github.com/afumu/libc@v0.0.6/musl/src/math/i386/atan2f.s (about) 1 .global atan2f 2 .type atan2f,@function 3 atan2f: 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) 17 1: ret