src/share/vm/adlc/output_h.cpp

Wed, 02 Jul 2008 12:55:16 -0700

author
xdono
date
Wed, 02 Jul 2008 12:55:16 -0700
changeset 631
d1605aabd0a1
parent 548
ba764ed4b6f2
child 728
c3e045194476
permissions
-rw-r--r--

6719955: Update copyright year
Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

duke@435 1 /*
xdono@631 2 * Copyright 1998-2008 Sun Microsystems, Inc. All Rights Reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
duke@435 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435 20 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435 21 * have any questions.
duke@435 22 *
duke@435 23 */
duke@435 24
duke@435 25 // output_h.cpp - Class HPP file output routines for architecture definition
duke@435 26 #include "adlc.hpp"
duke@435 27
duke@435 28
duke@435 29 // Generate the #define that describes the number of registers.
duke@435 30 static void defineRegCount(FILE *fp, RegisterForm *registers) {
duke@435 31 if (registers) {
duke@435 32 int regCount = AdlcVMDeps::Physical + registers->_rdefs.count();
duke@435 33 fprintf(fp,"\n");
duke@435 34 fprintf(fp,"// the number of reserved registers + machine registers.\n");
duke@435 35 fprintf(fp,"#define REG_COUNT %d\n", regCount);
duke@435 36 }
duke@435 37 }
duke@435 38
duke@435 39 // Output enumeration of machine register numbers
duke@435 40 // (1)
duke@435 41 // // Enumerate machine registers starting after reserved regs.
duke@435 42 // // in the order of occurrence in the register block.
duke@435 43 // enum MachRegisterNumbers {
duke@435 44 // EAX_num = 0,
duke@435 45 // ...
duke@435 46 // _last_Mach_Reg
duke@435 47 // }
duke@435 48 void ArchDesc::buildMachRegisterNumbers(FILE *fp_hpp) {
duke@435 49 if (_register) {
duke@435 50 RegDef *reg_def = NULL;
duke@435 51
duke@435 52 // Output a #define for the number of machine registers
duke@435 53 defineRegCount(fp_hpp, _register);
duke@435 54
duke@435 55 // Count all the Save_On_Entry and Always_Save registers
duke@435 56 int saved_on_entry = 0;
duke@435 57 int c_saved_on_entry = 0;
duke@435 58 _register->reset_RegDefs();
duke@435 59 while( (reg_def = _register->iter_RegDefs()) != NULL ) {
duke@435 60 if( strcmp(reg_def->_callconv,"SOE") == 0 ||
duke@435 61 strcmp(reg_def->_callconv,"AS") == 0 ) ++saved_on_entry;
duke@435 62 if( strcmp(reg_def->_c_conv,"SOE") == 0 ||
duke@435 63 strcmp(reg_def->_c_conv,"AS") == 0 ) ++c_saved_on_entry;
duke@435 64 }
duke@435 65 fprintf(fp_hpp, "\n");
duke@435 66 fprintf(fp_hpp, "// the number of save_on_entry + always_saved registers.\n");
duke@435 67 fprintf(fp_hpp, "#define MAX_SAVED_ON_ENTRY_REG_COUNT %d\n", max(saved_on_entry,c_saved_on_entry));
duke@435 68 fprintf(fp_hpp, "#define SAVED_ON_ENTRY_REG_COUNT %d\n", saved_on_entry);
duke@435 69 fprintf(fp_hpp, "#define C_SAVED_ON_ENTRY_REG_COUNT %d\n", c_saved_on_entry);
duke@435 70
duke@435 71 // (1)
duke@435 72 // Build definition for enumeration of register numbers
duke@435 73 fprintf(fp_hpp, "\n");
duke@435 74 fprintf(fp_hpp, "// Enumerate machine register numbers starting after reserved regs.\n");
duke@435 75 fprintf(fp_hpp, "// in the order of occurrence in the register block.\n");
duke@435 76 fprintf(fp_hpp, "enum MachRegisterNumbers {\n");
duke@435 77
duke@435 78 // Output the register number for each register in the allocation classes
duke@435 79 _register->reset_RegDefs();
duke@435 80 int i = 0;
duke@435 81 while( (reg_def = _register->iter_RegDefs()) != NULL ) {
duke@435 82 fprintf(fp_hpp," %s_num,\t\t// %d\n", reg_def->_regname, i++);
duke@435 83 }
duke@435 84 // Finish defining enumeration
duke@435 85 fprintf(fp_hpp, " _last_Mach_Reg\t// %d\n", i);
duke@435 86 fprintf(fp_hpp, "};\n");
duke@435 87 }
duke@435 88
duke@435 89 fprintf(fp_hpp, "\n// Size of register-mask in ints\n");
duke@435 90 fprintf(fp_hpp, "#define RM_SIZE %d\n",RegisterForm::RegMask_Size());
duke@435 91 fprintf(fp_hpp, "// Unroll factor for loops over the data in a RegMask\n");
duke@435 92 fprintf(fp_hpp, "#define FORALL_BODY ");
duke@435 93 int len = RegisterForm::RegMask_Size();
duke@435 94 for( int i = 0; i < len; i++ )
duke@435 95 fprintf(fp_hpp, "BODY(%d) ",i);
duke@435 96 fprintf(fp_hpp, "\n\n");
duke@435 97
duke@435 98 fprintf(fp_hpp,"class RegMask;\n");
duke@435 99 // All RegMasks are declared "extern const ..." in ad_<arch>.hpp
duke@435 100 // fprintf(fp_hpp,"extern RegMask STACK_OR_STACK_SLOTS_mask;\n\n");
duke@435 101 }
duke@435 102
duke@435 103
duke@435 104 // Output enumeration of machine register encodings
duke@435 105 // (2)
duke@435 106 // // Enumerate machine registers starting after reserved regs.
duke@435 107 // // in the order of occurrence in the alloc_class(es).
duke@435 108 // enum MachRegisterEncodes {
duke@435 109 // EAX_enc = 0x00,
duke@435 110 // ...
duke@435 111 // }
duke@435 112 void ArchDesc::buildMachRegisterEncodes(FILE *fp_hpp) {
duke@435 113 if (_register) {
duke@435 114 RegDef *reg_def = NULL;
duke@435 115 RegDef *reg_def_next = NULL;
duke@435 116
duke@435 117 // (2)
duke@435 118 // Build definition for enumeration of encode values
duke@435 119 fprintf(fp_hpp, "\n");
duke@435 120 fprintf(fp_hpp, "// Enumerate machine registers starting after reserved regs.\n");
duke@435 121 fprintf(fp_hpp, "// in the order of occurrence in the alloc_class(es).\n");
duke@435 122 fprintf(fp_hpp, "enum MachRegisterEncodes {\n");
duke@435 123
duke@435 124 // Output the register encoding for each register in the allocation classes
duke@435 125 _register->reset_RegDefs();
duke@435 126 reg_def_next = _register->iter_RegDefs();
duke@435 127 while( (reg_def = reg_def_next) != NULL ) {
duke@435 128 reg_def_next = _register->iter_RegDefs();
duke@435 129 fprintf(fp_hpp," %s_enc = %s%s\n",
duke@435 130 reg_def->_regname, reg_def->register_encode(), reg_def_next == NULL? "" : "," );
duke@435 131 }
duke@435 132 // Finish defining enumeration
duke@435 133 fprintf(fp_hpp, "};\n");
duke@435 134
duke@435 135 } // Done with register form
duke@435 136 }
duke@435 137
duke@435 138
duke@435 139 // Declare an array containing the machine register names, strings.
duke@435 140 static void declareRegNames(FILE *fp, RegisterForm *registers) {
duke@435 141 if (registers) {
duke@435 142 // fprintf(fp,"\n");
duke@435 143 // fprintf(fp,"// An array of character pointers to machine register names.\n");
duke@435 144 // fprintf(fp,"extern const char *regName[];\n");
duke@435 145 }
duke@435 146 }
duke@435 147
duke@435 148 // Declare an array containing the machine register sizes in 32-bit words.
duke@435 149 void ArchDesc::declareRegSizes(FILE *fp) {
duke@435 150 // regSize[] is not used
duke@435 151 }
duke@435 152
duke@435 153 // Declare an array containing the machine register encoding values
duke@435 154 static void declareRegEncodes(FILE *fp, RegisterForm *registers) {
duke@435 155 if (registers) {
duke@435 156 // // //
duke@435 157 // fprintf(fp,"\n");
duke@435 158 // fprintf(fp,"// An array containing the machine register encode values\n");
duke@435 159 // fprintf(fp,"extern const char regEncode[];\n");
duke@435 160 }
duke@435 161 }
duke@435 162
duke@435 163
duke@435 164 // ---------------------------------------------------------------------------
duke@435 165 //------------------------------Utilities to build Instruction Classes--------
duke@435 166 // ---------------------------------------------------------------------------
duke@435 167 static void out_RegMask(FILE *fp) {
duke@435 168 fprintf(fp," virtual const RegMask &out_RegMask() const;\n");
duke@435 169 }
duke@435 170
duke@435 171 // ---------------------------------------------------------------------------
duke@435 172 //--------Utilities to build MachOper and MachNode derived Classes------------
duke@435 173 // ---------------------------------------------------------------------------
duke@435 174
duke@435 175 //------------------------------Utilities to build Operand Classes------------
duke@435 176 static void in_RegMask(FILE *fp) {
duke@435 177 fprintf(fp," virtual const RegMask *in_RegMask(int index) const;\n");
duke@435 178 }
duke@435 179
duke@435 180 static void declare_hash(FILE *fp) {
duke@435 181 fprintf(fp," virtual uint hash() const;\n");
duke@435 182 }
duke@435 183
duke@435 184 static void declare_cmp(FILE *fp) {
duke@435 185 fprintf(fp," virtual uint cmp( const MachOper &oper ) const;\n");
duke@435 186 }
duke@435 187
duke@435 188 static void declareConstStorage(FILE *fp, FormDict &globals, OperandForm *oper) {
duke@435 189 int i = 0;
duke@435 190 Component *comp;
duke@435 191
duke@435 192 if (oper->num_consts(globals) == 0) return;
duke@435 193 // Iterate over the component list looking for constants
duke@435 194 oper->_components.reset();
duke@435 195 if ((comp = oper->_components.iter()) == NULL) {
duke@435 196 assert(oper->num_consts(globals) == 1, "Bad component list detected.\n");
duke@435 197 const char *type = oper->ideal_type(globals);
duke@435 198 if (!strcmp(type, "ConI")) {
duke@435 199 if (i > 0) fprintf(fp,", ");
duke@435 200 fprintf(fp," int32 _c%d;\n", i);
duke@435 201 }
duke@435 202 else if (!strcmp(type, "ConP")) {
duke@435 203 if (i > 0) fprintf(fp,", ");
duke@435 204 fprintf(fp," const TypePtr *_c%d;\n", i);
duke@435 205 }
coleenp@548 206 else if (!strcmp(type, "ConN")) {
coleenp@548 207 if (i > 0) fprintf(fp,", ");
coleenp@548 208 fprintf(fp," const TypeNarrowOop *_c%d;\n", i);
coleenp@548 209 }
duke@435 210 else if (!strcmp(type, "ConL")) {
duke@435 211 if (i > 0) fprintf(fp,", ");
duke@435 212 fprintf(fp," jlong _c%d;\n", i);
duke@435 213 }
duke@435 214 else if (!strcmp(type, "ConF")) {
duke@435 215 if (i > 0) fprintf(fp,", ");
duke@435 216 fprintf(fp," jfloat _c%d;\n", i);
duke@435 217 }
duke@435 218 else if (!strcmp(type, "ConD")) {
duke@435 219 if (i > 0) fprintf(fp,", ");
duke@435 220 fprintf(fp," jdouble _c%d;\n", i);
duke@435 221 }
duke@435 222 else if (!strcmp(type, "Bool")) {
duke@435 223 fprintf(fp,"private:\n");
duke@435 224 fprintf(fp," BoolTest::mask _c%d;\n", i);
duke@435 225 fprintf(fp,"public:\n");
duke@435 226 }
duke@435 227 else {
duke@435 228 assert(0, "Non-constant operand lacks component list.");
duke@435 229 }
duke@435 230 } // end if NULL
duke@435 231 else {
duke@435 232 oper->_components.reset();
duke@435 233 while ((comp = oper->_components.iter()) != NULL) {
duke@435 234 if (!strcmp(comp->base_type(globals), "ConI")) {
duke@435 235 fprintf(fp," jint _c%d;\n", i);
duke@435 236 i++;
duke@435 237 }
duke@435 238 else if (!strcmp(comp->base_type(globals), "ConP")) {
duke@435 239 fprintf(fp," const TypePtr *_c%d;\n", i);
duke@435 240 i++;
duke@435 241 }
coleenp@548 242 else if (!strcmp(comp->base_type(globals), "ConN")) {
coleenp@548 243 fprintf(fp," const TypePtr *_c%d;\n", i);
coleenp@548 244 i++;
coleenp@548 245 }
duke@435 246 else if (!strcmp(comp->base_type(globals), "ConL")) {
duke@435 247 fprintf(fp," jlong _c%d;\n", i);
duke@435 248 i++;
duke@435 249 }
duke@435 250 else if (!strcmp(comp->base_type(globals), "ConF")) {
duke@435 251 fprintf(fp," jfloat _c%d;\n", i);
duke@435 252 i++;
duke@435 253 }
duke@435 254 else if (!strcmp(comp->base_type(globals), "ConD")) {
duke@435 255 fprintf(fp," jdouble _c%d;\n", i);
duke@435 256 i++;
duke@435 257 }
duke@435 258 }
duke@435 259 }
duke@435 260 }
duke@435 261
duke@435 262 // Declare constructor.
