src/share/vm/adlc/output_h.cpp

Tue, 09 Oct 2012 10:11:38 +0200

author
roland
date
Tue, 09 Oct 2012 10:11:38 +0200
changeset 4159
8e47bac5643a
parent 4037
da91efe96a93
child 4161
d336b3173277
permissions
-rw-r--r--

7054512: Compress class pointers after perm gen removal
Summary: support of compress class pointers in the compilers.
Reviewed-by: kvn, twisti

duke@435 1 /*
coleenp@4037 2 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. 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 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * 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 }
roland@4159 210 else if (!strcmp(type, "ConNKlass")) {
roland@4159 211 if (i > 0) fprintf(fp,", ");
roland@4159 212 fprintf(fp," const TypeNarrowKlass *_c%d;\n", i);
roland@4159 213 }
duke@435 214 else if (!strcmp(type, "ConL")) {
duke@435 215 if (i > 0) fprintf(fp,", ");
duke@435 216 fprintf(fp," jlong _c%d;\n", i);
duke@435 217 }
duke@435 218 else if (!strcmp(type, "ConF")) {
duke@435 219 if (i > 0) fprintf(fp,", ");
duke@435 220 fprintf(fp," jfloat _c%d;\n", i);
duke@435 221 }
duke@435 222 else if (!strcmp(type, "ConD")) {
duke@435 223 if (i > 0) fprintf(fp,", ");
duke@435 224 fprintf(fp," jdouble _c%d;\n", i);
duke@435 225 }
duke@435 226 else if (!strcmp(type, "Bool")) {
duke@435 227 fprintf(fp,"private:\n");
duke@435 228 fprintf(fp," BoolTest::mask _c%d;\n", i);
duke@435 229 fprintf(fp,"public:\n");
duke@435 230 }
duke@435 231 else {
duke@435 232 assert(0, "Non-constant operand lacks component list.");
duke@435 233 }
duke@435 234 } // end if NULL
duke@435 235 else {
duke@435 236 oper->_components.reset();
duke@435 237 while ((comp = oper->_components.iter()) != NULL) {
duke@435 238 if (!strcmp(comp->base_type(globals), "ConI")) {
duke@435 239 fprintf(fp," jint _c%d;\n", i);
duke@435 240 i++;
duke@435 241 }
duke@435 242 else if (!strcmp(comp->base_type(globals), "ConP")) {
duke@435 243 fprintf(fp," const TypePtr *_c%d;\n", i);
duke@435 244 i++;
duke@435 245 }
coleenp@548 246 else if (!strcmp(comp->base_type(globals), "ConN")) {
coleenp@548 247 fprintf(fp," const TypePtr *_c%d;\n", i);
coleenp@548 248 i++;
coleenp@548 249 }
roland@4159 250 else if (!strcmp(comp->base_type(globals), "ConNKlass")) {
roland@4159 251 fprintf(fp," const TypePtr *_c%d;\n", i);
roland@4159 252 i++;
roland@4159 253 }
duke@435 254 else if (!strcmp(comp->base_type(globals), "ConL")) {
duke@435 255 fprintf(fp," jlong _c%d;\n", i);
duke@435 256 i++;
duke@435 257 }
duke@435 258 else if (!strcmp(comp->base_type(globals), "ConF")) {
duke@435 259 fprintf(fp," jfloat _c%d;\n", i);
duke@435 260 i++;
duke@435 261 }
duke@435 262 else if (!strcmp(comp->base_type(globals), "ConD")) {
duke@435 263 fprintf(fp," jdouble _c%d;\n", i);
duke@435 264 i++;
duke@435 265 }
duke@435 266 }
duke@435 267 }
duke@435 268 }
duke@435 269
duke@435 270 // Declare constructor.
duke@435 271 // Parameters start with condition code, then all other constants
duke@435 272 //
duke@435 273 // (0) public:
duke@435 274 // (1) MachXOper(int32 ccode, int32 c0, int32 c1, ..., int32 cn)
duke@435 275 // (2) : _ccode(ccode), _c0(c0), _c1(c1), ..., _cn(cn) { }
duke@435 276 //
duke@435 277 static void defineConstructor(FILE *fp, const char *name, uint num_consts,
duke@435 278 ComponentList &lst, bool is_ideal_bool,
duke@435 279 Form::DataType constant_type, FormDict &globals) {
duke@435 280 fprintf(fp,"public:\n");
duke@435 281 // generate line (1)
duke@435 282 fprintf(fp," %sOper(", name);
duke@435 283 if( num_consts == 0 ) {
duke@435 284 fprintf(fp,") {}\n");
duke@435 285 return;
duke@435 286 }
duke@435 287
duke@435 288 // generate parameters for constants
duke@435 289 uint i = 0;
duke@435 290 Component *comp;
duke@435 291 lst.reset();
duke@435 292 if ((comp = lst.iter()) == NULL) {
duke@435 293 assert(num_consts == 1, "Bad component list detected.\n");
duke@435 294 switch( constant_type ) {
duke@435 295 case Form::idealI : {
duke@435 296 fprintf(fp,is_ideal_bool ? "BoolTest::mask c%d" : "int32 c%d", i);
duke@435 297 break;
duke@435 298 }
roland@4159 299 case Form::idealN : { fprintf(fp,"const TypeNarrowOop *c%d", i); break; }
roland@4159 300 case Form::idealNKlass : { fprintf(fp,"const TypeNarrowKlass *c%d", i); break; }
roland@4159 301 case Form::idealP : { fprintf(fp,"const TypePtr *c%d", i); break; }
roland@4159 302 case Form::idealL : { fprintf(fp,"jlong c%d", i); break; }
roland@4159 303 case Form::idealF : { fprintf(fp,"jfloat c%d", i); break; }
roland@4159 304 case Form::idealD : { fprintf(fp,"jdouble c%d", i); break; }
duke@435 305 default:
duke@435 306 assert(!is_ideal_bool, "Non-constant operand lacks component list.");
duke@435 307 break;
duke@435 308 }
duke@435 309 } // end if NULL
duke@435 310 else {
duke@435 311 lst.reset();
duke@435 312 while((comp = lst.iter()) != NULL) {
duke@435 313 if (!strcmp(comp->base_type(globals), "ConI")) {
duke@435 314 if (i > 0) fprintf(fp,", ");
duke@435 315 fprintf(fp,"int32 c%d", i);
duke@435 316 i++;
duke@435 317 }
duke@435 318 else if (!strcmp(comp->base_type(globals), "ConP")) {
duke@435 319 if (i > 0) fprintf(fp,", ");
duke@435 320 fprintf(fp,"const TypePtr *c%d", i);
duke@435 321 i++;
duke@435 322 }
coleenp@548 323 else if (!strcmp(comp->base_type(globals), "ConN")) {
coleenp@548 324 if (i > 0) fprintf(fp,", ");
coleenp@548 325 fprintf(fp,"const TypePtr *c%d", i);
coleenp@548 326 i++;
coleenp@548 327 }
roland@4159 328 else if (!strcmp(comp->base_type(globals), "ConNKlass")) {
roland@4159 329 if (i > 0) fprintf(fp,", ");
roland@4159 330 fprintf(fp,"const TypePtr *c%d", i);
roland@4159 331 i++;
roland@4159 332 }
duke@435 333 else if (!strcmp(comp->base_type(globals), "ConL")) {
duke@435 334 if (i > 0) fprintf(fp,", ");
duke@435 335 fprintf(fp,"jlong c%d", i);
duke@435 336 i++;
duke@435 337 }
duke@435 338 else if (!strcmp(comp->base_type(globals), "ConF")) {
duke@435 339 if (i > 0) fprintf(fp,", ");
duke@435 340 fprintf(fp,"jfloat c%d", i);
duke@435 341 i++;
duke@435 342 }
duke@435 343 else if (!strcmp(comp->base_type(globals), "ConD")) {
duke@435 344 if (i > 0) fprintf(fp,", ");
duke@435 345 fprintf(fp,"jdouble c%d", i);
duke@435 346 i++;
duke@435 347 }
duke@435 348 else if (!strcmp(comp->base_type(globals), "Bool")) {
duke@435 349 if (i > 0) fprintf(fp,", ");
duke@435 350 fprintf(fp,"BoolTest::mask c%d", i);
duke@435 351 i++;
duke@435 352 }
duke@435 353 }
duke@435 354 }
duke@435 355 // finish line (1) and start line (2)
duke@435 356 fprintf(fp,") : ");
duke@435 357 // generate initializers for constants
duke@435 358 i = 0;
duke@435 359 fprintf(fp,"_c%d(c%d)", i, i);
duke@435 360 for( i = 1; i < num_consts; ++i) {
duke@435 361 fprintf(fp,", _c%d(c%d)", i, i);
duke@435 362 }
duke@435 363 // The body for the constructor is empty
duke@435 364 fprintf(fp," {}\n");
duke@435 365 }
duke@435 366
duke@435 367 // ---------------------------------------------------------------------------
duke@435 368 // Utilities to generate format rules for machine operands and instructions
duke@435 369 // ---------------------------------------------------------------------------
duke@435 370
duke@435 371 // Generate the format rule for condition codes
never@850 372 static void defineCCodeDump(OperandForm* oper, FILE *fp, int i) {
never@850 373 assert(oper != NULL, "what");
never@850 374 CondInterface* cond = oper->_interface->is_CondInterface();
never@850 375 fprintf(fp, " if( _c%d == BoolTest::eq ) st->print(\"%s\");\n",i,cond->_equal_format);
never@850 376 fprintf(fp, " else if( _c%d == BoolTest::ne ) st->print(\"%s\");\n",i,cond->_not_equal_format);
never@850 377 fprintf(fp, " else if( _c%d == BoolTest::le ) st->print(\"%s\");\n",i,cond->_less_equal_format);
never@850 378 fprintf(fp, " else if( _c%d == BoolTest::ge ) st->print(\"%s\");\n",i,cond->_greater_equal_format);
never@850 379 fprintf(fp, " else if( _c%d == BoolTest::lt ) st->print(\"%s\");\n",i,cond->_less_format);
never@850 380 fprintf(fp, " else if( _c%d == BoolTest::gt ) st->print(\"%s\");\n",i,cond->_greater_format);
duke@435 381 }
duke@435 382
duke@435 383 // Output code that dumps constant values, increment "i" if type is constant
never@850 384 static uint dump_spec_constant(FILE *fp, const char *ideal_type, uint i, OperandForm* oper) {
duke@435 385 if (!strcmp(ideal_type, "ConI")) {
duke@435 386 fprintf(fp," st->print(\"#%%d\", _c%d);\n", i);
duke@435 387 ++i;
duke@435 388 }
duke@435 389 else if (!strcmp(ideal_type, "ConP")) {
duke@435 390 fprintf(fp," _c%d->dump_on(st);\n", i);
duke@435 391 ++i;
duke@435 392 }
coleenp@548 393 else if (!strcmp(ideal_type, "ConN")) {
never@852 394 fprintf(fp," _c%d->dump_on(st);\n", i);
coleenp@548 395 ++i;
coleenp@548 396 }
roland@4159 397 else if (!strcmp(ideal_type, "ConNKlass")) {
roland@4159 398 fprintf(fp," _c%d->dump_on(st);\n", i);
roland@4159 399 ++i;
roland@4159 400 }
duke@435 401 else if (!strcmp(ideal_type, "ConL")) {
duke@435 402 fprintf(fp," st->print(\"#\" INT64_FORMAT, _c%d);\n", i);
duke@435 403 ++i;
duke@435 404 }
duke@435 405 else if (!strcmp(ideal_type, "ConF")) {
duke@435 406 fprintf(fp," st->print(\"#%%f\", _c%d);\n", i);
duke@435 407 ++i;
duke@435 408 }
duke@435 409 else if (!strcmp(ideal_type, "ConD")) {
duke@435 410 fprintf(fp," st->print(\"#%%f\", _c%d);\n", i);
duke@435 411 ++i;
duke@435 412 }
duke@435 413 else if (!strcmp(ideal_type, "Bool")) {
never@850 414 defineCCodeDump(oper, fp,i);
duke@435 415 ++i;
duke@435 416 }
duke@435 417
duke@435 418 return i;
duke@435 419 }
duke@435 420
duke@435 421 // Generate the format rule for an operand
duke@435 422 void gen_oper_format(FILE *fp, FormDict &globals, OperandForm &oper, bool for_c_file = false) {
duke@435 423 if (!for_c_file) {
duke@435 424 // invoked after output #ifndef PRODUCT to ad_<arch>.hpp
duke@435 425 // compile the bodies separately, to cut down on recompilations
duke@435 426 fprintf(fp," virtual void int_format(PhaseRegAlloc *ra, const MachNode *node, outputStream *st) const;\n");
duke@435 427 fprintf(fp," virtual void ext_format(PhaseRegAlloc *ra, const MachNode *node, int idx, outputStream *st) const;\n");
duke@435 428 return;
duke@435 429 }
duke@435 430
duke@435 431 // Local pointer indicates remaining part of format rule
duke@435 432 uint idx = 0; // position of operand in match rule
duke@435 433
duke@435 434 // Generate internal format function, used when stored locally
duke@435 435 fprintf(fp, "\n#ifndef PRODUCT\n");
duke@435 436 fprintf(fp,"void %sOper::int_format(PhaseRegAlloc *ra, const MachNode *node, outputStream *st) const {\n", oper._ident);
duke@435 437 // Generate the user-defined portion of the format
duke@435 438 if (oper._format) {
duke@435 439 if ( oper._format->_strings.count() != 0 ) {
duke@435 440 // No initialization code for int_format
duke@435 441
duke@435 442 // Build the format from the entries in strings and rep_vars
duke@435 443 const char *string = NULL;
duke@435 444 oper._format->_rep_vars.reset();
duke@435 445 oper._format->_strings.reset();
duke@435 446 while ( (string = oper._format->_strings.iter()) != NULL ) {
duke@435 447 fprintf(fp," ");
duke@435 448
duke@435 449 // Check if this is a standard string or a replacement variable
duke@435 450 if ( string != NameList::_signal ) {
duke@435 451 // Normal string
duke@435 452 // Pass through to st->print
duke@435 453 fprintf(fp,"st->print(\"%s\");\n", string);
duke@435 454 } else {
duke@435 455 // Replacement variable
duke@435 456 const char *rep_var = oper._format->_rep_vars.iter();
duke@435 457 // Check that it is a local name, and an operand
coleenp@548 458 const Form* form = oper._localNames[rep_var];
coleenp@548 459 if (form == NULL) {
coleenp@548 460 globalAD->syntax_err(oper._linenum,
coleenp@548 461 "\'%s\' not found in format for %s\n", rep_var, oper._ident);
coleenp@548 462 assert(form, "replacement variable was not found in local names");
coleenp@548 463 }
coleenp@548 464 OperandForm *op = form->is_operand();
duke@435 465 // Get index if register or constant
duke@435 466 if ( op->_matrule && op->_matrule->is_base_register(globals) ) {
duke@435 467 idx = oper.register_position( globals, rep_var);
duke@435 468 }
duke@435 469 else if (op->_matrule && op->_matrule->is_base_constant(globals)) {
duke@435 470 idx = oper.constant_position( globals, rep_var);
duke@435 471 } else {
duke@435 472 idx = 0;
duke@435 473 }
duke@435 474
duke@435 475 // output invocation of "$..."s format function
duke@435 476 if ( op != NULL ) op->int_format(fp, globals, idx);
duke@435 477
duke@435 478 if ( idx == -1 ) {
duke@435 479 fprintf(stderr,
duke@435 480 "Using a name, %s, that isn't in match rule\n", rep_var);
duke@435 481 assert( strcmp(op->_ident,"label")==0, "Unimplemented");
duke@435 482 }
duke@435 483 } // Done with a replacement variable
duke@435 484 } // Done with all format strings
duke@435 485 } else {
duke@435 486 // Default formats for base operands (RegI, RegP, ConI, ConP, ...)
