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src/share/vm/adlc/output_h.cpp@98cb887364d3
src/share/vm/adlc/output_h.cpp
Fri, 27 Feb 2009 13:27:09 -0800
- author
- twisti
- date
- Fri, 27 Feb 2009 13:27:09 -0800
- changeset 1040
- 98cb887364d3
- parent 1038
- dbbe28fc66b5
- child 1262
- bf3489cc0aa0
- permissions
- -rw-r--r--
6810672: Comment typos
Summary: I have collected some typos I have found while looking at the code.
Reviewed-by: kvn, never
1 /*
2 * Copyright 1998-2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
25 // output_h.cpp - Class HPP file output routines for architecture definition
26 #include "adlc.hpp"
29 // Generate the #define that describes the number of registers.
30 static void defineRegCount(FILE *fp, RegisterForm *registers) {
31 if (registers) {
32 int regCount = AdlcVMDeps::Physical + registers->_rdefs.count();
33 fprintf(fp,"\n");
34 fprintf(fp,"// the number of reserved registers + machine registers.\n");
35 fprintf(fp,"#define REG_COUNT %d\n", regCount);
36 }
37 }
39 // Output enumeration of machine register numbers
40 // (1)
41 // // Enumerate machine registers starting after reserved regs.
42 // // in the order of occurrence in the register block.
43 // enum MachRegisterNumbers {
44 // EAX_num = 0,
45 // ...
46 // _last_Mach_Reg
47 // }
48 void ArchDesc::buildMachRegisterNumbers(FILE *fp_hpp) {
49 if (_register) {
50 RegDef *reg_def = NULL;
52 // Output a #define for the number of machine registers
53 defineRegCount(fp_hpp, _register);
55 // Count all the Save_On_Entry and Always_Save registers
56 int saved_on_entry = 0;
57 int c_saved_on_entry = 0;
58 _register->reset_RegDefs();
59 while( (reg_def = _register->iter_RegDefs()) != NULL ) {
60 if( strcmp(reg_def->_callconv,"SOE") == 0 ||
61 strcmp(reg_def->_callconv,"AS") == 0 ) ++saved_on_entry;
62 if( strcmp(reg_def->_c_conv,"SOE") == 0 ||
63 strcmp(reg_def->_c_conv,"AS") == 0 ) ++c_saved_on_entry;
64 }
65 fprintf(fp_hpp, "\n");
66 fprintf(fp_hpp, "// the number of save_on_entry + always_saved registers.\n");
67 fprintf(fp_hpp, "#define MAX_SAVED_ON_ENTRY_REG_COUNT %d\n", max(saved_on_entry,c_saved_on_entry));
68 fprintf(fp_hpp, "#define SAVED_ON_ENTRY_REG_COUNT %d\n", saved_on_entry);
69 fprintf(fp_hpp, "#define C_SAVED_ON_ENTRY_REG_COUNT %d\n", c_saved_on_entry);
71 // (1)
72 // Build definition for enumeration of register numbers
73 fprintf(fp_hpp, "\n");
74 fprintf(fp_hpp, "// Enumerate machine register numbers starting after reserved regs.\n");
75 fprintf(fp_hpp, "// in the order of occurrence in the register block.\n");
76 fprintf(fp_hpp, "enum MachRegisterNumbers {\n");
78 // Output the register number for each register in the allocation classes
79 _register->reset_RegDefs();
80 int i = 0;
81 while( (reg_def = _register->iter_RegDefs()) != NULL ) {
82 fprintf(fp_hpp," %s_num,\t\t// %d\n", reg_def->_regname, i++);
83 }
84 // Finish defining enumeration
85 fprintf(fp_hpp, " _last_Mach_Reg\t// %d\n", i);
86 fprintf(fp_hpp, "};\n");
87 }
89 fprintf(fp_hpp, "\n// Size of register-mask in ints\n");
90 fprintf(fp_hpp, "#define RM_SIZE %d\n",RegisterForm::RegMask_Size());
91 fprintf(fp_hpp, "// Unroll factor for loops over the data in a RegMask\n");
92 fprintf(fp_hpp, "#define FORALL_BODY ");
93 int len = RegisterForm::RegMask_Size();
94 for( int i = 0; i < len; i++ )
95 fprintf(fp_hpp, "BODY(%d) ",i);
96 fprintf(fp_hpp, "\n\n");
98 fprintf(fp_hpp,"class RegMask;\n");
99 // All RegMasks are declared "extern const ..." in ad_<arch>.hpp
100 // fprintf(fp_hpp,"extern RegMask STACK_OR_STACK_SLOTS_mask;\n\n");
101 }
104 // Output enumeration of machine register encodings
105 // (2)
106 // // Enumerate machine registers starting after reserved regs.
107 // // in the order of occurrence in the alloc_class(es).
108 // enum MachRegisterEncodes {
109 // EAX_enc = 0x00,
110 // ...
111 // }
112 void ArchDesc::buildMachRegisterEncodes(FILE *fp_hpp) {
113 if (_register) {
114 RegDef *reg_def = NULL;
115 RegDef *reg_def_next = NULL;
117 // (2)
118 // Build definition for enumeration of encode values
119 fprintf(fp_hpp, "\n");
120 fprintf(fp_hpp, "// Enumerate machine registers starting after reserved regs.\n");
121 fprintf(fp_hpp, "// in the order of occurrence in the alloc_class(es).\n");
122 fprintf(fp_hpp, "enum MachRegisterEncodes {\n");
124 // Output the register encoding for each register in the allocation classes
125 _register->reset_RegDefs();
126 reg_def_next = _register->iter_RegDefs();
127 while( (reg_def = reg_def_next) != NULL ) {
128 reg_def_next = _register->iter_RegDefs();
129 fprintf(fp_hpp," %s_enc = %s%s\n",
130 reg_def->_regname, reg_def->register_encode(), reg_def_next == NULL? "" : "," );
131 }
132 // Finish defining enumeration
133 fprintf(fp_hpp, "};\n");
135 } // Done with register form
136 }
139 // Declare an array containing the machine register names, strings.
140 static void declareRegNames(FILE *fp, RegisterForm *registers) {
141 if (registers) {
142 // fprintf(fp,"\n");
143 // fprintf(fp,"// An array of character pointers to machine register names.\n");
144 // fprintf(fp,"extern const char *regName[];\n");
145 }
146 }
148 // Declare an array containing the machine register sizes in 32-bit words.
149 void ArchDesc::declareRegSizes(FILE *fp) {
150 // regSize[] is not used
151 }
153 // Declare an array containing the machine register encoding values
154 static void declareRegEncodes(FILE *fp, RegisterForm *registers) {
155 if (registers) {
156 // // //
157 // fprintf(fp,"\n");
158 // fprintf(fp,"// An array containing the machine register encode values\n");
159 // fprintf(fp,"extern const char regEncode[];\n");
160 }
161 }
164 // ---------------------------------------------------------------------------
165 //------------------------------Utilities to build Instruction Classes--------
166 // ---------------------------------------------------------------------------
167 static void out_RegMask(FILE *fp) {
168 fprintf(fp," virtual const RegMask &out_RegMask() const;\n");
169 }
171 // ---------------------------------------------------------------------------
172 //--------Utilities to build MachOper and MachNode derived Classes------------
173 // ---------------------------------------------------------------------------
175 //------------------------------Utilities to build Operand Classes------------
176 static void in_RegMask(FILE *fp) {
177 fprintf(fp," virtual const RegMask *in_RegMask(int index) const;\n");
178 }
180 static void declare_hash(FILE *fp) {
181 fprintf(fp," virtual uint hash() const;\n");
182 }
184 static void declare_cmp(FILE *fp) {
185 fprintf(fp," virtual uint cmp( const MachOper &oper ) const;\n");
186 }
188 static void declareConstStorage(FILE *fp, FormDict &globals, OperandForm *oper) {
189 int i = 0;
190 Component *comp;
192 if (oper->num_consts(globals) == 0) return;
193 // Iterate over the component list looking for constants
194 oper->_components.reset();
195 if ((comp = oper->_components.iter()) == NULL) {
196 assert(oper->num_consts(globals) == 1, "Bad component list detected.\n");
197 const char *type = oper->ideal_type(globals);
198 if (!strcmp(type, "ConI")) {
199 if (i > 0) fprintf(fp,", ");
200 fprintf(fp," int32 _c%d;\n", i);
201 }
202 else if (!strcmp(type, "ConP")) {
203 if (i > 0) fprintf(fp,", ");
204 fprintf(fp," const TypePtr *_c%d;\n", i);
205 }
206 else if (!strcmp(type, "ConN")) {
207 if (i > 0) fprintf(fp,", ");
208 fprintf(fp," const TypeNarrowOop *_c%d;\n", i);
209 }
210 else if (!strcmp(type, "ConL")) {
211 if (i > 0) fprintf(fp,", ");
212 fprintf(fp," jlong _c%d;\n", i);
213 }
214 else if (!strcmp(type, "ConF")) {
215 if (i > 0) fprintf(fp,", ");
216 fprintf(fp," jfloat _c%d;\n", i);
217 }
218 else if (!strcmp(type, "ConD")) {
219 if (i > 0) fprintf(fp,", ");
220 fprintf(fp," jdouble _c%d;\n", i);
221 }
222 else if (!strcmp(type, "Bool")) {
223 fprintf(fp,"private:\n");
224 fprintf(fp," BoolTest::mask _c%d;\n", i);
225 fprintf(fp,"public:\n");
226 }
227 else {
228 assert(0, "Non-constant operand lacks component list.");
229 }
230 } // end if NULL
231 else {
232 oper->_components.reset();
233 while ((comp = oper->_components.iter()) != NULL) {
234 if (!strcmp(comp->base_type(globals), "ConI")) {
235 fprintf(fp," jint _c%d;\n", i);
236 i++;
237 }
238 else if (!strcmp(comp->base_type(globals), "ConP")) {
239 fprintf(fp," const TypePtr *_c%d;\n", i);
240 i++;
241 }
242 else if (!strcmp(comp->base_type(globals), "ConN")) {
243 fprintf(fp," const TypePtr *_c%d;\n", i);
244 i++;
245 }
246 else if (!strcmp(comp->base_type(globals), "ConL")) {
247 fprintf(fp," jlong _c%d;\n", i);
248 i++;
249 }
250 else if (!strcmp(comp->base_type(globals), "ConF")) {
251 fprintf(fp," jfloat _c%d;\n", i);
252 i++;
253 }
254 else if (!strcmp(comp->base_type(globals), "ConD")) {
255 fprintf(fp," jdouble _c%d;\n", i);
256 i++;
257 }
258 }
259 }
260 }
262 // Declare constructor.
