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Prevent optimizer from changing certain parts of the code.

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Christian 2014-11-06 16:43:20 +01:00
parent 225fc8e1b3
commit b66e58d6c9
1 changed files with 3 additions and 2 deletions
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5
Compiler.cpp
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@ -89,10 +89,11 @@ void Compiler::appendFunctionSelector(vector<ASTPointer<FunctionDefinition>> con
eth::AssemblyItem jumpTableStart = m_context.pushNewTag(); eth::AssemblyItem jumpTableStart = m_context.pushNewTag();
m_context << eth::Instruction::ADD << eth::Instruction::JUMP; m_context << eth::Instruction::ADD << eth::Instruction::JUMP;
// jump table @todo it could be that the optimizer destroys this // jump table, tell the optimizer not to remove the JUMPDESTs
m_context << jumpTableStart; m_context << eth::AssemblyItem(eth::NoOptimizeBegin) << jumpTableStart;
for (pair<string, pair<FunctionDefinition const*, eth::AssemblyItem>> const& f: publicFunctions) for (pair<string, pair<FunctionDefinition const*, eth::AssemblyItem>> const& f: publicFunctions)
m_context.appendJumpTo(f.second.second) << eth::Instruction::JUMPDEST; m_context.appendJumpTo(f.second.second) << eth::Instruction::JUMPDEST;
m_context << eth::AssemblyItem(eth::NoOptimizeEnd);
m_context << returnTag << eth::Instruction::STOP; m_context << returnTag << eth::Instruction::STOP;