duke@435 487 oper.int_format(fp, globals, 0);
duke@435 488 }
duke@435 489
duke@435 490 } else { // oper._format == NULL
duke@435 491 // Provide a few special case formats where the AD writer cannot.
duke@435 492 if ( strcmp(oper._ident,"Universe")==0 ) {
duke@435 493 fprintf(fp, " st->print(\"$$univ\");\n");
duke@435 494 }
duke@435 495 // labelOper::int_format is defined in ad_<...>.cpp
duke@435 496 }
duke@435 497 // ALWAYS! Provide a special case output for condition codes.
duke@435 498 if( oper.is_ideal_bool() ) {
never@850 499 defineCCodeDump(&oper, fp,0);
duke@435 500 }
duke@435 501 fprintf(fp,"}\n");
duke@435 502
duke@435 503 // Generate external format function, when data is stored externally
duke@435 504 fprintf(fp,"void %sOper::ext_format(PhaseRegAlloc *ra, const MachNode *node, int idx, outputStream *st) const {\n", oper._ident);
duke@435 505 // Generate the user-defined portion of the format
duke@435 506 if (oper._format) {
duke@435 507 if ( oper._format->_strings.count() != 0 ) {
duke@435 508
duke@435 509 // Check for a replacement string "$..."
duke@435 510 if ( oper._format->_rep_vars.count() != 0 ) {
duke@435 511 // Initialization code for ext_format
duke@435 512 }
duke@435 513
duke@435 514 // Build the format from the entries in strings and rep_vars
duke@435 515 const char *string = NULL;
duke@435 516 oper._format->_rep_vars.reset();
duke@435 517 oper._format->_strings.reset();
duke@435 518 while ( (string = oper._format->_strings.iter()) != NULL ) {
duke@435 519 fprintf(fp," ");
duke@435 520
duke@435 521 // Check if this is a standard string or a replacement variable
duke@435 522 if ( string != NameList::_signal ) {
duke@435 523 // Normal string
duke@435 524 // Pass through to st->print
duke@435 525 fprintf(fp,"st->print(\"%s\");\n", string);
duke@435 526 } else {
duke@435 527 // Replacement variable
duke@435 528 const char *rep_var = oper._format->_rep_vars.iter();
coleenp@548 529 // Check that it is a local name, and an operand
coleenp@548 530 const Form* form = oper._localNames[rep_var];
coleenp@548 531 if (form == NULL) {
coleenp@548 532 globalAD->syntax_err(oper._linenum,
coleenp@548 533 "\'%s\' not found in format for %s\n", rep_var, oper._ident);
coleenp@548 534 assert(form, "replacement variable was not found in local names");
coleenp@548 535 }
coleenp@548 536 OperandForm *op = form->is_operand();
duke@435 537 // Get index if register or constant
duke@435 538 if ( op->_matrule && op->_matrule->is_base_register(globals) ) {
duke@435 539 idx = oper.register_position( globals, rep_var);
duke@435 540 }
duke@435 541 else if (op->_matrule && op->_matrule->is_base_constant(globals)) {
duke@435 542 idx = oper.constant_position( globals, rep_var);
duke@435 543 } else {
duke@435 544 idx = 0;
duke@435 545 }
duke@435 546 // output invocation of "$..."s format function
duke@435 547 if ( op != NULL ) op->ext_format(fp, globals, idx);
duke@435 548
duke@435 549 // Lookup the index position of the replacement variable
duke@435 550 idx = oper._components.operand_position_format(rep_var);
duke@435 551 if ( idx == -1 ) {
duke@435 552 fprintf(stderr,
duke@435 553 "Using a name, %s, that isn't in match rule\n", rep_var);
duke@435 554 assert( strcmp(op->_ident,"label")==0, "Unimplemented");
duke@435 555 }
duke@435 556 } // Done with a replacement variable
duke@435 557 } // Done with all format strings
duke@435 558
duke@435 559 } else {
duke@435 560 // Default formats for base operands (RegI, RegP, ConI, ConP, ...)
duke@435 561 oper.ext_format(fp, globals, 0);
duke@435 562 }
duke@435 563 } else { // oper._format == NULL
duke@435 564 // Provide a few special case formats where the AD writer cannot.
duke@435 565 if ( strcmp(oper._ident,"Universe")==0 ) {
duke@435 566 fprintf(fp, " st->print(\"$$univ\");\n");
duke@435 567 }
duke@435 568 // labelOper::ext_format is defined in ad_<...>.cpp
duke@435 569 }
duke@435 570 // ALWAYS! Provide a special case output for condition codes.
duke@435 571 if( oper.is_ideal_bool() ) {
never@850 572 defineCCodeDump(&oper, fp,0);
duke@435 573 }
duke@435 574 fprintf(fp, "}\n");
duke@435 575 fprintf(fp, "#endif\n");
duke@435 576 }
duke@435 577
duke@435 578
duke@435 579 // Generate the format rule for an instruction
duke@435 580 void gen_inst_format(FILE *fp, FormDict &globals, InstructForm &inst, bool for_c_file = false) {
duke@435 581 if (!for_c_file) {
duke@435 582 // compile the bodies separately, to cut down on recompilations
duke@435 583 // #ifndef PRODUCT region generated by caller
duke@435 584 fprintf(fp," virtual void format(PhaseRegAlloc *ra, outputStream *st) const;\n");
duke@435 585 return;
duke@435 586 }
duke@435 587
duke@435 588 // Define the format function
duke@435 589 fprintf(fp, "#ifndef PRODUCT\n");
duke@435 590 fprintf(fp, "void %sNode::format(PhaseRegAlloc *ra, outputStream *st) const {\n", inst._ident);
duke@435 591
duke@435 592 // Generate the user-defined portion of the format
duke@435 593 if( inst._format ) {
duke@435 594 // If there are replacement variables,
twisti@1040 595 // Generate index values needed for determining the operand position
duke@435 596 if( inst._format->_rep_vars.count() )
duke@435 597 inst.index_temps(fp, globals);
duke@435 598
duke@435 599 // Build the format from the entries in strings and rep_vars
duke@435 600 const char *string = NULL;
duke@435 601 inst._format->_rep_vars.reset();
duke@435 602 inst._format->_strings.reset();
duke@435 603 while( (string = inst._format->_strings.iter()) != NULL ) {
duke@435 604 fprintf(fp," ");
duke@435 605 // Check if this is a standard string or a replacement variable
never@850 606 if( string == NameList::_signal ) { // Replacement variable
never@850 607 const char* rep_var = inst._format->_rep_vars.iter();
never@850 608 inst.rep_var_format( fp, rep_var);
never@850 609 } else if( string == NameList::_signal3 ) { // Replacement variable in raw text
never@850 610 const char* rep_var = inst._format->_rep_vars.iter();
never@850 611 const Form *form = inst._localNames[rep_var];
never@850 612 if (form == NULL) {
never@850 613 fprintf(stderr, "unknown replacement variable in format statement: '%s'\n", rep_var);
never@850 614 assert(false, "ShouldNotReachHere()");
never@850 615 }
never@850 616 OpClassForm *opc = form->is_opclass();
never@850 617 assert( opc, "replacement variable was not found in local names");
never@850 618 // Lookup the index position of the replacement variable
never@850 619 int idx = inst.operand_position_format(rep_var);
never@850 620 if ( idx == -1 ) {
never@850 621 assert( strcmp(opc->_ident,"label")==0, "Unimplemented");
never@850 622 assert( false, "ShouldNotReachHere()");
never@850 623 }
never@850 624
never@850 625 if (inst.is_noninput_operand(idx)) {
never@850 626 assert( false, "ShouldNotReachHere()");
never@850 627 } else {
never@850 628 // Output the format call for this operand
never@850 629 fprintf(fp,"opnd_array(%d)",idx);
never@850 630 }
never@850 631 rep_var = inst._format->_rep_vars.iter();
never@850 632 inst._format->_strings.iter();
never@850 633 if ( strcmp(rep_var,"$constant") == 0 && opc->is_operand()) {
never@850 634 Form::DataType constant_type = form->is_operand()->is_base_constant(globals);
never@850 635 if ( constant_type == Form::idealD ) {
never@850 636 fprintf(fp,"->constantD()");
never@850 637 } else if ( constant_type == Form::idealF ) {
never@850 638 fprintf(fp,"->constantF()");
never@850 639 } else if ( constant_type == Form::idealL ) {
never@850 640 fprintf(fp,"->constantL()");
never@850 641 } else {
never@850 642 fprintf(fp,"->constant()");
never@850 643 }
never@850 644 } else if ( strcmp(rep_var,"$cmpcode") == 0) {
never@850 645 fprintf(fp,"->ccode()");
never@850 646 } else {
never@850 647 assert( false, "ShouldNotReachHere()");
never@850 648 }
never@850 649 } else if( string == NameList::_signal2 ) // Raw program text
never@850 650 fputs(inst._format->_strings.iter(), fp);
never@850 651 else
duke@435 652 fprintf(fp,"st->print(\"%s\");\n", string);
duke@435 653 } // Done with all format strings
duke@435 654 } // Done generating the user-defined portion of the format
duke@435 655
duke@435 656 // Add call debug info automatically
duke@435 657 Form::CallType call_type = inst.is_ideal_call();
duke@435 658 if( call_type != Form::invalid_type ) {
duke@435 659 switch( call_type ) {
duke@435 660 case Form::JAVA_DYNAMIC:
duke@435 661 fprintf(fp," _method->print_short_name();\n");
duke@435 662 break;
duke@435 663 case Form::JAVA_STATIC:
duke@435 664 fprintf(fp," if( _method ) _method->print_short_name(st); else st->print(\" wrapper for: %%s\", _name);\n");
duke@435 665 fprintf(fp," if( !_method ) dump_trap_args(st);\n");
duke@435 666 break;
duke@435 667 case Form::JAVA_COMPILED:
duke@435 668 case Form::JAVA_INTERP:
duke@435 669 break;
duke@435 670 case Form::JAVA_RUNTIME:
duke@435 671 case Form::JAVA_LEAF:
duke@435 672 case Form::JAVA_NATIVE:
duke@435 673 fprintf(fp," st->print(\" %%s\", _name);");
duke@435 674 break;
duke@435 675 default:
duke@435 676 assert(0,"ShouldNotReacHere");
duke@435 677 }
duke@435 678 fprintf(fp, " st->print_cr(\"\");\n" );
duke@435 679 fprintf(fp, " if (_jvms) _jvms->format(ra, this, st); else st->print_cr(\" No JVM State Info\");\n" );
duke@435 680 fprintf(fp, " st->print(\" # \");\n" );
duke@435 681 fprintf(fp, " if( _jvms ) _oop_map->print_on(st);\n");
duke@435 682 }
duke@435 683 else if(inst.is_ideal_safepoint()) {
duke@435 684 fprintf(fp, " st->print(\"\");\n" );
duke@435 685 fprintf(fp, " if (_jvms) _jvms->format(ra, this, st); else st->print_cr(\" No JVM State Info\");\n" );
duke@435 686 fprintf(fp, " st->print(\" # \");\n" );
duke@435 687 fprintf(fp, " if( _jvms ) _oop_map->print_on(st);\n");
duke@435 688 }
duke@435 689 else if( inst.is_ideal_if() ) {
duke@435 690 fprintf(fp, " st->print(\" P=%%f C=%%f\",_prob,_fcnt);\n" );
duke@435 691 }
duke@435 692 else if( inst.is_ideal_mem() ) {
duke@435 693 // Print out the field name if available to improve readability
duke@435 694 fprintf(fp, " if (ra->C->alias_type(adr_type())->field() != NULL) {\n");
twisti@3969 695 fprintf(fp, " ciField* f = ra->C->alias_type(adr_type())->field();\n");
twisti@3969 696 fprintf(fp, " st->print(\" ! Field: \");\n");
twisti@3969 697 fprintf(fp, " if (f->is_volatile())\n");
twisti@3969 698 fprintf(fp, " st->print(\"volatile \");\n");
twisti@3969 699 fprintf(fp, " f->holder()->name()->print_symbol_on(st);\n");
duke@435 700 fprintf(fp, " st->print(\".\");\n");
twisti@3969 701 fprintf(fp, " f->name()->print_symbol_on(st);\n");
twisti@3969 702 fprintf(fp, " if (f->is_constant())\n");
twisti@3969 703 fprintf(fp, " st->print(\" (constant)\");\n");
duke@435 704 fprintf(fp, " } else\n");
duke@435 705 // Make sure 'Volatile' gets printed out
twisti@3969 706 fprintf(fp, " if (ra->C->alias_type(adr_type())->is_volatile())\n");
twisti@3969 707 fprintf(fp, " st->print(\" volatile!\");\n");
duke@435 708 }
duke@435 709
duke@435 710 // Complete the definition of the format function
duke@435 711 fprintf(fp, " }\n#endif\n");
duke@435 712 }
duke@435 713
duke@435 714 static bool is_non_constant(char* x) {
duke@435 715 // Tells whether the string (part of an operator interface) is non-constant.
duke@435 716 // Simply detect whether there is an occurrence of a formal parameter,
duke@435 717 // which will always begin with '$'.
