github.com/afumu/libc@v0.0.6/musl/src/math/x32/acosl.s (about)

     1  # see ../i386/acos.s
     2  
     3  .global acosl
     4  .type acosl,@function
     5  acosl:
     6  	fldt 8(%esp)
     7  1:	fld %st(0)
     8  	fld1
     9  	fsub %st(0),%st(1)
    10  	fadd %st(2)
    11  	fmulp
    12  	fsqrt
    13  	fabs
    14  	fxch %st(1)
    15  	fpatan
    16  	ret