) { _operands.addForm(ptr); }; | |
240 void ArchDesc::addForm(OpClassForm *ptr) { _opclass.addForm(ptr); }; | |
241 void ArchDesc::addForm(AttributeForm *ptr) { _attributes.addForm(ptr); }; | |
242 void ArchDesc::addForm(RegisterForm *ptr) { _register = ptr; }; | |
243 void ArchDesc::addForm(FrameForm *ptr) { _frame = ptr; }; | |
244 void ArchDesc::addForm(PipelineForm *ptr) { _pipeline = ptr; }; | |
245 | |
246 // Build MatchList array and construct MatchLists | |
247 void ArchDesc::generateMatchLists() { | |
248 // Call inspection routines to populate array | |
249 inspectOperands(); | |
250 inspectInstructions(); | |
251 } | |
252 | |
253 // Build MatchList structures for operands | |
254 void ArchDesc::inspectOperands() { | |
255 | |
256 // Iterate through all operands | |
257 _operands.reset(); | |
258 OperandForm *op; | |
259 for( ; (op = (OperandForm*)_operands.iter()) != NULL;) { | |
260 // Construct list of top-level operands (components) | |
261 op->build_components(); | |
262 | |
263 // Ensure that match field is defined. | |
264 if ( op->_matrule == NULL ) continue; | |
265 | |
266 // Type check match rules | |
267 check_optype(op->_matrule); | |
268 | |
269 // Construct chain rules | |
270 build_chain_rule(op); | |
271 | |
272 MatchRule &mrule = *op->_matrule; | |
273 Predicate *pred = op->_predicate; | |
274 | |
275 // Grab the machine type of the operand | |
276 const char *rootOp = op->_ident; | |
277 mrule._machType = rootOp; | |
278 | |
279 // Check for special cases | |
280 if (strcmp(rootOp,"Universe")==0) continue; | |
281 if (strcmp(rootOp,"label")==0) continue; | |
282 // !!!!! !!!!! | |
283 assert( strcmp(rootOp,"sReg") != 0, "Disable untyped 'sReg'"); | |
284 if (strcmp(rootOp,"sRegI")==0) continue; | |
285 if (strcmp(rootOp,"sRegP")==0) continue; | |
286 if (strcmp(rootOp,"sRegF")==0) continue; | |
287 if (strcmp(rootOp,"sRegD")==0) continue; | |
288 if (strcmp(rootOp,"sRegL")==0) continue; | |
289 | |
290 // Cost for this match | |
291 const char *costStr = op->cost(); | |
292 const char *defaultCost = | |
293 ((AttributeForm*)_globalNames[AttributeForm::_op_cost])->_attrdef; | |
294 const char *cost = costStr? costStr : defaultCost; | |
295 | |
296 // Find result type for match. | |
297 const char *result = op->reduce_result(); | |
298 bool has_root = false; | |
299 | |
300 // Construct a MatchList for this entry | |
301 buildMatchList(op->_matrule, result, rootOp, pred, cost); | |
302 } | |
303 } | |
304 | |
305 // Build MatchList structures for instructions | |
306 void ArchDesc::inspectInstructions() { | |
307 | |
308 // Iterate through all instructions | |
309 _instructions.reset(); | |
310 InstructForm *instr; | |
311 for( ; (instr = (InstructForm*)_instructions.iter()) != NULL; ) { | |
312 // Construct list of top-level operands (components) | |
313 instr->build_components(); | |
314 | |
315 // Ensure that match field is defined. | |
316 if ( instr->_matrule == NULL ) continue; | |
317 | |
318 MatchRule &mrule = *instr->_matrule; | |
319 Predicate *pred = instr->build_predicate(); | |
320 | |
321 // Grab the machine type of the operand | |
322 const char *rootOp = instr->_ident; | |
323 mrule._machType = rootOp; | |
324 | |
325 // Cost for this match | |
326 const char *costStr = instr->cost(); | |
327 const char *defaultCost = | |
328 ((AttributeForm*)_globalNames[AttributeForm::_ins_cost])->_attrdef; | |
329 const char *cost = costStr? costStr : defaultCost; | |
330 | |
331 // Find result type for match | |
332 const char *result = instr->reduce_result(); | |
333 | |
334 Attribute *attr = instr->_attribs; | |
335 while (attr != NULL) { | |
336 if (strcmp(attr->_ident,"ins_short_branch") == 0 && | |
337 attr->int_val(*this) != 0) { | |
338 instr->set_short_branch(true); | |
339 } else if (strcmp(attr->_ident,"ins_alignment") == 0 && | |
340 attr->int_val(*this) != 0) { | |
341 instr->set_alignment(attr->int_val(*this)); | |
342 } | |
343 attr = (Attribute *)attr->_next; | |
344 } | |
345 | |
346 if (!instr->is_short_branch()) { | |
347 buildMatchList(instr->_matrule, result, mrule._machType, pred, cost); | |
348 } | |
349 } | |
350 } | |
351 | |
352 static int setsResult(MatchRule &mrule) { | |
353 if (strcmp(mrule._name,"Set") == 0) return 1; | |
354 return 0; | |
355 } | |
356 | |
357 const char *ArchDesc::getMatchListIndex(MatchRule &mrule) { | |
358 if (setsResult(mrule)) { | |
359 // right child | |
360 return mrule._rChild->_opType; | |
361 } else { | |
362 // first entry | |
