1dnl  SPARC v9 64-bit mpn_submul_1 -- Multiply a limb vector with a limb and
2dnl  subtract the result from a second limb vector.
3
4dnl  Copyright 2001-2003 Free Software Foundation, Inc.
5
6dnl  This file is part of the GNU MP Library.
7dnl
8dnl  The GNU MP Library is free software; you can redistribute it and/or modify
9dnl  it under the terms of either:
10dnl
11dnl    * the GNU Lesser General Public License as published by the Free
12dnl      Software Foundation; either version 3 of the License, or (at your
13dnl      option) any later version.
14dnl
15dnl  or
16dnl
17dnl    * the GNU General Public License as published by the Free Software
18dnl      Foundation; either version 2 of the License, or (at your option) any
19dnl      later version.
20dnl
21dnl  or both in parallel, as here.
22dnl
23dnl  The GNU MP Library is distributed in the hope that it will be useful, but
24dnl  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
25dnl  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
26dnl  for more details.
27dnl
28dnl  You should have received copies of the GNU General Public License and the
29dnl  GNU Lesser General Public License along with the GNU MP Library.  If not,
30dnl  see https://www.gnu.org/licenses/.
31
32include(`../config.m4')
33
34C		   cycles/limb
35C UltraSPARC 1&2:     18
36C UltraSPARC 3:	      23
37
38C INPUT PARAMETERS
39C rp	i0
40C up	i1
41C n	i2
42C v	i3
43
44ASM_START()
45	REGISTER(%g2,#scratch)
46
47PROLOGUE(mpn_submul_1)
48	save	%sp,-176,%sp
49
50	sllx	%i2, 3, %g2
51	or	%g0, %i1, %o1
52	add	%g2, 15, %o0
53	or	%g0, %i2, %o2
54	and	%o0, -16, %o0
55	sub	%sp, %o0, %sp
56	add	%sp, 2223, %o0
57	or	%g0, %o0, %l0
58	call	mpn_mul_1
59	or	%g0, %i3, %o3
60	or	%g0, %o0, %l1		C preserve carry value from mpn_mul_1
61	or	%g0, %i0, %o0
62	or	%g0, %i0, %o1
63	or	%g0, %l0, %o2
64	call	mpn_sub_n
65	or	%g0, %i2, %o3
66	ret
67	restore	%l1, %o0, %o0		C sum carry values
68EPILOGUE(mpn_submul_1)
69