263 // Parameters start with condition code, then all other constants
264 //
265 // (0) public:
266 // (1) MachXOper(int32 ccode, int32 c0, int32 c1, ..., int32 cn)
267 // (2) : _ccode(ccode), _c0(c0), _c1(c1), ..., _cn(cn) { }
268 //
269 static void defineConstructor(FILE *fp, const char *name, uint num_consts,
270 ComponentList &lst, bool is_ideal_bool,
271 Form::DataType constant_type, FormDict &globals) {
272 fprintf(fp,"public:\n");
273 // generate line (1)
274 fprintf(fp," %sOper(", name);
275 if( num_consts == 0 ) {
276 fprintf(fp,") {}\n");
277 return;
278 }
280 // generate parameters for constants
281 uint i = 0;
282 Component *comp;
283 lst.reset();
284 if ((comp = lst.iter()) == NULL) {
285 assert(num_consts == 1, "Bad component list detected.\n");
286 switch( constant_type ) {
287 case Form::idealI : {
288 fprintf(fp,is_ideal_bool ? "BoolTest::mask c%d" : "int32 c%d", i);
289 break;
290 }
291 case Form::idealN : { fprintf(fp,"const TypeNarrowOop *c%d", i); break; }
292 case Form::idealP : { fprintf(fp,"const TypePtr *c%d", i); break; }
293 case Form::idealL : { fprintf(fp,"jlong c%d", i); break; }
294 case Form::idealF : { fprintf(fp,"jfloat c%d", i); break; }
295 case Form::idealD : { fprintf(fp,"jdouble c%d", i); break; }
296 default:
297 assert(!is_ideal_bool, "Non-constant operand lacks component list.");
298 break;
299 }
300 } // end if NULL
301 else {
302 lst.reset();
303 while((comp = lst.iter()) != NULL) {
304 if (!strcmp(comp->base_type(globals), "ConI")) {
305 if (i > 0) fprintf(fp,", ");
306 fprintf(fp,"int32 c%d", i);
307 i++;
308 }
309 else if (!strcmp(comp->base_type(globals), "ConP")) {
310 if (i > 0) fprintf(fp,", ");
311 fprintf(fp,"const TypePtr *c%d", i);
312 i++;
313 }
314 else if (!strcmp(comp->base_type(globals), "ConN")) {
315 if (i > 0) fprintf(fp,", ");
316 fprintf(fp,"const TypePtr *c%d", i);
317 i++;
318 }
319 else if (!strcmp(comp->base_type(globals), "ConL")) {
320 if (i > 0) fprintf(fp,", ");
321 fprintf(fp,"jlong c%d", i);
322 i++;
323 }
324 else if (!strcmp(comp->base_type(globals), "ConF")) {
325 if (i > 0) fprintf(fp,", ");
326 fprintf(fp,"jfloat c%d", i);
327 i++;
328 }
329 else if (!strcmp(comp->base_type(globals), "ConD")) {
330 if (i > 0) fprintf(fp,", ");
331 fprintf(fp,"jdouble c%d", i);
332 i++;
333 }
334 else if (!strcmp(comp->base_type(globals), "Bool")) {
335 if (i > 0) fprintf(fp,", ");
336 fprintf(fp,"BoolTest::mask c%d", i);
337 i++;
338 }
339 }
340 }
341 // finish line (1) and start line (2)
342 fprintf(fp,") : ");
343 // generate initializers for constants
344 i = 0;
345 fprintf(fp,"_c%d(c%d)", i, i);
346 for( i = 1; i < num_consts; ++i) {
347 fprintf(fp,", _c%d(c%d)", i, i);
348 }
349 // The body for the constructor is empty
350 fprintf(fp," {}\n");
351 }
353 // ---------------------------------------------------------------------------
354 // Utilities to generate format rules for machine operands and instructions
355 // ---------------------------------------------------------------------------
357 // Generate the format rule for condition codes
358 static void defineCCodeDump(OperandForm* oper, FILE *fp, int i) {
359 assert(oper != NULL, "what");
360 CondInterface* cond = oper->_interface->is_CondInterface();
361 fprintf(fp, " if( _c%d == BoolTest::eq ) st->print(\"%s\");\n",i,cond->_equal_format);
362 fprintf(fp, " else if( _c%d == BoolTest::ne ) st->print(\"%s\");\n",i,cond->_not_equal_format);
363 fprintf(fp, " else if( _c%d == BoolTest::le ) st->print(\"%s\");\n",i,cond->_less_equal_format);
364 fprintf(fp, " else if( _c%d == BoolTest::ge ) st->print(\"%s\");\n",i,cond->_greater_equal_format);
365 fprintf(fp, " else if( _c%d == BoolTest::lt ) st->print(\"%s\");\n",i,cond->_less_format);
366 fprintf(fp, " else if( _c%d == BoolTest::gt ) st->print(\"%s\");\n",i,cond->_greater_format);
367 }
369 // Output code that dumps constant values, increment "i" if type is constant
370 static uint dump_spec_constant(FILE *fp, const char *ideal_type, uint i, OperandForm* oper) {
371 if (!strcmp(ideal_type, "ConI")) {
372 fprintf(fp," st->print(\"#%%d\", _c%d);\n", i);
373 ++i;
374 }
375 else if (!strcmp(ideal_type, "ConP")) {
376 fprintf(fp," _c%d->dump_on(st);\n", i);
377 ++i;
378 }
379 else if (!strcmp(ideal_type, "ConN")) {
380 fprintf(fp," _c%d->dump_on(st);\n", i);
381 ++i;
382 }
383 else if (!strcmp(ideal_type, "ConL")) {
384 fprintf(fp," st->print(\"#\" INT64_FORMAT, _c%d);\n", i);
385 ++i;
386 }
387 else if (!strcmp(ideal_type, "ConF")) {
388 fprintf(fp," st->print(\"#%%f\", _c%d);\n", i);
389 ++i;
390 }
391 else if (!strcmp(ideal_type, "ConD")) {
392 fprintf(fp," st->print(\"#%%f\", _c%d);\n", i);
393 ++i;
394 }
395 else if (!strcmp(ideal_type, "Bool")) {
396 defineCCodeDump(oper, fp,i);
397 ++i;
398 }
400 return i;
401 }
403 // Generate the format rule for an operand
404 void gen_oper_format(FILE *fp, FormDict &globals, OperandForm &oper, bool for_c_file = false) {
405 if (!for_c_file) {
406 // invoked after output #ifndef PRODUCT to ad_<arch>.hpp
407 // compile the bodies separately, to cut down on recompilations
408 fprintf(fp," virtual void int_format(PhaseRegAlloc *ra, const MachNode *node, outputStream *st) const;\n");
409 fprintf(fp," virtual void ext_format(PhaseRegAlloc *ra, const MachNode *node, int idx, outputStream *st) const;\n");
410 return;
411 }
413 // Local pointer indicates remaining part of format rule
414 uint idx = 0; // position of operand in match rule
416 // Generate internal format function, used when stored locally
417 fprintf(fp, "\n#ifndef PRODUCT\n");
418 fprintf(fp,"void %sOper::int_format(PhaseRegAlloc *ra, const MachNode *node, outputStream *st) const {\n", oper._ident);
419 // Generate the user-defined portion of the format
420 if (oper._format) {
421 if ( oper._format->_strings.count() != 0 ) {
422 // No initialization code for int_format
424 // Build the format from the entries in strings and rep_vars
425 const char *string = NULL;
426 oper._format->_rep_vars.reset();
427 oper._format->_strings.reset();
428 while ( (string = oper._format->_strings.iter()) != NULL ) {
429 fprintf(fp," ");
431 // Check if this is a standard string or a replacement variable
432 if ( string != NameList::_signal ) {
433 // Normal string
434 // Pass through to st->print
435 fprintf(fp,"st->print(\"%s\");\n", string);
436 } else {
437 // Replacement variable
438 const char *rep_var = oper._format->_rep_vars.iter();
439 // Check that it is a local name, and an operand
440 const Form* form = oper._localNames[rep_var];
441 if (form == NULL) {
442 globalAD->syntax_err(oper._linenum,
443 "\'%s\' not found in format for %s\n", rep_var, oper._ident);
444 assert(form, "replacement variable was not found in local names");
445 }
446 OperandForm *op = form->is_operand();
447 // Get index if register or constant
448 if ( op->_matrule && op->_matrule->is_base_register(globals) ) {
449 idx = oper.register_position( globals, rep_var);
450 }
451 else if (op->_matrule && op->_matrule->is_base_constant(globals)) {
452 idx = oper.constant_position( globals, rep_var);
453 } else {
454 idx = 0;
455 }
457 // output invocation of "$..."s format function
458 if ( op != NULL ) op->int_format(fp, globals, idx);
460 if ( idx == -1 ) {
461 fprintf(stderr,
462 "Using a name, %s, that isn't in match rule\n", rep_var);
463 assert( strcmp(op->_ident,"label")==0, "Unimplemented");
464 }
465 } // Done with a replacement variable
466 } // Done with all format strings
467 } else {
468 // Default formats for base operands (RegI, RegP, ConI, ConP, ...)
469 oper.int_format(fp, globals, 0);
470 }
472 } else { // oper._format == NULL
473 // Provide a few special case formats where the AD writer cannot.
474 if ( strcmp(oper._ident,"Universe")==0 ) {
475 fprintf(fp, " st->print(\"$$univ\");\n");
476 }
477 // labelOper::int_format is defined in ad_<...>.cpp
478 }
479 // ALWAYS! Provide a special case output for condition codes.
480 if( oper.is_ideal_bool() ) {
481 defineCCodeDump(&oper, fp,0);
482 }
483 fprintf(fp,"}\n");
485 // Generate external format function, when data is stored externally
486 fprintf(fp,"void %sOper::ext_format(PhaseRegAlloc *ra, const MachNode *node, int idx, outputStream *st) const {\n", oper._ident);
487 // Generate the user-defined portion of the format
488 if (oper._format) {
489 if ( oper._format->_strings.count() != 0 ) {
491 // Check for a replacement string "$..."
492 if ( oper._format->_rep_vars.count() != 0 ) {
493 // Initialization code for ext_format
494 }
496 // Build the format from the entries in strings and rep_vars
497 const char *string = NULL;
498 oper._format->_rep_vars.reset();
499 oper._format->_strings.reset();
500 while ( (string = oper._format->_strings.iter()) != NULL ) {
501 fprintf(fp," ");
503 // Check if this is a standard string or a replacement variable
504 if ( string != NameList::_signal ) {
505 // Normal string
506 // Pass through to st->print
507 fprintf(fp,"st->print(\"%s\");\n", string);
508 } else {
509 // Replacement variable
510 const char *rep_var = oper._format->_rep_vars.iter();
511 // Check that it is a local name, and an operand
512 const Form* form = oper._localNames[rep_var];
513 if (form == NULL) {
514 globalAD->syntax_err(oper._linenum,
515 "\'%s\' not found in format for %s\n", rep_var, oper._ident);
516 assert(form, "replacement variable was not found in local names");
517 }
518 OperandForm *op = form->is_operand();
519 // Get index if register or constant
520 if ( op->_matrule && op->_matrule->is_base_register(globals) ) {
521 idx = oper.register_position( globals, rep_var);
522 }
523 else if (op->_matrule && op->_matrule->is_base_constant(globals)) {
524 idx = oper.constant_position( globals, rep_var);
525 } else {
526 idx = 0;
527 }
528 // output invocation of "$..."s format function
529 if ( op != NULL ) op->ext_format(fp, globals, idx);
531 // Lookup the index position of the replacement variable
532 idx = oper._components.operand_position_format(rep_var);
533 if ( idx == -1 ) {
534 fprintf(stderr,
535 "Using a name, %s, that isn't in match rule\n", rep_var);
536 assert( strcmp(op->_ident,"label")==0, "Unimplemented");
537 }
538 } // Done with a replacement variable
539 } // Done with all format strings
541 } else {
542 // Default formats for base operands (RegI, RegP, ConI, ConP, ...)
543 oper.ext_format(fp, globals, 0);
544 }
545 } else { // oper._format == NULL
546 // Provide a few special case formats where the AD writer cannot.
547 if ( strcmp(oper._ident,"Universe")==0 ) {
548 fprintf(fp, " st->print(\"$$univ\");\n");
549 }
550 // labelOper::ext_format is defined in ad_<...>.cpp
551 }
552 // ALWAYS! Provide a special case output for condition codes.
553 if( oper.is_ideal_bool() ) {
554 defineCCodeDump(&oper, fp,0);
555 }
556 fprintf(fp, "}\n");
557 fprintf(fp, "#endif\n");
558 }
561 // Generate the format rule for an instruction
562 void gen_inst_format(FILE *fp, FormDict &globals, InstructForm &inst, bool for_c_file = false) {
563 if (!for_c_file) {
564 // compile the bodies separately, to cut down on recompilations
565 // #ifndef PRODUCT region generated by caller
566 fprintf(fp," virtual void format(PhaseRegAlloc *ra, outputStream *st) const;\n");
567 return;
568 }
570 // Define the format function
571 fprintf(fp, "#ifndef PRODUCT\n");
572 fprintf(fp, "void %sNode::format(PhaseRegAlloc *ra, outputStream *st) const {\n", inst._ident);
574 // Generate the user-defined portion of the format
575 if( inst._format ) {
576 // If there are replacement variables,
577 // Generate index values needed for determining the operand position
578 if( inst._format->_rep_vars.count() )
579 inst.index_temps(fp, globals);
581 // Build the format from the entries in strings and rep_vars
582 const char *string = NULL;
583 inst._format->_rep_vars.reset();
584 inst._format->_strings.reset();
585 while( (string = inst._format->_strings.iter()) != NULL ) {
586 fprintf(fp," ");
587 // Check if this is a standard string or a replacement variable
588 if( string == NameList::_signal ) { // Replacement variable
589 const char* rep_var = inst._format->_rep_vars.iter();
590 inst.rep_var_format( fp, rep_var);
591 } else if( string == NameList::_signal3 ) { // Replacement variable in raw text
592 const char* rep_var = inst._format->_rep_vars.iter();
593 const Form *form = inst._localNames[rep_var];
594 if (form == NULL) {
595 fprintf(stderr, "unknown replacement variable in format statement: '%s'\n", rep_var);
596 assert(false, "ShouldNotReachHere()");
597 }
598 OpClassForm *opc = form->is_opclass();
599 assert( opc, "replacement variable was not found in local names");
600 // Lookup the index position of the replacement variable
601 int idx = inst.operand_position_format(rep_var);
602 if ( idx == -1 ) {
603 assert( strcmp(opc->_ident,"label")==0, "Unimplemented");
604 assert( false, "ShouldNotReachHere()");
605 }
607 if (inst.is_noninput_operand(idx)) {
608 assert( false, "ShouldNotReachHere()");
609 } else {
610 // Output the format call for this operand
611 fprintf(fp,"opnd_array(%d)",idx);
612 }
613 rep_var = inst._format->_rep_vars.iter();
614 inst._format->_strings.iter();
615 if ( strcmp(rep_var,"$constant") == 0 && opc->is_operand()) {
616 Form::DataType constant_type = form->is_operand()->is_base_constant(globals);
617 if ( constant_type == Form::idealD ) {
618 fprintf(fp,"->constantD()");
619 } else if ( constant_type == Form::idealF ) {
620 fprintf(fp,"->constantF()");
621 } else if ( constant_type == Form::idealL ) {
622 fprintf(fp,"->constantL()");
623 } else {
624 fprintf(fp,"->constant()");
625 }
626 } else if ( strcmp(rep_var,"$cmpcode") == 0) {
627 fprintf(fp,"->ccode()");
628 } else {
629 assert( false, "ShouldNotReachHere()");
630 }
631 } else if( string == NameList::_signal2 ) // Raw program text
632 fputs(inst._format->_strings.iter(), fp);
633 else
634 fprintf(fp,"st->print(\"%s\");\n", string);
635 } // Done with all format strings
636 } // Done generating the user-defined portion of the format
638 // Add call debug info automatically
639 Form::CallType call_type = inst.is_ideal_call();
640 if( call_type != Form::invalid_type ) {
641 switch( call_type ) {
642 case Form::JAVA_DYNAMIC:
643 fprintf(fp," _method->print_short_name();\n");
644 break;
645 case Form::JAVA_STATIC:
646 fprintf(fp," if( _method ) _method->print_short_name(st); else st->print(\" wrapper for: %%s\", _name);\n");
647 fprintf(fp," if( !_method ) dump_trap_args(st);\n");
648 break;
649 case Form::JAVA_COMPILED:
650 case Form::JAVA_INTERP:
651 break;
652 case Form::JAVA_RUNTIME:
653 case Form::JAVA_LEAF:
654 case Form::JAVA_NATIVE:
655 fprintf(fp," st->print(\" %%s\", _name);");
656 break;
657 default:
658 assert(0,"ShouldNotReacHere");
659 }
660 fprintf(fp, " st->print_cr(\"\");\n" );
661 fprintf(fp, " if (_jvms) _jvms->format(ra, this, st); else st->print_cr(\" No JVM State Info\");\n" );
662 fprintf(fp, " st->print(\" # \");\n" );
663 fprintf(fp, " if( _jvms ) _oop_map->print_on(st);\n");
664 }
665 else if(inst.is_ideal_safepoint()) {
666 fprintf(fp, " st->print(\"\");\n" );
667 fprintf(fp, " if (_jvms) _jvms->format(ra, this, st); else st->print_cr(\" No JVM State Info\");\n" );
668 fprintf(fp, " st->print(\" # \");\n" );
669 fprintf(fp, " if( _jvms ) _oop_map->print_on(st);\n");
670 }
671 else if( inst.is_ideal_if() ) {
672 fprintf(fp, " st->print(\" P=%%f C=%%f\",_prob,_fcnt);\n" );
673 }
674 else if( inst.is_ideal_mem() ) {
675 // Print out the field name if available to improve readability
676 fprintf(fp, " if (ra->C->alias_type(adr_type())->field() != NULL) {\n");
677 fprintf(fp, " st->print(\" ! Field \");\n");
678 fprintf(fp, " if( ra->C->alias_type(adr_type())->is_volatile() )\n");
679 fprintf(fp, " st->print(\" Volatile\");\n");
680 fprintf(fp, " ra->C->alias_type(adr_type())->field()->holder()->name()->print_symbol_on(st);\n");
681 fprintf(fp, " st->print(\".\");\n");
682 fprintf(fp, " ra->C->alias_type(adr_type())->field()->name()->print_symbol_on(st);\n");
683 fprintf(fp, " } else\n");
684 // Make sure 'Volatile' gets printed out
685 fprintf(fp, " if( ra->C->alias_type(adr_type())->is_volatile() )\n");
686 fprintf(fp, " st->print(\" Volatile!\");\n");
687 }
689 // Complete the definition of the format function
690 fprintf(fp, " }\n#endif\n");
691 }
693 static bool is_non_constant(char* x) {
694 // Tells whether the string (part of an operator interface) is non-constant.
