2008-06-25 03:33:36 -04:00
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; Copyright 2001, 2002 Free Software Foundation, Inc.
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;
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; This file is part of the GNU MP Library.
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;
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; The GNU MP Library is free software; you can redistribute it and/or
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; modify it under the terms of the GNU Lesser General Public License as
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; published by the Free Software Foundation; either version 2.1 of the
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; License, or (at your option) any later version.
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;
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; The GNU MP Library is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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; Lesser General Public License for more details.
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;
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; You should have received a copy of the GNU Lesser General Public
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; License along with the GNU MP Library; see the file COPYING.LIB. If
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; not, write to the Free Software Foundation, Inc., 59 Temple Place -
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; Suite 330, Boston, MA 02111-1307, USA.
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;
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; Translation of AT&T syntax code by Brian Gladman
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section .text
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extern ___gmp_modlimb_invert_table
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global ___gmpn_modexact_1_odd
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global ___gmpn_modexact_1c_odd
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%ifdef DLL
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export ___gmpn_modexact_1_odd
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export ___gmpn_modexact_1c_odd
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%endif
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align 16
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___gmpn_modexact_1c_odd:
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movd mm1,[16+esp]
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jmp start_1c
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align 16
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___gmpn_modexact_1_odd:
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pxor mm1,mm1
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start_1c:
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mov eax,[12+esp]
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movd mm7,[12+esp]
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shr eax,1
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and eax,127
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movzx eax,byte [___gmp_modlimb_invert_table+eax]
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movd mm6,eax
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movd mm0,eax
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pmuludq mm6,mm6
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pmuludq mm6,mm7
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paddd mm0,mm0
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psubd mm0,mm6
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pxor mm6,mm6
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paddd mm6,mm0
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pmuludq mm0,mm0
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pmuludq mm0,mm7
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paddd mm6,mm6
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mov eax,[4+esp]
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mov ecx,[8+esp]
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psubd mm6,mm0
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pxor mm0,mm0
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top:
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movd mm2,[eax]
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add eax,4
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psubq mm2,mm0
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psubq mm2,mm1
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movq mm0,mm2
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psrlq mm0,63
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pmuludq mm2,mm6
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movq mm1,mm7
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pmuludq mm1,mm2
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psrlq mm1,32
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sub ecx,1
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jnz top
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done:
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paddq mm0,mm1
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movd eax,mm0
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emms
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ret
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end
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