363 return mrule._opType; | |
364 } | |
365 } | |
366 | |
367 | |
368 //------------------------------result of reduction---------------------------- | |
369 | |
370 | |
371 //------------------------------left reduction--------------------------------- | |
372 // Return the left reduction associated with an internal name | |
373 const char *ArchDesc::reduceLeft(char *internalName) { | |
374 const char *left = NULL; | |
375 MatchNode *mnode = (MatchNode*)_internalMatch[internalName]; | |
376 if (mnode->_lChild) { | |
377 mnode = mnode->_lChild; | |
378 left = mnode->_internalop ? mnode->_internalop : mnode->_opType; | |
379 } | |
380 return left; | |
381 } | |
382 | |
383 | |
384 //------------------------------right reduction-------------------------------- | |
385 const char *ArchDesc::reduceRight(char *internalName) { | |
386 const char *right = NULL; | |
387 MatchNode *mnode = (MatchNode*)_internalMatch[internalName]; | |
388 if (mnode->_rChild) { | |
389 mnode = mnode->_rChild; | |
390 right = mnode->_internalop ? mnode->_internalop : mnode->_opType; | |
391 } | |
392 return right; | |
393 } | |
394 | |
395 | |
396 //------------------------------check_optype----------------------------------- | |
397 void ArchDesc::check_optype(MatchRule *mrule) { | |
398 MatchRule *rule = mrule; | |
399 | |
400 // !!!!! | |
401 // // Cycle through the list of match rules | |
402 // while(mrule) { | |
403 // // Check for a filled in type field | |
404 // if (mrule->_opType == NULL) { | |
405 // const Form *form = operands[_result]; | |
406 // OpClassForm *opcForm = form ? form->is_opclass() : NULL; | |
407 // assert(opcForm != NULL, "Match Rule contains invalid operand name."); | |
408 // } | |
409 // char *opType = opcForm->_ident; | |
410 // } | |
411 } | |
412 | |
413 //------------------------------add_chain_rule_entry-------------------------- | |
414 void ArchDesc::add_chain_rule_entry(const char *src, const char *cost, | |
415 const char *result) { | |
416 // Look-up the operation in chain rule table | |
417 ChainList *lst = (ChainList *)_chainRules[src]; | |
418 if (lst == NULL) { | |
419 lst = new ChainList(); | |
420 _chainRules.Insert(src, lst); | |
421 } | |
422 if (!lst->search(result)) { | |
423 if (cost == NULL) { | |
424 cost = ((AttributeForm*)_globalNames[AttributeForm::_op_cost])->_attrdef; | |
425 } | |
426 lst->insert(result, cost, result); | |
427 } | |
428 } | |
429 | |
430 //------------------------------build_chain_rule------------------------------- | |
431 void ArchDesc::build_chain_rule(OperandForm *oper) { | |
432 MatchRule *rule; | |
433 | |
434 // Check for chain rules here | |
435 // If this is only a chain rule | |
436 if ((oper->_matrule) && (oper->_matrule->_lChild == NULL) && | |
437 (oper->_matrule->_rChild == NULL)) { | |
438 | |
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
475
diff
changeset
|
439 { |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
475
diff
changeset
|
440 const Form *form = _globalNames[oper->_matrule->_opType]; |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
475
diff
changeset
|
441 if ((form) && form->is_operand() && |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
475
diff
changeset
|
442 (form->ideal_only() == false)) { |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
475
diff
changeset
|
443 add_chain_rule_entry(oper->_matrule->_opType, oper->cost(), oper->_ident); |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
475
diff
changeset
|
444 } |
0 | 445 } |
446 // Check for additional chain rules | |
447 if (oper->_matrule->_next) { | |
448 rule = oper->_matrule; | |
449 do { | |
450 rule = rule->_next; | |
451 // Any extra match rules after the first must be chain rules | |
452 const Form *form = _globalNames[rule->_opType]; | |
453 if ((form) && form->is_operand() && | |
454 (form->ideal_only() == false)) { | |
455 add_chain_rule_entry(rule->_opType, oper->cost(), oper->_ident); | |
456 } | |
457 } while(rule->_next != NULL); | |
458 } | |
459 } | |
460 else if ((oper->_matrule) && (oper->_matrule->_next)) { | |
461 // Regardles of whether the first matchrule is a chain rule, check the list | |
462 rule = oper->_matrule; | |
463 do { | |
464 rule = rule->_next; | |
465 // Any extra match rules after the first must be chain rules | |
466 const Form *form = _globalNames[rule->_opType]; | |
467 if ((form) && form->is_operand() && | |
468 (form->ideal_only() == false)) { | |
469 assert( oper->cost(), "This case expects NULL cost, not default cost"); | |
