forks/go-ethereum
1
0
Fork 1
mirror of https://github.com/ethereum/go-ethereum.git synced 2026-07-21 20:26:41 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Change a bit the implementation of GAS instruction

Browse source 
[Delivers #79942174]
This commit is contained in:
Paweł Bylica 2014-10-14 18:26:47 +02:00
parent 0d679f0c73
commit 00e5afc1a5
3 changed files with 4 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
evmcc/Compiler.cpp
View file

@ -690,8 +690,7 @@ std::unique_ptr<llvm::Module> Compiler::compile(const dev::bytes& bytecode)
case Instruction::GAS: case Instruction::GAS:
{ {
auto value = builder.CreateLoad(gasMeter.getLLVMGasVar()); stack.push(gasMeter.getGas());
stack.push(value);
break; break;
} }

4
evmcc/GasMeter.cpp
View file

@ -167,9 +167,9 @@ void GasMeter::checkMemory(llvm::Value* _additionalMemoryInWords, llvm::IRBuilde
_builder.CreateCall(m_gasCheckFunc, cost); _builder.CreateCall(m_gasCheckFunc, cost);
} }
llvm::GlobalVariable* GasMeter::getLLVMGasVar() llvm::Value* GasMeter::getGas()
{ {
return m_gas; m_builder.CreateLoad(m_gas, "gas");
} }
} }

2
evmcc/GasMeter.h
View file

@ -32,7 +32,7 @@ public:
/// Generate code that checks the cost of additional memory used by program /// Generate code that checks the cost of additional memory used by program
void checkMemory(llvm::Value* _additionalMemoryInWords, llvm::IRBuilder<>& _builder); void checkMemory(llvm::Value* _additionalMemoryInWords, llvm::IRBuilder<>& _builder);
llvm::GlobalVariable* getLLVMGasVar(); llvm::Value* getGas();
private: private:
/// Cumulative gas cost of a block of instructions /// Cumulative gas cost of a block of instructions