1 /*
2 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 // output_h.cpp - Class HPP file output routines for architecture definition
26 #include "adlc.hpp"
27
28 // The comment delimiter used in format statements after assembler instructions.
29 #define commentSeperator "!"
30
31 // Generate the #define that describes the number of registers.
32 static void defineRegCount(FILE *fp, RegisterForm *registers) {
33 if (registers) {
34 int regCount = AdlcVMDeps::Physical + registers->_rdefs.count();
35 fprintf(fp,"\n");
36 fprintf(fp,"// the number of reserved registers + machine registers.\n");
37 fprintf(fp,"#define REG_COUNT %d\n", regCount);
38 }
39 }
40
41 // Output enumeration of machine register numbers
42 // (1)
43 // // Enumerate machine registers starting after reserved regs.
44 // // in the order of occurrence in the register block.
45 // enum MachRegisterNumbers {
46 // EAX_num = 0,
47 // ...
48 // _last_Mach_Reg
49 // }
50 void ArchDesc::buildMachRegisterNumbers(FILE *fp_hpp) {
51 if (_register) {
52 RegDef *reg_def = NULL;
53
54 // Output a #define for the number of machine registers
55 defineRegCount(fp_hpp, _register);
56
57 // Count all the Save_On_Entry and Always_Save registers
58 int saved_on_entry = 0;
59 int c_saved_on_entry = 0;
60 _register->reset_RegDefs();
61 while( (reg_def = _register->iter_RegDefs()) != NULL ) {
62 if( strcmp(reg_def->_callconv,"SOE") == 0 ||
63 strcmp(reg_def->_callconv,"AS") == 0 ) ++saved_on_entry;
64 if( strcmp(reg_def->_c_conv,"SOE") == 0 ||
65 strcmp(reg_def->_c_conv,"AS") == 0 ) ++c_saved_on_entry;
66 }
67 fprintf(fp_hpp, "\n");
68 fprintf(fp_hpp, "// the number of save_on_entry + always_saved registers.\n");
69 fprintf(fp_hpp, "#define MAX_SAVED_ON_ENTRY_REG_COUNT %d\n", max(saved_on_entry,c_saved_on_entry));
70 fprintf(fp_hpp, "#define SAVED_ON_ENTRY_REG_COUNT %d\n", saved_on_entry);
71 fprintf(fp_hpp, "#define C_SAVED_ON_ENTRY_REG_COUNT %d\n", c_saved_on_entry);
72
73 // (1)
74 // Build definition for enumeration of register numbers
75 fprintf(fp_hpp, "\n");
76 fprintf(fp_hpp, "// Enumerate machine register numbers starting after reserved regs.\n");
77 fprintf(fp_hpp, "// in the order of occurrence in the register block.\n");
78 fprintf(fp_hpp, "enum MachRegisterNumbers {\n");
79
80 // Output the register number for each register in the allocation classes
81 _register->reset_RegDefs();
82 int i = 0;
83 while( (reg_def = _register->iter_RegDefs()) != NULL ) {
84 fprintf(fp_hpp," %s_num,", reg_def->_regname);
85 for (int j = 0; j < 20-(int)strlen(reg_def->_regname); j++) fprintf(fp_hpp, " ");
86 fprintf(fp_hpp," // enum %3d, regnum %3d, reg encode %3s\n",
87 i++,
88 reg_def->register_num(),
89 reg_def->register_encode());
90 }
91 // Finish defining enumeration
92 fprintf(fp_hpp, " _last_Mach_Reg // %d\n", i);
93 fprintf(fp_hpp, "};\n");
94 }
95
96 fprintf(fp_hpp, "\n// Size of register-mask in ints\n");
97 fprintf(fp_hpp, "#define RM_SIZE %d\n",RegisterForm::RegMask_Size());
98 fprintf(fp_hpp, "// Unroll factor for loops over the data in a RegMask\n");
99 fprintf(fp_hpp, "#define FORALL_BODY ");
100 int len = RegisterForm::RegMask_Size();
101 for( int i = 0; i < len; i++ )
102 fprintf(fp_hpp, "BODY(%d) ",i);
103 fprintf(fp_hpp, "\n\n");
104
105 fprintf(fp_hpp,"class RegMask;\n");
106 // All RegMasks are declared "extern const ..." in ad_<arch>.hpp
107 // fprintf(fp_hpp,"extern RegMask STACK_OR_STACK_SLOTS_mask;\n\n");
108 }
109
110
111 // Output enumeration of machine register encodings
112 // (2)
113 // // Enumerate machine registers starting after reserved regs.
114 // // in the order of occurrence in the alloc_class(es).
115 // enum MachRegisterEncodes {
116 // EAX_enc = 0x00,
117 // ...
118 // }
119 void ArchDesc::buildMachRegisterEncodes(FILE *fp_hpp) {
120 if (_register) {
121 RegDef *reg_def = NULL;
122 RegDef *reg_def_next = NULL;
123
124 // (2)
125 // Build definition for enumeration of encode values
126 fprintf(fp_hpp, "\n");
127 fprintf(fp_hpp, "// Enumerate machine registers starting after reserved regs.\n");
128 fprintf(fp_hpp, "// in the order of occurrence in the alloc_class(es).\n");
129 fprintf(fp_hpp, "enum MachRegisterEncodes {\n");
130
131 // Find max enum string length.
132 size_t maxlen = 0;
133 _register->reset_RegDefs();
134 reg_def = _register->iter_RegDefs();
135 while (reg_def != NULL) {
136 size_t len = strlen(reg_def->_regname);
137 if (len > maxlen) maxlen = len;
138 reg_def = _register->iter_RegDefs();
139 }
140
141 // Output the register encoding for each register in the allocation classes
142 _register->reset_RegDefs();
143 reg_def_next = _register->iter_RegDefs();
144 while( (reg_def = reg_def_next) != NULL ) {
145 reg_def_next = _register->iter_RegDefs();
146 fprintf(fp_hpp," %s_enc", reg_def->_regname);
147 for (size_t i = strlen(reg_def->_regname); i < maxlen; i++) fprintf(fp_hpp, " ");
148 fprintf(fp_hpp," = %3s%s\n", reg_def->register_encode(), reg_def_next == NULL? "" : "," );
149 }
150 // Finish defining enumeration
151 fprintf(fp_hpp, "};\n");
152
153 } // Done with register form
154 }
155
156
157 // Declare an array containing the machine register names, strings.
158 static void declareRegNames(FILE *fp, RegisterForm *registers) {
159 if (registers) {
160 // fprintf(fp,"\n");
161 // fprintf(fp,"// An array of character pointers to machine register names.\n");
162 // fprintf(fp,"extern const char *regName[];\n");
163 }
164 }
165
166 // Declare an array containing the machine register sizes in 32-bit words.
167 void ArchDesc::declareRegSizes(FILE *fp) {
168 // regSize[] is not used
169 }
170
171 // Declare an array containing the machine register encoding values
172 static void declareRegEncodes(FILE *fp, RegisterForm *registers) {
173 if (registers) {
174 // // //
175 // fprintf(fp,"\n");
176 // fprintf(fp,"// An array containing the machine register encode values\n");
177 // fprintf(fp,"extern const char regEncode[];\n");
178 }
179 }
180
181
182 // ---------------------------------------------------------------------------
183 //------------------------------Utilities to build Instruction Classes--------
184 // ---------------------------------------------------------------------------
185 static void out_RegMask(FILE *fp) {
186 fprintf(fp," virtual const RegMask &out_RegMask() const;\n");
187 }
188
189 // ---------------------------------------------------------------------------
190 //--------Utilities to build MachOper and MachNode derived Classes------------
191 // ---------------------------------------------------------------------------
192
193 //------------------------------Utilities to build Operand Classes------------
194 static void in_RegMask(FILE *fp) {
195 fprintf(fp," virtual const RegMask *in_RegMask(int index) const;\n");
196 }
197
198 static void declareConstStorage(FILE *fp, FormDict &globals, OperandForm *oper) {
199 int i = 0;
200 Component *comp;
201
202 if (oper->num_consts(globals) == 0) return;
203 // Iterate over the component list looking for constants
204 oper->_components.reset();
205 if ((comp = oper->_components.iter()) == NULL) {
206 assert(oper->num_consts(globals) == 1, "Bad component list detected.\n");
207 const char *type = oper->ideal_type(globals);
208 if (!strcmp(type, "ConI")) {
209 if (i > 0) fprintf(fp,", ");
210 fprintf(fp," int32 _c%d;\n", i);
211 }
212 else if (!strcmp(type, "ConP")) {
213 if (i > 0) fprintf(fp,", ");
214 fprintf(fp," const TypePtr *_c%d;\n", i);
215 }
216 else if (!strcmp(type, "ConN")) {
217 if (i > 0) fprintf(fp,", ");
218 fprintf(fp," const TypeNarrowOop *_c%d;\n", i);
219 }
220 else if (!strcmp(type, "ConNKlass")) {
221 if (i > 0) fprintf(fp,", ");
222 fprintf(fp," const TypeNarrowKlass *_c%d;\n", i);
223 }
224 else if (!strcmp(type, "ConL")) {
225 if (i > 0) fprintf(fp,", ");
226 fprintf(fp," jlong _c%d;\n", i);
227 }
228 else if (!strcmp(type, "ConF")) {
229 if (i > 0) fprintf(fp,", ");
230 fprintf(fp," jfloat _c%d;\n", i);
231 }
232 else if (!strcmp(type, "ConD")) {
233 if (i > 0) fprintf(fp,", ");
234 fprintf(fp," jdouble _c%d;\n", i);
235 }
236 else if (!strcmp(type, "Bool")) {
237 fprintf(fp,"private:\n");
238 fprintf(fp," BoolTest::mask _c%d;\n", i);
239 fprintf(fp,"public:\n");
240 }
241 else {
242 assert(0, "Non-constant operand lacks component list.");
243 }
244 } // end if NULL
245 else {
246 oper->_components.reset();
247 while ((comp = oper->_components.iter()) != NULL) {
248 if (!strcmp(comp->base_type(globals), "ConI")) {
249 fprintf(fp," jint _c%d;\n", i);
250 i++;
251 }
252 else if (!strcmp(comp->base_type(globals), "ConP")) {
253 fprintf(fp," const TypePtr *_c%d;\n", i);
254 i++;
255 }
256 else if (!strcmp(comp->base_type(globals), "ConN")) {
257 fprintf(fp," const TypePtr *_c%d;\n", i);
258 i++;
259 }
260 else if (!strcmp(comp->base_type(globals), "ConNKlass")) {
261 fprintf(fp," const TypePtr *_c%d;\n", i);
262 i++;
263 }
264 else if (!strcmp(comp->base_type(globals), "ConL")) {
265 fprintf(fp," jlong _c%d;\n", i);
266 i++;
267 }
268 else if (!strcmp(comp->base_type(globals), "ConF")) {
269 fprintf(fp," jfloat _c%d;\n", i);
270 i++;
271 }
272 else if (!strcmp(comp->base_type(globals), "ConD")) {
273 fprintf(fp," jdouble _c%d;\n", i);
274 i++;
275 }
276 }
277 }
278 }
279
280 // Declare constructor.
