1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
dnl PowerPC-64 mpn_sqr_diagonal.
dnl Copyright 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU Lesser General Public License as published
dnl by the Free Software Foundation; either version 2.1 of the License, or (at
dnl your option) any later version.
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
dnl License for more details.
dnl You should have received a copy of the GNU Lesser General Public License
dnl along with the GNU MP Library; see the file COPYING.LIB. If not, write to
dnl the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
dnl MA 02110-1301, USA.
include(`../config.m4')
C cycles/limb
C POWER3/PPC630: 18
C POWER4/PPC970: 8
C INPUT PARAMETERS
C rp r3
C up r4
C n r5
ASM_START()
PROLOGUE(mpn_sqr_diagonal)
ifdef(`HAVE_ABI_mode32',
` rldicl r5, r5, 0, 32') C zero extend n
mtctr r5
ld r0, 0(r4)
bdz L(end)
ALIGN(16)
L(top): mulld r5, r0, r0
mulhdu r6, r0, r0
ld r0, 8(r4)
addi r4, r4, 8
std r5, 0(r3)
std r6, 8(r3)
addi r3, r3, 16
bdnz L(top)
L(end): mulld r5, r0, r0
mulhdu r6, r0, r0
std r5, 0(r3)
std r6, 8(r3)
blr
EPILOGUE()
|
