diff options
Diffstat (limited to 'contrib/syslinux/syslinux-4.03/core/lzo/lzo1x_d.ash')
| -rw-r--r-- | contrib/syslinux/syslinux-4.03/core/lzo/lzo1x_d.ash | 401 |
1 files changed, 0 insertions, 401 deletions
diff --git a/contrib/syslinux/syslinux-4.03/core/lzo/lzo1x_d.ash b/contrib/syslinux/syslinux-4.03/core/lzo/lzo1x_d.ash deleted file mode 100644 index aa13835..0000000 --- a/contrib/syslinux/syslinux-4.03/core/lzo/lzo1x_d.ash +++ /dev/null @@ -1,401 +0,0 @@ -/* lzo1x_d.ash -- assembler implementation of the LZO1X decompression algorithm - - This file is part of the LZO real-time data compression library. - - Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer - All Rights Reserved. - - The LZO library is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2 of - the License, or (at your option) any later version. - - The LZO library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with the LZO library; see the file COPYING. - If not, write to the Free Software Foundation, Inc., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - - Markus F.X.J. Oberhumer - <markus@oberhumer.com> - http://www.oberhumer.com/opensource/lzo/ - */ - - -#if !defined(LZO1X) && !defined(LZO1Y) -# define LZO1X -#endif - -#if defined(LZO_FAST) -# define NN 3 -#else -# define NN 0 -#endif - - -/*********************************************************************** -// init -************************************************************************/ - - xorl %eax,%eax - xorl %ebx,%ebx /* high bits 9-32 stay 0 */ - lodsb - cmpb $17,%al - jbe .L01 - subb $17-NN,%al -#if defined(LZO_FAST) - jmp .LFLR -#else - cmpb $4,%al - jae .LFLR -#if 1 - TEST_OP((%edi,%eax),%edx) - TEST_IP((%esi,%eax),%edx) - movl %eax,%ecx - jmp .LFLR2 -#else - jmp .LFLR3 -#endif -#endif - - -/*********************************************************************** -// literal run -************************************************************************/ - -0: addl N_255,%eax - TEST_IP(18(%esi,%eax),%edx) /* minimum */ -1: movb (%esi),%bl - incl %esi - orb %bl,%bl - jz 0b - leal 18+NN(%eax,%ebx),%eax - jmp 3f - - - ALIGN3 -.L00: -#ifdef LZO_DEBUG - andl $0xffffff00,%eax ; jnz .L_assert_fail - andl $0xffffff00,%ebx ; jnz .L_assert_fail - xorl %eax,%eax ; xorl %ebx,%ebx - xorl %ecx,%ecx ; xorl %edx,%edx -#endif - TEST_IP_R(%esi) - LODSB -.L01: - cmpb $16,%al - jae .LMATCH - -/* a literal run */ - orb %al,%al - jz 1b - addl $3+NN,%eax -3: -.LFLR: - TEST_OP(-NN(%edi,%eax),%edx) - TEST_IP(-NN(%esi,%eax),%edx) -#if defined(LZO_FAST) - movl %eax,%ecx - NOTL_3(%eax) - shrl $2,%ecx - andl N_3,%eax - COPYL(%esi,%edi,%edx) - subl %eax,%esi - subl %eax,%edi -#else - movl %eax,%ecx - shrl $2,%eax - andl N_3,%ecx - COPYL_C(%esi,%edi,%edx,%eax) -.LFLR2: - rep - movsb -#endif - -#ifdef LZO_DEBUG - andl $0xffffff00,%eax ; jnz .L_assert_fail - andl $0xffffff00,%ebx ; jnz .L_assert_fail - xorl %eax,%eax ; xorl %ebx,%ebx - xorl %ecx,%ecx ; xorl %edx,%edx -#endif - LODSB - cmpb $16,%al - jae .LMATCH - - -/*********************************************************************** -// R1 -************************************************************************/ - - TEST_OP(3(%edi),%edx) - shrl $2,%eax - movb (%esi),%bl -#if defined(LZO1X) - leal -0x801(%edi),%edx -#elif defined(LZO1Y) - leal -0x401(%edi),%edx -#endif - leal (%eax,%ebx,4),%eax - incl %esi - subl %eax,%edx - TEST_LOOKBEHIND(%edx) -#if defined(LZO_FAST) - movl (%edx),%ecx - movl %ecx,(%edi) -#else - movb (%edx),%al - movb %al,(%edi) - movb 1(%edx),%al - movb %al,1(%edi) - movb 2(%edx),%al - movb %al,2(%edi) -#endif - addl N_3,%edi - jmp .LMDONE - - -/*********************************************************************** -// M2 -************************************************************************/ - - ALIGN3 -.LMATCH: - cmpb $64,%al - jb .LM3MATCH - -/* a M2 match */ - movl %eax,%ecx - shrl $2,%eax - leal -1(%edi),%edx -#if defined(LZO1X) - andl $7,%eax - movb (%esi),%bl - shrl $5,%ecx - leal (%eax,%ebx,8),%eax -#elif defined(LZO1Y) - andl N_3,%eax - movb (%esi),%bl - shrl $4,%ecx - leal (%eax,%ebx,4),%eax -#endif - incl %esi - subl %eax,%edx - -#if defined(LZO_FAST) -#if defined(LZO1X) - addl $1+3,%ecx -#elif defined(LZO1Y) - addl $2,%ecx -#endif -#else -#if defined(LZO1X) - incl %ecx -#elif defined(LZO1Y) - decl %ecx -#endif -#endif - - cmpl N_3,%eax - jae .LCOPYLONG - jmp .LCOPYBYTE - - -/*********************************************************************** -// M3 -************************************************************************/ - -0: addl N_255,%eax - TEST_IP(3(%esi),%edx) /* minimum */ -1: movb (%esi),%bl - incl %esi - orb %bl,%bl - jz 0b - leal 33+NN(%eax,%ebx),%ecx - xorl %eax,%eax - jmp 3f - - - ALIGN3 -.LM3MATCH: - cmpb $32,%al - jb .LM4MATCH - -/* a M3 match */ - andl $31,%eax - jz 1b - lea 2+NN(%eax),%ecx -3: -#ifdef LZO_DEBUG - andl $0xffff0000,%eax ; jnz .L_assert_fail -#endif - movw (%esi),%ax - leal -1(%edi),%edx - shrl $2,%eax - addl $2,%esi - subl %eax,%edx - - cmpl N_3,%eax - jb .LCOPYBYTE - - -/*********************************************************************** -// copy match -************************************************************************/ - - ALIGN1 -.LCOPYLONG: /* copy match using longwords */ - TEST_LOOKBEHIND(%edx) -#if defined(LZO_FAST) - leal -3(%edi,%ecx),%eax - shrl $2,%ecx - TEST_OP_R(%eax) - COPYL(%edx,%edi,%ebx) - movl %eax,%edi - xorl %ebx,%ebx -#else - TEST_OP((%edi,%ecx),%eax) - movl %ecx,%ebx - shrl $2,%ebx - jz 2f - COPYL_C(%edx,%edi,%eax,%ebx) - andl N_3,%ecx - jz 1f -2: COPYB_C(%edx,%edi,%al,%ecx) -1: -#endif - -.LMDONE: - movb -2(%esi),%al - andl N_3,%eax - jz .L00 -.LFLR3: - TEST_OP((%edi,%eax),%edx) - TEST_IP((%esi,%eax),%edx) -#if defined(LZO_FAST) - movl (%esi),%edx - addl %eax,%esi - movl %edx,(%edi) - addl %eax,%edi -#else - COPYB_C(%esi,%edi,%cl,%eax) -#endif - -#ifdef LZO_DEBUG - andl $0xffffff00,%eax ; jnz .L_assert_fail - andl $0xffffff00,%ebx ; jnz .L_assert_fail - xorl %eax,%eax ; xorl %ebx,%ebx - xorl %ecx,%ecx ; xorl %edx,%edx -#endif - LODSB - jmp .LMATCH - - - ALIGN3 -.LCOPYBYTE: /* copy match using bytes */ - TEST_LOOKBEHIND(%edx) - TEST_OP(-NN(%edi,%ecx),%eax) - xchgl %edx,%esi -#if defined(LZO_FAST) - subl N_3,%ecx -#endif - rep - movsb - movl %edx,%esi - jmp .LMDONE - - -/*********************************************************************** -// M4 -************************************************************************/ - -0: addl N_255,%ecx - TEST_IP(3(%esi),%edx) /* minimum */ -1: movb (%esi),%bl - incl %esi - orb %bl,%bl - jz 0b - leal 9+NN(%ebx,%ecx),%ecx - jmp 3f - - - ALIGN3 -.LM4MATCH: - cmpb $16,%al - jb .LM1MATCH - -/* a M4 match */ - movl %eax,%ecx - andl $8,%eax - shll $13,%eax /* save in bit 16 */ - andl $7,%ecx - jz 1b - addl $2+NN,%ecx -3: -#ifdef LZO_DEBUG - movl %eax,%edx ; andl $0xfffe0000,%edx ; jnz .L_assert_fail -#endif - movw (%esi),%ax - addl $2,%esi - leal -0x4000(%edi),%edx - shrl $2,%eax - jz .LEOF - subl %eax,%edx - jmp .LCOPYLONG - - -/*********************************************************************** -// M1 -************************************************************************/ - - ALIGN3 -.LM1MATCH: -/* a M1 match */ - TEST_OP(2(%edi),%edx) - shrl $2,%eax - movb (%esi),%bl - leal -1(%edi),%edx - leal (%eax,%ebx,4),%eax - incl %esi - subl %eax,%edx - TEST_LOOKBEHIND(%edx) - - movb (%edx),%al /* we must use this because edx can be edi-1 */ - movb %al,(%edi) - movb 1(%edx),%bl - movb %bl,1(%edi) - addl $2,%edi - jmp .LMDONE - - -/*********************************************************************** -// -************************************************************************/ - -.LEOF: -/**** xorl %eax,%eax eax=0 from above */ - - cmpl $3+NN,%ecx /* ecx must be 3/6 */ - setnz %al - - -/* -vi:ts=4 -*/ - |