281 // Parameters start with condition code, then all other constants
282 //
283 // (0) public:
284 // (1) MachXOper(int32 ccode, int32 c0, int32 c1, ..., int32 cn)
285 // (2) : _ccode(ccode), _c0(c0), _c1(c1), ..., _cn(cn) { }
286 //
287 static void defineConstructor(FILE *fp, const char *name, uint num_consts,
288 ComponentList &lst, bool is_ideal_bool,
289 Form::DataType constant_type, FormDict &globals) {
290 fprintf(fp,"public:\n");
291 // generate line (1)
292 fprintf(fp," %sOper(", name);
293 if( num_consts == 0 ) {
294 fprintf(fp,") {}\n");
295 return;
296 }
297
298 // generate parameters for constants
299 uint i = 0;
300 Component *comp;
301 lst.reset();
302 if ((comp = lst.iter()) == NULL) {
303 assert(num_consts == 1, "Bad component list detected.\n");
304 switch( constant_type ) {
305 case Form::idealI : {
306 fprintf(fp,is_ideal_bool ? "BoolTest::mask c%d" : "int32 c%d", i);
307 break;
308 }
309 case Form::idealN : { fprintf(fp,"const TypeNarrowOop *c%d", i); break; }
310 case Form::idealNKlass : { fprintf(fp,"const TypeNarrowKlass *c%d", i); break; }
311 case Form::idealP : { fprintf(fp,"const TypePtr *c%d", i); break; }
312 case Form::idealL : { fprintf(fp,"jlong c%d", i); break; }
313 case Form::idealF : { fprintf(fp,"jfloat c%d", i); break; }
314 case Form::idealD : { fprintf(fp,"jdouble c%d", i); break; }
315 default:
316 assert(!is_ideal_bool, "Non-constant operand lacks component list.");
317 break;
318 }
319 } // end if NULL
320 else {
321 lst.reset();
322 while((comp = lst.iter()) != NULL) {
323 if (!strcmp(comp->base_type(globals), "ConI")) {
324 if (i > 0) fprintf(fp,", ");
325 fprintf(fp,"int32 c%d", i);
326 i++;
327 }
328 else if (!strcmp(comp->base_type(globals), "ConP")) {
329 if (i > 0) fprintf(fp,", ");
330 fprintf(fp,"const TypePtr *c%d", i);
331 i++;
332 }
333 else if (!strcmp(comp->base_type(globals), "ConN")) {
334 if (i > 0) fprintf(fp,", ");
335 fprintf(fp,"const TypePtr *c%d", i);
336 i++;
337 }
338 else if (!strcmp(comp->base_type(globals), "ConNKlass")) {
339 if (i > 0) fprintf(fp,", ");
340 fprintf(fp,"const TypePtr *c%d", i);
341 i++;
342 }
343 else if (!strcmp(comp->base_type(globals), "ConL")) {
344 if (i > 0) fprintf(fp,", ");
345 fprintf(fp,"jlong c%d", i);
346 i++;
347 }
348 else if (!strcmp(comp->base_type(globals), "ConF")) {
349 if (i > 0) fprintf(fp,", ");
350 fprintf(fp,"jfloat c%d", i);
351 i++;
352 }
353 else if (!strcmp(comp->base_type(globals), "ConD")) {
354 if (i > 0) fprintf(fp,", ");
355 fprintf(fp,"jdouble c%d", i);
356 i++;
357 }
358 else if (!strcmp(comp->base_type(globals), "Bool")) {
359 if (i > 0) fprintf(fp,", ");
360 fprintf(fp,"BoolTest::mask c%d", i);
361 i++;
362 }
363 }
364 }
365 // finish line (1) and start line (2)
366 fprintf(fp,") : ");
367 // generate initializers for constants
368 i = 0;
369 fprintf(fp,"_c%d(c%d)", i, i);
370 for( i = 1; i < num_consts; ++i) {
371 fprintf(fp,", _c%d(c%d)", i, i);
372 }
373 // The body for the constructor is empty
374 fprintf(fp," {}\n");
375 }
376
377 // ---------------------------------------------------------------------------
378 // Utilities to generate format rules for machine operands and instructions
379 // ---------------------------------------------------------------------------
380
381 // Generate the format rule for condition codes
382 static void defineCCodeDump(OperandForm* oper, FILE *fp, int i) {
383 assert(oper != NULL, "what");
384 CondInterface* cond = oper->_interface->is_CondInterface();
385 fprintf(fp, " if( _c%d == BoolTest::eq ) st->print(\"%s\");\n",i,cond->_equal_format);
386 fprintf(fp, " else if( _c%d == BoolTest::ne ) st->print(\"%s\");\n",i,cond->_not_equal_format);
387 fprintf(fp, " else if( _c%d == BoolTest::le ) st->print(\"%s\");\n",i,cond->_less_equal_format);
388 fprintf(fp, " else if( _c%d == BoolTest::ge ) st->print(\"%s\");\n",i,cond->_greater_equal_format);
389 fprintf(fp, " else if( _c%d == BoolTest::lt ) st->print(\"%s\");\n",i,cond->_less_format);
390 fprintf(fp, " else if( _c%d == BoolTest::gt ) st->print(\"%s\");\n",i,cond->_greater_format);
391 fprintf(fp, " else if( _c%d == BoolTest::overflow ) st->print(\"%s\");\n",i,cond->_overflow_format);
392 fprintf(fp, " else if( _c%d == BoolTest::no_overflow ) st->print(\"%s\");\n",i,cond->_no_overflow_format);
393 }
394
395 // Output code that dumps constant values, increment "i" if type is constant
396 static uint dump_spec_constant(FILE *fp, const char *ideal_type, uint i, OperandForm* oper) {
397 if (!strcmp(ideal_type, "ConI")) {
398 fprintf(fp," st->print(\"#%%d\", _c%d);\n", i);
399 fprintf(fp," st->print(\"/0x%%08x\", _c%d);\n", i);
400 ++i;
401 }
402 else if (!strcmp(ideal_type, "ConP")) {
403 fprintf(fp," _c%d->dump_on(st);\n", i);
404 ++i;
405 }
406 else if (!strcmp(ideal_type, "ConN")) {
407 fprintf(fp," _c%d->dump_on(st);\n", i);
408 ++i;
409 }
410 else if (!strcmp(ideal_type, "ConNKlass")) {
411 fprintf(fp," _c%d->dump_on(st);\n", i);
412 ++i;
413 }
414 else if (!strcmp(ideal_type, "ConL")) {
415 fprintf(fp," st->print(\"#\" INT64_FORMAT, _c%d);\n", i);
416 fprintf(fp," st->print(\"/\" PTR64_FORMAT, _c%d);\n", i);
417 ++i;
418 }
419 else if (!strcmp(ideal_type, "ConF")) {
420 fprintf(fp," st->print(\"#%%f\", _c%d);\n", i);
421 fprintf(fp," jint _c%di = JavaValue(_c%d).get_jint();\n", i, i);
422 fprintf(fp," st->print(\"/0x%%x/\", _c%di);\n", i);
423 ++i;
424 }
425 else if (!strcmp(ideal_type, "ConD")) {
426 fprintf(fp," st->print(\"#%%f\", _c%d);\n", i);
427 fprintf(fp," jlong _c%dl = JavaValue(_c%d).get_jlong();\n", i, i);
428 fprintf(fp," st->print(\"/\" PTR64_FORMAT, _c%dl);\n", i);
429 ++i;
430 }
431 else if (!strcmp(ideal_type, "Bool")) {
432 defineCCodeDump(oper, fp,i);
433 ++i;
434 }
435
436 return i;
437 }
438
439 // Generate the format rule for an operand
440 void gen_oper_format(FILE *fp, FormDict &globals, OperandForm &oper, bool for_c_file = false) {
441 if (!for_c_file) {
442 // invoked after output #ifndef PRODUCT to ad_<arch>.hpp
443 // compile the bodies separately, to cut down on recompilations
444 fprintf(fp," virtual void int_format(PhaseRegAlloc *ra, const MachNode *node, outputStream *st) const;\n");
445 fprintf(fp," virtual void ext_format(PhaseRegAlloc *ra, const MachNode *node, int idx, outputStream *st) const;\n");
446 return;
447 }
448
449 // Local pointer indicates remaining part of format rule
450 int idx = 0; // position of operand in match rule
451
452 // Generate internal format function, used when stored locally
453 fprintf(fp, "\n#ifndef PRODUCT\n");
454 fprintf(fp,"void %sOper::int_format(PhaseRegAlloc *ra, const MachNode *node, outputStream *st) const {\n", oper._ident);
455 // Generate the user-defined portion of the format
456 if (oper._format) {
457 if ( oper._format->_strings.count() != 0 ) {
458 // No initialization code for int_format
459
460 // Build the format from the entries in strings and rep_vars
461 const char *string = NULL;
462 oper._format->_rep_vars.reset();
463 oper._format->_strings.reset();
464 while ( (string = oper._format->_strings.iter()) != NULL ) {
465
466 // Check if this is a standard string or a replacement variable
467 if ( string != NameList::_signal ) {
468 // Normal string
469 // Pass through to st->print
470 fprintf(fp," st->print(\"%s\");\n", string);
471 } else {
472 // Replacement variable
473 const char *rep_var = oper._format->_rep_vars.iter();
474 // Check that it is a local name, and an operand
475 const Form* form = oper._localNames[rep_var];
476 if (form == NULL) {
477 globalAD->syntax_err(oper._linenum,
478 "\'%s\' not found in format for %s\n", rep_var, oper._ident);
479 assert(form, "replacement variable was not found in local names");
480 }
481 OperandForm *op = form->is_operand();
482 // Get index if register or constant
483 if ( op->_matrule && op->_matrule->is_base_register(globals) ) {
484 idx = oper.register_position( globals, rep_var);
485 }
486 else if (op->_matrule && op->_matrule->is_base_constant(globals)) {
487 idx = oper.constant_position( globals, rep_var);
488 } else {
489 idx = 0;
490 }
491
492 // output invocation of "$..."s format function
493 if ( op != NULL ) op->int_format(fp, globals, idx);
494
495 if ( idx == -1 ) {
496 fprintf(stderr,
497 "Using a name, %s, that isn't in match rule\n", rep_var);
498 assert( strcmp(op->_ident,"label")==0, "Unimplemented");
499 }
500 } // Done with a replacement variable
501 } // Done with all format strings
502 } else {
503 // Default formats for base operands (RegI, RegP, ConI, ConP, ...)
504 oper.int_format(fp, globals, 0);
505 }
506
507 } else { // oper._format == NULL
508 // Provide a few special case formats where the AD writer cannot.
509 if ( strcmp(oper._ident,"Universe")==0 ) {
510 fprintf(fp, " st->print(\"$$univ\");\n");
511 }
512 // labelOper::int_format is defined in ad_<...>.cpp
513 }
514 // ALWAYS! Provide a special case output for condition codes.
515 if( oper.is_ideal_bool() ) {
516 defineCCodeDump(&oper, fp,0);
517 }
518 fprintf(fp,"}\n");
519
520 // Generate external format function, when data is stored externally
521 fprintf(fp,"void %sOper::ext_format(PhaseRegAlloc *ra, const MachNode *node, int idx, outputStream *st) const {\n", oper._ident);
522 // Generate the user-defined portion of the format
523 if (oper._format) {
524 if ( oper._format->_strings.count() != 0 ) {
525
526 // Check for a replacement string "$..."
527 if ( oper._format->_rep_vars.count() != 0 ) {
528 // Initialization code for ext_format
529 }
530
531 // Build the format from the entries in strings and rep_vars
532 const char *string = NULL;
533 oper._format->_rep_vars.reset();
534 oper._format->_strings.reset();
535 while ( (string = oper._format->_strings.iter()) != NULL ) {
536
537 // Check if this is a standard string or a replacement variable
538 if ( string != NameList::_signal ) {
539 // Normal string
540 // Pass through to st->print
541 fprintf(fp," st->print(\"%s\");\n", string);
542 } else {
543 // Replacement variable
544 const char *rep_var = oper._format->_rep_vars.iter();
545 // Check that it is a local name, and an operand
546 const Form* form = oper._localNames[rep_var];
547 if (form == NULL) {
548 globalAD->syntax_err(oper._linenum,
549 "\'%s\' not found in format for %s\n", rep_var, oper._ident);
550 assert(form, "replacement variable was not found in local names");
551 }
552 OperandForm *op = form->is_operand();
553 // Get index if register or constant
554 if ( op->_matrule && op->_matrule->is_base_register(globals) ) {
555 idx = oper.register_position( globals, rep_var);
556 }
557 else if (op->_matrule && op->_matrule->is_base_constant(globals)) {
558 idx = oper.constant_position( globals, rep_var);
559 } else {
560 idx = 0;
561 }
562 // output invocation of "$..."s format function
563 if ( op != NULL ) op->ext_format(fp, globals, idx);
564
565 // Lookup the index position of the replacement variable
566 idx = oper._components.operand_position_format(rep_var, &oper);
567 if ( idx == -1 ) {
568 fprintf(stderr,
569 "Using a name, %s, that isn't in match rule\n", rep_var);
570 assert( strcmp(op->_ident,"label")==0, "Unimplemented");
571 }
572 } // Done with a replacement variable
573 } // Done with all format strings
574
575 } else {
576 // Default formats for base operands (RegI, RegP, ConI, ConP, ...)
577 oper.ext_format(fp, globals, 0);
578 }
579 } else { // oper._format == NULL
580 // Provide a few special case formats where the AD writer cannot.
581 if ( strcmp(oper._ident,"Universe")==0 ) {
582 fprintf(fp, " st->print(\"$$univ\");\n");
583 }
584 // labelOper::ext_format is defined in ad_<...>.cpp
585 }
586 // ALWAYS! Provide a special case output for condition codes.
