1 /* i80386 __mpn_mul_1 -- Multiply a limb vector with a limb and store
2 the result in a second limb vector.
3 Copyright (C) 2000 Free Software Foundation, Inc.
4 Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
5 This file is part of the GNU MP Library.
7 The GNU MP Library is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Library General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or (at your
10 option) any later version.
12 The GNU MP Library is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
15 License for more details.
17 You should have received a copy of the GNU Library General Public License
18 along with the GNU MP Library; see the file COPYING.LIB. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20 MA 02111-1307, USA. */
31 #include "asm-syntax.h"
36 slr %r6,%r6 # cy_limb = 0
37 .L0: icm %r1,15,0(%r3) # get s1_ptr[i]
38 mr %r0,%r5 # umul_ppmm(prod_high,prod_low,s1_ptr[j],s2_limb)
44 .L2: alr %r1,%r6 # prod_low += cy_limb
45 lr %r6,%r0 # cy_limb = prod_high
47 ahi %r6,1 # + (prod_low < cy_limb)
52 lr %r2,%r6 # return cy_limb