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Merge pull request #6112 from ethereum/fixYulrun

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Fix signextend implementation
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chriseth 2019-02-26 19:10:04 +01:00 committed by GitHub
commit cc27d95be2
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1 changed files with 1 additions and 1 deletions
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2
test/tools/yulInterpreter/EVMInstructionInterpreter.cpp
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@ -169,7 +169,7 @@ u256 EVMInstructionInterpreter::eval(
return arg[2] == 0 ? 0 : u256((u512(arg[0]) * u512(arg[1])) % arg[2]);
case Instruction::SIGNEXTEND:
if (arg[0] >= 31)
return arg[0];
return arg[1];
else
{
unsigned testBit = unsigned(arg[0]) * 8 + 7;