587 if( oper.is_ideal_bool() ) {
588 defineCCodeDump(&oper, fp,0);
589 }
590 fprintf(fp, "}\n");
591 fprintf(fp, "#endif\n");
592 }
593
594
595 // Generate the format rule for an instruction
596 void gen_inst_format(FILE *fp, FormDict &globals, InstructForm &inst, bool for_c_file = false) {
597 if (!for_c_file) {
598 // compile the bodies separately, to cut down on recompilations
599 // #ifndef PRODUCT region generated by caller
600 fprintf(fp," virtual void format(PhaseRegAlloc *ra, outputStream *st) const;\n");
601 return;
602 }
603
604 // Define the format function
605 fprintf(fp, "#ifndef PRODUCT\n");
606 fprintf(fp, "void %sNode::format(PhaseRegAlloc *ra, outputStream *st) const {\n", inst._ident);
607
608 // Generate the user-defined portion of the format
609 if( inst._format ) {
610 // If there are replacement variables,
611 // Generate index values needed for determining the operand position
612 if( inst._format->_rep_vars.count() )
613 inst.index_temps(fp, globals);
614
615 // Build the format from the entries in strings and rep_vars
616 const char *string = NULL;
617 inst._format->_rep_vars.reset();
618 inst._format->_strings.reset();
619 while( (string = inst._format->_strings.iter()) != NULL ) {
620 fprintf(fp," ");
621 // Check if this is a standard string or a replacement variable
622 if( string == NameList::_signal ) { // Replacement variable
623 const char* rep_var = inst._format->_rep_vars.iter();
624 inst.rep_var_format( fp, rep_var);
625 } else if( string == NameList::_signal3 ) { // Replacement variable in raw text
626 const char* rep_var = inst._format->_rep_vars.iter();
627 const Form *form = inst._localNames[rep_var];
628 if (form == NULL) {
629 fprintf(stderr, "unknown replacement variable in format statement: '%s'\n", rep_var);
630 assert(false, "ShouldNotReachHere()");
631 }
632 OpClassForm *opc = form->is_opclass();
633 assert( opc, "replacement variable was not found in local names");
634 // Lookup the index position of the replacement variable
635 int idx = inst.operand_position_format(rep_var);
636 if ( idx == -1 ) {
637 assert( strcmp(opc->_ident,"label")==0, "Unimplemented");
638 assert( false, "ShouldNotReachHere()");
639 }
640
641 if (inst.is_noninput_operand(idx)) {
642 assert( false, "ShouldNotReachHere()");
643 } else {
644 // Output the format call for this operand
645 fprintf(fp,"opnd_array(%d)",idx);
646 }
647 rep_var = inst._format->_rep_vars.iter();
648 inst._format->_strings.iter();
649 if ( strcmp(rep_var,"$constant") == 0 && opc->is_operand()) {
650 Form::DataType constant_type = form->is_operand()->is_base_constant(globals);
651 if ( constant_type == Form::idealD ) {
652 fprintf(fp,"->constantD()");
653 } else if ( constant_type == Form::idealF ) {
654 fprintf(fp,"->constantF()");
655 } else if ( constant_type == Form::idealL ) {
656 fprintf(fp,"->constantL()");
657 } else {
658 fprintf(fp,"->constant()");
659 }
660 } else if ( strcmp(rep_var,"$cmpcode") == 0) {
661 fprintf(fp,"->ccode()");
662 } else {
663 assert( false, "ShouldNotReachHere()");
664 }
665 } else if( string == NameList::_signal2 ) // Raw program text
666 fputs(inst._format->_strings.iter(), fp);
667 else
668 fprintf(fp,"st->print(\"%s\");\n", string);
669 } // Done with all format strings
670 } // Done generating the user-defined portion of the format
671
672 // Add call debug info automatically
673 Form::CallType call_type = inst.is_ideal_call();
674 if( call_type != Form::invalid_type ) {
675 switch( call_type ) {
676 case Form::JAVA_DYNAMIC:
677 fprintf(fp," _method->print_short_name(st);\n");
678 break;
679 case Form::JAVA_STATIC:
680 fprintf(fp," if( _method ) _method->print_short_name(st);\n");
681 fprintf(fp," else st->print(\" wrapper for: %%s\", _name);\n");
682 fprintf(fp," if( !_method ) dump_trap_args(st);\n");
683 break;
684 case Form::JAVA_COMPILED:
685 case Form::JAVA_INTERP:
686 break;
687 case Form::JAVA_RUNTIME:
688 case Form::JAVA_LEAF:
689 case Form::JAVA_NATIVE:
690 fprintf(fp," st->print(\" %%s\", _name);");
691 break;
692 default:
693 assert(0,"ShouldNotReachHere");
694 }
695 fprintf(fp, " st->print_cr(\"\");\n" );
696 fprintf(fp, " if (_jvms) _jvms->format(ra, this, st); else st->print_cr(\" No JVM State Info\");\n" );
697 fprintf(fp, " st->print(\" # \");\n" );
698 fprintf(fp, " if( _jvms && _oop_map ) _oop_map->print_on(st);\n");
699 }
700 else if(inst.is_ideal_safepoint()) {
701 fprintf(fp, " st->print(\"\");\n" );
702 fprintf(fp, " if (_jvms) _jvms->format(ra, this, st); else st->print_cr(\" No JVM State Info\");\n" );
703 fprintf(fp, " st->print(\" # \");\n" );
704 fprintf(fp, " if( _jvms && _oop_map ) _oop_map->print_on(st);\n");
705 }
706 else if( inst.is_ideal_if() ) {
707 fprintf(fp, " st->print(\" P=%%f C=%%f\",_prob,_fcnt);\n" );
708 }
709 else if( inst.is_ideal_mem() ) {
710 // Print out the field name if available to improve readability
711 fprintf(fp, " if (ra->C->alias_type(adr_type())->field() != NULL) {\n");
712 fprintf(fp, " ciField* f = ra->C->alias_type(adr_type())->field();\n");
713 fprintf(fp, " st->print(\" %s Field: \");\n", commentSeperator);
714 fprintf(fp, " if (f->is_volatile())\n");
715 fprintf(fp, " st->print(\"volatile \");\n");
716 fprintf(fp, " f->holder()->name()->print_symbol_on(st);\n");
717 fprintf(fp, " st->print(\".\");\n");
718 fprintf(fp, " f->name()->print_symbol_on(st);\n");
719 fprintf(fp, " if (f->is_constant())\n");
720 fprintf(fp, " st->print(\" (constant)\");\n");
721 fprintf(fp, " } else {\n");
722 // Make sure 'Volatile' gets printed out
723 fprintf(fp, " if (ra->C->alias_type(adr_type())->is_volatile())\n");
724 fprintf(fp, " st->print(\" volatile!\");\n");
725 fprintf(fp, " }\n");
726 }
727
728 // Complete the definition of the format function
729 fprintf(fp, "}\n#endif\n");
730 }
731
732 void ArchDesc::declare_pipe_classes(FILE *fp_hpp) {
733 if (!_pipeline)
734 return;
735
736 fprintf(fp_hpp, "\n");
737 fprintf(fp_hpp, "// Pipeline_Use_Cycle_Mask Class\n");
738 fprintf(fp_hpp, "class Pipeline_Use_Cycle_Mask {\n");
739
740 if (_pipeline->_maxcycleused <=
741 #ifdef SPARC
742 64
743 #else
744 32
745 #endif
746 ) {
747 fprintf(fp_hpp, "protected:\n");
748 fprintf(fp_hpp, " %s _mask;\n\n", _pipeline->_maxcycleused <= 32 ? "uint" : "uint64_t" );
749 fprintf(fp_hpp, "public:\n");
750 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask() : _mask(0) {}\n\n");
751 if (_pipeline->_maxcycleused <= 32)
752 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint mask) : _mask(mask) {}\n\n");
753 else {
754 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint mask1, uint mask2) : _mask((((uint64_t)mask1) << 32) | mask2) {}\n\n");
755 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint64_t mask) : _mask(mask) {}\n\n");
756 }
757 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator=(const Pipeline_Use_Cycle_Mask &in) {\n");
758 fprintf(fp_hpp, " _mask = in._mask;\n");
759 fprintf(fp_hpp, " return *this;\n");
760 fprintf(fp_hpp, " }\n\n");
761 fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Cycle_Mask &in2) const {\n");
762 fprintf(fp_hpp, " return ((_mask & in2._mask) != 0);\n");
763 fprintf(fp_hpp, " }\n\n");
764 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator<<=(int n) {\n");
765 fprintf(fp_hpp, " _mask <<= n;\n");
766 fprintf(fp_hpp, " return *this;\n");
767 fprintf(fp_hpp, " }\n\n");
768 fprintf(fp_hpp, " void Or(const Pipeline_Use_Cycle_Mask &in2) {\n");
769 fprintf(fp_hpp, " _mask |= in2._mask;\n");
770 fprintf(fp_hpp, " }\n\n");
771 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator&(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n");
772 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator|(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n\n");
773 }
774 else {
775 fprintf(fp_hpp, "protected:\n");
776 uint masklen = (_pipeline->_maxcycleused + 31) >> 5;
777 uint l;
778 fprintf(fp_hpp, " uint ");
779 for (l = 1; l <= masklen; l++)
780 fprintf(fp_hpp, "_mask%d%s", l, l < masklen ? ", " : ";\n\n");
781 fprintf(fp_hpp, "public:\n");
782 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask() : ");
783 for (l = 1; l <= masklen; l++)
784 fprintf(fp_hpp, "_mask%d(0)%s", l, l < masklen ? ", " : " {}\n\n");
785 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(");
786 for (l = 1; l <= masklen; l++)
787 fprintf(fp_hpp, "uint mask%d%s", l, l < masklen ? ", " : ") : ");
788 for (l = 1; l <= masklen; l++)
789 fprintf(fp_hpp, "_mask%d(mask%d)%s", l, l, l < masklen ? ", " : " {}\n\n");
790
791 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator=(const Pipeline_Use_Cycle_Mask &in) {\n");
792 for (l = 1; l <= masklen; l++)
793 fprintf(fp_hpp, " _mask%d = in._mask%d;\n", l, l);
794 fprintf(fp_hpp, " return *this;\n");
795 fprintf(fp_hpp, " }\n\n");
796 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask intersect(const Pipeline_Use_Cycle_Mask &in2) {\n");
797 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask out;\n");
798 for (l = 1; l <= masklen; l++)
799 fprintf(fp_hpp, " out._mask%d = _mask%d & in2._mask%d;\n", l, l, l);
800 fprintf(fp_hpp, " return out;\n");
801 fprintf(fp_hpp, " }\n\n");
802 fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Cycle_Mask &in2) const {\n");
803 fprintf(fp_hpp, " return (");
804 for (l = 1; l <= masklen; l++)
805 fprintf(fp_hpp, "((_mask%d & in2._mask%d) != 0)%s", l, l, l < masklen ? " || " : "");
806 fprintf(fp_hpp, ") ? true : false;\n");
807 fprintf(fp_hpp, " }\n\n");
808 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator<<=(int n) {\n");
809 fprintf(fp_hpp, " if (n >= 32)\n");
810 fprintf(fp_hpp, " do {\n ");
811 for (l = masklen; l > 1; l--)
812 fprintf(fp_hpp, " _mask%d = _mask%d;", l, l-1);
813 fprintf(fp_hpp, " _mask%d = 0;\n", 1);
814 fprintf(fp_hpp, " } while ((n -= 32) >= 32);\n\n");
815 fprintf(fp_hpp, " if (n > 0) {\n");
816 fprintf(fp_hpp, " uint m = 32 - n;\n");
817 fprintf(fp_hpp, " uint mask = (1 << n) - 1;\n");
818 fprintf(fp_hpp, " uint temp%d = mask & (_mask%d >> m); _mask%d <<= n;\n", 2, 1, 1);
819 for (l = 2; l < masklen; l++) {
820 fprintf(fp_hpp, " uint temp%d = mask & (_mask%d >> m); _mask%d <<= n; _mask%d |= temp%d;\n", l+1, l, l, l, l);
821 }
822 fprintf(fp_hpp, " _mask%d <<= n; _mask%d |= temp%d;\n", masklen, masklen, masklen);
823 fprintf(fp_hpp, " }\n");
824
825 fprintf(fp_hpp, " return *this;\n");
826 fprintf(fp_hpp, " }\n\n");
827 fprintf(fp_hpp, " void Or(const Pipeline_Use_Cycle_Mask &);\n\n");
828 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator&(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n");
829 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator|(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n\n");
830 }
831
832 fprintf(fp_hpp, " friend class Pipeline_Use;\n\n");
833 fprintf(fp_hpp, " friend class Pipeline_Use_Element;\n\n");
834 fprintf(fp_hpp, "};\n\n");
835
836 uint rescount = 0;
837 const char *resource;
838
839 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
840 int mask = _pipeline->_resdict[resource]->is_resource()->mask();
841 if ((mask & (mask-1)) == 0)
842 rescount++;
843 }
844
845 fprintf(fp_hpp, "// Pipeline_Use_Element Class\n");
846 fprintf(fp_hpp, "class Pipeline_Use_Element {\n");
847 fprintf(fp_hpp, "protected:\n");
848 fprintf(fp_hpp, " // Mask of used functional units\n");
849 fprintf(fp_hpp, " uint _used;\n\n");
850 fprintf(fp_hpp, " // Lower and upper bound of functional unit number range\n");
851 fprintf(fp_hpp, " uint _lb, _ub;\n\n");
852 fprintf(fp_hpp, " // Indicates multiple functionals units available\n");
853 fprintf(fp_hpp, " bool _multiple;\n\n");
854 fprintf(fp_hpp, " // Mask of specific used cycles\n");
855 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask _mask;\n\n");
856 fprintf(fp_hpp, "public:\n");
857 fprintf(fp_hpp, " Pipeline_Use_Element() {}\n\n");
858 fprintf(fp_hpp, " Pipeline_Use_Element(uint used, uint lb, uint ub, bool multiple, Pipeline_Use_Cycle_Mask mask)\n");
859 fprintf(fp_hpp, " : _used(used), _lb(lb), _ub(ub), _multiple(multiple), _mask(mask) {}\n\n");
860 fprintf(fp_hpp, " uint used() const { return _used; }\n\n");
861 fprintf(fp_hpp, " uint lowerBound() const { return _lb; }\n\n");
862 fprintf(fp_hpp, " uint upperBound() const { return _ub; }\n\n");
863 fprintf(fp_hpp, " bool multiple() const { return _multiple; }\n\n");
864 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask mask() const { return _mask; }\n\n");
865 fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Element &in2) const {\n");
866 fprintf(fp_hpp, " return ((_used & in2._used) != 0 && _mask.overlaps(in2._mask));\n");
867 fprintf(fp_hpp, " }\n\n");
868 fprintf(fp_hpp, " void step(uint cycles) {\n");
869 fprintf(fp_hpp, " _used = 0;\n");
870 fprintf(fp_hpp, " _mask <<= cycles;\n");
871 fprintf(fp_hpp, " }\n\n");
872 fprintf(fp_hpp, " friend class Pipeline_Use;\n");
873 fprintf(fp_hpp, "};\n\n");
874
875 fprintf(fp_hpp, "// Pipeline_Use Class\n");
876 fprintf(fp_hpp, "class Pipeline_Use {\n");
877 fprintf(fp_hpp, "protected:\n");
878 fprintf(fp_hpp, " // These resources can be used\n");
879 fprintf(fp_hpp, " uint _resources_used;\n\n");
880 fprintf(fp_hpp, " // These resources are used; excludes multiple choice functional units\n");
881 fprintf(fp_hpp, " uint _resources_used_exclusively;\n\n");
882 fprintf(fp_hpp, " // Number of elements\n");
883 fprintf(fp_hpp, " uint _count;\n\n");
884 fprintf(fp_hpp, " // This is the array of Pipeline_Use_Elements\n");
885 fprintf(fp_hpp, " Pipeline_Use_Element * _elements;\n\n");
886 fprintf(fp_hpp, "public:\n");
887 fprintf(fp_hpp, " Pipeline_Use(uint resources_used, uint resources_used_exclusively, uint count, Pipeline_Use_Element *elements)\n");
888 fprintf(fp_hpp, " : _resources_used(resources_used)\n");
