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

1.1       ohara       1: dnl PowerPC-64 umul_ppmm -- support for longlong.h
                      2:
                      3: dnl Copyright 2000, 2001 Free Software Foundation, Inc.
                      4: dnl
                      5: dnl This file is part of the GNU MP Library.
                      6: dnl
                      7: dnl The GNU MP Library is free software; you can redistribute it and/or
                      8: dnl modify it under the terms of the GNU Lesser General Public License as
                      9: dnl published by the Free Software Foundation; either version 2.1 of the
                     10: dnl License, or (at your option) any later version.
                     11: dnl
                     12: dnl The GNU MP Library is distributed in the hope that it will be useful,
                     13: dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
                     14: dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser
                     15: dnl General Public License for more details.
                     16: dnl
                     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
                     19: dnl to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
                     20: dnl Boston, MA 02111-1307, USA.
                     21:
                     22: include(`../config.m4')
                     23:
                     24:
                     25: C mp_limb_t mpn_umul_ppmm (mp_limb_t *lowptr, mp_limb_t m1, mp_limb_t m2);
                     26: C
                     27:
                     28: ASM_START()
                     29: PROLOGUE(mpn_umul_ppmm)
                     30:
                     31:        C r3    lowptr
                     32:        C r4    m1
                     33:        C r5    m2
                     34:
                     35:        mulld   r0, r4, r5
                     36:        mulhdu  r9, r4, r5
                     37:        std     r0, 0(r3)
                     38:        mr      r3, r9
                     39:        blr
                     40:
                     41: EPILOGUE(mpn_umul_ppmm)