Mercurial > hg > graal-compiler

comparison graal/GraalCompiler/src/com/sun/c1x/value/FrameState.java @ 2581:4a36a0bd6d18

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added GraalGraph to classpath, Node as superclass of Value
author Lukas Stadler <lukas.stadler@jku.at>
date Thu, 05 May 2011 13:27:48 +0200
parents 46586c77b129
children 768d77a1c7af
comparison
equal deleted inserted replaced
2579:4984c8ebd6c7 2581:4a36a0bd6d18
108 */ 108 */
109 public MutableFrameState copy(int bci, boolean withLocals, boolean withStack, boolean withLocks) { 109 public MutableFrameState copy(int bci, boolean withLocals, boolean withStack, boolean withLocks) {
110 final MutableFrameState other = new MutableFrameState(bci, localsSize(), maxStackSize()); 110 final MutableFrameState other = new MutableFrameState(bci, localsSize(), maxStackSize());
111 if (withLocals && withStack) { 111 if (withLocals && withStack) {
112 // fast path: use array copy 112 // fast path: use array copy
113 int valuesSize = valuesSize(); 113 System.arraycopy(values, 0, other.values, 0, valuesSize());
114 assert other.values.length >= valuesSize : "array size: " + other.values.length + ", valuesSize: " + valuesSize + ", maxStackSize: " + maxStackSize() + ", localsSize: " + localsSize();
115 assert values.length >= valuesSize : "array size: " + values.length + ", valuesSize: " + valuesSize + ", maxStackSize: " + maxStackSize() + ", localsSize: " + localsSize();
116 System.arraycopy(values, 0, other.values, 0, valuesSize);
117 other.stackIndex = stackIndex; 114 other.stackIndex = stackIndex;
118 } else { 115 } else {
119 if (withLocals) { 116 if (withLocals) {
120 other.replaceLocals(this); 117 other.replaceLocals(this);
121 } 118 }
148 */ 145 */
149 public FrameState immutableCopyCodePosOnly() { 146 public FrameState immutableCopyCodePosOnly() {
150 return copy(bci, false, false, false); 147 return copy(bci, false, false, false);
151 } 148 }
152 149
153 public boolean isSame(FrameState other) { 150 public boolean isCompatibleWith(FrameState other) {
154 assert stackSize() == other.stackSize(); 151 if (stackSize() != other.stackSize() || localsSize() != other.localsSize() || locksSize() != other.locksSize()) {
155 assert localsSize() == other.localsSize(); 152 return false;
156 assert locksSize() == other.locksSize(); 153 }
157 for (int i = 0; i < stackIndex; i++) { 154 for (int i = 0; i < stackIndex; i++) {
158 Value x = stackAt(i); 155 Value x = stackAt(i);
159 Value y = other.stackAt(i); 156 Value y = other.stackAt(i);
160 if (x != y && typeMismatch(x, y)) { 157 if (x != y && typeMismatch(x, y)) {
161 return false; 158 return false;