889 fprintf(fp_hpp, " , _resources_used_exclusively(resources_used_exclusively)\n");
890 fprintf(fp_hpp, " , _count(count)\n");
891 fprintf(fp_hpp, " , _elements(elements)\n");
892 fprintf(fp_hpp, " {}\n\n");
893 fprintf(fp_hpp, " uint resourcesUsed() const { return _resources_used; }\n\n");
894 fprintf(fp_hpp, " uint resourcesUsedExclusively() const { return _resources_used_exclusively; }\n\n");
895 fprintf(fp_hpp, " uint count() const { return _count; }\n\n");
896 fprintf(fp_hpp, " Pipeline_Use_Element * element(uint i) const { return &_elements[i]; }\n\n");
897 fprintf(fp_hpp, " uint full_latency(uint delay, const Pipeline_Use &pred) const;\n\n");
898 fprintf(fp_hpp, " void add_usage(const Pipeline_Use &pred);\n\n");
899 fprintf(fp_hpp, " void reset() {\n");
900 fprintf(fp_hpp, " _resources_used = _resources_used_exclusively = 0;\n");
901 fprintf(fp_hpp, " };\n\n");
902 fprintf(fp_hpp, " void step(uint cycles) {\n");
903 fprintf(fp_hpp, " reset();\n");
904 fprintf(fp_hpp, " for (uint i = 0; i < %d; i++)\n",
905 rescount);
906 fprintf(fp_hpp, " (&_elements[i])->step(cycles);\n");
907 fprintf(fp_hpp, " };\n\n");
908 fprintf(fp_hpp, " static const Pipeline_Use elaborated_use;\n");
909 fprintf(fp_hpp, " static const Pipeline_Use_Element elaborated_elements[%d];\n\n",
910 rescount);
911 fprintf(fp_hpp, " friend class Pipeline;\n");
912 fprintf(fp_hpp, "};\n\n");
913
914 fprintf(fp_hpp, "// Pipeline Class\n");
915 fprintf(fp_hpp, "class Pipeline {\n");
916 fprintf(fp_hpp, "public:\n");
917
918 fprintf(fp_hpp, " static bool enabled() { return %s; }\n\n",
919 _pipeline ? "true" : "false" );
920
921 assert( _pipeline->_maxInstrsPerBundle &&
922 ( _pipeline->_instrUnitSize || _pipeline->_bundleUnitSize) &&
923 _pipeline->_instrFetchUnitSize &&
924 _pipeline->_instrFetchUnits,
925 "unspecified pipeline architecture units");
926
927 uint unitSize = _pipeline->_instrUnitSize ? _pipeline->_instrUnitSize : _pipeline->_bundleUnitSize;
928
929 fprintf(fp_hpp, " enum {\n");
930 fprintf(fp_hpp, " _variable_size_instructions = %d,\n",
931 _pipeline->_variableSizeInstrs ? 1 : 0);
932 fprintf(fp_hpp, " _fixed_size_instructions = %d,\n",
933 _pipeline->_variableSizeInstrs ? 0 : 1);
934 fprintf(fp_hpp, " _branch_has_delay_slot = %d,\n",
935 _pipeline->_branchHasDelaySlot ? 1 : 0);
936 fprintf(fp_hpp, " _max_instrs_per_bundle = %d,\n",
937 _pipeline->_maxInstrsPerBundle);
938 fprintf(fp_hpp, " _max_bundles_per_cycle = %d,\n",
939 _pipeline->_maxBundlesPerCycle);
940 fprintf(fp_hpp, " _max_instrs_per_cycle = %d\n",
941 _pipeline->_maxBundlesPerCycle * _pipeline->_maxInstrsPerBundle);
942 fprintf(fp_hpp, " };\n\n");
943
944 fprintf(fp_hpp, " static bool instr_has_unit_size() { return %s; }\n\n",
945 _pipeline->_instrUnitSize != 0 ? "true" : "false" );
946 if( _pipeline->_bundleUnitSize != 0 )
947 if( _pipeline->_instrUnitSize != 0 )
948 fprintf(fp_hpp, "// Individual Instructions may be bundled together by the hardware\n\n");
949 else
950 fprintf(fp_hpp, "// Instructions exist only in bundles\n\n");
951 else
952 fprintf(fp_hpp, "// Bundling is not supported\n\n");
953 if( _pipeline->_instrUnitSize != 0 )
954 fprintf(fp_hpp, " // Size of an instruction\n");
955 else
956 fprintf(fp_hpp, " // Size of an individual instruction does not exist - unsupported\n");
957 fprintf(fp_hpp, " static uint instr_unit_size() {");
958 if( _pipeline->_instrUnitSize == 0 )
959 fprintf(fp_hpp, " assert( false, \"Instructions are only in bundles\" );");
960 fprintf(fp_hpp, " return %d; };\n\n", _pipeline->_instrUnitSize);
961
962 if( _pipeline->_bundleUnitSize != 0 )
963 fprintf(fp_hpp, " // Size of a bundle\n");
964 else
965 fprintf(fp_hpp, " // Bundles do not exist - unsupported\n");
966 fprintf(fp_hpp, " static uint bundle_unit_size() {");
967 if( _pipeline->_bundleUnitSize == 0 )
968 fprintf(fp_hpp, " assert( false, \"Bundles are not supported\" );");
969 fprintf(fp_hpp, " return %d; };\n\n", _pipeline->_bundleUnitSize);
970
971 fprintf(fp_hpp, " static bool requires_bundling() { return %s; }\n\n",
972 _pipeline->_bundleUnitSize != 0 && _pipeline->_instrUnitSize == 0 ? "true" : "false" );
973
974 fprintf(fp_hpp, "private:\n");
975 fprintf(fp_hpp, " Pipeline(); // Not a legal constructor\n");
976 fprintf(fp_hpp, "\n");
977 fprintf(fp_hpp, " const unsigned char _read_stage_count;\n");
978 fprintf(fp_hpp, " const unsigned char _write_stage;\n");
979 fprintf(fp_hpp, " const unsigned char _fixed_latency;\n");
980 fprintf(fp_hpp, " const unsigned char _instruction_count;\n");
981 fprintf(fp_hpp, " const bool _has_fixed_latency;\n");
982 fprintf(fp_hpp, " const bool _has_branch_delay;\n");
983 fprintf(fp_hpp, " const bool _has_multiple_bundles;\n");
984 fprintf(fp_hpp, " const bool _force_serialization;\n");
985 fprintf(fp_hpp, " const bool _may_have_no_code;\n");
986 fprintf(fp_hpp, " const enum machPipelineStages * const _read_stages;\n");
987 fprintf(fp_hpp, " const enum machPipelineStages * const _resource_stage;\n");
988 fprintf(fp_hpp, " const uint * const _resource_cycles;\n");
989 fprintf(fp_hpp, " const Pipeline_Use _resource_use;\n");
990 fprintf(fp_hpp, "\n");
991 fprintf(fp_hpp, "public:\n");
992 fprintf(fp_hpp, " Pipeline(uint write_stage,\n");
993 fprintf(fp_hpp, " uint count,\n");
994 fprintf(fp_hpp, " bool has_fixed_latency,\n");
995 fprintf(fp_hpp, " uint fixed_latency,\n");
996 fprintf(fp_hpp, " uint instruction_count,\n");
997 fprintf(fp_hpp, " bool has_branch_delay,\n");
998 fprintf(fp_hpp, " bool has_multiple_bundles,\n");
999 fprintf(fp_hpp, " bool force_serialization,\n");
1000 fprintf(fp_hpp, " bool may_have_no_code,\n");
1001 fprintf(fp_hpp, " enum machPipelineStages * const dst,\n");
1002 fprintf(fp_hpp, " enum machPipelineStages * const stage,\n");
1003 fprintf(fp_hpp, " uint * const cycles,\n");
1004 fprintf(fp_hpp, " Pipeline_Use resource_use)\n");
1005 fprintf(fp_hpp, " : _write_stage(write_stage)\n");
1006 fprintf(fp_hpp, " , _read_stage_count(count)\n");
1007 fprintf(fp_hpp, " , _has_fixed_latency(has_fixed_latency)\n");
1008 fprintf(fp_hpp, " , _fixed_latency(fixed_latency)\n");
1009 fprintf(fp_hpp, " , _read_stages(dst)\n");
1010 fprintf(fp_hpp, " , _resource_stage(stage)\n");
1011 fprintf(fp_hpp, " , _resource_cycles(cycles)\n");
1012 fprintf(fp_hpp, " , _resource_use(resource_use)\n");
1013 fprintf(fp_hpp, " , _instruction_count(instruction_count)\n");
1014 fprintf(fp_hpp, " , _has_branch_delay(has_branch_delay)\n");
1015 fprintf(fp_hpp, " , _has_multiple_bundles(has_multiple_bundles)\n");
1016 fprintf(fp_hpp, " , _force_serialization(force_serialization)\n");
1017 fprintf(fp_hpp, " , _may_have_no_code(may_have_no_code)\n");
1018 fprintf(fp_hpp, " {};\n");
1019 fprintf(fp_hpp, "\n");
1020 fprintf(fp_hpp, " uint writeStage() const {\n");
1021 fprintf(fp_hpp, " return (_write_stage);\n");
1022 fprintf(fp_hpp, " }\n");
1023 fprintf(fp_hpp, "\n");
1024 fprintf(fp_hpp, " enum machPipelineStages readStage(int ndx) const {\n");
1025 fprintf(fp_hpp, " return (ndx < _read_stage_count ? _read_stages[ndx] : stage_undefined);");
1026 fprintf(fp_hpp, " }\n\n");
1027 fprintf(fp_hpp, " uint resourcesUsed() const {\n");
1028 fprintf(fp_hpp, " return _resource_use.resourcesUsed();\n }\n\n");
1029 fprintf(fp_hpp, " uint resourcesUsedExclusively() const {\n");
1030 fprintf(fp_hpp, " return _resource_use.resourcesUsedExclusively();\n }\n\n");
1031 fprintf(fp_hpp, " bool hasFixedLatency() const {\n");
1032 fprintf(fp_hpp, " return (_has_fixed_latency);\n }\n\n");
1033 fprintf(fp_hpp, " uint fixedLatency() const {\n");
1034 fprintf(fp_hpp, " return (_fixed_latency);\n }\n\n");
1035 fprintf(fp_hpp, " uint functional_unit_latency(uint start, const Pipeline *pred) const;\n\n");
1036 fprintf(fp_hpp, " uint operand_latency(uint opnd, const Pipeline *pred) const;\n\n");
1037 fprintf(fp_hpp, " const Pipeline_Use& resourceUse() const {\n");
1038 fprintf(fp_hpp, " return (_resource_use); }\n\n");
1039 fprintf(fp_hpp, " const Pipeline_Use_Element * resourceUseElement(uint i) const {\n");
1040 fprintf(fp_hpp, " return (&_resource_use._elements[i]); }\n\n");
1041 fprintf(fp_hpp, " uint resourceUseCount() const {\n");
1042 fprintf(fp_hpp, " return (_resource_use._count); }\n\n");
1043 fprintf(fp_hpp, " uint instructionCount() const {\n");
1044 fprintf(fp_hpp, " return (_instruction_count); }\n\n");
1045 fprintf(fp_hpp, " bool hasBranchDelay() const {\n");
1046 fprintf(fp_hpp, " return (_has_branch_delay); }\n\n");
1047 fprintf(fp_hpp, " bool hasMultipleBundles() const {\n");
1048 fprintf(fp_hpp, " return (_has_multiple_bundles); }\n\n");
1049 fprintf(fp_hpp, " bool forceSerialization() const {\n");
1050 fprintf(fp_hpp, " return (_force_serialization); }\n\n");
1051 fprintf(fp_hpp, " bool mayHaveNoCode() const {\n");
1052 fprintf(fp_hpp, " return (_may_have_no_code); }\n\n");
1053 fprintf(fp_hpp, "//const Pipeline_Use_Cycle_Mask& resourceUseMask(int resource) const {\n");
1054 fprintf(fp_hpp, "// return (_resource_use_masks[resource]); }\n\n");
1055 fprintf(fp_hpp, "\n#ifndef PRODUCT\n");
1056 fprintf(fp_hpp, " static const char * stageName(uint i);\n");
1057 fprintf(fp_hpp, "#endif\n");
1058 fprintf(fp_hpp, "};\n\n");
1059
1060 fprintf(fp_hpp, "// Bundle class\n");
1061 fprintf(fp_hpp, "class Bundle {\n");
1062
1063 uint mshift = 0;
1064 for (uint msize = _pipeline->_maxInstrsPerBundle * _pipeline->_maxBundlesPerCycle; msize != 0; msize >>= 1)
1065 mshift++;
1066
1067 uint rshift = rescount;
1068
1069 fprintf(fp_hpp, "protected:\n");
1070 fprintf(fp_hpp, " enum {\n");
1071 fprintf(fp_hpp, " _unused_delay = 0x%x,\n", 0);
1072 fprintf(fp_hpp, " _use_nop_delay = 0x%x,\n", 1);
1073 fprintf(fp_hpp, " _use_unconditional_delay = 0x%x,\n", 2);
1074 fprintf(fp_hpp, " _use_conditional_delay = 0x%x,\n", 3);
1075 fprintf(fp_hpp, " _used_in_conditional_delay = 0x%x,\n", 4);
1076 fprintf(fp_hpp, " _used_in_unconditional_delay = 0x%x,\n", 5);
1077 fprintf(fp_hpp, " _used_in_all_conditional_delays = 0x%x,\n", 6);
1078 fprintf(fp_hpp, "\n");
1079 fprintf(fp_hpp, " _use_delay = 0x%x,\n", 3);
1080 fprintf(fp_hpp, " _used_in_delay = 0x%x\n", 4);
1081 fprintf(fp_hpp, " };\n\n");
1082 fprintf(fp_hpp, " uint _flags : 3,\n");
1083 fprintf(fp_hpp, " _starts_bundle : 1,\n");
1084 fprintf(fp_hpp, " _instr_count : %d,\n", mshift);
1085 fprintf(fp_hpp, " _resources_used : %d;\n", rshift);
1086 fprintf(fp_hpp, "public:\n");
1087 fprintf(fp_hpp, " Bundle() : _flags(_unused_delay), _starts_bundle(0), _instr_count(0), _resources_used(0) {}\n\n");
1088 fprintf(fp_hpp, " void set_instr_count(uint i) { _instr_count = i; }\n");
1089 fprintf(fp_hpp, " void set_resources_used(uint i) { _resources_used = i; }\n");
1090 fprintf(fp_hpp, " void clear_usage() { _flags = _unused_delay; }\n");
1091 fprintf(fp_hpp, " void set_starts_bundle() { _starts_bundle = true; }\n");
1092
1093 fprintf(fp_hpp, " uint flags() const { return (_flags); }\n");
1094 fprintf(fp_hpp, " uint instr_count() const { return (_instr_count); }\n");
1095 fprintf(fp_hpp, " uint resources_used() const { return (_resources_used); }\n");
1096 fprintf(fp_hpp, " bool starts_bundle() const { return (_starts_bundle != 0); }\n");
1097
1098 fprintf(fp_hpp, " void set_use_nop_delay() { _flags = _use_nop_delay; }\n");
1099 fprintf(fp_hpp, " void set_use_unconditional_delay() { _flags = _use_unconditional_delay; }\n");
1100 fprintf(fp_hpp, " void set_use_conditional_delay() { _flags = _use_conditional_delay; }\n");
1101 fprintf(fp_hpp, " void set_used_in_unconditional_delay() { _flags = _used_in_unconditional_delay; }\n");
1102 fprintf(fp_hpp, " void set_used_in_conditional_delay() { _flags = _used_in_conditional_delay; }\n");
1103 fprintf(fp_hpp, " void set_used_in_all_conditional_delays() { _flags = _used_in_all_conditional_delays; }\n");
1104
1105 fprintf(fp_hpp, " bool use_nop_delay() { return (_flags == _use_nop_delay); }\n");
1106 fprintf(fp_hpp, " bool use_unconditional_delay() { return (_flags == _use_unconditional_delay); }\n");
1107 fprintf(fp_hpp, " bool use_conditional_delay() { return (_flags == _use_conditional_delay); }\n");
1108 fprintf(fp_hpp, " bool used_in_unconditional_delay() { return (_flags == _used_in_unconditional_delay); }\n");
1109 fprintf(fp_hpp, " bool used_in_conditional_delay() { return (_flags == _used_in_conditional_delay); }\n");
1110 fprintf(fp_hpp, " bool used_in_all_conditional_delays() { return (_flags == _used_in_all_conditional_delays); }\n");
1111 fprintf(fp_hpp, " bool use_delay() { return ((_flags & _use_delay) != 0); }\n");
1112 fprintf(fp_hpp, " bool used_in_delay() { return ((_flags & _used_in_delay) != 0); }\n\n");
1113
1114 fprintf(fp_hpp, " enum {\n");
1115 fprintf(fp_hpp, " _nop_count = %d\n",
1116 _pipeline->_nopcnt);
1117 fprintf(fp_hpp, " };\n\n");
1118 fprintf(fp_hpp, " static void initialize_nops(MachNode *nop_list[%d], Compile* C);\n\n",
1119 _pipeline->_nopcnt);
1120 fprintf(fp_hpp, "#ifndef PRODUCT\n");
1121 fprintf(fp_hpp, " void dump(outputStream *st = tty) const;\n");
1122 fprintf(fp_hpp, "#endif\n");
1123 fprintf(fp_hpp, "};\n\n");
1124
1125 // const char *classname;
1126 // for (_pipeline->_classlist.reset(); (classname = _pipeline->_classlist.iter()) != NULL; ) {
1127 // PipeClassForm *pipeclass = _pipeline->_classdict[classname]->is_pipeclass();
1128 // fprintf(fp_hpp, "// Pipeline Class Instance for \"%s\"\n", classname);
1129 // }
1130 }
1131
1132 //------------------------------declareClasses---------------------------------
1133 // Construct the class hierarchy of MachNode classes from the instruction &
1134 // operand lists
1135 void ArchDesc::declareClasses(FILE *fp) {
1136
1137 // Declare an array containing the machine register names, strings.
