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Viewing changes to grub-core/lib/libgcrypt/mpi/pa7100/mpih-rshift.S

  • Committer: Package Import Robot
  • Author(s): Colin Watson
  • Date: 2014-01-16 15:18:04 UTC
  • mfrom: (17.6.38 experimental)
  • Revision ID: package-import@ubuntu.com-20140116151804-3foouk7fpqcq3sxx
Tags: 2.02~beta2-2
* Convert patch handling to git-dpm.
* Add bi-endian support to ELF parser (Tomohiro B Berry).
* Adjust restore_mkdevicemap.patch to mark get_kfreebsd_version as static,
  to appease "gcc -Werror=missing-prototypes".
* Cherry-pick from upstream:
  - Change grub-macbless' manual page section to 8.
* Install grub-glue-efi, grub-macbless, grub-render-label, and
  grub-syslinux2cfg.
* grub-shell: Pass -no-pad to xorriso when building floppy images.

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grub-core/lib/libgcrypt/mpi/pa7100/mpih-rshift.S
 
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/* hppa   rshift
 
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 *        optimized for the PA7100, where it runs at 3.25 cycles/limb
 
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 *
 
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 *      Copyright (C) 1992, 1994, 1998,
 
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 *                    2001, 2002 Free Software Foundation, Inc.
 
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 *
 
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 * This file is part of Libgcrypt.
 
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 *
 
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 * Libgcrypt is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU Lesser General Public License as
 
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 * published by the Free Software Foundation; either version 2.1 of
 
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 * the License, or (at your option) any later version.
 
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 *
 
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 * Libgcrypt is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU Lesser General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU Lesser General Public
 
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 * License along with this program; if not, write to the Free Software
 
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 
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 */
 
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/*******************
 
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 * mpi_limb_t
 
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 * _gcry_mpih_rshift( mpi_ptr_t wp,       (gr26)
 
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 *                 mpi_ptr_t up,       (gr25)
 
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 *                 mpi_size_t usize,   (gr24)
 
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 *                 unsigned cnt)       (gr23)
 
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 */
 
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        .code
 
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        .export         _gcry_mpih_rshift
 
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        .label          _gcry_mpih_rshift
 
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        .proc
 
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        .callinfo       frame=64,no_calls
 
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        .entry
 
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        ldws,ma         4(0,%r25),%r22
 
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        mtsar           %r23
 
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        addib,=         -1,%r24,L$r004
 
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        vshd            %r22,%r0,%r28           ; compute carry out limb
 
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        ldws,ma         4(0,%r25),%r29
 
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        addib,<=        -5,%r24,L$rrest
 
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        vshd            %r29,%r22,%r20
 
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        .label  L$roop
 
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        ldws,ma         4(0,%r25),%r22
 
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        stws,ma         %r20,4(0,%r26)
 
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        vshd            %r22,%r29,%r20
 
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        ldws,ma         4(0,%r25),%r29
 
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        stws,ma         %r20,4(0,%r26)
 
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        vshd            %r29,%r22,%r20
 
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        ldws,ma         4(0,%r25),%r22
 
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        stws,ma         %r20,4(0,%r26)
 
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        vshd            %r22,%r29,%r20
 
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        ldws,ma         4(0,%r25),%r29
 
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        stws,ma         %r20,4(0,%r26)
 
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        addib,>         -4,%r24,L$roop
 
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        vshd            %r29,%r22,%r20
 
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        .label  L$rrest
 
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        addib,=         4,%r24,L$rend1
 
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        nop
 
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        .label  L$eroop
 
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        ldws,ma         4(0,%r25),%r22
 
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        stws,ma         %r20,4(0,%r26)
 
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        addib,<=        -1,%r24,L$rend2
 
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        vshd            %r22,%r29,%r20
 
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        ldws,ma         4(0,%r25),%r29
 
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        stws,ma         %r20,4(0,%r26)
 
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        addib,>         -1,%r24,L$eroop
 
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        vshd            %r29,%r22,%r20
 
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        .label  L$rend1
 
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        stws,ma         %r20,4(0,%r26)
 
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        vshd            %r0,%r29,%r20
 
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        bv              0(%r2)
 
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        stw             %r20,0(0,%r26)
 
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        .label  L$rend2
 
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        stws,ma         %r20,4(0,%r26)
 
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        .label  L$r004
 
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        vshd            %r0,%r22,%r20
 
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        bv              0(%r2)
 
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        stw             %r20,0(0,%r26)
 
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        .exit
 
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        .procend
 
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