duke@435 263 // Parameters start with condition code, then all other constants
duke@435 264 //
duke@435 265 // (0) public:
duke@435 266 // (1) MachXOper(int32 ccode, int32 c0, int32 c1, ..., int32 cn)
duke@435 267 // (2) : _ccode(ccode), _c0(c0), _c1(c1), ..., _cn(cn) { }
duke@435 268 //
duke@435 269 static void defineConstructor(FILE *fp, const char *name, uint num_consts,
duke@435 270 ComponentList &lst, bool is_ideal_bool,
duke@435 271 Form::DataType constant_type, FormDict &globals) {
duke@435 272 fprintf(fp,"public:\n");
duke@435 273 // generate line (1)
duke@435 274 fprintf(fp," %sOper(", name);
duke@435 275 if( num_consts == 0 ) {
duke@435 276 fprintf(fp,") {}\n");
duke@435 277 return;
duke@435 278 }
duke@435 279
duke@435 280 // generate parameters for constants
duke@435 281 uint i = 0;
duke@435 282 Component *comp;
duke@435 283 lst.reset();
duke@435 284 if ((comp = lst.iter()) == NULL) {
duke@435 285 assert(num_consts == 1, "Bad component list detected.\n");
duke@435 286 switch( constant_type ) {
duke@435 287 case Form::idealI : {
duke@435 288 fprintf(fp,is_ideal_bool ? "BoolTest::mask c%d" : "int32 c%d", i);
duke@435 289 break;
duke@435 290 }
coleenp@548 291 case Form::idealN : { fprintf(fp,"const TypeNarrowOop *c%d", i); break; }
duke@435 292 case Form::idealP : { fprintf(fp,"const TypePtr *c%d", i); break; }
duke@435 293 case Form::idealL : { fprintf(fp,"jlong c%d", i); break; }
duke@435 294 case Form::idealF : { fprintf(fp,"jfloat c%d", i); break; }
duke@435 295 case Form::idealD : { fprintf(fp,"jdouble c%d", i); break; }
duke@435 296 default:
duke@435 297 assert(!is_ideal_bool, "Non-constant operand lacks component list.");
duke@435 298 break;
duke@435 299 }
duke@435 300 } // end if NULL
duke@435 301 else {
duke@435 302 lst.reset();
duke@435 303 while((comp = lst.iter()) != NULL) {
duke@435 304 if (!strcmp(comp->base_type(globals), "ConI")) {
duke@435 305 if (i > 0) fprintf(fp,", ");
duke@435 306 fprintf(fp,"int32 c%d", i);
duke@435 307 i++;
duke@435 308 }
duke@435 309 else if (!strcmp(comp->base_type(globals), "ConP")) {
duke@435 310 if (i > 0) fprintf(fp,", ");
duke@435 311 fprintf(fp,"const TypePtr *c%d", i);
duke@435 312 i++;
duke@435 313 }
coleenp@548 314 else if (!strcmp(comp->base_type(globals), "ConN")) {
coleenp@548 315 if (i > 0) fprintf(fp,", ");
coleenp@548 316 fprintf(fp,"const TypePtr *c%d", i);
coleenp@548 317 i++;
coleenp@548 318 }
duke@435 319 else if (!strcmp(comp->base_type(globals), "ConL")) {
duke@435 320 if (i > 0) fprintf(fp,", ");
duke@435 321 fprintf(fp,"jlong c%d", i);
duke@435 322 i++;
duke@435 323 }
duke@435 324 else if (!strcmp(comp->base_type(globals), "ConF")) {
duke@435 325 if (i > 0) fprintf(fp,", ");
duke@435 326 fprintf(fp,"jfloat c%d", i);
duke@435 327 i++;
duke@435 328 }
duke@435 329 else if (!strcmp(comp->base_type(globals), "ConD")) {
duke@435 330 if (i > 0) fprintf(fp,", ");
duke@435 331 fprintf(fp,"jdouble c%d", i);
duke@435 332 i++;
duke@435 333 }
duke@435 334 else if (!strcmp(comp->base_type(globals), "Bool")) {
duke@435 335 if (i > 0) fprintf(fp,", ");
duke@435 336 fprintf(fp,"BoolTest::mask c%d", i);
duke@435 337 i++;
duke@435 338 }
duke@435 339 }
duke@435 340 }
duke@435 341 // finish line (1) and start line (2)
duke@435 342 fprintf(fp,") : ");
duke@435 343 // generate initializers for constants
duke@435 344 i = 0;
duke@435 345 fprintf(fp,"_c%d(c%d)", i, i);
duke@435 346 for( i = 1; i < num_consts; ++i) {
duke@435 347 fprintf(fp,", _c%d(c%d)", i, i);
duke@435 348 }
duke@435 349 // The body for the constructor is empty
duke@435 350 fprintf(fp," {}\n");
duke@435 351 }
duke@435 352
duke@435 353 // ---------------------------------------------------------------------------
duke@435 354 // Utilities to generate format rules for machine operands and instructions
duke@435 355 // ---------------------------------------------------------------------------
duke@435 356
duke@435 357 // Generate the format rule for condition codes
duke@435 358 static void defineCCodeDump(FILE *fp, int i) {
duke@435 359 fprintf(fp, " if( _c%d == BoolTest::eq ) st->print(\"eq\");\n",i);
duke@435 360 fprintf(fp, " else if( _c%d == BoolTest::ne ) st->print(\"ne\");\n",i);
duke@435 361 fprintf(fp, " else if( _c%d == BoolTest::le ) st->print(\"le\");\n",i);
duke@435 362 fprintf(fp, " else if( _c%d == BoolTest::ge ) st->print(\"ge\");\n",i);
duke@435 363 fprintf(fp, " else if( _c%d == BoolTest::lt ) st->print(\"lt\");\n",i);
duke@435 364 fprintf(fp, " else if( _c%d == BoolTest::gt ) st->print(\"gt\");\n",i);
duke@435 365 }
duke@435 366
duke@435 367 // Output code that dumps constant values, increment "i" if type is constant
duke@435 368 static uint dump_spec_constant(FILE *fp, const char *ideal_type, uint i) {
duke@435 369 if (!strcmp(ideal_type, "ConI")) {
duke@435 370 fprintf(fp," st->print(\"#%%d\", _c%d);\n", i);
duke@435 371 ++i;
duke@435 372 }
duke@435 373 else if (!strcmp(ideal_type, "ConP")) {
duke@435 374 fprintf(fp," _c%d->dump_on(st);\n", i);
duke@435 375 ++i;
duke@435 376 }
coleenp@548 377 else if (!strcmp(ideal_type, "ConN")) {
coleenp@548 378 fprintf(fp," _c%d->dump();\n", i);
coleenp@548 379 ++i;
coleenp@548 380 }
duke@435 381 else if (!strcmp(ideal_type, "ConL")) {
duke@435 382 fprintf(fp," st->print(\"#\" INT64_FORMAT, _c%d);\n", i);
duke@435 383 ++i;
duke@435 384 }
duke@435 385 else if (!strcmp(ideal_type, "ConF")) {
duke@435 386 fprintf(fp," st->print(\"#%%f\", _c%d);\n", i);
duke@435 387 ++i;
duke@435 388 }
duke@435 389 else if (!strcmp(ideal_type, "ConD")) {
duke@435 390 fprintf(fp," st->print(\"#%%f\", _c%d);\n", i);
duke@435 391 ++i;
duke@435 392 }
duke@435 393 else if (!strcmp(ideal_type, "Bool")) {
duke@435 394 defineCCodeDump(fp,i);
duke@435 395 ++i;
duke@435 396 }
duke@435 397
duke@435 398 return i;
duke@435 399 }
duke@435 400
duke@435 401 // Generate the format rule for an operand
duke@435 402 void gen_oper_format(FILE *fp, FormDict &globals, OperandForm &oper, bool for_c_file = false) {
duke@435 403 if (!for_c_file) {
duke@435 404 // invoked after output #ifndef PRODUCT to ad_<arch>.hpp
duke@435 405 // compile the bodies separately, to cut down on recompilations
duke@435 406 fprintf(fp," virtual void int_format(PhaseRegAlloc *ra, const MachNode *node, outputStream *st) const;\n");
duke@435 407 fprintf(fp," virtual void ext_format(PhaseRegAlloc *ra, const MachNode *node, int idx, outputStream *st) const;\n");
duke@435 408 return;
duke@435 409 }
duke@435 410
duke@435 411 // Local pointer indicates remaining part of format rule
duke@435 412 uint idx = 0; // position of operand in match rule
duke@435 413
duke@435 414 // Generate internal format function, used when stored locally
duke@435 415 fprintf(fp, "\n#ifndef PRODUCT\n");
duke@435 416 fprintf(fp,"void %sOper::int_format(PhaseRegAlloc *ra, const MachNode *node, outputStream *st) const {\n", oper._ident);
duke@435 417 // Generate the user-defined portion of the format
duke@435 418 if (oper._format) {
duke@435 419 if ( oper._format->_strings.count() != 0 ) {
duke@435 420 // No initialization code for int_format
duke@435 421
duke@435 422 // Build the format from the entries in strings and rep_vars
duke@435 423 const char *string = NULL;
duke@435 424 oper._format->_rep_vars.reset();
duke@435 425 oper._format->_strings.reset();
duke@435 426 while ( (string = oper._format->_strings.iter()) != NULL ) {
duke@435 427 fprintf(fp," ");
duke@435 428
duke@435 429 // Check if this is a standard string or a replacement variable
duke@435 430 if ( string != NameList::_signal ) {
duke@435 431 // Normal string
duke@435 432 // Pass through to st->print
duke@435 433 fprintf(fp,"st->print(\"%s\");\n", string);
duke@435 434 } else {
duke@435 435 // Replacement variable
duke@435 436 const char *rep_var = oper._format->_rep_vars.iter();
duke@435 437 // Check that it is a local name, and an operand
coleenp@548 438 const Form* form = oper._localNames[rep_var];
coleenp@548 439 if (form == NULL) {
coleenp@548 440 globalAD->syntax_err(oper._linenum,
coleenp@548 441 "\'%s\' not found in format for %s\n", rep_var, oper._ident);
coleenp@548 442 assert(form, "replacement variable was not found in local names");
coleenp@548 443 }
coleenp@548 444 OperandForm *op = form->is_operand();
duke@435 445 // Get index if register or constant
duke@435 446 if ( op->_matrule && op->_matrule->is_base_register(globals) ) {
duke@435 447 idx = oper.register_position( globals, rep_var);
duke@435 448 }
duke@435 449 else if (op->_matrule && op->_matrule->is_base_constant(globals)) {
duke@435 450 idx = oper.constant_position( globals, rep_var);
duke@435 451 } else {
duke@435 452 idx = 0;
duke@435 453 }
duke@435 454
duke@435 455 // output invocation of "$..."s format function
duke@435 456 if ( op != NULL ) op->int_format(fp, globals, idx);
duke@435 457
duke@435 458 if ( idx == -1 ) {
duke@435 459 fprintf(stderr,
duke@435 460 "Using a name, %s, that isn't in match rule\n", rep_var);
duke@435 461 assert( strcmp(op->_ident,"label")==0, "Unimplemented");
duke@435 462 }
duke@435 463 } // Done with a replacement variable
duke@435 464 } // Done with all format strings
duke@435 465 } else {
duke@435 466 // Default formats for base operands (RegI, RegP, ConI, ConP, ...)
duke@435 467 oper.int_format(fp, globals, 0);
duke@435 468 }
duke@435 469
duke@435 470 } else { // oper._format == NULL
duke@435 471 // Provide a few special case formats where the AD writer cannot.
duke@435 472 if ( strcmp(oper._ident,"Universe")==0 ) {
duke@435 473 fprintf(fp, " st->print(\"$$univ\");\n");
duke@435 474 }
duke@435 475 // labelOper::int_format is defined in ad_<...>.cpp
duke@435 476 }
duke@435 477 // ALWAYS! Provide a special case output for condition codes.
duke@435 478 if( oper.is_ideal_bool() ) {
duke@435 479 defineCCodeDump(fp,0);
duke@435 480 }
duke@435 481 fprintf(fp,"}\n");
duke@435 482
duke@435 483 // Generate external format function, when data is stored externally
duke@435 484 fprintf(fp,"void %sOper::ext_format(PhaseRegAlloc *ra, const MachNode *node, int idx, outputStream *st) const {\n", oper._ident);
duke@435 485 // Generate the user-defined portion of the format
duke@435 486 if (oper._format) {
duke@435 487 if ( oper._format->_strings.count() != 0 ) {
duke@435 488
duke@435 489 // Check for a replacement string "$..."
duke@435 490 if ( oper._format->_rep_vars.count() != 0 ) {
duke@435 491 // Initialization code for ext_format
duke@435 492 }
duke@435 493
duke@435 494 // Build the format from the entries in strings and rep_vars
duke@435 495 const char *string = NULL;
duke@435 496 oper._format->_rep_vars.reset();
duke@435 497 oper._format->_strings.reset();
duke@435 498 while ( (string = oper._format->_strings.iter()) != NULL ) {
duke@435 499 fprintf(fp," ");
duke@435 500
duke@435 501 // Check if this is a standard string or a replacement variable
duke@435 502 if ( string != NameList::_signal ) {
duke@435 503 // Normal string
duke@435 504 // Pass through to st->print
duke@435 505 fprintf(fp,"st->print(\"%s\");\n", string);
duke@435 506 } else {
duke@435 507 // Replacement variable
duke@435 508 const char *rep_var = oper._format->_rep_vars.iter();
coleenp@548 509 // Check that it is a local name, and an operand
coleenp@548 510 const Form* form = oper._localNames[rep_var];
coleenp@548 511 if (form == NULL) {
coleenp@548 512 globalAD->syntax_err(oper._linenum,
coleenp@548 513 "\'%s\' not found in format for %s\n", rep_var, oper._ident);
coleenp@548 514 assert(form, "replacement variable was not found in local names");
coleenp@548 515 }
coleenp@548 516 OperandForm *op = form->is_operand();
duke@435 517 // Get index if register or constant
duke@435 518 if ( op->_matrule && op->_matrule->is_base_register(globals) ) {
duke@435 519 idx = oper.register_position( globals, rep_var);
duke@435 520 }
duke@435 521 else if (op->_matrule && op->_matrule->is_base_constant(globals)) {
duke@435 522 idx = oper.constant_position( globals, rep_var);
duke@435 523 } else {
duke@435 524 idx = 0;
duke@435 525 }
duke@435 526 // output invocation of "$..."s format function
duke@435 527 if ( op != NULL ) op->ext_format(fp, globals, idx);
duke@435 528
duke@435 529 // Lookup the index position of the replacement variable
duke@435 530 idx = oper._components.operand_position_format(rep_var);
duke@435 531 if ( idx == -1 ) {
duke@435 532 fprintf(stderr,
duke@435 533 "Using a name, %s, that isn't in match rule\n", rep_var);
duke@435 534 assert( strcmp(op->_ident,"label")==0, "Unimplemented");
duke@435 535 }
duke@435 536 } // Done with a replacement variable
duke@435 537 } // Done with all format strings
duke@435 538
duke@435 539 } else {
duke@435 540 // Default formats for base operands (RegI, RegP, ConI, ConP, ...)
duke@435 541 oper.ext_format(fp, globals, 0);
duke@435 542 }
duke@435 543 } else { // oper._format == NULL
duke@435 544 // Provide a few special case formats where the AD writer cannot.
duke@435 545 if ( strcmp(oper._ident,"Universe")==0 ) {
duke@435 546 fprintf(fp, " st->print(\"$$univ\");\n");
duke@435 547 }
duke@435 548 // labelOper::ext_format is defined in ad_<...>.cpp
duke@435 549 }
duke@435 550 // ALWAYS! Provide a special case output for condition codes.
duke@435 551 if( oper.is_ideal_bool() ) {
duke@435 552 defineCCodeDump(fp,0);
duke@435 553 }
duke@435 554 fprintf(fp, "}\n");
duke@435 555 fprintf(fp, "#endif\n");
duke@435 556 }
duke@435 557
duke@435 558
duke@435 559 // Generate the format rule for an instruction
duke@435 560 void gen_inst_format(FILE *fp, FormDict &globals, InstructForm &inst, bool for_c_file = false) {
duke@435 561 if (!for_c_file) {
duke@435 562 // compile the bodies separately, to cut down on recompilations
duke@435 563 // #ifndef PRODUCT region generated by caller
duke@435 564 fprintf(fp," virtual void format(PhaseRegAlloc *ra, outputStream *st) const;\n");
duke@435 565 return;
duke@435 566 }
duke@435 567
duke@435 568 // Define the format function
duke@435 569 fprintf(fp, "#ifndef PRODUCT\n");
duke@435 570 fprintf(fp, "void %sNode::format(PhaseRegAlloc *ra, outputStream *st) const {\n", inst._ident);
duke@435 571
duke@435 572 // Generate the user-defined portion of the format
duke@435 573 if( inst._format ) {
duke@435 574 // If there are replacement variables,
duke@435 575 // Generate index values needed for determing the operand position
duke@435 576 if( inst._format->_rep_vars.count() )
duke@435 577 inst.index_temps(fp, globals);
duke@435 578
duke@435 579 // Build the format from the entries in strings and rep_vars
duke@435 580 const char *string = NULL;
duke@435 581 inst._format->_rep_vars.reset();
duke@435 582 inst._format->_strings.reset();
duke@435 583 while( (string = inst._format->_strings.iter()) != NULL ) {
duke@435 584 fprintf(fp," ");
duke@435 585 // Check if this is a standard string or a replacement variable
duke@435 586 if( string != NameList::_signal ) // Normal string. Pass through.
