7 movl $0xc2820000,-4(%esp)
14 # x*log2e <= -65, return -1 without underflow
49 cmpl $0xc67ff800,(%esp)
51 movl $0x5f000000,(%esp)
59 je 2f # x - 0x1p63 + 0x1p63 == x
61 flds (%esp) # 0x1p-149
63 fstps (%esp) # raise underflow
68 fsub %st(2) # st(0)=x-rint(x), st(1)=1, st(2)=rint(x)
87 fldt (%esp) # 2^rint(x)