470 add_chain_rule_entry(rule->_opType, oper->cost(), oper->_ident); | |
471 } | |
472 } while(rule->_next != NULL); | |
473 } | |
474 | |
475 } | |
476 | |
477 //------------------------------buildMatchList--------------------------------- | |
478 // operands and instructions provide the result | |
479 void ArchDesc::buildMatchList(MatchRule *mrule, const char *resultStr, | |
480 const char *rootOp, Predicate *pred, | |
481 const char *cost) { | |
482 const char *leftstr, *rightstr; | |
483 MatchNode *mnode; | |
484 | |
485 leftstr = rightstr = NULL; | |
486 // Check for chain rule, and do not generate a match list for it | |
487 if ( mrule->is_chain_rule(_globalNames) ) { | |
488 return; | |
489 } | |
490 | |
491 // Identify index position among ideal operands | |
492 intptr_t index = _last_opcode; | |
493 const char *indexStr = getMatchListIndex(*mrule); | |
494 index = (intptr_t)_idealIndex[indexStr]; | |
495 if (index == 0) { | |
496 fprintf(stderr, "Ideal node missing: %s\n", indexStr); | |
497 assert(index != 0, "Failed lookup of ideal node\n"); | |
498 } | |
499 | |
500 // Check that this will be placed appropriately in the DFA | |
501 if (index >= _last_opcode) { | |
502 fprintf(stderr, "Invalid match rule %s <-- ( %s )\n", | |
503 resultStr ? resultStr : " ", | |
504 rootOp ? rootOp : " "); | |
505 assert(index < _last_opcode, "Matching item not in ideal graph\n"); | |
506 return; | |
507 } | |
508 | |
509 | |
510 // Walk the MatchRule, generating MatchList entries for each level | |
511 // of the rule (each nesting of parentheses) | |
512 // Check for "Set" | |
513 if (!strcmp(mrule->_opType, "Set")) { | |
514 mnode = mrule->_rChild; | |
515 buildMList(mnode, rootOp, resultStr, pred, cost); | |
516 return; | |
517 } | |
518 // Build MatchLists for children | |
519 // Check each child for an internal operand name, and use that name | |
520 // for the parent's matchlist entry if it exists | |
521 mnode = mrule->_lChild; | |
522 if (mnode) { | |
523 buildMList(mnode, NULL, NULL, NULL, NULL); | |
524 leftstr = mnode->_internalop ? mnode->_internalop : mnode->_opType; | |
525 } | |
526 mnode = mrule->_rChild; | |
527 if (mnode) { | |
528 buildMList(mnode, NULL, NULL, NULL, NULL); | |
529 rightstr = mnode->_internalop ? mnode->_internalop : mnode->_opType; | |
530 } | |
531 // Search for an identical matchlist entry already on the list | |
532 if ((_mlistab[index] == NULL) || | |
533 (_mlistab[index] && | |
534 !_mlistab[index]->search(rootOp, resultStr, leftstr, rightstr, pred))) { | |
535 // Place this match rule at front of list | |
536 MatchList *mList = | |
537 new MatchList(_mlistab[index], pred, cost, | |
538 rootOp, resultStr, leftstr, rightstr); | |
539 _mlistab[index] = mList; | |
540 } | |
541 } | |
542 | |
543 // Recursive call for construction of match lists | |
544 void ArchDesc::buildMList(MatchNode *node, const char *rootOp, | |
545 const char *resultOp, Predicate *pred, | |
546 const char *cost) { | |
547 const char *leftstr, *rightstr; | |
548 const char *resultop; | |
549 const char *opcode; | |
550 MatchNode *mnode; | |
551 Form *form; | |
552 | |
553 leftstr = rightstr = NULL; | |
554 // Do not process leaves of the Match Tree if they are not ideal | |
555 if ((node) && (node->_lChild == NULL) && (node->_rChild == NULL) && | |
556 ((form = (Form *)_globalNames[node->_opType]) != NULL) && | |
557 (!form->ideal_only())) { | |
558 return; | |
559 } | |
560 | |
561 // Identify index position among ideal operands | |
562 intptr_t index = _last_opcode; | |
563 const char *indexStr = node ? node->_opType : (char *) " "; | |
564 index = (intptr_t)_idealIndex[indexStr]; | |
565 if (index == 0) { | |
566 fprintf(stderr, "error: operand \"%s\" not found\n", indexStr); | |
567 assert(0, "fatal error"); | |
568 } | |
569 | |
570 // Build MatchLists for children | |
571 // Check each child for an internal operand name, and use that name | |
572 // for the parent's matchlist entry if it exists | |
573 mnode = node->_lChild; | |
574 if (mnode) { | |
575 buildMList(mnode, NULL, NULL, NULL, NULL); | |
576 leftstr = mnode->_internalop ? mnode->_internalop : mnode->_opType; | |
577 } | |
578 mnode = node->_rChild; | |
579 if (mnode) { | |
580 buildMList(mnode, NULL, NULL, NULL, NULL); | |
581 rightstr = mnode->_internalop ? mnode->_internalop : mnode->_opType; | |
582 } | |
583 // Grab the string for the opcode of this list entry | |
584 if (rootOp == NULL) { | |
585 opcode = (node->_internalop) ? node->_internalop : node->_opType; | |
