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