Moved sizeof functions to a separate package

src/build/arch/x64/Move.go

@@ -4,13 +4,14 @@ import (
 	"encoding/binary"
 
 	"git.akyoto.dev/cli/q/src/build/cpu"
+	"git.akyoto.dev/cli/q/src/build/sizeof"
 )
 
 // MoveRegisterNumber moves an integer into the given register.
 func MoveRegisterNumber(code []byte, destination cpu.Register, number int) []byte {
 	w := byte(0)
 
-	if SizeOf(int64(number)) == 8 {
+	if sizeof.Signed(int64(number)) == 8 {
 		w = 1
 	}