586 } else { | |
587 opcode = rootOp; | |
588 } | |
589 // Grab the string for the result of this list entry | |
590 if (resultOp == NULL) { | |
591 resultop = (node->_internalop) ? node->_internalop : node->_opType; | |
592 } | |
593 else resultop = resultOp; | |
594 // Search for an identical matchlist entry already on the list | |
595 if ((_mlistab[index] == NULL) || (_mlistab[index] && | |
596 !_mlistab[index]->search(opcode, resultop, leftstr, rightstr, pred))) { | |
597 // Place this match rule at front of list | |
598 MatchList *mList = | |
599 new MatchList(_mlistab[index],pred,cost, | |
600 opcode, resultop, leftstr, rightstr); | |
601 _mlistab[index] = mList; | |
602 } | |
603 } | |
604 | |
605 // Count number of OperandForms defined | |
606 int ArchDesc::operandFormCount() { | |
607 // Only interested in ones with non-NULL match rule | |
608 int count = 0; _operands.reset(); | |
609 OperandForm *cur; | |
610 for( ; (cur = (OperandForm*)_operands.iter()) != NULL; ) { | |
611 if (cur->_matrule != NULL) ++count; | |
612 }; | |
613 return count; | |
614 } | |
615 | |
616 // Count number of OpClassForms defined | |
617 int ArchDesc::opclassFormCount() { | |
618 // Only interested in ones with non-NULL match rule | |
619 int count = 0; _operands.reset(); | |
620 OpClassForm *cur; | |
621 for( ; (cur = (OpClassForm*)_opclass.iter()) != NULL; ) { | |
622 ++count; | |
623 }; | |
624 return count; | |
625 } | |
626 | |
627 // Count number of InstructForms defined | |
628 int ArchDesc::instructFormCount() { | |
629 // Only interested in ones with non-NULL match rule | |
630 int count = 0; _instructions.reset(); | |
631 InstructForm *cur; | |
632 for( ; (cur = (InstructForm*)_instructions.iter()) != NULL; ) { | |
633 if (cur->_matrule != NULL) ++count; | |
634 }; | |
635 return count; | |
636 } | |
637 | |
638 | |
639 //------------------------------get_preproc_def-------------------------------- | |
640 // Return the textual binding for a given CPP flag name. | |
641 // Return NULL if there is no binding, or it has been #undef-ed. | |
642 char* ArchDesc::get_preproc_def(const char* flag) { | |
643 SourceForm* deff = (SourceForm*) _preproc_table[flag]; | |
644 return (deff == NULL) ? NULL : deff->_code; | |
645 } | |
646 | |
647 | |
648 //------------------------------set_preproc_def-------------------------------- | |
649 // Change or create a textual binding for a given CPP flag name. | |
650 // Giving NULL means the flag name is to be #undef-ed. | |
651 // In any case, _preproc_list collects all names either #defined or #undef-ed. | |
652 void ArchDesc::set_preproc_def(const char* flag, const char* def) { | |
653 SourceForm* deff = (SourceForm*) _preproc_table[flag]; | |
654 if (deff == NULL) { | |
655 deff = new SourceForm(NULL); | |
656 _preproc_table.Insert(flag, deff); | |
657 _preproc_list.addName(flag); // this supports iteration | |
658 } | |
659 deff->_code = (char*) def; | |
660 } | |
661 | |
662 | |
663 bool ArchDesc::verify() { | |
664 | |
665 if (_register) | |
666 assert( _register->verify(), "Register declarations failed verification"); | |
667 if (!_quiet_mode) | |
668 fprintf(stderr,"\n"); | |
669 // fprintf(stderr,"---------------------------- Verify Operands ---------------\n"); | |
670 // _operands.verify(); | |
671 // fprintf(stderr,"\n"); | |
672 // fprintf(stderr,"---------------------------- Verify Operand Classes --------\n"); | |
673 // _opclass.verify(); | |
674 // fprintf(stderr,"\n"); | |
675 // fprintf(stderr,"---------------------------- Verify Attributes ------------\n"); | |
676 // _attributes.verify(); | |
677 // fprintf(stderr,"\n"); | |
678 if (!_quiet_mode) | |
679 fprintf(stderr,"---------------------------- Verify Instructions ----------------------------\n"); | |
680 _instructions.verify(); | |
681 if (!_quiet_mode) | |
682 fprintf(stderr,"\n"); | |
683 // if ( _encode ) { | |
684 // fprintf(stderr,"---------------------------- Verify Encodings --------------\n"); | |
685 // _encode->verify(); | |
686 // } | |
687 | |
688 //if (_pipeline) _pipeline->verify(); | |
689 | |
690 return true; | |
691 } | |
692 | |
693 | |
694 void ArchDesc::dump() { | |
695 _pre_header.dump(); | |
696 _header.dump(); | |
697 _source.dump(); | |
698 if (_register) _register->dump(); | |
699 fprintf(stderr,"\n"); | |
700 fprintf(stderr,"------------------ Dump Operands ---------------------\n"); | |
701 _operands.dump(); | |
702 fprintf(stderr,"\n"); | |
