1 /* 2 * Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25 #include "incls/_precompiled.incl" 26 #include "incls/_machnode.cpp.incl" 27 28 //============================================================================= 29 // Return the value requested 30 // result register lookup, corresponding to int_format 31 int MachOper::reg(PhaseRegAlloc *ra_, const Node *node) const { 32 return (int)ra_->get_encode(node); 33 } 34 // input register lookup, corresponding to ext_format 35 int MachOper::reg(PhaseRegAlloc *ra_, const Node *node, int idx) const { 36 return (int)(ra_->get_encode(node->in(idx))); 37 } 38 intptr_t MachOper::constant() const { return 0x00; } 39 bool MachOper::constant_is_oop() const { return false; } 40 jdouble MachOper::constantD() const { ShouldNotReachHere(); return 0.0; } 41 jfloat MachOper::constantF() const { ShouldNotReachHere(); return 0.0; } 42 jlong MachOper::constantL() const { ShouldNotReachHere(); return CONST64(0) ; } 43 TypeOopPtr *MachOper::oop() const { return NULL; } 44 int MachOper::ccode() const { return 0x00; } 45 // A zero, default, indicates this value is not needed. 46 // May need to lookup the base register, as done in int_ and ext_format 47 int MachOper::base (PhaseRegAlloc *ra_, const Node *node, int idx) const { return 0x00; } 48 int MachOper::index(PhaseRegAlloc *ra_, const Node *node, int idx) const { return 0x00; } 49 int MachOper::scale() const { return 0x00; } 50 int MachOper::disp (PhaseRegAlloc *ra_, const Node *node, int idx) const { return 0x00; } 51 int MachOper::constant_disp() const { return 0; } 52 int MachOper::base_position() const { return -1; } // no base input 53 int MachOper::index_position() const { return -1; } // no index input 54 // Check for PC-Relative displacement 55 bool MachOper::disp_is_oop() const { return false; } 56 // Return the label 57 Label* MachOper::label() const { ShouldNotReachHere(); return 0; } 58 intptr_t MachOper::method() const { ShouldNotReachHere(); return 0; } 59 60 61 //------------------------------negate----------------------------------------- 62 // Negate conditional branches. Error for non-branch operands 63 void MachOper::negate() { 64 ShouldNotCallThis(); 65 } 66 67 //-----------------------------type-------------------------------------------- 68 const Type *MachOper::type() const { 69 return Type::BOTTOM; 70 } 71 72 //------------------------------in_RegMask------------------------------------- 73 const RegMask *MachOper::in_RegMask(int index) const { 74 ShouldNotReachHere(); 75 return NULL; 76 } 77 78 //------------------------------dump_spec-------------------------------------- 79 // Print any per-operand special info 80 #ifndef PRODUCT 81 void MachOper::dump_spec(outputStream *st) const { } 82 #endif 83 84 //------------------------------hash------------------------------------------- 85 // Print any per-operand special info 86 uint MachOper::hash() const { 87 ShouldNotCallThis(); 88 return 5; 89 } 90 91 //------------------------------cmp-------------------------------------------- 92 // Print any per-operand special info 93 uint MachOper::cmp( const MachOper &oper ) const { 94 ShouldNotCallThis(); 95 return opcode() == oper.opcode(); 96 } 97 98 //------------------------------hash------------------------------------------- 99 // Print any per-operand special info 100 uint labelOper::hash() const { 101 return _block_num; 102 } 103 104 //------------------------------cmp-------------------------------------------- 105 // Print any per-operand special info 106 uint labelOper::cmp( const MachOper &oper ) const { 107 return (opcode() == oper.opcode()) && (_label == oper.label()); 108 } 109 110 //------------------------------hash------------------------------------------- 111 // Print any per-operand special