duke@435 587 fprintf(fp,"st->print(\"%s\");\n", string);
duke@435 588 else // Replacement variable
duke@435 589 inst.rep_var_format( fp, inst._format->_rep_vars.iter() );
duke@435 590 } // Done with all format strings
duke@435 591 } // Done generating the user-defined portion of the format
duke@435 592
duke@435 593 // Add call debug info automatically
duke@435 594 Form::CallType call_type = inst.is_ideal_call();
duke@435 595 if( call_type != Form::invalid_type ) {
duke@435 596 switch( call_type ) {
duke@435 597 case Form::JAVA_DYNAMIC:
duke@435 598 fprintf(fp," _method->print_short_name();\n");
duke@435 599 break;
duke@435 600 case Form::JAVA_STATIC:
duke@435 601 fprintf(fp," if( _method ) _method->print_short_name(st); else st->print(\" wrapper for: %%s\", _name);\n");
duke@435 602 fprintf(fp," if( !_method ) dump_trap_args(st);\n");
duke@435 603 break;
duke@435 604 case Form::JAVA_COMPILED:
duke@435 605 case Form::JAVA_INTERP:
duke@435 606 break;
duke@435 607 case Form::JAVA_RUNTIME:
duke@435 608 case Form::JAVA_LEAF:
duke@435 609 case Form::JAVA_NATIVE:
duke@435 610 fprintf(fp," st->print(\" %%s\", _name);");
duke@435 611 break;
duke@435 612 default:
duke@435 613 assert(0,"ShouldNotReacHere");
duke@435 614 }
duke@435 615 fprintf(fp, " st->print_cr(\"\");\n" );
duke@435 616 fprintf(fp, " if (_jvms) _jvms->format(ra, this, st); else st->print_cr(\" No JVM State Info\");\n" );
duke@435 617 fprintf(fp, " st->print(\" # \");\n" );
duke@435 618 fprintf(fp, " if( _jvms ) _oop_map->print_on(st);\n");
duke@435 619 }
duke@435 620 else if(inst.is_ideal_safepoint()) {
duke@435 621 fprintf(fp, " st->print(\"\");\n" );
duke@435 622 fprintf(fp, " if (_jvms) _jvms->format(ra, this, st); else st->print_cr(\" No JVM State Info\");\n" );
duke@435 623 fprintf(fp, " st->print(\" # \");\n" );
duke@435 624 fprintf(fp, " if( _jvms ) _oop_map->print_on(st);\n");
duke@435 625 }
duke@435 626 else if( inst.is_ideal_if() ) {
duke@435 627 fprintf(fp, " st->print(\" P=%%f C=%%f\",_prob,_fcnt);\n" );
duke@435 628 }
duke@435 629 else if( inst.is_ideal_mem() ) {
duke@435 630 // Print out the field name if available to improve readability
duke@435 631 fprintf(fp, " if (ra->C->alias_type(adr_type())->field() != NULL) {\n");
duke@435 632 fprintf(fp, " st->print(\" ! Field \");\n");
duke@435 633 fprintf(fp, " if( ra->C->alias_type(adr_type())->is_volatile() )\n");
duke@435 634 fprintf(fp, " st->print(\" Volatile\");\n");
duke@435 635 fprintf(fp, " ra->C->alias_type(adr_type())->field()->holder()->name()->print_symbol_on(st);\n");
duke@435 636 fprintf(fp, " st->print(\".\");\n");
duke@435 637 fprintf(fp, " ra->C->alias_type(adr_type())->field()->name()->print_symbol_on(st);\n");
duke@435 638 fprintf(fp, " } else\n");
duke@435 639 // Make sure 'Volatile' gets printed out
duke@435 640 fprintf(fp, " if( ra->C->alias_type(adr_type())->is_volatile() )\n");
duke@435 641 fprintf(fp, " st->print(\" Volatile!\");\n");
duke@435 642 }
duke@435 643
duke@435 644 // Complete the definition of the format function
duke@435 645 fprintf(fp, " }\n#endif\n");
duke@435 646 }
duke@435 647
duke@435 648 static bool is_non_constant(char* x) {
duke@435 649 // Tells whether the string (part of an operator interface) is non-constant.
duke@435 650 // Simply detect whether there is an occurrence of a formal parameter,
duke@435 651 // which will always begin with '$'.
duke@435 652 return strchr(x, '$') == 0;
duke@435 653 }
duke@435 654
duke@435 655 void ArchDesc::declare_pipe_classes(FILE *fp_hpp) {
duke@435 656 if (!_pipeline)
duke@435 657 return;
duke@435 658
duke@435 659 fprintf(fp_hpp, "\n");
duke@435 660 fprintf(fp_hpp, "// Pipeline_Use_Cycle_Mask Class\n");
duke@435 661 fprintf(fp_hpp, "class Pipeline_Use_Cycle_Mask {\n");
duke@435 662
duke@435 663 if (_pipeline->_maxcycleused <=
duke@435 664 #ifdef SPARC
duke@435 665 64
duke@435 666 #else
duke@435 667 32
duke@435 668 #endif
duke@435 669 ) {
duke@435 670 fprintf(fp_hpp, "protected:\n");
duke@435 671 fprintf(fp_hpp, " %s _mask;\n\n", _pipeline->_maxcycleused <= 32 ? "uint" : "uint64_t" );
duke@435 672 fprintf(fp_hpp, "public:\n");
duke@435 673 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask() : _mask(0) {}\n\n");
duke@435 674 if (_pipeline->_maxcycleused <= 32)
duke@435 675 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint mask) : _mask(mask) {}\n\n");
duke@435 676 else {
duke@435 677 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint mask1, uint mask2) : _mask((((uint64_t)mask1) << 32) | mask2) {}\n\n");
duke@435 678 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint64_t mask) : _mask(mask) {}\n\n");
duke@435 679 }
duke@435 680 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator=(const Pipeline_Use_Cycle_Mask &in) {\n");
duke@435 681 fprintf(fp_hpp, " _mask = in._mask;\n");
duke@435 682 fprintf(fp_hpp, " return *this;\n");
duke@435 683 fprintf(fp_hpp, " }\n\n");
duke@435 684 fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Cycle_Mask &in2) const {\n");
duke@435 685 fprintf(fp_hpp, " return ((_mask & in2._mask) != 0);\n");
duke@435 686 fprintf(fp_hpp, " }\n\n");
duke@435 687 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator<<=(int n) {\n");
duke@435 688 fprintf(fp_hpp, " _mask <<= n;\n");
duke@435 689 fprintf(fp_hpp, " return *this;\n");
duke@435 690 fprintf(fp_hpp, " }\n\n");
duke@435 691 fprintf(fp_hpp, " void Or(const Pipeline_Use_Cycle_Mask &in2) {\n");
duke@435 692 fprintf(fp_hpp, " _mask |= in2._mask;\n");
duke@435 693 fprintf(fp_hpp, " }\n\n");
duke@435 694 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator&(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n");
duke@435 695 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator|(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n\n");
duke@435 696 }
duke@435 697 else {
duke@435 698 fprintf(fp_hpp, "protected:\n");
duke@435 699 uint masklen = (_pipeline->_maxcycleused + 31) >> 5;
duke@435 700 uint l;
duke@435 701 fprintf(fp_hpp, " uint ");
duke@435 702 for (l = 1; l <= masklen; l++)
duke@435 703 fprintf(fp_hpp, "_mask%d%s", l, l < masklen ? ", " : ";\n\n");
duke@435 704 fprintf(fp_hpp, "public:\n");
duke@435 705 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask() : ");
duke@435 706 for (l = 1; l <= masklen; l++)
duke@435 707 fprintf(fp_hpp, "_mask%d(0)%s", l, l < masklen ? ", " : " {}\n\n");
duke@435 708 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(");
duke@435 709 for (l = 1; l <= masklen; l++)
duke@435 710 fprintf(fp_hpp, "uint mask%d%s", l, l < masklen ? ", " : ") : ");
duke@435 711 for (l = 1; l <= masklen; l++)
duke@435 712 fprintf(fp_hpp, "_mask%d(mask%d)%s", l, l, l < masklen ? ", " : " {}\n\n");
duke@435 713
duke@435 714 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator=(const Pipeline_Use_Cycle_Mask &in) {\n");
duke@435 715 for (l = 1; l <= masklen; l++)
duke@435 716 fprintf(fp_hpp, " _mask%d = in._mask%d;\n", l, l);
duke@435 717 fprintf(fp_hpp, " return *this;\n");
duke@435 718 fprintf(fp_hpp, " }\n\n");
duke@435 719 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask intersect(const Pipeline_Use_Cycle_Mask &in2) {\n");
duke@435 720 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask out;\n");
duke@435 721 for (l = 1; l <= masklen; l++)
duke@435 722 fprintf(fp_hpp, " out._mask%d = _mask%d & in2._mask%d;\n", l, l, l);
duke@435 723 fprintf(fp_hpp, " return out;\n");
duke@435 724 fprintf(fp_hpp, " }\n\n");
duke@435 725 fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Cycle_Mask &in2) const {\n");
duke@435 726 fprintf(fp_hpp, " return (");
duke@435 727 for (l = 1; l <= masklen; l++)
duke@435 728 fprintf(fp_hpp, "((_mask%d & in2._mask%d) != 0)%s", l, l, l < masklen ? " || " : "");
duke@435 729 fprintf(fp_hpp, ") ? true : false;\n");
duke@435 730 fprintf(fp_hpp, " }\n\n");
duke@435 731 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator<<=(int n) {\n");
duke@435 732 fprintf(fp_hpp, " if (n >= 32)\n");
duke@435 733 fprintf(fp_hpp, " do {\n ");
duke@435 734 for (l = masklen; l > 1; l--)
duke@435 735 fprintf(fp_hpp, " _mask%d = _mask%d;", l, l-1);
duke@435 736 fprintf(fp_hpp, " _mask%d = 0;\n", 1);
duke@435 737 fprintf(fp_hpp, " } while ((n -= 32) >= 32);\n\n");
duke@435 738 fprintf(fp_hpp, " if (n > 0) {\n");
duke@435 739 fprintf(fp_hpp, " uint m = 32 - n;\n");
duke@435 740 fprintf(fp_hpp, " uint mask = (1 << n) - 1;\n");
duke@435 741 fprintf(fp_hpp, " uint temp%d = mask & (_mask%d >> m); _mask%d <<= n;\n", 2, 1, 1);
duke@435 742 for (l = 2; l < masklen; l++) {
duke@435 743 fprintf(fp_hpp, " uint temp%d = mask & (_mask%d >> m); _mask%d <<= n; _mask%d |= temp%d;\n", l+1, l, l, l, l);
duke@435 744 }
duke@435 745 fprintf(fp_hpp, " _mask%d <<= n; _mask%d |= temp%d;\n", masklen, masklen, masklen);
duke@435 746 fprintf(fp_hpp, " }\n");
duke@435 747
duke@435 748 fprintf(fp_hpp, " return *this;\n");
duke@435 749 fprintf(fp_hpp, " }\n\n");
duke@435 750 fprintf(fp_hpp, " void Or(const Pipeline_Use_Cycle_Mask &);\n\n");
duke@435 751 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator&(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n");
duke@435 752 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator|(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n\n");
duke@435 753 }
duke@435 754
duke@435 755 fprintf(fp_hpp, " friend class Pipeline_Use;\n\n");
duke@435 756 fprintf(fp_hpp, " friend class Pipeline_Use_Element;\n\n");
duke@435 757 fprintf(fp_hpp, "};\n\n");
duke@435 758
duke@435 759 uint rescount = 0;
duke@435 760 const char *resource;
duke@435 761
duke@435 762 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
duke@435 763 int mask = _pipeline->_resdict[resource]->is_resource()->mask();
duke@435 764 if ((mask & (mask-1)) == 0)
duke@435 765 rescount++;
duke@435 766 }
duke@435 767
duke@435 768 fprintf(fp_hpp, "// Pipeline_Use_Element Class\n");
duke@435 769 fprintf(fp_hpp, "class Pipeline_Use_Element {\n");
duke@435 770 fprintf(fp_hpp, "protected:\n");
duke@435 771 fprintf(fp_hpp, " // Mask of used functional units\n");
duke@435 772 fprintf(fp_hpp, " uint _used;\n\n");
duke@435 773 fprintf(fp_hpp, " // Lower and upper bound of functional unit number range\n");
duke@435 774 fprintf(fp_hpp, " uint _lb, _ub;\n\n");
duke@435 775 fprintf(fp_hpp, " // Indicates multiple functionals units available\n");
duke@435 776 fprintf(fp_hpp, " bool _multiple;\n\n");
duke@435 777 fprintf(fp_hpp, " // Mask of specific used cycles\n");
duke@435 778 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask _mask;\n\n");
duke@435 779 fprintf(fp_hpp, "public:\n");
duke@435 780 fprintf(fp_hpp, " Pipeline_Use_Element() {}\n\n");
duke@435 781 fprintf(fp_hpp, " Pipeline_Use_Element(uint used, uint lb, uint ub, bool multiple, Pipeline_Use_Cycle_Mask mask)\n");
duke@435 782 fprintf(fp_hpp, " : _used(used), _lb(lb), _ub(ub), _multiple(multiple), _mask(mask) {}\n\n");
duke@435 783 fprintf(fp_hpp, " uint used() const { return _used; }\n\n");
duke@435 784 fprintf(fp_hpp, " uint lowerBound() const { return _lb; }\n\n");
duke@435 785 fprintf(fp_hpp, " uint upperBound() const { return _ub; }\n\n");
duke@435 786 fprintf(fp_hpp, " bool multiple() const { return _multiple; }\n\n");
duke@435 787 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask mask() const { return _mask; }\n\n");
duke@435 788 fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Element &in2) const {\n");
duke@435 789 fprintf(fp_hpp, " return ((_used & in2._used) != 0 && _mask.overlaps(in2._mask));\n");
duke@435 790 fprintf(fp_hpp, " }\n\n");
duke@435 791 fprintf(fp_hpp, " void step(uint cycles) {\n");
duke@435 792 fprintf(fp_hpp, " _used = 0;\n");
duke@435 793 fprintf(fp_hpp, " _mask <<= cycles;\n");
duke@435 794 fprintf(fp_hpp, " }\n\n");
duke@435 795 fprintf(fp_hpp, " friend class Pipeline_Use;\n");
duke@435 796 fprintf(fp_hpp, "};\n\n");
duke@435 797
duke@435 798 fprintf(fp_hpp, "// Pipeline_Use Class\n");
duke@435 799 fprintf(fp_hpp, "class Pipeline_Use {\n");
duke@435 800 fprintf(fp_hpp, "protected:\n");
duke@435 801 fprintf(fp_hpp, " // These resources can be used\n");
duke@435 802 fprintf(fp_hpp, " uint _resources_used;\n\n");
duke@435 803 fprintf(fp_hpp, " // These resources are used; excludes multiple choice functional units\n");
duke@435 804 fprintf(fp_hpp, " uint _resources_used_exclusively;\n\n");
duke@435 805 fprintf(fp_hpp, " // Number of elements\n");
duke@435 806 fprintf(fp_hpp, " uint _count;\n\n");
duke@435 807 fprintf(fp_hpp, " // This is the array of Pipeline_Use_Elements\n");
duke@435 808 fprintf(fp_hpp, " Pipeline_Use_Element * _elements;\n\n");
duke@435 809 fprintf(fp_hpp, "public:\n");
duke@435 810 fprintf(fp_hpp, " Pipeline_Use(uint resources_used, uint resources_used_exclusively, uint count, Pipeline_Use_Element *elements)\n");
duke@435 811 fprintf(fp_hpp, " : _resources_used(resources_used)\n");
duke@435 812 fprintf(fp_hpp, " , _resources_used_exclusively(resources_used_exclusively)\n");
duke@435 813 fprintf(fp_hpp, " , _count(count)\n");
duke@435 814 fprintf(fp_hpp, " , _elements(elements)\n");
duke@435 815 fprintf(fp_hpp, " {}\n\n");
duke@435 816 fprintf(fp_hpp, " uint resourcesUsed() const { return _resources_used; }\n\n");
duke@435 817 fprintf(fp_hpp, " uint resourcesUsedExclusively() const { return _resources_used_exclusively; }\n\n");
duke@435 818 fprintf(fp_hpp, " uint count() const { return _count; }\n\n");
duke@435 819 fprintf(fp_hpp, " Pipeline_Use_Element * element(uint i) const { return &_elements[i]; }\n\n");
duke@435 820 fprintf(fp_hpp, " uint full_latency(uint delay, const Pipeline_Use &pred) const;\n\n");
duke@435 821 fprintf(fp_hpp, " void add_usage(const Pipeline_Use &pred);\n\n");
duke@435 822 fprintf(fp_hpp, " void reset() {\n");
duke@435 823 fprintf(fp_hpp, " _resources_used = _resources_used_exclusively = 0;\n");
duke@435 824 fprintf(fp_hpp, " };\n\n");
duke@435 825 fprintf(fp_hpp, " void step(uint cycles) {\n");
duke@435 826 fprintf(fp_hpp, " reset();\n");
duke@435 827 fprintf(fp_hpp, " for (uint i = 0; i < %d; i++)\n",
duke@435 828 rescount);
duke@435 829 fprintf(fp_hpp, " (&_elements[i])->step(cycles);\n");
duke@435 830 fprintf(fp_hpp, " };\n\n");
duke@435 831 fprintf(fp_hpp, " static const Pipeline_Use elaborated_use;\n");
duke@435 832 fprintf(fp_hpp, " static const Pipeline_Use_Element elaborated_elements[%d];\n\n",
duke@435 833 rescount);
