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comparison graal/GraalCompiler/src/com/sun/c1x/gen/LIRGenerator.java @ 2671:d8601d421b96

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New Deoptimize node, remove ResolveClass node and replace it with deoptimization
author Gilles Duboscq <gilles.duboscq@oracle.com>
date Thu, 12 May 2011 17:17:50 +0200
parents 50b181d88c9f
children 0ea5f12e873a
comparison
equal deleted inserted replaced
2670:50b181d88c9f 2671:d8601d421b96
208 208
209 public ArrayList<DeoptimizationStub> deoptimizationStubs() { 209 public ArrayList<DeoptimizationStub> deoptimizationStubs() {
210 return deoptimizationStubs; 210 return deoptimizationStubs;
211 } 211 }
212 212
213 private void addDeoptimizationStub(DeoptimizationStub stub) {
214 if (deoptimizationStubs == null) {
215 deoptimizationStubs = new ArrayList<LIRGenerator.DeoptimizationStub>();
216 }
217 deoptimizationStubs.add(stub);
218 }
219
213 public static class DeoptimizationStub { 220 public static class DeoptimizationStub {
214 public final Label label = new Label(); 221 public final Label label = new Label();
215 public final LIRDebugInfo info; 222 public final LIRDebugInfo info;
216 223
217 public DeoptimizationStub(FrameState state) { 224 public DeoptimizationStub(FrameState state) {
296 javaIndex += kind.jvmSlots; 303 javaIndex += kind.jvmSlots;
297 } 304 }
298 } 305 }
299 306
300 @Override 307 @Override
301 public void visitResolveClass(ResolveClass i) {
302 LIRDebugInfo info = stateFor(i);
303 XirSnippet snippet = xir.genResolveClass(site(i), i.type, i.portion);
304 emitXir(snippet, i, info, null, true);
305 }
306
307 @Override
308 public void visitCheckCast(CheckCast x) { 308 public void visitCheckCast(CheckCast x) {
309 XirArgument obj = toXirArgument(x.object()); 309 XirArgument obj = toXirArgument(x.object());
310 XirSnippet snippet = xir.genCheckCast(site(x), obj, toXirArgument(x.targetClassInstruction()), x.targetClass()); 310 XirSnippet snippet = xir.genCheckCast(site(x), obj, toXirArgument(x.targetClassInstruction()), x.targetClass());
311 emitXir(snippet, x, stateFor(x), null, true); 311 emitXir(snippet, x, stateFor(x), null, true);
312 } 312 }
445 445
446 lir.cmp(i.condition(), left, right); 446 lir.cmp(i.condition(), left, right);
447 lir.cmove(i.condition(), tVal, fVal, reg); 447 lir.cmove(i.condition(), tVal, fVal, reg);
448 } 448 }
449 449
450 protected FrameState stateBeforeInvoke(Invoke invoke) { 450 protected FrameState stateBeforeInvokeReturn(Invoke invoke) {
451 Value[] args = new Value[invoke.argumentCount()];
452 for (int i = 0; i < invoke.argumentCount(); i++) {
453 args[i] = invoke.argument(i);
454 }
455 return invoke.stateAfter().duplicateModified(invoke.bci(), invoke.kind/*, args*/); 451 return invoke.stateAfter().duplicateModified(invoke.bci(), invoke.kind/*, args*/);
456 } 452 }
457 453
458 protected FrameState stateBeforeInvokeWithArguments(Invoke invoke) { 454 protected FrameState stateBeforeInvokeWithArguments(Invoke invoke) {
459 Value[] args = new Value[invoke.argumentCount()]; 455 Value[] args = new Value[invoke.argumentCount()];
465 461
466 @Override 462 @Override
467 public void visitInvoke(Invoke x) { 463 public void visitInvoke(Invoke x) {
468 RiMethod target = x.target(); 464 RiMethod target = x.target();
469 LIRDebugInfo info = stateFor(x, stateBeforeInvokeWithArguments(x)); 465 LIRDebugInfo info = stateFor(x, stateBeforeInvokeWithArguments(x));
470 LIRDebugInfo info2 = stateFor(x, stateBeforeInvoke(x)); 466 LIRDebugInfo info2 = stateFor(x, stateBeforeInvokeReturn(x));
471 467
472 XirSnippet snippet = null; 468 XirSnippet snippet = null;
473 469
474 int opcode = x.opcode(); 470 int opcode = x.opcode();
475 XirArgument receiver; 471 XirArgument receiver;
883 CiCallingConvention callingConvention = compilation.frameMap().getCallingConvention(new CiKind[]{CiKind.Object}, RuntimeCall); 879 CiCallingConvention callingConvention = compilation.frameMap().getCallingConvention(new CiKind[]{CiKind.Object}, RuntimeCall);
884 CiValue argumentOperand = callingConvention.locations[0]; 880 CiValue argumentOperand = callingConvention.locations[0];
885 lir.move(exceptionOpr, argumentOperand); 881 lir.move(exceptionOpr, argumentOperand);
886 882
887 lir.throwException(CiValue.IllegalValue, argumentOperand, info); 883 lir.throwException(CiValue.IllegalValue, argumentOperand, info);
884 }
885
886 @Override
887 public void visitDeoptimize(Deoptimize deoptimize) {
888 DeoptimizationStub stub = new DeoptimizationStub(deoptimize.stateBefore());
889 addDeoptimizationStub(stub);
890 lir.branch(Condition.TRUE, stub.label, stub.info);
888 } 891 }
889 892
890 private void blockDoEpilog(BlockBegin block) { 893 private void blockDoEpilog(BlockBegin block) {
891 if (C1XOptions.PrintIRWithLIR) { 894 if (C1XOptions.PrintIRWithLIR) {
892 TTY.println(); 895 TTY.println();