1138 declareRegNames(fp, _register);
1139
1140 // Declare an array containing the machine register encoding values
1141 declareRegEncodes(fp, _register);
1142
1143 // Generate declarations for the total number of operands
1144 fprintf(fp,"\n");
1145 fprintf(fp,"// Total number of operands defined in architecture definition\n");
1146 int num_operands = 0;
1147 OperandForm *op;
1148 for (_operands.reset(); (op = (OperandForm*)_operands.iter()) != NULL; ) {
1149 // Ensure this is a machine-world instruction
1150 if (op->ideal_only()) continue;
1151
1152 ++num_operands;
1153 }
1154 int first_operand_class = num_operands;
1155 OpClassForm *opc;
1156 for (_opclass.reset(); (opc = (OpClassForm*)_opclass.iter()) != NULL; ) {
1157 // Ensure this is a machine-world instruction
1158 if (opc->ideal_only()) continue;
1159
1160 ++num_operands;
1161 }
1162 fprintf(fp,"#define FIRST_OPERAND_CLASS %d\n", first_operand_class);
1163 fprintf(fp,"#define NUM_OPERANDS %d\n", num_operands);
1164 fprintf(fp,"\n");
1165 // Generate declarations for the total number of instructions
1166 fprintf(fp,"// Total number of instructions defined in architecture definition\n");
1167 fprintf(fp,"#define NUM_INSTRUCTIONS %d\n",instructFormCount());
1168
1169
1170 // Generate Machine Classes for each operand defined in AD file
1171 fprintf(fp,"\n");
1172 fprintf(fp,"//----------------------------Declare classes derived from MachOper----------\n");
1173 // Iterate through all operands
1174 _operands.reset();
1175 OperandForm *oper;
1176 for( ; (oper = (OperandForm*)_operands.iter()) != NULL;) {
1177 // Ensure this is a machine-world instruction
1178 if (oper->ideal_only() ) continue;
1179 // The declaration of labelOper is in machine-independent file: machnode
1180 if ( strcmp(oper->_ident,"label") == 0 ) continue;
1181 // The declaration of methodOper is in machine-independent file: machnode
1182 if ( strcmp(oper->_ident,"method") == 0 ) continue;
1183
1184 // Build class definition for this operand
1185 fprintf(fp,"\n");
1186 fprintf(fp,"class %sOper : public MachOper { \n",oper->_ident);
1187 fprintf(fp,"private:\n");
1188 // Operand definitions that depend upon number of input edges
1189 {
1190 uint num_edges = oper->num_edges(_globalNames);
1191 if( num_edges != 1 ) { // Use MachOper::num_edges() {return 1;}
1192 fprintf(fp," virtual uint num_edges() const { return %d; }\n",
1193 num_edges );
1194 }
1195 if( num_edges > 0 ) {
1196 in_RegMask(fp);
1197 }
1198 }
1199
1200 // Support storing constants inside the MachOper
1201 declareConstStorage(fp,_globalNames,oper);
1202
1203 // Support storage of the condition codes
1204 if( oper->is_ideal_bool() ) {
1205 fprintf(fp," virtual int ccode() const { \n");
1206 fprintf(fp," switch (_c0) {\n");
1207 fprintf(fp," case BoolTest::eq : return equal();\n");
1208 fprintf(fp," case BoolTest::gt : return greater();\n");
1209 fprintf(fp," case BoolTest::lt : return less();\n");
1210 fprintf(fp," case BoolTest::ne : return not_equal();\n");
1211 fprintf(fp," case BoolTest::le : return less_equal();\n");
1212 fprintf(fp," case BoolTest::ge : return greater_equal();\n");
1213 fprintf(fp," case BoolTest::overflow : return overflow();\n");
1214 fprintf(fp," case BoolTest::no_overflow: return no_overflow();\n");
1215 fprintf(fp," default : ShouldNotReachHere(); return 0;\n");
1216 fprintf(fp," }\n");
1217 fprintf(fp," };\n");
1218 }
1219
1220 // Support storage of the condition codes
1221 if( oper->is_ideal_bool() ) {
1222 fprintf(fp," virtual void negate() { \n");
1223 fprintf(fp," _c0 = (BoolTest::mask)((int)_c0^0x4); \n");
1224 fprintf(fp," };\n");
1225 }
1226
1227 // Declare constructor.
1228 // Parameters start with condition code, then all other constants
1229 //
1230 // (1) MachXOper(int32 ccode, int32 c0, int32 c1, ..., int32 cn)
1231 // (2) : _ccode(ccode), _c0(c0), _c1(c1), ..., _cn(cn) { }
1232 //
1233 Form::DataType constant_type = oper->simple_type(_globalNames);
1234 defineConstructor(fp, oper->_ident, oper->num_consts(_globalNames),
1235 oper->_components, oper->is_ideal_bool(),
1236 constant_type, _globalNames);
1237
1238 // Clone function
1239 fprintf(fp," virtual MachOper *clone(Compile* C) const;\n");
1240
1241 // Support setting a spill offset into a constant operand.
1242 // We only support setting an 'int' offset, while in the
1243 // LP64 build spill offsets are added with an AddP which
1244 // requires a long constant. Thus we don't support spilling
1245 // in frames larger than 4Gig.
1246 if( oper->has_conI(_globalNames) ||
1247 oper->has_conL(_globalNames) )
1248 fprintf(fp, " virtual void set_con( jint c0 ) { _c0 = c0; }\n");
1249
1250 // virtual functions for encoding and format
1251 // fprintf(fp," virtual void encode() const {\n %s }\n",
1252 // (oper->_encrule)?(oper->_encrule->_encrule):"");
1253 // Check the interface type, and generate the correct query functions
1254 // encoding queries based upon MEMORY_INTER, REG_INTER, CONST_INTER.
1255
1256 fprintf(fp," virtual uint opcode() const { return %s; }\n",
1257 machOperEnum(oper->_ident));
1258
1259 // virtual function to look up ideal return type of machine instruction
1260 //
1261 // (1) virtual const Type *type() const { return .....; }
1262 //
1263 if ((oper->_matrule) && (oper->_matrule->_lChild == NULL) &&
1264 (oper->_matrule->_rChild == NULL)) {
1265 unsigned int position = 0;
1266 const char *opret, *opname, *optype;
1267 oper->_matrule->base_operand(position,_globalNames,opret,opname,optype);
1268 fprintf(fp," virtual const Type *type() const {");
1269 const char *type = getIdealType(optype);
1270 if( type != NULL ) {
1271 Form::DataType data_type = oper->is_base_constant(_globalNames);
1272 // Check if we are an ideal pointer type
1273 if( data_type == Form::idealP || data_type == Form::idealN || data_type == Form::idealNKlass ) {
1274 // Return the ideal type we already have: <TypePtr *>
1275 fprintf(fp," return _c0;");
1276 } else {
1277 // Return the appropriate bottom type
1278 fprintf(fp," return %s;", getIdealType(optype));
1279 }
1280 } else {
1281 fprintf(fp," ShouldNotCallThis(); return Type::BOTTOM;");
1282 }
1283 fprintf(fp," }\n");
1284 } else {
1285 // Check for user-defined stack slots, based upon sRegX
1286 Form::DataType data_type = oper->is_user_name_for_sReg();
1287 if( data_type != Form::none ){
1288 const char *type = NULL;
1289 switch( data_type ) {
1290 case Form::idealI: type = "TypeInt::INT"; break;
1291 case Form::idealP: type = "TypePtr::BOTTOM";break;
1292 case Form::idealF: type = "Type::FLOAT"; break;
1293 case Form::idealD: type = "Type::DOUBLE"; break;
1294 case Form::idealL: type = "TypeLong::LONG"; break;
1295 case Form::none: // fall through
1296 default:
1297 assert( false, "No support for this type of stackSlot");
1298 }
1299 fprintf(fp," virtual const Type *type() const { return %s; } // stackSlotX\n", type);
1300 }
1301 }
1302
1303
1304 //
1305 // virtual functions for defining the encoding interface.
1306 //
1307 // Access the linearized ideal register mask,
1308 // map to physical register encoding
1309 if ( oper->_matrule && oper->_matrule->is_base_register(_globalNames) ) {
1310 // Just use the default virtual 'reg' call
1311 } else if ( oper->ideal_to_sReg_type(oper->_ident) != Form::none ) {
1312 // Special handling for operand 'sReg', a Stack Slot Register.
