1.global log1pf
 2.type log1pf,@function
 3log1pf:
 4	mov 4(%esp),%eax
 5	fldln2
 6	and $0x7fffffff,%eax
 7	flds 4(%esp)
 8	cmp $0x3e940000,%eax
 9	ja 1f
10	cmp $0x00800000,%eax
11	jb 2f
12	fyl2xp1
13	fstps 4(%esp)
14	flds 4(%esp)
15	ret
161:	fld1
17	faddp
18	fyl2x
19	fstps 4(%esp)
20	flds 4(%esp)
21	ret
22		# subnormal x, return x with underflow
232:	fxch
24	fmul %st(1)
25	fstps 4(%esp)
26	ret