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| author | obscuren <geffobscura@gmail.com> | 2014-05-06 23:43:27 +0800 |
|---|---|---|
| committer | obscuren <geffobscura@gmail.com> | 2014-05-06 23:43:27 +0800 |
| commit | a0af7de58eeba598c8e967ae9deefb4ee287a1df (patch) | |
| tree | 5ebf941f106b4827949dc1849ca12039473e4819 /ethchain/vm.go | |
| parent | af6875f4b25145402b20e37ab037d912f54ec968 (diff) | |
| download | go-tangerine-a0af7de58eeba598c8e967ae9deefb4ee287a1df.tar.gz go-tangerine-a0af7de58eeba598c8e967ae9deefb4ee287a1df.tar.zst go-tangerine-a0af7de58eeba598c8e967ae9deefb4ee287a1df.zip | |
Optimizations
Diffstat (limited to 'ethchain/vm.go')
| -rw-r--r-- | ethchain/vm.go | 30 |
1 files changed, 10 insertions, 20 deletions
diff --git a/ethchain/vm.go b/ethchain/vm.go index 3a3b3447a..bac313006 100644 --- a/ethchain/vm.go +++ b/ethchain/vm.go @@ -95,6 +95,8 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro ethutil.Config.Log.Debugf("# op\n") } + fmt.Println(closure.Script) + for { // The base for all big integer arithmetic base := new(big.Int) @@ -104,11 +106,9 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro val := closure.Get(pc) // Get the opcode (it must be an opcode!) op := OpCode(val.Uint()) - /* - if ethutil.Config.Debug { - ethutil.Config.Log.Debugf("%-3d %-4s", pc, op.String()) - } - */ + if ethutil.Config.Debug { + ethutil.Config.Log.Debugf("%-3d %-4s", pc, op.String()) + } gas := new(big.Int) useGas := func(amount *big.Int) { @@ -352,27 +352,17 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro // TODO stack.Push(big.NewInt(0)) - // 0x50 range - case oPUSH: // Push PC+1 on to the stack + // 0x50 range + case oPUSH1, oPUSH2, oPUSH3, oPUSH4, oPUSH5, oPUSH6, oPUSH7, oPUSH8, oPUSH9, oPUSH10, oPUSH11, oPUSH12, oPUSH13, oPUSH14, oPUSH15, oPUSH16, oPUSH17, oPUSH18, oPUSH19, oPUSH20, oPUSH21, oPUSH22, oPUSH23, oPUSH24, oPUSH25, oPUSH26, oPUSH27, oPUSH28, oPUSH29, oPUSH30, oPUSH31, oPUSH32: + a := big.NewInt(int64(op) - int64(oPUSH1) + 1) pc.Add(pc, ethutil.Big1) - data := closure.Gets(pc, big.NewInt(32)) + data := closure.Gets(pc, a) val := ethutil.BigD(data.Bytes()) - // Push value to stack stack.Push(val) - - pc.Add(pc, big.NewInt(31)) + pc.Add(pc, a.Sub(a, big.NewInt(1))) step++ - case oPUSH20: - pc.Add(pc, ethutil.Big1) - data := closure.Gets(pc, big.NewInt(20)) - val := ethutil.BigD(data.Bytes()) - // Push value to stack - stack.Push(val) - - pc.Add(pc, big.NewInt(19)) - step++ case oPOP: require(1) stack.Pop() |