| ; mc88110 __gmpn_mul_1 -- Multiply a limb vector with a single limb and |
| ; store the product in a second limb vector. |
| |
| ; Copyright 1992, 1994, 1995, 2000 Free Software Foundation, Inc. |
| |
| ; This file is part of the GNU MP Library. |
| |
| ; The GNU MP Library is free software; you can redistribute it and/or modify |
| ; it under the terms of the GNU Lesser General Public License as published by |
| ; the Free Software Foundation; either version 3 of the License, or (at your |
| ; option) any later version. |
| |
| ; The GNU MP Library is distributed in the hope that it will be useful, but |
| ; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| ; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
| ; License for more details. |
| |
| ; You should have received a copy of the GNU Lesser General Public License |
| ; along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. |
| |
| |
| ; INPUT PARAMETERS |
| ; res_ptr r2 |
| ; s1_ptr r3 |
| ; size r4 |
| ; s2_limb r5 |
| |
| text |
| align 16 |
| global ___gmpn_mul_1 |
| ___gmpn_mul_1: |
| ; Make S1_PTR and RES_PTR point at the end of their blocks |
| ; and negate SIZE. |
| lda r3,r3[r4] |
| lda r8,r2[r4] ; RES_PTR in r8 since r2 is retval |
| subu r4,r0,r4 |
| |
| addu.co r2,r0,r0 ; r2 = cy = 0 |
| |
| ld r6,r3[r4] |
| addu r4,r4,1 |
| mulu.d r10,r6,r5 |
| bcnd.n eq0,r4,Lend |
| subu r8,r8,8 |
| |
| Loop: ld r6,r3[r4] |
| addu.cio r9,r11,r2 |
| or r2,r10,r0 ; could be avoided if unrolled |
| addu r4,r4,1 |
| mulu.d r10,r6,r5 |
| bcnd.n ne0,r4,Loop |
| st r9,r8[r4] |
| |
| Lend: addu.cio r9,r11,r2 |
| st r9,r8,4 |
| jmp.n r1 |
| addu.ci r2,r10,r0 |