703 fprintf(stderr,"------------------ Dump Operand Classes --------------\n"); | |
704 _opclass.dump(); | |
705 fprintf(stderr,"\n"); | |
706 fprintf(stderr,"------------------ Dump Attributes ------------------\n"); | |
707 _attributes.dump(); | |
708 fprintf(stderr,"\n"); | |
709 fprintf(stderr,"------------------ Dump Instructions -----------------\n"); | |
710 _instructions.dump(); | |
711 if ( _encode ) { | |
712 fprintf(stderr,"------------------ Dump Encodings --------------------\n"); | |
713 _encode->dump(); | |
714 } | |
715 if (_pipeline) _pipeline->dump(); | |
716 } | |
717 | |
718 | |
719 //------------------------------init_keywords---------------------------------- | |
720 // Load the kewords into the global name table | |
721 void ArchDesc::initKeywords(FormDict& names) { | |
722 // Insert keyword strings into Global Name Table. Keywords have a NULL value | |
723 // field for quick easy identification when checking identifiers. | |
724 names.Insert("instruct", NULL); | |
725 names.Insert("operand", NULL); | |
726 names.Insert("attribute", NULL); | |
727 names.Insert("source", NULL); | |
728 names.Insert("register", NULL); | |
729 names.Insert("pipeline", NULL); | |
730 names.Insert("constraint", NULL); | |
731 names.Insert("predicate", NULL); | |
732 names.Insert("encode", NULL); | |
733 names.Insert("enc_class", NULL); | |
734 names.Insert("interface", NULL); | |
735 names.Insert("opcode", NULL); | |
736 names.Insert("ins_encode", NULL); | |
737 names.Insert("match", NULL); | |
738 names.Insert("effect", NULL); | |
739 names.Insert("expand", NULL); | |
740 names.Insert("rewrite", NULL); | |
741 names.Insert("reg_def", NULL); | |
742 names.Insert("reg_class", NULL); | |
743 names.Insert("alloc_class", NULL); | |
744 names.Insert("resource", NULL); | |
745 names.Insert("pipe_class", NULL); | |
746 names.Insert("pipe_desc", NULL); | |
747 } | |
748 | |
749 | |
750 //------------------------------internal_err---------------------------------- | |
751 // Issue a parser error message, and skip to the end of the current line | |
752 void ArchDesc::internal_err(const char *fmt, ...) { | |
753 va_list args; | |
754 | |
755 va_start(args, fmt); | |
756 _internal_errs += emit_msg(0, INTERNAL_ERR, 0, fmt, args); | |
757 va_end(args); | |
758 | |
759 _no_output = 1; | |
760 } | |
761 | |
762 //------------------------------syntax_err---------------------------------- | |
763 // Issue a parser error message, and skip to the end of the current line | |
764 void ArchDesc::syntax_err(int lineno, const char *fmt, ...) { | |
765 va_list args; | |
766 | |
767 va_start(args, fmt); | |
768 _internal_errs += emit_msg(0, SYNERR, lineno, fmt, args); | |
769 va_end(args); | |
770 | |
771 _no_output = 1; | |
772 } | |
773 | |
774 //------------------------------emit_msg--------------------------------------- | |
775 // Emit a user message, typically a warning or error | |
776 int ArchDesc::emit_msg(int quiet, int flag, int line, const char *fmt, | |
777 va_list args) { | |
778 static int last_lineno = -1; | |
779 int i; | |
780 const char *pref; | |
781 | |
782 switch(flag) { | |
783 case 0: pref = "Warning: "; break; | |
784 case 1: pref = "Syntax Error: "; break; | |
785 case 2: pref = "Semantic Error: "; break; | |
786 case 3: pref = "Internal Error: "; break; | |
787 default: assert(0, ""); break; | |
788 } | |
789 | |
790 if (line == last_lineno) return 0; | |
791 last_lineno = line; | |
792 | |
793 if (!quiet) { /* no output if in quiet mode */ | |
794 i = fprintf(errfile, "%s(%d) ", _ADL_file._name, line); | |
795 while (i++ <= 15) fputc(' ', errfile); | |
796 fprintf(errfile, "%-8s:", pref); | |
797 vfprintf(errfile, fmt, args); | |
798 fprintf(errfile, "\n"); } | |
799 return 1; | |
800 } | |
801 | |
802 | |
803 // --------------------------------------------------------------------------- | |
804 //--------Utilities to build mappings for machine registers ------------------ | |
805 // --------------------------------------------------------------------------- | |
806 | |
807 // Construct the name of the register mask. | |
808 static const char *getRegMask(const char *reg_class_name) { | |
809 if( reg_class_name == NULL ) return "RegMask::Empty"; | |
810 | |
811 if (strcmp(reg_class_name,"Universe")==0) { | |
812 return "RegMask::Empty"; | |
813 } else if (strcmp(reg_class_name,"stack_slots")==0) { | |
814 return "(Compile::current()->FIRST_STACK_mask())"; | |
815 } else { | |
816 char *rc_name = toUpper(reg_class_name); | |
817 const char *mask = "_mask"; | |