duke@435 718 return strchr(x, '$') == 0;
duke@435 719 }
duke@435 720
duke@435 721 void ArchDesc::declare_pipe_classes(FILE *fp_hpp) {
duke@435 722 if (!_pipeline)
duke@435 723 return;
duke@435 724
duke@435 725 fprintf(fp_hpp, "\n");
duke@435 726 fprintf(fp_hpp, "// Pipeline_Use_Cycle_Mask Class\n");
duke@435 727 fprintf(fp_hpp, "class Pipeline_Use_Cycle_Mask {\n");
duke@435 728
duke@435 729 if (_pipeline->_maxcycleused <=
duke@435 730 #ifdef SPARC
duke@435 731 64
duke@435 732 #else
duke@435 733 32
duke@435 734 #endif
duke@435 735 ) {
duke@435 736 fprintf(fp_hpp, "protected:\n");
duke@435 737 fprintf(fp_hpp, " %s _mask;\n\n", _pipeline->_maxcycleused <= 32 ? "uint" : "uint64_t" );
duke@435 738 fprintf(fp_hpp, "public:\n");
duke@435 739 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask() : _mask(0) {}\n\n");
duke@435 740 if (_pipeline->_maxcycleused <= 32)
duke@435 741 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint mask) : _mask(mask) {}\n\n");
duke@435 742 else {
duke@435 743 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint mask1, uint mask2) : _mask((((uint64_t)mask1) << 32) | mask2) {}\n\n");
duke@435 744 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(uint64_t mask) : _mask(mask) {}\n\n");
duke@435 745 }
duke@435 746 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator=(const Pipeline_Use_Cycle_Mask &in) {\n");
duke@435 747 fprintf(fp_hpp, " _mask = in._mask;\n");
duke@435 748 fprintf(fp_hpp, " return *this;\n");
duke@435 749 fprintf(fp_hpp, " }\n\n");
duke@435 750 fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Cycle_Mask &in2) const {\n");
duke@435 751 fprintf(fp_hpp, " return ((_mask & in2._mask) != 0);\n");
duke@435 752 fprintf(fp_hpp, " }\n\n");
duke@435 753 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator<<=(int n) {\n");
duke@435 754 fprintf(fp_hpp, " _mask <<= n;\n");
duke@435 755 fprintf(fp_hpp, " return *this;\n");
duke@435 756 fprintf(fp_hpp, " }\n\n");
duke@435 757 fprintf(fp_hpp, " void Or(const Pipeline_Use_Cycle_Mask &in2) {\n");
duke@435 758 fprintf(fp_hpp, " _mask |= in2._mask;\n");
duke@435 759 fprintf(fp_hpp, " }\n\n");
duke@435 760 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator&(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n");
duke@435 761 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator|(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n\n");
duke@435 762 }
duke@435 763 else {
duke@435 764 fprintf(fp_hpp, "protected:\n");
duke@435 765 uint masklen = (_pipeline->_maxcycleused + 31) >> 5;
duke@435 766 uint l;
duke@435 767 fprintf(fp_hpp, " uint ");
duke@435 768 for (l = 1; l <= masklen; l++)
duke@435 769 fprintf(fp_hpp, "_mask%d%s", l, l < masklen ? ", " : ";\n\n");
duke@435 770 fprintf(fp_hpp, "public:\n");
duke@435 771 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask() : ");
duke@435 772 for (l = 1; l <= masklen; l++)
duke@435 773 fprintf(fp_hpp, "_mask%d(0)%s", l, l < masklen ? ", " : " {}\n\n");
duke@435 774 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask(");
duke@435 775 for (l = 1; l <= masklen; l++)
duke@435 776 fprintf(fp_hpp, "uint mask%d%s", l, l < masklen ? ", " : ") : ");
duke@435 777 for (l = 1; l <= masklen; l++)
duke@435 778 fprintf(fp_hpp, "_mask%d(mask%d)%s", l, l, l < masklen ? ", " : " {}\n\n");
duke@435 779
duke@435 780 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator=(const Pipeline_Use_Cycle_Mask &in) {\n");
duke@435 781 for (l = 1; l <= masklen; l++)
duke@435 782 fprintf(fp_hpp, " _mask%d = in._mask%d;\n", l, l);
duke@435 783 fprintf(fp_hpp, " return *this;\n");
duke@435 784 fprintf(fp_hpp, " }\n\n");
duke@435 785 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask intersect(const Pipeline_Use_Cycle_Mask &in2) {\n");
duke@435 786 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask out;\n");
duke@435 787 for (l = 1; l <= masklen; l++)
duke@435 788 fprintf(fp_hpp, " out._mask%d = _mask%d & in2._mask%d;\n", l, l, l);
duke@435 789 fprintf(fp_hpp, " return out;\n");
duke@435 790 fprintf(fp_hpp, " }\n\n");
duke@435 791 fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Cycle_Mask &in2) const {\n");
duke@435 792 fprintf(fp_hpp, " return (");
duke@435 793 for (l = 1; l <= masklen; l++)
duke@435 794 fprintf(fp_hpp, "((_mask%d & in2._mask%d) != 0)%s", l, l, l < masklen ? " || " : "");
duke@435 795 fprintf(fp_hpp, ") ? true : false;\n");
duke@435 796 fprintf(fp_hpp, " }\n\n");
duke@435 797 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask& operator<<=(int n) {\n");
duke@435 798 fprintf(fp_hpp, " if (n >= 32)\n");
duke@435 799 fprintf(fp_hpp, " do {\n ");
duke@435 800 for (l = masklen; l > 1; l--)
duke@435 801 fprintf(fp_hpp, " _mask%d = _mask%d;", l, l-1);
duke@435 802 fprintf(fp_hpp, " _mask%d = 0;\n", 1);
duke@435 803 fprintf(fp_hpp, " } while ((n -= 32) >= 32);\n\n");
duke@435 804 fprintf(fp_hpp, " if (n > 0) {\n");
duke@435 805 fprintf(fp_hpp, " uint m = 32 - n;\n");
duke@435 806 fprintf(fp_hpp, " uint mask = (1 << n) - 1;\n");
duke@435 807 fprintf(fp_hpp, " uint temp%d = mask & (_mask%d >> m); _mask%d <<= n;\n", 2, 1, 1);
duke@435 808 for (l = 2; l < masklen; l++) {
duke@435 809 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@435 810 }
duke@435 811 fprintf(fp_hpp, " _mask%d <<= n; _mask%d |= temp%d;\n", masklen, masklen, masklen);
duke@435 812 fprintf(fp_hpp, " }\n");
duke@435 813
duke@435 814 fprintf(fp_hpp, " return *this;\n");
duke@435 815 fprintf(fp_hpp, " }\n\n");
duke@435 816 fprintf(fp_hpp, " void Or(const Pipeline_Use_Cycle_Mask &);\n\n");
duke@435 817 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator&(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n");
duke@435 818 fprintf(fp_hpp, " friend Pipeline_Use_Cycle_Mask operator|(const Pipeline_Use_Cycle_Mask &, const Pipeline_Use_Cycle_Mask &);\n\n");
duke@435 819 }
duke@435 820
duke@435 821 fprintf(fp_hpp, " friend class Pipeline_Use;\n\n");
duke@435 822 fprintf(fp_hpp, " friend class Pipeline_Use_Element;\n\n");
duke@435 823 fprintf(fp_hpp, "};\n\n");
duke@435 824
duke@435 825 uint rescount = 0;
duke@435 826 const char *resource;
duke@435 827
duke@435 828 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
duke@435 829 int mask = _pipeline->_resdict[resource]->is_resource()->mask();
duke@435 830 if ((mask & (mask-1)) == 0)
duke@435 831 rescount++;
duke@435 832 }
duke@435 833
duke@435 834 fprintf(fp_hpp, "// Pipeline_Use_Element Class\n");
duke@435 835 fprintf(fp_hpp, "class Pipeline_Use_Element {\n");
duke@435 836 fprintf(fp_hpp, "protected:\n");
duke@435 837 fprintf(fp_hpp, " // Mask of used functional units\n");
duke@435 838 fprintf(fp_hpp, " uint _used;\n\n");
duke@435 839 fprintf(fp_hpp, " // Lower and upper bound of functional unit number range\n");
duke@435 840 fprintf(fp_hpp, " uint _lb, _ub;\n\n");
duke@435 841 fprintf(fp_hpp, " // Indicates multiple functionals units available\n");
duke@435 842 fprintf(fp_hpp, " bool _multiple;\n\n");
duke@435 843 fprintf(fp_hpp, " // Mask of specific used cycles\n");
duke@435 844 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask _mask;\n\n");
duke@435 845 fprintf(fp_hpp, "public:\n");
duke@435 846 fprintf(fp_hpp, " Pipeline_Use_Element() {}\n\n");
duke@435 847 fprintf(fp_hpp, " Pipeline_Use_Element(uint used, uint lb, uint ub, bool multiple, Pipeline_Use_Cycle_Mask mask)\n");
duke@435 848 fprintf(fp_hpp, " : _used(used), _lb(lb), _ub(ub), _multiple(multiple), _mask(mask) {}\n\n");
duke@435 849 fprintf(fp_hpp, " uint used() const { return _used; }\n\n");
duke@435 850 fprintf(fp_hpp, " uint lowerBound() const { return _lb; }\n\n");
duke@435 851 fprintf(fp_hpp, " uint upperBound() const { return _ub; }\n\n");
duke@435 852 fprintf(fp_hpp, " bool multiple() const { return _multiple; }\n\n");
duke@435 853 fprintf(fp_hpp, " Pipeline_Use_Cycle_Mask mask() const { return _mask; }\n\n");
duke@435 854 fprintf(fp_hpp, " bool overlaps(const Pipeline_Use_Element &in2) const {\n");
duke@435 855 fprintf(fp_hpp, " return ((_used & in2._used) != 0 && _mask.overlaps(in2._mask));\n");
duke@435 856 fprintf(fp_hpp, " }\n\n");
duke@435 857 fprintf(fp_hpp, " void step(uint cycles) {\n");
duke@435 858 fprintf(fp_hpp, " _used = 0;\n");
duke@435 859 fprintf(fp_hpp, " _mask <<= cycles;\n");
duke@435 860 fprintf(fp_hpp, " }\n\n");
duke@435 861 fprintf(fp_hpp, " friend class Pipeline_Use;\n");
duke@435 862 fprintf(fp_hpp, "};\n\n");
duke@435 863
duke@435 864 fprintf(fp_hpp, "// Pipeline_Use Class\n");
duke@435 865 fprintf(fp_hpp, "class Pipeline_Use {\n");
duke@435 866 fprintf(fp_hpp, "protected:\n");
duke@435 867 fprintf(fp_hpp, " // These resources can be used\n");
duke@435 868 fprintf(fp_hpp, " uint _resources_used;\n\n");
duke@435 869 fprintf(fp_hpp, " // These resources are used; excludes multiple choice functional units\n");
duke@435 870 fprintf(fp_hpp, " uint _resources_used_exclusively;\n\n");
duke@435 871 fprintf(fp_hpp, " // Number of elements\n");
duke@435 872 fprintf(fp_hpp, " uint _count;\n\n");
duke@435 873 fprintf(fp_hpp, " // This is the array of Pipeline_Use_Elements\n");
duke@435 874 fprintf(fp_hpp, " Pipeline_Use_Element * _elements;\n\n");
duke@435 875 fprintf(fp_hpp, "public:\n");
duke@435 876 fprintf(fp_hpp, " Pipeline_Use(uint resources_used, uint resources_used_exclusively, uint count, Pipeline_Use_Element *elements)\n");
duke@435 877 fprintf(fp_hpp, " : _resources_used(resources_used)\n");
duke@435 878 fprintf(fp_hpp, " , _resources_used_exclusively(resources_used_exclusively)\n");
duke@435 879 fprintf(fp_hpp, " , _count(count)\n");
duke@435 880 fprintf(fp_hpp, " , _elements(elements)\n");
duke@435 881 fprintf(fp_hpp, " {}\n\n");
duke@435 882 fprintf(fp_hpp, " uint resourcesUsed() const { return _resources_used; }\n\n");
duke@435 883 fprintf(fp_hpp, " uint resourcesUsedExclusively() const { return _resources_used_exclusively; }\n\n");
duke@435 884 fprintf(fp_hpp, " uint count() const { return _count; }\n\n");
duke@435 885 fprintf(fp_hpp, " Pipeline_Use_Element * element(uint i) const { return &_elements[i]; }\n\n");
duke@435 886 fprintf(fp_hpp, " uint full_latency(uint delay, const Pipeline_Use &pred) const;\n\n");
duke@435 887 fprintf(fp_hpp, " void add_usage(const Pipeline_Use &pred);\n\n");
duke@435 888 fprintf(fp_hpp, " void reset() {\n");
duke@435 889 fprintf(fp_hpp, " _resources_used = _resources_used_exclusively = 0;\n");
duke@435 890 fprintf(fp_hpp, " };\n\n");
duke@435 891 fprintf(fp_hpp, " void step(uint cycles) {\n");
duke@435 892 fprintf(fp_hpp, " reset();\n");
duke@435 893 fprintf(fp_hpp, " for (uint i = 0; i < %d; i++)\n",
duke@435 894 rescount);
duke@435 895 fprintf(fp_hpp, " (&_elements[i])->step(cycles);\n");
duke@435 896 fprintf(fp_hpp, " };\n\n");
duke@435 897 fprintf(fp_hpp, " static const Pipeline_Use elaborated_use;\n");
duke@435 898 fprintf(fp_hpp, " static const Pipeline_Use_Element elaborated_elements[%d];\n\n",
duke@435 899 rescount);
duke@435 900 fprintf(fp_hpp, " friend class Pipeline;\n");
duke@435 901 fprintf(fp_hpp, "};\n\n");
duke@435 902
duke@435 903 fprintf(fp_hpp, "// Pipeline Class\n");
duke@435 904 fprintf(fp_hpp, "class Pipeline {\n");
duke@435 905 fprintf(fp_hpp, "public:\n");
duke@435 906
duke@435 907 fprintf(fp_hpp, " static bool enabled() { return %s; }\n\n",
duke@435 908 _pipeline ? "true" : "false" );
duke@435 909
duke@435 910 assert( _pipeline->_maxInstrsPerBundle &&
duke@435 911 ( _pipeline->_instrUnitSize || _pipeline->_bundleUnitSize) &&
duke@435 912 _pipeline->_instrFetchUnitSize &&
duke@435 913 _pipeline->_instrFetchUnits,
duke@435 914 "unspecified pipeline architecture units");
duke@435 915
duke@435 916 uint unitSize = _pipeline->_instrUnitSize ? _pipeline->_instrUnitSize : _pipeline->_bundleUnitSize;
duke@435 917
duke@435 918 fprintf(fp_hpp, " enum {\n");
duke@435 919 fprintf(fp_hpp, " _variable_size_instructions = %d,\n",
duke@435 920 _pipeline->_variableSizeInstrs ? 1 : 0);
duke@435 921 fprintf(fp_hpp, " _fixed_size_instructions = %d,\n",
duke@435 922 _pipeline->_variableSizeInstrs ? 0 : 1);
duke@435 923 fprintf(fp_hpp, " _branch_has_delay_slot = %d,\n",
duke@435 924 _pipeline->_branchHasDelaySlot ? 1 : 0);
duke@435 925 fprintf(fp_hpp, " _max_instrs_per_bundle = %d,\n",
duke@435 926 _pipeline->_maxInstrsPerBundle);
duke@435 927 fprintf(fp_hpp, " _max_bundles_per_cycle = %d,\n",
duke@435 928 _pipeline->_maxBundlesPerCycle);
duke@435 929 fprintf(fp_hpp, " _max_instrs_per_cycle = %d\n",
duke@435 930 _pipeline->_maxBundlesPerCycle * _pipeline->_maxInstrsPerBundle);
duke@435 931 fprintf(fp_hpp, " };\n\n");
duke@435 932
duke@435 933 fprintf(fp_hpp, " static bool instr_has_unit_size() { return %s; }\n\n",
