1 .section .text 2 .global _fun 3xc16x_shlrol: 4 5 shl r0,r1 6 shl r0,#4 7 shr r0,r1 8 shr r0,#4 9 rol r0,r1 10 rol r0,#4 11 ror r0,r1 12 ror r0,#4 13 ashr r0,r1 14 ashr r0,#4 15