1313 // Map linearized ideal register mask to stack slot number
1314 fprintf(fp," virtual int reg(PhaseRegAlloc *ra_, const Node *node) const {\n");
1315 fprintf(fp," return (int)OptoReg::reg2stack(ra_->get_reg_first(node));/* sReg */\n");
1316 fprintf(fp," }\n");
1317 fprintf(fp," virtual int reg(PhaseRegAlloc *ra_, const Node *node, int idx) const {\n");
1318 fprintf(fp," return (int)OptoReg::reg2stack(ra_->get_reg_first(node->in(idx)));/* sReg */\n");
1319 fprintf(fp," }\n");
1320 }
1321
1322 // Output the operand specific access functions used by an enc_class
1323 // These are only defined when we want to override the default virtual func
1324 if (oper->_interface != NULL) {
1325 fprintf(fp,"\n");
1326 // Check if it is a Memory Interface
1327 if ( oper->_interface->is_MemInterface() != NULL ) {
1328 MemInterface *mem_interface = oper->_interface->is_MemInterface();
1329 const char *base = mem_interface->_base;
1330 if( base != NULL ) {
1331 define_oper_interface(fp, *oper, _globalNames, "base", base);
1332 }
1333 char *index = mem_interface->_index;
1334 if( index != NULL ) {
1335 define_oper_interface(fp, *oper, _globalNames, "index", index);
1336 }
1337 const char *scale = mem_interface->_scale;
1338 if( scale != NULL ) {
1339 define_oper_interface(fp, *oper, _globalNames, "scale", scale);
1340 }
1341 const char *disp = mem_interface->_disp;
1342 if( disp != NULL ) {
1343 define_oper_interface(fp, *oper, _globalNames, "disp", disp);
1344 oper->disp_is_oop(fp, _globalNames);
1345 }
1346 if( oper->stack_slots_only(_globalNames) ) {
1347 // should not call this:
1348 fprintf(fp," virtual int constant_disp() const { return Type::OffsetBot; }");
1349 } else if ( disp != NULL ) {
1350 define_oper_interface(fp, *oper, _globalNames, "constant_disp", disp);
1351 }
1352 } // end Memory Interface
1353 // Check if it is a Conditional Interface
1354 else if (oper->_interface->is_CondInterface() != NULL) {
1355 CondInterface *cInterface = oper->_interface->is_CondInterface();
1356 const char *equal = cInterface->_equal;
1357 if( equal != NULL ) {
1358 define_oper_interface(fp, *oper, _globalNames, "equal", equal);
1359 }
1360 const char *not_equal = cInterface->_not_equal;
1361 if( not_equal != NULL ) {
1362 define_oper_interface(fp, *oper, _globalNames, "not_equal", not_equal);
1363 }
1364 const char *less = cInterface->_less;
1365 if( less != NULL ) {
1366 define_oper_interface(fp, *oper, _globalNames, "less", less);
1367 }
1368 const char *greater_equal = cInterface->_greater_equal;
1369 if( greater_equal != NULL ) {
1370 define_oper_interface(fp, *oper, _globalNames, "greater_equal", greater_equal);
1371 }
1372 const char *less_equal = cInterface->_less_equal;
1373 if( less_equal != NULL ) {
1374 define_oper_interface(fp, *oper, _globalNames, "less_equal", less_equal);
1375 }
1376 const char *greater = cInterface->_greater;
1377 if( greater != NULL ) {
1378 define_oper_interface(fp, *oper, _globalNames, "greater", greater);
1379 }
1380 const char *overflow = cInterface->_overflow;
1381 if( overflow != NULL ) {
1382 define_oper_interface(fp, *oper, _globalNames, "overflow", overflow);
1383 }
1384 const char *no_overflow = cInterface->_no_overflow;
1385 if( no_overflow != NULL ) {
1386 define_oper_interface(fp, *oper, _globalNames, "no_overflow", no_overflow);
1387 }
1388 } // end Conditional Interface
1389 // Check if it is a Constant Interface
1390 else if (oper->_interface->is_ConstInterface() != NULL ) {
1391 assert( oper->num_consts(_globalNames) == 1,
1392 "Must have one constant when using CONST_INTER encoding");
1393 if (!strcmp(oper->ideal_type(_globalNames), "ConI")) {
1394 // Access the locally stored constant
1395 fprintf(fp," virtual intptr_t constant() const {");
1396 fprintf(fp, " return (intptr_t)_c0;");
1397 fprintf(fp," }\n");
1398 }
1399 else if (!strcmp(oper->ideal_type(_globalNames), "ConP")) {
1400 // Access the locally stored constant
1401 fprintf(fp," virtual intptr_t constant() const {");
1402 fprintf(fp, " return _c0->get_con();");
1403 fprintf(fp, " }\n");
1404 // Generate query to determine if this pointer is an oop
1405 fprintf(fp," virtual relocInfo::relocType constant_reloc() const {");
1406 fprintf(fp, " return _c0->reloc();");
1407 fprintf(fp, " }\n");
1408 }
1409 else if (!strcmp(oper->ideal_type(_globalNames), "ConN")) {
1410 // Access the locally stored constant
1411 fprintf(fp," virtual intptr_t constant() const {");
1412 fprintf(fp, " return _c0->get_ptrtype()->get_con();");
1413 fprintf(fp, " }\n");
1414 // Generate query to determine if this pointer is an oop
1415 fprintf(fp," virtual relocInfo::relocType constant_reloc() const {");
1416 fprintf(fp, " return _c0->get_ptrtype()->reloc();");
1417 fprintf(fp, " }\n");
1418 }
1419 else if (!strcmp(oper->ideal_type(_globalNames), "ConNKlass")) {
1420 // Access the locally stored constant
1421 fprintf(fp," virtual intptr_t constant() const {");
1422 fprintf(fp, " return _c0->get_ptrtype()->get_con();");
1423 fprintf(fp, " }\n");
1424 // Generate query to determine if this pointer is an oop
1425 fprintf(fp," virtual relocInfo::relocType constant_reloc() const {");
1426 fprintf(fp, " return _c0->get_ptrtype()->reloc();");
1427 fprintf(fp, " }\n");
1428 }
1429 else if (!strcmp(oper->ideal_type(_globalNames), "ConL")) {
1430 fprintf(fp," virtual intptr_t constant() const {");
1431 // We don't support addressing modes with > 4Gig offsets.
1432 // Truncate to int.
1433 fprintf(fp, " return (intptr_t)_c0;");
1434 fprintf(fp, " }\n");
1435 fprintf(fp," virtual jlong constantL() const {");
1436 fprintf(fp, " return _c0;");
1437 fprintf(fp, " }\n");
1438 }
1439 else if (!strcmp(oper->ideal_type(_globalNames), "ConF")) {
1440 fprintf(fp," virtual intptr_t constant() const {");
1441 fprintf(fp, " ShouldNotReachHere(); return 0; ");
1442 fprintf(fp, " }\n");
1443 fprintf(fp," virtual jfloat constantF() const {");
1444 fprintf(fp, " return (jfloat)_c0;");
1445 fprintf(fp, " }\n");
1446 }
1447 else if (!strcmp(oper->ideal_type(_globalNames), "ConD")) {
1448 fprintf(fp," virtual intptr_t constant() const {");
1449 fprintf(fp, " ShouldNotReachHere(); return 0; ");
1450 fprintf(fp, " }\n");
1451 fprintf(fp," virtual jdouble constantD() const {");
1452 fprintf(fp, " return _c0;");
1453 fprintf(fp, " }\n");
1454 }
1455 }
1456 else if (oper->_interface->is_RegInterface() != NULL) {
1457 // make sure that a fixed format string isn't used for an
1458 // operand which might be assiged to multiple registers.
1459 // Otherwise the opto assembly output could be misleading.
1460 if (oper->_format->_strings.count() != 0 && !oper->is_bound_register()) {
1461 syntax_err(oper->_linenum,
1462 "Only bound registers can have fixed formats: %s\n",
1463 oper->_ident);
1464 }
1465 }
1466 else {
1467 assert( false, "ShouldNotReachHere();");
1468 }
1469 }
1470
1471 fprintf(fp,"\n");
1472 // // Currently all XXXOper::hash() methods are identical (990820)
1473 // declare_hash(fp);
1474 // // Currently all XXXOper::Cmp() methods are identical (990820)
1475 // declare_cmp(fp);
1476
1477 // Do not place dump_spec() and Name() into PRODUCT code
1478 // int_format and ext_format are not needed in PRODUCT code either
1479 fprintf(fp, "#ifndef PRODUCT\n");
1480
1481 // Declare int_format() and ext_format()
1482 gen_oper_format(fp, _globalNames, *oper);
1483
1484 // Machine independent print functionality for debugging
1485 // IF we have constants, create a dump_spec function for the derived class
1486 //
1487 // (1) virtual void dump_spec() const {
1488 // (2) st->print("#%d", _c#); // Constant != ConP
1489 // OR _c#->dump_on(st); // Type ConP
1490 // ...
1491 // (3) }
1492 uint num_consts = oper->num_consts(_globalNames);
1493 if( num_consts > 0 ) {
1494 // line (1)
1495 fprintf(fp, " virtual void dump_spec(outputStream *st) const {\n");
1496 // generate format string for st->print
1497 // Iterate over the component list & spit out the right thing
1498 uint i = 0;
1499 const char *type = oper->ideal_type(_globalNames);
1500 Component *comp;
1501 oper->_components.reset();
1502 if ((comp = oper->_components.iter()) == NULL) {
1503 assert(num_consts == 1, "Bad component list detected.\n");
1504 i = dump_spec_constant( fp, type, i, oper );
1505 // Check that type actually matched
1506 assert( i != 0, "Non-constant operand lacks component list.");
1507 } // end if NULL
1508 else {
1509 // line (2)
1510 // dump all components
1511 oper->_components.reset();
1512 while((comp = oper->_components.iter()) != NULL) {
1513 type = comp->base_type(_globalNames);
1514 i = dump_spec_constant( fp, type, i, NULL );
1515 }
1516 }
1517 // finish line (3)
1518 fprintf(fp," }\n");
1519 }
1520
1521 fprintf(fp," virtual const char *Name() const { return \"%s\";}\n",
1522 oper->_ident);
1523
1524 fprintf(fp,"#endif\n");
1525
1526 // Close definition of this XxxMachOper
1527 fprintf(fp,"};\n");
1528 }
1529
1530
1531 // Generate Machine Classes for each instruction defined in AD file
1532 fprintf(fp,"\n");
1533 fprintf(fp,"//----------------------------Declare classes for Pipelines-----------------\n");
1534 declare_pipe_classes(fp);
1535
1536 // Generate Machine Classes for each instruction defined in AD file
1537 fprintf(fp,"\n");
1538 fprintf(fp,"//----------------------------Declare classes derived from MachNode----------\n");
1539 _instructions.reset();
1540 InstructForm *instr;
1541 for( ; (instr = (InstructForm*)_instructions.iter()) != NULL; ) {
1542 // Ensure this is a machine-world instruction
1543 if ( instr->ideal_only() ) continue;
1544
1545 // Build class definition for this instruction
1546 fprintf(fp,"\n");
1547 fprintf(fp,"class %sNode : public %s { \n",
1548 instr->_ident, instr->mach_base_class(_globalNames) );
1549 fprintf(fp,"private:\n");
1550 fprintf(fp," MachOper *_opnd_array[%d];\n", instr->num_opnds() );
1551 if ( instr->is_ideal_jump() ) {
1552 fprintf(fp, " GrowableArray<Label*> _index2label;\n");
1553 }
1554
1555 fprintf(fp, "public:\n");
1556
1557 Attribute *att = instr->_attribs;
1558 // Fields of the node specified in the ad file.
1559 while (att != NULL) {
1560 if (strncmp(att->_ident, "ins_field_", 10) == 0) {
1561 const char *field_name = att->_ident+10;
1562 const char *field_type = att->_val;
1563 fprintf(fp, " %s _%s;\n", field_type, field_name);
1564 }
1565 att = (Attribute *)att->_next;
1566 }
1567
1568 fprintf(fp," MachOper *opnd_array(uint operand_index) const {\n");
1569 fprintf(fp," assert(operand_index < _num_opnds, \"invalid _opnd_array index\");\n");
1570 fprintf(fp," return _opnd_array[operand_index];\n");
1571 fprintf(fp," }\n");
1572 fprintf(fp," void set_opnd_array(uint operand_index, MachOper *operand) {\n");
1573 fprintf(fp," assert(operand_index < _num_opnds, \"invalid _opnd_array index\");\n");
1574 fprintf(fp," _opnd_array[operand_index] = operand;\n");
1575 fprintf(fp," }\n");
1576 fprintf(fp,"private:\n");
1577 if ( instr->is_ideal_jump() ) {
1578 fprintf(fp," virtual void add_case_label(int index_num, Label* blockLabel) {\n");
1579 fprintf(fp," _index2label.at_put_grow(index_num, blockLabel);\n");
1580 fprintf(fp," }\n");
1581 }
1582 if( can_cisc_spill() && (instr->cisc_spill_alternate() != NULL) ) {
1583 fprintf(fp," const RegMask *_cisc_RegMask;\n");
1584 }
1585
1586 out_RegMask(fp); // output register mask
1587 fprintf(fp," virtual uint rule() const { return %s_rule; }\n",
1588 instr->_ident);
1589
1590 // If this instruction contains a labelOper
1591 // Declare Node::methods that set operand Label's contents
1592 int label_position = instr->label_position();
1593 if( label_position != -1 ) {
1594 // Set/Save the label, stored in labelOper::_branch_label
1595 fprintf(fp," virtual void label_set( Label* label, uint block_num );\n");
1596 fprintf(fp," virtual void save_label( Label** label, uint* block_num );\n");
1597 }
1598
1599 // If this instruction contains a methodOper
1600 // Declare Node::methods that set operand method's contents
1601 int method_position = instr->method_position();
1602 if( method_position != -1 ) {
1603 // Set the address method, stored in methodOper::_method
1604 fprintf(fp," virtual void method_set( intptr_t method );\n");
1605 }
1606
1607 // virtual functions for attributes
1608 //
1609 // Each instruction attribute results in a virtual call of same name.
1610 // The ins_cost is not handled here.
1611 Attribute *attr = instr->_attribs;
1612 bool avoid_back_to_back = false;
1613 while (attr != NULL) {
1614 if (strcmp (attr->_ident,"ins_cost") &&
1615 strncmp(attr->_ident,"ins_field_", 10) != 0 &&
1616 strcmp (attr->_ident,"ins_short_branch")) {
1617 fprintf(fp," int %s() const { return %s; }\n",
1618 attr->_ident, attr->_val);
1619 }
1620 // Check value for ins_avoid_back_to_back, and if it is true (1), set the flag
1621 if (!strcmp(attr->_ident,"ins_avoid_back_to_back") && attr->int_val(*this) != 0)
1622 avoid_back_to_back = true;
1623 attr = (Attribute *)attr->_next;
1624 }
1625
1626 // virtual functions for encode and format
1627
1628 // Virtual function for evaluating the constant.
1629 if (instr->is_mach_constant()) {
1630 fprintf(fp," virtual void eval_constant(Compile* C);\n");
1631 }
1632
1633 // Output the opcode function and the encode function here using the
1634 // encoding class information in the _insencode slot.
1635 if ( instr->_insencode ) {
1636 fprintf(fp," virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const;\n");
1637 }
1638
1639 // virtual function for getting the size of an instruction
1640 if ( instr->_size ) {
1641 fprintf(fp," virtual uint size(PhaseRegAlloc *ra_) const;\n");
1642 }
1643
1644 // Return the top-level ideal opcode.
1645 // Use MachNode::ideal_Opcode() for nodes based on MachNode class
1646 // if the ideal_Opcode == Op_Node.
1647 if ( strcmp("Node", instr->ideal_Opcode(_globalNames)) != 0 ||
1648 strcmp("MachNode", instr->mach_base_class(_globalNames)) != 0 ) {
1649 fprintf(fp," virtual int ideal_Opcode() const { return Op_%s; }\n",
1650 instr->ideal_Opcode(_globalNames) );
1651 }
1652
1653 // Allow machine-independent optimization, invert the sense of the IF test
1654 if( instr->is_ideal_if() ) {
1655 fprintf(fp," virtual void negate() { \n");
1656 // Identify which operand contains the negate(able) ideal condition code
1657 int idx = 0;
1658 instr->_components.reset();
1659 for( Component *comp; (comp = instr->_components.iter()) != NULL; ) {
1660 // Check that component is an operand
1661 Form *form = (Form*)_globalNames[comp->_type];
1662 OperandForm *opForm = form ? form->is_operand() : NULL;
1663 if( opForm == NULL ) continue;
1664
1665 // Lookup the position of the operand in the instruction.
1666 if( opForm->is_ideal_bool() ) {
1667 idx = instr->operand_position(comp->_name, comp->_usedef);
1668 assert( idx != NameList::Not_in_list, "Did not find component in list that contained it.");
1669 break;
1670 }
1671 }
1672 fprintf(fp," opnd_array(%d)->negate();\n", idx);
1673 fprintf(fp," _prob = 1.0f - _prob;\n");
1674 fprintf(fp," };\n");
1675 }
1676
1677
1678 // Identify which input register matches the input register.
