106 lines
2.1 KiB
NASM
106 lines
2.1 KiB
NASM
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dnl PowerPC-32 mpn_sqr_diagonal.
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dnl Copyright 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
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dnl This file is part of the GNU MP Library.
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dnl The GNU MP Library is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU Lesser General Public License as published
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dnl by the Free Software Foundation; either version 2.1 of the License, or (at
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dnl your option) any later version.
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dnl The GNU MP Library is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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dnl License for more details.
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dnl You should have received a copy of the GNU Lesser General Public License
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dnl along with the GNU MP Library; see the file COPYING.LIB. If not, write
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dnl to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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dnl Boston, MA 02110-1301, USA.
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include(`../config.m4')
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C cycles/limb
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C 603e: ?
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C 604e: 4.0
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C 75x (G3): 10.5
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C 7400,7410 (G4): 10.5
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C 744x,745x (G4+): 4.0
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C power4/ppc970: 8.6
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C power5: 7.0
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C INPUT PARAMETERS
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C rp r3
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C up r4
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C n r5
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ASM_START()
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PROLOGUE(mpn_sqr_diagonal)
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lwz r6,0(r4)
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mtctr r5
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addi r3,r3,-4
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bdz L(end1)
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lwzu r7,4(r4)
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mullw r9,r6,r6
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mulhwu r11,r6,r6
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bdz L(end2)
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lwzu r6,4(r4)
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mullw r8,r7,r7
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mulhwu r10,r7,r7
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bdz L(ende)
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L(loop):
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lwzu r7,4(r4)
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stw r9,4(r3)
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mullw r9,r6,r6
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stwu r11,8(r3)
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mulhwu r11,r6,r6
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bdz L(endo)
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lwzu r6,4(r4)
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stw r8,4(r3)
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mullw r8,r7,r7
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stwu r10,8(r3)
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mulhwu r10,r7,r7
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bdnz L(loop)
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L(ende):
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stw r9,4(r3)
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mullw r9,r6,r6
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stw r11,8(r3)
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mulhwu r11,r6,r6
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stw r8,12(r3)
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stw r10,16(r3)
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stw r9,20(r3)
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stw r11,24(r3)
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blr
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L(endo):
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stw r8,4(r3)
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mullw r8,r7,r7
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stw r10,8(r3)
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mulhwu r10,r7,r7
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stw r9,12(r3)
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stw r11,16(r3)
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stw r8,20(r3)
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stw r10,24(r3)
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blr
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L(end2):
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mullw r8,r7,r7
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stw r9,4(r3)
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mulhwu r10,r7,r7
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stw r11,8(r3)
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stw r8,12(r3)
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stw r10,16(r3)
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blr
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L(end1):
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mullw r9,r6,r6
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mulhwu r11,r6,r6
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stw r9,4(r3)
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stw r11,8(r3)
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blr
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EPILOGUE(mpn_sqr_diagonal)
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