From 68e19d426ba6d9f048ebfdf337b93a85dc4d5b4c Mon Sep 17 00:00:00 2001 From: Arne Schwabe Date: Sun, 29 Jun 2014 18:18:50 +0200 Subject: Update lzo version --HG-- extra : rebase_source : 4310223035376c8ac1773fd03a43289aa96ce4f3 --- main/lzo/src/lzo1x_c.ch | 170 ++++++++++++++++++++---------------------------- 1 file changed, 71 insertions(+), 99 deletions(-) (limited to 'main/lzo/src/lzo1x_c.ch') diff --git a/main/lzo/src/lzo1x_c.ch b/main/lzo/src/lzo1x_c.ch index b2646249..805f71d3 100644 --- a/main/lzo/src/lzo1x_c.ch +++ b/main/lzo/src/lzo1x_c.ch @@ -2,22 +2,7 @@ This file is part of the LZO real-time data compression library. - Copyright (C) 2011 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2010 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2009 Markus Franz Xaver Johannes Oberhumer - 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 + Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer All Rights Reserved. The LZO library is free software; you can redistribute it and/or @@ -44,20 +29,9 @@ #if 1 && defined(DO_COMPRESS) && !defined(do_compress) /* choose a unique name to better help PGO optimizations */ -# define do_compress LZO_CPP_ECONCAT2(DO_COMPRESS,_core) +# define do_compress LZO_PP_ECONCAT2(DO_COMPRESS,_core) #endif -#if defined(UA_GET64) && (LZO_ABI_BIG_ENDIAN) -# define WANT_lzo_bitops_clz64 1 -#elif defined(UA_GET64) && (LZO_ABI_LITTLE_ENDIAN) -# define WANT_lzo_bitops_ctz64 1 -#elif defined(UA_GET32) && (LZO_ABI_BIG_ENDIAN) -# define WANT_lzo_bitops_clz32 1 -#elif defined(UA_GET32) && (LZO_ABI_LITTLE_ENDIAN) -# define WANT_lzo_bitops_ctz32 1 -#endif -#include "lzo_func.ch" - /*********************************************************************** // compress a block of data. @@ -68,7 +42,7 @@ do_compress ( const lzo_bytep in , lzo_uint in_len, lzo_bytep out, lzo_uintp out_len, lzo_uint ti, lzo_voidp wrkmem) { - register const lzo_bytep ip; + const lzo_bytep ip; lzo_bytep op; const lzo_bytep const in_end = in + in_len; const lzo_bytep const ip_end = in + in_len - 20; @@ -107,8 +81,8 @@ next: goto literal; try_match: -#if defined(UA_GET32) - if (UA_GET32(m_pos) != UA_GET32(ip)) +#if (LZO_OPT_UNALIGNED32) + if (UA_GET_NE32(m_pos) != UA_GET_NE32(ip)) #else if (m_pos[0] != ip[0] || m_pos[1] != ip[1] || m_pos[2] != ip[2] || m_pos[3] != ip[3]) #endif @@ -125,18 +99,18 @@ literal: lzo_uint m_off; lzo_uint m_len; { - lzo_uint32 dv; + lzo_uint32_t dv; lzo_uint dindex; literal: ip += 1 + ((ip - ii) >> 5); next: if __lzo_unlikely(ip >= ip_end) break; - dv = UA_GET32(ip); + dv = UA_GET_LE32(ip); dindex = DINDEX(dv,ip); GINDEX(m_off,m_pos,in+dict,dindex,in); UPDATE_I(dict,0,dindex,ip,in); - if __lzo_unlikely(dv != UA_GET32(m_pos)) + if __lzo_unlikely(dv != UA_GET_LE32(m_pos)) goto literal; } #endif @@ -145,32 +119,25 @@ next: