! SH2 __gmpn_addmul_1 -- Multiply a limb vector with a limb and add ! the result to a second limb vector. ! Copyright 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 2.1 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; see the file COPYING.LIB. If not, write to ! the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, ! MA 02110-1301, USA. ! INPUT PARAMETERS ! res_ptr r4 ! s1_ptr r5 ! size r6 ! s2_limb r7 .text .align 1 .global ___gmpn_addmul_1 ___gmpn_addmul_1: mov #0,r2 ! cy_limb = 0 mov #0,r0 ! Keep r0 = 0 for entire loop clrt Loop: mov.l @r5+,r3 dmulu.l r3,r7 sts macl,r1 addc r2,r1 ! lo_prod += old cy_limb sts mach,r2 ! new cy_limb = hi_prod mov.l @r4,r3 addc r0,r2 ! cy_limb += T, T = 0 addc r3,r1 addc r0,r2 ! cy_limb += T, T = 0 dt r6 mov.l r1,@r4 bf.s Loop add #4,r4 rts mov r2,r0