52 lines
1.6 KiB
NASM
52 lines
1.6 KiB
NASM
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dnl HP-PA 1.1 32-bit mpn_sqr_diagonal.
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dnl Copyright 2001, 2002 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 This code runs at 6 cycles/limb on the PA7100 and 2.5 cycles/limb on PA8x00.
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C 2-way unrolling wouldn't help the PA7100; it could however bring times down
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C to 2.0 cycles/limb for the PA8x00.
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C INPUT PARAMETERS
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define(`rp',`%r26')
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define(`up',`%r25')
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define(`n',`%r24')
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ASM_START()
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PROLOGUE(mpn_sqr_diagonal)
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ldo 4(rp),rp
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fldws,ma 4(up),%fr4r
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addib,= -1,n,L(exit)
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xmpyu %fr4r,%fr4r,%fr5
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LDEF(loop)
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fldws,ma 4(up),%fr4r
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fstws %fr5r,-4(rp)
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fstws,ma %fr5l,8(rp)
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addib,<> -1,n,L(loop)
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xmpyu %fr4r,%fr4r,%fr5
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LDEF(exit)
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fstws %fr5r,-4(rp)
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bv 0(%r2)
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fstws %fr5l,0(rp)
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EPILOGUE(mpn_sqr_diagonal)
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