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dnl PowerPC-32 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 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 603e: ?
C 604e: 4.0
C 75x (G3): 10.5
C 7400,7410 (G4): 10.5
C 744x,745x (G4+): 4.0
C power4/ppc970: 8.6
C power5: 7.0
C INPUT PARAMETERS
C rp r3
C up r4
C n r5
ASM_START()
PROLOGUE(mpn_sqr_diagonal)
lwz r6,0(r4)
mtctr r5
addi r3,r3,-4
bdz L(end1)
lwzu r7,4(r4)
mullw r9,r6,r6
mulhwu r11,r6,r6
bdz L(end2)
lwzu r6,4(r4)
mullw r8,r7,r7
mulhwu r10,r7,r7
bdz L(ende)
L(loop):
lwzu r7,4(r4)
stw r9,4(r3)
mullw r9,r6,r6
stwu r11,8(r3)
mulhwu r11,r6,r6
bdz L(endo)
lwzu r6,4(r4)
stw r8,4(r3)
mullw r8,r7,r7
stwu r10,8(r3)
mulhwu r10,r7,r7
bdnz L(loop)
L(ende):
stw r9,4(r3)
mullw r9,r6,r6
stw r11,8(r3)
mulhwu r11,r6,r6
stw r8,12(r3)
stw r10,16(r3)
stw r9,20(r3)
stw r11,24(r3)
blr
L(endo):
stw r8,4(r3)
mullw r8,r7,r7
stw r10,8(r3)
mulhwu r10,r7,r7
stw r9,12(r3)
stw r11,16(r3)
stw r8,20(r3)
stw r10,24(r3)
blr
L(end2):
mullw r8,r7,r7
stw r9,4(r3)
mulhwu r10,r7,r7
stw r11,8(r3)
stw r8,12(r3)
stw r10,16(r3)
blr
L(end1):
mullw r9,r6,r6
mulhwu r11,r6,r6
stw r9,4(r3)
stw r11,8(r3)
blr
EPILOGUE(mpn_sqr_diagonal)
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