1 files changed, 0 insertions, 123 deletions
diff --git a/core/vm/jit_optimiser.go b/core/vm/jit_optimiser.go
deleted file mode 100644
index 31ad0c2e2..000000000
--- a/core/vm/jit_optimiser.go
+++ /dev/null
@@ -1,123 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package vm
-
-import (
-	"math/big"
-	"time"
-
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
-)
-
-// optimeProgram optimises a JIT program creating segments out of program
-// instructions. Currently covered are multi-pushes and static jumps
-func optimiseProgram(program *Program) {
-	var load []instruction
-
-	var (
-		statsJump = 0
-		statsPush = 0
-	)
-
-	if glog.V(logger.Debug) {
-		glog.Infof("optimising %x\n", program.Id[:4])
-		tstart := time.Now()
-		defer func() {
-			glog.Infof("optimised %x done in %v with JMP: %d PSH: %d\n", program.Id[:4], time.Since(tstart), statsJump, statsPush)
-		}()
-	}
-
-	/*
-		code := Parse(program.code)
-		for _, test := range [][]OpCode{
-			[]OpCode{PUSH, PUSH, ADD},
-			[]OpCode{PUSH, PUSH, SUB},
-			[]OpCode{PUSH, PUSH, MUL},
-			[]OpCode{PUSH, PUSH, DIV},
-		} {
-			matchCount := 0
-			MatchFn(code, test, func(i int) bool {
-				matchCount++
-				return true
-			})
-			fmt.Printf("found %d match count on: %v\n", matchCount, test)
-		}
-	*/
-
-	for i := 0; i < len(program.instructions); i++ {
-		instr := program.instructions[i].(instruction)
-
-		switch {
-		case instr.op.IsPush():
-			load = append(load, instr)
-		case instr.op.IsStaticJump():
-			if len(load) == 0 {
-				continue
-			}
-			// if the push load is greater than 1, finalise that
-			// segment first
-			if len(load) > 2 {
-				seg, size := makePushSeg(load[:len(load)-1])
-				program.instructions[i-size-1] = seg
-				statsPush++
-			}
-			// create a segment consisting of a pre determined
-			// jump, destination and validity.
-			seg := makeStaticJumpSeg(load[len(load)-1].data, program)
-			program.instructions[i-1] = seg
-			statsJump++
-
-			load = nil
-		default:
-			// create a new N pushes segment
-			if len(load) > 1 {
-				seg, size := makePushSeg(load)
-				program.instructions[i-size] = seg
-				statsPush++
-			}
-			load = nil
-		}
-	}
-}
-
-// makePushSeg creates a new push segment from N amount of push instructions
-func makePushSeg(instrs []instruction) (pushSeg, int) {
-	var (
-		data []*big.Int
-		gas  = new(big.Int)
-	)
-
-	for _, instr := range instrs {
-		data = append(data, instr.data)
-		gas.Add(gas, instr.gas)
-	}
-
-	return pushSeg{data, gas}, len(instrs)
-}
-
-// makeStaticJumpSeg creates a new static jump segment from a predefined
-// destination (PUSH, JUMP).
-func makeStaticJumpSeg(to *big.Int, program *Program) jumpSeg {
-	gas := new(big.Int)
-	gas.Add(gas, _baseCheck[PUSH1].gas)
-	gas.Add(gas, _baseCheck[JUMP].gas)
-
-	contract := &Contract{Code: program.code}
-	pos, err := jump(program.mapping, program.destinations, contract, to)
-	return jumpSeg{pos, err, gas}
-}