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dnl PowerPC-64 mpn_sqr_diagonal.
dnl Copyright 2001, 2002, 2003, 2005, 2006 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 3 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. If not, see http://www.gnu.org/licenses/.
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()
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