113 lines
2.7 KiB
NASM
113 lines
2.7 KiB
NASM
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; Copyright 1992, 1994, 1997, 1999, 2000, 2001, 2002 Free Software
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; 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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%include "x86i.inc"
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%define PARAM_MULTIPLIER esp+frame+16
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%define PARAM_SIZE esp+frame+12
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%define PARAM_SRC esp+frame+8
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%define PARAM_DST esp+frame+4
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%assign frame 16
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%macro mac_sub 3
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global %1%3
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%ifdef DLL
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export %1%3
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%endif
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align 8
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%1%3:
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push edi
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push esi
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push ebx
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push ebp
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mov edi,[PARAM_DST]
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mov esi,[PARAM_SRC]
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mov ecx,[PARAM_SIZE]
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xor ebx,ebx
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and ecx,3
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jz %%2
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%%1:
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mov eax,[esi]
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mul dword [PARAM_MULTIPLIER]
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lea esi,[4+esi]
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add eax,ebx
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mov ebx,0
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adc edx,ebx
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%2 [edi],eax
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adc ebx,edx ; propagate carry into cylimb
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lea edi,[4+edi]
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dec ecx
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jnz %%1
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%%2:
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mov ecx,[PARAM_SIZE]
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shr ecx,2
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jz %%4
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align 8
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%%3:
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mov eax,[esi]
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mul dword [PARAM_MULTIPLIER]
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add ebx,eax
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mov ebp,0
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adc ebp,edx
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mov eax,[4+esi]
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mul dword [PARAM_MULTIPLIER]
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%2 [edi],ebx
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adc ebp,eax ; new lo + cylimb
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mov ebx,0
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adc ebx,edx
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mov eax,[8+esi]
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mul dword [PARAM_MULTIPLIER]
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%2 [4+edi],ebp
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adc ebx,eax ; new lo + cylimb
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mov ebp,0
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adc ebp,edx
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mov eax,[12+esi]
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mul dword [PARAM_MULTIPLIER]
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%2 [8+edi],ebx
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adc ebp,eax ; new lo + cylimb
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mov ebx,0
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adc ebx,edx
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%2 [12+edi],ebp
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adc ebx,0 ; propagate carry into cylimb
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lea esi,[16+esi]
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lea edi,[16+edi]
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dec ecx
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jnz %%3
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%%4:
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mov eax,ebx
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pop ebp
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pop ebx
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pop esi
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pop edi
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ret
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%endmacro
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section .text
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; global ___gmpn_submul_1
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mac_sub ___g,sub,mpn_submul_1
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end
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