| .global expf | |
| expf: | |
| mov 4(%esp),%eax | |
| flds 4(%esp) | |
| shr $23,%eax | |
| inc %al | |
| jz 1f | |
| jmp 0f | |
| .global exp | |
| exp: | |
| mov 8(%esp),%eax | |
| fldl 4(%esp) | |
| shl %eax | |
| cmp $0xffe00000,%eax | |
| jae 1f | |
| 0: fldl2e | |
| fmulp | |
| fst %st(1) | |
| frndint | |
| fst %st(2) | |
| fsubrp | |
| f2xm1 | |
| fld1 | |
| faddp | |
| fscale | |
| fstp %st(1) | |
| ret | |
| 1: fsts 4(%esp) | |
| cmpl $0xff800000,4(%esp) | |
| jnz 1f | |
| fstp %st(0) | |
| fldz | |
| 1: ret |