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dnl Alpha mpn_sqr_diagonal.
dnl Copyright 2001, 2002 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
dnl to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
dnl Boston, MA 02110-1301, USA.
include(`../config.m4')
C cycles/limb
C EV4: 42
C EV5: 18
C EV6: 3.45
C INPUT PARAMETERS
C rp r16
C up r17
C n r18
ASM_START()
PROLOGUE(mpn_sqr_diagonal)
ldq r2,0(r17) C r2 = s1_limb
lda r18,-2(r18) C size -= 2
mulq r2,r2,r3 C r3 = prod_low
umulh r2,r2,r4 C r4 = prod_high
blt r18,$Lend1 C jump if size was == 1
ldq r2,8(r17) C r2 = s1_limb
beq r18,$Lend2 C jump if size was == 2
ALIGN(8)
$Loop: stq r3,0(r16)
mulq r2,r2,r3 C r3 = prod_low
lda r18,-1(r18) C size--
stq r4,8(r16)
umulh r2,r2,r4 C r4 = cy_limb
ldq r2,16(r17) C r2 = s1_limb
lda r17,8(r17) C s1_ptr++
lda r16,16(r16) C res_ptr++
bne r18,$Loop
$Lend2: stq r3,0(r16)
mulq r2,r2,r3 C r3 = prod_low
stq r4,8(r16)
umulh r2,r2,r4 C r4 = cy_limb
stq r3,16(r16)
stq r4,24(r16)
ret r31,(r26),1
$Lend1: stq r3,0(r16)
stq r4,8(r16)
ret r31,(r26),1
EPILOGUE(mpn_sqr_diagonal)
ASM_END()
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