duke@435 834 fprintf(fp_hpp, " friend class Pipeline;\n");
duke@435 835 fprintf(fp_hpp, "};\n\n");
duke@435 836
duke@435 837 fprintf(fp_hpp, "// Pipeline Class\n");
duke@435 838 fprintf(fp_hpp, "class Pipeline {\n");
duke@435 839 fprintf(fp_hpp, "public:\n");
duke@435 840
duke@435 841 fprintf(fp_hpp, " static bool enabled() { return %s; }\n\n",
duke@435 842 _pipeline ? "true" : "false" );
duke@435 843
duke@435 844 assert( _pipeline->_maxInstrsPerBundle &&
duke@435 845 ( _pipeline->_instrUnitSize || _pipeline->_bundleUnitSize) &&
duke@435 846 _pipeline->_instrFetchUnitSize &&
duke@435 847 _pipeline->_instrFetchUnits,
duke@435 848 "unspecified pipeline architecture units");
duke@435 849
duke@435 850 uint unitSize = _pipeline->_instrUnitSize ? _pipeline->_instrUnitSize : _pipeline->_bundleUnitSize;
duke@435 851
duke@435 852 fprintf(fp_hpp, " enum {\n");
duke@435 853 fprintf(fp_hpp, " _variable_size_instructions = %d,\n",
duke@435 854 _pipeline->_variableSizeInstrs ? 1 : 0);
duke@435 855 fprintf(fp_hpp, " _fixed_size_instructions = %d,\n",
duke@435 856 _pipeline->_variableSizeInstrs ? 0 : 1);
duke@435 857 fprintf(fp_hpp, " _branch_has_delay_slot = %d,\n",
duke@435 858 _pipeline->_branchHasDelaySlot ? 1 : 0);
duke@435 859 fprintf(fp_hpp, " _max_instrs_per_bundle = %d,\n",
duke@435 860 _pipeline->_maxInstrsPerBundle);
duke@435 861 fprintf(fp_hpp, " _max_bundles_per_cycle = %d,\n",
duke@435 862 _pipeline->_maxBundlesPerCycle);
duke@435 863 fprintf(fp_hpp, " _max_instrs_per_cycle = %d\n",
duke@435 864 _pipeline->_maxBundlesPerCycle * _pipeline->_maxInstrsPerBundle);
duke@435 865 fprintf(fp_hpp, " };\n\n");
duke@435 866
duke@435 867 fprintf(fp_hpp, " static bool instr_has_unit_size() { return %s; }\n\n",
duke@435 868 _pipeline->_instrUnitSize != 0 ? "true" : "false" );
duke@435 869 if( _pipeline->_bundleUnitSize != 0 )
duke@435 870 if( _pipeline->_instrUnitSize != 0 )
duke@435 871 fprintf(fp_hpp, "// Individual Instructions may be bundled together by the hardware\n\n");
duke@435 872 else
duke@435 873 fprintf(fp_hpp, "// Instructions exist only in bundles\n\n");
duke@435 874 else
duke@435 875 fprintf(fp_hpp, "// Bundling is not supported\n\n");
duke@435 876 if( _pipeline->_instrUnitSize != 0 )
duke@435 877 fprintf(fp_hpp, " // Size of an instruction\n");
duke@435 878 else
duke@435 879 fprintf(fp_hpp, " // Size of an individual instruction does not exist - unsupported\n");
duke@435 880 fprintf(fp_hpp, " static uint instr_unit_size() {");
duke@435 881 if( _pipeline->_instrUnitSize == 0 )
duke@435 882 fprintf(fp_hpp, " assert( false, \"Instructions are only in bundles\" );");
duke@435 883 fprintf(fp_hpp, " return %d; };\n\n", _pipeline->_instrUnitSize);
duke@435 884
duke@435 885 if( _pipeline->_bundleUnitSize != 0 )
duke@435 886 fprintf(fp_hpp, " // Size of a bundle\n");
duke@435 887 else
duke@435 888 fprintf(fp_hpp, " // Bundles do not exist - unsupported\n");
duke@435 889 fprintf(fp_hpp, " static uint bundle_unit_size() {");
duke@435 890 if( _pipeline->_bundleUnitSize == 0 )
duke@435 891 fprintf(fp_hpp, " assert( false, \"Bundles are not supported\" );");
duke@435 892 fprintf(fp_hpp, " return %d; };\n\n", _pipeline->_bundleUnitSize);
duke@435 893
duke@435 894 fprintf(fp_hpp, " static bool requires_bundling() { return %s; }\n\n",
duke@435 895 _pipeline->_bundleUnitSize != 0 && _pipeline->_instrUnitSize == 0 ? "true" : "false" );
duke@435 896
duke@435 897 fprintf(fp_hpp, "private:\n");
duke@435 898 fprintf(fp_hpp, " Pipeline(); // Not a legal constructor\n");
duke@435 899 fprintf(fp_hpp, "\n");
duke@435 900 fprintf(fp_hpp, " const unsigned char _read_stage_count;\n");
duke@435 901 fprintf(fp_hpp, " const unsigned char _write_stage;\n");
duke@435 902 fprintf(fp_hpp, " const unsigned char _fixed_latency;\n");
duke@435 903 fprintf(fp_hpp, " const unsigned char _instruction_count;\n");
duke@435 904 fprintf(fp_hpp, " const bool _has_fixed_latency;\n");
duke@435 905 fprintf(fp_hpp, " const bool _has_branch_delay;\n");
duke@435 906 fprintf(fp_hpp, " const bool _has_multiple_bundles;\n");
duke@435 907 fprintf(fp_hpp, " const bool _force_serialization;\n");
duke@435 908 fprintf(fp_hpp, " const bool _may_have_no_code;\n");
duke@435 909 fprintf(fp_hpp, " const enum machPipelineStages * const _read_stages;\n");
duke@435 910 fprintf(fp_hpp, " const enum machPipelineStages * const _resource_stage;\n");
duke@435 911 fprintf(fp_hpp, " const uint * const _resource_cycles;\n");
duke@435 912 fprintf(fp_hpp, " const Pipeline_Use _resource_use;\n");
duke@435 913 fprintf(fp_hpp, "\n");
duke@435 914 fprintf(fp_hpp, "public:\n");
duke@435 915 fprintf(fp_hpp, " Pipeline(uint write_stage,\n");
duke@435 916 fprintf(fp_hpp, " uint count,\n");
duke@435 917 fprintf(fp_hpp, " bool has_fixed_latency,\n");
duke@435 918 fprintf(fp_hpp, " uint fixed_latency,\n");
duke@435 919 fprintf(fp_hpp, " uint instruction_count,\n");
duke@435 920 fprintf(fp_hpp, " bool has_branch_delay,\n");
duke@435 921 fprintf(fp_hpp, " bool has_multiple_bundles,\n");
duke@435 922 fprintf(fp_hpp, " bool force_serialization,\n");
duke@435 923 fprintf(fp_hpp, " bool may_have_no_code,\n");
duke@435 924 fprintf(fp_hpp, " enum machPipelineStages * const dst,\n");
duke@435 925 fprintf(fp_hpp, " enum machPipelineStages * const stage,\n");
duke@435 926 fprintf(fp_hpp, " uint * const cycles,\n");
duke@435 927 fprintf(fp_hpp, " Pipeline_Use resource_use)\n");
duke@435 928 fprintf(fp_hpp, " : _write_stage(write_stage)\n");
duke@435 929 fprintf(fp_hpp, " , _read_stage_count(count)\n");
duke@435 930 fprintf(fp_hpp, " , _has_fixed_latency(has_fixed_latency)\n");
duke@435 931 fprintf(fp_hpp, " , _fixed_latency(fixed_latency)\n");
duke@435 932 fprintf(fp_hpp, " , _read_stages(dst)\n");
duke@435 933 fprintf(fp_hpp, " , _resource_stage(stage)\n");
duke@435 934 fprintf(fp_hpp, " , _resource_cycles(cycles)\n");
duke@435 935 fprintf(fp_hpp, " , _resource_use(resource_use)\n");
duke@435 936 fprintf(fp_hpp, " , _instruction_count(instruction_count)\n");
duke@435 937 fprintf(fp_hpp, " , _has_branch_delay(has_branch_delay)\n");
duke@435 938 fprintf(fp_hpp, " , _has_multiple_bundles(has_multiple_bundles)\n");
duke@435 939 fprintf(fp_hpp, " , _force_serialization(force_serialization)\n");
duke@435 940 fprintf(fp_hpp, " , _may_have_no_code(may_have_no_code)\n");
duke@435 941 fprintf(fp_hpp, " {};\n");
duke@435 942 fprintf(fp_hpp, "\n");
duke@435 943 fprintf(fp_hpp, " uint writeStage() const {\n");
duke@435 944 fprintf(fp_hpp, " return (_write_stage);\n");
duke@435 945 fprintf(fp_hpp, " }\n");
duke@435 946 fprintf(fp_hpp, "\n");
duke@435 947 fprintf(fp_hpp, " enum machPipelineStages readStage(int ndx) const {\n");
duke@435 948 fprintf(fp_hpp, " return (ndx < _read_stage_count ? _read_stages[ndx] : stage_undefined);");
duke@435 949 fprintf(fp_hpp, " }\n\n");
duke@435 950 fprintf(fp_hpp, " uint resourcesUsed() const {\n");
duke@435 951 fprintf(fp_hpp, " return _resource_use.resourcesUsed();\n }\n\n");
duke@435 952 fprintf(fp_hpp, " uint resourcesUsedExclusively() const {\n");
duke@435 953 fprintf(fp_hpp, " return _resource_use.resourcesUsedExclusively();\n }\n\n");
duke@435 954 fprintf(fp_hpp, " bool hasFixedLatency() const {\n");
duke@435 955 fprintf(fp_hpp, " return (_has_fixed_latency);\n }\n\n");
duke@435 956 fprintf(fp_hpp, " uint fixedLatency() const {\n");
duke@435 957 fprintf(fp_hpp, " return (_fixed_latency);\n }\n\n");
duke@435 958 fprintf(fp_hpp, " uint functional_unit_latency(uint start, const Pipeline *pred) const;\n\n");
duke@435 959 fprintf(fp_hpp, " uint operand_latency(uint opnd, const Pipeline *pred) const;\n\n");
duke@435 960 fprintf(fp_hpp, " const Pipeline_Use& resourceUse() const {\n");
duke@435 961 fprintf(fp_hpp, " return (_resource_use); }\n\n");
duke@435 962 fprintf(fp_hpp, " const Pipeline_Use_Element * resourceUseElement(uint i) const {\n");
duke@435 963 fprintf(fp_hpp, " return (&_resource_use._elements[i]); }\n\n");
duke@435 964 fprintf(fp_hpp, " uint resourceUseCount() const {\n");
duke@435 965 fprintf(fp_hpp, " return (_resource_use._count); }\n\n");
duke@435 966 fprintf(fp_hpp, " uint instructionCount() const {\n");
duke@435 967 fprintf(fp_hpp, " return (_instruction_count); }\n\n");
duke@435 968 fprintf(fp_hpp, " bool hasBranchDelay() const {\n");
duke@435 969 fprintf(fp_hpp, " return (_has_branch_delay); }\n\n");
duke@435 970 fprintf(fp_hpp, " bool hasMultipleBundles() const {\n");
duke@435 971 fprintf(fp_hpp, " return (_has_multiple_bundles); }\n\n");
duke@435 972 fprintf(fp_hpp, " bool forceSerialization() const {\n");
duke@435 973 fprintf(fp_hpp, " return (_force_serialization); }\n\n");
duke@435 974 fprintf(fp_hpp, " bool mayHaveNoCode() const {\n");
duke@435 975 fprintf(fp_hpp, " return (_may_have_no_code); }\n\n");
duke@435 976 fprintf(fp_hpp, "//const Pipeline_Use_Cycle_Mask& resourceUseMask(int resource) const {\n");
duke@435 977 fprintf(fp_hpp, "// return (_resource_use_masks[resource]); }\n\n");
duke@435 978 fprintf(fp_hpp, "\n#ifndef PRODUCT\n");
duke@435 979 fprintf(fp_hpp, " static const char * stageName(uint i);\n");
duke@435 980 fprintf(fp_hpp, "#endif\n");
duke@435 981 fprintf(fp_hpp, "};\n\n");
duke@435 982
duke@435 983 fprintf(fp_hpp, "// Bundle class\n");
duke@435 984 fprintf(fp_hpp, "class Bundle {\n");
duke@435 985
duke@435 986 uint mshift = 0;
duke@435 987 for (uint msize = _pipeline->_maxInstrsPerBundle * _pipeline->_maxBundlesPerCycle; msize != 0; msize >>= 1)
duke@435 988 mshift++;
duke@435 989
duke@435 990 uint rshift = rescount;
duke@435 991
duke@435 992 fprintf(fp_hpp, "protected:\n");
duke@435 993 fprintf(fp_hpp, " enum {\n");
duke@435 994 fprintf(fp_hpp, " _unused_delay = 0x%x,\n", 0);
duke@435 995 fprintf(fp_hpp, " _use_nop_delay = 0x%x,\n", 1);
duke@435 996 fprintf(fp_hpp, " _use_unconditional_delay = 0x%x,\n", 2);
duke@435 997 fprintf(fp_hpp, " _use_conditional_delay = 0x%x,\n", 3);
duke@435 998 fprintf(fp_hpp, " _used_in_conditional_delay = 0x%x,\n", 4);
duke@435 999 fprintf(fp_hpp, " _used_in_unconditional_delay = 0x%x,\n", 5);
duke@435 1000 fprintf(fp_hpp, " _used_in_all_conditional_delays = 0x%x,\n", 6);
duke@435 1001 fprintf(fp_hpp, "\n");
duke@435 1002 fprintf(fp_hpp, " _use_delay = 0x%x,\n", 3);
duke@435 1003 fprintf(fp_hpp, " _used_in_delay = 0x%x\n", 4);
duke@435 1004 fprintf(fp_hpp, " };\n\n");
duke@435 1005 fprintf(fp_hpp, " uint _flags : 3,\n");
duke@435 1006 fprintf(fp_hpp, " _starts_bundle : 1,\n");
duke@435 1007 fprintf(fp_hpp, " _instr_count : %d,\n", mshift);
duke@435 1008 fprintf(fp_hpp, " _resources_used : %d;\n", rshift);
duke@435 1009 fprintf(fp_hpp, "public:\n");
duke@435 1010 fprintf(fp_hpp, " Bundle() : _flags(_unused_delay), _starts_bundle(0), _instr_count(0), _resources_used(0) {}\n\n");
duke@435 1011 fprintf(fp_hpp, " void set_instr_count(uint i) { _instr_count = i; }\n");
duke@435 1012 fprintf(fp_hpp, " void set_resources_used(uint i) { _resources_used = i; }\n");
duke@435 1013 fprintf(fp_hpp, " void clear_usage() { _flags = _unused_delay; }\n");
duke@435 1014 fprintf(fp_hpp, " void set_starts_bundle() { _starts_bundle = true; }\n");
duke@435 1015
duke@435 1016 fprintf(fp_hpp, " uint flags() const { return (_flags); }\n");
duke@435 1017 fprintf(fp_hpp, " uint instr_count() const { return (_instr_count); }\n");
duke@435 1018 fprintf(fp_hpp, " uint resources_used() const { return (_resources_used); }\n");
duke@435 1019 fprintf(fp_hpp, " bool starts_bundle() const { return (_starts_bundle != 0); }\n");
duke@435 1020
duke@435 1021 fprintf(fp_hpp, " void set_use_nop_delay() { _flags = _use_nop_delay; }\n");
duke@435 1022 fprintf(fp_hpp, " void set_use_unconditional_delay() { _flags = _use_unconditional_delay; }\n");
duke@435 1023 fprintf(fp_hpp, " void set_use_conditional_delay() { _flags = _use_conditional_delay; }\n");
duke@435 1024 fprintf(fp_hpp, " void set_used_in_unconditional_delay() { _flags = _used_in_unconditional_delay; }\n");
duke@435 1025 fprintf(fp_hpp, " void set_used_in_conditional_delay() { _flags = _used_in_conditional_delay; }\n");
duke@435 1026 fprintf(fp_hpp, " void set_used_in_all_conditional_delays() { _flags = _used_in_all_conditional_delays; }\n");
duke@435 1027
duke@435 1028 fprintf(fp_hpp, " bool use_nop_delay() { return (_flags == _use_nop_delay); }\n");
duke@435 1029 fprintf(fp_hpp, " bool use_unconditional_delay() { return (_flags == _use_unconditional_delay); }\n");
duke@435 1030 fprintf(fp_hpp, " bool use_conditional_delay() { return (_flags == _use_conditional_delay); }\n");
duke@435 1031 fprintf(fp_hpp, " bool used_in_unconditional_delay() { return (_flags == _used_in_unconditional_delay); }\n");
duke@435 1032 fprintf(fp_hpp, " bool used_in_conditional_delay() { return (_flags == _used_in_conditional_delay); }\n");
duke@435 1033 fprintf(fp_hpp, " bool used_in_all_conditional_delays() { return (_flags == _used_in_all_conditional_delays); }\n");
duke@435 1034 fprintf(fp_hpp, " bool use_delay() { return ((_flags & _use_delay) != 0); }\n");
duke@435 1035 fprintf(fp_hpp, " bool used_in_delay() { return ((_flags & _used_in_delay) != 0); }\n\n");
duke@435 1036
duke@435 1037 fprintf(fp_hpp, " enum {\n");
duke@435 1038 fprintf(fp_hpp, " _nop_count = %d\n",
duke@435 1039 _pipeline->_nopcnt);
duke@435 1040 fprintf(fp_hpp, " };\n\n");
duke@435 1041 fprintf(fp_hpp, " static void initialize_nops(MachNode *nop_list[%d], Compile* C);\n\n",
duke@435 1042 _pipeline->_nopcnt);
duke@435 1043 fprintf(fp_hpp, "#ifndef PRODUCT\n");
duke@435 1044 fprintf(fp_hpp, " void dump() const;\n");
duke@435 1045 fprintf(fp_hpp, "#endif\n");
duke@435 1046 fprintf(fp_hpp, "};\n\n");
duke@435 1047
duke@435 1048 // const char *classname;
duke@435 1049 // for (_pipeline->_classlist.reset(); (classname = _pipeline->_classlist.iter()) != NULL; ) {
duke@435 1050 // PipeClassForm *pipeclass = _pipeline->_classdict[classname]->is_pipeclass();
duke@435 1051 // fprintf(fp_hpp, "// Pipeline Class Instance for \"%s\"\n", classname);
duke@435 1052 // }
duke@435 1053 }
duke@435 1054
duke@435 1055 //------------------------------declareClasses---------------------------------
duke@435 1056 // Construct the class hierarchy of MachNode classes from the instruction &
duke@435 1057 // operand lists
duke@435 1058 void ArchDesc::declareClasses(FILE *fp) {
duke@435 1059
duke@435 1060 // Declare an array containing the machine register names, strings.
