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Annotation of OpenXM_contrib/gmp/mpn/pyr/mul_1.s, Revision 1.1.1.1

1.1       maekawa     1: # Pyramid __mpn_mul_1 -- Multiply a limb vector with a limb and store
                      2: # the result in a second limb vector.
                      3:
                      4: # Copyright (C) 1995 Free Software Foundation, Inc.
                      5:
                      6: # This file is part of the GNU MP Library.
                      7:
                      8: # The GNU MP Library is free software; you can redistribute it and/or modify
                      9: # it under the terms of the GNU Library General Public License as published by
                     10: # the Free Software Foundation; either version 2 of the License, or (at your
                     11: # option) any later version.
                     12:
                     13: # The GNU MP Library is distributed in the hope that it will be useful, but
                     14: # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     15: # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
                     16: # License for more details.
                     17:
                     18: # You should have received a copy of the GNU Library General Public License
                     19: # along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
                     20: # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
                     21: # MA 02111-1307, USA.
                     22:
                     23: .text
                     24:        .align  2
                     25: .globl ___mpn_mul_1
                     26: ___mpn_mul_1:
                     27:        mova    (pr0)[pr2*4],pr0
                     28:        mova    (pr1)[pr2*4],pr1
                     29:        mnegw   pr2,pr2
                     30:        movw    $0,tr3
                     31:
                     32: Loop:  movw    (pr1)[pr2*4],tr1
                     33:        uemul   pr3,tr0
                     34:        addw    tr3,tr1
                     35:        movw    $0,tr3
                     36:        addwc   tr0,tr3
                     37:        movw    tr1,(pr0)[pr2*4]
                     38:        addw    $1,pr2
                     39:        bne     Loop
                     40:
                     41:        movw    tr3,pr0
                     42:        ret