File: [local] / OpenXM_contrib / gmp / mpn / i960 / Attic / addmul_1.s (download)
Revision 1.1.1.2 (vendor branch), Sat Sep 9 14:12:30 2000 UTC (23 years, 11 months ago) by maekawa
Branch: GMP
CVS Tags: maekawa-ipv6, VERSION_3_1_1, VERSION_3_1, RELEASE_1_2_2, RELEASE_1_2_1, RELEASE_1_1_3 Changes since 1.1.1.1: +8 -8
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Import gmp 3.1
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# I960 __gmpn_addmul_1 -- Multiply a limb vector with a limb and add
# the result to a second 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 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.
.text
.align 4
.globl ___gmpn_mul_1
___gmpn_mul_1:
subo g2,0,g2
shlo 2,g2,g4
subo g4,g1,g1
subo g4,g0,g13
mov 0,g0
cmpo 1,0 # clear C bit on AC.cc
Loop: ld (g1)[g2*4],g5
emul g3,g5,g6
ld (g13)[g2*4],g5
addc g0,g6,g6 # relies on that C bit is clear
addc 0,g7,g7
addc g5,g6,g6 # relies on that C bit is clear
st g6,(g13)[g2*4]
addc 0,g7,g0
addo g2,1,g2
cmpobne 0,g2,Loop # when branch is taken, clears C bit
ret