1679 uint matching_input = instr->two_address(_globalNames);
1680
1681 // Generate the method if it returns != 0 otherwise use MachNode::two_adr()
1682 if( matching_input != 0 ) {
1683 fprintf(fp," virtual uint two_adr() const ");
1684 fprintf(fp,"{ return oper_input_base()");
1685 for( uint i = 2; i <= matching_input; i++ )
1686 fprintf(fp," + opnd_array(%d)->num_edges()",i-1);
1687 fprintf(fp,"; }\n");
1688 }
1689
1690 // Declare cisc_version, if applicable
1691 // MachNode *cisc_version( int offset /* ,... */ );
1692 instr->declare_cisc_version(*this, fp);
1693
1694 // If there is an explicit peephole rule, build it
1695 if ( instr->peepholes() != NULL ) {
1696 fprintf(fp," virtual MachNode *peephole(Block *block, int block_index, PhaseRegAlloc *ra_, int &deleted, Compile *C);\n");
1697 }
1698
1699 // Output the declaration for number of relocation entries
1700 if ( instr->reloc(_globalNames) != 0 ) {
1701 fprintf(fp," virtual int reloc() const;\n");
1702 }
1703
1704 if (instr->alignment() != 1) {
1705 fprintf(fp," virtual int alignment_required() const { return %d; }\n", instr->alignment());
1706 fprintf(fp," virtual int compute_padding(int current_offset) const;\n");
1707 }
1708
1709 // Starting point for inputs matcher wants.
1710 // Use MachNode::oper_input_base() for nodes based on MachNode class
1711 // if the base == 1.
1712 if ( instr->oper_input_base(_globalNames) != 1 ||
1713 strcmp("MachNode", instr->mach_base_class(_globalNames)) != 0 ) {
1714 fprintf(fp," virtual uint oper_input_base() const { return %d; }\n",
1715 instr->oper_input_base(_globalNames));
1716 }
1717
1718 // Make the constructor and following methods 'public:'
1719 fprintf(fp,"public:\n");
1720
1721 // Constructor
1722 if ( instr->is_ideal_jump() ) {
1723 fprintf(fp," %sNode() : _index2label(MinJumpTableSize*2) { ", instr->_ident);
1724 } else {
1725 fprintf(fp," %sNode() { ", instr->_ident);
1726 if( can_cisc_spill() && (instr->cisc_spill_alternate() != NULL) ) {
1727 fprintf(fp,"_cisc_RegMask = NULL; ");
1728 }
1729 }
1730
1731 fprintf(fp," _num_opnds = %d; _opnds = _opnd_array; ", instr->num_opnds());
1732
1733 bool node_flags_set = false;
1734 // flag: if this instruction matches an ideal 'Copy*' node
1735 if ( instr->is_ideal_copy() != 0 ) {
1736 fprintf(fp,"init_flags(Flag_is_Copy");
1737 node_flags_set = true;
1738 }
1739
1740 // Is an instruction is a constant? If so, get its type
1741 Form::DataType data_type;
1742 const char *opType = NULL;
1743 const char *result = NULL;
1744 data_type = instr->is_chain_of_constant(_globalNames, opType, result);
1745 // Check if this instruction is a constant
1746 if ( data_type != Form::none ) {
1747 if ( node_flags_set ) {
1748 fprintf(fp," | Flag_is_Con");
1749 } else {
1750 fprintf(fp,"init_flags(Flag_is_Con");
1751 node_flags_set = true;
1752 }
1753 }
1754
1755 // flag: if this instruction is cisc alternate
1756 if ( can_cisc_spill() && instr->is_cisc_alternate() ) {
1757 if ( node_flags_set ) {
1758 fprintf(fp," | Flag_is_cisc_alternate");
1759 } else {
1760 fprintf(fp,"init_flags(Flag_is_cisc_alternate");
1761 node_flags_set = true;
1762 }
1763 }
1764
1765 // flag: if this instruction has short branch form
1766 if ( instr->has_short_branch_form() ) {
1767 if ( node_flags_set ) {
1768 fprintf(fp," | Flag_may_be_short_branch");
1769 } else {
1770 fprintf(fp,"init_flags(Flag_may_be_short_branch");
1771 node_flags_set = true;
1772 }
1773 }
1774
1775 // flag: if this instruction should not be generated back to back.
1776 if ( avoid_back_to_back ) {
1777 if ( node_flags_set ) {
1778 fprintf(fp," | Flag_avoid_back_to_back");
1779 } else {
1780 fprintf(fp,"init_flags(Flag_avoid_back_to_back");
1781 node_flags_set = true;
1782 }
1783 }
1784
1785 // Check if machine instructions that USE memory, but do not DEF memory,
1786 // depend upon a node that defines memory in machine-independent graph.
1787 if ( instr->needs_anti_dependence_check(_globalNames) ) {
1788 if ( node_flags_set ) {
1789 fprintf(fp," | Flag_needs_anti_dependence_check");
1790 } else {
1791 fprintf(fp,"init_flags(Flag_needs_anti_dependence_check");
1792 node_flags_set = true;
1793 }
1794 }
1795
1796 // flag: if this instruction is implemented with a call
1797 if ( instr->_has_call ) {
1798 if ( node_flags_set ) {
1799 fprintf(fp," | Flag_has_call");
1800 } else {
1801 fprintf(fp,"init_flags(Flag_has_call");
1802 node_flags_set = true;
1803 }
1804 }
1805
1806 if ( node_flags_set ) {
1807 fprintf(fp,"); ");
1808 }
1809
1810 fprintf(fp,"}\n");
1811
1812 // size_of, used by base class's clone to obtain the correct size.
1813 fprintf(fp," virtual uint size_of() const {");
1814 fprintf(fp, " return sizeof(%sNode);", instr->_ident);
1815 fprintf(fp, " }\n");
1816
1817 // Virtual methods which are only generated to override base class
1818 if( instr->expands() || instr->needs_projections() ||
1819 instr->has_temps() ||
1820 instr->is_mach_constant() ||
1821 instr->_matrule != NULL &&
1822 instr->num_opnds() != instr->num_unique_opnds() ) {
1823 fprintf(fp," virtual MachNode *Expand(State *state, Node_List &proj_list, Node* mem);\n");
1824 }
1825
1826 if (instr->is_pinned(_globalNames)) {
1827 fprintf(fp," virtual bool pinned() const { return ");
1828 if (instr->is_parm(_globalNames)) {
1829 fprintf(fp,"_in[0]->pinned();");
1830 } else {
1831 fprintf(fp,"true;");
1832 }
1833 fprintf(fp," }\n");
1834 }
1835 if (instr->is_projection(_globalNames)) {
1836 fprintf(fp," virtual const Node *is_block_proj() const { return this; }\n");
1837 }
1838 if ( instr->num_post_match_opnds() != 0
1839 || instr->is_chain_of_constant(_globalNames) ) {
1840 fprintf(fp," friend MachNode *State::MachNodeGenerator(int opcode, Compile* C);\n");
1841 }
1842 if ( instr->rematerialize(_globalNames, get_registers()) ) {
1843 fprintf(fp," // Rematerialize %s\n", instr->_ident);
1844 }
1845
1846 // Declare short branch methods, if applicable
1847 instr->declare_short_branch_methods(fp);
1848
1849 // See if there is an "ins_pipe" declaration for this instruction
1850 if (instr->_ins_pipe) {
1851 fprintf(fp," static const Pipeline *pipeline_class();\n");
1852 fprintf(fp," virtual const Pipeline *pipeline() const;\n");
1853 }
1854
1855 // Generate virtual function for MachNodeX::bottom_type when necessary
1856 //
1857 // Note on accuracy: Pointer-types of machine nodes need to be accurate,
1858 // or else alias analysis on the matched graph may produce bad code.
1859 // Moreover, the aliasing decisions made on machine-node graph must be
1860 // no less accurate than those made on the ideal graph, or else the graph
1861 // may fail to schedule. (Reason: Memory ops which are reordered in
1862 // the ideal graph might look interdependent in the machine graph,
1863 // thereby removing degrees of scheduling freedom that the optimizer
1864 // assumed would be available.)
1865 //
1866 // %%% We should handle many of these cases with an explicit ADL clause:
1867 // instruct foo() %{ ... bottom_type(TypeRawPtr::BOTTOM); ... %}
1868 if( data_type != Form::none ) {
1869 // A constant's bottom_type returns a Type containing its constant value
1870
1871 // !!!!!
1872 // Convert all ints, floats, ... to machine-independent TypeXs
1873 // as is done for pointers
1874 //
1875 // Construct appropriate constant type containing the constant value.
1876 fprintf(fp," virtual const class Type *bottom_type() const {\n");
1877 switch( data_type ) {
1878 case Form::idealI:
1879 fprintf(fp," return TypeInt::make(opnd_array(1)->constant());\n");
1880 break;
1881 case Form::idealP:
1882 case Form::idealN:
1883 case Form::idealNKlass:
1884 fprintf(fp," return opnd_array(1)->type();\n");
1885 break;
1886 case Form::idealD:
1887 fprintf(fp," return TypeD::make(opnd_array(1)->constantD());\n");
1888 break;
1889 case Form::idealF:
1890 fprintf(fp," return TypeF::make(opnd_array(1)->constantF());\n");
1891 break;
1892 case Form::idealL:
1893 fprintf(fp," return TypeLong::make(opnd_array(1)->constantL());\n");
1894 break;
1895 default:
1896 assert( false, "Unimplemented()" );
1897 break;
1898 }
1899 fprintf(fp," };\n");
1900 }
1901 /* else if ( instr->_matrule && instr->_matrule->_rChild &&
1902 ( strcmp("ConvF2I",instr->_matrule->_rChild->_opType)==0
1903 || strcmp("ConvD2I",instr->_matrule->_rChild->_opType)==0 ) ) {
1904 // !!!!! !!!!!
1905 // Provide explicit bottom type for conversions to int
1906 // On Intel the result operand is a stackSlot, untyped.
1907 fprintf(fp," virtual const class Type *bottom_type() const {");
1908 fprintf(fp, " return TypeInt::INT;");
1909 fprintf(fp, " };\n");
1910 }*/
1911 else if( instr->is_ideal_copy() &&
1912 !strcmp(instr->_matrule->_lChild->_opType,"stackSlotP") ) {
1913 // !!!!!
1914 // Special hack for ideal Copy of pointer. Bottom type is oop or not depending on input.
1915 fprintf(fp," const Type *bottom_type() const { return in(1)->bottom_type(); } // Copy?\n");
1916 }
1917 else if( instr->is_ideal_loadPC() ) {
1918 // LoadPCNode provides the return address of a call to native code.
1919 // Define its bottom type to be TypeRawPtr::BOTTOM instead of TypePtr::BOTTOM
1920 // since it is a pointer to an internal VM location and must have a zero offset.
1921 // Allocation detects derived pointers, in part, by their non-zero offsets.
1922 fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // LoadPC?\n");
1923 }
1924 else if( instr->is_ideal_box() ) {
1925 // BoxNode provides the address of a stack slot.
1926 // Define its bottom type to be TypeRawPtr::BOTTOM instead of TypePtr::BOTTOM
1927 // This prevent s insert_anti_dependencies from complaining. It will
1928 // complain if it sees that the pointer base is TypePtr::BOTTOM since
1929 // it doesn't understand what that might alias.
1930 fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // Box?\n");
1931 }
1932 else if( instr->_matrule && instr->_matrule->_rChild && !strcmp(instr->_matrule->_rChild->_opType,"CMoveP") ) {
1933 int offset = 1;
1934 // Special special hack to see if the Cmp? has been incorporated in the conditional move
1935 MatchNode *rl = instr->_matrule->_rChild->_lChild;
1936 if( rl && !strcmp(rl->_opType, "Binary") ) {
1937 MatchNode *rlr = rl->_rChild;
1938 if (rlr && strncmp(rlr->_opType, "Cmp", 3) == 0)
1939 offset = 2;
1940 }
1941 // Special hack for ideal CMoveP; ideal type depends on inputs
1942 fprintf(fp," const Type *bottom_type() const { const Type *t = in(oper_input_base()+%d)->bottom_type(); return (req() <= oper_input_base()+%d) ? t : t->meet(in(oper_input_base()+%d)->bottom_type()); } // CMoveP\n",
1943 offset, offset+1, offset+1);
1944 }
1945 else if( instr->_matrule && instr->_matrule->_rChild && !strcmp(instr->_matrule->_rChild->_opType,"CMoveN") ) {
1946 int offset = 1;
1947 // Special special hack to see if the Cmp? has been incorporated in the conditional move
1948 MatchNode *rl = instr->_matrule->_rChild->_lChild;
1949 if( rl && !strcmp(rl->_opType, "Binary") ) {
1950 MatchNode *rlr = rl->_rChild;
1951 if (rlr && strncmp(rlr->_opType, "Cmp", 3) == 0)
1952 offset = 2;
1953 }
1954 // Special hack for ideal CMoveN; ideal type depends on inputs
1955 fprintf(fp," const Type *bottom_type() const { const Type *t = in(oper_input_base()+%d)->bottom_type(); return (req() <= oper_input_base()+%d) ? t : t->meet(in(oper_input_base()+%d)->bottom_type()); } // CMoveN\n",
1956 offset, offset+1, offset+1);
1957 }
1958 else if (instr->is_tls_instruction()) {
1959 // Special hack for tlsLoadP
1960 fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // tlsLoadP\n");
1961 }
1962 else if ( instr->is_ideal_if() ) {
1963 fprintf(fp," const Type *bottom_type() const { return TypeTuple::IFBOTH; } // matched IfNode\n");
1964 }
1965 else if ( instr->is_ideal_membar() ) {
1966 fprintf(fp," const Type *bottom_type() const { return TypeTuple::MEMBAR; } // matched MemBar\n");
1967 }
1968
1969 // Check where 'ideal_type' must be customized
1970 /*
1971 if ( instr->_matrule && instr->_matrule->_rChild &&
1972 ( strcmp("ConvF2I",instr->_matrule->_rChild->_opType)==0
1973 || strcmp("ConvD2I",instr->_matrule->_rChild->_opType)==0 ) ) {
1974 fprintf(fp," virtual uint ideal_reg() const { return Compile::current()->matcher()->base2reg[Type::Int]; }\n");
1975 }*/
1976
1977 // Analyze machine instructions that either USE or DEF memory.
