jdk8-mips64-public/hotspot: src/share/vm/shark/sharkValue.cpp@427b2fb1944f (annotated)

src/share/vm/shark/sharkValue.cpp@427b2fb1944f (annotated)

src/share/vm/shark/sharkValue.cpp

Wed, 31 Jan 2018 19:24:57 -0500

author: dbuck
date: Wed, 31 Jan 2018 19:24:57 -0500
changeset 9289: 427b2fb1944f
parent 4314: 2cd5e15048e6
child 6876: 710a3c8b516e
permissions: -rw-r--r--

8189170: Add option to disable stack overflow checking in primordial thread for use with JNI_CreateJavaJVM
Reviewed-by: dcubed

 /*
  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2008, 2009 Red Hat, Inc.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #include "precompiled.hpp"
 #include "ci/ciType.hpp"
 #include "shark/llvmHeaders.hpp"
 #include "shark/llvmValue.hpp"
 #include "shark/sharkBuilder.hpp"
 #include "shark/sharkValue.hpp"
 using namespace llvm;
 // Cloning
 SharkValue* SharkNormalValue::clone() const {
   return SharkValue::create_generic(type(), generic_value(), zero_checked());
 }
 SharkValue* SharkPHIValue::clone() const {
   return SharkValue::create_phi(type(), (PHINode *) generic_value(), this);
 }
 SharkValue* SharkAddressValue::clone() const {
   return SharkValue::address_constant(address_value());
 }
 // Casting
 bool SharkValue::is_phi() const {
   return false;
 }
 bool SharkPHIValue::is_phi() const {
   return true;
 }
 SharkPHIValue* SharkValue::as_phi() {
   ShouldNotCallThis();
 }
 SharkPHIValue* SharkPHIValue::as_phi() {
   return this;
 }
 // Comparison
 bool SharkNormalValue::equal_to(SharkValue *other) const {
   return (this->type()          == other->type() &&
           this->generic_value() == other->generic_value() &&
           this->zero_checked()  == other->zero_checked());
 }
 bool SharkAddressValue::equal_to(SharkValue *other) const {
   return (this->address_value() == other->address_value());
 }
 // Type access
 ciType* SharkValue::type() const {
   ShouldNotCallThis();
 }
 ciType* SharkNormalValue::type() const {
   return _type;
 }
 BasicType SharkNormalValue::basic_type() const {
   return type()->basic_type();
 }
 BasicType SharkAddressValue::basic_type() const {
   return T_ADDRESS;
 }
 int SharkNormalValue::size() const {
   return type()->size();
 }
 int SharkAddressValue::size() const {
   return 1;
 }
 bool SharkValue::is_jint() const {
   return false;
 }
 bool SharkValue::is_jlong() const {
   return false;
 }
 bool SharkValue::is_jfloat() const {
   return false;
 }
 bool SharkValue::is_jdouble() const {
   return false;
 }
 bool SharkValue::is_jobject() const {
   return false;
 }
 bool SharkValue::is_jarray() const {
   return false;
 }
 bool SharkValue::is_address() const {
   return false;
 }
 bool SharkNormalValue::is_jint() const {
   return llvm_value()->getType() == SharkType::jint_type();
 }
 bool SharkNormalValue::is_jlong() const {
   return llvm_value()->getType() == SharkType::jlong_type();
 }
 bool SharkNormalValue::is_jfloat() const {
   return llvm_value()->getType() == SharkType::jfloat_type();
 }
 bool SharkNormalValue::is_jdouble() const {
   return llvm_value()->getType() == SharkType::jdouble_type();
 }
 bool SharkNormalValue::is_jobject() const {
   return llvm_value()->getType() == SharkType::oop_type();
 }
 bool SharkNormalValue::is_jarray() const {
   return basic_type() == T_ARRAY;
 }
 bool SharkAddressValue::is_address() const {
   return true;
 }
 // Typed conversions from SharkValues
 Value* SharkValue::jint_value() const {
   ShouldNotCallThis();
 }
 Value* SharkValue::jlong_value() const {
   ShouldNotCallThis();
 }
 Value* SharkValue::jfloat_value() const {
   ShouldNotCallThis();
 }
 Value* SharkValue::jdouble_value() const {
   ShouldNotCallThis();
 }
