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Annotation of OpenXM_contrib/gmp/mpn/pa32/lshift.asm, Revision 1.1

1.1     ! ohara       1: dnl  HP-PA  mpn_lshift -- Shift a number left.
        !             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_lshift)
        !            32:        sh2add          %r24,%r25,%r25
        !            33:        sh2add          %r24,%r26,%r26
        !            34:        ldws,mb         -4(0,%r25),%r22
        !            35:        subi            32,%r23,%r1
        !            36:        mtsar           %r1
        !            37:        addib,=         -1,%r24,L(0004)
        !            38:        vshd            %r0,%r22,%r28           C compute carry out limb
        !            39:        ldws,mb         -4(0,%r25),%r29
        !            40:        addib,=         -1,%r24,L(0002)
        !            41:        vshd            %r22,%r29,%r20
        !            42:
        !            43:        .label  L(loop)
        !            44:        ldws,mb         -4(0,%r25),%r22
        !            45:        stws,mb         %r20,-4(0,%r26)
        !            46:        addib,=         -1,%r24,L(0003)
        !            47:        vshd            %r29,%r22,%r20
        !            48:        ldws,mb         -4(0,%r25),%r29
        !            49:        stws,mb         %r20,-4(0,%r26)
        !            50:        addib,<>        -1,%r24,L(loop)
        !            51:        vshd            %r22,%r29,%r20
        !            52:
        !            53:        .label  L(0002)
        !            54:        stws,mb         %r20,-4(0,%r26)
        !            55:        vshd            %r29,%r0,%r20
        !            56:        bv              0(%r2)
        !            57:        stw             %r20,-4(0,%r26)
        !            58:
        !            59:        .label  L(0003)
        !            60:        stws,mb         %r20,-4(0,%r26)
        !            61:
        !            62:        .label  L(0004)
        !            63:        vshd            %r22,%r0,%r20
        !            64:        bv              0(%r2)
        !            65:        stw             %r20,-4(0,%r26)
        !            66: EPILOGUE()