duke@435 934 _pipeline->_instrUnitSize != 0 ? "true" : "false" );
duke@435 935 if( _pipeline->_bundleUnitSize != 0 )
duke@435 936 if( _pipeline->_instrUnitSize != 0 )
duke@435 937 fprintf(fp_hpp, "// Individual Instructions may be bundled together by the hardware\n\n");
duke@435 938 else
duke@435 939 fprintf(fp_hpp, "// Instructions exist only in bundles\n\n");
duke@435 940 else
duke@435 941 fprintf(fp_hpp, "// Bundling is not supported\n\n");
duke@435 942 if( _pipeline->_instrUnitSize != 0 )
duke@435 943 fprintf(fp_hpp, " // Size of an instruction\n");
duke@435 944 else
duke@435 945 fprintf(fp_hpp, " // Size of an individual instruction does not exist - unsupported\n");
duke@435 946 fprintf(fp_hpp, " static uint instr_unit_size() {");
duke@435 947 if( _pipeline->_instrUnitSize == 0 )
duke@435 948 fprintf(fp_hpp, " assert( false, \"Instructions are only in bundles\" );");
duke@435 949 fprintf(fp_hpp, " return %d; };\n\n", _pipeline->_instrUnitSize);
duke@435 950
duke@435 951 if( _pipeline->_bundleUnitSize != 0 )
duke@435 952 fprintf(fp_hpp, " // Size of a bundle\n");
duke@435 953 else
duke@435 954 fprintf(fp_hpp, " // Bundles do not exist - unsupported\n");
duke@435 955 fprintf(fp_hpp, " static uint bundle_unit_size() {");
duke@435 956 if( _pipeline->_bundleUnitSize == 0 )
duke@435 957 fprintf(fp_hpp, " assert( false, \"Bundles are not supported\" );");
duke@435 958 fprintf(fp_hpp, " return %d; };\n\n", _pipeline->_bundleUnitSize);
duke@435 959
duke@435 960 fprintf(fp_hpp, " static bool requires_bundling() { return %s; }\n\n",
duke@435 961 _pipeline->_bundleUnitSize != 0 && _pipeline->_instrUnitSize == 0 ? "true" : "false" );
duke@435 962
duke@435 963 fprintf(fp_hpp, "private:\n");
duke@435 964 fprintf(fp_hpp, " Pipeline(); // Not a legal constructor\n");
duke@435 965 fprintf(fp_hpp, "\n");
duke@435 966 fprintf(fp_hpp, " const unsigned char _read_stage_count;\n");
duke@435 967 fprintf(fp_hpp, " const unsigned char _write_stage;\n");
duke@435 968 fprintf(fp_hpp, " const unsigned char _fixed_latency;\n");
duke@435 969 fprintf(fp_hpp, " const unsigned char _instruction_count;\n");
duke@435 970 fprintf(fp_hpp, " const bool _has_fixed_latency;\n");
duke@435 971 fprintf(fp_hpp, " const bool _has_branch_delay;\n");
duke@435 972 fprintf(fp_hpp, " const bool _has_multiple_bundles;\n");
duke@435 973 fprintf(fp_hpp, " const bool _force_serialization;\n");
duke@435 974 fprintf(fp_hpp, " const bool _may_have_no_code;\n");
duke@435 975 fprintf(fp_hpp, " const enum machPipelineStages * const _read_stages;\n");
duke@435 976 fprintf(fp_hpp, " const enum machPipelineStages * const _resource_stage;\n");
duke@435 977 fprintf(fp_hpp, " const uint * const _resource_cycles;\n");
duke@435 978 fprintf(fp_hpp, " const Pipeline_Use _resource_use;\n");
duke@435 979 fprintf(fp_hpp, "\n");
duke@435 980 fprintf(fp_hpp, "public:\n");
duke@435 981 fprintf(fp_hpp, " Pipeline(uint write_stage,\n");
duke@435 982 fprintf(fp_hpp, " uint count,\n");
duke@435 983 fprintf(fp_hpp, " bool has_fixed_latency,\n");
duke@435 984 fprintf(fp_hpp, " uint fixed_latency,\n");
duke@435 985 fprintf(fp_hpp, " uint instruction_count,\n");
duke@435 986 fprintf(fp_hpp, " bool has_branch_delay,\n");
duke@435 987 fprintf(fp_hpp, " bool has_multiple_bundles,\n");
duke@435 988 fprintf(fp_hpp, " bool force_serialization,\n");
duke@435 989 fprintf(fp_hpp, " bool may_have_no_code,\n");
duke@435 990 fprintf(fp_hpp, " enum machPipelineStages * const dst,\n");
duke@435 991 fprintf(fp_hpp, " enum machPipelineStages * const stage,\n");
duke@435 992 fprintf(fp_hpp, " uint * const cycles,\n");
duke@435 993 fprintf(fp_hpp, " Pipeline_Use resource_use)\n");
duke@435 994 fprintf(fp_hpp, " : _write_stage(write_stage)\n");
duke@435 995 fprintf(fp_hpp, " , _read_stage_count(count)\n");
duke@435 996 fprintf(fp_hpp, " , _has_fixed_latency(has_fixed_latency)\n");
duke@435 997 fprintf(fp_hpp, " , _fixed_latency(fixed_latency)\n");
duke@435 998 fprintf(fp_hpp, " , _read_stages(dst)\n");
duke@435 999 fprintf(fp_hpp, " , _resource_stage(stage)\n");
duke@435 1000 fprintf(fp_hpp, " , _resource_cycles(cycles)\n");
duke@435 1001 fprintf(fp_hpp, " , _resource_use(resource_use)\n");
duke@435 1002 fprintf(fp_hpp, " , _instruction_count(instruction_count)\n");
duke@435 1003 fprintf(fp_hpp, " , _has_branch_delay(has_branch_delay)\n");
duke@435 1004 fprintf(fp_hpp, " , _has_multiple_bundles(has_multiple_bundles)\n");
duke@435 1005 fprintf(fp_hpp, " , _force_serialization(force_serialization)\n");
duke@435 1006 fprintf(fp_hpp, " , _may_have_no_code(may_have_no_code)\n");
duke@435 1007 fprintf(fp_hpp, " {};\n");
duke@435 1008 fprintf(fp_hpp, "\n");
duke@435 1009 fprintf(fp_hpp, " uint writeStage() const {\n");
duke@435 1010 fprintf(fp_hpp, " return (_write_stage);\n");
duke@435 1011 fprintf(fp_hpp, " }\n");
duke@435 1012 fprintf(fp_hpp, "\n");
duke@435 1013 fprintf(fp_hpp, " enum machPipelineStages readStage(int ndx) const {\n");
duke@435 1014 fprintf(fp_hpp, " return (ndx < _read_stage_count ? _read_stages[ndx] : stage_undefined);");
duke@435 1015 fprintf(fp_hpp, " }\n\n");
duke@435 1016 fprintf(fp_hpp, " uint resourcesUsed() const {\n");
duke@435 1017 fprintf(fp_hpp, " return _resource_use.resourcesUsed();\n }\n\n");
duke@435 1018 fprintf(fp_hpp, " uint resourcesUsedExclusively() const {\n");
duke@435 1019 fprintf(fp_hpp, " return _resource_use.resourcesUsedExclusively();\n }\n\n");
duke@435 1020 fprintf(fp_hpp, " bool hasFixedLatency() const {\n");
duke@435 1021 fprintf(fp_hpp, " return (_has_fixed_latency);\n }\n\n");
duke@435 1022 fprintf(fp_hpp, " uint fixedLatency() const {\n");
duke@435 1023 fprintf(fp_hpp, " return (_fixed_latency);\n }\n\n");
duke@435 1024 fprintf(fp_hpp, " uint functional_unit_latency(uint start, const Pipeline *pred) const;\n\n");
duke@435 1025 fprintf(fp_hpp, " uint operand_latency(uint opnd, const Pipeline *pred) const;\n\n");
duke@435 1026 fprintf(fp_hpp, " const Pipeline_Use& resourceUse() const {\n");
duke@435 1027 fprintf(fp_hpp, " return (_resource_use); }\n\n");
duke@435 1028 fprintf(fp_hpp, " const Pipeline_Use_Element * resourceUseElement(uint i) const {\n");
duke@435 1029 fprintf(fp_hpp, " return (&_resource_use._elements[i]); }\n\n");
duke@435 1030 fprintf(fp_hpp, " uint resourceUseCount() const {\n");
duke@435 1031 fprintf(fp_hpp, " return (_resource_use._count); }\n\n");
duke@435 1032 fprintf(fp_hpp, " uint instructionCount() const {\n");
duke@435 1033 fprintf(fp_hpp, " return (_instruction_count); }\n\n");
duke@435 1034 fprintf(fp_hpp, " bool hasBranchDelay() const {\n");
duke@435 1035 fprintf(fp_hpp, " return (_has_branch_delay); }\n\n");
duke@435 1036 fprintf(fp_hpp, " bool hasMultipleBundles() const {\n");
duke@435 1037 fprintf(fp_hpp, " return (_has_multiple_bundles); }\n\n");
duke@435 1038 fprintf(fp_hpp, " bool forceSerialization() const {\n");
duke@435 1039 fprintf(fp_hpp, " return (_force_serialization); }\n\n");
duke@435 1040 fprintf(fp_hpp, " bool mayHaveNoCode() const {\n");
duke@435 1041 fprintf(fp_hpp, " return (_may_have_no_code); }\n\n");
duke@435 1042 fprintf(fp_hpp, "//const Pipeline_Use_Cycle_Mask& resourceUseMask(int resource) const {\n");
duke@435 1043 fprintf(fp_hpp, "// return (_resource_use_masks[resource]); }\n\n");
duke@435 1044 fprintf(fp_hpp, "\n#ifndef PRODUCT\n");
duke@435 1045 fprintf(fp_hpp, " static const char * stageName(uint i);\n");
duke@435 1046 fprintf(fp_hpp, "#endif\n");
duke@435 1047 fprintf(fp_hpp, "};\n\n");
duke@435 1048
duke@435 1049 fprintf(fp_hpp, "// Bundle class\n");
duke@435 1050 fprintf(fp_hpp, "class Bundle {\n");
duke@435 1051
duke@435 1052 uint mshift = 0;
duke@435 1053 for (uint msize = _pipeline->_maxInstrsPerBundle * _pipeline->_maxBundlesPerCycle; msize != 0; msize >>= 1)
duke@435 1054 mshift++;
duke@435 1055
duke@435 1056 uint rshift = rescount;
duke@435 1057
duke@435 1058 fprintf(fp_hpp, "protected:\n");
duke@435 1059 fprintf(fp_hpp, " enum {\n");
duke@435 1060 fprintf(fp_hpp, " _unused_delay = 0x%x,\n", 0);
duke@435 1061 fprintf(fp_hpp, " _use_nop_delay = 0x%x,\n", 1);
duke@435 1062 fprintf(fp_hpp, " _use_unconditional_delay = 0x%x,\n", 2);
duke@435 1063 fprintf(fp_hpp, " _use_conditional_delay = 0x%x,\n", 3);
duke@435 1064 fprintf(fp_hpp, " _used_in_conditional_delay = 0x%x,\n", 4);
duke@435 1065 fprintf(fp_hpp, " _used_in_unconditional_delay = 0x%x,\n", 5);
duke@435 1066 fprintf(fp_hpp, " _used_in_all_conditional_delays = 0x%x,\n", 6);
duke@435 1067 fprintf(fp_hpp, "\n");
duke@435 1068 fprintf(fp_hpp, " _use_delay = 0x%x,\n", 3);
duke@435 1069 fprintf(fp_hpp, " _used_in_delay = 0x%x\n", 4);
duke@435 1070 fprintf(fp_hpp, " };\n\n");
duke@435 1071 fprintf(fp_hpp, " uint _flags : 3,\n");
duke@435 1072 fprintf(fp_hpp, " _starts_bundle : 1,\n");
duke@435 1073 fprintf(fp_hpp, " _instr_count : %d,\n", mshift);
duke@435 1074 fprintf(fp_hpp, " _resources_used : %d;\n", rshift);
duke@435 1075 fprintf(fp_hpp, "public:\n");
duke@435 1076 fprintf(fp_hpp, " Bundle() : _flags(_unused_delay), _starts_bundle(0), _instr_count(0), _resources_used(0) {}\n\n");
duke@435 1077 fprintf(fp_hpp, " void set_instr_count(uint i) { _instr_count = i; }\n");
duke@435 1078 fprintf(fp_hpp, " void set_resources_used(uint i) { _resources_used = i; }\n");
duke@435 1079 fprintf(fp_hpp, " void clear_usage() { _flags = _unused_delay; }\n");
duke@435 1080 fprintf(fp_hpp, " void set_starts_bundle() { _starts_bundle = true; }\n");
duke@435 1081
duke@435 1082 fprintf(fp_hpp, " uint flags() const { return (_flags); }\n");
duke@435 1083 fprintf(fp_hpp, " uint instr_count() const { return (_instr_count); }\n");
duke@435 1084 fprintf(fp_hpp, " uint resources_used() const { return (_resources_used); }\n");
duke@435 1085 fprintf(fp_hpp, " bool starts_bundle() const { return (_starts_bundle != 0); }\n");
duke@435 1086
duke@435 1087 fprintf(fp_hpp, " void set_use_nop_delay() { _flags = _use_nop_delay; }\n");
duke@435 1088 fprintf(fp_hpp, " void set_use_unconditional_delay() { _flags = _use_unconditional_delay; }\n");
duke@435 1089 fprintf(fp_hpp, " void set_use_conditional_delay() { _flags = _use_conditional_delay; }\n");
duke@435 1090 fprintf(fp_hpp, " void set_used_in_unconditional_delay() { _flags = _used_in_unconditional_delay; }\n");
duke@435 1091 fprintf(fp_hpp, " void set_used_in_conditional_delay() { _flags = _used_in_conditional_delay; }\n");
duke@435 1092 fprintf(fp_hpp, " void set_used_in_all_conditional_delays() { _flags = _used_in_all_conditional_delays; }\n");
duke@435 1093
duke@435 1094 fprintf(fp_hpp, " bool use_nop_delay() { return (_flags == _use_nop_delay); }\n");
duke@435 1095 fprintf(fp_hpp, " bool use_unconditional_delay() { return (_flags == _use_unconditional_delay); }\n");
duke@435 1096 fprintf(fp_hpp, " bool use_conditional_delay() { return (_flags == _use_conditional_delay); }\n");
duke@435 1097 fprintf(fp_hpp, " bool used_in_unconditional_delay() { return (_flags == _used_in_unconditional_delay); }\n");
duke@435 1098 fprintf(fp_hpp, " bool used_in_conditional_delay() { return (_flags == _used_in_conditional_delay); }\n");
duke@435 1099 fprintf(fp_hpp, " bool used_in_all_conditional_delays() { return (_flags == _used_in_all_conditional_delays); }\n");
duke@435 1100 fprintf(fp_hpp, " bool use_delay() { return ((_flags & _use_delay) != 0); }\n");
duke@435 1101 fprintf(fp_hpp, " bool used_in_delay() { return ((_flags & _used_in_delay) != 0); }\n\n");
duke@435 1102
duke@435 1103 fprintf(fp_hpp, " enum {\n");
duke@435 1104 fprintf(fp_hpp, " _nop_count = %d\n",
duke@435 1105 _pipeline->_nopcnt);
duke@435 1106 fprintf(fp_hpp, " };\n\n");
duke@435 1107 fprintf(fp_hpp, " static void initialize_nops(MachNode *nop_list[%d], Compile* C);\n\n",
duke@435 1108 _pipeline->_nopcnt);
duke@435 1109 fprintf(fp_hpp, "#ifndef PRODUCT\n");
duke@435 1110 fprintf(fp_hpp, " void dump() const;\n");
duke@435 1111 fprintf(fp_hpp, "#endif\n");
duke@435 1112 fprintf(fp_hpp, "};\n\n");
duke@435 1113
duke@435 1114 // const char *classname;
duke@435 1115 // for (_pipeline->_classlist.reset(); (classname = _pipeline->_classlist.iter()) != NULL; ) {
duke@435 1116 // PipeClassForm *pipeclass = _pipeline->_classdict[classname]->is_pipeclass();
duke@435 1117 // fprintf(fp_hpp, "// Pipeline Class Instance for \"%s\"\n", classname);
duke@435 1118 // }
duke@435 1119 }
duke@435 1120
duke@435 1121 //------------------------------declareClasses---------------------------------
duke@435 1122 // Construct the class hierarchy of MachNode classes from the instruction &
duke@435 1123 // operand lists
duke@435 1124 void ArchDesc::declareClasses(FILE *fp) {
duke@435 1125
duke@435 1126 // Declare an array containing the machine register names, strings.
