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fix for nasty bug in decoding dup2_x2

This commit is contained in:
Julian Dolby 2018-05-31 19:32:02 -04:00
parent 400b2055ce
commit 196f7cb153
1 changed files with 4 additions and 3 deletions
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7
com.ibm.wala.shrike/src/com/ibm/wala/shrikeBT/Decoder.java
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@ -513,10 +513,11 @@ public abstract class Decoder implements Constants {
case OP_dup2_x1:
i = DupInstruction.make(elemCount(stackWords, stackLen - 1), 1);
break;
case OP_dup2_x2:
i = DupInstruction.make(elemCount(stackWords, stackLen - 1), elemCount(stackWords, stackLen - 2));
case OP_dup2_x2: {
int twoDown = elemCount(stackWords, stackLen - 1);
i = DupInstruction.make(twoDown, elemCount(stackWords, stackLen - twoDown - 1));
break;
case OP_iinc: {
} case OP_iinc: {
int v = wide ? decodeUShort(index) : (code[index] & 0xFF);
int c = wide ? decodeShort(index + 2) : code[index + 1];