add_n.s
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- # VAX __gmpn_add_n -- Add two limb vectors of the same length > 0 and store
- # sum in a third limb vector.
- # Copyright 1999, 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 (sp + 4)
- # s1_ptr (sp + 8)
- # s2_ptr (sp + 12)
- # size (sp + 16)
- .text
- .align 1
- .globl ___gmpn_add_n
- ___gmpn_add_n:
- .word 0x0
- movl 16(ap),r0
- movl 12(ap),r1
- movl 8(ap),r2
- movl 4(ap),r3
- mnegl r0,r5
- addl2 $3,r0
- ashl $-2,r0,r0 # unroll loop count
- bicl2 $-4,r5 # mask out low 2 bits
- movaq (r5)[r5],r5 # 9x
- jmp Loop(r5)
- Loop: movl (r2)+,r4
- adwc (r1)+,r4
- movl r4,(r3)+
- movl (r2)+,r4
- adwc (r1)+,r4
- movl r4,(r3)+
- movl (r2)+,r4
- adwc (r1)+,r4
- movl r4,(r3)+
- movl (r2)+,r4
- adwc (r1)+,r4
- movl r4,(r3)+
- sobgtr r0,Loop
- adwc r0,r0
- ret