818 int length = (int)strlen(rc_name) + (int)strlen(mask) + 3; | |
819 char *regMask = new char[length]; | |
820 sprintf(regMask,"%s%s", rc_name, mask); | |
821 return regMask; | |
822 } | |
823 } | |
824 | |
825 // Convert a register class name to its register mask. | |
826 const char *ArchDesc::reg_class_to_reg_mask(const char *rc_name) { | |
827 const char *reg_mask = "RegMask::Empty"; | |
828 | |
829 if( _register ) { | |
830 RegClass *reg_class = _register->getRegClass(rc_name); | |
831 if (reg_class == NULL) { | |
832 syntax_err(0, "Use of an undefined register class %s", rc_name); | |
833 return reg_mask; | |
834 } | |
835 | |
836 // Construct the name of the register mask. | |
837 reg_mask = getRegMask(rc_name); | |
838 } | |
839 | |
840 return reg_mask; | |
841 } | |
842 | |
843 | |
844 // Obtain the name of the RegMask for an OperandForm | |
845 const char *ArchDesc::reg_mask(OperandForm &opForm) { | |
846 const char *regMask = "RegMask::Empty"; | |
847 | |
848 // Check constraints on result's register class | |
849 const char *result_class = opForm.constrained_reg_class(); | |
850 if (!result_class) opForm.dump(); | |
851 assert( result_class, "Resulting register class was not defined for operand"); | |
852 regMask = reg_class_to_reg_mask( result_class ); | |
853 | |
854 return regMask; | |
855 } | |
856 | |
857 // Obtain the name of the RegMask for an InstructForm | |
858 const char *ArchDesc::reg_mask(InstructForm &inForm) { | |
859 const char *result = inForm.reduce_result(); | |
860 assert( result, | |
861 "Did not find result operand or RegMask for this instruction"); | |
862 | |
863 // Instructions producing 'Universe' use RegMask::Empty | |
864 if( strcmp(result,"Universe")==0 ) { | |
865 return "RegMask::Empty"; | |
866 } | |
867 | |
868 // Lookup this result operand and get its register class | |
869 Form *form = (Form*)_globalNames[result]; | |
870 assert( form, "Result operand must be defined"); | |
871 OperandForm *oper = form->is_operand(); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
872 if (oper == NULL) form->dump(); |
0 | 873 assert( oper, "Result must be an OperandForm"); |
874 return reg_mask( *oper ); | |
875 } | |
876 | |
877 | |
878 // Obtain the STACK_OR_reg_mask name for an OperandForm | |
879 char *ArchDesc::stack_or_reg_mask(OperandForm &opForm) { | |
880 // name of cisc_spillable version | |
881 const char *reg_mask_name = reg_mask(opForm); | |
882 assert( reg_mask_name != NULL, "called with incorrect opForm"); | |
883 | |
884 const char *stack_or = "STACK_OR_"; | |
885 int length = (int)strlen(stack_or) + (int)strlen(reg_mask_name) + 1; | |
886 char *result = new char[length]; | |
887 sprintf(result,"%s%s", stack_or, reg_mask_name); | |
888 | |
889 return result; | |
890 } | |
891 | |
892 // Record that the register class must generate a stack_or_reg_mask | |
893 void ArchDesc::set_stack_or_reg(const char *reg_class_name) { | |
894 if( _register ) { | |
895 RegClass *reg_class = _register->getRegClass(reg_class_name); | |
896 reg_class->_stack_or_reg = true; | |
897 } | |
898 } | |
899 | |
900 | |
901 // Return the type signature for the ideal operation | |
902 const char *ArchDesc::getIdealType(const char *idealOp) { | |
903 // Find last character in idealOp, it specifies the type | |
904 char last_char = 0; | |
905 const char *ptr = idealOp; | |
906 for( ; *ptr != '\0'; ++ptr) { | |
907 last_char = *ptr; | |
908 } | |
909 | |
910 // !!!!! | |
911 switch( last_char ) { | |
912 case 'I': return "TypeInt::INT"; | |
913 case 'P': return "TypePtr::BOTTOM"; | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
914 case 'N': return "TypeNarrowOop::BOTTOM"; |
0 | 915 case 'F': return "Type::FLOAT"; |
916 case 'D': return "Type::DOUBLE"; | |
917 case 'L': return "TypeLong::LONG"; | |
918 case 's': return "TypeInt::CC /*flags*/"; | |
919 default: | |
920 return NULL; | |
921 // !!!!! | |
922 // internal_err("Ideal type %s with unrecognized type\n",idealOp); | |
923 break; | |
924 } | |
925 | |
926 return NULL; | |
927 } | |
928 | |
929 | |
930 | |
931 OperandForm *ArchDesc::constructOperand(const char *ident, | |
932 bool ideal_only) { | |
933 OperandForm *opForm = new OperandForm(ident, ideal_only); | |
934 _globalNames.Insert(ident, opForm); | |
935 addForm(opForm); | |
936 | |
937 return opForm; | |
938 } | |
939 | |
940 | |
941 // Import predefined base types: Set = 1, RegI, RegP, ... | |
942 void ArchDesc::initBaseOpTypes() { | |
943 // Create OperandForm and assign type for each opcode. | |
