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core/vm: optimize copy-less data retrievals

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This commit is contained in:
Péter Szilágyi
2017-08-14 17:08:49 +03:00
parent d8aaa3a215
commit f8d8b56b28
4 changed files with 75 additions and 54 deletions
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8
core/vm/instructions.go
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@ -337,7 +337,7 @@ func opCallValue(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack
}
func opCalldataLoad(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
stack.push(new(big.Int).SetBytes(getData(contract.Input, stack.pop(), common.Big32)))
stack.push(new(big.Int).SetBytes(getDataBig(contract.Input, stack.pop(), big32)))
return nil, nil
}
@ -352,7 +352,7 @@ func opCalldataCopy(pc *uint64, evm *EVM, contract *Contract, memory *Memory, st
cOff = stack.pop()
l = stack.pop()
)
memory.Set(mOff.Uint64(), l.Uint64(), getData(contract.Input, cOff, l))
memory.Set(mOff.Uint64(), l.Uint64(), getDataBig(contract.Input, cOff, l))
evm.interpreter.intPool.put(mOff, cOff, l)
return nil, nil
@ -380,7 +380,7 @@ func opCodeCopy(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack
cOff = stack.pop()
l = stack.pop()
)
codeCopy := getData(contract.Code, cOff, l)
codeCopy := getDataBig(contract.Code, cOff, l)
memory.Set(mOff.Uint64(), l.Uint64(), codeCopy)
@ -395,7 +395,7 @@ func opExtCodeCopy(pc *uint64, evm *EVM, contract *Contract, memory *Memory, sta
cOff = stack.pop()
l = stack.pop()
)
codeCopy := getData(evm.StateDB.GetCode(addr), cOff, l)
codeCopy := getDataBig(evm.StateDB.GetCode(addr), cOff, l)
memory.Set(mOff.Uint64(), l.Uint64(), codeCopy)