695 // Simply detect whether there is an occurrence of a formal parameter,
696 // which will always begin with '$'.
697 return strchr(x, '$') == 0;
698 }
700 void ArchDesc::declare_pipe_classes(FILE *fp_hpp) {
701 if (!_pipeline)
702 return;
704 fprintf(fp_hpp, "\n");
705 fprintf(fp_hpp, "// Pipeline_Use_Cycle_Mask Class\n");
706 fprintf(fp_hpp, "class Pipeline_Use_Cycle_Mask {\n");
708 if (_pipeline->_maxcycleused <=
709 #ifdef SPARC
710 64
711 #else
712 32
713 #endif
714 ) {
715 fprintf(fp_hpp, "protected:\n");
716 fprintf(fp_hpp, " %s _mask;\n\n", _pipeline->_maxcycleused <= 32 ? "uint" : "uint64_t" );
717 fprintf(fp_hpp, "public:\n");
718 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask() : _mask(0) {}\n\n");
719 if (_pipeline->_maxcycleused <= 32)
720 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint mask) : _mask(mask) {}\n\n");
721 else {
722 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint mask1, uint mask2) : _mask((((uint64_t)mask1) << 32) | mask2) {}\n\n");
723 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint64_t mask) : _mask(mask) {}\n\n");
724 }
725 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator=(const Pipeline_Use_Cycle_Mask &in) {\n");
726 fprintf(fp_hpp, " _mask = in._mask;\n");
727 fprintf(fp_hpp, " return *this;\n");
728 fprintf(fp_hpp, " }\n\n");
729 fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Cycle_Mask &in2) const {\n");
730 fprintf(fp_hpp, " return ((_mask & in2._mask) != 0);\n");
731 fprintf(fp_hpp, " }\n\n");
732 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator<<=(int n) {\n");
733 fprintf(fp_hpp, " _mask <<= n;\n");
734 fprintf(fp_hpp, " return *this;\n");
735 fprintf(fp_hpp, " }\n\n");
736 fprintf(fp_hpp, " void Or(const Pipeline_Use_Cycle_Mask &in2) {\n");
737 fprintf(fp_hpp, " _mask |= in2._mask;\n");
738 fprintf(fp_hpp, " }\n\n");
739 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator&(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n");
740 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator|(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n\n");
741 }
742 else {
743 fprintf(fp_hpp, "protected:\n");
744 uint masklen = (_pipeline->_maxcycleused + 31) >> 5;
745 uint l;
746 fprintf(fp_hpp, " uint ");
747 for (l = 1; l <= masklen; l++)
748 fprintf(fp_hpp, "_mask%d%s", l, l < masklen ? ", " : ";\n\n");
749 fprintf(fp_hpp, "public:\n");
750 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask() : ");
751 for (l = 1; l <= masklen; l++)
752 fprintf(fp_hpp, "_mask%d(0)%s", l, l < masklen ? ", " : " {}\n\n");
753 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(");
754 for (l = 1; l <= masklen; l++)
755 fprintf(fp_hpp, "uint mask%d%s", l, l < masklen ? ", " : ") : ");
756 for (l = 1; l <= masklen; l++)
757 fprintf(fp_hpp, "_mask%d(mask%d)%s", l, l, l < masklen ? ", " : " {}\n\n");
759 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator=(const Pipeline_Use_Cycle_Mask &in) {\n");
760 for (l = 1; l <= masklen; l++)
761 fprintf(fp_hpp, " _mask%d = in._mask%d;\n", l, l);
762 fprintf(fp_hpp, " return *this;\n");
763 fprintf(fp_hpp, " }\n\n");
764 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask intersect(const Pipeline_Use_Cycle_Mask &in2) {\n");
765 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask out;\n");
766 for (l = 1; l <= masklen; l++)
767 fprintf(fp_hpp, " out._mask%d = _mask%d & in2._mask%d;\n", l, l, l);
768 fprintf(fp_hpp, " return out;\n");
769 fprintf(fp_hpp, " }\n\n");
770 fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Cycle_Mask &in2) const {\n");
771 fprintf(fp_hpp, " return (");
772 for (l = 1; l <= masklen; l++)
773 fprintf(fp_hpp, "((_mask%d & in2._mask%d) != 0)%s", l, l, l < masklen ? " || " : "");
774 fprintf(fp_hpp, ") ? true : false;\n");
775 fprintf(fp_hpp, " }\n\n");
776 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator<<=(int n) {\n");
777 fprintf(fp_hpp, " if (n >= 32)\n");
778 fprintf(fp_hpp, " do {\n ");
779 for (l = masklen; l > 1; l--)
780 fprintf(fp_hpp, " _mask%d = _mask%d;", l, l-1);
781 fprintf(fp_hpp, " _mask%d = 0;\n", 1);
782 fprintf(fp_hpp, " } while ((n -= 32) >= 32);\n\n");
783 fprintf(fp_hpp, " if (n > 0) {\n");
784 fprintf(fp_hpp, " uint m = 32 - n;\n");
785 fprintf(fp_hpp, " uint mask = (1 << n) - 1;\n");
786 fprintf(fp_hpp, " uint temp%d = mask & (_mask%d >> m); _mask%d <<= n;\n", 2, 1, 1);
787 for (l = 2; l < masklen; l++) {
788 fprintf(fp_hpp, " uint temp%d = mask & (_mask%d >> m); _mask%d <<= n; _mask%d |= temp%d;\n", l+1, l, l, l, l);
789 }
790 fprintf(fp_hpp, " _mask%d <<= n; _mask%d |= temp%d;\n", masklen, masklen, masklen);
791 fprintf(fp_hpp, " }\n");
793 fprintf(fp_hpp, " return *this;\n");
794 fprintf(fp_hpp, " }\n\n");
795 fprintf(fp_hpp, " void Or(const Pipeline_Use_Cycle_Mask &);\n\n");
796 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator&(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n");
797 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator|(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n\n");
798 }
800 fprintf(fp_hpp, " friend class Pipeline_Use;\n\n");
801 fprintf(fp_hpp, " friend class Pipeline_Use_Element;\n\n");
802 fprintf(fp_hpp, "};\n\n");
804 uint rescount = 0;
805 const char *resource;
807 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
808 int mask = _pipeline->_resdict[resource]->is_resource()->mask();
809 if ((mask & (mask-1)) == 0)
810 rescount++;
811 }
813 fprintf(fp_hpp, "// Pipeline_Use_Element Class\n");
814 fprintf(fp_hpp, "class Pipeline_Use_Element {\n");
815 fprintf(fp_hpp, "protected:\n");
816 fprintf(fp_hpp, " // Mask of used functional units\n");
817 fprintf(fp_hpp, " uint _used;\n\n");
818 fprintf(fp_hpp, " // Lower and upper bound of functional unit number range\n");
819 fprintf(fp_hpp, " uint _lb, _ub;\n\n");
820 fprintf(fp_hpp, " // Indicates multiple functionals units available\n");
821 fprintf(fp_hpp, " bool _multiple;\n\n");
822 fprintf(fp_hpp, " // Mask of specific used cycles\n");
823 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask _mask;\n\n");
824 fprintf(fp_hpp, "public:\n");
825 fprintf(fp_hpp, " Pipeline_Use_Element() {}\n\n");
826 fprintf(fp_hpp, " Pipeline_Use_Element(uint used, uint lb, uint ub, bool multiple, Pipeline_Use_Cycle_Mask mask)\n");
827 fprintf(fp_hpp, " : _used(used), _lb(lb), _ub(ub), _multiple(multiple), _mask(mask) {}\n\n");
828 fprintf(fp_hpp, " uint used() const { return _used; }\n\n");
829 fprintf(fp_hpp, " uint lowerBound() const { return _lb; }\n\n");
830 fprintf(fp_hpp, " uint upperBound() const { return _ub; }\n\n");
831 fprintf(fp_hpp, " bool multiple() const { return _multiple; }\n\n");
832 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask mask() const { return _mask; }\n\n");
833 fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Element &in2) const {\n");
834 fprintf(fp_hpp, " return ((_used & in2._used) != 0 && _mask.overlaps(in2._mask));\n");
835 fprintf(fp_hpp, " }\n\n");
836 fprintf(fp_hpp, " void step(uint cycles) {\n");
837 fprintf(fp_hpp, " _used = 0;\n");
838 fprintf(fp_hpp, " _mask <<= cycles;\n");
839 fprintf(fp_hpp, " }\n\n");
840 fprintf(fp_hpp, " friend class Pipeline_Use;\n");
841 fprintf(fp_hpp, "};\n\n");
843 fprintf(fp_hpp, "// Pipeline_Use Class\n");
844 fprintf(fp_hpp, "class Pipeline_Use {\n");
845 fprintf(fp_hpp, "protected:\n");
846 fprintf(fp_hpp, " // These resources can be used\n");
847 fprintf(fp_hpp, " uint _resources_used;\n\n");
848 fprintf(fp_hpp, " // These resources are used; excludes multiple choice functional units\n");
849 fprintf(fp_hpp, " uint _resources_used_exclusively;\n\n");
850 fprintf(fp_hpp, " // Number of elements\n");
851 fprintf(fp_hpp, " uint _count;\n\n");
852 fprintf(fp_hpp, " // This is the array of Pipeline_Use_Elements\n");
853 fprintf(fp_hpp, " Pipeline_Use_Element * _elements;\n\n");
854 fprintf(fp_hpp, "public:\n");
855 fprintf(fp_hpp, " Pipeline_Use(uint resources_used, uint resources_used_exclusively, uint count, Pipeline_Use_Element *elements)\n");
856 fprintf(fp_hpp, " : _resources_used(resources_used)\n");
857 fprintf(fp_hpp, " , _resources_used_exclusively(resources_used_exclusively)\n");
858 fprintf(fp_hpp, " , _count(count)\n");
859 fprintf(fp_hpp, " , _elements(elements)\n");
860 fprintf(fp_hpp, " {}\n\n");
861 fprintf(fp_hpp, " uint resourcesUsed() const { return _resources_used; }\n\n");
862 fprintf(fp_hpp, " uint resourcesUsedExclusively() const { return _resources_used_exclusively; }\n\n");
863 fprintf(fp_hpp, " uint count() const { return _count; }\n\n");
864 fprintf(fp_hpp, " Pipeline_Use_Element * element(uint i) const { return &_elements[i]; }\n\n");
865 fprintf(fp_hpp, " uint full_latency(uint delay, const Pipeline_Use &pred) const;\n\n");
866 fprintf(fp_hpp, " void add_usage(const Pipeline_Use &pred);\n\n");
867 fprintf(fp_hpp, " void reset() {\n");
868 fprintf(fp_hpp, " _resources_used = _resources_used_exclusively = 0;\n");
869 fprintf(fp_hpp, " };\n\n");
870 fprintf(fp_hpp, " void step(uint cycles) {\n");
871 fprintf(fp_hpp, " reset();\n");
872 fprintf(fp_hpp, " for (uint i = 0; i < %d; i++)\n",
873 rescount);
874 fprintf(fp_hpp, " (&_elements[i])->step(cycles);\n");
875 fprintf(fp_hpp, " };\n\n");
876 fprintf(fp_hpp, " static const Pipeline_Use elaborated_use;\n");
877 fprintf(fp_hpp, " static const Pipeline_Use_Element elaborated_elements[%d];\n\n",
878 rescount);
879 fprintf(fp_hpp, " friend class Pipeline;\n");
880 fprintf(fp_hpp, "};\n\n");
882 fprintf(fp_hpp, "// Pipeline Class\n");
883 fprintf(fp_hpp, "class Pipeline {\n");
884 fprintf(fp_hpp, "public:\n");
886 fprintf(fp_hpp, " static bool enabled() { return %s; }\n\n",
887 _pipeline ? "true" : "false" );
889 assert( _pipeline->_maxInstrsPerBundle &&
890 ( _pipeline->_instrUnitSize || _pipeline->_bundleUnitSize) &&
891 _pipeline->_instrFetchUnitSize &&
892 _pipeline->_instrFetchUnits,
893 "unspecified pipeline architecture units");
895 uint unitSize = _pipeline->_instrUnitSize ? _pipeline->_instrUnitSize : _pipeline->_bundleUnitSize;
897 fprintf(fp_hpp, " enum {\n");
898 fprintf(fp_hpp, " _variable_size_instructions = %d,\n",
899 _pipeline->_variableSizeInstrs ? 1 : 0);
900 fprintf(fp_hpp, " _fixed_size_instructions = %d,\n",
901 _pipeline->_variableSizeInstrs ? 0 : 1);
902 fprintf(fp_hpp, " _branch_has_delay_slot = %d,\n",
903 _pipeline->_branchHasDelaySlot ? 1 : 0);
904 fprintf(fp_hpp, " _max_instrs_per_bundle = %d,\n",
905 _pipeline->_maxInstrsPerBundle);
906 fprintf(fp_hpp, " _max_bundles_per_cycle = %d,\n",
907 _pipeline->_maxBundlesPerCycle);
908 fprintf(fp_hpp, " _max_instrs_per_cycle = %d\n",
909 _pipeline->_maxBundlesPerCycle * _pipeline->_maxInstrsPerBundle);
910 fprintf(fp_hpp, " };\n\n");
912 fprintf(fp_hpp, " static bool instr_has_unit_size() { return %s; }\n\n",
913 _pipeline->_instrUnitSize != 0 ? "true" : "false" );