info 112 uint methodOper::hash() const { 113 return (uint)_method; 114 } 115 116 //------------------------------cmp-------------------------------------------- 117 // Print any per-operand special info 118 uint methodOper::cmp( const MachOper &oper ) const { 119 return (opcode() == oper.opcode()) && (_method == oper.method()); 120 } 121 122 123 //============================================================================= 124 //------------------------------MachNode--------------------------------------- 125 126 //------------------------------emit------------------------------------------- 127 void MachNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const { 128 #ifdef ASSERT 129 tty->print("missing MachNode emit function: "); 130 dump(); 131 #endif 132 ShouldNotCallThis(); 133 } 134 135 //------------------------------size------------------------------------------- 136 // Size of instruction in bytes 137 uint MachNode::size(PhaseRegAlloc *ra_) const { 138 // If a virtual was not defined for this specific instruction, 139 // Call the helper which finds the size by emitting the bits. 140 return MachNode::emit_size(ra_); 141 } 142 143 //------------------------------size------------------------------------------- 144 // Helper function that computes size by emitting code 145 uint MachNode::emit_size(PhaseRegAlloc *ra_) const { 146 // Emit into a trash buffer and count bytes emitted. 147 assert(ra_ == ra_->C->regalloc(), "sanity"); 148 return ra_->C->scratch_emit_size(this); 149 } 150 151 152 153 //------------------------------hash------------------------------------------- 154 uint MachNode::hash() const { 155 uint no = num_opnds(); 156 uint sum = rule(); 157 for( uint i=0; i<no; i++ ) 158 sum += _opnds[i]->hash(); 159 return sum+Node::hash(); 160 } 161 162 //-----------------------------cmp--------------------------------------------- 163 uint MachNode::cmp( const Node &node ) const { 164 MachNode& n = *((Node&)node).as_Mach(); 165 uint no = num_opnds(); 166 if( no != n.num_opnds() ) return 0; 167 if( rule() != n.rule() ) return 0; 168 for( uint i=0; i<no; i++ ) // All operands must match 169 if( !_opnds[i]->cmp( *n._opnds[i] ) ) 170 return 0; // mis-matched operands 171 return 1; // match 172 } 173 174 // Return an equivalent instruction using memory for cisc_operand position 175 MachNode *MachNode::cisc_version(int offset, Compile* C) { 176 ShouldNotCallThis(); 177 return NULL; 178 } 179 180 void MachNode::use_cisc_RegMask() { 181 ShouldNotReachHere(); 182 } 183 184 185 //-----------------------------in_RegMask-------------------------------------- 186 const RegMask &MachNode::in_RegMask( uint idx ) const { 187 uint numopnds = num_opnds(); // Virtual call for number of operands 188 uint skipped = oper_input_base(); // Sum of leaves skipped so far 189 if( idx < skipped ) { 190 assert( ideal_Opcode() == Op_AddP, "expected base ptr here" ); 191 assert( idx == 1, "expected base ptr here" ); 192 // debug info can be anywhere 193 return *Compile::current()->matcher()->idealreg2spillmask[Op_RegP]; 194 } 195 uint opcnt = 1; // First operand 196 uint num_edges = _opnds[1]->num_edges(); // leaves for first operand 197 while( idx >= skipped+num_edges ) { 198 skipped += num_edges; 199 opcnt++; // Bump operand count 200 assert( opcnt < numopnds, "Accessing non-existent operand" ); 201 num_edges = _opnds[opcnt]->num_edges(); // leaves for next operand 202 } 203 204 const RegMask *rm = cisc_RegMask(); 205 if( rm == NULL || (int)opcnt != cisc_operand() ) { 206 rm = _opnds[opcnt]->in_RegMask(idx-skipped); 207 } 208 return *rm; 209 } 210 211 //-----------------------------memory_inputs-------------------------------- 212 const MachOper* MachNode::memory_inputs(Node* &base, Node* &index) const { 213 const MachOper* oper = memory_operand(); 214 215 if (oper == (MachOper*)-1) { 216 base = NodeSentinel; 217 index = NodeSentinel; 218 } else { 219 base = NULL; 220 index = NULL; 221 if (oper != NULL) { 222 // It has a unique memory operand. Find its index. 