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comparison graal/GraalCompiler/src/com/sun/c1x/graph/GraphBuilder.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
119 this.frameState = new FrameStateBuilder(method, graph); 119 this.frameState = new FrameStateBuilder(method, graph);
120 } 120 }
121 121
122 /** 122 /**
123 * Builds the graph for a the specified {@code IRScope}. 123 * Builds the graph for a the specified {@code IRScope}.
124 * @param scope the top IRScope 124 *
125 * @param createUnwind setting this to true will always generate an unwind block, even if there is no exception
126 * handler and the method is not synchronized
125 */ 127 */
126 public void build() { 128 public void build(boolean createUnwind) {
127 if (log != null) { 129 if (log != null) {
128 log.println(); 130 log.println();
129 log.println("Compiling " + method); 131 log.println("Compiling " + method);
130 } 132 }
131 133
159 // 4A.3 setup an exception handler to unlock the root method synchronized object 161 // 4A.3 setup an exception handler to unlock the root method synchronized object
160 syncHandler = new CiExceptionHandler(0, method.code().length, Instruction.SYNCHRONIZATION_ENTRY_BCI, 0, null); 162 syncHandler = new CiExceptionHandler(0, method.code().length, Instruction.SYNCHRONIZATION_ENTRY_BCI, 0, null);
161 } else { 163 } else {
162 // 4B.1 simply finish the start block 164 // 4B.1 simply finish the start block
163 finishStartBlock(startBlock); 165 finishStartBlock(startBlock);
166
167 if (createUnwind) {
168 syncHandler = new CiExceptionHandler(0, method.code().length, Instruction.SYNCHRONIZATION_ENTRY_BCI, 0, null);
169 }
164 } 170 }
165 171
166 // 5. SKIPPED: look for intrinsics 172 // 5. SKIPPED: look for intrinsics
167 173
168 // 6B.1 do the normal parsing 174 // 6B.1 do the normal parsing
542 548
543 private void genArithmeticOp(CiKind result, int opcode, CiKind x, CiKind y, boolean canTrap) { 549 private void genArithmeticOp(CiKind result, int opcode, CiKind x, CiKind y, boolean canTrap) {
544 Value yValue = frameState.pop(y); 550 Value yValue = frameState.pop(y);
545 Value xValue = frameState.pop(x); 551 Value xValue = frameState.pop(x);
546 Value result1 = append(new ArithmeticOp(opcode, result, xValue, yValue, isStrict(method.accessFlags()), canTrap, graph)); 552 Value result1 = append(new ArithmeticOp(opcode, result, xValue, yValue, isStrict(method.accessFlags()), canTrap, graph));
553 append(new ValueAnchor(result1, graph));
547 frameState.push(result, result1); 554 frameState.push(result, result1);
548 } 555 }
549 556
550 private void genNegateOp(CiKind kind) { 557 private void genNegateOp(CiKind kind) {
551 frameState.push(kind, append(new NegateOp(frameState.pop(kind), graph))); 558 frameState.push(kind, append(new NegateOp(frameState.pop(kind), graph)));