944 for (int i = 1; i < _last_machine_leaf; ++i) { | |
945 char *ident = (char *)NodeClassNames[i]; | |
946 constructOperand(ident, true); | |
947 } | |
948 // Create InstructForm and assign type for each ideal instruction. | |
949 for ( int j = _last_machine_leaf+1; j < _last_opcode; ++j) { | |
950 char *ident = (char *)NodeClassNames[j]; | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
951 if(!strcmp(ident, "ConI") || !strcmp(ident, "ConP") || !strcmp(ident, "ConN") || |
0 | 952 !strcmp(ident, "ConF") || !strcmp(ident, "ConD") || |
953 !strcmp(ident, "ConL") || !strcmp(ident, "Con" ) || | |
954 !strcmp(ident, "Bool") ) { | |
955 constructOperand(ident, true); | |
956 } | |
957 else { | |
958 InstructForm *insForm = new InstructForm(ident, true); | |
959 // insForm->_opcode = nextUserOpType(ident); | |
960 _globalNames.Insert(ident,insForm); | |
961 addForm(insForm); | |
962 } | |
963 } | |
964 | |
965 { OperandForm *opForm; | |
966 // Create operand type "Universe" for return instructions. | |
967 const char *ident = "Universe"; | |
968 opForm = constructOperand(ident, false); | |
969 | |
970 // Create operand type "label" for branch targets | |
971 ident = "label"; | |
972 opForm = constructOperand(ident, false); | |
973 | |
974 // !!!!! Update - when adding a new sReg/stackSlot type | |
975 // Create operand types "sReg[IPFDL]" for stack slot registers | |
976 opForm = constructOperand("sRegI", false); | |
977 opForm->_constraint = new Constraint("ALLOC_IN_RC", "stack_slots"); | |
978 opForm = constructOperand("sRegP", false); | |
979 opForm->_constraint = new Constraint("ALLOC_IN_RC", "stack_slots"); | |
980 opForm = constructOperand("sRegF", false); | |
981 opForm->_constraint = new Constraint("ALLOC_IN_RC", "stack_slots"); | |
982 opForm = constructOperand("sRegD", false); | |
983 opForm->_constraint = new Constraint("ALLOC_IN_RC", "stack_slots"); | |
984 opForm = constructOperand("sRegL", false); | |
985 opForm->_constraint = new Constraint("ALLOC_IN_RC", "stack_slots"); | |
986 | |
987 // Create operand type "method" for call targets | |
988 ident = "method"; | |
989 opForm = constructOperand(ident, false); | |
990 } | |
991 | |
992 // Create Effect Forms for each of the legal effects | |
993 // USE, DEF, USE_DEF, KILL, USE_KILL | |
994 { | |
995 const char *ident = "USE"; | |
996 Effect *eForm = new Effect(ident); | |
997 _globalNames.Insert(ident, eForm); | |
998 ident = "DEF"; | |
999 eForm = new Effect(ident); | |
1000 _globalNames.Insert(ident, eForm); | |
1001 ident = "USE_DEF"; | |
1002 eForm = new Effect(ident); | |
1003 _globalNames.Insert(ident, eForm); | |
1004 ident = "KILL"; | |
1005 eForm = new Effect(ident); | |
1006 _globalNames.Insert(ident, eForm); | |
1007 ident = "USE_KILL"; | |
1008 eForm = new Effect(ident); | |
1009 _globalNames.Insert(ident, eForm); | |
1010 ident = "TEMP"; | |
1011 eForm = new Effect(ident); | |
1012 _globalNames.Insert(ident, eForm); | |
1013 } | |
1014 | |
1015 // | |
1016 // Build mapping from ideal names to ideal indices | |
1017 int idealIndex = 0; | |
1018 for (idealIndex = 1; idealIndex < _last_machine_leaf; ++idealIndex) { | |
1019 const char *idealName = NodeClassNames[idealIndex]; | |
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
475
diff
changeset
|
1020 _idealIndex.Insert((void*) idealName, (void*) (intptr_t) idealIndex); |
0 | 1021 } |
1022 for ( idealIndex = _last_machine_leaf+1; | |
1023 idealIndex < _last_opcode; ++idealIndex) { | |
1024 const char *idealName = NodeClassNames[idealIndex]; | |
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
475
diff
changeset
|
1025 _idealIndex.Insert((void*) idealName, (void*) (intptr_t) idealIndex); |
0 | 1026 } |
1027 | |
1028 } | |
1029 | |
1030 | |
1031 //---------------------------addSUNcopyright------------------------------- | |
1032 // output SUN copyright info | |
1033 void ArchDesc::addSunCopyright(char* legal, int size, FILE *fp) { | |
968
5fdbe2cdf565
6879689: Fix warning about ignored return value when compiling with -O2
andrew
parents:
628
diff
changeset
|
1034 size_t count = fwrite(legal, 1, size, fp); |
5fdbe2cdf565
6879689: Fix warning about ignored return value when compiling with -O2
andrew
parents:
628
diff
changeset
|
1035 assert(count == (size_t) size, "copyright info truncated"); |
0 | 1036 fprintf(fp,"\n"); |
1037 fprintf(fp,"// Machine Generated File. Do Not Edit!\n"); | |
1038 fprintf(fp,"\n"); | |
1039 } | |
1040 | |
