< prev index next >

src/share/vm/c1/c1_LIR.cpp

Print this page


   1 /*
   2  * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


 226     case lir_mul:
 227     case lir_mul_strictfp:
 228     case lir_div:
 229     case lir_div_strictfp:
 230     case lir_rem:
 231     case lir_logic_and:
 232     case lir_logic_or:
 233     case lir_logic_xor:
 234     case lir_shl:
 235     case lir_shr:
 236       assert(in_opr1() == result_opr() || threeOperandForm, "opr1 and result must match");
 237       assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
 238       break;
 239 
 240     // special handling for lir_ushr because of write barriers
 241     case lir_ushr:
 242       assert(in_opr1() == result_opr() || in_opr2()->is_constant() || threeOperandForm, "opr1 and result must match or shift count is constant");
 243       assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
 244       break;
 245 


 246     }
 247   }
 248 #endif
 249 }
 250 
 251 
 252 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block)
 253   : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
 254   , _cond(cond)
 255   , _type(type)
 256   , _label(block->label())
 257   , _block(block)
 258   , _ublock(NULL)
 259   , _stub(NULL) {
 260 }
 261 
 262 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub) :
 263   LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
 264   , _cond(cond)
 265   , _type(type)


 378 
 379 LIR_OpUpdateCRC32::LIR_OpUpdateCRC32(LIR_Opr crc, LIR_Opr val, LIR_Opr res)
 380   : LIR_Op(lir_updatecrc32, res, NULL)
 381   , _crc(crc)
 382   , _val(val) {
 383 }
 384 
 385 //-------------------verify--------------------------
 386 
 387 void LIR_Op1::verify() const {
 388   switch(code()) {
 389   case lir_move:
 390     assert(in_opr()->is_valid() && result_opr()->is_valid(), "must be");
 391     break;
 392   case lir_null_check:
 393     assert(in_opr()->is_register(), "must be");
 394     break;
 395   case lir_return:
 396     assert(in_opr()->is_register() || in_opr()->is_illegal(), "must be");
 397     break;


 398   }
 399 }
 400 
 401 void LIR_OpRTCall::verify() const {
 402   assert(strcmp(Runtime1::name_for_address(addr()), "<unknown function>") != 0, "unknown function");
 403 }
 404 
 405 //-------------------visits--------------------------
 406 
 407 // complete rework of LIR instruction visitor.
 408 // The virtual call for each instruction type is replaced by a big
 409 // switch that adds the operands for each instruction
 410 
 411 void LIR_OpVisitState::visit(LIR_Op* op) {
 412   // copy information from the LIR_Op
 413   reset();
 414   set_op(op);
 415 
 416   switch (op->code()) {
 417 


   1 /*
   2  * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


 226     case lir_mul:
 227     case lir_mul_strictfp:
 228     case lir_div:
 229     case lir_div_strictfp:
 230     case lir_rem:
 231     case lir_logic_and:
 232     case lir_logic_or:
 233     case lir_logic_xor:
 234     case lir_shl:
 235     case lir_shr:
 236       assert(in_opr1() == result_opr() || threeOperandForm, "opr1 and result must match");
 237       assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
 238       break;
 239 
 240     // special handling for lir_ushr because of write barriers
 241     case lir_ushr:
 242       assert(in_opr1() == result_opr() || in_opr2()->is_constant() || threeOperandForm, "opr1 and result must match or shift count is constant");
 243       assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
 244       break;
 245 
 246     default:
 247       break;
 248     }
 249   }
 250 #endif
 251 }
 252 
 253 
 254 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block)
 255   : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
 256   , _cond(cond)
 257   , _type(type)
 258   , _label(block->label())
 259   , _block(block)
 260   , _ublock(NULL)
 261   , _stub(NULL) {
 262 }
 263 
 264 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub) :
 265   LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
 266   , _cond(cond)
 267   , _type(type)


 380 
 381 LIR_OpUpdateCRC32::LIR_OpUpdateCRC32(LIR_Opr crc, LIR_Opr val, LIR_Opr res)
 382   : LIR_Op(lir_updatecrc32, res, NULL)
 383   , _crc(crc)
 384   , _val(val) {
 385 }
 386 
 387 //-------------------verify--------------------------
 388 
 389 void LIR_Op1::verify() const {
 390   switch(code()) {
 391   case lir_move:
 392     assert(in_opr()->is_valid() && result_opr()->is_valid(), "must be");
 393     break;
 394   case lir_null_check:
 395     assert(in_opr()->is_register(), "must be");
 396     break;
 397   case lir_return:
 398     assert(in_opr()->is_register() || in_opr()->is_illegal(), "must be");
 399     break;
 400   default:
 401     break;
 402   }
 403 }
 404 
 405 void LIR_OpRTCall::verify() const {
 406   assert(strcmp(Runtime1::name_for_address(addr()), "<unknown function>") != 0, "unknown function");
 407 }
 408 
 409 //-------------------visits--------------------------
 410 
 411 // complete rework of LIR instruction visitor.
 412 // The virtual call for each instruction type is replaced by a big
 413 // switch that adds the operands for each instruction
 414 
 415 void LIR_OpVisitState::visit(LIR_Op* op) {
 416   // copy information from the LIR_Op
 417   reset();
 418   set_op(op);
 419 
 420   switch (op->code()) {
 421 


< prev index next >