cerc-io/solidity
15
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge pull request #6112 from ethereum/fixYulrun

Browse Source 
Fix signextend implementation
This commit is contained in:
chriseth 2019-02-26 19:10:04 +01:00 committed by GitHub
commit cc27d95be2
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
test/tools/yulInterpreter/EVMInstructionInterpreter.cpp
View File

@ -169,7 +169,7 @@ u256 EVMInstructionInterpreter::eval(
return arg[2] == 0 ? 0 : u256((u512(arg[0]) * u512(arg[1])) % arg[2]); return arg[2] == 0 ? 0 : u256((u512(arg[0]) * u512(arg[1])) % arg[2]);
case Instruction::SIGNEXTEND: case Instruction::SIGNEXTEND:
if (arg[0] >= 31) if (arg[0] >= 31)
return arg[0]; return arg[1];
else else
{ {
unsigned testBit = unsigned(arg[0]) * 8 + 7; unsigned testBit = unsigned(arg[0]) * 8 + 7;