223 int oper_idx = num_opnds(); 224 while (--oper_idx >= 0) { 225 if (_opnds[oper_idx] == oper) break; 226 } 227 int oper_pos = operand_index(oper_idx); 228 int base_pos = oper->base_position(); 229 if (base_pos >= 0) { 230 base = _in[oper_pos+base_pos]; 231 } 232 int index_pos = oper->index_position(); 233 if (index_pos >= 0) { 234 index = _in[oper_pos+index_pos]; 235 } 236 } 237 } 238 239 return oper; 240 } 241 242 //-----------------------------get_base_and_disp---------------------------- 243 const Node* MachNode::get_base_and_disp(intptr_t &offset, const TypePtr* &adr_type) const { 244 245 // Find the memory inputs using our helper function 246 Node* base; 247 Node* index; 248 const MachOper* oper = memory_inputs(base, index); 249 250 if (oper == NULL) { 251 // Base has been set to NULL 252 offset = 0; 253 } else if (oper == (MachOper*)-1) { 254 // Base has been set to NodeSentinel 255 // There is not a unique memory use here. We will fall to AliasIdxBot. 256 offset = Type::OffsetBot; 257 } else { 258 // Base may be NULL, even if offset turns out to be != 0 259 260 intptr_t disp = oper->constant_disp(); 261 int scale = oper->scale(); 262 // Now we have collected every part of the ADLC MEMORY_INTER. 263 // See if it adds up to a base + offset. 264 if (index != NULL) { 265 const Type* t_index = index->bottom_type(); 266 if (t_index->isa_narrowoop()) { // EncodeN, LoadN, LoadConN, LoadNKlass. 267 // Memory references through narrow oops have a 268 // funny base so grab the type from the index: 269 // [R12 + narrow_oop_reg<<3 + offset] 270 assert(base == NULL, "Memory references through narrow oops have no base"); 271 offset = disp; 272 adr_type = t_index->make_ptr()->add_offset(offset); 273 return NULL; 274 } else if (!index->is_Con()) { 275 disp = Type::OffsetBot; 276 } else if (disp != Type::OffsetBot) { 277 const TypeX* ti = t_index->isa_intptr_t(); 278 if (ti == NULL) { 279 disp = Type::OffsetBot; // a random constant?? 280 } else { 281 disp += ti->get_con() << scale; 282 } 283 } 284 } 285 offset = disp; 286 287 // In i486.ad, indOffset32X uses base==RegI and disp==RegP, 288 // this will prevent alias analysis without the following support: 289 // Lookup the TypePtr used by indOffset32X, a compile-time constant oop, 290 // Add the offset determined by the "base", or use Type::OffsetBot. 291 if( adr_type == TYPE_PTR_SENTINAL ) { 292 const TypePtr *t_disp = oper->disp_as_type(); // only !NULL for indOffset32X 293 if (t_disp != NULL) { 294 offset = Type::OffsetBot; 295 const Type* t_base = base->bottom_type(); 296 if (t_base->isa_intptr_t()) { 297 const TypeX *t_offset = t_base->is_intptr_t(); 298 if( t_offset->is_con() ) { 299 offset = t_offset->get_con(); 300 } 301 } 302 adr_type = t_disp->add_offset(offset); 303 } else if( base == NULL && offset != 0 && offset != Type::OffsetBot ) { 304 // Use ideal type if it is oop ptr. 305 const TypePtr *tp = oper->type()->isa_ptr(); 306 if( tp != NULL) { 307 adr_type = tp; 308 } 309 } 310 } 311 312 } 313 return base; 314 } 315 316 317 //---------------------------------adr_type--------------------------------- 318 const class TypePtr *MachNode::adr_type() const { 319 intptr_t offset = 0; 320 const TypePtr *adr_type = TYPE_PTR_SENTINAL; // attempt computing adr_type 321 const Node *base = get_base_and_disp(offset, adr_type); 322 if( adr_type != TYPE_PTR_SENTINAL ) { 323 return adr_type; // get_base_and_disp has the answer 324 } 325 326 // Direct addressing modes have no base node, simply an indirect 327 // offset, which is always to raw memory. 