duke@435 1061 declareRegNames(fp, _register);
duke@435 1062
duke@435 1063 // Declare an array containing the machine register encoding values
duke@435 1064 declareRegEncodes(fp, _register);
duke@435 1065
duke@435 1066 // Generate declarations for the total number of operands
duke@435 1067 fprintf(fp,"\n");
duke@435 1068 fprintf(fp,"// Total number of operands defined in architecture definition\n");
duke@435 1069 int num_operands = 0;
duke@435 1070 OperandForm *op;
duke@435 1071 for (_operands.reset(); (op = (OperandForm*)_operands.iter()) != NULL; ) {
duke@435 1072 // Ensure this is a machine-world instruction
duke@435 1073 if (op->ideal_only()) continue;
duke@435 1074
duke@435 1075 ++num_operands;
duke@435 1076 }
duke@435 1077 int first_operand_class = num_operands;
duke@435 1078 OpClassForm *opc;
duke@435 1079 for (_opclass.reset(); (opc = (OpClassForm*)_opclass.iter()) != NULL; ) {
duke@435 1080 // Ensure this is a machine-world instruction
duke@435 1081 if (opc->ideal_only()) continue;
duke@435 1082
duke@435 1083 ++num_operands;
duke@435 1084 }
duke@435 1085 fprintf(fp,"#define FIRST_OPERAND_CLASS %d\n", first_operand_class);
duke@435 1086 fprintf(fp,"#define NUM_OPERANDS %d\n", num_operands);
duke@435 1087 fprintf(fp,"\n");
duke@435 1088 // Generate declarations for the total number of instructions
duke@435 1089 fprintf(fp,"// Total number of instructions defined in architecture definition\n");
duke@435 1090 fprintf(fp,"#define NUM_INSTRUCTIONS %d\n",instructFormCount());
duke@435 1091
duke@435 1092
duke@435 1093 // Generate Machine Classes for each operand defined in AD file
duke@435 1094 fprintf(fp,"\n");
duke@435 1095 fprintf(fp,"//----------------------------Declare classes derived from MachOper----------\n");
duke@435 1096 // Iterate through all operands
duke@435 1097 _operands.reset();
duke@435 1098 OperandForm *oper;
duke@435 1099 for( ; (oper = (OperandForm*)_operands.iter()) != NULL;) {
duke@435 1100 // Ensure this is a machine-world instruction
duke@435 1101 if (oper->ideal_only() ) continue;
duke@435 1102 // The declaration of labelOper is in machine-independent file: machnode
duke@435 1103 if ( strcmp(oper->_ident,"label") == 0 ) continue;
duke@435 1104 // The declaration of methodOper is in machine-independent file: machnode
duke@435 1105 if ( strcmp(oper->_ident,"method") == 0 ) continue;
duke@435 1106
duke@435 1107 // Build class definition for this operand
duke@435 1108 fprintf(fp,"\n");
duke@435 1109 fprintf(fp,"class %sOper : public MachOper { \n",oper->_ident);
duke@435 1110 fprintf(fp,"private:\n");
duke@435 1111 // Operand definitions that depend upon number of input edges
duke@435 1112 {
duke@435 1113 uint num_edges = oper->num_edges(_globalNames);
duke@435 1114 if( num_edges != 1 ) { // Use MachOper::num_edges() {return 1;}
duke@435 1115 fprintf(fp," virtual uint num_edges() const { return %d; }\n",
duke@435 1116 num_edges );
duke@435 1117 }
duke@435 1118 if( num_edges > 0 ) {
duke@435 1119 in_RegMask(fp);
duke@435 1120 }
duke@435 1121 }
duke@435 1122
duke@435 1123 // Support storing constants inside the MachOper
duke@435 1124 declareConstStorage(fp,_globalNames,oper);
duke@435 1125
duke@435 1126 // Support storage of the condition codes
duke@435 1127 if( oper->is_ideal_bool() ) {
duke@435 1128 fprintf(fp," virtual int ccode() const { \n");
duke@435 1129 fprintf(fp," switch (_c0) {\n");
duke@435 1130 fprintf(fp," case BoolTest::eq : return equal();\n");
duke@435 1131 fprintf(fp," case BoolTest::gt : return greater();\n");
duke@435 1132 fprintf(fp," case BoolTest::lt : return less();\n");
duke@435 1133 fprintf(fp," case BoolTest::ne : return not_equal();\n");
duke@435 1134 fprintf(fp," case BoolTest::le : return less_equal();\n");
duke@435 1135 fprintf(fp," case BoolTest::ge : return greater_equal();\n");
duke@435 1136 fprintf(fp," default : ShouldNotReachHere(); return 0;\n");
duke@435 1137 fprintf(fp," }\n");
duke@435 1138 fprintf(fp," };\n");
duke@435 1139 }
duke@435 1140
duke@435 1141 // Support storage of the condition codes
duke@435 1142 if( oper->is_ideal_bool() ) {
duke@435 1143 fprintf(fp," virtual void negate() { \n");
duke@435 1144 fprintf(fp," _c0 = (BoolTest::mask)((int)_c0^0x4); \n");
duke@435 1145 fprintf(fp," };\n");
duke@435 1146 }
duke@435 1147
duke@435 1148 // Declare constructor.
duke@435 1149 // Parameters start with condition code, then all other constants
duke@435 1150 //
duke@435 1151 // (1) MachXOper(int32 ccode, int32 c0, int32 c1, ..., int32 cn)
duke@435 1152 // (2) : _ccode(ccode), _c0(c0), _c1(c1), ..., _cn(cn) { }
duke@435 1153 //
duke@435 1154 Form::DataType constant_type = oper->simple_type(_globalNames);
duke@435 1155 defineConstructor(fp, oper->_ident, oper->num_consts(_globalNames),
duke@435 1156 oper->_components, oper->is_ideal_bool(),
duke@435 1157 constant_type, _globalNames);
duke@435 1158
duke@435 1159 // Clone function
duke@435 1160 fprintf(fp," virtual MachOper *clone(Compile* C) const;\n");
duke@435 1161
duke@435 1162 // Support setting a spill offset into a constant operand.
duke@435 1163 // We only support setting an 'int' offset, while in the
duke@435 1164 // LP64 build spill offsets are added with an AddP which
duke@435 1165 // requires a long constant. Thus we don't support spilling
duke@435 1166 // in frames larger than 4Gig.
duke@435 1167 if( oper->has_conI(_globalNames) ||
duke@435 1168 oper->has_conL(_globalNames) )
duke@435 1169 fprintf(fp, " virtual void set_con( jint c0 ) { _c0 = c0; }\n");
duke@435 1170
duke@435 1171 // virtual functions for encoding and format
duke@435 1172 // fprintf(fp," virtual void encode() const {\n %s }\n",
duke@435 1173 // (oper->_encrule)?(oper->_encrule->_encrule):"");
duke@435 1174 // Check the interface type, and generate the correct query functions
duke@435 1175 // encoding queries based upon MEMORY_INTER, REG_INTER, CONST_INTER.
duke@435 1176
duke@435 1177 fprintf(fp," virtual uint opcode() const { return %s; }\n",
duke@435 1178 machOperEnum(oper->_ident));
duke@435 1179
duke@435 1180 // virtual function to look up ideal return type of machine instruction
duke@435 1181 //
duke@435 1182 // (1) virtual const Type *type() const { return .....; }
duke@435 1183 //
duke@435 1184 if ((oper->_matrule) && (oper->_matrule->_lChild == NULL) &&
duke@435 1185 (oper->_matrule->_rChild == NULL)) {
duke@435 1186 unsigned int position = 0;
duke@435 1187 const char *opret, *opname, *optype;
duke@435 1188 oper->_matrule->base_operand(position,_globalNames,opret,opname,optype);
duke@435 1189 fprintf(fp," virtual const Type *type() const {");
duke@435 1190 const char *type = getIdealType(optype);
duke@435 1191 if( type != NULL ) {
duke@435 1192 Form::DataType data_type = oper->is_base_constant(_globalNames);
duke@435 1193 // Check if we are an ideal pointer type
coleenp@548 1194 if( data_type == Form::idealP || data_type == Form::idealN ) {
duke@435 1195 // Return the ideal type we already have: <TypePtr *>
duke@435 1196 fprintf(fp," return _c0;");
duke@435 1197 } else {
duke@435 1198 // Return the appropriate bottom type
duke@435 1199 fprintf(fp," return %s;", getIdealType(optype));
duke@435 1200 }
duke@435 1201 } else {
duke@435 1202 fprintf(fp," ShouldNotCallThis(); return Type::BOTTOM;");
duke@435 1203 }
duke@435 1204 fprintf(fp," }\n");
duke@435 1205 } else {
duke@435 1206 // Check for user-defined stack slots, based upon sRegX
duke@435 1207 Form::DataType data_type = oper->is_user_name_for_sReg();
duke@435 1208 if( data_type != Form::none ){
duke@435 1209 const char *type = NULL;
duke@435 1210 switch( data_type ) {
duke@435 1211 case Form::idealI: type = "TypeInt::INT"; break;
duke@435 1212 case Form::idealP: type = "TypePtr::BOTTOM";break;
duke@435 1213 case Form::idealF: type = "Type::FLOAT"; break;
duke@435 1214 case Form::idealD: type = "Type::DOUBLE"; break;
duke@435 1215 case Form::idealL: type = "TypeLong::LONG"; break;
duke@435 1216 case Form::none: // fall through
duke@435 1217 default:
duke@435 1218 assert( false, "No support for this type of stackSlot");
duke@435 1219 }
duke@435 1220 fprintf(fp," virtual const Type *type() const { return %s; } // stackSlotX\n", type);
duke@435 1221 }
duke@435 1222 }
duke@435 1223
duke@435 1224
duke@435 1225 //
duke@435 1226 // virtual functions for defining the encoding interface.
duke@435 1227 //
duke@435 1228 // Access the linearized ideal register mask,
duke@435 1229 // map to physical register encoding
duke@435 1230 if ( oper->_matrule && oper->_matrule->is_base_register(_globalNames) ) {
duke@435 1231 // Just use the default virtual 'reg' call
duke@435 1232 } else if ( oper->ideal_to_sReg_type(oper->_ident) != Form::none ) {
duke@435 1233 // Special handling for operand 'sReg', a Stack Slot Register.
duke@435 1234 // Map linearized ideal register mask to stack slot number
duke@435 1235 fprintf(fp," virtual int reg(PhaseRegAlloc *ra_, const Node *node) const {\n");
duke@435 1236 fprintf(fp," return (int)OptoReg::reg2stack(ra_->get_reg_first(node));/* sReg */\n");
duke@435 1237 fprintf(fp," }\n");
duke@435 1238 fprintf(fp," virtual int reg(PhaseRegAlloc *ra_, const Node *node, int idx) const {\n");
duke@435 1239 fprintf(fp," return (int)OptoReg::reg2stack(ra_->get_reg_first(node->in(idx)));/* sReg */\n");
duke@435 1240 fprintf(fp," }\n");
duke@435 1241 }
duke@435 1242
duke@435 1243 // Output the operand specific access functions used by an enc_class
duke@435 1244 // These are only defined when we want to override the default virtual func
duke@435 1245 if (oper->_interface != NULL) {
duke@435 1246 fprintf(fp,"\n");
duke@435 1247 // Check if it is a Memory Interface
duke@435 1248 if ( oper->_interface->is_MemInterface() != NULL ) {
duke@435 1249 MemInterface *mem_interface = oper->_interface->is_MemInterface();
duke@435 1250 const char *base = mem_interface->_base;
duke@435 1251 if( base != NULL ) {
duke@435 1252 define_oper_interface(fp, *oper, _globalNames, "base", base);
duke@435 1253 }
duke@435 1254 char *index = mem_interface->_index;
duke@435 1255 if( index != NULL ) {
duke@435 1256 define_oper_interface(fp, *oper, _globalNames, "index", index);
duke@435 1257 }
duke@435 1258 const char *scale = mem_interface->_scale;
duke@435 1259 if( scale != NULL ) {
duke@435 1260 define_oper_interface(fp, *oper, _globalNames, "scale", scale);
duke@435 1261 }
duke@435 1262 const char *disp = mem_interface->_disp;
duke@435 1263 if( disp != NULL ) {
duke@435 1264 define_oper_interface(fp, *oper, _globalNames, "disp", disp);
duke@435 1265 oper->disp_is_oop(fp, _globalNames);
duke@435 1266 }
duke@435 1267 if( oper->stack_slots_only(_globalNames) ) {
duke@435 1268 // should not call this:
duke@435 1269 fprintf(fp," virtual int constant_disp() const { return Type::OffsetBot; }");
duke@435 1270 } else if ( disp != NULL ) {
duke@435 1271 define_oper_interface(fp, *oper, _globalNames, "constant_disp", disp);
duke@435 1272 }
duke@435 1273 } // end Memory Interface
duke@435 1274 // Check if it is a Conditional Interface
duke@435 1275 else if (oper->_interface->is_CondInterface() != NULL) {
duke@435 1276 CondInterface *cInterface = oper->_interface->is_CondInterface();
duke@435 1277 const char *equal = cInterface->_equal;
duke@435 1278 if( equal != NULL ) {
duke@435 1279 define_oper_interface(fp, *oper, _globalNames, "equal", equal);
duke@435 1280 }
duke@435 1281 const char *not_equal = cInterface->_not_equal;
duke@435 1282 if( not_equal != NULL ) {
duke@435 1283 define_oper_interface(fp, *oper, _globalNames, "not_equal", not_equal);
duke@435 1284 }
duke@435 1285 const char *less = cInterface->_less;
duke@435 1286 if( less != NULL ) {
duke@435 1287 define_oper_interface(fp, *oper, _globalNames, "less", less);
duke@435 1288 }
duke@435 1289 const char *greater_equal = cInterface->_greater_equal;
duke@435 1290 if( greater_equal != NULL ) {
duke@435 1291 define_oper_interface(fp, *oper, _globalNames, "greater_equal", greater_equal);
duke@435 1292 }
duke@435 1293 const char *less_equal = cInterface->_less_equal;
duke@435 1294 if( less_equal != NULL ) {
duke@435 1295 define_oper_interface(fp, *oper, _globalNames, "less_equal", less_equal);
duke@435 1296 }
duke@435 1297 const char *greater = cInterface->_greater;
duke@435 1298 if( greater != NULL ) {
duke@435 1299 define_oper_interface(fp, *oper, _globalNames, "greater", greater);
duke@435 1300 }
duke@435 1301 } // end Conditional Interface
duke@435 1302 // Check if it is a Constant Interface
duke@435 1303 else if (oper->_interface->is_ConstInterface() != NULL ) {
duke@435 1304 assert( oper->num_consts(_globalNames) == 1,
duke@435 1305 "Must have one constant when using CONST_INTER encoding");
duke@435 1306 if (!strcmp(oper->ideal_type(_globalNames), "ConI")) {
duke@435 1307 // Access the locally stored constant
duke@435 1308 fprintf(fp," virtual intptr_t constant() const {");
duke@435 1309 fprintf(fp, " return (intptr_t)_c0;");
duke@435 1310 fprintf(fp," }\n");
duke@435 1311 }
duke@435 1312 else if (!strcmp(oper->ideal_type(_globalNames), "ConP")) {
duke@435 1313 // Access the locally stored constant
duke@435 1314 fprintf(fp," virtual intptr_t constant() const {");
duke@435 1315 fprintf(fp, " return _c0->get_con();");
duke@435 1316 fprintf(fp, " }\n");
duke@435 1317 // Generate query to determine if this pointer is an oop
duke@435 1318 fprintf(fp," virtual bool constant_is_oop() const {");
duke@435 1319 fprintf(fp, " return _c0->isa_oop_ptr();");
duke@435 1320 fprintf(fp, " }\n");
duke@435 1321 }
coleenp@548 1322 else if (!strcmp(oper->ideal_type(_globalNames), "ConN")) {
coleenp@548 1323 // Access the locally stored constant
coleenp@548 1324 fprintf(fp," virtual intptr_t constant() const {");
coleenp@548 1325 fprintf(fp, " return _c0->make_oopptr()->get_con();");
coleenp@548 1326 fprintf(fp, " }\n");
coleenp@548 1327 // Generate query to determine if this pointer is an oop
coleenp@548 1328 fprintf(fp," virtual bool constant_is_oop() const {");
coleenp@548 1329 fprintf(fp, " return _c0->make_oopptr()->isa_oop_ptr();");
coleenp@548 1330 fprintf(fp, " }\n");
coleenp@548 1331 }
duke@435 1332 else if (!strcmp(oper->ideal_type(_globalNames), "ConL")) {
duke@435 1333 fprintf(fp," virtual intptr_t constant() const {");
duke@435 1334 // We don't support addressing modes with > 4Gig offsets.
