add amd64 longinit test, and testcase updates
add amd64 longinit test, and testcase updates

angr/angr,axt/angr,chubbymaggie/angr,chubbymaggie/angr,schieb/angr,angr/angr,f-prettyland/angr,tyb0807/angr,axt/angr,iamahuman/angr,iamahuman/angr,tyb0807/angr,iamahuman/angr,chubbymaggie/angr,f-prettyland/angr,angr/angr,schieb/angr,axt/angr,f-prettyland/angr,schieb/angr,tyb0807/angr