328 // %%%%% Someday we'd like to allow constant oop offsets which 329 // would let Intel load from static globals in 1 instruction. 330 // Currently Intel requires 2 instructions and a register temp. 331 if (base == NULL) { 332 // NULL base, zero offset means no memory at all (a null pointer!) 333 if (offset == 0) { 334 return NULL; 335 } 336 // NULL base, any offset means any pointer whatever 337 if (offset == Type::OffsetBot) { 338 return TypePtr::BOTTOM; 339 } 340 // %%% make offset be intptr_t 341 assert(!Universe::heap()->is_in_reserved((oop)offset), "must be a raw ptr"); 342 return TypeRawPtr::BOTTOM; 343 } 344 345 // base of -1 with no particular offset means all of memory 346 if (base == NodeSentinel) return TypePtr::BOTTOM; 347 348 const Type* t = base->bottom_type(); 349 if (UseCompressedOops && Universe::narrow_oop_shift() == 0) { 350 // 32-bit unscaled narrow oop can be the base of any address expression 351 t = t->make_ptr(); 352 } 353 if (t->isa_intptr_t() && offset != 0 && offset != Type::OffsetBot) { 354 // We cannot assert that the offset does not look oop-ish here. 355 // Depending on the heap layout the cardmark base could land 356 // inside some oopish region. It definitely does for Win2K. 357 // The sum of cardmark-base plus shift-by-9-oop lands outside 358 // the oop-ish area but we can't assert for that statically. 359 return TypeRawPtr::BOTTOM; 360 } 361 362 const TypePtr *tp = t->isa_ptr(); 363 364 // be conservative if we do not recognize the type 365 if (tp == NULL) { 366 assert(false, "this path may produce not optimal code"); 367 return TypePtr::BOTTOM; 368 } 369 assert(tp->base() != Type::AnyPtr, "not a bare pointer"); 370 371 return tp->add_offset(offset); 372 } 373 374 375 //-----------------------------operand_index--------------------------------- 376 int MachNode::operand_index( uint operand ) const { 377 if( operand < 1 ) return -1; 378 assert(operand < num_opnds(), "oob"); 379 if( _opnds[operand]->num_edges() == 0 ) return -1; 380 381 uint skipped = oper_input_base(); // Sum of leaves skipped so far 382 for (uint opcnt = 1; opcnt < operand; opcnt++) { 383 uint num_edges = _opnds[opcnt]->num_edges(); // leaves for operand 384 skipped += num_edges; 385 } 386 return skipped; 387 } 388 389 390 //------------------------------negate----------------------------------------- 391 // Negate conditional branches. Error for non-branch Nodes 392 void MachNode::negate() { 393 ShouldNotCallThis(); 394 } 395 396 //------------------------------peephole--------------------------------------- 397 // Apply peephole rule(s) to this instruction 398 MachNode *MachNode::peephole( Block *block, int block_index, PhaseRegAlloc *ra_, int &deleted, Compile* C ) { 399 return NULL; 400 } 401 402 //------------------------------add_case_label--------------------------------- 403 // Adds the label for the case 404 void MachNode::add_case_label( int index_num, Label* blockLabel) { 405 ShouldNotCallThis(); 406 } 407 408 //------------------------------label_set-------------------------------------- 409 // Set the Label for a LabelOper, if an operand for this instruction 410 void MachNode::label_set( Label& label, uint block_num ) { 411 ShouldNotCallThis(); 412 } 413 414 //------------------------------method_set------------------------------------- 415 // Set the absolute address of a method 416 void MachNode::method_set( intptr_t addr ) { 417 ShouldNotCallThis(); 418 } 419 420 //------------------------------rematerialize---------------------------------- 421 bool MachNode::rematerialize() const { 422 // Temps are always rematerializable 423 if (is_MachTemp()) return true; 424 425 uint r = rule(); // Match rule 426 if( r < Matcher::_begin_rematerialize || 427 r >= Matcher::_end_rematerialize ) 428 return false; 429 430 // For 2-address instructions, the input live range is also the output 431 // live range. Remateralizing does not make progress on the that live range. 