duke@435 1335 // Truncate to int.
duke@435 1336 fprintf(fp, " return (intptr_t)_c0;");
duke@435 1337 fprintf(fp, " }\n");
duke@435 1338 fprintf(fp," virtual jlong constantL() const {");
duke@435 1339 fprintf(fp, " return _c0;");
duke@435 1340 fprintf(fp, " }\n");
duke@435 1341 }
duke@435 1342 else if (!strcmp(oper->ideal_type(_globalNames), "ConF")) {
duke@435 1343 fprintf(fp," virtual intptr_t constant() const {");
duke@435 1344 fprintf(fp, " ShouldNotReachHere(); return 0; ");
duke@435 1345 fprintf(fp, " }\n");
duke@435 1346 fprintf(fp," virtual jfloat constantF() const {");
duke@435 1347 fprintf(fp, " return (jfloat)_c0;");
duke@435 1348 fprintf(fp, " }\n");
duke@435 1349 }
duke@435 1350 else if (!strcmp(oper->ideal_type(_globalNames), "ConD")) {
duke@435 1351 fprintf(fp," virtual intptr_t constant() const {");
duke@435 1352 fprintf(fp, " ShouldNotReachHere(); return 0; ");
duke@435 1353 fprintf(fp, " }\n");
duke@435 1354 fprintf(fp," virtual jdouble constantD() const {");
duke@435 1355 fprintf(fp, " return _c0;");
duke@435 1356 fprintf(fp, " }\n");
duke@435 1357 }
duke@435 1358 }
duke@435 1359 else if (oper->_interface->is_RegInterface() != NULL) {
duke@435 1360 // make sure that a fixed format string isn't used for an
duke@435 1361 // operand which might be assiged to multiple registers.
duke@435 1362 // Otherwise the opto assembly output could be misleading.
duke@435 1363 if (oper->_format->_strings.count() != 0 && !oper->is_bound_register()) {
duke@435 1364 syntax_err(oper->_linenum,
duke@435 1365 "Only bound registers can have fixed formats: %s\n",
duke@435 1366 oper->_ident);
duke@435 1367 }
duke@435 1368 }
duke@435 1369 else {
duke@435 1370 assert( false, "ShouldNotReachHere();");
duke@435 1371 }
duke@435 1372 }
duke@435 1373
duke@435 1374 fprintf(fp,"\n");
duke@435 1375 // // Currently all XXXOper::hash() methods are identical (990820)
duke@435 1376 // declare_hash(fp);
duke@435 1377 // // Currently all XXXOper::Cmp() methods are identical (990820)
duke@435 1378 // declare_cmp(fp);
duke@435 1379
duke@435 1380 // Do not place dump_spec() and Name() into PRODUCT code
duke@435 1381 // int_format and ext_format are not needed in PRODUCT code either
duke@435 1382 fprintf(fp, "#ifndef PRODUCT\n");
duke@435 1383
duke@435 1384 // Declare int_format() and ext_format()
duke@435 1385 gen_oper_format(fp, _globalNames, *oper);
duke@435 1386
duke@435 1387 // Machine independent print functionality for debugging
duke@435 1388 // IF we have constants, create a dump_spec function for the derived class
duke@435 1389 //
duke@435 1390 // (1) virtual void dump_spec() const {
duke@435 1391 // (2) st->print("#%d", _c#); // Constant != ConP
duke@435 1392 // OR _c#->dump_on(st); // Type ConP
duke@435 1393 // ...
duke@435 1394 // (3) }
duke@435 1395 uint num_consts = oper->num_consts(_globalNames);
duke@435 1396 if( num_consts > 0 ) {
duke@435 1397 // line (1)
duke@435 1398 fprintf(fp, " virtual void dump_spec(outputStream *st) const {\n");
duke@435 1399 // generate format string for st->print
duke@435 1400 // Iterate over the component list & spit out the right thing
duke@435 1401 uint i = 0;
duke@435 1402 const char *type = oper->ideal_type(_globalNames);
duke@435 1403 Component *comp;
duke@435 1404 oper->_components.reset();
duke@435 1405 if ((comp = oper->_components.iter()) == NULL) {
duke@435 1406 assert(num_consts == 1, "Bad component list detected.\n");
duke@435 1407 i = dump_spec_constant( fp, type, i );
duke@435 1408 // Check that type actually matched
duke@435 1409 assert( i != 0, "Non-constant operand lacks component list.");
duke@435 1410 } // end if NULL
duke@435 1411 else {
duke@435 1412 // line (2)
duke@435 1413 // dump all components
duke@435 1414 oper->_components.reset();
duke@435 1415 while((comp = oper->_components.iter()) != NULL) {
duke@435 1416 type = comp->base_type(_globalNames);
duke@435 1417 i = dump_spec_constant( fp, type, i );
duke@435 1418 }
duke@435 1419 }
duke@435 1420 // finish line (3)
duke@435 1421 fprintf(fp," }\n");
duke@435 1422 }
duke@435 1423
duke@435 1424 fprintf(fp," virtual const char *Name() const { return \"%s\";}\n",
duke@435 1425 oper->_ident);
duke@435 1426
duke@435 1427 fprintf(fp,"#endif\n");
duke@435 1428
duke@435 1429 // Close definition of this XxxMachOper
duke@435 1430 fprintf(fp,"};\n");
duke@435 1431 }
duke@435 1432
duke@435 1433
duke@435 1434 // Generate Machine Classes for each instruction defined in AD file
duke@435 1435 fprintf(fp,"\n");
duke@435 1436 fprintf(fp,"//----------------------------Declare classes for Pipelines-----------------\n");
duke@435 1437 declare_pipe_classes(fp);
duke@435 1438
duke@435 1439 // Generate Machine Classes for each instruction defined in AD file
duke@435 1440 fprintf(fp,"\n");
duke@435 1441 fprintf(fp,"//----------------------------Declare classes derived from MachNode----------\n");
duke@435 1442 _instructions.reset();
duke@435 1443 InstructForm *instr;
duke@435 1444 for( ; (instr = (InstructForm*)_instructions.iter()) != NULL; ) {
duke@435 1445 // Ensure this is a machine-world instruction
duke@435 1446 if ( instr->ideal_only() ) continue;
duke@435 1447
duke@435 1448 // Build class definition for this instruction
duke@435 1449 fprintf(fp,"\n");
duke@435 1450 fprintf(fp,"class %sNode : public %s { \n",
duke@435 1451 instr->_ident, instr->mach_base_class() );
duke@435 1452 fprintf(fp,"private:\n");
duke@435 1453 fprintf(fp," MachOper *_opnd_array[%d];\n", instr->num_opnds() );
duke@435 1454 if ( instr->is_ideal_jump() ) {
duke@435 1455 fprintf(fp, " GrowableArray<Label*> _index2label;\n");
duke@435 1456 }
duke@435 1457 fprintf(fp,"public:\n");
duke@435 1458 fprintf(fp," MachOper *opnd_array(uint operand_index) const { assert(operand_index < _num_opnds, \"invalid _opnd_array index\"); return _opnd_array[operand_index]; }\n");
duke@435 1459 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");
duke@435 1460 fprintf(fp,"private:\n");
duke@435 1461 if ( instr->is_ideal_jump() ) {
duke@435 1462 fprintf(fp," virtual void add_case_label(int index_num, Label* blockLabel) {\n");
duke@435 1463 fprintf(fp," _index2label.at_put_grow(index_num, blockLabel);}\n");
duke@435 1464 }
duke@435 1465 if( can_cisc_spill() && (instr->cisc_spill_alternate() != NULL) ) {
duke@435 1466 fprintf(fp," const RegMask *_cisc_RegMask;\n");
duke@435 1467 }
duke@435 1468
duke@435 1469 out_RegMask(fp); // output register mask
duke@435 1470 fprintf(fp," virtual uint rule() const { return %s_rule; }\n",
duke@435 1471 instr->_ident);
duke@435 1472
duke@435 1473 // If this instruction contains a labelOper
duke@435 1474 // Declare Node::methods that set operand Label's contents
duke@435 1475 int label_position = instr->label_position();
duke@435 1476 if( label_position != -1 ) {
duke@435 1477 // Set the label, stored in labelOper::_branch_label
duke@435 1478 fprintf(fp," virtual void label_set( Label& label, uint block_num );\n");
duke@435 1479 }
duke@435 1480
duke@435 1481 // If this instruction contains a methodOper
duke@435 1482 // Declare Node::methods that set operand method's contents
duke@435 1483 int method_position = instr->method_position();
duke@435 1484 if( method_position != -1 ) {
duke@435 1485 // Set the address method, stored in methodOper::_method
duke@435 1486 fprintf(fp," virtual void method_set( intptr_t method );\n");
duke@435 1487 }
duke@435 1488
duke@435 1489 // virtual functions for attributes
duke@435 1490 //
duke@435 1491 // Each instruction attribute results in a virtual call of same name.
duke@435 1492 // The ins_cost is not handled here.
duke@435 1493 Attribute *attr = instr->_attribs;
duke@435 1494 bool is_pc_relative = false;
duke@435 1495 while (attr != NULL) {
duke@435 1496 if (strcmp(attr->_ident,"ins_cost") &&
duke@435 1497 strcmp(attr->_ident,"ins_pc_relative")) {
duke@435 1498 fprintf(fp," int %s() const { return %s; }\n",
duke@435 1499 attr->_ident, attr->_val);
duke@435 1500 }
duke@435 1501 // Check value for ins_pc_relative, and if it is true (1), set the flag
duke@435 1502 if (!strcmp(attr->_ident,"ins_pc_relative") && attr->int_val(*this) != 0)
duke@435 1503 is_pc_relative = true;
duke@435 1504 attr = (Attribute *)attr->_next;
duke@435 1505 }
duke@435 1506
duke@435 1507 // virtual functions for encode and format
duke@435 1508 //
duke@435 1509 // Output the opcode function and the encode function here using the
duke@435 1510 // encoding class information in the _insencode slot.
duke@435 1511 if ( instr->_insencode ) {
duke@435 1512 fprintf(fp," virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const;\n");
duke@435 1513 }
duke@435 1514
duke@435 1515 // virtual function for getting the size of an instruction
duke@435 1516 if ( instr->_size ) {
duke@435 1517 fprintf(fp," virtual uint size(PhaseRegAlloc *ra_) const;\n");
duke@435 1518 }
duke@435 1519
duke@435 1520 // Return the top-level ideal opcode.
duke@435 1521 // Use MachNode::ideal_Opcode() for nodes based on MachNode class
duke@435 1522 // if the ideal_Opcode == Op_Node.
duke@435 1523 if ( strcmp("Node", instr->ideal_Opcode(_globalNames)) != 0 ||
duke@435 1524 strcmp("MachNode", instr->mach_base_class()) != 0 ) {
duke@435 1525 fprintf(fp," virtual int ideal_Opcode() const { return Op_%s; }\n",
duke@435 1526 instr->ideal_Opcode(_globalNames) );
duke@435 1527 }
duke@435 1528
duke@435 1529 // Allow machine-independent optimization, invert the sense of the IF test
duke@435 1530 if( instr->is_ideal_if() ) {
duke@435 1531 fprintf(fp," virtual void negate() { \n");
duke@435 1532 // Identify which operand contains the negate(able) ideal condition code
duke@435 1533 int idx = 0;
duke@435 1534 instr->_components.reset();
duke@435 1535 for( Component *comp; (comp = instr->_components.iter()) != NULL; ) {
duke@435 1536 // Check that component is an operand
duke@435 1537 Form *form = (Form*)_globalNames[comp->_type];
duke@435 1538 OperandForm *opForm = form ? form->is_operand() : NULL;
duke@435 1539 if( opForm == NULL ) continue;
duke@435 1540
duke@435 1541 // Lookup the position of the operand in the instruction.
duke@435 1542 if( opForm->is_ideal_bool() ) {
duke@435 1543 idx = instr->operand_position(comp->_name, comp->_usedef);
duke@435 1544 assert( idx != NameList::Not_in_list, "Did not find component in list that contained it.");
duke@435 1545 break;
duke@435 1546 }
duke@435 1547 }
duke@435 1548 fprintf(fp," opnd_array(%d)->negate();\n", idx);
duke@435 1549 fprintf(fp," _prob = 1.0f - _prob;\n");
duke@435 1550 fprintf(fp," };\n");
duke@435 1551 }
duke@435 1552
duke@435 1553
duke@435 1554 // Identify which input register matches the input register.
duke@435 1555 uint matching_input = instr->two_address(_globalNames);
duke@435 1556
duke@435 1557 // Generate the method if it returns != 0 otherwise use MachNode::two_adr()
duke@435 1558 if( matching_input != 0 ) {
duke@435 1559 fprintf(fp," virtual uint two_adr() const ");
duke@435 1560 fprintf(fp,"{ return oper_input_base()");
duke@435 1561 for( uint i = 2; i <= matching_input; i++ )
duke@435 1562 fprintf(fp," + opnd_array(%d)->num_edges()",i-1);
duke@435 1563 fprintf(fp,"; }\n");
duke@435 1564 }
duke@435 1565
duke@435 1566 // Declare cisc_version, if applicable
duke@435 1567 // MachNode *cisc_version( int offset /* ,... */ );
duke@435 1568 instr->declare_cisc_version(*this, fp);
duke@435 1569
duke@435 1570 // If there is an explicit peephole rule, build it
duke@435 1571 if ( instr->peepholes() != NULL ) {
duke@435 1572 fprintf(fp," virtual MachNode *peephole(Block *block, int block_index, PhaseRegAlloc *ra_, int &deleted, Compile *C);\n");
duke@435 1573 }
duke@435 1574
duke@435 1575 // Output the declaration for number of relocation entries
duke@435 1576 if ( instr->reloc(_globalNames) != 0 ) {
duke@435 1577 fprintf(fp," virtual int reloc() const;\n");
duke@435 1578 }
duke@435 1579
duke@435 1580 if (instr->alignment() != 1) {
duke@435 1581 fprintf(fp," virtual int alignment_required() const { return %d; }\n", instr->alignment());
duke@435 1582 fprintf(fp," virtual int compute_padding(int current_offset) const;\n");
duke@435 1583 }
duke@435 1584
duke@435 1585 // Starting point for inputs matcher wants.
duke@435 1586 // Use MachNode::oper_input_base() for nodes based on MachNode class
duke@435 1587 // if the base == 1.
