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comparison graal/GraalCompiler/src/com/sun/c1x/value/FrameStateBuilder.java @ 2866:7f14e6b48a9c

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added dead code elimination added ValueAnchor (temp workaround) more inlining logic (now uses DCE) IdealGraphPrinter: print even if Scheduler fails added inlining and DCE tracing options to C1XOptions
author Lukas Stadler <lukas.stadler@jku.at>
date Tue, 07 Jun 2011 16:27:08 +0200
parents 7596ae867a7b
children 5c545fef2c81
comparison
equal deleted inserted replaced
2845:e55543ff91fd 2866:7f14e6b48a9c
47 47
48 public FrameStateBuilder(RiMethod method, Graph graph) { 48 public FrameStateBuilder(RiMethod method, Graph graph) {
49 this.method = method; 49 this.method = method;
50 this.graph = graph; 50 this.graph = graph;
51 this.locals = new Value[method.maxLocals()]; 51 this.locals = new Value[method.maxLocals()];
52 this.stack = new Value[method.maxStackSize()]; 52 // we always need at least one stack slot (for exceptions)
53 int stackSize = Math.max(1, method.maxStackSize());
54 this.stack = new Value[stackSize];
53 55
54 int javaIndex = 0; 56 int javaIndex = 0;
55 int index = 0; 57 int index = 0;
56 if (!isStatic(method.accessFlags())) { 58 if (!isStatic(method.accessFlags())) {
57 // add the receiver and assume it is non null 59 // add the receiver and assume it is non null
80 } 82 }
81 this.locks = new ArrayList<Value>(); 83 this.locks = new ArrayList<Value>();
82 } 84 }
83 85
84 public void initializeFrom(FrameState other) { 86 public void initializeFrom(FrameState other) {
85 assert locals.length == other.localsSize(); 87 assert locals.length == other.localsSize() : "expected: " + locals.length + ", actual: " + other.localsSize();
86 assert stack.length >= other.stackSize(); 88 assert stack.length >= other.stackSize() : "expected: <=" + stack.length + ", actual: " + other.stackSize();
87 89
88 this.stackIndex = other.stackSize(); 90 this.stackIndex = other.stackSize();
89 for (int i = 0; i < other.localsSize(); i++) { 91 for (int i = 0; i < other.localsSize(); i++) {
90 locals[i] = other.localAt(i); 92 locals[i] = other.localAt(i);
91 } 93 }