914 if( _pipeline->_bundleUnitSize != 0 )
915 if( _pipeline->_instrUnitSize != 0 )
916 fprintf(fp_hpp, "// Individual Instructions may be bundled together by the hardware\n\n");
917 else
918 fprintf(fp_hpp, "// Instructions exist only in bundles\n\n");
919 else
920 fprintf(fp_hpp, "// Bundling is not supported\n\n");
921 if( _pipeline->_instrUnitSize != 0 )
922 fprintf(fp_hpp, " // Size of an instruction\n");
923 else
924 fprintf(fp_hpp, " // Size of an individual instruction does not exist - unsupported\n");
925 fprintf(fp_hpp, " static uint instr_unit_size() {");
926 if( _pipeline->_instrUnitSize == 0 )
927 fprintf(fp_hpp, " assert( false, \"Instructions are only in bundles\" );");
928 fprintf(fp_hpp, " return %d; };\n\n", _pipeline->_instrUnitSize);
930 if( _pipeline->_bundleUnitSize != 0 )
931 fprintf(fp_hpp, " // Size of a bundle\n");
932 else
933 fprintf(fp_hpp, " // Bundles do not exist - unsupported\n");
934 fprintf(fp_hpp, " static uint bundle_unit_size() {");
935 if( _pipeline->_bundleUnitSize == 0 )
936 fprintf(fp_hpp, " assert( false, \"Bundles are not supported\" );");
937 fprintf(fp_hpp, " return %d; };\n\n", _pipeline->_bundleUnitSize);
939 fprintf(fp_hpp, " static bool requires_bundling() { return %s; }\n\n",
940 _pipeline->_bundleUnitSize != 0 && _pipeline->_instrUnitSize == 0 ? "true" : "false" );
942 fprintf(fp_hpp, "private:\n");
943 fprintf(fp_hpp, " Pipeline(); // Not a legal constructor\n");
944 fprintf(fp_hpp, "\n");
945 fprintf(fp_hpp, " const unsigned char _read_stage_count;\n");
946 fprintf(fp_hpp, " const unsigned char _write_stage;\n");
947 fprintf(fp_hpp, " const unsigned char _fixed_latency;\n");
948 fprintf(fp_hpp, " const unsigned char _instruction_count;\n");
949 fprintf(fp_hpp, " const bool _has_fixed_latency;\n");
950 fprintf(fp_hpp, " const bool _has_branch_delay;\n");
951 fprintf(fp_hpp, " const bool _has_multiple_bundles;\n");
952 fprintf(fp_hpp, " const bool _force_serialization;\n");
953 fprintf(fp_hpp, " const bool _may_have_no_code;\n");
954 fprintf(fp_hpp, " const enum machPipelineStages * const _read_stages;\n");
955 fprintf(fp_hpp, " const enum machPipelineStages * const _resource_stage;\n");
956 fprintf(fp_hpp, " const uint * const _resource_cycles;\n");
957 fprintf(fp_hpp, " const Pipeline_Use _resource_use;\n");
958 fprintf(fp_hpp, "\n");
959 fprintf(fp_hpp, "public:\n");
960 fprintf(fp_hpp, " Pipeline(uint write_stage,\n");
961 fprintf(fp_hpp, " uint count,\n");
962 fprintf(fp_hpp, " bool has_fixed_latency,\n");
963 fprintf(fp_hpp, " uint fixed_latency,\n");
964 fprintf(fp_hpp, " uint instruction_count,\n");
965 fprintf(fp_hpp, " bool has_branch_delay,\n");
966 fprintf(fp_hpp, " bool has_multiple_bundles,\n");
967 fprintf(fp_hpp, " bool force_serialization,\n");
968 fprintf(fp_hpp, " bool may_have_no_code,\n");
969 fprintf(fp_hpp, " enum machPipelineStages * const dst,\n");
970 fprintf(fp_hpp, " enum machPipelineStages * const stage,\n");
971 fprintf(fp_hpp, " uint * const cycles,\n");
972 fprintf(fp_hpp, " Pipeline_Use resource_use)\n");
973 fprintf(fp_hpp, " : _write_stage(write_stage)\n");
974 fprintf(fp_hpp, " , _read_stage_count(count)\n");
975 fprintf(fp_hpp, " , _has_fixed_latency(has_fixed_latency)\n");
976 fprintf(fp_hpp, " , _fixed_latency(fixed_latency)\n");
977 fprintf(fp_hpp, " , _read_stages(dst)\n");
978 fprintf(fp_hpp, " , _resource_stage(stage)\n");
979 fprintf(fp_hpp, " , _resource_cycles(cycles)\n");
980 fprintf(fp_hpp, " , _resource_use(resource_use)\n");
981 fprintf(fp_hpp, " , _instruction_count(instruction_count)\n");
982 fprintf(fp_hpp, " , _has_branch_delay(has_branch_delay)\n");
983 fprintf(fp_hpp, " , _has_multiple_bundles(has_multiple_bundles)\n");
984 fprintf(fp_hpp, " , _force_serialization(force_serialization)\n");
985 fprintf(fp_hpp, " , _may_have_no_code(may_have_no_code)\n");
986 fprintf(fp_hpp, " {};\n");
987 fprintf(fp_hpp, "\n");
988 fprintf(fp_hpp, " uint writeStage() const {\n");
989 fprintf(fp_hpp, " return (_write_stage);\n");
990 fprintf(fp_hpp, " }\n");
991 fprintf(fp_hpp, "\n");
992 fprintf(fp_hpp, " enum machPipelineStages readStage(int ndx) const {\n");
993 fprintf(fp_hpp, " return (ndx < _read_stage_count ? _read_stages[ndx] : stage_undefined);");
994 fprintf(fp_hpp, " }\n\n");
995 fprintf(fp_hpp, " uint resourcesUsed() const {\n");
996 fprintf(fp_hpp, " return _resource_use.resourcesUsed();\n }\n\n");
997 fprintf(fp_hpp, " uint resourcesUsedExclusively() const {\n");
998 fprintf(fp_hpp, " return _resource_use.resourcesUsedExclusively();\n }\n\n");
999 fprintf(fp_hpp, " bool hasFixedLatency() const {\n");
1000 fprintf(fp_hpp, " return (_has_fixed_latency);\n }\n\n");
1001 fprintf(fp_hpp, " uint fixedLatency() const {\n");
1002 fprintf(fp_hpp, " return (_fixed_latency);\n }\n\n");
1003 fprintf(fp_hpp, " uint functional_unit_latency(uint start, const Pipeline *pred) const;\n\n");
1004 fprintf(fp_hpp, " uint operand_latency(uint opnd, const Pipeline *pred) const;\n\n");
1005 fprintf(fp_hpp, " const Pipeline_Use& resourceUse() const {\n");
1006 fprintf(fp_hpp, " return (_resource_use); }\n\n");
1007 fprintf(fp_hpp, " const Pipeline_Use_Element * resourceUseElement(uint i) const {\n");
1008 fprintf(fp_hpp, " return (&_resource_use._elements[i]); }\n\n");
1009 fprintf(fp_hpp, " uint resourceUseCount() const {\n");
1010 fprintf(fp_hpp, " return (_resource_use._count); }\n\n");
1011 fprintf(fp_hpp, " uint instructionCount() const {\n");
1012 fprintf(fp_hpp, " return (_instruction_count); }\n\n");
1013 fprintf(fp_hpp, " bool hasBranchDelay() const {\n");
1014 fprintf(fp_hpp, " return (_has_branch_delay); }\n\n");
1015 fprintf(fp_hpp, " bool hasMultipleBundles() const {\n");
1016 fprintf(fp_hpp, " return (_has_multiple_bundles); }\n\n");
1017 fprintf(fp_hpp, " bool forceSerialization() const {\n");
1018 fprintf(fp_hpp, " return (_force_serialization); }\n\n");
1019 fprintf(fp_hpp, " bool mayHaveNoCode() const {\n");
1020 fprintf(fp_hpp, " return (_may_have_no_code); }\n\n");
1021 fprintf(fp_hpp, "//const Pipeline_Use_Cycle_Mask& resourceUseMask(int resource) const {\n");
1022 fprintf(fp_hpp, "// return (_resource_use_masks[resource]); }\n\n");
1023 fprintf(fp_hpp, "\n#ifndef PRODUCT\n");
1024 fprintf(fp_hpp, " static const char * stageName(uint i);\n");
1025 fprintf(fp_hpp, "#endif\n");
1026 fprintf(fp_hpp, "};\n\n");
1028 fprintf(fp_hpp, "// Bundle class\n");
1029 fprintf(fp_hpp, "class Bundle {\n");
1031 uint mshift = 0;
1032 for (uint msize = _pipeline->_maxInstrsPerBundle * _pipeline->_maxBundlesPerCycle; msize != 0; msize >>= 1)
1033 mshift++;
1035 uint rshift = rescount;
1037 fprintf(fp_hpp, "protected:\n");
1038 fprintf(fp_hpp, " enum {\n");
1039 fprintf(fp_hpp, " _unused_delay = 0x%x,\n", 0);
1040 fprintf(fp_hpp, " _use_nop_delay = 0x%x,\n", 1);
1041 fprintf(fp_hpp, " _use_unconditional_delay = 0x%x,\n", 2);
1042 fprintf(fp_hpp, " _use_conditional_delay = 0x%x,\n", 3);
1043 fprintf(fp_hpp, " _used_in_conditional_delay = 0x%x,\n", 4);
1044 fprintf(fp_hpp, " _used_in_unconditional_delay = 0x%x,\n", 5);
1045 fprintf(fp_hpp, " _used_in_all_conditional_delays = 0x%x,\n", 6);
1046 fprintf(fp_hpp, "\n");
1047 fprintf(fp_hpp, " _use_delay = 0x%x,\n", 3);
1048 fprintf(fp_hpp, " _used_in_delay = 0x%x\n", 4);
1049 fprintf(fp_hpp, " };\n\n");
1050 fprintf(fp_hpp, " uint _flags : 3,\n");
1051 fprintf(fp_hpp, " _starts_bundle : 1,\n");
1052 fprintf(fp_hpp, " _instr_count : %d,\n", mshift);
1053 fprintf(fp_hpp, " _resources_used : %d;\n", rshift);
1054 fprintf(fp_hpp, "public:\n");
1055 fprintf(fp_hpp, " Bundle() : _flags(_unused_delay), _starts_bundle(0), _instr_count(0), _resources_used(0) {}\n\n");
1056 fprintf(fp_hpp, " void set_instr_count(uint i) { _instr_count = i; }\n");
1057 fprintf(fp_hpp, " void set_resources_used(uint i) { _resources_used = i; }\n");
1058 fprintf(fp_hpp, " void clear_usage() { _flags = _unused_delay; }\n");
1059 fprintf(fp_hpp, " void set_starts_bundle() { _starts_bundle = true; }\n");
1061 fprintf(fp_hpp, " uint flags() const { return (_flags); }\n");
1062 fprintf(fp_hpp, " uint instr_count() const { return (_instr_count); }\n");
1063 fprintf(fp_hpp, " uint resources_used() const { return (_resources_used); }\n");
1064 fprintf(fp_hpp, " bool starts_bundle() const { return (_starts_bundle != 0); }\n");
1066 fprintf(fp_hpp, " void set_use_nop_delay() { _flags = _use_nop_delay; }\n");
1067 fprintf(fp_hpp, " void set_use_unconditional_delay() { _flags = _use_unconditional_delay; }\n");
1068 fprintf(fp_hpp, " void set_use_conditional_delay() { _flags = _use_conditional_delay; }\n");
1069 fprintf(fp_hpp, " void set_used_in_unconditional_delay() { _flags = _used_in_unconditional_delay; }\n");
1070 fprintf(fp_hpp, " void set_used_in_conditional_delay() { _flags = _used_in_conditional_delay; }\n");
1071 fprintf(fp_hpp, " void set_used_in_all_conditional_delays() { _flags = _used_in_all_conditional_delays; }\n");
1073 fprintf(fp_hpp, " bool use_nop_delay() { return (_flags == _use_nop_delay); }\n");
1074 fprintf(fp_hpp, " bool use_unconditional_delay() { return (_flags == _use_unconditional_delay); }\n");
1075 fprintf(fp_hpp, " bool use_conditional_delay() { return (_flags == _use_conditional_delay); }\n");
1076 fprintf(fp_hpp, " bool used_in_unconditional_delay() { return (_flags == _used_in_unconditional_delay); }\n");
1077 fprintf(fp_hpp, " bool used_in_conditional_delay() { return (_flags == _used_in_conditional_delay); }\n");
1078 fprintf(fp_hpp, " bool used_in_all_conditional_delays() { return (_flags == _used_in_all_conditional_delays); }\n");
1079 fprintf(fp_hpp, " bool use_delay() { return ((_flags & _use_delay) != 0); }\n");
1080 fprintf(fp_hpp, " bool used_in_delay() { return ((_flags & _used_in_delay) != 0); }\n\n");
1082 fprintf(fp_hpp, " enum {\n");
1083 fprintf(fp_hpp, " _nop_count = %d\n",
1084 _pipeline->_nopcnt);
1085 fprintf(fp_hpp, " };\n\n");
1086 fprintf(fp_hpp, " static void initialize_nops(MachNode *nop_list[%d], Compile* C);\n\n",
1087 _pipeline->_nopcnt);
1088 fprintf(fp_hpp, "#ifndef PRODUCT\n");
1089 fprintf(fp_hpp, " void dump() const;\n");
1090 fprintf(fp_hpp, "#endif\n");
1091 fprintf(fp_hpp, "};\n\n");
1093 // const char *classname;
1094 // for (_pipeline->_classlist.reset(); (classname = _pipeline->_classlist.iter()) != NULL; ) {
1095 // PipeClassForm *pipeclass = _pipeline->_classdict[classname]->is_pipeclass();
1096 // fprintf(fp_hpp, "// Pipeline Class Instance for \"%s\"\n", classname);
1097 // }
1098 }
1100 //------------------------------declareClasses---------------------------------
1101 // Construct the class hierarchy of MachNode classes from the instruction &
1102 // operand lists
1103 void ArchDesc::declareClasses(FILE *fp) {
1105 // Declare an array containing the machine register names, strings.