1041 //---------------------------machineDependentIncludes-------------------------- | |
1042 // output #include declarations for machine specific files | |
1043 void ArchDesc::machineDependentIncludes(ADLFILE &adlfile) { | |
1044 const char *basename = adlfile._name; | |
1045 const char *cp; | |
1046 for (cp = basename; *cp; cp++) | |
1047 if (*cp == '/') basename = cp+1; | |
1048 | |
1049 // Build #include lines | |
1050 fprintf(adlfile._fp, "\n"); | |
1051 fprintf(adlfile._fp, "#include \"incls/_precompiled.incl\"\n"); | |
1052 fprintf(adlfile._fp, "#include \"incls/_%s.incl\"\n",basename); | |
1053 fprintf(adlfile._fp, "\n"); | |
1054 | |
1055 } | |
1056 | |
1057 | |
1058 //---------------------------addPreprocessorChecks----------------------------- | |
1059 // Output C preprocessor code to verify the backend compilation environment. | |
1060 // The idea is to force code produced by "adlc -DHS64" to be compiled by a | |
1061 // command of the form "CC ... -DHS64 ...", so that any #ifdefs in the source | |
1062 // blocks select C code that is consistent with adlc's selections of AD code. | |
1063 void ArchDesc::addPreprocessorChecks(FILE *fp) { | |
1064 const char* flag; | |
1065 _preproc_list.reset(); | |
1066 if (_preproc_list.count() > 0 && !_preproc_list.current_is_signal()) { | |
1067 fprintf(fp, "// Check consistency of C++ compilation with ADLC options:\n"); | |
1068 } | |
1069 for (_preproc_list.reset(); (flag = _preproc_list.iter()) != NULL; ) { | |
1070 if (_preproc_list.current_is_signal()) break; | |
1071 char* def = get_preproc_def(flag); | |
1072 fprintf(fp, "// Check adlc "); | |
1073 if (def) | |
1074 fprintf(fp, "-D%s=%s\n", flag, def); | |
1075 else fprintf(fp, "-U%s\n", flag); | |
1076 fprintf(fp, "#%s %s\n", | |
1077 def ? "ifndef" : "ifdef", flag); | |
1078 fprintf(fp, "# error \"%s %s be defined\"\n", | |
1079 flag, def ? "must" : "must not"); | |
1080 fprintf(fp, "#endif // %s\n", flag); | |
1081 } | |
1082 } | |
1083 | |
1084 | |
1085 // Convert operand name into enum name | |
1086 const char *ArchDesc::machOperEnum(const char *opName) { | |
1087 return ArchDesc::getMachOperEnum(opName); | |
1088 } | |
1089 | |
1090 // Convert operand name into enum name | |
1091 const char *ArchDesc::getMachOperEnum(const char *opName) { | |
1092 return (opName ? toUpper(opName) : opName); | |
1093 } | |
1094 | |
1095 //---------------------------buildMustCloneMap----------------------------- | |
1096 // Flag cases when machine needs cloned values or instructions | |
1097 void ArchDesc::buildMustCloneMap(FILE *fp_hpp, FILE *fp_cpp) { | |
1098 // Build external declarations for mappings | |
1099 fprintf(fp_hpp, "// Mapping from machine-independent opcode to boolean\n"); | |
1100 fprintf(fp_hpp, "// Flag cases where machine needs cloned values or instructions\n"); | |
1101 fprintf(fp_hpp, "extern const char must_clone[];\n"); | |
1102 fprintf(fp_hpp, "\n"); | |
1103 | |
1104 // Build mapping from ideal names to ideal indices | |
1105 fprintf(fp_cpp, "\n"); | |
1106 fprintf(fp_cpp, "// Mapping from machine-independent opcode to boolean\n"); | |
1107 fprintf(fp_cpp, "const char must_clone[] = {\n"); | |
1108 for (int idealIndex = 0; idealIndex < _last_opcode; ++idealIndex) { | |
1109 int must_clone = 0; | |
1110 const char *idealName = NodeClassNames[idealIndex]; | |
1111 // Previously selected constants for cloning | |
1112 // !!!!! | |
1113 // These are the current machine-dependent clones | |
1114 if ( strcmp(idealName,"CmpI") == 0 | |
1115 || strcmp(idealName,"CmpU") == 0 | |
1116 || strcmp(idealName,"CmpP") == 0 | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
1117 || strcmp(idealName,"CmpN") == 0 |
0 | 1118 || strcmp(idealName,"CmpL") == 0 |
1119 || strcmp(idealName,"CmpD") == 0 | |
1120 || strcmp(idealName,"CmpF") == 0 | |
1121 || strcmp(idealName,"FastLock") == 0 | |
1122 || strcmp(idealName,"FastUnlock") == 0 | |
1123 || strcmp(idealName,"Bool") == 0 | |
1124 || strcmp(idealName,"Binary") == 0 ) { | |
1125 // Removed ConI from the must_clone list. CPUs that cannot use | |
1126 // large constants as immediates manifest the constant as an | |
1127 // instruction. The must_clone flag prevents the constant from | |
1128 // floating up out of loops. | |
1129 must_clone = 1; | |
1130 } | |
1131 fprintf(fp_cpp, " %d%s // %s: %d\n", must_clone, | |
1132 (idealIndex != (_last_opcode - 1)) ? "," : " // no trailing comma", | |
1133 idealName, idealIndex); | |
1134 } | |
1135 // Finish defining table | |
1136 fprintf(fp_cpp, "};\n"); | |
1137 } |