58 lines
1.4 KiB
NASM
58 lines
1.4 KiB
NASM
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dnl PowerPC-64 mpn_sqr_diagonal.
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dnl Copyright 2001, 2002, 2003, 2005, 2006 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 POWER3/PPC630: 18
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C POWER4/PPC970: 8
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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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ifdef(`HAVE_ABI_mode32',
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` rldicl r5, r5, 0, 32') C zero extend n
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mtctr r5
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ld r0, 0(r4)
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bdz L(end)
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ALIGN(16)
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L(top): mulld r5, r0, r0
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mulhdu r6, r0, r0
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ld r0, 8(r4)
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addi r4, r4, 8
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std r5, 0(r3)
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std r6, 8(r3)
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addi r3, r3, 16
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bdnz L(top)
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L(end): mulld r5, r0, r0
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mulhdu r6, r0, r0
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std r5, 0(r3)
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std r6, 8(r3)
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blr
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EPILOGUE()
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