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Diffstat (limited to 'src/lzo_func.h')
| -rw-r--r-- | src/lzo_func.h | 494 |
1 files changed, 494 insertions, 0 deletions
diff --git a/src/lzo_func.h b/src/lzo_func.h new file mode 100644 index 0000000..dfaa676 --- /dev/null +++ b/src/lzo_func.h @@ -0,0 +1,494 @@ +/* lzo_func.h -- functions + + This file is part of the LZO real-time data compression library. + + Copyright (C) 1996-2014 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/ + */ + + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the library and is subject + to change. + */ + + +#ifndef __LZO_FUNC_H +#define __LZO_FUNC_H 1 + + +/*********************************************************************** +// bitops +************************************************************************/ + +#if !defined(LZO_BITOPS_USE_ASM_BITSCAN) && !defined(LZO_BITOPS_USE_GNUC_BITSCAN) && !defined(LZO_BITOPS_USE_MSC_BITSCAN) +#if 1 && (LZO_ARCH_AMD64) && (LZO_CC_GNUC && (LZO_CC_GNUC < 0x040000ul)) && (LZO_ASM_SYNTAX_GNUC) +#define LZO_BITOPS_USE_ASM_BITSCAN 1 +#elif (LZO_CC_CLANG || (LZO_CC_GNUC >= 0x030400ul) || (LZO_CC_INTELC_GNUC && (__INTEL_COMPILER >= 1000)) || (LZO_CC_LLVM && (!defined(__llvm_tools_version__) || (__llvm_tools_version__+0 >= 0x010500ul)))) +#define LZO_BITOPS_USE_GNUC_BITSCAN 1 +#elif (LZO_OS_WIN32 || LZO_OS_WIN64) && ((LZO_CC_INTELC_MSC && (__INTEL_COMPILER >= 1010)) || (LZO_CC_MSC && (_MSC_VER >= 1400))) +#define LZO_BITOPS_USE_MSC_BITSCAN 1 +#if (LZO_CC_MSC) && (LZO_ARCH_AMD64 || LZO_ARCH_I386) +#include <intrin.h> +#endif +#if (LZO_CC_MSC) && (LZO_ARCH_AMD64 || LZO_ARCH_I386) +#pragma intrinsic(_BitScanReverse) +#pragma intrinsic(_BitScanForward) +#endif +#if (LZO_CC_MSC) && (LZO_ARCH_AMD64) +#pragma intrinsic(_BitScanReverse64) +#pragma intrinsic(_BitScanForward64) +#endif +#endif +#endif + +__lzo_static_forceinline unsigned lzo_bitops_ctlz32_func(lzo_uint32_t v) +{ +#if (LZO_BITOPS_USE_MSC_BITSCAN) && (LZO_ARCH_AMD64 || LZO_ARCH_I386) + unsigned long r; (void) _BitScanReverse(&r, v); return (unsigned) r ^ 31; +#define lzo_bitops_ctlz32(v) lzo_bitops_ctlz32_func(v) +#elif (LZO_BITOPS_USE_ASM_BITSCAN) && (LZO_ARCH_AMD64 || LZO_ARCH_I386) && (LZO_ASM_SYNTAX_GNUC) + lzo_uint32_t r; + __asm__("bsr %1,%0" : "=r" (r) : "rm" (v) __LZO_ASM_CLOBBER_LIST_CC); + return (unsigned) r ^ 31; +#define lzo_bitops_ctlz32(v) lzo_bitops_ctlz32_func(v) +#elif (LZO_BITOPS_USE_GNUC_BITSCAN) && (LZO_SIZEOF_INT == 4) + unsigned r; r = (unsigned) __builtin_clz(v); return r; +#define lzo_bitops_ctlz32(v) ((unsigned) __builtin_clz(v)) +#else + LZO_UNUSED(v); return 0; +#endif +} + +#if defined(lzo_uint64_t) +__lzo_static_forceinline unsigned lzo_bitops_ctlz64_func(lzo_uint64_t v) +{ +#if (LZO_BITOPS_USE_MSC_BITSCAN) && (LZO_ARCH_AMD64) + unsigned long r; (void) _BitScanReverse64(&r, v); return (unsigned) r ^ 63; +#define lzo_bitops_ctlz64(v) lzo_bitops_ctlz64_func(v) +#elif (LZO_BITOPS_USE_ASM_BITSCAN) && (LZO_ARCH_AMD64) && (LZO_ASM_SYNTAX_GNUC) + lzo_uint64_t r; + __asm__("bsr %1,%0" : "=r" (r) : "rm" (v) __LZO_ASM_CLOBBER_LIST_CC); + return (unsigned) r ^ 63; +#define lzo_bitops_ctlz64(v) lzo_bitops_ctlz64_func(v) +#elif (LZO_BITOPS_USE_GNUC_BITSCAN) && (LZO_SIZEOF_LONG == 8) && (LZO_WORDSIZE >= 8) + unsigned r; r = (unsigned) __builtin_clzl(v); return r; +#define lzo_bitops_ctlz64(v) ((unsigned) __builtin_clzl(v)) +#elif (LZO_BITOPS_USE_GNUC_BITSCAN) && (LZO_SIZEOF_LONG_LONG == 8) && (LZO_WORDSIZE >= 8) + unsigned r; r = (unsigned) __builtin_clzll(v); return r; +#define lzo_bitops_ctlz64(v) ((unsigned) __builtin_clzll(v)) +#else + LZO_UNUSED(v); return 0; +#endif +} +#endif + +__lzo_static_forceinline unsigned lzo_bitops_cttz32_func(lzo_uint32_t v) +{ +#if (LZO_BITOPS_USE_MSC_BITSCAN) && (LZO_ARCH_AMD64 || LZO_ARCH_I386) + unsigned long r; (void) _BitScanForward(&r, v); return (unsigned) r; +#define lzo_bitops_cttz32(v) lzo_bitops_cttz32_func(v) +#elif (LZO_BITOPS_USE_ASM_BITSCAN) && (LZO_ARCH_AMD64 || LZO_ARCH_I386) && (LZO_ASM_SYNTAX_GNUC) + lzo_uint32_t r; + __asm__("bsf %1,%0" : "=r" (r) : "rm" (v) __LZO_ASM_CLOBBER_LIST_CC); + return (unsigned) r; +#define lzo_bitops_cttz32(v) lzo_bitops_cttz32_func(v) +#elif (LZO_BITOPS_USE_GNUC_BITSCAN) && (LZO_SIZEOF_INT >= 4) + unsigned r; r = (unsigned) __builtin_ctz(v); return r; +#define lzo_bitops_cttz32(v) ((unsigned) __builtin_ctz(v)) +#else + LZO_UNUSED(v); return 0; +#endif +} + +#if defined(lzo_uint64_t) +__lzo_static_forceinline unsigned lzo_bitops_cttz64_func(lzo_uint64_t v) +{ +#if (LZO_BITOPS_USE_MSC_BITSCAN) && (LZO_ARCH_AMD64) + unsigned long r; (void) _BitScanForward64(&r, v); return (unsigned) r; +#define lzo_bitops_cttz64(v) lzo_bitops_cttz64_func(v) +#elif (LZO_BITOPS_USE_ASM_BITSCAN) && (LZO_ARCH_AMD64) && (LZO_ASM_SYNTAX_GNUC) + lzo_uint64_t r; + __asm__("bsf %1,%0" : "=r" (r) : "rm" (v) __LZO_ASM_CLOBBER_LIST_CC); + return (unsigned) r; +#define lzo_bitops_cttz64(v) lzo_bitops_cttz64_func(v) +#elif (LZO_BITOPS_USE_GNUC_BITSCAN) && (LZO_SIZEOF_LONG >= 8) && (LZO_WORDSIZE >= 8) + unsigned r; r = (unsigned) __builtin_ctzl(v); return r; +#define lzo_bitops_cttz64(v) ((unsigned) __builtin_ctzl(v)) +#elif (LZO_BITOPS_USE_GNUC_BITSCAN) && (LZO_SIZEOF_LONG_LONG >= 8) && (LZO_WORDSIZE >= 8) + unsigned r; r = (unsigned) __builtin_ctzll(v); return r; +#define lzo_bitops_cttz64(v) ((unsigned) __builtin_ctzll(v)) +#else + LZO_UNUSED(v); return 0; +#endif +} +#endif + +#if 1 && (LZO_CC_ARMCC_GNUC || LZO_CC_CLANG || (LZO_CC_GNUC >= 0x020700ul) || LZO_CC_INTELC_GNUC || LZO_CC_LLVM || LZO_CC_PATHSCALE || LZO_CC_PGI) +static void __attribute__((__unused__)) +#else +__lzo_static_forceinline void +#endif +lzo_bitops_unused_funcs(void) +{ + LZO_UNUSED_FUNC(lzo_bitops_ctlz32_func); + LZO_UNUSED_FUNC(lzo_bitops_cttz32_func); +#if defined(lzo_uint64_t) + LZO_UNUSED_FUNC(lzo_bitops_ctlz64_func); + LZO_UNUSED_FUNC(lzo_bitops_cttz64_func); +#endif + LZO_UNUSED_FUNC(lzo_bitops_unused_funcs); +} + + +/*********************************************************************** +// memops +************************************************************************/ + +#if defined(__lzo_alignof) && !