duke@435 1588 if ( instr->oper_input_base(_globalNames) != 1 ||
duke@435 1589 strcmp("MachNode", instr->mach_base_class()) != 0 ) {
duke@435 1590 fprintf(fp," virtual uint oper_input_base() const { return %d; }\n",
duke@435 1591 instr->oper_input_base(_globalNames));
duke@435 1592 }
duke@435 1593
duke@435 1594 // Make the constructor and following methods 'public:'
duke@435 1595 fprintf(fp,"public:\n");
duke@435 1596
duke@435 1597 // Constructor
duke@435 1598 if ( instr->is_ideal_jump() ) {
duke@435 1599 fprintf(fp," %sNode() : _index2label(MinJumpTableSize*2) { ", instr->_ident);
duke@435 1600 } else {
duke@435 1601 fprintf(fp," %sNode() { ", instr->_ident);
duke@435 1602 if( can_cisc_spill() && (instr->cisc_spill_alternate() != NULL) ) {
duke@435 1603 fprintf(fp,"_cisc_RegMask = NULL; ");
duke@435 1604 }
duke@435 1605 }
duke@435 1606
duke@435 1607 fprintf(fp," _num_opnds = %d; _opnds = _opnd_array; ", instr->num_opnds());
duke@435 1608
duke@435 1609 bool node_flags_set = false;
duke@435 1610 // flag: if this instruction matches an ideal 'Goto' node
duke@435 1611 if ( instr->is_ideal_goto() ) {
duke@435 1612 fprintf(fp,"init_flags(Flag_is_Goto");
duke@435 1613 node_flags_set = true;
duke@435 1614 }
duke@435 1615
duke@435 1616 // flag: if this instruction matches an ideal 'Copy*' node
duke@435 1617 if ( instr->is_ideal_copy() != 0 ) {
duke@435 1618 if ( node_flags_set ) {
duke@435 1619 fprintf(fp," | Flag_is_Copy");
duke@435 1620 } else {
duke@435 1621 fprintf(fp,"init_flags(Flag_is_Copy");
duke@435 1622 node_flags_set = true;
duke@435 1623 }
duke@435 1624 }
duke@435 1625
duke@435 1626 // Is an instruction is a constant? If so, get its type
duke@435 1627 Form::DataType data_type;
duke@435 1628 const char *opType = NULL;
duke@435 1629 const char *result = NULL;
duke@435 1630 data_type = instr->is_chain_of_constant(_globalNames, opType, result);
duke@435 1631 // Check if this instruction is a constant
duke@435 1632 if ( data_type != Form::none ) {
duke@435 1633 if ( node_flags_set ) {
duke@435 1634 fprintf(fp," | Flag_is_Con");
duke@435 1635 } else {
duke@435 1636 fprintf(fp,"init_flags(Flag_is_Con");
duke@435 1637 node_flags_set = true;
duke@435 1638 }
duke@435 1639 }
duke@435 1640
duke@435 1641 // flag: if instruction matches 'If' | 'Goto' | 'CountedLoopEnd | 'Jump'
duke@435 1642 if ( instr->is_ideal_branch() ) {
duke@435 1643 if ( node_flags_set ) {
duke@435 1644 fprintf(fp," | Flag_is_Branch");
duke@435 1645 } else {
duke@435 1646 fprintf(fp,"init_flags(Flag_is_Branch");
duke@435 1647 node_flags_set = true;
duke@435 1648 }
duke@435 1649 }
duke@435 1650
duke@435 1651 // flag: if this instruction is cisc alternate
duke@435 1652 if ( can_cisc_spill() && instr->is_cisc_alternate() ) {
duke@435 1653 if ( node_flags_set ) {
duke@435 1654 fprintf(fp," | Flag_is_cisc_alternate");
duke@435 1655 } else {
duke@435 1656 fprintf(fp,"init_flags(Flag_is_cisc_alternate");
duke@435 1657 node_flags_set = true;
duke@435 1658 }
duke@435 1659 }
duke@435 1660
duke@435 1661 // flag: if this instruction is pc relative
duke@435 1662 if ( is_pc_relative ) {
duke@435 1663 if ( node_flags_set ) {
duke@435 1664 fprintf(fp," | Flag_is_pc_relative");
duke@435 1665 } else {
duke@435 1666 fprintf(fp,"init_flags(Flag_is_pc_relative");
duke@435 1667 node_flags_set = true;
duke@435 1668 }
duke@435 1669 }
duke@435 1670
duke@435 1671 // flag: if this instruction has short branch form
duke@435 1672 if ( instr->has_short_branch_form() ) {
duke@435 1673 if ( node_flags_set ) {
duke@435 1674 fprintf(fp," | Flag_may_be_short_branch");
duke@435 1675 } else {
duke@435 1676 fprintf(fp,"init_flags(Flag_may_be_short_branch");
duke@435 1677 node_flags_set = true;
duke@435 1678 }
duke@435 1679 }
duke@435 1680
duke@435 1681 // Check if machine instructions that USE memory, but do not DEF memory,
duke@435 1682 // depend upon a node that defines memory in machine-independent graph.
duke@435 1683 if ( instr->needs_anti_dependence_check(_globalNames) ) {
duke@435 1684 if ( node_flags_set ) {
duke@435 1685 fprintf(fp," | Flag_needs_anti_dependence_check");
duke@435 1686 } else {
duke@435 1687 fprintf(fp,"init_flags(Flag_needs_anti_dependence_check");
duke@435 1688 node_flags_set = true;
duke@435 1689 }
duke@435 1690 }
duke@435 1691
duke@435 1692 if ( node_flags_set ) {
duke@435 1693 fprintf(fp,"); ");
duke@435 1694 }
duke@435 1695
duke@435 1696 if (instr->is_ideal_unlock() || instr->is_ideal_call_leaf()) {
duke@435 1697 fprintf(fp,"clear_flag(Flag_is_safepoint_node); ");
duke@435 1698 }
duke@435 1699
duke@435 1700 fprintf(fp,"}\n");
duke@435 1701
duke@435 1702 // size_of, used by base class's clone to obtain the correct size.
duke@435 1703 fprintf(fp," virtual uint size_of() const {");
duke@435 1704 fprintf(fp, " return sizeof(%sNode);", instr->_ident);
duke@435 1705 fprintf(fp, " }\n");
duke@435 1706
duke@435 1707 // Virtual methods which are only generated to override base class
duke@435 1708 if( instr->expands() || instr->needs_projections() ||
duke@435 1709 instr->has_temps() ||
duke@435 1710 instr->_matrule != NULL &&
duke@435 1711 instr->num_opnds() != instr->num_unique_opnds() ) {
duke@435 1712 fprintf(fp," virtual MachNode *Expand(State *state, Node_List &proj_list);\n");
duke@435 1713 }
duke@435 1714
duke@435 1715 if (instr->is_pinned(_globalNames)) {
duke@435 1716 fprintf(fp," virtual bool pinned() const { return ");
duke@435 1717 if (instr->is_parm(_globalNames)) {
duke@435 1718 fprintf(fp,"_in[0]->pinned();");
duke@435 1719 } else {
duke@435 1720 fprintf(fp,"true;");
duke@435 1721 }
duke@435 1722 fprintf(fp," }\n");
duke@435 1723 }
duke@435 1724 if (instr->is_projection(_globalNames)) {
duke@435 1725 fprintf(fp," virtual const Node *is_block_proj() const { return this; }\n");
duke@435 1726 }
duke@435 1727 if ( instr->num_post_match_opnds() != 0
duke@435 1728 || instr->is_chain_of_constant(_globalNames) ) {
duke@435 1729 fprintf(fp," friend MachNode *State::MachNodeGenerator(int opcode, Compile* C);\n");
duke@435 1730 }
duke@435 1731 if ( instr->rematerialize(_globalNames, get_registers()) ) {
duke@435 1732 fprintf(fp," // Rematerialize %s\n", instr->_ident);
duke@435 1733 }
duke@435 1734
duke@435 1735 // Declare short branch methods, if applicable
duke@435 1736 instr->declare_short_branch_methods(fp);
duke@435 1737
duke@435 1738 // Instructions containing a constant that will be entered into the
duke@435 1739 // float/double table redefine the base virtual function
duke@435 1740 #ifdef SPARC
duke@435 1741 // Sparc doubles entries in the constant table require more space for
duke@435 1742 // alignment. (expires 9/98)
duke@435 1743 int table_entries = (3 * instr->num_consts( _globalNames, Form::idealD ))
duke@435 1744 + instr->num_consts( _globalNames, Form::idealF );
duke@435 1745 #else
duke@435 1746 int table_entries = instr->num_consts( _globalNames, Form::idealD )
duke@435 1747 + instr->num_consts( _globalNames, Form::idealF );
duke@435 1748 #endif
duke@435 1749 if( table_entries != 0 ) {
duke@435 1750 fprintf(fp," virtual int const_size() const {");
duke@435 1751 fprintf(fp, " return %d;", table_entries);
duke@435 1752 fprintf(fp, " }\n");
duke@435 1753 }
duke@435 1754
duke@435 1755
duke@435 1756 // See if there is an "ins_pipe" declaration for this instruction
duke@435 1757 if (instr->_ins_pipe) {
duke@435 1758 fprintf(fp," static const Pipeline *pipeline_class();\n");
duke@435 1759 fprintf(fp," virtual const Pipeline *pipeline() const;\n");
duke@435 1760 }
duke@435 1761
duke@435 1762 // Generate virtual function for MachNodeX::bottom_type when necessary
duke@435 1763 //
duke@435 1764 // Note on accuracy: Pointer-types of machine nodes need to be accurate,
duke@435 1765 // or else alias analysis on the matched graph may produce bad code.
duke@435 1766 // Moreover, the aliasing decisions made on machine-node graph must be
duke@435 1767 // no less accurate than those made on the ideal graph, or else the graph
duke@435 1768 // may fail to schedule. (Reason: Memory ops which are reordered in
duke@435 1769 // the ideal graph might look interdependent in the machine graph,
duke@435 1770 // thereby removing degrees of scheduling freedom that the optimizer
duke@435 1771 // assumed would be available.)
duke@435 1772 //
duke@435 1773 // %%% We should handle many of these cases with an explicit ADL clause:
duke@435 1774 // instruct foo() %{ ... bottom_type(TypeRawPtr::BOTTOM); ... %}
duke@435 1775 if( data_type != Form::none ) {
duke@435 1776 // A constant's bottom_type returns a Type containing its constant value
duke@435 1777
duke@435 1778 // !!!!!
duke@435 1779 // Convert all ints, floats, ... to machine-independent TypeXs
duke@435 1780 // as is done for pointers
duke@435 1781 //
duke@435 1782 // Construct appropriate constant type containing the constant value.
duke@435 1783 fprintf(fp," virtual const class Type *bottom_type() const{\n");
duke@435 1784 switch( data_type ) {
duke@435 1785 case Form::idealI:
duke@435 1786 fprintf(fp," return TypeInt::make(opnd_array(1)->constant());\n");
duke@435 1787 break;
duke@435 1788 case Form::idealP:
coleenp@548 1789 case Form::idealN:
duke@435 1790 fprintf(fp," return opnd_array(1)->type();\n",result);
duke@435 1791 break;
duke@435 1792 case Form::idealD:
duke@435 1793 fprintf(fp," return TypeD::make(opnd_array(1)->constantD());\n");
duke@435 1794 break;
duke@435 1795 case Form::idealF:
duke@435 1796 fprintf(fp," return TypeF::make(opnd_array(1)->constantF());\n");
duke@435 1797 break;
duke@435 1798 case Form::idealL:
duke@435 1799 fprintf(fp," return TypeLong::make(opnd_array(1)->constantL());\n");
duke@435 1800 break;
duke@435 1801 default:
duke@435 1802 assert( false, "Unimplemented()" );
duke@435 1803 break;
duke@435 1804 }
duke@435 1805 fprintf(fp," };\n");
duke@435 1806 }
duke@435 1807 /* else if ( instr->_matrule && instr->_matrule->_rChild &&
duke@435 1808 ( strcmp("ConvF2I",instr->_matrule->_rChild->_opType)==0
duke@435 1809 || strcmp("ConvD2I",instr->_matrule->_rChild->_opType)==0 ) ) {
duke@435 1810 // !!!!! !!!!!
duke@435 1811 // Provide explicit bottom type for conversions to int
duke@435 1812 // On Intel the result operand is a stackSlot, untyped.
duke@435 1813 fprintf(fp," virtual const class Type *bottom_type() const{");
duke@435 1814 fprintf(fp, " return TypeInt::INT;");
duke@435 1815 fprintf(fp, " };\n");
duke@435 1816 }*/
duke@435 1817 else if( instr->is_ideal_copy() &&
duke@435 1818 !strcmp(instr->_matrule->_lChild->_opType,"stackSlotP") ) {
duke@435 1819 // !!!!!
duke@435 1820 // Special hack for ideal Copy of pointer. Bottom type is oop or not depending on input.
duke@435 1821 fprintf(fp," const Type *bottom_type() const { return in(1)->bottom_type(); } // Copy?\n");
duke@435 1822 }
duke@435 1823 else if( instr->is_ideal_loadPC() ) {
duke@435 1824 // LoadPCNode provides the return address of a call to native code.
duke@435 1825 // Define its bottom type to be TypeRawPtr::BOTTOM instead of TypePtr::BOTTOM
duke@435 1826 // since it is a pointer to an internal VM location and must have a zero offset.
duke@435 1827 // Allocation detects derived pointers, in part, by their non-zero offsets.
duke@435 1828 fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // LoadPC?\n");
duke@435 1829 }
duke@435 1830 else if( instr->is_ideal_box() ) {
duke@435 1831 // BoxNode provides the address of a stack slot.
duke@435 1832 // Define its bottom type to be TypeRawPtr::BOTTOM instead of TypePtr::BOTTOM
duke@435 1833 // This prevent s insert_anti_dependencies from complaining. It will
duke@435 1834 // complain if it see that the pointer base is TypePtr::BOTTOM since
duke@435 1835 // it doesn't understand what that might alias.
duke@435 1836 fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // Box?\n");
duke@435 1837 }
duke@435 1838 else if( instr->_matrule && instr->_matrule->_rChild && !strcmp(instr->_matrule->_rChild->_opType,"CMoveP") ) {
duke@435 1839 int offset = 1;
duke@435 1840 // Special special hack to see if the Cmp? has been incorporated in the conditional move
duke@435 1841 MatchNode *rl = instr->_matrule->_rChild->_lChild;
duke@435 1842 if( rl && !strcmp(rl->_opType, "Binary") ) {
duke@435 1843 MatchNode *rlr = rl->_rChild;
duke@435 1844 if (rlr && strncmp(rlr->_opType, "Cmp", 3) == 0)
duke@435 1845 offset = 2;
duke@435 1846 }
duke@435 1847 // Special hack for ideal CMoveP; ideal type depends on inputs
duke@435 1848 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",
duke@435 1849 offset, offset+1, offset+1);
duke@435 1850 }
duke@435 1851 else if( instr->needs_base_oop_edge(_globalNames) ) {
duke@435 1852 // Special hack for ideal AddP. Bottom type is an oop IFF it has a
duke@435 1853 // legal base-pointer input. Otherwise it is NOT an oop.
duke@435 1854 fprintf(fp," const Type *bottom_type() const { return AddPNode::mach_bottom_type(this); } // AddP\n");
duke@435 1855 }
duke@435 1856 else if (instr->is_tls_instruction()) {
duke@435 1857 // Special hack for tlsLoadP
duke@435 1858 fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // tlsLoadP\n");
duke@435 1859 }
duke@435 1860 else if ( instr->is_ideal_if() ) {
duke@435 1861 fprintf(fp," const Type *bottom_type() const { return TypeTuple::IFBOTH; } // matched IfNode\n");
duke@435 1862 }
duke@435 1863 else if ( instr->is_ideal_membar() ) {
duke@435 1864 fprintf(fp," const Type *bottom_type() const { return TypeTuple::MEMBAR; } // matched MemBar\n");
duke@435 1865 }
duke@435 1866
duke@435 1867 // Check where 'ideal_type' must be customized
duke@435 1868 /*
duke@435 1869 if ( instr->_matrule && instr->_matrule->_rChild &&
duke@435 1870 ( strcmp("ConvF2I",instr->_matrule->_rChild->_opType)==0
duke@435 1871 || strcmp("ConvD2I",instr->_matrule->_rChild->_opType)==0 ) ) {
duke@435 1872 fprintf(fp," virtual uint ideal_reg() const { return Compile::current()->matcher()->base2reg[Type::Int]; }\n");
duke@435 1873 }*/
duke@435 1874
duke@435 1875 // Analyze machine instructions that either USE or DEF memory.
