diff options
Diffstat (limited to 'libsolidity/inlineasm/AsmAnalysis.cpp')
| -rw-r--r-- | libsolidity/inlineasm/AsmAnalysis.cpp | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/libsolidity/inlineasm/AsmAnalysis.cpp b/libsolidity/inlineasm/AsmAnalysis.cpp index 9a0110cf..0f2c0f56 100644 --- a/libsolidity/inlineasm/AsmAnalysis.cpp +++ b/libsolidity/inlineasm/AsmAnalysis.cpp @@ -565,18 +565,10 @@ void AsmAnalyzer::warnOnInstructions(solidity::Instruction _instr, SourceLocatio // We assume that returndatacopy, returndatasize and staticcall are either all available // or all not available. solAssert(m_evmVersion.supportsReturndata() == m_evmVersion.hasStaticCall(), ""); + // Similarly we assume bitwise shifting and create2 go together. + solAssert(m_evmVersion.hasBitwiseShifting() == m_evmVersion.hasCreate2(), ""); - if (_instr == solidity::Instruction::CREATE2) - m_errorReporter.warning( - _location, - "The \"" + - boost::to_lower_copy(instructionInfo(_instr).name) - + "\" instruction is not supported by the VM version \"" + - "" + m_evmVersion.name() + - "\" you are currently compiling for. " + - "It will be interpreted as an invalid instruction on this VM." - ); - else if (( + if (( _instr == solidity::Instruction::RETURNDATACOPY || _instr == solidity::Instruction::RETURNDATASIZE || _instr == solidity::Instruction::STATICCALL @@ -593,7 +585,8 @@ void AsmAnalyzer::warnOnInstructions(solidity::Instruction _instr, SourceLocatio else if (( _instr == solidity::Instruction::SHL || _instr == solidity::Instruction::SHR || - _instr == solidity::Instruction::SAR + _instr == solidity::Instruction::SAR || + _instr == solidity::Instruction::CREATE2 ) && !m_evmVersion.hasBitwiseShifting()) m_errorReporter.warning( _location, |