From cdac126d805f029858e587d63364b71ec38cf6a7 Mon Sep 17 00:00:00 2001
From: Koichi Shiraishi <zchee.io@gmail.com>
Date: Wed, 9 Dec 2020 19:12:33 +0900
Subject: [PATCH] Change uintptrSize to constant

---
 encode_opcode.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/encode_opcode.go b/encode_opcode.go
index e4ca528..a7c93a4 100644
--- a/encode_opcode.go
+++ b/encode_opcode.go
@@ -6,7 +6,7 @@ import (
 	"unsafe"
 )
 
-var uintptrSize = unsafe.Sizeof(uintptr(0))
+const uintptrSize = 4 << (^uintptr(0) >> 63) // unsafe.Sizeof(uintptr(0)) but an ideal const
 
 type opcode struct {
 	op           opType // operation type