1 /* Multiply a limb vector by a limb, for PowerPC.
2 Copyright (C) 1993-1995, 1997, 1999, 2000 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
24 /* mp_limb_t mpn_mul_1 (mp_ptr res_ptr, mp_srcptr s1_ptr,
25 mp_size_t s1_size, mp_limb_t s2_limb)
26 Calculate s1*s2 and put result in res_ptr; return carry. */
28 ENTRY (BP_SYM (__mpn_mul_1))
29 #if __BOUNDED_POINTERS__
30 slwi r10,r5,2 /* convert limbs to bytes */
31 CHECK_BOUNDS_BOTH_WIDE (r3, r8, r9, r10)
32 CHECK_BOUNDS_BOTH_WIDE (r4, r8, r9, r10)
39 addi r3,r3,-4 # adjust res_ptr
40 addic r5,r5,0 # clear cy with dummy insn
53 END (BP_SYM (__mpn_mul_1))