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Annotation of OpenXM_contrib/gmp/mpn/pyr/mul_1.s, Revision 1.1.1.3

1.1.1.2   maekawa     1: # Pyramid __gmpn_mul_1 -- Multiply a limb vector with a limb and store
1.1       maekawa     2: # the result in a second limb vector.
                      3:
1.1.1.3 ! ohara       4: # Copyright 1995, 2000 Free Software Foundation, Inc.
1.1       maekawa     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
1.1.1.2   maekawa     9: # it under the terms of the GNU Lesser General Public License as published by
                     10: # the Free Software Foundation; either version 2.1 of the License, or (at your
1.1       maekawa    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
1.1.1.2   maekawa    15: # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
1.1       maekawa    16: # License for more details.
                     17:
1.1.1.2   maekawa    18: # You should have received a copy of the GNU Lesser General Public License
1.1       maekawa    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
1.1.1.2   maekawa    25: .globl ___gmpn_mul_1
                     26: ___gmpn_mul_1:
1.1       maekawa    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