.*warn_noat.s: Assembler messages: .*warn_noat.s:2: Warning: Register at \(r1\) can sometimes be corrupted by assembler optimizations. Use .set noat to turn off those optimizations \(and this warning\). .*warn_noat.s:8: Warning: Register at \(r1\) can sometimes be corrupted by assembler optimizations. Use .set noat to turn off those optimizations \(and this warning\).