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comparison truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/utilities/CountingConditionProfile.java @ 22389:c1dfbaeef4af

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Profile counts should not overflow, otherwise injectBranchProbability triggers assertion
author Stefan Marr <stefan.marr@jku.at>
date Thu, 19 Nov 2015 15:32:26 +0100
parents dc83cc1f94f2
children a63bda98cfdb
comparison
equal deleted inserted replaced
22388:9f64eb5ad9c1 22389:c1dfbaeef4af
50 if (value) { 50 if (value) {
51 if (trueCount == 0) { 51 if (trueCount == 0) {
52 CompilerDirectives.transferToInterpreterAndInvalidate(); 52 CompilerDirectives.transferToInterpreterAndInvalidate();
53 } 53 }
54 if (CompilerDirectives.inInterpreter()) { 54 if (CompilerDirectives.inInterpreter()) {
55 trueCount++; 55 if (trueCount < Integer.MAX_VALUE) {
56 trueCount++;
57 }
56 } 58 }
57 } else { 59 } else {
58 if (falseCount == 0) { 60 if (falseCount == 0) {
59 CompilerDirectives.transferToInterpreterAndInvalidate(); 61 CompilerDirectives.transferToInterpreterAndInvalidate();
60 } 62 }
61 if (CompilerDirectives.inInterpreter()) { 63 if (CompilerDirectives.inInterpreter()) {
62 falseCount++; 64 if (falseCount < Integer.MAX_VALUE) {
65 falseCount++;
66 }
63 } 67 }
64 } 68 }
65 return CompilerDirectives.injectBranchProbability((double) trueCount / (double) (trueCount + falseCount), value); 69 return CompilerDirectives.injectBranchProbability((double) trueCount / (double) (trueCount + falseCount), value);
66 } 70 }
67 71