From 1bb398f4e22feef8f83fedd8a525e4da5b627773 Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Sun, 2 Nov 2014 19:39:45 +0100
Subject: [PATCH] Sign ext
---
ethutil/big.go | 2 --
vm/vm_debug.go | 2 +-
2 files changed, 1 insertion(+), 3 deletions(-)
diff --git a/ethutil/big.go b/ethutil/big.go
index 8d7b3fe70..07d1386e1 100644
--- a/ethutil/big.go
+++ b/ethutil/big.go
@@ -2,8 +2,6 @@ package ethutil
import "math/big"
-var MaxInt256 *big.Int = BigD(Hex2Bytes("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"))
-
// Big pow
//
// Returns the power of two big integers
diff --git a/vm/vm_debug.go b/vm/vm_debug.go
index 129ea1a59..05ae347f6 100644
--- a/vm/vm_debug.go
+++ b/vm/vm_debug.go
@@ -394,7 +394,7 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
stack.Push(base)
case SIGNEXTEND:
back := stack.Pop().Uint64()
- if back.Cmp(big.NewInt(31)) < 0 {
+ if back < 31 {
bit := uint(back*8 + 7)
num := stack.Pop()
mask := new(big.Int).Lsh(ethutil.Big1, bit)
--
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