432 if( two_adr() ) return false; 433 434 // Check for rematerializing float constants, or not 435 if( !Matcher::rematerialize_float_constants ) { 436 int op = ideal_Opcode(); 437 if( op == Op_ConF || op == Op_ConD ) 438 return false; 439 } 440 441 // Defining flags - can't spill these! Must remateralize. 442 if( ideal_reg() == Op_RegFlags ) 443 return true; 444 445 // Stretching lots of inputs - don't do it. 446 if( req() > 2 ) 447 return false; 448 449 // Don't remateralize somebody with bound inputs - it stretches a 450 // fixed register lifetime. 451 uint idx = oper_input_base(); 452 if( req() > idx ) { 453 const RegMask &rm = in_RegMask(idx); 454 if( rm.is_bound1() || rm.is_bound2() ) 455 return false; 456 } 457 458 return true; 459 } 460 461 #ifndef PRODUCT 462 //------------------------------dump_spec-------------------------------------- 463 // Print any per-operand special info 464 void MachNode::dump_spec(outputStream *st) const { 465 uint cnt = num_opnds(); 466 for( uint i=0; i<cnt; i++ ) 467 _opnds[i]->dump_spec(st); 468 const TypePtr *t = adr_type(); 469 if( t ) { 470 Compile* C = Compile::current(); 471 if( C->alias_type(t)->is_volatile() ) 472 st->print(" Volatile!"); 473 } 474 } 475 476 //------------------------------dump_format------------------------------------ 477 // access to virtual 478 void MachNode::dump_format(PhaseRegAlloc *ra, outputStream *st) const { 479 format(ra, st); // access to virtual 480 } 481 #endif 482 483 //============================================================================= 484 #ifndef PRODUCT 485 void MachTypeNode::dump_spec(outputStream *st) const { 486 _bottom_type->dump_on(st); 487 } 488 #endif 489 490 //============================================================================= 491 #ifndef PRODUCT 492 void MachNullCheckNode::format( PhaseRegAlloc *ra_, outputStream *st ) const { 493 int reg = ra_->get_reg_first(in(1)->in(_vidx)); 494 tty->print("%s %s", Name(), Matcher::regName[reg]); 495 } 496 #endif 497 498 void MachNullCheckNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const { 499 // only emits entries in the null-pointer exception handler table 500 } 501 502 const RegMask &MachNullCheckNode::in_RegMask( uint idx ) const { 503 if( idx == 0 ) return RegMask::Empty; 504 else return in(1)->as_Mach()->out_RegMask(); 505 } 506 507 //============================================================================= 508 const Type *MachProjNode::bottom_type() const { 509 if( _ideal_reg == fat_proj ) return Type::BOTTOM; 510 // Try the normal mechanism first 511 const Type *t = in(0)->bottom_type(); 512 if( t->base() == Type::Tuple ) { 513 const TypeTuple *tt = t->is_tuple(); 514 if (_con < tt->cnt()) 515 return tt->field_at(_con); 516 } 517 // Else use generic type from ideal register set 518 assert((uint)_ideal_reg < (uint)_last_machine_leaf && Type::mreg2type[_ideal_reg], "in bounds"); 519 return Type::mreg2type[_ideal_reg]; 520 } 521 522 const TypePtr *MachProjNode::adr_type() const { 523 if (bottom_type() == Type::MEMORY) { 524 // in(0) might be a narrow MemBar; otherwise we will report TypePtr::BOTTOM 525 const TypePtr* adr_type = in(0)->adr_type(); 526 #ifdef ASSERT 527 if (!is_error_reported() && !Node::in_dump()) 528 assert(adr_type != NULL, "source must have adr_type"); 529 #endif 530 return adr_type; 531 } 532 assert(bottom_type()->base() != Type::Memory, "no other memories?"); 533 return NULL; 534 } 535 536 #ifndef PRODUCT 537 void MachProjNode::dump_spec(outputStream *st) const { 538 ProjNode::dump_spec(st); 539 switch (_ideal_reg) { 540 case unmatched_proj: st->print("/unmatched"); break; 