duke@435 1127 declareRegNames(fp, _register);
duke@435 1128
duke@435 1129 // Declare an array containing the machine register encoding values
duke@435 1130 declareRegEncodes(fp, _register);
duke@435 1131
duke@435 1132 // Generate declarations for the total number of operands
duke@435 1133 fprintf(fp,"\n");
duke@435 1134 fprintf(fp,"// Total number of operands defined in architecture definition\n");
duke@435 1135 int num_operands = 0;
duke@435 1136 OperandForm *op;
duke@435 1137 for (_operands.reset(); (op = (OperandForm*)_operands.iter()) != NULL; ) {
duke@435 1138 // Ensure this is a machine-world instruction
duke@435 1139 if (op->ideal_only()) continue;
duke@435 1140
duke@435 1141 ++num_operands;
duke@435 1142 }
duke@435 1143 int first_operand_class = num_operands;
duke@435 1144 OpClassForm *opc;
duke@435 1145 for (_opclass.reset(); (opc = (OpClassForm*)_opclass.iter()) != NULL; ) {
duke@435 1146 // Ensure this is a machine-world instruction
duke@435 1147 if (opc->ideal_only()) continue;
duke@435 1148
duke@435 1149 ++num_operands;
duke@435 1150 }
duke@435 1151 fprintf(fp,"#define FIRST_OPERAND_CLASS %d\n", first_operand_class);
duke@435 1152 fprintf(fp,"#define NUM_OPERANDS %d\n", num_operands);
duke@435 1153 fprintf(fp,"\n");
duke@435 1154 // Generate declarations for the total number of instructions
duke@435 1155 fprintf(fp,"// Total number of instructions defined in architecture definition\n");
duke@435 1156 fprintf(fp,"#define NUM_INSTRUCTIONS %d\n",instructFormCount());
duke@435 1157
duke@435 1158
duke@435 1159 // Generate Machine Classes for each operand defined in AD file
duke@435 1160 fprintf(fp,"\n");
duke@435 1161 fprintf(fp,"//----------------------------Declare classes derived from MachOper----------\n");
duke@435 1162 // Iterate through all operands
duke@435 1163 _operands.reset();
duke@435 1164 OperandForm *oper;
duke@435 1165 for( ; (oper = (OperandForm*)_operands.iter()) != NULL;) {
duke@435 1166 // Ensure this is a machine-world instruction
duke@435 1167 if (oper->ideal_only() ) continue;
duke@435 1168 // The declaration of labelOper is in machine-independent file: machnode
duke@435 1169 if ( strcmp(oper->_ident,"label") == 0 ) continue;
duke@435 1170 // The declaration of methodOper is in machine-independent file: machnode
duke@435 1171 if ( strcmp(oper->_ident,"method") == 0 ) continue;
duke@435 1172
duke@435 1173 // Build class definition for this operand
duke@435 1174 fprintf(fp,"\n");
duke@435 1175 fprintf(fp,"class %sOper : public MachOper { \n",oper->_ident);
duke@435 1176 fprintf(fp,"private:\n");
duke@435 1177 // Operand definitions that depend upon number of input edges
duke@435 1178 {
duke@435 1179 uint num_edges = oper->num_edges(_globalNames);
duke@435 1180 if( num_edges != 1 ) { // Use MachOper::num_edges() {return 1;}
duke@435 1181 fprintf(fp," virtual uint num_edges() const { return %d; }\n",
duke@435 1182 num_edges );
duke@435 1183 }
duke@435 1184 if( num_edges > 0 ) {
duke@435 1185 in_RegMask(fp);
duke@435 1186 }
duke@435 1187 }
duke@435 1188
duke@435 1189 // Support storing constants inside the MachOper
duke@435 1190 declareConstStorage(fp,_globalNames,oper);
duke@435 1191
duke@435 1192 // Support storage of the condition codes
duke@435 1193 if( oper->is_ideal_bool() ) {
duke@435 1194 fprintf(fp," virtual int ccode() const { \n");
duke@435 1195 fprintf(fp," switch (_c0) {\n");
duke@435 1196 fprintf(fp," case BoolTest::eq : return equal();\n");
duke@435 1197 fprintf(fp," case BoolTest::gt : return greater();\n");
duke@435 1198 fprintf(fp," case BoolTest::lt : return less();\n");
duke@435 1199 fprintf(fp," case BoolTest::ne : return not_equal();\n");
duke@435 1200 fprintf(fp," case BoolTest::le : return less_equal();\n");
duke@435 1201 fprintf(fp," case BoolTest::ge : return greater_equal();\n");
duke@435 1202 fprintf(fp," default : ShouldNotReachHere(); return 0;\n");
duke@435 1203 fprintf(fp," }\n");
duke@435 1204 fprintf(fp," };\n");
duke@435 1205 }
duke@435 1206
duke@435 1207 // Support storage of the condition codes
duke@435 1208 if( oper->is_ideal_bool() ) {
duke@435 1209 fprintf(fp," virtual void negate() { \n");
duke@435 1210 fprintf(fp," _c0 = (BoolTest::mask)((int)_c0^0x4); \n");
duke@435 1211 fprintf(fp," };\n");
duke@435 1212 }
duke@435 1213
duke@435 1214 // Declare constructor.
duke@435 1215 // Parameters start with condition code, then all other constants
duke@435 1216 //
duke@435 1217 // (1) MachXOper(int32 ccode, int32 c0, int32 c1, ..., int32 cn)
duke@435 1218 // (2) : _ccode(ccode), _c0(c0), _c1(c1), ..., _cn(cn) { }
duke@435 1219 //
duke@435 1220 Form::DataType constant_type = oper->simple_type(_globalNames);
duke@435 1221 defineConstructor(fp, oper->_ident, oper->num_consts(_globalNames),
duke@435 1222 oper->_components, oper->is_ideal_bool(),
duke@435 1223 constant_type, _globalNames);
duke@435 1224
duke@435 1225 // Clone function
duke@435 1226 fprintf(fp," virtual MachOper *clone(Compile* C) const;\n");
duke@435 1227
duke@435 1228 // Support setting a spill offset into a constant operand.
duke@435 1229 // We only support setting an 'int' offset, while in the
duke@435 1230 // LP64 build spill offsets are added with an AddP which
duke@435 1231 // requires a long constant. Thus we don't support spilling
duke@435 1232 // in frames larger than 4Gig.
duke@435 1233 if( oper->has_conI(_globalNames) ||
duke@435 1234 oper->has_conL(_globalNames) )
duke@435 1235 fprintf(fp, " virtual void set_con( jint c0 ) { _c0 = c0; }\n");
duke@435 1236
duke@435 1237 // virtual functions for encoding and format
duke@435 1238 // fprintf(fp," virtual void encode() const {\n %s }\n",
duke@435 1239 // (oper->_encrule)?(oper->_encrule->_encrule):"");
duke@435 1240 // Check the interface type, and generate the correct query functions
duke@435 1241 // encoding queries based upon MEMORY_INTER, REG_INTER, CONST_INTER.
duke@435 1242
duke@435 1243 fprintf(fp," virtual uint opcode() const { return %s; }\n",
duke@435 1244 machOperEnum(oper->_ident));
duke@435 1245
duke@435 1246 // virtual function to look up ideal return type of machine instruction
duke@435 1247 //
duke@435 1248 // (1) virtual const Type *type() const { return .....; }
duke@435 1249 //
duke@435 1250 if ((oper->_matrule) && (oper->_matrule->_lChild == NULL) &&
duke@435 1251 (oper->_matrule->_rChild == NULL)) {
duke@435 1252 unsigned int position = 0;
duke@435 1253 const char *opret, *opname, *optype;
duke@435 1254 oper->_matrule->base_operand(position,_globalNames,opret,opname,optype);
duke@435 1255 fprintf(fp," virtual const Type *type() const {");
duke@435 1256 const char *type = getIdealType(optype);
duke@435 1257 if( type != NULL ) {
duke@435 1258 Form::DataType data_type = oper->is_base_constant(_globalNames);
duke@435 1259 // Check if we are an ideal pointer type
roland@4159 1260 if( data_type == Form::idealP || data_type == Form::idealN || data_type == Form::idealNKlass ) {
duke@435 1261 // Return the ideal type we already have: <TypePtr *>
duke@435 1262 fprintf(fp," return _c0;");
duke@435 1263 } else {
duke@435 1264 // Return the appropriate bottom type
duke@435 1265 fprintf(fp," return %s;", getIdealType(optype));
duke@435 1266 }
duke@435 1267 } else {
duke@435 1268 fprintf(fp," ShouldNotCallThis(); return Type::BOTTOM;");
duke@435 1269 }
duke@435 1270 fprintf(fp," }\n");
duke@435 1271 } else {
duke@435 1272 // Check for user-defined stack slots, based upon sRegX
duke@435 1273 Form::DataType data_type = oper->is_user_name_for_sReg();
duke@435 1274 if( data_type != Form::none ){
duke@435 1275 const char *type = NULL;
duke@435 1276 switch( data_type ) {
duke@435 1277 case Form::idealI: type = "TypeInt::INT"; break;
duke@435 1278 case Form::idealP: type = "TypePtr::BOTTOM";break;
duke@435 1279 case Form::idealF: type = "Type::FLOAT"; break;
duke@435 1280 case Form::idealD: type = "Type::DOUBLE"; break;
duke@435 1281 case Form::idealL: type = "TypeLong::LONG"; break;
duke@435 1282 case Form::none: // fall through
duke@435 1283 default:
duke@435 1284 assert( false, "No support for this type of stackSlot");
duke@435 1285 }
duke@435 1286 fprintf(fp," virtual const Type *type() const { return %s; } // stackSlotX\n", type);
duke@435 1287 }
duke@435 1288 }
duke@435 1289
duke@435 1290
duke@435 1291 //
duke@435 1292 // virtual functions for defining the encoding interface.
duke@435 1293 //
duke@435 1294 // Access the linearized ideal register mask,
duke@435 1295 // map to physical register encoding
duke@435 1296 if ( oper->_matrule && oper->_matrule->is_base_register(_globalNames) ) {
duke@435 1297 // Just use the default virtual 'reg' call
duke@435 1298 } else if ( oper->ideal_to_sReg_type(oper->_ident) != Form::none ) {
duke@435 1299 // Special handling for operand 'sReg', a Stack Slot Register.
duke@435 1300 // Map linearized ideal register mask to stack slot number
duke@435 1301 fprintf(fp," virtual int reg(PhaseRegAlloc *ra_, const Node *node) const {\n");
duke@435 1302 fprintf(fp," return (int)OptoReg::reg2stack(ra_->get_reg_first(node));/* sReg */\n");
duke@435 1303 fprintf(fp," }\n");
duke@435 1304 fprintf(fp," virtual int reg(PhaseRegAlloc *ra_, const Node *node, int idx) const {\n");
duke@435 1305 fprintf(fp," return (int)OptoReg::reg2stack(ra_->get_reg_first(node->in(idx)));/* sReg */\n");
duke@435 1306 fprintf(fp," }\n");
duke@435 1307 }
duke@435 1308
duke@435 1309 // Output the operand specific access functions used by an enc_class
duke@435 1310 // These are only defined when we want to override the default virtual func
duke@435 1311 if (oper->_interface != NULL) {
duke@435 1312 fprintf(fp,"\n");
duke@435 1313 // Check if it is a Memory Interface
duke@435 1314 if ( oper->_interface->is_MemInterface() != NULL ) {
duke@435 1315 MemInterface *mem_interface = oper->_interface->is_MemInterface();
duke@435 1316 const char *base = mem_interface->_base;
duke@435 1317 if( base != NULL ) {
duke@435 1318 define_oper_interface(fp, *oper, _globalNames, "base", base);
duke@435 1319 }
duke@435 1320 char *index = mem_interface->_index;
duke@435 1321 if( index != NULL ) {
duke@435 1322 define_oper_interface(fp, *oper, _globalNames, "index", index);
duke@435 1323 }
duke@435 1324 const char *scale = mem_interface->_scale;
duke@435 1325 if( scale != NULL ) {
duke@435 1326 define_oper_interface(fp, *oper, _globalNames, "scale", scale);
duke@435 1327 }
duke@435 1328 const char *disp = mem_interface->_disp;
duke@435 1329 if( disp != NULL ) {
duke@435 1330 define_oper_interface(fp, *oper, _globalNames, "disp", disp);
duke@435 1331 oper->disp_is_oop(fp, _globalNames);
duke@435 1332 }
duke@435 1333 if( oper->stack_slots_only(_globalNames) ) {
duke@435 1334 // should not call this:
duke@435 1335 fprintf(fp," virtual int constant_disp() const { return Type::OffsetBot; }");
duke@435 1336 } else if ( disp != NULL ) {
duke@435 1337 define_oper_interface(fp, *oper, _globalNames, "constant_disp", disp);
duke@435 1338 }
duke@435 1339 } // end Memory Interface
duke@435 1340 // Check if it is a Conditional Interface
duke@435 1341 else if (oper->_interface->is_CondInterface() != NULL) {
duke@435 1342 CondInterface *cInterface = oper->_interface->is_CondInterface();
duke@435 1343 const char *equal = cInterface->_equal;
duke@435 1344 if( equal != NULL ) {
duke@435 1345 define_oper_interface(fp, *oper, _globalNames, "equal", equal);
duke@435 1346 }
duke@435 1347 const char *not_equal = cInterface->_not_equal;
duke@435 1348 if( not_equal != NULL ) {
duke@435 1349 define_oper_interface(fp, *oper, _globalNames, "not_equal", not_equal);
duke@435 1350 }
duke@435 1351 const char *less = cInterface->_less;
duke@435 1352 if( less != NULL ) {
duke@435 1353 define_oper_interface(fp, *oper, _globalNames, "less", less);
duke@435 1354 }
duke@435 1355 const char *greater_equal = cInterface->_greater_equal;
duke@435 1356 if( greater_equal != NULL ) {
duke@435 1357 define_oper_interface(fp, *oper, _globalNames, "greater_equal", greater_equal);
duke@435 1358 }
duke@435 1359 const char *less_equal = cInterface->_less_equal;
duke@435 1360 if( less_equal != NULL ) {
duke@435 1361 define_oper_interface(fp, *oper, _globalNames, "less_equal", less_equal);
duke@435 1362 }
duke@435 1363 const char *greater = cInterface->_greater;
duke@435 1364 if( greater != NULL ) {
duke@435 1365 define_oper_interface(fp, *oper, _globalNames, "greater", greater);
duke@435 1366 }
duke@435 1367 } // end Conditional Interface
duke@435 1368 // Check if it is a Constant Interface
duke@435 1369 else if (oper->_interface->is_ConstInterface() != NULL ) {
duke@435 1370 assert( oper->num_consts(_globalNames) == 1,
duke@435 1371 "Must have one constant when using CONST_INTER encoding");
duke@435 1372 if (!strcmp(oper->ideal_type(_globalNames), "ConI")) {
duke@435 1373 // Access the locally stored constant
duke@435 1374 fprintf(fp," virtual intptr_t constant() const {");
duke@435 1375 fprintf(fp, " return (intptr_t)_c0;");
duke@435 1376 fprintf(fp," }\n");
duke@435 1377 }
duke@435 1378 else if (!strcmp(oper->ideal_type(_globalNames), "ConP")) {
duke@435 1379 // Access the locally stored constant
duke@435 1380 fprintf(fp," virtual intptr_t constant() const {");
duke@435 1381 fprintf(fp, " return _c0->get_con();");
duke@435 1382 fprintf(fp, " }\n");
duke@435 1383 // Generate query to determine if this pointer is an oop
coleenp@4037 1384 fprintf(fp," virtual relocInfo::relocType constant_reloc() const {");
coleenp@4037 1385 fprintf(fp, " return _c0->reloc();");
duke@435 1386 fprintf(fp, " }\n");
duke@435 1387 }
coleenp@548 1388 else if (!strcmp(oper->ideal_type(_globalNames), "ConN")) {
coleenp@548 1389 // Access the locally stored constant
coleenp@548 1390 fprintf(fp," virtual intptr_t constant() const {");
never@1262 1391 fprintf(fp, " return _c0->get_ptrtype()->get_con();");
coleenp@548 1392 fprintf(fp, " }\n");
coleenp@548 1393 // Generate query to determine if this pointer is an oop
coleenp@4037 1394 fprintf(fp," virtual relocInfo::relocType constant_reloc() const {");
coleenp@4037 1395 fprintf(fp, " return _c0->get_ptrtype()->reloc();");
coleenp@548 1396 fprintf(fp, " }\n");
coleenp@548 1397 }
roland@4159 1398 else if (!strcmp(oper->ideal_type(_globalNames), "ConNKlass")) {
roland@4159 1399 // Access the locally stored constant
roland@4159 1400 fprintf(fp," virtual intptr_t constant() const {");
roland@4159 1401 fprintf(fp, " return _c0->get_ptrtype()->get_con();");
roland@4159 1402 fprintf(fp, " }\n");
roland@4159 1403 // Generate query to determine if this pointer is an oop
roland@4159 1404 fprintf(fp," virtual relocInfo::relocType constant_reloc() const {");
roland@4159 1405 fprintf(fp, " return _c0->get_ptrtype()->reloc();");
roland@4159 1406 fprintf(fp, " }\n");
roland@4159 1407 }
duke@435 1408 else if (!strcmp(oper->ideal_type(_globalNames), "ConL")) {
duke@435 1409 fprintf(fp," virtual intptr_t constant() const {");
duke@435 1410 // We don't support addressing modes with > 4Gig offsets.
