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Annotation of OpenXM_contrib/gmp/mpn/pa32/hppa2_0/sqr_diagonal.asm, Revision 1.1

1.1     ! ohara       1: dnl  HP-PA 32-bit mpn_sqr_diagonal optimized for the PA8x00.
        !             2:
        !             3: dnl  Copyright 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 This code runs at 6 cycles/limb on the PA7100 and 2 cycles/limb on PA8x00.
        !            25: C The 2-way unrolling is actually not helping the PA7100.
        !            26:
        !            27: C INPUT PARAMETERS
        !            28: define(`rp',`%r26')
        !            29: define(`up',`%r25')
        !            30: define(`n',`%r24')
        !            31:
        !            32: ASM_START()
        !            33: PROLOGUE(mpn_sqr_diagonal)
        !            34:
        !            35:        fldws,ma        4(up),%fr4r
        !            36:        addib,=         -1,n,L(end1)
        !            37:        ldo             4(rp),rp
        !            38:
        !            39:        fldws,ma        4(up),%fr6r
        !            40:        addib,=         -1,n,L(end2)
        !            41:        xmpyu           %fr4r,%fr4r,%fr5
        !            42:
        !            43:        fldws,ma        4(up),%fr4r
        !            44:        addib,=         -1,n,L(end3)
        !            45:        xmpyu           %fr6r,%fr6r,%fr7
        !            46:
        !            47:
        !            48:        .label  L(loop)
        !            49:        fldws,ma        4(up),%fr6r
        !            50:        fstws           %fr5r,-4(rp)
        !            51:        fstws,ma        %fr5l,8(rp)
        !            52:        addib,=         -1,n,L(exite)
        !            53:        xmpyu           %fr4r,%fr4r,%fr5
        !            54:        fldws,ma        4(up),%fr4r
        !            55:        fstws           %fr7r,-4(rp)
        !            56:        fstws,ma        %fr7l,8(rp)
        !            57:        addib,<>        -1,n,L(loop)
        !            58:        xmpyu           %fr6r,%fr6r,%fr7
        !            59:
        !            60:        .label  L(exito)
        !            61:        fstws           %fr5r,-4(rp)
        !            62:        fstws           %fr5l,0(rp)
        !            63:        xmpyu           %fr4r,%fr4r,%fr5
        !            64:        fstws           %fr7r,4(rp)
        !            65:        fstws           %fr7l,8(rp)
        !            66:        fstws,mb        %fr5r,12(rp)
        !            67:        bv              0(%r2)
        !            68:        fstws           %fr5l,4(rp)
        !            69:
        !            70:        .label  L(exite)
        !            71:        fstws           %fr7r,-4(rp)
        !            72:        fstws           %fr7l,0(rp)
        !            73:        xmpyu           %fr6r,%fr6r,%fr7
        !            74:        fstws           %fr5r,4(rp)
        !            75:        fstws           %fr5l,8(rp)
        !            76:        fstws,mb        %fr7r,12(rp)
        !            77:        bv              0(%r2)
        !            78:        fstws           %fr7l,4(rp)
        !            79:
        !            80:        .label  L(end1)
        !            81:        xmpyu           %fr4r,%fr4r,%fr5
        !            82:        fstws           %fr5r,-4(rp)
        !            83:        bv              0(%r2)
        !            84:        fstws,ma        %fr5l,8(rp)
        !            85:
        !            86:        .label  L(end2)
        !            87:        xmpyu           %fr6r,%fr6r,%fr7
        !            88:        fstws           %fr5r,-4(rp)
        !            89:        fstws           %fr5l,0(rp)
        !            90:        fstws           %fr7r,4(rp)
        !            91:        bv              0(%r2)
        !            92:        fstws           %fr7l,8(rp)
        !            93:
        !            94:        .label  L(end3)
        !            95:        fstws           %fr5r,-4(rp)
        !            96:        fstws           %fr5l,0(rp)
        !            97:        xmpyu           %fr4r,%fr4r,%fr5
        !            98:        fstws           %fr7r,4(rp)
        !            99:        fstws           %fr7l,8(rp)
        !           100:        fstws,mb        %fr5r,12(rp)
        !           101:        bv              0(%r2)
        !           102:        fstws           %fr5l,4(rp)
        !           103: EPILOGUE(mpn_sqr_diagonal)