mul_1.s revision 1.1
1 ; mc88110 __gmpn_mul_1 -- Multiply a limb vector with a single limb and 2 ; store the product in a second limb vector. 3 4 ; Copyright 1992, 1994, 1995, 2000 Free Software Foundation, Inc. 5 6 ; This file is part of the GNU MP Library. 7 8 ; The GNU MP Library is free software; you can redistribute it and/or modify 9 ; it under the terms of the GNU Lesser General Public License as published by 10 ; the Free Software Foundation; either version 3 of the License, or (at your 11 ; option) any later version. 12 13 ; The GNU MP Library is distributed in the hope that it will be useful, but 14 ; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15 ; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 16 ; License for more details. 17 18 ; You should have received a copy of the GNU Lesser General Public License 19 ; along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. 20 21 22 ; INPUT PARAMETERS 23 ; res_ptr r2 24 ; s1_ptr r3 25 ; size r4 26 ; s2_limb r5 27 28 text 29 align 16 30 global ___gmpn_mul_1 31 ___gmpn_mul_1: 32 ; Make S1_PTR and RES_PTR point at the end of their blocks 33 ; and negate SIZE. 34 lda r3,r3[r4] 35 lda r8,r2[r4] ; RES_PTR in r8 since r2 is retval 36 subu r4,r0,r4 37 38 addu.co r2,r0,r0 ; r2 = cy = 0 39 40 ld r6,r3[r4] 41 addu r4,r4,1 42 mulu.d r10,r6,r5 43 bcnd.n eq0,r4,Lend 44 subu r8,r8,8 45 46 Loop: ld r6,r3[r4] 47 addu.cio r9,r11,r2 48 or r2,r10,r0 ; could be avoided if unrolled 49 addu r4,r4,1 50 mulu.d r10,r6,r5 51 bcnd.n ne0,r4,Loop 52 st r9,r8[r4] 53 54 Lend: addu.cio r9,r11,r2 55 st r9,r8,4 56 jmp.n r1 57 addu.ci r2,r10,r0 58
Indexes created Sat Feb 28 05:31:39 UTC 2026