diff options
Diffstat (limited to 'rts/gmp/mpn/vax/add_n.s')
| -rw-r--r-- | rts/gmp/mpn/vax/add_n.s | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/rts/gmp/mpn/vax/add_n.s b/rts/gmp/mpn/vax/add_n.s new file mode 100644 index 0000000000..cf4060f521 --- /dev/null +++ b/rts/gmp/mpn/vax/add_n.s @@ -0,0 +1,61 @@ +# VAX __gmpn_add_n -- Add two limb vectors of the same length > 0 and store +# sum in a third limb vector. + +# Copyright (C) 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 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., 59 Temple Place - Suite 330, Boston, +# MA 02111-1307, USA. + + +# 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 |