1106 declareRegNames(fp, _register);
1108 // Declare an array containing the machine register encoding values
1109 declareRegEncodes(fp, _register);
1111 // Generate declarations for the total number of operands
1112 fprintf(fp,"\n");
1113 fprintf(fp,"// Total number of operands defined in architecture definition\n");
1114 int num_operands = 0;
1115 OperandForm *op;
1116 for (_operands.reset(); (op = (OperandForm*)_operands.iter()) != NULL; ) {
1117 // Ensure this is a machine-world instruction
1118 if (op->ideal_only()) continue;
1120 ++num_operands;
1121 }
1122 int first_operand_class = num_operands;
1123 OpClassForm *opc;
1124 for (_opclass.reset(); (opc = (OpClassForm*)_opclass.iter()) != NULL; ) {
1125 // Ensure this is a machine-world instruction
1126 if (opc->ideal_only()) continue;
1128 ++num_operands;
1129 }
1130 fprintf(fp,"#define FIRST_OPERAND_CLASS %d\n", first_operand_class);
1131 fprintf(fp,"#define NUM_OPERANDS %d\n", num_operands);
1132 fprintf(fp,"\n");
1133 // Generate declarations for the total number of instructions
1134 fprintf(fp,"// Total number of instructions defined in architecture definition\n");
1135 fprintf(fp,"#define NUM_INSTRUCTIONS %d\n",instructFormCount());
1138 // Generate Machine Classes for each operand defined in AD file
1139 fprintf(fp,"\n");
1140 fprintf(fp,"//----------------------------Declare classes derived from MachOper----------\n");
1141 // Iterate through all operands
1142 _operands.reset();
1143 OperandForm *oper;
1144 for( ; (oper = (OperandForm*)_operands.iter()) != NULL;) {
1145 // Ensure this is a machine-world instruction
1146 if (oper->ideal_only() ) continue;
1147 // The declaration of labelOper is in machine-independent file: machnode
1148 if ( strcmp(oper->_ident,"label") == 0 ) continue;
1149 // The declaration of methodOper is in machine-independent file: machnode
1150 if ( strcmp(oper->_ident,"method") == 0 ) continue;
1152 // Build class definition for this operand
1153 fprintf(fp,"\n");
1154 fprintf(fp,"class %sOper : public MachOper { \n",oper->_ident);
1155 fprintf(fp,"private:\n");
1156 // Operand definitions that depend upon number of input edges
1157 {
1158 uint num_edges = oper->num_edges(_globalNames);
1159 if( num_edges != 1 ) { // Use MachOper::num_edges() {return 1;}
1160 fprintf(fp," virtual uint num_edges() const { return %d; }\n",
1161 num_edges );
1162 }
1163 if( num_edges > 0 ) {
1164 in_RegMask(fp);
1165 }
1166 }
1168 // Support storing constants inside the MachOper
1169 declareConstStorage(fp,_globalNames,oper);
1171 // Support storage of the condition codes
1172 if( oper->is_ideal_bool() ) {
1173 fprintf(fp," virtual int ccode() const { \n");
1174 fprintf(fp," switch (_c0) {\n");
1175 fprintf(fp," case BoolTest::eq : return equal();\n");
1176 fprintf(fp," case BoolTest::gt : return greater();\n");
1177 fprintf(fp," case BoolTest::lt : return less();\n");
1178 fprintf(fp," case BoolTest::ne : return not_equal();\n");
1179 fprintf(fp," case BoolTest::le : return less_equal();\n");
1180 fprintf(fp," case BoolTest::ge : return greater_equal();\n");
1181 fprintf(fp," default : ShouldNotReachHere(); return 0;\n");
1182 fprintf(fp," }\n");
1183 fprintf(fp," };\n");
1184 }
1186 // Support storage of the condition codes
1187 if( oper->is_ideal_bool() ) {
1188 fprintf(fp," virtual void negate() { \n");
1189 fprintf(fp," _c0 = (BoolTest::mask)((int)_c0^0x4); \n");
1190 fprintf(fp," };\n");
1191 }
1193 // Declare constructor.
1194 // Parameters start with condition code, then all other constants
1195 //
1196 // (1) MachXOper(int32 ccode, int32 c0, int32 c1, ..., int32 cn)
1197 // (2) : _ccode(ccode), _c0(c0), _c1(c1), ..., _cn(cn) { }
1198 //
1199 Form::DataType constant_type = oper->simple_type(_globalNames);
1200 defineConstructor(fp, oper->_ident, oper->num_consts(_globalNames),
1201 oper->_components, oper->is_ideal_bool(),
1202 constant_type, _globalNames);
1204 // Clone function
1205 fprintf(fp," virtual MachOper *clone(Compile* C) const;\n");
1207 // Support setting a spill offset into a constant operand.
1208 // We only support setting an 'int' offset, while in the
1209 // LP64 build spill offsets are added with an AddP which
1210 // requires a long constant. Thus we don't support spilling
1211 // in frames larger than 4Gig.
1212 if( oper->has_conI(_globalNames) ||
1213 oper->has_conL(_globalNames) )
1214 fprintf(fp, " virtual void set_con( jint c0 ) { _c0 = c0; }\n");
1216 // virtual functions for encoding and format
1217 // fprintf(fp," virtual void encode() const {\n %s }\n",
1218 // (oper->_encrule)?(oper->_encrule->_encrule):"");
1219 // Check the interface type, and generate the correct query functions
1220 // encoding queries based upon MEMORY_INTER, REG_INTER, CONST_INTER.
1222 fprintf(fp," virtual uint opcode() const { return %s; }\n",
1223 machOperEnum(oper->_ident));
1225 // virtual function to look up ideal return type of machine instruction
1226 //
1227 // (1) virtual const Type *type() const { return .....; }
1228 //
1229 if ((oper->_matrule) && (oper->_matrule->_lChild == NULL) &&
1230 (oper->_matrule->_rChild == NULL)) {
1231 unsigned int position = 0;
1232 const char *opret, *opname, *optype;
1233 oper->_matrule->base_operand(position,_globalNames,opret,opname,optype);
1234 fprintf(fp," virtual const Type *type() const {");
1235 const char *type = getIdealType(optype);
1236 if( type != NULL ) {
1237 Form::DataType data_type = oper->is_base_constant(_globalNames);
1238 // Check if we are an ideal pointer type
1239 if( data_type == Form::idealP || data_type == Form::idealN ) {
1240 // Return the ideal type we already have: <TypePtr *>
1241 fprintf(fp," return _c0;");
1242 } else {
1243 // Return the appropriate bottom type
1244 fprintf(fp," return %s;", getIdealType(optype));
1245 }
1246 } else {
1247 fprintf(fp," ShouldNotCallThis(); return Type::BOTTOM;");
1248 }
1249 fprintf(fp," }\n");
1250 } else {
1251 // Check for user-defined stack slots, based upon sRegX
1252 Form::DataType data_type = oper->is_user_name_for_sReg();
1253 if( data_type != Form::none ){
1254 const char *type = NULL;
1255 switch( data_type ) {
1256 case Form::idealI: type = "TypeInt::INT"; break;
1257 case Form::idealP: type = "TypePtr::BOTTOM";break;
1258 case Form::idealF: type = "Type::FLOAT"; break;
1259 case Form::idealD: type = "Type::DOUBLE"; break;
1260 case Form::idealL: type = "TypeLong::LONG"; break;
1261 case Form::none: // fall through
1262 default:
1263 assert( false, "No support for this type of stackSlot");
1264 }
1265 fprintf(fp," virtual const Type *type() const { return %s; } // stackSlotX\n", type);
1266 }
1267 }
1270 //
1271 // virtual functions for defining the encoding interface.
1272 //
1273 // Access the linearized ideal register mask,
1274 // map to physical register encoding
1275 if ( oper->_matrule && oper->_matrule->is_base_register(_globalNames) ) {
1276 // Just use the default virtual 'reg' call
1277 } else if ( oper->ideal_to_sReg_type(oper->_ident) != Form::none ) {
1278 // Special handling for operand 'sReg', a Stack Slot Register.
1279 // Map linearized ideal register mask to stack slot number
1280 fprintf(fp," virtual int reg(PhaseRegAlloc *ra_, const Node *node) const {\n");
1281 fprintf(fp," return (int)OptoReg::reg2stack(ra_->get_reg_first(node));/* sReg */\n");
1282 fprintf(fp," }\n");
1283 fprintf(fp," virtual int reg(PhaseRegAlloc *ra_, const Node *node, int idx) const {\n");
1284 fprintf(fp," return (int)OptoReg::reg2stack(ra_->get_reg_first(node->in(idx)));/* sReg */\n");
1285 fprintf(fp," }\n");
1286 }
1288 // Output the operand specific access functions used by an enc_class
1289 // These are only defined when we want to override the default virtual func
1290 if (oper->_interface != NULL) {
1291 fprintf(fp,"\n");
1292 // Check if it is a Memory Interface
1293 if ( oper->_interface->is_MemInterface() != NULL ) {
1294 MemInterface *mem_interface = oper->_interface->is_MemInterface();
1295 const char *base = mem_interface->_base;
1296 if( base != NULL ) {
1297 define_oper_interface(fp, *oper, _globalNames, "base", base);
1298 }
1299 char *index = mem_interface->_index;
1300 if( index != NULL ) {
1301 define_oper_interface(fp, *oper, _globalNames, "index", index);
1302 }
1303 const char *scale = mem_interface->_scale;
1304 if( scale != NULL ) {
1305 define_oper_interface(fp, *oper, _globalNames, "scale", scale);
1306 }
1307 const char *disp = mem_interface->_disp;
1308 if( disp != NULL ) {
1309 define_oper_interface(fp, *oper, _globalNames, "disp", disp);
1310 oper->disp_is_oop(fp, _globalNames);
1311 }
1312 if( oper->stack_slots_only(_globalNames) ) {
1313 // should not call this:
1314 fprintf(fp," virtual int constant_disp() const { return Type::OffsetBot; }");
1315 } else if ( disp != NULL ) {
1316 define_oper_interface(fp, *oper, _globalNames, "constant_disp", disp);
1317 }
1318 } // end Memory Interface
1319 // Check if it is a Conditional Interface
1320 else if (oper->_interface->is_CondInterface() != NULL) {
1321 CondInterface *cInterface = oper->_interface->is_CondInterface();
1322 const char *equal = cInterface->_equal;
1323 if( equal != NULL ) {
1324 define_oper_interface(fp, *oper, _globalNames, "equal", equal);
1325 }
1326 const char *not_equal = cInterface->_not_equal;
1327 if( not_equal != NULL ) {
1328 define_oper_interface(fp, *oper, _globalNames, "not_equal", not_equal);
1329 }
1330 const char *less = cInterface->_less;
1331 if( less != NULL ) {
1332 define_oper_interface(fp, *oper, _globalNames, "less", less);
1333 }
1334 const char *greater_equal = cInterface->_greater_equal;
1335 if( greater_equal != NULL ) {
1336 define_oper_interface(fp, *oper, _globalNames, "greater_equal", greater_equal);
1337 }
1338 const char *less_equal = cInterface->_less_equal;
1339 if( less_equal != NULL ) {
1340 define_oper_interface(fp, *oper, _globalNames, "less_equal", less_equal);
1341 }
1342 const char *greater = cInterface->_greater;
1343 if( greater != NULL ) {
1344 define_oper_interface(fp, *oper, _globalNames, "greater", greater);
1345 }
1346 } // end Conditional Interface
1347 // Check if it is a Constant Interface
1348 else if (oper->_interface->is_ConstInterface() != NULL ) {
1349 assert( oper->num_consts(_globalNames) == 1,
1350 "Must have one constant when using CONST_INTER encoding");
1351 if (!strcmp(oper->ideal_type(_globalNames), "ConI")) {
1352 // Access the locally stored constant
1353 fprintf(fp," virtual intptr_t constant() const {");
1354 fprintf(fp, " return (intptr_t)_c0;");
1355 fprintf(fp," }\n");
1356 }
1357 else if (!strcmp(oper->ideal_type(_globalNames), "ConP")) {
1358 // Access the locally stored constant
1359 fprintf(fp," virtual intptr_t constant() const {");
1360 fprintf(fp, " return _c0->get_con();");
1361 fprintf(fp, " }\n");
1362 // Generate query to determine if this pointer is an oop
1363 fprintf(fp," virtual bool constant_is_oop() const {");
1364 fprintf(fp, " return _c0->isa_oop_ptr();");
1365 fprintf(fp, " }\n");
1366 }
1367 else if (!strcmp(oper->ideal_type(_globalNames), "ConN")) {
1368 // Access the locally stored constant
1369 fprintf(fp," virtual intptr_t constant() const {");
1370 fprintf(fp, " return _c0->make_oopptr()->get_con();");
1371 fprintf(fp, " }\n");
1372 // Generate query to determine if this pointer is an oop
1373 fprintf(fp," virtual bool constant_is_oop() const {");
1374 fprintf(fp, " return _c0->make_oopptr()->isa_oop_ptr();");
1375 fprintf(fp, " }\n");
1376 }
1377 else if (!strcmp(oper->ideal_type(_globalNames), "ConL")) {
1378 fprintf(fp," virtual intptr_t constant() const {");
1379 // We don't support addressing modes with > 4Gig offsets.
