dnl VAX mpn_rshift -- right shift.
dnl Copyright 1999-2001, 2012 Free Software Foundation,
Inc.
dnl
This file is part of the GNU MP Library.
dnl
dnl The GNU MP Library is free software
; you can redistribute it and/or modify
dnl it under the terms of either:
dnl
dnl * the GNU Lesser General
Public License as published by the Free
dnl Software Foundation
; either version 3 of the License, or (at your
dnl
option) any later
version.
dnl
dnl
or
dnl
dnl * the GNU General
Public License as published by the Free Software
dnl Foundation
; either version 2 of the License, or (at your option) any
dnl later
version.
dnl
dnl
or both in parallel, as here.
dnl
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 General
Public License
dnl
for more details.
dnl
dnl You should have received copies of the GNU General
Public License
and the
dnl GNU Lesser General
Public License along with the GNU MP Library.
If not,
dnl see
https://www.gnu.org/licenses/.
include(`../config.m4
')
ASM_START()
PROLOGUE(mpn_rshift)
.
word 0x1c0
movl 4(ap), r7
movl 8(ap), r6
movl 12(ap), r1
movl 16(ap), r8
movl (r6)+, r2
subl3 r8, $32, r8
ashl r8, r2, r0
decl r1
jeql L(
end)
L(top): movl (r6)+, r3
ashq r8, r2, r4
movl r5, (r7)+
movl r3, r2
sobgtr r1, L(top)
L(
end): clrl r3
ashq r8, r2, r4
movl r5, (r7)
ret
EPILOGUE()