diff options
Diffstat (limited to 'libevmasm')
| -rw-r--r-- | libevmasm/Instruction.h | 20 | ||||
| -rw-r--r-- | libevmasm/PeepholeOptimiser.cpp | 5 |
2 files changed, 16 insertions, 9 deletions
diff --git a/libevmasm/Instruction.h b/libevmasm/Instruction.h index 89a25fb7..afbef71d 100644 --- a/libevmasm/Instruction.h +++ b/libevmasm/Instruction.h @@ -87,13 +87,6 @@ enum class Instruction: uint8_t DIFFICULTY, ///< get the block's difficulty GASLIMIT, ///< get the block's gas limit - JUMPTO = 0x4a, ///< alter the program counter to a jumpdest -- not part of Instructions.cpp - JUMPIF, ///< conditionally alter the program counter -- not part of Instructions.cpp - JUMPV, ///< alter the program counter to a jumpdest -- not part of Instructions.cpp - JUMPSUB, ///< alter the program counter to a beginsub -- not part of Instructions.cpp - JUMPSUBV, ///< alter the program counter to a beginsub -- not part of Instructions.cpp - RETURNSUB, ///< return to subroutine jumped from -- not part of Instructions.cpp - POP = 0x50, ///< remove item from stack MLOAD, ///< load word from memory MSTORE, ///< save word to memory @@ -106,8 +99,6 @@ enum class Instruction: uint8_t MSIZE, ///< get the size of active memory GAS, ///< get the amount of available gas JUMPDEST, ///< set a potential jump destination - BEGINSUB, ///< set a potential jumpsub destination -- not part of Instructions.cpp - BEGINDATA, ///< begine the data section -- not part of Instructions.cpp PUSH1 = 0x60, ///< place 1 byte item on stack PUSH2, ///< place 2 byte item on stack @@ -182,6 +173,17 @@ enum class Instruction: uint8_t LOG3, ///< Makes a log entry; 3 topics. LOG4, ///< Makes a log entry; 4 topics. + JUMPTO = 0xb0, ///< alter the program counter to a jumpdest -- not part of Instructions.cpp + JUMPIF, ///< conditionally alter the program counter -- not part of Instructions.cpp + JUMPV, ///< alter the program counter to a jumpdest -- not part of Instructions.cpp + JUMPSUB, ///< alter the program counter to a beginsub -- not part of Instructions.cpp + JUMPSUBV, ///< alter the program counter to a beginsub -- not part of Instructions.cpp + BEGINSUB, ///< set a potential jumpsub destination -- not part of Instructions.cpp + BEGINDATA, ///< begin the data section -- not part of Instructions.cpp + RETURNSUB, ///< return to subroutine jumped from -- not part of Instructions.cpp + PUTLOCAL, ///< pop top of stack to local variable -- not part of Instructions.cpp + GETLOCAL, ///< push local variable to top of stack -- not part of Instructions.cpp + CREATE = 0xf0, ///< create a new account with associated code CALL, ///< message-call into an account CALLCODE, ///< message-call with another account's code only diff --git a/libevmasm/PeepholeOptimiser.cpp b/libevmasm/PeepholeOptimiser.cpp index e94a8ba4..31fdd317 100644 --- a/libevmasm/PeepholeOptimiser.cpp +++ b/libevmasm/PeepholeOptimiser.cpp @@ -30,6 +30,9 @@ using namespace dev; // TODO: Extend this to use the tools from ExpressionClasses.cpp +namespace +{ + struct OptimiserState { AssemblyItems const& items; @@ -246,6 +249,8 @@ void applyMethods(OptimiserState& _state, Method, OtherMethods... _other) applyMethods(_state, _other...); } +} + bool PeepholeOptimiser::optimise() { OptimiserState state {m_items, 0, std::back_inserter(m_optimisedItems)}; |