 Value* SharkValue::jobject_value() const {
   ShouldNotCallThis();
 }
 Value* SharkValue::jarray_value() const {
   ShouldNotCallThis();
 }
 int SharkValue::address_value() const {
   ShouldNotCallThis();
 }
 Value* SharkNormalValue::jint_value() const {
   assert(is_jint(), "should be");
   return llvm_value();
 }
 Value* SharkNormalValue::jlong_value() const {
   assert(is_jlong(), "should be");
   return llvm_value();
 }
 Value* SharkNormalValue::jfloat_value() const {
   assert(is_jfloat(), "should be");
   return llvm_value();
 }
 Value* SharkNormalValue::jdouble_value() const {
   assert(is_jdouble(), "should be");
   return llvm_value();
 }
 Value* SharkNormalValue::jobject_value() const {
   assert(is_jobject(), "should be");
   return llvm_value();
 }
 Value* SharkNormalValue::jarray_value() const {
   // XXX assert(is_jarray(), "should be");
   // XXX http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=324
   assert(is_jobject(), "should be");
   return llvm_value();
 }
 int SharkAddressValue::address_value() const {
   return _bci;
 }
 // Type-losing conversions -- use with care!
 Value* SharkNormalValue::generic_value() const {
   return llvm_value();
 }
 Value* SharkAddressValue::generic_value() const {
   return LLVMValue::intptr_constant(address_value());
 }
 Value* SharkValue::intptr_value(SharkBuilder* builder) const {
   ShouldNotCallThis();
 }
 Value* SharkNormalValue::intptr_value(SharkBuilder* builder) const {
   return builder->CreatePtrToInt(jobject_value(), SharkType::intptr_type());
 }
 // Phi-style stuff for SharkPHIState::add_incoming
 void SharkValue::addIncoming(SharkValue *value, BasicBlock* block) {
   ShouldNotCallThis();
 }
 void SharkPHIValue::addIncoming(SharkValue *value, BasicBlock* block) {
   assert(!is_clone(), "shouldn't be");
   ((llvm::PHINode *) generic_value())->addIncoming(
       value->generic_value(), block);
   if (!value->zero_checked())
     _all_incomers_zero_checked = false;
 }
 void SharkAddressValue::addIncoming(SharkValue *value, BasicBlock* block) {
   assert(this->equal_to(value), "should be");
 }
 // Phi-style stuff for SharkState::merge
 SharkValue* SharkNormalValue::merge(SharkBuilder* builder,
                                     SharkValue*   other,
                                     BasicBlock*   other_block,
                                     BasicBlock*   this_block,
                                     const char*   name) {
   assert(type() == other->type(), "should be");
   assert(zero_checked() == other->zero_checked(), "should be");
   PHINode *phi = builder->CreatePHI(SharkType::to_stackType(type()), 0, name);
   phi->addIncoming(this->generic_value(), this_block);
   phi->addIncoming(other->generic_value(), other_block);
   return SharkValue::create_generic(type(), phi, zero_checked());
 }
 SharkValue* SharkAddressValue::merge(SharkBuilder* builder,
                                      SharkValue*   other,
                                      BasicBlock*   other_block,
                                      BasicBlock*   this_block,
                                      const char*   name) {
   assert(this->equal_to(other), "should be");
   return this;
 }
 // Repeated null and divide-by-zero check removal
 bool SharkValue::zero_checked() const {
   ShouldNotCallThis();
 }
 void SharkValue::set_zero_checked(bool zero_checked) {
   ShouldNotCallThis();
 }
 bool SharkNormalValue::zero_checked() const {
   return _zero_checked;
 }
 void SharkNormalValue::set_zero_checked(bool zero_checked) {
   _zero_checked = zero_checked;
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/shark/sharkValue.cpp@427b2fb1944f (annotated)

src/share/vm/shark/sharkValue.cpp