1978 int memory_operand = instr->memory_operand(_globalNames);
1979 // Some guys kill all of memory
1980 if ( instr->is_wide_memory_kill(_globalNames) ) {
1981 memory_operand = InstructForm::MANY_MEMORY_OPERANDS;
1982 }
1983 if ( memory_operand != InstructForm::NO_MEMORY_OPERAND ) {
1984 if( memory_operand == InstructForm::MANY_MEMORY_OPERANDS ) {
1985 fprintf(fp," virtual const TypePtr *adr_type() const;\n");
1986 }
1987 fprintf(fp," virtual const MachOper *memory_operand() const;\n");
1988 }
1989
1990 fprintf(fp, "#ifndef PRODUCT\n");
1991
1992 // virtual function for generating the user's assembler output
1993 gen_inst_format(fp, _globalNames,*instr);
1994
1995 // Machine independent print functionality for debugging
1996 fprintf(fp," virtual const char *Name() const { return \"%s\";}\n",
1997 instr->_ident);
1998
1999 fprintf(fp, "#endif\n");
2000
2001 // Close definition of this XxxMachNode
2002 fprintf(fp,"};\n");
2003 };
2004
2005 }
2006
2007 void ArchDesc::defineStateClass(FILE *fp) {
2008 static const char *state__valid = "_valid[((uint)index) >> 5] & (0x1 << (((uint)index) & 0x0001F))";
2009 static const char *state__set_valid= "_valid[((uint)index) >> 5] |= (0x1 << (((uint)index) & 0x0001F))";
2010
2011 fprintf(fp,"\n");
2012 fprintf(fp,"// MACROS to inline and constant fold State::valid(index)...\n");
2013 fprintf(fp,"// when given a constant 'index' in dfa_<arch>.cpp\n");
2014 fprintf(fp,"// uint word = index >> 5; // Shift out bit position\n");
2015 fprintf(fp,"// uint bitpos = index & 0x0001F; // Mask off word bits\n");
2016 fprintf(fp,"#define STATE__VALID(index) ");
2017 fprintf(fp," (%s)\n", state__valid);
2018 fprintf(fp,"\n");
2019 fprintf(fp,"#define STATE__NOT_YET_VALID(index) ");
2020 fprintf(fp," ( (%s) == 0 )\n", state__valid);
2021 fprintf(fp,"\n");
2022 fprintf(fp,"#define STATE__VALID_CHILD(state,index) ");
2023 fprintf(fp," ( state && (state->%s) )\n", state__valid);
2024 fprintf(fp,"\n");
2025 fprintf(fp,"#define STATE__SET_VALID(index) ");
2026 fprintf(fp," (%s)\n", state__set_valid);
2027 fprintf(fp,"\n");
2028 fprintf(fp,
2029 "//---------------------------State-------------------------------------------\n");
2030 fprintf(fp,"// State contains an integral cost vector, indexed by machine operand opcodes,\n");
2031 fprintf(fp,"// a rule vector consisting of machine operand/instruction opcodes, and also\n");
2032 fprintf(fp,"// indexed by machine operand opcodes, pointers to the children in the label\n");
2033 fprintf(fp,"// tree generated by the Label routines in ideal nodes (currently limited to\n");
2034 fprintf(fp,"// two for convenience, but this could change).\n");
2035 fprintf(fp,"class State : public ResourceObj {\n");
2036 fprintf(fp,"public:\n");
2037 fprintf(fp," int _id; // State identifier\n");
2038 fprintf(fp," Node *_leaf; // Ideal (non-machine-node) leaf of match tree\n");
2039 fprintf(fp," State *_kids[2]; // Children of state node in label tree\n");
2040 fprintf(fp," unsigned int _cost[_LAST_MACH_OPER]; // Cost vector, indexed by operand opcodes\n");
2041 fprintf(fp," unsigned int _rule[_LAST_MACH_OPER]; // Rule vector, indexed by operand opcodes\n");
2042 fprintf(fp," unsigned int _valid[(_LAST_MACH_OPER/32)+1]; // Bit Map of valid Cost/Rule entries\n");
2043 fprintf(fp,"\n");
2044 fprintf(fp," State(void); // Constructor\n");
2045 fprintf(fp," DEBUG_ONLY( ~State(void); ) // Destructor\n");
2046 fprintf(fp,"\n");
2047 fprintf(fp," // Methods created by ADLC and invoked by Reduce\n");
2048 fprintf(fp," MachOper *MachOperGenerator( int opcode, Compile* C );\n");
2049 fprintf(fp," MachNode *MachNodeGenerator( int opcode, Compile* C );\n");
2050 fprintf(fp,"\n");
2051 fprintf(fp," // Assign a state to a node, definition of method produced by ADLC\n");
2052 fprintf(fp," bool DFA( int opcode, const Node *ideal );\n");
2053 fprintf(fp,"\n");
2054 fprintf(fp," // Access function for _valid bit vector\n");
2055 fprintf(fp," bool valid(uint index) {\n");
2056 fprintf(fp," return( STATE__VALID(index) != 0 );\n");
2057 fprintf(fp," }\n");
2058 fprintf(fp,"\n");
2059 fprintf(fp," // Set function for _valid bit vector\n");
2060 fprintf(fp," void set_valid(uint index) {\n");
2061 fprintf(fp," STATE__SET_VALID(index);\n");
2062 fprintf(fp," }\n");
2063 fprintf(fp,"\n");
2064 fprintf(fp,"#ifndef PRODUCT\n");
2065 fprintf(fp," void dump(); // Debugging prints\n");
2066 fprintf(fp," void dump(int depth);\n");
2067 fprintf(fp,"#endif\n");
2068 if (_dfa_small) {
2069 // Generate the routine name we'll need
2070 for (int i = 1; i < _last_opcode; i++) {
2071 if (_mlistab[i] == NULL) continue;
2072 fprintf(fp, " void _sub_Op_%s(const Node *n);\n", NodeClassNames[i]);
2073 }
2074 }
2075 fprintf(fp,"};\n");
2076 fprintf(fp,"\n");
2077 fprintf(fp,"\n");
2078
2079 }
2080
2081
2082 //---------------------------buildMachOperEnum---------------------------------
2083 // Build enumeration for densely packed operands.
2084 // This enumeration is used to index into the arrays in the State objects
2085 // that indicate cost and a successfull rule match.
2086
2087 // Information needed to generate the ReduceOp mapping for the DFA
2088 class OutputMachOperands : public OutputMap {
2089 public:
2090 OutputMachOperands(FILE *hpp, FILE *cpp, FormDict &globals, ArchDesc &AD)
2091 : OutputMap(hpp, cpp, globals, AD, "MachOperands") {};
2092
2093 void declaration() { }
2094 void definition() { fprintf(_cpp, "enum MachOperands {\n"); }
2095 void closing() { fprintf(_cpp, " _LAST_MACH_OPER\n");
2096 OutputMap::closing();
2097 }
2098 void map(OpClassForm &opc) {
2099 const char* opc_ident_to_upper = _AD.machOperEnum(opc._ident);
2100 fprintf(_cpp, " %s", opc_ident_to_upper);
2101 delete[] opc_ident_to_upper;
2102 }
2103 void map(OperandForm &oper) {
2104 const char* oper_ident_to_upper = _AD.machOperEnum(oper._ident);
2105 fprintf(_cpp, " %s", oper_ident_to_upper);
2106 delete[] oper_ident_to_upper;
2107 }
2108 void map(char *name) {
2109 const char* name_to_upper = _AD.machOperEnum(name);
2110 fprintf(_cpp, " %s", name_to_upper);
2111 delete[] name_to_upper;
2112 }
2113
2114 bool do_instructions() { return false; }
2115 void map(InstructForm &inst){ assert( false, "ShouldNotCallThis()"); }
2116 };
2117
2118
2119 void ArchDesc::buildMachOperEnum(FILE *fp_hpp) {
2120 // Construct the table for MachOpcodes
2121 OutputMachOperands output_mach_operands(fp_hpp, fp_hpp, _globalNames, *this);
2122 build_map(output_mach_operands);
2123 }
2124
2125
2126 //---------------------------buildMachEnum----------------------------------
2127 // Build enumeration for all MachOpers and all MachNodes
2128
2129 // Information needed to generate the ReduceOp mapping for the DFA
2130 class OutputMachOpcodes : public OutputMap {
2131 int begin_inst_chain_rule;
2132 int end_inst_chain_rule;
2133 int begin_rematerialize;
2134 int end_rematerialize;
2135 int end_instructions;
2136 public:
2137 OutputMachOpcodes(FILE *hpp, FILE *cpp, FormDict &globals, ArchDesc &AD)
2138 : OutputMap(hpp, cpp, globals, AD, "MachOpcodes"),
2139 begin_inst_chain_rule(-1), end_inst_chain_rule(-1), end_instructions(-1)
2140 {};
2141
2142 void declaration() { }
2143 void definition() { fprintf(_cpp, "enum MachOpcodes {\n"); }
2144 void closing() {
2145 if( begin_inst_chain_rule != -1 )
2146 fprintf(_cpp, " _BEGIN_INST_CHAIN_RULE = %d,\n", begin_inst_chain_rule);
2147 if( end_inst_chain_rule != -1 )
2148 fprintf(_cpp, " _END_INST_CHAIN_RULE = %d,\n", end_inst_chain_rule);
2149 if( begin_rematerialize != -1 )
2150 fprintf(_cpp, " _BEGIN_REMATERIALIZE = %d,\n", begin_rematerialize);
2151 if( end_rematerialize != -1 )
2152 fprintf(_cpp, " _END_REMATERIALIZE = %d,\n", end_rematerialize);
2153 // always execute since do_instructions() is true, and avoids trailing comma
2154 fprintf(_cpp, " _last_Mach_Node = %d \n", end_instructions);
2155 OutputMap::closing();
2156 }
2157 void map(OpClassForm &opc) { fprintf(_cpp, " %s_rule", opc._ident ); }
2158 void map(OperandForm &oper) { fprintf(_cpp, " %s_rule", oper._ident ); }
2159 void map(char *name) { if (name) fprintf(_cpp, " %s_rule", name);
2160 else fprintf(_cpp, " 0"); }
2161 void map(InstructForm &inst) {fprintf(_cpp, " %s_rule", inst._ident ); }
2162
2163 void record_position(OutputMap::position place, int idx ) {
2164 switch(place) {
2165 case OutputMap::BEGIN_INST_CHAIN_RULES :
2166 begin_inst_chain_rule = idx;
2167 break;
2168 case OutputMap::END_INST_CHAIN_RULES :
2169 end_inst_chain_rule = idx;
2170 break;
2171 case OutputMap::BEGIN_REMATERIALIZE :
2172 begin_rematerialize = idx;
2173 break;
2174 case OutputMap::END_REMATERIALIZE :
2175 end_rematerialize = idx;
2176 break;
2177 case OutputMap::END_INSTRUCTIONS :
2178 end_instructions = idx;
2179 break;
2180 default:
2181 break;
2182 }
2183 }
2184 };
2185
2186
2187 void ArchDesc::buildMachOpcodesEnum(FILE *fp_hpp) {
2188 // Construct the table for MachOpcodes
2189 OutputMachOpcodes output_mach_opcodes(fp_hpp, fp_hpp, _globalNames, *this);
2190 build_map(output_mach_opcodes);
2191 }
2192
2193
2194 // Generate an enumeration of the pipeline states, and both
2195 // the functional units (resources) and the masks for
2196 // specifying resources
2197 void ArchDesc::build_pipeline_enums(FILE *fp_hpp) {
2198 int stagelen = (int)strlen("undefined");
2199 int stagenum = 0;
2200
2201 if (_pipeline) { // Find max enum string length
2202 const char *stage;
2203 for ( _pipeline->_stages.reset(); (stage = _pipeline->_stages.iter()) != NULL; ) {
2204 int len = (int)strlen(stage);
2205 if (stagelen < len) stagelen = len;
2206 }
2207 }
2208
2209 // Generate a list of stages
2210 fprintf(fp_hpp, "\n");
2211 fprintf(fp_hpp, "// Pipeline Stages\n");
2212 fprintf(fp_hpp, "enum machPipelineStages {\n");
2213 fprintf(fp_hpp, " stage_%-*s = 0,\n", stagelen, "undefined");
2214
2215 if( _pipeline ) {
2216 const char *stage;
2217 for ( _pipeline->_stages.reset(); (stage = _pipeline->_stages.iter()) != NULL; )
2218 fprintf(fp_hpp, " stage_%-*s = %d,\n", stagelen, stage, ++stagenum);
2219 }
2220
2221 fprintf(fp_hpp, " stage_%-*s = %d\n", stagelen, "count", stagenum);
2222 fprintf(fp_hpp, "};\n");
2223
2224 fprintf(fp_hpp, "\n");
2225 fprintf(fp_hpp, "// Pipeline Resources\n");
2226 fprintf(fp_hpp, "enum machPipelineResources {\n");
2227 int rescount = 0;
2228
2229 if( _pipeline ) {
2230 const char *resource;
2231 int reslen = 0;
2232
2233 // Generate a list of resources, and masks
2234 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
2235 int len = (int)strlen(resource);
2236 if (reslen < len)
2237 reslen = len;
2238 }
2239
2240 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
2241 const ResourceForm *resform = _pipeline->_resdict[resource]->is_resource();
2242 int mask = resform->mask();
2243 if ((mask & (mask-1)) == 0)
2244 fprintf(fp_hpp, " resource_%-*s = %d,\n", reslen, resource, rescount++);
2245 }
2246 fprintf(fp_hpp, "\n");
2247 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
2248 const ResourceForm *resform = _pipeline->_resdict[resource]->is_resource();
2249 fprintf(fp_hpp, " res_mask_%-*s = 0x%08x,\n", reslen, resource, resform->mask());
2250 }
2251 fprintf(fp_hpp, "\n");
2252 }
2253 fprintf(fp_hpp, " resource_count = %d\n", rescount);
2254 fprintf(fp_hpp, "};\n");
2255 }