Annotation of OpenXM_contrib/gmp/mpn/pa32/rshift.asm, Revision 1.1
1.1 ! ohara 1: dnl HP-PA mpn_rshift -- Shift a number right.
! 2:
! 3: dnl Copyright 1992, 1994, 2000, 2001, 2002 Free Software Foundation, Inc.
! 4:
! 5: dnl This file is part of the GNU MP Library.
! 6:
! 7: dnl The GNU MP Library is free software; you can redistribute it and/or modify
! 8: dnl it under the terms of the GNU Lesser General Public License as published
! 9: dnl by the Free Software Foundation; either version 2.1 of the License, or (at
! 10: dnl your option) any later version.
! 11:
! 12: dnl The GNU MP Library is distributed in the hope that it will be useful, but
! 13: dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 14: dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
! 15: dnl License for more details.
! 16:
! 17: dnl You should have received a copy of the GNU Lesser General Public License
! 18: dnl along with the GNU MP Library; see the file COPYING.LIB. If not, write to
! 19: dnl the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
! 20: dnl MA 02111-1307, USA.
! 21:
! 22: include(`../config.m4')
! 23:
! 24: C INPUT PARAMETERS
! 25: C res_ptr gr26
! 26: C s_ptr gr25
! 27: C size gr24
! 28: C cnt gr23
! 29:
! 30: ASM_START()
! 31: PROLOGUE(mpn_rshift)
! 32: ldws,ma 4(0,%r25),%r22
! 33: mtsar %r23
! 34: addib,= -1,%r24,L(0004)
! 35: vshd %r22,%r0,%r28 C compute carry out limb
! 36: ldws,ma 4(0,%r25),%r29
! 37: addib,= -1,%r24,L(0002)
! 38: vshd %r29,%r22,%r20
! 39:
! 40: .label L(loop)
! 41: ldws,ma 4(0,%r25),%r22
! 42: stws,ma %r20,4(0,%r26)
! 43: addib,= -1,%r24,L(0003)
! 44: vshd %r22,%r29,%r20
! 45: ldws,ma 4(0,%r25),%r29
! 46: stws,ma %r20,4(0,%r26)
! 47: addib,<> -1,%r24,L(loop)
! 48: vshd %r29,%r22,%r20
! 49:
! 50: .label L(0002)
! 51: stws,ma %r20,4(0,%r26)
! 52: vshd %r0,%r29,%r20
! 53: bv 0(%r2)
! 54: stw %r20,0(0,%r26)
! 55:
! 56: .label L(0003)
! 57: stws,ma %r20,4(0,%r26)
! 58:
! 59: .label L(0004)
! 60: vshd %r0,%r22,%r20
! 61: bv 0(%r2)
! 62: stw %r20,0(0,%r26)
! 63: EPILOGUE()
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