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comparison graal/GraalCompiler/src/com/sun/c1x/gen/LIRGenerator.java @ 2767:cc2b98e2b832

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Reduced moveToPhi usages to 1.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Mon, 23 May 2011 16:23:28 +0200
parents b72e6638b9e6
children 43ffa0e47a46
comparison
equal deleted inserted replaced
2764:99912abb3ff7 2767:cc2b98e2b832
563 @Override 563 @Override
564 public void visitLookupSwitch(LookupSwitch x) { 564 public void visitLookupSwitch(LookupSwitch x) {
565 CiValue tag = load(x.value()); 565 CiValue tag = load(x.value());
566 setNoResult(x); 566 setNoResult(x);
567 567
568 // move values into phi locations
569 moveToPhi(x.stateAfter());
570
571 if (x.numberOfCases() == 0 || x.numberOfCases() < C1XOptions.SequentialSwitchLimit) { 568 if (x.numberOfCases() == 0 || x.numberOfCases() < C1XOptions.SequentialSwitchLimit) {
572 int len = x.numberOfCases(); 569 int len = x.numberOfCases();
573 for (int i = 0; i < len; i++) { 570 for (int i = 0; i < len; i++) {
574 lir.cmp(Condition.EQ, tag, x.keyAt(i)); 571 lir.cmp(Condition.EQ, tag, x.keyAt(i));
575 lir.branch(Condition.EQ, CiKind.Int, getLIRBlock(x.blockSuccessor(i))); 572 lir.branch(Condition.EQ, CiKind.Int, getLIRBlock(x.blockSuccessor(i)));
822 value.setDestroysRegister(); 819 value.setDestroysRegister();
823 value.loadItem(); 820 value.loadItem();
824 821
825 CiValue tag = value.result(); 822 CiValue tag = value.result();
826 setNoResult(x); 823 setNoResult(x);
827
828 // move values into phi locations
829 moveToPhi(x.stateAfter());
830 824
831 // TODO: tune the defaults for the controls used to determine what kind of translation to use 825 // TODO: tune the defaults for the controls used to determine what kind of translation to use
832 if (x.numberOfCases() == 0 || x.numberOfCases() <= C1XOptions.SequentialSwitchLimit) { 826 if (x.numberOfCases() == 0 || x.numberOfCases() <= C1XOptions.SequentialSwitchLimit) {
833 int loKey = x.lowKey(); 827 int loKey = x.lowKey();
834 int len = x.numberOfCases(); 828 int len = x.numberOfCases();