2012-11-25 17:13:44 -05:00
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; Copyright 2000, 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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global ___gmpn_mod_34lsub1
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%ifdef DLL
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export ___gmpn_mod_34lsub1
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%endif
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align 16
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___gmpn_mod_34lsub1:
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mov ecx,[8+esp]
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mov edx,[4+esp]
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mov eax,[edx]
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sub ecx,2
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ja three_or_more
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jne one
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mov edx,[4+edx]
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mov ecx,eax
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shr eax,24
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and ecx,0x00FFFFFF
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add eax,ecx
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mov ecx,edx
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shl edx,8
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shr ecx,16
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add eax,ecx
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and edx,0x00FFFF00
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add eax,edx
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one:ret
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three_or_more:
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pxor mm0,mm0
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pxor mm1,mm1
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pxor mm2,mm2
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pcmpeqd mm7,mm7
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psrlq mm7,32
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pcmpeqd mm6,mm6
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psrlq mm6,40
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top:
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movd mm3,[edx]
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paddq mm0,mm3
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movd mm3,[4+edx]
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paddq mm1,mm3
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movd mm3,[8+edx]
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paddq mm2,mm3
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add edx,12
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sub ecx,3
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ja top
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add ecx,1
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js combine
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movd mm3,[edx]
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paddq mm0,mm3
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jz combine
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movd mm3,[4+edx]
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paddq mm1,mm3
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combine:
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movq mm3,mm7
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pand mm3,mm0
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movq mm4,mm7
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pand mm4,mm1
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movq mm5,mm7
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pand mm5,mm2
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psrlq mm0,32
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psrlq mm1,32
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psrlq mm2,32
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paddq mm4,mm0
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paddq mm5,mm1
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paddq mm3,mm2
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psllq mm4,8
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psllq mm5,16
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paddq mm3,mm4
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paddq mm3,mm5
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pand mm6,mm3
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psrlq mm3,24
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paddq mm3,mm6
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movd eax,mm3
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emms
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ret
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end
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