# RUN: not llvm-mc %s -triple=mips-unknown-unknown -mcpu=mips32 2>%t1
# RUN: FileCheck %s < %t1
.set at~
# CHECK: error: unexpected token, expected equals sign
.set at=
# CHECK: error: no register specified
.set at=~
# CHECK: error: unexpected token, expected dollar sign '$'
.set at=$
# CHECK: error: unexpected token, expected identifier or integer
.set at=$-4
# CHECK: error: unexpected token, expected identifier or integer
.set at=$1000
# CHECK: error: invalid register
.set at=$foo
# CHECK: error: invalid register
.set at=$2bar
# CHECK: error: unexpected token, expected end of statement
.set noat bar
# CHECK: error: unexpected token, expected end of statement