541 case fat_proj: st->print("/fat"); if (WizardMode) _rout.dump(); break; 542 } 543 } 544 #endif 545 546 //============================================================================= 547 #ifndef PRODUCT 548 void MachIfNode::dump_spec(outputStream *st) const { 549 st->print("P=%f, C=%f",_prob, _fcnt); 550 } 551 #endif 552 553 //============================================================================= 554 uint MachReturnNode::size_of() const { return sizeof(*this); } 555 556 //------------------------------Registers-------------------------------------- 557 const RegMask &MachReturnNode::in_RegMask( uint idx ) const { 558 return _in_rms[idx]; 559 } 560 561 const TypePtr *MachReturnNode::adr_type() const { 562 // most returns and calls are assumed to consume & modify all of memory 563 // the matcher will copy non-wide adr_types from ideal originals 564 return _adr_type; 565 } 566 567 //============================================================================= 568 const Type *MachSafePointNode::bottom_type() const { return TypeTuple::MEMBAR; } 569 570 //------------------------------Registers-------------------------------------- 571 const RegMask &MachSafePointNode::in_RegMask( uint idx ) const { 572 // Values in the domain use the users calling convention, embodied in the 573 // _in_rms array of RegMasks. 574 if( idx < TypeFunc::Parms ) return _in_rms[idx]; 575 576 if (SafePointNode::needs_polling_address_input() && 577 idx == TypeFunc::Parms && 578 ideal_Opcode() == Op_SafePoint) { 579 return MachNode::in_RegMask(idx); 580 } 581 582 // Values outside the domain represent debug info 583 return *Compile::current()->matcher()->idealreg2spillmask[in(idx)->ideal_reg()]; 584 } 585 586 587 //============================================================================= 588 589 uint MachCallNode::cmp( const Node &n ) const 590 { return _tf == ((MachCallNode&)n)._tf; } 591 const Type *MachCallNode::bottom_type() const { return tf()->range(); } 592 const Type *MachCallNode::Value(PhaseTransform *phase) const { return tf()->range(); } 593 594 #ifndef PRODUCT 595 void MachCallNode::dump_spec(outputStream *st) const { 596 st->print("# "); 597 tf()->dump_on(st); 598 if (_cnt != COUNT_UNKNOWN) st->print(" C=%f",_cnt); 599 if (jvms() != NULL) jvms()->dump_spec(st); 600 } 601 #endif 602 603 604 bool MachCallNode::return_value_is_used() const { 605 if (tf()->range()->cnt() == TypeFunc::Parms) { 606 // void return 607 return false; 608 } 609 610 // find the projection corresponding to the return value 611 for (DUIterator_Fast imax, i = fast_outs(imax); i < imax; i++) { 612 Node *use = fast_out(i); 613 if (!use->is_Proj()) continue; 614 if (use->as_Proj()->_con == TypeFunc::Parms) { 615 return true; 616 } 617 } 618 return false; 619 } 620 621 622 //------------------------------Registers-------------------------------------- 623 const RegMask &MachCallNode::in_RegMask( uint idx ) const { 624 // Values in the domain use the users calling convention, embodied in the 625 // _in_rms array of RegMasks. 626 if (idx < tf()->domain()->cnt()) return _in_rms[idx]; 627 // Values outside the domain represent debug info 628 return *Compile::current()->matcher()->idealreg2debugmask[in(idx)->ideal_reg()]; 629 } 630 631 //============================================================================= 632 uint MachCallJavaNode::size_of() const { return sizeof(*this); } 633 uint MachCallJavaNode::cmp( const Node &n ) const { 634 MachCallJavaNode &call = (MachCallJavaNode&)n; 635 return MachCallNode::cmp(call) && _method->equals(call._method); 636 } 637 #ifndef PRODUCT 638 void MachCallJavaNode::dump_spec(outputStream *st) const { 639 if (_method_handle_invoke) 640 st->print("MethodHandle "); 641 if (_method) { 642 _method->print_short_name(st); 643 st->print(" "); 644 } 645 MachCallNode::dump_spec(st); 646 } 647 #endif 648 649 //------------------------------Registers-------------------------------------- 650 const RegMask &MachCallJavaNode::in_RegMask(uint idx) const { 651 // Values in the domain use the users calling convention, embodied in the 652 // _in_rms array of RegMasks. 