{standard input}: Assembler messages: {standard input}:47: Error: selected processor does not support Thumb mode `ldrex r1,[r3]' {standard input}:49: Error: selected processor does not support Thumb mode `strex r0,r1,[r3]' {standard input}:50: Error: selected processor does not support Thumb mode `teq r0,#0' {standard input}:111: Error: selected processor does not support Thumb mode `ldrex r2,[r3]' ...etc, repeats about 20 times with different line numbers