duke@435 1876 int memory_operand = instr->memory_operand(_globalNames);
duke@435 1877 // Some guys kill all of memory
duke@435 1878 if ( instr->is_wide_memory_kill(_globalNames) ) {
duke@435 1879 memory_operand = InstructForm::MANY_MEMORY_OPERANDS;
duke@435 1880 }
duke@435 1881 if ( memory_operand != InstructForm::NO_MEMORY_OPERAND ) {
duke@435 1882 if( memory_operand == InstructForm::MANY_MEMORY_OPERANDS ) {
duke@435 1883 fprintf(fp," virtual const TypePtr *adr_type() const;\n");
duke@435 1884 }
duke@435 1885 fprintf(fp," virtual const MachOper *memory_operand() const;\n");
duke@435 1886 }
duke@435 1887
duke@435 1888 fprintf(fp, "#ifndef PRODUCT\n");
duke@435 1889
duke@435 1890 // virtual function for generating the user's assembler output
duke@435 1891 gen_inst_format(fp, _globalNames,*instr);
duke@435 1892
duke@435 1893 // Machine independent print functionality for debugging
duke@435 1894 fprintf(fp," virtual const char *Name() const { return \"%s\";}\n",
duke@435 1895 instr->_ident);
duke@435 1896
duke@435 1897 fprintf(fp, "#endif\n");
duke@435 1898
duke@435 1899 // Close definition of this XxxMachNode
duke@435 1900 fprintf(fp,"};\n");
duke@435 1901 };
duke@435 1902
duke@435 1903 }
duke@435 1904
duke@435 1905 void ArchDesc::defineStateClass(FILE *fp) {
duke@435 1906 static const char *state__valid = "_valid[((uint)index) >> 5] & (0x1 << (((uint)index) & 0x0001F))";
duke@435 1907 static const char *state__set_valid= "_valid[((uint)index) >> 5] |= (0x1 << (((uint)index) & 0x0001F))";
duke@435 1908
duke@435 1909 fprintf(fp,"\n");
duke@435 1910 fprintf(fp,"// MACROS to inline and constant fold State::valid(index)...\n");
duke@435 1911 fprintf(fp,"// when given a constant 'index' in dfa_<arch>.cpp\n");
duke@435 1912 fprintf(fp,"// uint word = index >> 5; // Shift out bit position\n");
duke@435 1913 fprintf(fp,"// uint bitpos = index & 0x0001F; // Mask off word bits\n");
duke@435 1914 fprintf(fp,"#define STATE__VALID(index) ");
duke@435 1915 fprintf(fp," (%s)\n", state__valid);
duke@435 1916 fprintf(fp,"\n");
duke@435 1917 fprintf(fp,"#define STATE__NOT_YET_VALID(index) ");
duke@435 1918 fprintf(fp," ( (%s) == 0 )\n", state__valid);
duke@435 1919 fprintf(fp,"\n");
duke@435 1920 fprintf(fp,"#define STATE__VALID_CHILD(state,index) ");
duke@435 1921 fprintf(fp," ( state && (state->%s) )\n", state__valid);
duke@435 1922 fprintf(fp,"\n");
duke@435 1923 fprintf(fp,"#define STATE__SET_VALID(index) ");
duke@435 1924 fprintf(fp," (%s)\n", state__set_valid);
duke@435 1925 fprintf(fp,"\n");
duke@435 1926 fprintf(fp,
duke@435 1927 "//---------------------------State-------------------------------------------\n");
duke@435 1928 fprintf(fp,"// State contains an integral cost vector, indexed by machine operand opcodes,\n");
duke@435 1929 fprintf(fp,"// a rule vector consisting of machine operand/instruction opcodes, and also\n");
duke@435 1930 fprintf(fp,"// indexed by machine operand opcodes, pointers to the children in the label\n");
duke@435 1931 fprintf(fp,"// tree generated by the Label routines in ideal nodes (currently limited to\n");
duke@435 1932 fprintf(fp,"// two for convenience, but this could change).\n");
duke@435 1933 fprintf(fp,"class State : public ResourceObj {\n");
duke@435 1934 fprintf(fp,"public:\n");
duke@435 1935 fprintf(fp," int _id; // State identifier\n");
duke@435 1936 fprintf(fp," Node *_leaf; // Ideal (non-machine-node) leaf of match tree\n");
duke@435 1937 fprintf(fp," State *_kids[2]; // Children of state node in label tree\n");
duke@435 1938 fprintf(fp," unsigned int _cost[_LAST_MACH_OPER]; // Cost vector, indexed by operand opcodes\n");
duke@435 1939 fprintf(fp," unsigned int _rule[_LAST_MACH_OPER]; // Rule vector, indexed by operand opcodes\n");
duke@435 1940 fprintf(fp," unsigned int _valid[(_LAST_MACH_OPER/32)+1]; // Bit Map of valid Cost/Rule entries\n");
duke@435 1941 fprintf(fp,"\n");
duke@435 1942 fprintf(fp," State(void); // Constructor\n");
duke@435 1943 fprintf(fp," DEBUG_ONLY( ~State(void); ) // Destructor\n");
duke@435 1944 fprintf(fp,"\n");
duke@435 1945 fprintf(fp," // Methods created by ADLC and invoked by Reduce\n");
duke@435 1946 fprintf(fp," MachOper *MachOperGenerator( int opcode, Compile* C );\n");
duke@435 1947 fprintf(fp," MachNode *MachNodeGenerator( int opcode, Compile* C );\n");
duke@435 1948 fprintf(fp,"\n");
duke@435 1949 fprintf(fp," // Assign a state to a node, definition of method produced by ADLC\n");
duke@435 1950 fprintf(fp," bool DFA( int opcode, const Node *ideal );\n");
duke@435 1951 fprintf(fp,"\n");
duke@435 1952 fprintf(fp," // Access function for _valid bit vector\n");
duke@435 1953 fprintf(fp," bool valid(uint index) {\n");
duke@435 1954 fprintf(fp," return( STATE__VALID(index) != 0 );\n");
duke@435 1955 fprintf(fp," }\n");
duke@435 1956 fprintf(fp,"\n");
duke@435 1957 fprintf(fp," // Set function for _valid bit vector\n");
duke@435 1958 fprintf(fp," void set_valid(uint index) {\n");
duke@435 1959 fprintf(fp," STATE__SET_VALID(index);\n");
duke@435 1960 fprintf(fp," }\n");
duke@435 1961 fprintf(fp,"\n");
duke@435 1962 fprintf(fp,"#ifndef PRODUCT\n");
duke@435 1963 fprintf(fp," void dump(); // Debugging prints\n");
duke@435 1964 fprintf(fp," void dump(int depth);\n");
duke@435 1965 fprintf(fp,"#endif\n");
duke@435 1966 if (_dfa_small) {
duke@435 1967 // Generate the routine name we'll need
duke@435 1968 for (int i = 1; i < _last_opcode; i++) {
duke@435 1969 if (_mlistab[i] == NULL) continue;
duke@435 1970 fprintf(fp, " void _sub_Op_%s(const Node *n);\n", NodeClassNames[i]);
duke@435 1971 }
duke@435 1972 }
duke@435 1973 fprintf(fp,"};\n");
duke@435 1974 fprintf(fp,"\n");
duke@435 1975 fprintf(fp,"\n");
duke@435 1976
duke@435 1977 }
duke@435 1978
duke@435 1979
duke@435 1980 //---------------------------buildMachOperEnum---------------------------------
duke@435 1981 // Build enumeration for densely packed operands.
duke@435 1982 // This enumeration is used to index into the arrays in the State objects
duke@435 1983 // that indicate cost and a successfull rule match.
duke@435 1984
duke@435 1985 // Information needed to generate the ReduceOp mapping for the DFA
duke@435 1986 class OutputMachOperands : public OutputMap {
duke@435 1987 public:
duke@435 1988 OutputMachOperands(FILE *hpp, FILE *cpp, FormDict &globals, ArchDesc &AD)
duke@435 1989 : OutputMap(hpp, cpp, globals, AD) {};
duke@435 1990
duke@435 1991 void declaration() { }
duke@435 1992 void definition() { fprintf(_cpp, "enum MachOperands {\n"); }
duke@435 1993 void closing() { fprintf(_cpp, " _LAST_MACH_OPER\n");
duke@435 1994 OutputMap::closing();
duke@435 1995 }
duke@435 1996 void map(OpClassForm &opc) { fprintf(_cpp, " %s", _AD.machOperEnum(opc._ident) ); }
duke@435 1997 void map(OperandForm &oper) { fprintf(_cpp, " %s", _AD.machOperEnum(oper._ident) ); }
duke@435 1998 void map(char *name) { fprintf(_cpp, " %s", _AD.machOperEnum(name)); }
duke@435 1999
duke@435 2000 bool do_instructions() { return false; }
duke@435 2001 void map(InstructForm &inst){ assert( false, "ShouldNotCallThis()"); }
duke@435 2002 };
duke@435 2003
duke@435 2004
duke@435 2005 void ArchDesc::buildMachOperEnum(FILE *fp_hpp) {
duke@435 2006 // Construct the table for MachOpcodes
duke@435 2007 OutputMachOperands output_mach_operands(fp_hpp, fp_hpp, _globalNames, *this);
duke@435 2008 build_map(output_mach_operands);
duke@435 2009 }
duke@435 2010
duke@435 2011
duke@435 2012 //---------------------------buildMachEnum----------------------------------
duke@435 2013 // Build enumeration for all MachOpers and all MachNodes
duke@435 2014
duke@435 2015 // Information needed to generate the ReduceOp mapping for the DFA
duke@435 2016 class OutputMachOpcodes : public OutputMap {
duke@435 2017 int begin_inst_chain_rule;
duke@435 2018 int end_inst_chain_rule;
duke@435 2019 int begin_rematerialize;
duke@435 2020 int end_rematerialize;
duke@435 2021 int end_instructions;
duke@435 2022 public:
duke@435 2023 OutputMachOpcodes(FILE *hpp, FILE *cpp, FormDict &globals, ArchDesc &AD)
duke@435 2024 : OutputMap(hpp, cpp, globals, AD),
duke@435 2025 begin_inst_chain_rule(-1), end_inst_chain_rule(-1), end_instructions(-1)
duke@435 2026 {};
duke@435 2027
duke@435 2028 void declaration() { }
duke@435 2029 void definition() { fprintf(_cpp, "enum MachOpcodes {\n"); }
duke@435 2030 void closing() {
duke@435 2031 if( begin_inst_chain_rule != -1 )
duke@435 2032 fprintf(_cpp, " _BEGIN_INST_CHAIN_RULE = %d,\n", begin_inst_chain_rule);
duke@435 2033 if( end_inst_chain_rule != -1 )
duke@435 2034 fprintf(_cpp, " _END_INST_CHAIN_RULE = %d,\n", end_inst_chain_rule);
duke@435 2035 if( begin_rematerialize != -1 )
duke@435 2036 fprintf(_cpp, " _BEGIN_REMATERIALIZE = %d,\n", begin_rematerialize);
duke@435 2037 if( end_rematerialize != -1 )
duke@435 2038 fprintf(_cpp, " _END_REMATERIALIZE = %d,\n", end_rematerialize);
duke@435 2039 // always execute since do_instructions() is true, and avoids trailing comma
duke@435 2040 fprintf(_cpp, " _last_Mach_Node = %d \n", end_instructions);
duke@435 2041 OutputMap::closing();
duke@435 2042 }
duke@435 2043 void map(OpClassForm &opc) { fprintf(_cpp, " %s_rule", opc._ident ); }
duke@435 2044 void map(OperandForm &oper) { fprintf(_cpp, " %s_rule", oper._ident ); }
duke@435 2045 void map(char *name) { if (name) fprintf(_cpp, " %s_rule", name);
duke@435 2046 else fprintf(_cpp, " 0"); }
duke@435 2047 void map(InstructForm &inst) {fprintf(_cpp, " %s_rule", inst._ident ); }
duke@435 2048
duke@435 2049 void record_position(OutputMap::position place, int idx ) {
duke@435 2050 switch(place) {
duke@435 2051 case OutputMap::BEGIN_INST_CHAIN_RULES :
duke@435 2052 begin_inst_chain_rule = idx;
duke@435 2053 break;
duke@435 2054 case OutputMap::END_INST_CHAIN_RULES :
duke@435 2055 end_inst_chain_rule = idx;
duke@435 2056 break;
duke@435 2057 case OutputMap::BEGIN_REMATERIALIZE :
duke@435 2058 begin_rematerialize = idx;
duke@435 2059 break;
duke@435 2060 case OutputMap::END_REMATERIALIZE :
duke@435 2061 end_rematerialize = idx;
duke@435 2062 break;
duke@435 2063 case OutputMap::END_INSTRUCTIONS :
duke@435 2064 end_instructions = idx;
duke@435 2065 break;
duke@435 2066 default:
duke@435 2067 break;
duke@435 2068 }
duke@435 2069 }
duke@435 2070 };
duke@435 2071
duke@435 2072
duke@435 2073 void ArchDesc::buildMachOpcodesEnum(FILE *fp_hpp) {
duke@435 2074 // Construct the table for MachOpcodes
duke@435 2075 OutputMachOpcodes output_mach_opcodes(fp_hpp, fp_hpp, _globalNames, *this);
duke@435 2076 build_map(output_mach_opcodes);
duke@435 2077 }
duke@435 2078
duke@435 2079
duke@435 2080 // Generate an enumeration of the pipeline states, and both
duke@435 2081 // the functional units (resources) and the masks for
duke@435 2082 // specifying resources
duke@435 2083 void ArchDesc::build_pipeline_enums(FILE *fp_hpp) {
duke@435 2084 int stagelen = (int)strlen("undefined");
duke@435 2085 int stagenum = 0;
duke@435 2086
duke@435 2087 if (_pipeline) { // Find max enum string length
duke@435 2088 const char *stage;
duke@435 2089 for ( _pipeline->_stages.reset(); (stage = _pipeline->_stages.iter()) != NULL; ) {
duke@435 2090 int len = (int)strlen(stage);
duke@435 2091 if (stagelen < len) stagelen = len;
duke@435 2092 }
duke@435 2093 }
duke@435 2094
duke@435 2095 // Generate a list of stages
duke@435 2096 fprintf(fp_hpp, "\n");
duke@435 2097 fprintf(fp_hpp, "// Pipeline Stages\n");
duke@435 2098 fprintf(fp_hpp, "enum machPipelineStages {\n");
duke@435 2099 fprintf(fp_hpp, " stage_%-*s = 0,\n", stagelen, "undefined");
duke@435 2100
duke@435 2101 if( _pipeline ) {
duke@435 2102 const char *stage;
duke@435 2103 for ( _pipeline->_stages.reset(); (stage = _pipeline->_stages.iter()) != NULL; )
duke@435 2104 fprintf(fp_hpp, " stage_%-*s = %d,\n", stagelen, stage, ++stagenum);
duke@435 2105 }
duke@435 2106
duke@435 2107 fprintf(fp_hpp, " stage_%-*s = %d\n", stagelen, "count", stagenum);
duke@435 2108 fprintf(fp_hpp, "};\n");
duke@435 2109
duke@435 2110 fprintf(fp_hpp, "\n");
duke@435 2111 fprintf(fp_hpp, "// Pipeline Resources\n");
duke@435 2112 fprintf(fp_hpp, "enum machPipelineResources {\n");
duke@435 2113 int rescount = 0;
duke@435 2114
duke@435 2115 if( _pipeline ) {
duke@435 2116 const char *resource;
duke@435 2117 int reslen = 0;
duke@435 2118
duke@435 2119 // Generate a list of resources, and masks
duke@435 2120 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
duke@435 2121 int len = (int)strlen(resource);
duke@435 2122 if (reslen < len)
duke@435 2123 reslen = len;
duke@435 2124 }
duke@435 2125
duke@435 2126 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
duke@435 2127 const ResourceForm *resform = _pipeline->_resdict[resource]->is_resource();
duke@435 2128 int mask = resform->mask();
duke@435 2129 if ((mask & (mask-1)) == 0)
duke@435 2130 fprintf(fp_hpp, " resource_%-*s = %d,\n", reslen, resource, rescount++);
duke@435 2131 }
duke@435 2132 fprintf(fp_hpp, "\n");
duke@435 2133 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
duke@435 2134 const ResourceForm *resform = _pipeline->_resdict[resource]->is_resource();
duke@435 2135 fprintf(fp_hpp, " res_mask_%-*s = 0x%08x,\n", reslen, resource, resform->mask());
duke@435 2136 }
duke@435 2137 fprintf(fp_hpp, "\n");
duke@435 2138 }
duke@435 2139 fprintf(fp_hpp, " resource_count = %d\n", rescount);
duke@435 2140 fprintf(fp_hpp, "};\n");
duke@435 2141 }

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