duke@435 1411 // Truncate to int.
duke@435 1412 fprintf(fp, " return (intptr_t)_c0;");
duke@435 1413 fprintf(fp, " }\n");
duke@435 1414 fprintf(fp," virtual jlong constantL() const {");
duke@435 1415 fprintf(fp, " return _c0;");
duke@435 1416 fprintf(fp, " }\n");
duke@435 1417 }
duke@435 1418 else if (!strcmp(oper->ideal_type(_globalNames), "ConF")) {
duke@435 1419 fprintf(fp," virtual intptr_t constant() const {");
duke@435 1420 fprintf(fp, " ShouldNotReachHere(); return 0; ");
duke@435 1421 fprintf(fp, " }\n");
duke@435 1422 fprintf(fp," virtual jfloat constantF() const {");
duke@435 1423 fprintf(fp, " return (jfloat)_c0;");
duke@435 1424 fprintf(fp, " }\n");
duke@435 1425 }
duke@435 1426 else if (!strcmp(oper->ideal_type(_globalNames), "ConD")) {
duke@435 1427 fprintf(fp," virtual intptr_t constant() const {");
duke@435 1428 fprintf(fp, " ShouldNotReachHere(); return 0; ");
duke@435 1429 fprintf(fp, " }\n");
duke@435 1430 fprintf(fp," virtual jdouble constantD() const {");
duke@435 1431 fprintf(fp, " return _c0;");
duke@435 1432 fprintf(fp, " }\n");
duke@435 1433 }
duke@435 1434 }
duke@435 1435 else if (oper->_interface->is_RegInterface() != NULL) {
duke@435 1436 // make sure that a fixed format string isn't used for an
duke@435 1437 // operand which might be assiged to multiple registers.
duke@435 1438 // Otherwise the opto assembly output could be misleading.
duke@435 1439 if (oper->_format->_strings.count() != 0 && !oper->is_bound_register()) {
duke@435 1440 syntax_err(oper->_linenum,
duke@435 1441 "Only bound registers can have fixed formats: %s\n",
duke@435 1442 oper->_ident);
duke@435 1443 }
duke@435 1444 }
duke@435 1445 else {
duke@435 1446 assert( false, "ShouldNotReachHere();");
duke@435 1447 }
duke@435 1448 }
duke@435 1449
duke@435 1450 fprintf(fp,"\n");
duke@435 1451 // // Currently all XXXOper::hash() methods are identical (990820)
duke@435 1452 // declare_hash(fp);
duke@435 1453 // // Currently all XXXOper::Cmp() methods are identical (990820)
duke@435 1454 // declare_cmp(fp);
duke@435 1455
duke@435 1456 // Do not place dump_spec() and Name() into PRODUCT code
duke@435 1457 // int_format and ext_format are not needed in PRODUCT code either
duke@435 1458 fprintf(fp, "#ifndef PRODUCT\n");
duke@435 1459
duke@435 1460 // Declare int_format() and ext_format()
duke@435 1461 gen_oper_format(fp, _globalNames, *oper);
duke@435 1462
duke@435 1463 // Machine independent print functionality for debugging
duke@435 1464 // IF we have constants, create a dump_spec function for the derived class
duke@435 1465 //
duke@435 1466 // (1) virtual void dump_spec() const {
duke@435 1467 // (2) st->print("#%d", _c#); // Constant != ConP
duke@435 1468 // OR _c#->dump_on(st); // Type ConP
duke@435 1469 // ...
duke@435 1470 // (3) }
duke@435 1471 uint num_consts = oper->num_consts(_globalNames);
duke@435 1472 if( num_consts > 0 ) {
duke@435 1473 // line (1)
duke@435 1474 fprintf(fp, " virtual void dump_spec(outputStream *st) const {\n");
duke@435 1475 // generate format string for st->print
duke@435 1476 // Iterate over the component list & spit out the right thing
duke@435 1477 uint i = 0;
duke@435 1478 const char *type = oper->ideal_type(_globalNames);
duke@435 1479 Component *comp;
duke@435 1480 oper->_components.reset();
duke@435 1481 if ((comp = oper->_components.iter()) == NULL) {
duke@435 1482 assert(num_consts == 1, "Bad component list detected.\n");
never@850 1483 i = dump_spec_constant( fp, type, i, oper );
duke@435 1484 // Check that type actually matched
duke@435 1485 assert( i != 0, "Non-constant operand lacks component list.");
duke@435 1486 } // end if NULL
duke@435 1487 else {
duke@435 1488 // line (2)
duke@435 1489 // dump all components
duke@435 1490 oper->_components.reset();
duke@435 1491 while((comp = oper->_components.iter()) != NULL) {
duke@435 1492 type = comp->base_type(_globalNames);
never@850 1493 i = dump_spec_constant( fp, type, i, NULL );
duke@435 1494 }
duke@435 1495 }
duke@435 1496 // finish line (3)
duke@435 1497 fprintf(fp," }\n");
duke@435 1498 }
duke@435 1499
duke@435 1500 fprintf(fp," virtual const char *Name() const { return \"%s\";}\n",
duke@435 1501 oper->_ident);
duke@435 1502
duke@435 1503 fprintf(fp,"#endif\n");
duke@435 1504
duke@435 1505 // Close definition of this XxxMachOper
duke@435 1506 fprintf(fp,"};\n");
duke@435 1507 }
duke@435 1508
duke@435 1509
duke@435 1510 // Generate Machine Classes for each instruction defined in AD file
duke@435 1511 fprintf(fp,"\n");
duke@435 1512 fprintf(fp,"//----------------------------Declare classes for Pipelines-----------------\n");
duke@435 1513 declare_pipe_classes(fp);
duke@435 1514
duke@435 1515 // Generate Machine Classes for each instruction defined in AD file
duke@435 1516 fprintf(fp,"\n");
duke@435 1517 fprintf(fp,"//----------------------------Declare classes derived from MachNode----------\n");
duke@435 1518 _instructions.reset();
duke@435 1519 InstructForm *instr;
duke@435 1520 for( ; (instr = (InstructForm*)_instructions.iter()) != NULL; ) {
duke@435 1521 // Ensure this is a machine-world instruction
duke@435 1522 if ( instr->ideal_only() ) continue;
duke@435 1523
duke@435 1524 // Build class definition for this instruction
duke@435 1525 fprintf(fp,"\n");
duke@435 1526 fprintf(fp,"class %sNode : public %s { \n",
never@1896 1527 instr->_ident, instr->mach_base_class(_globalNames) );
duke@435 1528 fprintf(fp,"private:\n");
duke@435 1529 fprintf(fp," MachOper *_opnd_array[%d];\n", instr->num_opnds() );
duke@435 1530 if ( instr->is_ideal_jump() ) {
duke@435 1531 fprintf(fp, " GrowableArray<Label*> _index2label;\n");
duke@435 1532 }
duke@435 1533 fprintf(fp,"public:\n");
duke@435 1534 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 1535 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 1536 fprintf(fp,"private:\n");
duke@435 1537 if ( instr->is_ideal_jump() ) {
duke@435 1538 fprintf(fp," virtual void add_case_label(int index_num, Label* blockLabel) {\n");
duke@435 1539 fprintf(fp," _index2label.at_put_grow(index_num, blockLabel);}\n");
duke@435 1540 }
duke@435 1541 if( can_cisc_spill() && (instr->cisc_spill_alternate() != NULL) ) {
duke@435 1542 fprintf(fp," const RegMask *_cisc_RegMask;\n");
duke@435 1543 }
duke@435 1544
duke@435 1545 out_RegMask(fp); // output register mask
duke@435 1546 fprintf(fp," virtual uint rule() const { return %s_rule; }\n",
duke@435 1547 instr->_ident);
duke@435 1548
duke@435 1549 // If this instruction contains a labelOper
duke@435 1550 // Declare Node::methods that set operand Label's contents
duke@435 1551 int label_position = instr->label_position();
duke@435 1552 if( label_position != -1 ) {
kvn@3051 1553 // Set/Save the label, stored in labelOper::_branch_label
kvn@3037 1554 fprintf(fp," virtual void label_set( Label* label, uint block_num );\n");
kvn@3051 1555 fprintf(fp," virtual void save_label( Label** label, uint* block_num );\n");
duke@435 1556 }
duke@435 1557
duke@435 1558 // If this instruction contains a methodOper
duke@435 1559 // Declare Node::methods that set operand method's contents
duke@435 1560 int method_position = instr->method_position();
duke@435 1561 if( method_position != -1 ) {
duke@435 1562 // Set the address method, stored in methodOper::_method
duke@435 1563 fprintf(fp," virtual void method_set( intptr_t method );\n");
duke@435 1564 }
duke@435 1565
duke@435 1566 // virtual functions for attributes
duke@435 1567 //
duke@435 1568 // Each instruction attribute results in a virtual call of same name.
duke@435 1569 // The ins_cost is not handled here.
duke@435 1570 Attribute *attr = instr->_attribs;
kvn@3049 1571 bool avoid_back_to_back = false;
duke@435 1572 while (attr != NULL) {
duke@435 1573 if (strcmp(attr->_ident,"ins_cost") &&
kvn@3040 1574 strcmp(attr->_ident,"ins_short_branch")) {
duke@435 1575 fprintf(fp," int %s() const { return %s; }\n",
duke@435 1576 attr->_ident, attr->_val);
duke@435 1577 }
kvn@3049 1578 // Check value for ins_avoid_back_to_back, and if it is true (1), set the flag
kvn@3049 1579 if (!strcmp(attr->_ident,"ins_avoid_back_to_back") && attr->int_val(*this) != 0)
kvn@3049 1580 avoid_back_to_back = true;
duke@435 1581 attr = (Attribute *)attr->_next;
duke@435 1582 }
duke@435 1583
duke@435 1584 // virtual functions for encode and format
twisti@2350 1585
twisti@2350 1586 // Virtual function for evaluating the constant.
twisti@2350 1587 if (instr->is_mach_constant()) {
twisti@2350 1588 fprintf(fp," virtual void eval_constant(Compile* C);\n");
twisti@2350 1589 }
twisti@2350 1590
duke@435 1591 // Output the opcode function and the encode function here using the
duke@435 1592 // encoding class information in the _insencode slot.
duke@435 1593 if ( instr->_insencode ) {
duke@435 1594 fprintf(fp," virtual void emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const;\n");
duke@435 1595 }
duke@435 1596
duke@435 1597 // virtual function for getting the size of an instruction
duke@435 1598 if ( instr->_size ) {
twisti@2350 1599 fprintf(fp," virtual uint size(PhaseRegAlloc *ra_) const;\n");
duke@435 1600 }
duke@435 1601
duke@435 1602 // Return the top-level ideal opcode.
duke@435 1603 // Use MachNode::ideal_Opcode() for nodes based on MachNode class
duke@435 1604 // if the ideal_Opcode == Op_Node.
duke@435 1605 if ( strcmp("Node", instr->ideal_Opcode(_globalNames)) != 0 ||
never@1896 1606 strcmp("MachNode", instr->mach_base_class(_globalNames)) != 0 ) {
duke@435 1607 fprintf(fp," virtual int ideal_Opcode() const { return Op_%s; }\n",
duke@435 1608 instr->ideal_Opcode(_globalNames) );
duke@435 1609 }
duke@435 1610
duke@435 1611 // Allow machine-independent optimization, invert the sense of the IF test
duke@435 1612 if( instr->is_ideal_if() ) {
duke@435 1613 fprintf(fp," virtual void negate() { \n");
duke@435 1614 // Identify which operand contains the negate(able) ideal condition code
duke@435 1615 int idx = 0;
duke@435 1616 instr->_components.reset();
duke@435 1617 for( Component *comp; (comp = instr->_components.iter()) != NULL; ) {
duke@435 1618 // Check that component is an operand
duke@435 1619 Form *form = (Form*)_globalNames[comp->_type];
duke@435 1620 OperandForm *opForm = form ? form->is_operand() : NULL;
duke@435 1621 if( opForm == NULL ) continue;
duke@435 1622
duke@435 1623 // Lookup the position of the operand in the instruction.
duke@435 1624 if( opForm->is_ideal_bool() ) {
duke@435 1625 idx = instr->operand_position(comp->_name, comp->_usedef);
duke@435 1626 assert( idx != NameList::Not_in_list, "Did not find component in list that contained it.");
duke@435 1627 break;
duke@435 1628 }
duke@435 1629 }
duke@435 1630 fprintf(fp," opnd_array(%d)->negate();\n", idx);
duke@435 1631 fprintf(fp," _prob = 1.0f - _prob;\n");
duke@435 1632 fprintf(fp," };\n");
duke@435 1633 }
duke@435 1634
duke@435 1635
duke@435 1636 // Identify which input register matches the input register.
duke@435 1637 uint matching_input = instr->two_address(_globalNames);
duke@435 1638
duke@435 1639 // Generate the method if it returns != 0 otherwise use MachNode::two_adr()
duke@435 1640 if( matching_input != 0 ) {
duke@435 1641 fprintf(fp," virtual uint two_adr() const ");
duke@435 1642 fprintf(fp,"{ return oper_input_base()");
duke@435 1643 for( uint i = 2; i <= matching_input; i++ )
duke@435 1644 fprintf(fp," + opnd_array(%d)->num_edges()",i-1);
duke@435 1645 fprintf(fp,"; }\n");
duke@435 1646 }
duke@435 1647
duke@435 1648 // Declare cisc_version, if applicable
duke@435 1649 // MachNode *cisc_version( int offset /* ,... */ );
duke@435 1650 instr->declare_cisc_version(*this, fp);
duke@435 1651
duke@435 1652 // If there is an explicit peephole rule, build it
duke@435 1653 if ( instr->peepholes() != NULL ) {
duke@435 1654 fprintf(fp," virtual MachNode *peephole(Block *block, int block_index, PhaseRegAlloc *ra_, int &deleted, Compile *C);\n");
duke@435 1655 }
duke@435 1656
duke@435 1657 // Output the declaration for number of relocation entries
duke@435 1658 if ( instr->reloc(_globalNames) != 0 ) {
duke@435 1659 fprintf(fp," virtual int reloc() const;\n");
duke@435 1660 }
duke@435 1661
duke@435 1662 if (instr->alignment() != 1) {
duke@435 1663 fprintf(fp," virtual int alignment_required() const { return %d; }\n", instr->alignment());
duke@435 1664 fprintf(fp," virtual int compute_padding(int current_offset) const;\n");
duke@435 1665 }
duke@435 1666
duke@435 1667 // Starting point for inputs matcher wants.
duke@435 1668 // Use MachNode::oper_input_base() for nodes based on MachNode class
duke@435 1669 // if the base == 1.
