1.global atan2f 2.type atan2f,@function 3atan2f: 4 flds 4(%esp) 5 flds 8(%esp) 6 fpatan 7 fstps 4(%esp) 8 flds 4(%esp) 9 mov 4(%esp),%eax 10 add %eax,%eax 11 cmp $0x01000000,%eax 12 jae 1f 13 # subnormal x, return x with underflow 14 fld %st(0) 15 fmul %st(1) 16 fstps 4(%esp) 171: ret 18