root/src/system/libroot/posix/musl/math/x86_64/acosl.s
# see ../i386/acos.s

.global acosl
.type acosl,@function
acosl:
        fldt 8(%rsp)
1:      fld %st(0)
        fld1
        fsub %st(0),%st(1)
        fadd %st(2)
        fmulp
        fsqrt
        fabs
        fxch %st(1)
        fpatan
        ret