duke@435 1670 if ( instr->oper_input_base(_globalNames) != 1 ||
never@1896 1671 strcmp("MachNode", instr->mach_base_class(_globalNames)) != 0 ) {
duke@435 1672 fprintf(fp," virtual uint oper_input_base() const { return %d; }\n",
duke@435 1673 instr->oper_input_base(_globalNames));
duke@435 1674 }
duke@435 1675
duke@435 1676 // Make the constructor and following methods 'public:'
duke@435 1677 fprintf(fp,"public:\n");
duke@435 1678
duke@435 1679 // Constructor
duke@435 1680 if ( instr->is_ideal_jump() ) {
duke@435 1681 fprintf(fp," %sNode() : _index2label(MinJumpTableSize*2) { ", instr->_ident);
duke@435 1682 } else {
duke@435 1683 fprintf(fp," %sNode() { ", instr->_ident);
duke@435 1684 if( can_cisc_spill() && (instr->cisc_spill_alternate() != NULL) ) {
duke@435 1685 fprintf(fp,"_cisc_RegMask = NULL; ");
duke@435 1686 }
duke@435 1687 }
duke@435 1688
duke@435 1689 fprintf(fp," _num_opnds = %d; _opnds = _opnd_array; ", instr->num_opnds());
duke@435 1690
duke@435 1691 bool node_flags_set = false;
duke@435 1692 // flag: if this instruction matches an ideal 'Copy*' node
duke@435 1693 if ( instr->is_ideal_copy() != 0 ) {
kvn@3040 1694 fprintf(fp,"init_flags(Flag_is_Copy");
kvn@3040 1695 node_flags_set = true;
duke@435 1696 }
duke@435 1697
duke@435 1698 // Is an instruction is a constant? If so, get its type
duke@435 1699 Form::DataType data_type;
duke@435 1700 const char *opType = NULL;
duke@435 1701 const char *result = NULL;
duke@435 1702 data_type = instr->is_chain_of_constant(_globalNames, opType, result);
duke@435 1703 // Check if this instruction is a constant
duke@435 1704 if ( data_type != Form::none ) {
duke@435 1705 if ( node_flags_set ) {
duke@435 1706 fprintf(fp," | Flag_is_Con");
duke@435 1707 } else {
duke@435 1708 fprintf(fp,"init_flags(Flag_is_Con");
duke@435 1709 node_flags_set = true;
duke@435 1710 }
duke@435 1711 }
duke@435 1712
duke@435 1713 // flag: if this instruction is cisc alternate
duke@435 1714 if ( can_cisc_spill() && instr->is_cisc_alternate() ) {
duke@435 1715 if ( node_flags_set ) {
duke@435 1716 fprintf(fp," | Flag_is_cisc_alternate");
duke@435 1717 } else {
duke@435 1718 fprintf(fp,"init_flags(Flag_is_cisc_alternate");
duke@435 1719 node_flags_set = true;
duke@435 1720 }
duke@435 1721 }
duke@435 1722
duke@435 1723 // flag: if this instruction has short branch form
duke@435 1724 if ( instr->has_short_branch_form() ) {
duke@435 1725 if ( node_flags_set ) {
duke@435 1726 fprintf(fp," | Flag_may_be_short_branch");
duke@435 1727 } else {
duke@435 1728 fprintf(fp,"init_flags(Flag_may_be_short_branch");
duke@435 1729 node_flags_set = true;
duke@435 1730 }
duke@435 1731 }
duke@435 1732
kvn@3049 1733 // flag: if this instruction should not be generated back to back.
kvn@3049 1734 if ( avoid_back_to_back ) {
kvn@3049 1735 if ( node_flags_set ) {
kvn@3049 1736 fprintf(fp," | Flag_avoid_back_to_back");
kvn@3049 1737 } else {
kvn@3049 1738 fprintf(fp,"init_flags(Flag_avoid_back_to_back");
kvn@3049 1739 node_flags_set = true;
kvn@3049 1740 }
kvn@3049 1741 }
kvn@3049 1742
duke@435 1743 // Check if machine instructions that USE memory, but do not DEF memory,
duke@435 1744 // depend upon a node that defines memory in machine-independent graph.
duke@435 1745 if ( instr->needs_anti_dependence_check(_globalNames) ) {
duke@435 1746 if ( node_flags_set ) {
duke@435 1747 fprintf(fp," | Flag_needs_anti_dependence_check");
duke@435 1748 } else {
duke@435 1749 fprintf(fp,"init_flags(Flag_needs_anti_dependence_check");
duke@435 1750 node_flags_set = true;
duke@435 1751 }
duke@435 1752 }
duke@435 1753
roland@3316 1754 // flag: if this instruction is implemented with a call
roland@3316 1755 if ( instr->_has_call ) {
roland@3316 1756 if ( node_flags_set ) {
roland@3316 1757 fprintf(fp," | Flag_has_call");
roland@3316 1758 } else {
roland@3316 1759 fprintf(fp,"init_flags(Flag_has_call");
roland@3316 1760 node_flags_set = true;
roland@3316 1761 }
roland@3316 1762 }
roland@3316 1763
duke@435 1764 if ( node_flags_set ) {
duke@435 1765 fprintf(fp,"); ");
duke@435 1766 }
duke@435 1767
duke@435 1768 fprintf(fp,"}\n");
duke@435 1769
duke@435 1770 // size_of, used by base class's clone to obtain the correct size.
duke@435 1771 fprintf(fp," virtual uint size_of() const {");
duke@435 1772 fprintf(fp, " return sizeof(%sNode);", instr->_ident);
duke@435 1773 fprintf(fp, " }\n");
duke@435 1774
duke@435 1775 // Virtual methods which are only generated to override base class
duke@435 1776 if( instr->expands() || instr->needs_projections() ||
duke@435 1777 instr->has_temps() ||
twisti@2350 1778 instr->is_mach_constant() ||
duke@435 1779 instr->_matrule != NULL &&
duke@435 1780 instr->num_opnds() != instr->num_unique_opnds() ) {
never@1638 1781 fprintf(fp," virtual MachNode *Expand(State *state, Node_List &proj_list, Node* mem);\n");
duke@435 1782 }
duke@435 1783
duke@435 1784 if (instr->is_pinned(_globalNames)) {
duke@435 1785 fprintf(fp," virtual bool pinned() const { return ");
duke@435 1786 if (instr->is_parm(_globalNames)) {
duke@435 1787 fprintf(fp,"_in[0]->pinned();");
duke@435 1788 } else {
duke@435 1789 fprintf(fp,"true;");
duke@435 1790 }
duke@435 1791 fprintf(fp," }\n");
duke@435 1792 }
duke@435 1793 if (instr->is_projection(_globalNames)) {
duke@435 1794 fprintf(fp," virtual const Node *is_block_proj() const { return this; }\n");
duke@435 1795 }
duke@435 1796 if ( instr->num_post_match_opnds() != 0
duke@435 1797 || instr->is_chain_of_constant(_globalNames) ) {
duke@435 1798 fprintf(fp," friend MachNode *State::MachNodeGenerator(int opcode, Compile* C);\n");
duke@435 1799 }
duke@435 1800 if ( instr->rematerialize(_globalNames, get_registers()) ) {
duke@435 1801 fprintf(fp," // Rematerialize %s\n", instr->_ident);
duke@435 1802 }
duke@435 1803
duke@435 1804 // Declare short branch methods, if applicable
duke@435 1805 instr->declare_short_branch_methods(fp);
duke@435 1806
duke@435 1807 // See if there is an "ins_pipe" declaration for this instruction
duke@435 1808 if (instr->_ins_pipe) {
duke@435 1809 fprintf(fp," static const Pipeline *pipeline_class();\n");
duke@435 1810 fprintf(fp," virtual const Pipeline *pipeline() const;\n");
duke@435 1811 }
duke@435 1812
duke@435 1813 // Generate virtual function for MachNodeX::bottom_type when necessary
duke@435 1814 //
duke@435 1815 // Note on accuracy: Pointer-types of machine nodes need to be accurate,
duke@435 1816 // or else alias analysis on the matched graph may produce bad code.
duke@435 1817 // Moreover, the aliasing decisions made on machine-node graph must be
duke@435 1818 // no less accurate than those made on the ideal graph, or else the graph
duke@435 1819 // may fail to schedule. (Reason: Memory ops which are reordered in
duke@435 1820 // the ideal graph might look interdependent in the machine graph,
duke@435 1821 // thereby removing degrees of scheduling freedom that the optimizer
duke@435 1822 // assumed would be available.)
duke@435 1823 //
duke@435 1824 // %%% We should handle many of these cases with an explicit ADL clause:
duke@435 1825 // instruct foo() %{ ... bottom_type(TypeRawPtr::BOTTOM); ... %}
duke@435 1826 if( data_type != Form::none ) {
duke@435 1827 // A constant's bottom_type returns a Type containing its constant value
duke@435 1828
duke@435 1829 // !!!!!
duke@435 1830 // Convert all ints, floats, ... to machine-independent TypeXs
duke@435 1831 // as is done for pointers
duke@435 1832 //
duke@435 1833 // Construct appropriate constant type containing the constant value.
duke@435 1834 fprintf(fp," virtual const class Type *bottom_type() const{\n");
duke@435 1835 switch( data_type ) {
duke@435 1836 case Form::idealI:
duke@435 1837 fprintf(fp," return TypeInt::make(opnd_array(1)->constant());\n");
duke@435 1838 break;
duke@435 1839 case Form::idealP:
coleenp@548 1840 case Form::idealN:
roland@4159 1841 case Form::idealNKlass:
twisti@1038 1842 fprintf(fp," return opnd_array(1)->type();\n");
duke@435 1843 break;
duke@435 1844 case Form::idealD:
duke@435 1845 fprintf(fp," return TypeD::make(opnd_array(1)->constantD());\n");
duke@435 1846 break;
duke@435 1847 case Form::idealF:
duke@435 1848 fprintf(fp," return TypeF::make(opnd_array(1)->constantF());\n");
duke@435 1849 break;
duke@435 1850 case Form::idealL:
duke@435 1851 fprintf(fp," return TypeLong::make(opnd_array(1)->constantL());\n");
duke@435 1852 break;
duke@435 1853 default:
duke@435 1854 assert( false, "Unimplemented()" );
duke@435 1855 break;
duke@435 1856 }
duke@435 1857 fprintf(fp," };\n");
duke@435 1858 }
duke@435 1859 /* else if ( instr->_matrule && instr->_matrule->_rChild &&
duke@435 1860 ( strcmp("ConvF2I",instr->_matrule->_rChild->_opType)==0
duke@435 1861 || strcmp("ConvD2I",instr->_matrule->_rChild->_opType)==0 ) ) {
duke@435 1862 // !!!!! !!!!!
duke@435 1863 // Provide explicit bottom type for conversions to int
duke@435 1864 // On Intel the result operand is a stackSlot, untyped.
duke@435 1865 fprintf(fp," virtual const class Type *bottom_type() const{");
duke@435 1866 fprintf(fp, " return TypeInt::INT;");
duke@435 1867 fprintf(fp, " };\n");
duke@435 1868 }*/
duke@435 1869 else if( instr->is_ideal_copy() &&
duke@435 1870 !strcmp(instr->_matrule->_lChild->_opType,"stackSlotP") ) {
duke@435 1871 // !!!!!
duke@435 1872 // Special hack for ideal Copy of pointer. Bottom type is oop or not depending on input.
duke@435 1873 fprintf(fp," const Type *bottom_type() const { return in(1)->bottom_type(); } // Copy?\n");
duke@435 1874 }
duke@435 1875 else if( instr->is_ideal_loadPC() ) {
duke@435 1876 // LoadPCNode provides the return address of a call to native code.
duke@435 1877 // Define its bottom type to be TypeRawPtr::BOTTOM instead of TypePtr::BOTTOM
duke@435 1878 // since it is a pointer to an internal VM location and must have a zero offset.
duke@435 1879 // Allocation detects derived pointers, in part, by their non-zero offsets.
duke@435 1880 fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // LoadPC?\n");
duke@435 1881 }
duke@435 1882 else if( instr->is_ideal_box() ) {
duke@435 1883 // BoxNode provides the address of a stack slot.
duke@435 1884 // Define its bottom type to be TypeRawPtr::BOTTOM instead of TypePtr::BOTTOM
duke@435 1885 // This prevent s insert_anti_dependencies from complaining. It will
duke@435 1886 // complain if it see that the pointer base is TypePtr::BOTTOM since
duke@435 1887 // it doesn't understand what that might alias.
duke@435 1888 fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // Box?\n");
duke@435 1889 }
duke@435 1890 else if( instr->_matrule && instr->_matrule->_rChild && !strcmp(instr->_matrule->_rChild->_opType,"CMoveP") ) {
duke@435 1891 int offset = 1;
duke@435 1892 // Special special hack to see if the Cmp? has been incorporated in the conditional move
duke@435 1893 MatchNode *rl = instr->_matrule->_rChild->_lChild;
duke@435 1894 if( rl && !strcmp(rl->_opType, "Binary") ) {
duke@435 1895 MatchNode *rlr = rl->_rChild;
duke@435 1896 if (rlr && strncmp(rlr->_opType, "Cmp", 3) == 0)
duke@435 1897 offset = 2;
duke@435 1898 }
duke@435 1899 // Special hack for ideal CMoveP; ideal type depends on inputs
duke@435 1900 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 1901 offset, offset+1, offset+1);
duke@435 1902 }
kvn@728 1903 else if( instr->_matrule && instr->_matrule->_rChild && !strcmp(instr->_matrule->_rChild->_opType,"CMoveN") ) {
kvn@728 1904 int offset = 1;
kvn@728 1905 // Special special hack to see if the Cmp? has been incorporated in the conditional move
kvn@728 1906 MatchNode *rl = instr->_matrule->_rChild->_lChild;
kvn@728 1907 if( rl && !strcmp(rl->_opType, "Binary") ) {
kvn@728 1908 MatchNode *rlr = rl->_rChild;
kvn@728 1909 if (rlr && strncmp(rlr->_opType, "Cmp", 3) == 0)
kvn@728 1910 offset = 2;
kvn@728 1911 }
kvn@728 1912 // Special hack for ideal CMoveN; ideal type depends on inputs
kvn@728 1913 fprintf(fp," const Type *bottom_type() const { const Type *t = in(oper_input_base()+%d)->bottom_type(); return (req() <= oper_input_base()+%d) ? t : t->meet(in(oper_input_base()+%d)->bottom_type()); } // CMoveN\n",
kvn@728 1914 offset, offset+1, offset+1);
kvn@728 1915 }
duke@435 1916 else if (instr->is_tls_instruction()) {
duke@435 1917 // Special hack for tlsLoadP
duke@435 1918 fprintf(fp," const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } // tlsLoadP\n");
duke@435 1919 }
duke@435 1920 else if ( instr->is_ideal_if() ) {
duke@435 1921 fprintf(fp," const Type *bottom_type() const { return TypeTuple::IFBOTH; } // matched IfNode\n");
duke@435 1922 }
duke@435 1923 else if ( instr->is_ideal_membar() ) {
duke@435 1924 fprintf(fp," const Type *bottom_type() const { return TypeTuple::MEMBAR; } // matched MemBar\n");
duke@435 1925 }
duke@435 1926
duke@435 1927 // Check where 'ideal_type' must be customized
duke@435 1928 /*
duke@435 1929 if ( instr->_matrule && instr->_matrule->_rChild &&
duke@435 1930 ( strcmp("ConvF2I",instr->_matrule->_rChild->_opType)==0
duke@435 1931 || strcmp("ConvD2I",instr->_matrule->_rChild->_opType)==0 ) ) {
duke@435 1932 fprintf(fp," virtual uint ideal_reg() const { return Compile::current()->matcher()->base2reg[Type::Int]; }\n");
duke@435 1933 }*/
duke@435 1934
duke@435 1935 // Analyze machine instructions that either USE or DEF memory.