ii -= ti; ti = 0; { - register lzo_uint t = pd(ip,ii); + lzo_uint t = pd(ip,ii); if (t != 0) { if (t <= 3) { - op[-2] |= LZO_BYTE(t); -#if defined(UA_COPY32) - UA_COPY32(op, ii); + op[-2] = LZO_BYTE(op[-2] | t); +#if (LZO_OPT_UNALIGNED32) + UA_COPY4(op, ii); op += t; #else { do *op++ = *ii++; while (--t > 0); } #endif } -#if defined(UA_COPY32) || defined(UA_COPY64) +#if (LZO_OPT_UNALIGNED32) || (LZO_OPT_UNALIGNED64) else if (t <= 16) { *op++ = LZO_BYTE(t - 3); -#if defined(UA_COPY64) - UA_COPY64(op, ii); - UA_COPY64(op+8, ii+8); -#else - UA_COPY32(op, ii); - UA_COPY32(op+4, ii+4); - UA_COPY32(op+8, ii+8); - UA_COPY32(op+12, ii+12); -#endif + UA_COPY8(op, ii); + UA_COPY8(op+8, ii+8); op += t; } #endif @@ -180,31 +147,21 @@ next: *op++ = LZO_BYTE(t - 3); else { - register lzo_uint tt = t - 18; + lzo_uint tt = t - 18; *op++ = 0; while __lzo_unlikely(tt > 255) { tt -= 255; -#if 1 && (LZO_CC_MSC && (_MSC_VER >= 1400)) - * (volatile unsigned char *) op++ = 0; -#else - *op++ = 0; -#endif + UA_SET1(op, 0); + op++; } assert(tt > 0); *op++ = LZO_BYTE(tt); } -#if defined(UA_COPY32) || defined(UA_COPY64) +#if (LZO_OPT_UNALIGNED32) || (LZO_OPT_UNALIGNED64) do { -#if defined(UA_COPY64) - UA_COPY64(op, ii); - UA_COPY64(op+8, ii+8); -#else - UA_COPY32(op, ii); - UA_COPY32(op+4, ii+4); - UA_COPY32(op+8, ii+8); - UA_COPY32(op+12, ii+12); -#endif + UA_COPY8(op, ii); + UA_COPY8(op+8, ii+8); op += 16; ii += 16; t -= 16; } while (t >= 16); if (t > 0) #endif @@ -214,26 +171,26 @@ next: } m_len = 4; { -#if defined(UA_GET64) - lzo_uint64 v; - v = UA_GET64(ip + m_len) ^ UA_GET64(m_pos + m_len); +#if (LZO_OPT_UNALIGNED64) + lzo_uint64_t v; + v = UA_GET_NE64(ip + m_len) ^ UA_GET_NE64(m_pos + m_len); if __lzo_unlikely(v == 0) { do { m_len += 8; - v = UA_GET64(ip + m_len) ^ UA_GET64(m_pos + m_len); + v = UA_GET_NE64(ip + m_len) ^ UA_GET_NE64(m_pos + m_len); if __lzo_unlikely(ip + m_len >= ip_end) goto m_len_done; } while (v == 0); } -#if (LZO_ABI_BIG_ENDIAN) && defined(lzo_bitops_clz64) - m_len += lzo_bitops_clz64(v) / CHAR_BIT; +#if (LZO_ABI_BIG_ENDIAN) && defined(lzo_bitops_ctlz64) + m_len += lzo_bitops_ctlz64(v) / CHAR_BIT; #elif (LZO_ABI_BIG_ENDIAN) if ((v >> (64 - CHAR_BIT)) == 0) do { v <<= CHAR_BIT; m_len += 1; } while ((v >> (64 - CHAR_BIT)) == 0); -#elif (LZO_ABI_LITTLE_ENDIAN) && defined(lzo_bitops_ctz64) - m_len += lzo_bitops_ctz64(v) / CHAR_BIT; +#elif (LZO_ABI_LITTLE_ENDIAN) && defined(lzo_bitops_cttz64) + m_len += lzo_bitops_cttz64(v) / CHAR_BIT; #elif (LZO_ABI_LITTLE_ENDIAN) if ((v & UCHAR_MAX) == 0) do { v >>= CHAR_BIT; @@ -244,26 +201,30 @@ next: m_len += 1; } while (ip[m_len] == m_pos[m_len]); #endif -#elif defined(UA_GET32) - lzo_uint32 v; - v = UA_GET32(ip + m_len) ^ UA_GET32(m_pos + m_len); +#elif (LZO_OPT_UNALIGNED32) + lzo_uint32_t v; + v = UA_GET_NE32(ip + m_len) ^ UA_GET_NE32(m_pos + m_len); if __lzo_unlikely(v == 0) { do { m_len += 4; - v = UA_GET32(ip + m_len) ^ UA_GET32(m_pos + m_len); + v = UA_GET_NE32(ip + m_len) ^ UA_GET_NE32(m_pos + m_len); + if (v != 0) + break; + m_len += 4; + v = UA_GET_NE32(ip + m_len) ^ UA_GET_NE32(m_pos + m_len); if __lzo_unlikely(ip + m_len >= ip_end) goto m_len_done; } while (v == 0); } -#if (LZO_ABI_BIG_ENDIAN) && defined(lzo_bitops_clz32) - m_len += lzo_bitops_clz32(v) / CHAR_BIT; +#if (LZO_ABI_BIG_ENDIAN) && defined(lzo_bitops_ctlz32) + m_len += lzo_bitops_ctlz32(v) / CHAR_BIT; #elif (LZO_ABI_BIG_ENDIAN) if ((v >> (32 - CHAR_BIT)) == 0) do { v <<= CHAR_BIT; m_len += 1; } while ((v >> (32 - CHAR_BIT)) == 0); -#elif (LZO_ABI_LITTLE_ENDIAN) && defined(lzo_bitops_ctz32) - m_len += lzo_bitops_ctz32(v) / CHAR_BIT; +#elif (LZO_ABI_LITTLE_ENDIAN) && defined(lzo_bitops_cttz32) + m_len += lzo_bitops_cttz32(v) / CHAR_BIT; #elif (LZO_ABI_LITTLE_ENDIAN) if ((v & UCHAR_MAX) == 0) do { v >>= CHAR_BIT; @@ -278,6 +239,27 @@ next: if __lzo_unlikely(ip[m_len] == m_pos[m_len]) { do { m_len += 1; + if (ip[m_len] != m_pos[m_len]) + break; + m_len += 1; + if (ip[m_len] != m_pos[m_len]) + break; + m_len += 1; + if (ip[m_len] != m_pos[m_len]) + break; + m_len += 1; + if (ip[m_len] != m_pos[m_len]) + break; + m_len += 1; + if (ip[m_len] != m_pos[m_len]) + break; + m_len += 1; + if (ip[m_len] != m_pos[m_len]) + break; + m_len += 1; + if (ip[m_len] != m_pos[m_len]) + break; + m_len += 1; if __lzo_unlikely(ip + m_len >= ip_end) goto m_len_done; } while (ip[m_len] == m_pos[m_len]); @@ -311,11 +293,8 @@ m_len_done: while __lzo_unlikely(m_len > 255) { m_len -= 255; -#if 1 && (LZO_CC_MSC && (_MSC_VER >= 1400)) - * (volatile unsigned char *) op++ = 0; -#else - *op++ = 0; -#endif + UA_SET1(op, 0); + op++; } *op++ = LZO_BYTE(m_len); } @@ -334,11 +313,8 @@ m_len_done: while __lzo_unlikely(m_len > 255) { m_len -= 255; -#if 1 && (LZO_CC_MSC && (_MSC_VER >= 1400)) - * (volatile unsigned char *) op++ = 0; -#else - *op++ = 0; -#endif + UA_SET1(op, 0); + op++; } *op++ = LZO_BYTE(m_len); } @@ -394,7 +370,7 @@ DO_COMPRESS ( const lzo_bytep in , lzo_uint in_len, if (op == out && t <= 238) *op++ = LZO_BYTE(17 + t); else if (t <= 3) - op[-2] |= LZO_BYTE(t); + op[-2] = LZO_BYTE(op[-2] | t); else if (t <= 18) *op++ = LZO_BYTE(t - 3); else @@ -405,18 +381,14 @@ DO_COMPRESS ( const lzo_bytep in , lzo_uint in_len, while (tt > 255) { tt -= 255; -#if 1 && (LZO_CC_MSC && (_MSC_VER >= 1400)) - /* prevent the compiler from transforming this loop - * into a memset() call */ - * (volatile unsigned char *) op++ = 0; -#else - *op++ = 0; -#endif + UA_SET1(op, 0); + op++; } assert(tt > 0); *op++ = LZO_BYTE(tt); } - do *op++ = *ii++; while (--t > 0); + UA_COPYN(op, ii, t); + op += t; } *op++ = M4_MARKER | 1; -- cgit v1.2.3