653 if (idx < tf()->domain()->cnt()) return _in_rms[idx]; 654 // Values outside the domain represent debug info 655 Matcher* m = Compile::current()->matcher(); 656 RegMask** debugmask = _method_handle_invoke ? m->idealreg2mhdebugmask : m->idealreg2debugmask; 657 return *debugmask[in(idx)->ideal_reg()]; 658 } 659 660 //============================================================================= 661 uint MachCallStaticJavaNode::size_of() const { return sizeof(*this); } 662 uint MachCallStaticJavaNode::cmp( const Node &n ) const { 663 MachCallStaticJavaNode &call = (MachCallStaticJavaNode&)n; 664 return MachCallJavaNode::cmp(call) && _name == call._name; 665 } 666 667 //----------------------------uncommon_trap_request---------------------------- 668 // If this is an uncommon trap, return the request code, else zero. 669 int MachCallStaticJavaNode::uncommon_trap_request() const { 670 if (_name != NULL && !strcmp(_name, "uncommon_trap")) { 671 return CallStaticJavaNode::extract_uncommon_trap_request(this); 672 } 673 return 0; 674 } 675 676 #ifndef PRODUCT 677 // Helper for summarizing uncommon_trap arguments. 678 void MachCallStaticJavaNode::dump_trap_args(outputStream *st) const { 679 int trap_req = uncommon_trap_request(); 680 if (trap_req != 0) { 681 char buf[100]; 682 st->print("(%s)", 683 Deoptimization::format_trap_request(buf, sizeof(buf), 684 trap_req)); 685 } 686 } 687 688 void MachCallStaticJavaNode::dump_spec(outputStream *st) const { 689 st->print("Static "); 690 if (_name != NULL) { 691 st->print("wrapper for: %s", _name ); 692 dump_trap_args(st); 693 st->print(" "); 694 } 695 MachCallJavaNode::dump_spec(st); 696 } 697 #endif 698 699 //============================================================================= 700 #ifndef PRODUCT 701 void MachCallDynamicJavaNode::dump_spec(outputStream *st) const { 702 st->print("Dynamic "); 703 MachCallJavaNode::dump_spec(st); 704 } 705 #endif 706 //============================================================================= 707 uint MachCallRuntimeNode::size_of() const { return sizeof(*this); } 708 uint MachCallRuntimeNode::cmp( const Node &n ) const { 709 MachCallRuntimeNode &call = (MachCallRuntimeNode&)n; 710 return MachCallNode::cmp(call) && !strcmp(_name,call._name); 711 } 712 #ifndef PRODUCT 713 void MachCallRuntimeNode::dump_spec(outputStream *st) const { 714 st->print("%s ",_name); 715 MachCallNode::dump_spec(st); 716 } 717 #endif 718 //============================================================================= 719 // A shared JVMState for all HaltNodes. Indicates the start of debug info 720 // is at TypeFunc::Parms. Only required for SOE register spill handling - 721 // to indicate where the stack-slot-only debug info inputs begin. 722 // There is no other JVM state needed here. 723 JVMState jvms_for_throw(0); 724 JVMState *MachHaltNode::jvms() const { 725 return &jvms_for_throw; 726 } 727 728 //============================================================================= 729 #ifndef PRODUCT 730 void labelOper::int_format(PhaseRegAlloc *ra, const MachNode *node, outputStream *st) const { 731 st->print("B%d", _block_num); 732 } 733 #endif // PRODUCT 734 735 //============================================================================= 736 #ifndef PRODUCT 737 void methodOper::int_format(PhaseRegAlloc *ra, const MachNode *node, outputStream *st) const { 738 st->print(INTPTR_FORMAT, _method); 739 } 740 #endif // PRODUCT