duke@435 1936 int memory_operand = instr->memory_operand(_globalNames);
duke@435 1937 // Some guys kill all of memory
duke@435 1938 if ( instr->is_wide_memory_kill(_globalNames) ) {
duke@435 1939 memory_operand = InstructForm::MANY_MEMORY_OPERANDS;
duke@435 1940 }
duke@435 1941 if ( memory_operand != InstructForm::NO_MEMORY_OPERAND ) {
duke@435 1942 if( memory_operand == InstructForm::MANY_MEMORY_OPERANDS ) {
duke@435 1943 fprintf(fp," virtual const TypePtr *adr_type() const;\n");
duke@435 1944 }
duke@435 1945 fprintf(fp," virtual const MachOper *memory_operand() const;\n");
duke@435 1946 }
duke@435 1947
duke@435 1948 fprintf(fp, "#ifndef PRODUCT\n");
duke@435 1949
duke@435 1950 // virtual function for generating the user's assembler output
duke@435 1951 gen_inst_format(fp, _globalNames,*instr);
duke@435 1952
duke@435 1953 // Machine independent print functionality for debugging
duke@435 1954 fprintf(fp," virtual const char *Name() const { return \"%s\";}\n",
duke@435 1955 instr->_ident);
duke@435 1956
duke@435 1957 fprintf(fp, "#endif\n");
duke@435 1958
duke@435 1959 // Close definition of this XxxMachNode
duke@435 1960 fprintf(fp,"};\n");
duke@435 1961 };
duke@435 1962
duke@435 1963 }
duke@435 1964
duke@435 1965 void ArchDesc::defineStateClass(FILE *fp) {
duke@435 1966 static const char *state__valid = "_valid[((uint)index) >> 5] & (0x1 << (((uint)index) & 0x0001F))";
duke@435 1967 static const char *state__set_valid= "_valid[((uint)index) >> 5] |= (0x1 << (((uint)index) & 0x0001F))";
duke@435 1968
duke@435 1969 fprintf(fp,"\n");
duke@435 1970 fprintf(fp,"// MACROS to inline and constant fold State::valid(index)...\n");
duke@435 1971 fprintf(fp,"// when given a constant 'index' in dfa_<arch>.cpp\n");
duke@435 1972 fprintf(fp,"// uint word = index >> 5; // Shift out bit position\n");
duke@435 1973 fprintf(fp,"// uint bitpos = index & 0x0001F; // Mask off word bits\n");
duke@435 1974 fprintf(fp,"#define STATE__VALID(index) ");
duke@435 1975 fprintf(fp," (%s)\n", state__valid);
duke@435 1976 fprintf(fp,"\n");
duke@435 1977 fprintf(fp,"#define STATE__NOT_YET_VALID(index) ");
duke@435 1978 fprintf(fp," ( (%s) == 0 )\n", state__valid);
duke@435 1979 fprintf(fp,"\n");
duke@435 1980 fprintf(fp,"#define STATE__VALID_CHILD(state,index) ");
duke@435 1981 fprintf(fp," ( state && (state->%s) )\n", state__valid);
duke@435 1982 fprintf(fp,"\n");
duke@435 1983 fprintf(fp,"#define STATE__SET_VALID(index) ");
duke@435 1984 fprintf(fp," (%s)\n", state__set_valid);
duke@435 1985 fprintf(fp,"\n");
duke@435 1986 fprintf(fp,
duke@435 1987 "//---------------------------State-------------------------------------------\n");
duke@435 1988 fprintf(fp,"// State contains an integral cost vector, indexed by machine operand opcodes,\n");
duke@435 1989 fprintf(fp,"// a rule vector consisting of machine operand/instruction opcodes, and also\n");
duke@435 1990 fprintf(fp,"// indexed by machine operand opcodes, pointers to the children in the label\n");
duke@435 1991 fprintf(fp,"// tree generated by the Label routines in ideal nodes (currently limited to\n");
duke@435 1992 fprintf(fp,"// two for convenience, but this could change).\n");
duke@435 1993 fprintf(fp,"class State : public ResourceObj {\n");
duke@435 1994 fprintf(fp,"public:\n");
duke@435 1995 fprintf(fp," int _id; // State identifier\n");
duke@435 1996 fprintf(fp," Node *_leaf; // Ideal (non-machine-node) leaf of match tree\n");
duke@435 1997 fprintf(fp," State *_kids[2]; // Children of state node in label tree\n");
duke@435 1998 fprintf(fp," unsigned int _cost[_LAST_MACH_OPER]; // Cost vector, indexed by operand opcodes\n");
duke@435 1999 fprintf(fp," unsigned int _rule[_LAST_MACH_OPER]; // Rule vector, indexed by operand opcodes\n");
duke@435 2000 fprintf(fp," unsigned int _valid[(_LAST_MACH_OPER/32)+1]; // Bit Map of valid Cost/Rule entries\n");
duke@435 2001 fprintf(fp,"\n");
duke@435 2002 fprintf(fp," State(void); // Constructor\n");
duke@435 2003 fprintf(fp," DEBUG_ONLY( ~State(void); ) // Destructor\n");
duke@435 2004 fprintf(fp,"\n");
duke@435 2005 fprintf(fp," // Methods created by ADLC and invoked by Reduce\n");
duke@435 2006 fprintf(fp," MachOper *MachOperGenerator( int opcode, Compile* C );\n");
duke@435 2007 fprintf(fp," MachNode *MachNodeGenerator( int opcode, Compile* C );\n");
duke@435 2008 fprintf(fp,"\n");
duke@435 2009 fprintf(fp," // Assign a state to a node, definition of method produced by ADLC\n");
duke@435 2010 fprintf(fp," bool DFA( int opcode, const Node *ideal );\n");
duke@435 2011 fprintf(fp,"\n");
duke@435 2012 fprintf(fp," // Access function for _valid bit vector\n");
duke@435 2013 fprintf(fp," bool valid(uint index) {\n");
duke@435 2014 fprintf(fp," return( STATE__VALID(index) != 0 );\n");
duke@435 2015 fprintf(fp," }\n");
duke@435 2016 fprintf(fp,"\n");
duke@435 2017 fprintf(fp," // Set function for _valid bit vector\n");
duke@435 2018 fprintf(fp," void set_valid(uint index) {\n");
duke@435 2019 fprintf(fp," STATE__SET_VALID(index);\n");
duke@435 2020 fprintf(fp," }\n");
duke@435 2021 fprintf(fp,"\n");
duke@435 2022 fprintf(fp,"#ifndef PRODUCT\n");
duke@435 2023 fprintf(fp," void dump(); // Debugging prints\n");
duke@435 2024 fprintf(fp," void dump(int depth);\n");
duke@435 2025 fprintf(fp,"#endif\n");
duke@435 2026 if (_dfa_small) {
duke@435 2027 // Generate the routine name we'll need
duke@435 2028 for (int i = 1; i < _last_opcode; i++) {
duke@435 2029 if (_mlistab[i] == NULL) continue;
duke@435 2030 fprintf(fp, " void _sub_Op_%s(const Node *n);\n", NodeClassNames[i]);
duke@435 2031 }
duke@435 2032 }
duke@435 2033 fprintf(fp,"};\n");
duke@435 2034 fprintf(fp,"\n");
duke@435 2035 fprintf(fp,"\n");
duke@435 2036
duke@435 2037 }
duke@435 2038
duke@435 2039
duke@435 2040 //---------------------------buildMachOperEnum---------------------------------
duke@435 2041 // Build enumeration for densely packed operands.
duke@435 2042 // This enumeration is used to index into the arrays in the State objects
duke@435 2043 // that indicate cost and a successfull rule match.
duke@435 2044
duke@435 2045 // Information needed to generate the ReduceOp mapping for the DFA
duke@435 2046 class OutputMachOperands : public OutputMap {
duke@435 2047 public:
duke@435 2048 OutputMachOperands(FILE *hpp, FILE *cpp, FormDict &globals, ArchDesc &AD)
duke@435 2049 : OutputMap(hpp, cpp, globals, AD) {};
duke@435 2050
duke@435 2051 void declaration() { }
duke@435 2052 void definition() { fprintf(_cpp, "enum MachOperands {\n"); }
duke@435 2053 void closing() { fprintf(_cpp, " _LAST_MACH_OPER\n");
duke@435 2054 OutputMap::closing();
duke@435 2055 }
duke@435 2056 void map(OpClassForm &opc) { fprintf(_cpp, " %s", _AD.machOperEnum(opc._ident) ); }
duke@435 2057 void map(OperandForm &oper) { fprintf(_cpp, " %s", _AD.machOperEnum(oper._ident) ); }
duke@435 2058 void map(char *name) { fprintf(_cpp, " %s", _AD.machOperEnum(name)); }
duke@435 2059
duke@435 2060 bool do_instructions() { return false; }
duke@435 2061 void map(InstructForm &inst){ assert( false, "ShouldNotCallThis()"); }
duke@435 2062 };
duke@435 2063
duke@435 2064
duke@435 2065 void ArchDesc::buildMachOperEnum(FILE *fp_hpp) {
duke@435 2066 // Construct the table for MachOpcodes
duke@435 2067 OutputMachOperands output_mach_operands(fp_hpp, fp_hpp, _globalNames, *this);
duke@435 2068 build_map(output_mach_operands);
duke@435 2069 }
duke@435 2070
duke@435 2071
duke@435 2072 //---------------------------buildMachEnum----------------------------------
duke@435 2073 // Build enumeration for all MachOpers and all MachNodes
duke@435 2074
duke@435 2075 // Information needed to generate the ReduceOp mapping for the DFA
duke@435 2076 class OutputMachOpcodes : public OutputMap {
duke@435 2077 int begin_inst_chain_rule;
duke@435 2078 int end_inst_chain_rule;
duke@435 2079 int begin_rematerialize;
duke@435 2080 int end_rematerialize;
duke@435 2081 int end_instructions;
duke@435 2082 public:
duke@435 2083 OutputMachOpcodes(FILE *hpp, FILE *cpp, FormDict &globals, ArchDesc &AD)
duke@435 2084 : OutputMap(hpp, cpp, globals, AD),
duke@435 2085 begin_inst_chain_rule(-1), end_inst_chain_rule(-1), end_instructions(-1)
duke@435 2086 {};
duke@435 2087
duke@435 2088 void declaration() { }
duke@435 2089 void definition() { fprintf(_cpp, "enum MachOpcodes {\n"); }
duke@435 2090 void closing() {
duke@435 2091 if( begin_inst_chain_rule != -1 )
duke@435 2092 fprintf(_cpp, " _BEGIN_INST_CHAIN_RULE = %d,\n", begin_inst_chain_rule);
duke@435 2093 if( end_inst_chain_rule != -1 )
duke@435 2094 fprintf(_cpp, " _END_INST_CHAIN_RULE = %d,\n", end_inst_chain_rule);
duke@435 2095 if( begin_rematerialize != -1 )
duke@435 2096 fprintf(_cpp, " _BEGIN_REMATERIALIZE = %d,\n", begin_rematerialize);
duke@435 2097 if( end_rematerialize != -1 )
duke@435 2098 fprintf(_cpp, " _END_REMATERIALIZE = %d,\n", end_rematerialize);
duke@435 2099 // always execute since do_instructions() is true, and avoids trailing comma
duke@435 2100 fprintf(_cpp, " _last_Mach_Node = %d \n", end_instructions);
duke@435 2101 OutputMap::closing();
duke@435 2102 }
duke@435 2103 void map(OpClassForm &opc) { fprintf(_cpp, " %s_rule", opc._ident ); }
duke@435 2104 void map(OperandForm &oper) { fprintf(_cpp, " %s_rule", oper._ident ); }
duke@435 2105 void map(char *name) { if (name) fprintf(_cpp, " %s_rule", name);
duke@435 2106 else fprintf(_cpp, " 0"); }
duke@435 2107 void map(InstructForm &inst) {fprintf(_cpp, " %s_rule", inst._ident ); }
duke@435 2108
duke@435 2109 void record_position(OutputMap::position place, int idx ) {
duke@435 2110 switch(place) {
duke@435 2111 case OutputMap::BEGIN_INST_CHAIN_RULES :
duke@435 2112 begin_inst_chain_rule = idx;
duke@435 2113 break;
duke@435 2114 case OutputMap::END_INST_CHAIN_RULES :
duke@435 2115 end_inst_chain_rule = idx;
duke@435 2116 break;
duke@435 2117 case OutputMap::BEGIN_REMATERIALIZE :
duke@435 2118 begin_rematerialize = idx;
duke@435 2119 break;
duke@435 2120 case OutputMap::END_REMATERIALIZE :
duke@435 2121 end_rematerialize = idx;
duke@435 2122 break;
duke@435 2123 case OutputMap::END_INSTRUCTIONS :
duke@435 2124 end_instructions = idx;
duke@435 2125 break;
duke@435 2126 default:
duke@435 2127 break;
duke@435 2128 }
duke@435 2129 }
duke@435 2130 };
duke@435 2131
duke@435 2132
duke@435 2133 void ArchDesc::buildMachOpcodesEnum(FILE *fp_hpp) {
duke@435 2134 // Construct the table for MachOpcodes
duke@435 2135 OutputMachOpcodes output_mach_opcodes(fp_hpp, fp_hpp, _globalNames, *this);
duke@435 2136 build_map(output_mach_opcodes);
duke@435 2137 }
duke@435 2138
duke@435 2139
duke@435 2140 // Generate an enumeration of the pipeline states, and both
duke@435 2141 // the functional units (resources) and the masks for
duke@435 2142 // specifying resources
duke@435 2143 void ArchDesc::build_pipeline_enums(FILE *fp_hpp) {
duke@435 2144 int stagelen = (int)strlen("undefined");
duke@435 2145 int stagenum = 0;
duke@435 2146
duke@435 2147 if (_pipeline) { // Find max enum string length
duke@435 2148 const char *stage;
duke@435 2149 for ( _pipeline->_stages.reset(); (stage = _pipeline->_stages.iter()) != NULL; ) {
duke@435 2150 int len = (int)strlen(stage);
duke@435 2151 if (stagelen < len) stagelen = len;
duke@435 2152 }
duke@435 2153 }
duke@435 2154
duke@435 2155 // Generate a list of stages
duke@435 2156 fprintf(fp_hpp, "\n");
duke@435 2157 fprintf(fp_hpp, "// Pipeline Stages\n");
duke@435 2158 fprintf(fp_hpp, "enum machPipelineStages {\n");
duke@435 2159 fprintf(fp_hpp, " stage_%-*s = 0,\n", stagelen, "undefined");
duke@435 2160
duke@435 2161 if( _pipeline ) {
duke@435 2162 const char *stage;
duke@435 2163 for ( _pipeline->_stages.reset(); (stage = _pipeline->_stages.iter()) != NULL; )
duke@435 2164 fprintf(fp_hpp, " stage_%-*s = %d,\n", stagelen, stage, ++stagenum);
duke@435 2165 }
duke@435 2166
duke@435 2167 fprintf(fp_hpp, " stage_%-*s = %d\n", stagelen, "count", stagenum);
duke@435 2168 fprintf(fp_hpp, "};\n");
duke@435 2169
duke@435 2170 fprintf(fp_hpp, "\n");
duke@435 2171 fprintf(fp_hpp, "// Pipeline Resources\n");
duke@435 2172 fprintf(fp_hpp, "enum machPipelineResources {\n");
duke@435 2173 int rescount = 0;
duke@435 2174
duke@435 2175 if( _pipeline ) {
duke@435 2176 const char *resource;
duke@435 2177 int reslen = 0;
duke@435 2178
duke@435 2179 // Generate a list of resources, and masks
duke@435 2180 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
duke@435 2181 int len = (int)strlen(resource);
duke@435 2182 if (reslen < len)
duke@435 2183 reslen = len;
duke@435 2184 }
duke@435 2185
duke@435 2186 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
duke@435 2187 const ResourceForm *resform = _pipeline->_resdict[resource]->is_resource();
duke@435 2188 int mask = resform->mask();
duke@435 2189 if ((mask & (mask-1)) == 0)
duke@435 2190 fprintf(fp_hpp, " resource_%-*s = %d,\n", reslen, resource, rescount++);
duke@435 2191 }
duke@435 2192 fprintf(fp_hpp, "\n");
duke@435 2193 for ( _pipeline->_reslist.reset(); (resource = _pipeline->_reslist.iter()) != NULL; ) {
duke@435 2194 const ResourceForm *resform = _pipeline->_resdict[resource]->is_resource();
duke@435 2195 fprintf(fp_hpp, " res_mask_%-*s = 0x%08x,\n", reslen, resource, resform->mask());
duke@435 2196 }
duke@435 2197 fprintf(fp_hpp, "\n");
duke@435 2198 }
duke@435 2199 fprintf(fp_hpp, " resource_count = %d\n", rescount);
duke@435 2200 fprintf(fp_hpp, "};\n");
duke@435 2201 }

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