# MIPS3 __gmpn_add_n -- Add two limb vectors of the same length > 0 and # store sum in a third limb vector. # Copyright (C) 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 Library General Public License as published by # the Free Software Foundation; either version 2 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 Library General Public # License for more details. # You should have received a copy of the GNU Library General Public License # along with the GNU MP Library; see the file COPYING.LIB. If not, write to # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, # MA 02111-1307, USA. # INPUT PARAMETERS # res_ptr $4 # s1_ptr $5 # s2_ptr $6 # size $7 .text .align 2 .globl __gmpn_add_n .ent __gmpn_add_n __gmpn_add_n: .set noreorder .set nomacro ld $10,0($5) ld $11,0($6) daddiu $7,$7,-1 and $9,$7,4-1 # number of limbs in first loop beq $9,$0,.L0 # if multiple of 4 limbs, skip first loop move $2,$0 dsubu $7,$7,$9 .Loop0: daddiu $9,$9,-1 ld $12,8($5) daddu $11,$11,$2 ld $13,8($6) sltu $8,$11,$2 daddu $11,$10,$11 sltu $2,$11,$10 sd $11,0($4) or $2,$2,$8 daddiu $5,$5,8 daddiu $6,$6,8 move $10,$12 move $11,$13 bne $9,$0,.Loop0 daddiu $4,$4,8 .L0: beq $7,$0,.Lend nop .Loop: daddiu $7,$7,-4 ld $12,8($5) daddu $11,$11,$2 ld $13,8($6) sltu $8,$11,$2 daddu $11,$10,$11 sltu $2,$11,$10 sd $11,0($4) or $2,$2,$8 ld $10,16($5) daddu $13,$13,$2 ld $11,16($6) sltu $8,$13,$2 daddu $13,$12,$13 sltu $2,$13,$12 sd $13,8($4) or $2,$2,$8 ld $12,24($5) daddu $11,$11,$2 ld $13,24($6) sltu $8,$11,$2 daddu $11,$10,$11 sltu $2,$11,$10 sd $11,16($4) or $2,$2,$8 ld $10,32($5) daddu $13,$13,$2 ld $11,32($6) sltu $8,$13,$2 daddu $13,$12,$13 sltu $2,$13,$12 sd $13,24($4) or $2,$2,$8 daddiu $5,$5,32 daddiu $6,$6,32 bne $7,$0,.Loop daddiu $4,$4,32 .Lend: daddu $11,$11,$2 sltu $8,$11,$2 daddu $11,$10,$11 sltu $2,$11,$10 sd $11,0($4) j $31 or $2,$2,$8 .end __gmpn_add_n