1380 // Truncate to int.
1381 fprintf(fp, " return (intptr_t)_c0;");
1382 fprintf(fp, " }\n");
1383 fprintf(fp," virtual jlong constantL() const {");
1384 fprintf(fp, " return _c0;");
1385 fprintf(fp, " }\n");
1386 }
1387 else if (!strcmp(oper->ideal_type(_globalNames), "ConF")) {
1388 fprintf(fp," virtual intptr_t constant() const {");
1389 fprintf(fp, " ShouldNotReachHere(); return 0; ");
1390 fprintf(fp, " }\n");
1391 fprintf(fp," virtual jfloat constantF() const {");
1392 fprintf(fp, " return (jfloat)_c0;");
1393 fprintf(fp, " }\n");
1394 }
1395 else if (!strcmp(oper->ideal_type(_globalNames), "ConD")) {
1396 fprintf(fp," virtual intptr_t constant() const {");
1397 fprintf(fp, " ShouldNotReachHere(); return 0; ");
1398 fprintf(fp, " }\n");
1399 fprintf(fp," virtual jdouble constantD() const {");
1400 fprintf(fp, " return _c0;");
1401 fprintf(fp, " }\n");
1402 }
1403 }
1404 else if (oper->_interface->is_RegInterface() != NULL) {
1405 // make sure that a fixed format string isn't used for an
1406 // operand which might be assiged to multiple registers.
1407 // Otherwise the opto assembly output could be misleading.
1408 if (oper->_format->_strings.count() != 0 && !oper->is_bound_register()) {
1409 syntax_err(oper->_linenum,
1410 "Only bound registers can have fixed formats: %s\n",
1411 oper->_ident);
1412 }
1413 }
1414 else {
1415 assert( false, "ShouldNotReachHere();");
1416 }
1417 }
1419 fprintf(fp,"\n");
1420 // // Currently all XXXOper::hash() methods are identical (990820)
1421 // declare_hash(fp);
1422 // // Currently all XXXOper::Cmp() methods are identical (990820)
1423 // declare_cmp(fp);
1425 // Do not place dump_spec() and Name() into PRODUCT code
1426 // int_format and ext_format are not needed in PRODUCT code either
1427 fprintf(fp, "#ifndef PRODUCT\n");
1429 // Declare int_format() and ext_format()
1430 gen_oper_format(fp, _globalNames, *oper);
1432 // Machine independent print functionality for debugging
1433 // IF we have constants, create a dump_spec function for the derived class
1434 //
1435 // (1) virtual void dump_spec() const {
1436 // (2) st->print("#%d", _c#); // Constant != ConP
1437 // OR _c#->dump_on(st); // Type ConP
1438 // ...
1439 // (3) }
1440 uint num_consts = oper->num_consts(_globalNames);
1441 if( num_consts > 0 ) {
1442 // line (1)
1443 fprintf(fp, " virtual void dump_spec(outputStream *st) const {\n");
1444 // generate format string for st->print
1445 // Iterate over the component list & spit out the right thing
1446 uint i = 0;
1447 const char *type = oper->ideal_type(_globalNames);
1448 Component *comp;
1449 oper->_components.reset();
1450 if ((comp = oper->_components.iter()) == NULL) {
1451 assert(num_consts == 1, "Bad component list detected.\n");
1452 i = dump_spec_constant( fp, type, i, oper );
1453 // Check that type actually matched
1454 assert( i != 0, "Non-constant operand lacks component list.");
1455 } // end if NULL
1456 else {
1457 // line (2)
1458 // dump all components
1459 oper->_components.reset();
1460 while((comp = oper->_components.iter()) != NULL) {
1461 type = comp->base_type(_globalNames);
1462 i = dump_spec_constant( fp, type, i, NULL );
1463 }
1464 }
1465 // finish line (3)
1466 fprintf(fp," }\n");
1467 }
1469 fprintf(fp," virtual const char *Name() const { return \"%s\";}\n",
1470 oper->_ident);
1472 fprintf(fp,"#endif\n");
1474 // Close definition of this XxxMachOper
1475 fprintf(fp,"};\n");
1476 }
1479 // Generate Machine Classes for each instruction defined in AD file
1480 fprintf(fp,"\n");
1481 fprintf(fp,"//----------------------------Declare classes for Pipelines-----------------\n");
1482 declare_pipe_classes(fp);
1484 // Generate Machine Classes for each instruction defined in AD file
1485 fprintf(fp,"\n");
1486 fprintf(fp,"//----------------------------Declare classes derived from MachNode----------\n");
1487 _instructions.reset();
1488 InstructForm *instr;
1489 for( ; (instr = (InstructForm*)_instructions.iter()) != NULL; ) {
1490 // Ensure this is a machine-world instruction
1491 if ( instr->ideal_only() ) continue;
1493 // Build class definition for this instruction
1494 fprintf(fp,"\n");
1495 fprintf(fp,"class %sNode : public %s { \n",
1496 instr->_ident, instr->mach_base_class() );
1497 fprintf(fp,"private:\n");
1498 fprintf(fp," MachOper *_opnd_array[%d];\n", instr->num_opnds() );
1499 if ( instr->is_ideal_jump() ) {
1500 fprintf(fp, " GrowableArray<Label*> _index2label;\n");
1501 }
1502 fprintf(fp,"public:\n");
1503 fprintf(fp," MachOper *opnd_array(uint operand_index) const { assert(operand_index < _num_opnds, \"invalid _opnd_array index\"); return _opnd_array[operand_index]; }\n");
1504 fprintf(fp," void set_opnd_array(uint operand_index, MachOper *operand) { assert(operand_index < _num_opnds, \"invalid _opnd_array index\"); _opnd_array[operand_index] = operand; }\n");
1505 fprintf(fp,"private:\n");
1506 if ( instr->is_ideal_jump() ) {
1507 fprintf(fp," virtual void add_case_label(int index_num, Label* blockLabel) {\n");
1508 fprintf(fp," _index2label.at_put_grow(index_num, blockLabel);}\n");
1509 }
1510 if( can_cisc_spill() && (instr->cisc_spill_alternate() != NULL) ) {
1511 fprintf(fp," const RegMask *_cisc_RegMask;\n");
1512 }
1514 out_RegMask(fp); // output register mask
1515 fprintf(fp," virtual uint rule() const { return %s_rule; }\n",
1516 instr->_ident);
1518 // If this instruction contains a labelOper
1519 // Declare Node::methods that set operand Label's contents
1520 int label_position = instr->label_position();
1521 if( label_position != -1 ) {
1522 // Set the label, stored in labelOper::_branch_label
1523 fprintf(fp," virtual void label_set( Label& label, uint block_num );\n");
1524 }
1526 // If this instruction contains a methodOper
1527 // Declare Node::methods that set operand method's contents
1528 int method_position = instr->method_position();
1529 if( method_position != -1 ) {
1530 // Set the address method, stored in methodOper::_method
1531 fprintf(fp," virtual void method_set( intptr_t method );\n");
1532 }
1534 // virtual functions for attributes
1535 //
1536 // Each instruction attribute results in a virtual call of same name.
1537 // The ins_cost is not handled here.
1538 Attribute *attr = instr->_attribs;
1539 bool is_pc_relative = false;
1540 while (attr != NULL) {
1541 if (strcmp(attr->_ident,"ins_cost") &&
1542 strcmp(attr->_ident,"ins_pc_relative")) {
1543 fprintf(fp," int %s() const { return %s; }\n",
1544 attr->_ident, attr->_val);
1545 }
1546 // Check value for ins_pc_relative, and if it is true (1), set the flag
1547 if (!strcmp(attr->_ident,"ins_pc_relative") && attr->int_val(*this) != 0)
1548 is_pc_relative = true;
1549 attr = (Attribute *)attr->_next;
1550 }
1552 // virtual functions for encode and format
1553 //
1554 // Output the opcode function and the encode function here using the
1555 // encoding class information in the _insencode slot.
1556 if ( instr->_insencode ) {
1557 fprintf(fp," virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const;\n");
1558 }
1560 // virtual function for getting the size of an instruction
1561 if ( instr->_size ) {
1562 fprintf(fp," virtual uint size(PhaseRegAlloc *ra_) const;\n");
1563 }
1565 // Return the top-level ideal opcode.
1566 // Use MachNode::ideal_Opcode() for nodes based on MachNode class
1567 // if the ideal_Opcode == Op_Node.
1568 if ( strcmp("Node", instr->ideal_Opcode(_globalNames)) != 0 ||
1569 strcmp("MachNode", instr->mach_base_class()) != 0 ) {
1570 fprintf(fp," virtual int ideal_Opcode() const { return Op_%s; }\n",
1571 instr->ideal_Opcode(_globalNames) );
1572 }
1574 // Allow machine-independent optimization, invert the sense of the IF test
1575 if( instr->is_ideal_if() ) {
1576 fprintf(fp," virtual void negate() { \n");
1577 // Identify which operand contains the negate(able) ideal condition code
1578 int idx = 0;
1579 instr->_components.reset();
1580 for( Component *comp; (comp = instr->_components.iter()) != NULL; ) {
1581 // Check that component is an operand
1582 Form *form = (Form*)_globalNames[comp->_type];
1583 OperandForm *opForm = form ? form->is_operand() : NULL;
1584 if( opForm == NULL ) continue;
1586 // Lookup the position of the operand in the instruction.
1587 if( opForm->is_ideal_bool() ) {
1588 idx = instr->operand_position(comp->_name, comp->_usedef);
1589 assert( idx != NameList::Not_in_list, "Did not find component in list that contained it.");
1590 break;
1591 }
1592 }
1593 fprintf(fp," opnd_array(%d)->negate();\n", idx);
1594 fprintf(fp," _prob = 1.0f - _prob;\n");
1595 fprintf(fp," };\n");
1596 }
1599 // Identify which input register matches the input register.
1600 uint matching_input = instr->two_address(_globalNames);
1602 // Generate the method if it returns != 0 otherwise use MachNode::two_adr()
1603 if( matching_input != 0 ) {
1604 fprintf(fp," virtual uint two_adr() const ");
1605 fprintf(fp,"{ return oper_input_base()");
1606 for( uint i = 2; i <= matching_input; i++ )
1607 fprintf(fp," + opnd_array(%d)->num_edges()",i-1);
1608 fprintf(fp,"; }\n");
1609 }
1611 // Declare cisc_version, if applicable
1612 // MachNode *cisc_version( int offset /* ,... */ );
1613 instr->declare_cisc_version(*this, fp);
1615 // If there is an explicit peephole rule, build it
1616 if ( instr->peepholes() != NULL ) {
1617 fprintf(fp," virtual MachNode *peephole(Block *block, int block_index, PhaseRegAlloc *ra_, int &deleted, Compile *C);\n");
1618 }
1620 // Output the declaration for number of relocation entries
1621 if ( instr->reloc(_globalNames) != 0 ) {
1622 fprintf(fp," virtual int reloc() const;\n");
1623 }
1625 if (instr->alignment() != 1) {
1626 fprintf(fp," virtual int alignment_required() const { return %d; }\n", instr->alignment());
1627 fprintf(fp," virtual int compute_padding(int current_offset) const;\n");
1628 }
1630 // Starting point for inputs matcher wants.
