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f133d007f9
Old version was from 2012-05-06, 6.1.2 is from 2016-12-16 A lot of support for newer processors and speedups since then See gmp/NEWS for details
58 lines
1.5 KiB
NASM
58 lines
1.5 KiB
NASM
dnl VAX mpn_rshift -- right shift.
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dnl Copyright 1999-2001, 2012 Free Software Foundation, Inc.
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dnl This file is part of the GNU MP Library.
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dnl
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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 either:
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dnl
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dnl * the GNU Lesser General Public License as published by the Free
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dnl Software Foundation; either version 3 of the License, or (at your
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dnl option) any later version.
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dnl
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dnl or
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dnl
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dnl * the GNU General Public License as published by the Free Software
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dnl Foundation; either version 2 of the License, or (at your option) any
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dnl later version.
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dnl
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dnl or both in parallel, as here.
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dnl
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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 General Public License
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dnl for more details.
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dnl
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dnl You should have received copies of the GNU General Public License and the
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dnl GNU Lesser General Public License along with the GNU MP Library. If not,
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dnl see https://www.gnu.org/licenses/.
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include(`../config.m4')
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ASM_START()
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PROLOGUE(mpn_rshift)
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.word 0x1c0
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movl 4(ap), r7
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movl 8(ap), r6
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movl 12(ap), r1
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movl 16(ap), r8
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movl (r6)+, r2
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subl3 r8, $32, r8
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ashl r8, r2, r0
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decl r1
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jeql L(end)
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L(top): movl (r6)+, r3
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ashq r8, r2, r4
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movl r5, (r7)+
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movl r3, r2
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sobgtr r1, L(top)
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L(end): clrl r3
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ashq r8, r2, r4
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movl r5, (r7)
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ret
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EPILOGUE()
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