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Annotation of OpenXM_contrib/gmp/mpn/pa32/hppa1_1/sqr_diagonal.asm, Revision 1.1.1.1

1.1       ohara       1: dnl  HP-PA 1.1 32-bit mpn_sqr_diagonal.
                      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 2.5 cycles/limb on PA8x00.
                     25: C 2-way unrolling wouldn't help the PA7100; it could however bring times down
                     26: C to 2.0 cycles/limb for the PA8x00.
                     27:
                     28: C INPUT PARAMETERS
                     29: define(`rp',`%r26')
                     30: define(`up',`%r25')
                     31: define(`n',`%r24')
                     32:
                     33: ASM_START()
                     34: PROLOGUE(mpn_sqr_diagonal)
                     35:        ldo             4(rp),rp
                     36:        fldws,ma        4(up),%fr4r
                     37:        addib,=         -1,n,L(exit)
                     38:        xmpyu           %fr4r,%fr4r,%fr5
                     39:
                     40:        .label  L(loop)
                     41:        fldws,ma        4(up),%fr4r
                     42:        fstws           %fr5r,-4(rp)
                     43:        fstws,ma        %fr5l,8(rp)
                     44:        addib,<>        -1,n,L(loop)
                     45:        xmpyu           %fr4r,%fr4r,%fr5
                     46:
                     47:        .label  L(exit)
                     48:        fstws           %fr5r,-4(rp)
                     49:        bv              0(%r2)
                     50:        fstws           %fr5l,0(rp)
                     51: EPILOGUE(mpn_sqr_diagonal)