1631 // Use MachNode::oper_input_base() for nodes based on MachNode class
1632 // if the base == 1.
1633 if ( instr->oper_input_base(_globalNames) != 1 ||
1634 strcmp("MachNode", instr->mach_base_class()) != 0 ) {
1635 fprintf(fp," virtual uint oper_input_base() const { return %d; }\n",
1636 instr->oper_input_base(_globalNames));
1637 }
1639 // Make the constructor and following methods 'public:'
1640 fprintf(fp,"public:\n");
1642 // Constructor
1643 if ( instr->is_ideal_jump() ) {
1644 fprintf(fp," %sNode() : _index2label(MinJumpTableSize*2) { ", instr->_ident);
1645 } else {
1646 fprintf(fp," %sNode() { ", instr->_ident);
1647 if( can_cisc_spill() && (instr->cisc_spill_alternate() != NULL) ) {
1648 fprintf(fp,"_cisc_RegMask = NULL; ");
1649 }
1650 }
1652 fprintf(fp," _num_opnds = %d; _opnds = _opnd_array; ", instr->num_opnds());
1654 bool node_flags_set = false;
1655 // flag: if this instruction matches an ideal 'Goto' node
1656 if ( instr->is_ideal_goto() ) {
1657 fprintf(fp,"init_flags(Flag_is_Goto");
1658 node_flags_set = true;
1659 }
1661 // flag: if this instruction matches an ideal 'Copy*' node
1662 if ( instr->is_ideal_copy() != 0 ) {
1663 if ( node_flags_set ) {
1664 fprintf(fp," | Flag_is_Copy");
1665 } else {
1666 fprintf(fp,"init_flags(Flag_is_Copy");
1667 node_flags_set = true;
1668 }
1669 }
1671 // Is an instruction is a constant? If so, get its type
1672 Form::DataType data_type;
1673 const char *opType = NULL;
1674 const char *result = NULL;
1675 data_type = instr->is_chain_of_constant(_globalNames, opType, result);
1676 // Check if this instruction is a constant
1677 if ( data_type != Form::none ) {
1678 if ( node_flags_set ) {
1679 fprintf(fp," | Flag_is_Con");
1680 } else {
1681 fprintf(fp,"init_flags(Flag_is_Con");
1682 node_flags_set = true;
1683 }
1684 }
1686 // flag: if instruction matches 'If' | 'Goto' | 'CountedLoopEnd | 'Jump'
1687 if ( instr->is_ideal_branch() ) {
1688 if ( node_flags_set ) {
1689 fprintf(fp," | Flag_is_Branch");
1690 } else {
1691 fprintf(fp,"init_flags(Flag_is_Branch");
1692 node_flags_set = true;
1693 }
1694 }
1696 // flag: if this instruction is cisc alternate
1697 if ( can_cisc_spill() && instr->is_cisc_alternate() ) {
1698 if ( node_flags_set ) {
1699 fprintf(fp," | Flag_is_cisc_alternate");
1700 } else {
1701 fprintf(fp,"init_flags(Flag_is_cisc_alternate");
1702 node_flags_set = true;
1703 }
1704 }
1706 // flag: if this instruction is pc relative
1707 if ( is_pc_relative ) {
1708 if ( node_flags_set ) {
1709 fprintf(fp," | Flag_is_pc_relative");
1710 } else {
1711 fprintf(fp,"init_flags(Flag_is_pc_relative");
1712 node_flags_set = true;
1713 }
1714 }
1716 // flag: if this instruction has short branch form
1717 if ( instr->has_short_branch_form() ) {
1718 if ( node_flags_set ) {
1719 fprintf(fp," | Flag_may_be_short_branch");
1720 } else {
1721 fprintf(fp,"init_flags(Flag_may_be_short_branch");
1722 node_flags_set = true;
1723 }
1724 }
1726 // Check if machine instructions that USE memory, but do not DEF memory,
1727 // depend upon a node that defines memory in machine-independent graph.
1728 if ( instr->needs_anti_dependence_check(_globalNames) ) {
1729 if ( node_flags_set ) {
1730 fprintf(fp," | Flag_needs_anti_dependence_check");
1731 } else {
1732 fprintf(fp,"init_flags(Flag_needs_anti_dependence_check");
1733 node_flags_set = true;
1734 }
1735 }
1737 if ( node_flags_set ) {
1738 fprintf(fp,"); ");
1739 }
1741 if (instr->is_ideal_unlock() || instr->is_ideal_call_leaf()) {
1742 fprintf(fp,"clear_flag(Flag_is_safepoint_node); ");
1743 }
1745 fprintf(fp,"}\n");
1747 // size_of, used by base class's clone to obtain the correct size.
1748 fprintf(fp," virtual uint size_of() const {");
1749 fprintf(fp, " return sizeof(%sNode);", instr->_ident);
1750 fprintf(fp, " }\n");
1752 // Virtual methods which are only generated to override base class
1753 if( instr->expands() || instr->needs_projections() ||
1754 instr->has_temps() ||
1755 instr->_matrule != NULL &&
1756 instr->num_opnds() != instr->num_unique_opnds() ) {
1757 fprintf(fp," virtual MachNode *Expand(State *state, Node_List &proj_list);\n");
1758 }
1760 if (instr->is_pinned(_globalNames)) {
1761 fprintf(fp," virtual bool pinned() const { return ");
1762 if (instr->is_parm(_globalNames)) {
1763 fprintf(fp,"_in[0]->pinned();");
1764 } else {
1765 fprintf(fp,"true;");
1766 }
1767 fprintf(fp," }\n");
1768 }
1769 if (instr->is_projection(_globalNames)) {
1770 fprintf(fp," virtual const Node *is_block_proj() const { return this; }\n");
1771 }
1772 if ( instr->num_post_match_opnds() != 0
1773 || instr->is_chain_of_constant(_globalNames) ) {
1774 fprintf(fp," friend MachNode *State::MachNodeGenerator(int opcode, Compile* C);\n");
1775 }
1776 if ( instr->rematerialize(_globalNames, get_registers()) ) {
1777 fprintf(fp," // Rematerialize %s\n", instr->_ident);
1778 }
1780 // Declare short branch methods, if applicable
1781 instr->declare_short_branch_methods(fp);
1783 // Instructions containing a constant that will be entered into the
1784 // float/double table redefine the base virtual function
1785 #ifdef SPARC
1786 // Sparc doubles entries in the constant table require more space for
1787 // alignment. (expires 9/98)
1788 int table_entries = (3 * instr->num_consts( _globalNames, Form::idealD ))
1789 + instr->num_consts( _globalNames, Form::idealF );
1790 #else
1791 int table_entries = instr->num_consts( _globalNames, Form::idealD )
1792 + instr->num_consts( _globalNames, Form::idealF );
1793 #endif
1794 if( table_entries != 0 ) {
1795 fprintf(fp," virtual int const_size() const {");
1796 fprintf(fp, " return %d;", table_entries);
1797 fprintf(fp, " }\n");
1798 }
1801 // See if there is an "ins_pipe" declaration for this instruction
1802 if (instr->_ins_pipe) {
1803 fprintf(fp," static const Pipeline *pipeline_class();\n");
1804 fprintf(fp," virtual const Pipeline *pipeline() const;\n");
1805 }
1807 // Generate virtual function for MachNodeX::bottom_type when necessary
1808 //
1809 // Note on accuracy: Pointer-types of machine nodes need to be accurate,
1810 // or else alias analysis on the matched graph may produce bad code.
1811 // Moreover, the aliasing decisions made on machine-node graph must be
1812 // no less accurate than those made on the ideal graph, or else the graph
1813 // may fail to schedule. (Reason: Memory ops which are reordered in
1814 // the ideal graph might look interdependent in the machine graph,
1815 // thereby removing degrees of scheduling freedom that the optimizer
1816 // assumed would be available.)
1817 //
1818 // %%% We should handle many of these cases with an explicit ADL clause:
1819 // instruct foo() %{ ... bottom_type(TypeRawPtr::BOTTOM); ... %}
1820 if( data_type != Form::none ) {
1821 // A constant's bottom_type returns a Type containing its constant value
1823 // !!!!!
1824 // Convert all ints, floats, ... to machine-independent TypeXs
1825 // as is done for pointers
1826 //
1827 // Construct appropriate constant type containing the constant value.
1828 fprintf(fp," virtual const class Type *bottom_type() const{\n");
1829 switch( data_type ) {
1830 case Form::idealI:
1831 fprintf(fp," return TypeInt::make(opnd_array(1)->constant());\n");
1832 break;
1833 case Form::idealP:
1834 case Form::idealN:
1835 fprintf(fp," return opnd_array(1)->type();\n");
1836 break;
1837 case Form::idealD:
1838 fprintf(fp," return TypeD::make(opnd_array(1)->constantD());\n");
1839 break;
1840 case Form::idealF:
1841 fprintf(fp," return TypeF::make(opnd_array(1)->constantF());\n");
1842 break;
1843 case Form::idealL:
1844 fprintf(fp," return TypeLong::make(opnd_array(1)->constantL());\n");
1845 break;
1846 default:
1847 assert( false, "Unimplemented()" );
1848 break;
1849 }
1850 fprintf(fp," };\n");
1851 }
1852 /* else if ( instr->_matrule && instr->_matrule->_rChild &&
1853 ( strcmp("ConvF2I",instr->_matrule->_rChild->_opType)==0
1854 || strcmp("ConvD2I",instr->_matrule->_rChild->_opType)==0 ) ) {
1855 // !!!!! !!!!!
1856 // Provide explicit bottom type for conversions to int
1857 // On Intel the result operand is a stackSlot, untyped.
1858 fprintf(fp," virtual const class Type *bottom_type() const{");
1859 fprintf(fp, " return TypeInt::INT;");
1860 fprintf(fp, " };\n");
1861 }*/
1862 else if( instr->is_ideal_copy() &&
1863 !strcmp(instr->_matrule->_lChild->_opType,"stackSlotP") ) {
1864 // !!!!!
1865 // Special hack for ideal Copy of pointer. Bottom type is oop or not depending on input.
1866 fprintf(fp," const Type *bottom_type() const { return in(1)->bottom_type(); } // Copy?\n");
1867 }
1868 else if( instr->is_ideal_loadPC() ) {
1869 // LoadPCNode provides the return address of a call to native code.
1870 // Define its bottom type to be TypeRawPtr::BOTTOM instead of TypePtr::BOTTOM
1871 // since it is a pointer to an internal VM location and must have a zero offset.
1872 // Allocation detects derived pointers, in part, by their non-zero offsets.
1873 fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // LoadPC?\n");
1874 }
1875 else if( instr->is_ideal_box() ) {
1876 // BoxNode provides the address of a stack slot.
1877 // Define its bottom type to be TypeRawPtr::BOTTOM instead of TypePtr::BOTTOM
1878 // This prevent s insert_anti_dependencies from complaining. It will
1879 // complain if it see that the pointer base is TypePtr::BOTTOM since
1880 // it doesn't understand what that might alias.
1881 fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // Box?\n");
1882 }
1883 else if( instr->_matrule && instr->_matrule->_rChild && !strcmp(instr->_matrule->_rChild->_opType,"CMoveP") ) {
1884 int offset = 1;
1885 // Special special hack to see if the Cmp? has been incorporated in the conditional move
1886 MatchNode *rl = instr->_matrule->_rChild->_lChild;
1887 if( rl && !strcmp(rl->_opType, "Binary") ) {
1888 MatchNode *rlr = rl->_rChild;
1889 if (rlr && strncmp(rlr->_opType, "Cmp", 3) == 0)
1890 offset = 2;
1891 }
1892 // Special hack for ideal CMoveP; ideal type depends on inputs
1893 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",
1894 offset, offset+1, offset+1);
1895 }
1896 else if( instr->_matrule && instr->_matrule->_rChild && !strcmp(instr->_matrule->_rChild->_opType,"CMoveN") ) {
1897 int offset = 1;
1898 // Special special hack to see if the Cmp? has been incorporated in the conditional move
1899 MatchNode *rl = instr->_matrule->_rChild->_lChild;
1900 if( rl && !strcmp(rl->_opType, "Binary") ) {
1901 MatchNode *rlr = rl->_rChild;
1902 if (rlr && strncmp(rlr->_opType, "Cmp", 3) == 0)
1903 offset = 2;
1904 }
1905 // Special hack for ideal CMoveN; ideal type depends on inputs
1906 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",
1907 offset, offset+1, offset+1);
1908 }
1909 else if( instr->needs_base_oop_edge(_globalNames) ) {
1910 // Special hack for ideal AddP. Bottom type is an oop IFF it has a
1911 // legal base-pointer input. Otherwise it is NOT an oop.
1912 fprintf(fp," const Type *bottom_type() const { return AddPNode::mach_bottom_type(this); } // AddP\n");
1913 }
1914 else if (instr->is_tls_instruction()) {
1915 // Special hack for tlsLoadP
1916 fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // tlsLoadP\n");
1917 }
1918 else if ( instr->is_ideal_if() ) {
1919 fprintf(fp," const Type *bottom_type() const { return TypeTuple::IFBOTH; } // matched IfNode\n");
1920 }
1921 else if ( instr->is_ideal_membar() ) {
1922 fprintf(fp," const Type *bottom_type() const { return TypeTuple::MEMBAR; } // matched MemBar\n");
1923 }
1925 // Check where 'ideal_type' must be customized
1926 /*
1927 if ( instr->_matrule && instr->_matrule->_rChild &&
1928 ( strcmp("ConvF2I",instr->_matrule->_rChild->_opType)==0
1929 || strcmp("ConvD2I",instr->_matrule->_rChild->_opType)==0 ) ) {
1930 fprintf(fp," virtual uint ideal_reg() const { return Compile::current()->matcher()->base2reg[Type::Int]; }\n");
1931 }*/
1933 // Analyze machine instructions that either USE or DEF memory.
