48248cda46
2. longlong.h rearrangement for Intel compiler 3. MSVC additions in test code 4. GMP 4.2.1 bug fixes 5. Intel format assembly code
108 lines
2.7 KiB
NASM
108 lines
2.7 KiB
NASM
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; Copyright 1992, 1994, 1997, 1998, 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 0
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section .text
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global ___gmpn_mul_1
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%ifdef DLL
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export ___gmpn_mul_1
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%endif
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align 8
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___gmpn_mul_1:
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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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%assign frame frame+16
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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 Lend0
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Loop0:
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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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mov [edi],eax
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mov 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 Loop0
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Lend0:
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mov ecx,[PARAM_SIZE]
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shr ecx,2
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jz Lend
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align 8
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Lop:
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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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mov [edi],ebx
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add 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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mov [4+edi],ebp
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add 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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mov [8+edi],ebx
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add ebp,eax ; new lo + cylimb
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mov ebx,0
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adc ebx,edx
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mov [12+edi],ebp
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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 Lop
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Lend:
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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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end
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