1 dnl x86 mpn_mul_1 (for 386, 486, and Pentium Pro) -- Multiply a limb vector
2 dnl with a limb and store the result in a second limb vector.
4 dnl Copyright 1992, 1994, 1997, 1998, 1999, 2000, 2001, 2002, 2005 Free
5 dnl Software Foundation, Inc.
7 dnl This file is part of the GNU MP Library.
9 dnl The GNU MP Library is free software; you can redistribute it and/or
10 dnl modify it under the terms of the GNU Lesser General Public License as
11 dnl published by the Free Software Foundation; either version 3 of the
12 dnl License, or (at your option) any later version.
14 dnl The GNU MP Library is distributed in the hope that it will be useful,
15 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
16 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 dnl Lesser General Public License for more details.
19 dnl You should have received a copy of the GNU Lesser General Public License
20 dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
22 include(`../config.m4')
27 C P6 model 0-8,10-12) 5.5
29 C P6 model 13 (Dothan) 5.25
30 C P4 model 0 (Willamette) 19.0
32 C P4 model 2 (Northwood) 19.0
33 C P4 model 3 (Prescott)
40 C mp_limb_t mpn_mul_1 (mp_ptr dst, mp_srcptr src, mp_size_t size,
41 C mp_limb_t multiplier);
43 defframe(PARAM_MULTIPLIER,16)
44 defframe(PARAM_SIZE, 12)
45 defframe(PARAM_SRC, 8)
46 defframe(PARAM_DST, 4)
75 movl %edx,%ebx C propagate carry into cylimb
88 L(oop): movl (%esi),%eax
97 addl %eax,%ebp C new lo + cylimb
102 mull PARAM_MULTIPLIER
104 addl %eax,%ebx C new lo + cylimb
109 mull PARAM_MULTIPLIER
111 addl %eax,%ebp C new lo + cylimb
122 L(end): movl %ebx,%eax