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Annotation of OpenXM_contrib/gmp/mpn/ns32k/addmul_1.s, Revision 1.1.1.2

1.1.1.2 ! maekawa     1: # ns32000 __gmpn_addmul_1 -- Multiply a limb vector with a limb and add
1.1       maekawa     2: # the result to a second limb vector.
                      3:
1.1.1.2 ! maekawa     4: # Copyright (C) 1992, 1994, 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:
                     24:        .align 1
1.1.1.2 ! maekawa    25: .globl ___gmpn_addmul_1
        !            26: ___gmpn_addmul_1:
1.1       maekawa    27:        save    [r3,r4,r5,r6,r7]
                     28:        negd    24(sp),r4
                     29:        movd    r4,r0
                     30:        lshd    2,r0
                     31:        movd    20(sp),r5
                     32:        subd    r0,r5                   # r5 -> to end of S1
                     33:        movd    16(sp),r6
                     34:        subd    r0,r6                   # r6 -> to end of RES
                     35:        subd    r0,r0                   # r0 = 0, cy = 0
                     36:        movd    28(sp),r7               # r7 = s2_limb
                     37:
                     38: Loop:  movd    r5[r4:d],r2
                     39:        meid    r7,r2                   # r2 = low_prod, r3 = high_prod
                     40:        addcd   r0,r2                   # r2 = low_prod + cy_limb
                     41:        movd    r3,r0                   # r0 = new cy_limb
                     42:        addcd   0,r0
                     43:        addd    r2,r6[r4:d]
                     44:        acbd    1,r4,Loop
                     45:
                     46:        addcd   0,r0
                     47:        restore [r7,r6,r5,r4,r3]
                     48:        ret     0