1934 int memory_operand = instr->memory_operand(_globalNames);
1935 // Some guys kill all of memory
1936 if ( instr->is_wide_memory_kill(_globalNames) ) {
1937 memory_operand = InstructForm::MANY_MEMORY_OPERANDS;
1938 }
1939 if ( memory_operand != InstructForm::NO_MEMORY_OPERAND ) {
1940 if( memory_operand == InstructForm::MANY_MEMORY_OPERANDS ) {
1941 fprintf(fp," virtual const TypePtr *adr_type() const;\n");
1942 }
1943 fprintf(fp," virtual const MachOper *memory_operand() const;\n");
1944 }
1946 fprintf(fp, "#ifndef PRODUCT\n");
1948 // virtual function for generating the user's assembler output
1949 gen_inst_format(fp, _globalNames,*instr);
1951 // Machine independent print functionality for debugging
1952 fprintf(fp," virtual const char *Name() const { return \"%s\";}\n",
1953 instr->_ident);
1955 fprintf(fp, "#endif\n");
1957 // Close definition of this XxxMachNode
1958 fprintf(fp,"};\n");
1959 };
1961 }
1963 void ArchDesc::defineStateClass(FILE *fp) {
1964 static const char *state__valid = "_valid[((uint)index) >> 5] & (0x1 << (((uint)index) & 0x0001F))";
1965 static const char *state__set_valid= "_valid[((uint)index) >> 5] |= (0x1 << (((uint)index) & 0x0001F))";
1967 fprintf(fp,"\n");
1968 fprintf(fp,"// MACROS to inline and constant fold State::valid(index)...\n");
1969 fprintf(fp,"// when given a constant 'index' in dfa_<arch>.cpp\n");
1970 fprintf(fp,"// uint word = index >> 5; // Shift out bit position\n");
1971 fprintf(fp,"// uint bitpos = index & 0x0001F; // Mask off word bits\n");
1972 fprintf(fp,"#define STATE__VALID(index) ");
1973 fprintf(fp," (%s)\n", state__valid);
1974 fprintf(fp,"\n");
1975 fprintf(fp,"#define STATE__NOT_YET_VALID(index) ");
1976 fprintf(fp," ( (%s) == 0 )\n", state__valid);
1977 fprintf(fp,"\n");
1978 fprintf(fp,"#define STATE__VALID_CHILD(state,index) ");
1979 fprintf(fp," ( state && (state->%s) )\n", state__valid);
1980 fprintf(fp,"\n");
1981 fprintf(fp,"#define STATE__SET_VALID(index) ");
1982 fprintf(fp," (%s)\n", state__set_valid);
1983 fprintf(fp,"\n");
1984 fprintf(fp,
1985 "//---------------------------State-------------------------------------------\n");
1986 fprintf(fp,"// State contains an integral cost vector, indexed by machine operand opcodes,\n");
1987 fprintf(fp,"// a rule vector consisting of machine operand/instruction opcodes, and also\n");
1988 fprintf(fp,"// indexed by machine operand opcodes, pointers to the children in the label\n");
1989 fprintf(fp,"// tree generated by the Label routines in ideal nodes (currently limited to\n");
1990 fprintf(fp,"// two for convenience, but this could change).\n");
1991 fprintf(fp,"class State : public ResourceObj {\n");
1992 fprintf(fp,"public:\n");
1993 fprintf(fp," int _id; // State identifier\n");
1994 fprintf(fp," Node *_leaf; // Ideal (non-machine-node) leaf of match tree\n");
1995 fprintf(fp," State *_kids[2]; // Children of state node in label tree\n");
1996 fprintf(fp," unsigned int _cost[_LAST_MACH_OPER]; // Cost vector, indexed by operand opcodes\n");
1997 fprintf(fp," unsigned int _rule[_LAST_MACH_OPER]; // Rule vector, indexed by operand opcodes\n");
1998 fprintf(fp," unsigned int _valid[(_LAST_MACH_OPER/32)+1]; // Bit Map of valid Cost/Rule entries\n");
1999 fprintf(fp,"\n");
2000 fprintf(fp," State(void); // Constructor\n");
2001 fprintf(fp," DEBUG_ONLY( ~State(void); ) // Destructor\n");
2002 fprintf(fp,"\n");
2003 fprintf(fp," // Methods created by ADLC and invoked by Reduce\n");
2004 fprintf(fp," MachOper *MachOperGenerator( int opcode, Compile* C );\n");
2005 fprintf(fp," MachNode *MachNodeGenerator( int opcode, Compile* C );\n");
2006 fprintf(fp,"\n");
2007 fprintf(fp," // Assign a state to a node, definition of method produced by ADLC\n");
2008 fprintf(fp," bool DFA( int opcode, const Node *ideal );\n");
2009 fprintf(fp,"\n");
2010 fprintf(fp," // Access function for _valid bit vector\n");
2011 fprintf(fp," bool valid(uint index) {\n");
2012 fprintf(fp," return( STATE__VALID(index) != 0 );\n");
2013 fprintf(fp," }\n");
2014 fprintf(fp,"\n");
2015 fprintf(fp," // Set function for _valid bit vector\n");
2016 fprintf(fp," void set_valid(uint index) {\n");
2017 fprintf(fp," STATE__SET_VALID(index);\n");
2018 fprintf(fp," }\n");
2019 fprintf(fp,"\n");
2020 fprintf(fp,"#ifndef PRODUCT\n");
2021 fprintf(fp," void dump(); // Debugging prints\n");
2022 fprintf(fp," void dump(int depth);\n");
2023 fprintf(fp,"#endif\n");
2024 if (_dfa_small) {
2025 // Generate the routine name we'll need
2026 for (int i = 1; i < _last_opcode; i++) {
2027 if (_mlistab[i] == NULL) continue;
2028 fprintf(fp, " void _sub_Op_%s(const Node *n);\n", NodeClassNames[i]);
2029 }
2030 }
2031 fprintf(fp,"};\n");
2032 fprintf(fp,"\n");
2033 fprintf(fp,"\n");
2035 }
2038 //---------------------------buildMachOperEnum---------------------------------
2039 // Build enumeration for densely packed operands.
2040 // This enumeration is used to index into the arrays in the State objects
2041 // that indicate cost and a successfull rule match.
2043 // Information needed to generate the ReduceOp mapping for the DFA
2044 class OutputMachOperands : public OutputMap {
2045 public:
2046 OutputMachOperands(FILE *hpp, FILE *cpp, FormDict &globals, ArchDesc &AD)
2047 : OutputMap(hpp, cpp, globals, AD) {};
2049 void declaration() { }
2050 void definition() { fprintf(_cpp, "enum MachOperands {\n"); }
2051 void closing() { fprintf(_cpp, " _LAST_MACH_OPER\n");
2052 OutputMap::closing();
2053 }
2054 void map(OpClassForm &opc) { fprintf(_cpp, " %s", _AD.machOperEnum(opc._ident) ); }
2055 void map(OperandForm &oper) { fprintf(_cpp, " %s", _AD.machOperEnum(oper._ident) ); }
2056 void map(char *name) { fprintf(_cpp, " %s", _AD.machOperEnum(name)); }
2058 bool do_instructions() { return false; }
2059 void map(InstructForm &inst){ assert( false, "ShouldNotCallThis()"); }
2060 };
2063 void ArchDesc::buildMachOperEnum(FILE *fp_hpp) {
2064 // Construct the table for MachOpcodes
2065 OutputMachOperands output_mach_operands(fp_hpp, fp_hpp, _globalNames, *this);
2066 build_map(output_mach_operands);
2067 }
2070 //---------------------------buildMachEnum----------------------------------
2071 // Build enumeration for all MachOpers and all MachNodes
2073 // Information needed to generate the ReduceOp mapping for the DFA
2074 class OutputMachOpcodes : public OutputMap {
2075 int begin_inst_chain_rule;
2076 int end_inst_chain_rule;
2077 int begin_rematerialize;
2078 int end_rematerialize;
2079 int end_instructions;
2080 public:
2081 OutputMachOpcodes(FILE *hpp, FILE *cpp, FormDict &globals, ArchDesc &AD)
2082 : OutputMap(hpp, cpp, globals, AD),
2083 begin_inst_chain_rule(-1), end_inst_chain_rule(-1), end_instructions(-1)
2084 {};
2086 void declaration() { }
2087 void definition() { fprintf(_cpp, "enum MachOpcodes {\n"); }
2088 void closing() {
2089 if( begin_inst_chain_rule != -1 )
2090 fprintf(_cpp, " _BEGIN_INST_CHAIN_RULE = %d,\n", begin_inst_chain_rule);
2091 if( end_inst_chain_rule != -1 )
2092 fprintf(_cpp, " _END_INST_CHAIN_RULE = %d,\n", end_inst_chain_rule);
2093 if( begin_rematerialize != -1 )
2094 fprintf(_cpp, " _BEGIN_REMATERIALIZE = %d,\n", begin_rematerialize);
2095 if( end_rematerialize != -1 )
2096 fprintf(_cpp, " _END_REMATERIALIZE = %d,\n", end_rematerialize);
2097 // always execute since do_instructions() is true, and avoids trailing comma
2098 fprintf(_cpp, " _last_Mach_Node = %d \n", end_instructions);
2099 OutputMap::closing();
2100 }
2101 void map(OpClassForm &opc) { fprintf(_cpp, " %s_rule", opc._ident ); }
2102 void map(OperandForm &oper) { fprintf(_cpp, " %s_rule", oper._ident ); }
2103 void map(char *name) { if (name) fprintf(_cpp, " %s_rule", name);
2104 else fprintf(_cpp, " 0"); }
2105 void map(InstructForm &inst) {fprintf(_cpp, " %s_rule", inst._ident ); }
2107 void record_position(OutputMap::position place, int idx ) {
2108 switch(place) {
2109 case OutputMap::BEGIN_INST_CHAIN_RULES :
2110 begin_inst_chain_rule = idx;
2111 break;
2112 case OutputMap::END_INST_CHAIN_RULES :
2113 end_inst_chain_rule = idx;
2114 break;
2115 case OutputMap::BEGIN_REMATERIALIZE :
2116 begin_rematerialize = idx;
2117 break;
2118 case OutputMap::END_REMATERIALIZE :
2119 end_rematerialize = idx;
2120 break;
2121 case OutputMap::END_INSTRUCTIONS :
2122 end_instructions = idx;
2123 break;
2124 default:
2125 break;
2126 }
2127 }
2128 };
2131 void ArchDesc::buildMachOpcodesEnum(FILE *fp_hpp) {
2132 // Construct the table for MachOpcodes
2133 OutputMachOpcodes output_mach_opcodes(fp_hpp, fp_hpp, _globalNames, *this);
2134 build_map(output_mach_opcodes);
2135 }
2138 // Generate an enumeration of the pipeline states, and both
2139 // the functional units (resources) and the masks for
2140 // specifying resources
2141 void ArchDesc::build_pipeline_enums(FILE *fp_hpp) {
2142 int stagelen = (int)strlen("undefined");
2143 int stagenum = 0;
2145 if (_pipeline) { // Find max enum string length
2146 const char *stage;
2147 for ( _pipeline->_stages.reset(); (stage = _pipeline->_stages.iter()) != NULL; ) {
2148 int len = (int)strlen(stage);
2149 if (stagelen < len) stagelen = len;
2150 }
2151 }
2153 // Generate a list of stages
2154 fprintf(fp_hpp, "\n");
2155 fprintf(fp_hpp, "// Pipeline Stages\n");
2156 fprintf(fp_hpp, "enum machPipelineStages {\n");
2157 fprintf(fp_hpp, " stage_%-*s = 0,\n", stagelen, "undefined");
2159 if( _pipeline ) {
2160 const char *stage;
2161 for ( _pipeline->_stages.reset(); (stage = _pipeline->_stages.iter()) != NULL; )
2162 fprintf(fp_hpp, " stage_%-*s = %d,\n", stagelen, stage, ++stagenum);
2163 }
2165 fprintf(fp_hpp, " stage_%-*s = %d\n", stagelen, "count", stagenum);
2166 fprintf(fp_hpp, "};\n");
2168 fprintf(fp_hpp, "\n");
2169 fprintf(fp_hpp, "// Pipeline Resources\n");
2170 fprintf(fp_hpp, "enum machPipelineResources {\n");
2171 int rescount = 0;
2173 if( _pipeline ) {
2174 const char *resource;
2175 int reslen = 0;
2177 // Generate a list of resources, and masks
2178 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
2179 int len = (int)strlen(resource);
2180 if (reslen < len)
2181 reslen = len;
2182 }
2184 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
2185 const ResourceForm *resform = _pipeline->_resdict[resource]->is_resource();
2186 int mask = resform->mask();
2187 if ((mask & (mask-1)) == 0)
2188 fprintf(fp_hpp, " resource_%-*s = %d,\n", reslen, resource, rescount++);
2189 }
2190 fprintf(fp_hpp, "\n");
2191 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
2192 const ResourceForm *resform = _pipeline->_resdict[resource]->is_resource();
2193 fprintf(fp_hpp, " res_mask_%-*s = 0x%08x,\n", reslen, resource, resform->mask());
2194 }
2195 fprintf(fp_hpp, "\n");
2196 }
2197 fprintf(fp_hpp, " resource_count = %d\n", rescount);
2198 fprintf(fp_hpp, "};\n");
2199 }
