1.global asinf 2.type asinf,@function 3asinf: 4 flds 4(%esp) 5 mov 4(%esp),%eax 6 add %eax,%eax 7 cmp $0x01000000,%eax 8 jb 1f 9 fld %st(0) 10 fld1 11 fsub %st(0),%st(1) 12 fadd %st(2) 13 fmulp 14 fsqrt 15 fpatan 16 fstps 4(%esp) 17 flds 4(%esp) 18 ret 19 # subnormal x, return x with underflow 201: fld %st(0) 21 fmul %st(1) 22 fstps 4(%esp) 23 ret 24