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Annotation of OpenXM_contrib/gmp/mpn/powerpc64/addmul_1.asm, Revision 1.1.1.1

1.1       maekawa     1: # PowerPC-64 mpn_addmul_1 -- Multiply a limb vector with a limb and add
                      2: # the result to a second limb vector.
                      3:
                      4: # Copyright (C) 1999, 2000 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 Lesser General Public License as published by
                     10: # the Free Software Foundation; either version 2.1 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 Lesser General Public
                     16: # License for more details.
                     17:
                     18: # You should have received a copy of the GNU Lesser 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:
                     24: # INPUT PARAMETERS
                     25: # res_ptr      r3
                     26: # s1_ptr       r4
                     27: # size         r5
                     28: # s2_limb      r6
                     29:
                     30: include(`../config.m4')
                     31:
                     32: ASM_START()
                     33: PROLOGUE(mpn_addmul_1)
                     34:        mtctr   5
                     35:        li      9,0             # cy_limb = 0
                     36:        addic   0,0,0
                     37:        cal     3,-8(3)
                     38:        cal     4,-8(4)
                     39: .Loop:
                     40:        ldu     0,8(4)
                     41:        ld      10,8(3)
                     42:        mulld   7,0,6
                     43:        adde    7,7,9
                     44:        mulhdu  9,0,6
                     45:        addze   9,9
                     46:        addc    7,7,10
                     47:        stdu    7,8(3)
                     48:        bdnz    .Loop
                     49:
                     50:        addze   3,9
                     51:        blr
                     52: EPILOGUE(mpn_addmul_1)

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