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# VAX __gmpn_rshift -- right shift.
# Copyright (C) 1999, 2000 Free Software Foundation, Inc.
# This file is part of the GNU MP Library.
# The GNU MP Library is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or (at your
# option) any later version.
# The GNU MP Library is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
# License for more details.
# You should have received a copy of the GNU Lesser General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
# MA 02111-1307, USA.
# INPUT PARAMETERS
# rptr (sp + 4)
# sptr (sp + 8)
# size (sp + 12)
# cnt (sp + 16)
# r0=retval r1=size r2,r3=itmp r4,r5=otmp call-used registers
# r6=sptr r7=rptr r8=cnt r9 r10 r11 call-saved registers
.text
.align 1
.globl ___gmpn_rshift
___gmpn_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 Lend
Loop: movl (r6)+,r3
ashq r8,r2,r4
movl r5,(r7)+
movl r3,r2
jsobgtr r1,Loop
Lend: clrl r3
ashq r8,r2,r4
movl r5,(r7)
ret
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