(LZO_CFG_NO_UNALIGNED) +#ifndef __lzo_memops_tcheck +#define __lzo_memops_tcheck(t,a,b) ((void)0, sizeof(t) == (a) && __lzo_alignof(t) == (b)) +#endif +#endif +#ifndef lzo_memops_TU0p +#define lzo_memops_TU0p void __LZO_MMODEL * +#endif +#ifndef lzo_memops_TU1p +#define lzo_memops_TU1p unsigned char __LZO_MMODEL * +#endif +#ifndef lzo_memops_TU2p +#if (LZO_OPT_UNALIGNED16) +typedef lzo_uint16_t __lzo_may_alias lzo_memops_TU2; +#define lzo_memops_TU2p volatile lzo_memops_TU2 * +#elif defined(__lzo_byte_struct) +__lzo_byte_struct(lzo_memops_TU2_struct,2) +typedef struct lzo_memops_TU2_struct lzo_memops_TU2; +#else +struct lzo_memops_TU2_struct { unsigned char a[2]; } __lzo_may_alias; +typedef struct lzo_memops_TU2_struct lzo_memops_TU2; +#endif +#ifndef lzo_memops_TU2p +#define lzo_memops_TU2p lzo_memops_TU2 * +#endif +#endif +#ifndef lzo_memops_TU4p +#if (LZO_OPT_UNALIGNED32) +typedef lzo_uint32_t __lzo_may_alias lzo_memops_TU4; +#define lzo_memops_TU4p volatile lzo_memops_TU4 __LZO_MMODEL * +#elif defined(__lzo_byte_struct) +__lzo_byte_struct(lzo_memops_TU4_struct,4) +typedef struct lzo_memops_TU4_struct lzo_memops_TU4; +#else +struct lzo_memops_TU4_struct { unsigned char a[4]; } __lzo_may_alias; +typedef struct lzo_memops_TU4_struct lzo_memops_TU4; +#endif +#ifndef lzo_memops_TU4p +#define lzo_memops_TU4p lzo_memops_TU4 __LZO_MMODEL * +#endif +#endif +#ifndef lzo_memops_TU8p +#if (LZO_OPT_UNALIGNED64) +typedef lzo_uint64_t __lzo_may_alias lzo_memops_TU8; +#define lzo_memops_TU8p volatile lzo_memops_TU8 __LZO_MMODEL * +#elif defined(__lzo_byte_struct) +__lzo_byte_struct(lzo_memops_TU8_struct,8) +typedef struct lzo_memops_TU8_struct lzo_memops_TU8; +#else +struct lzo_memops_TU8_struct { unsigned char a[8]; } __lzo_may_alias; +typedef struct lzo_memops_TU8_struct lzo_memops_TU8; +#endif +#ifndef lzo_memops_TU8p +#define lzo_memops_TU8p lzo_memops_TU8 __LZO_MMODEL * +#endif +#endif +#ifndef lzo_memops_set_TU1p +#define lzo_memops_set_TU1p volatile lzo_memops_TU1p +#endif +#ifndef lzo_memops_move_TU1p +#define lzo_memops_move_TU1p lzo_memops_TU1p +#endif +#define LZO_MEMOPS_SET1(dd,cc) \ + LZO_BLOCK_BEGIN \ + lzo_memops_set_TU1p d__1 = (lzo_memops_set_TU1p) (lzo_memops_TU0p) (dd); \ + d__1[0] = LZO_BYTE(cc); \ + LZO_BLOCK_END +#define LZO_MEMOPS_SET2(dd,cc) \ + LZO_BLOCK_BEGIN \ + lzo_memops_set_TU1p d__2 = (lzo_memops_set_TU1p) (lzo_memops_TU0p) (dd); \ + d__2[0] = LZO_BYTE(cc); d__2[1] = LZO_BYTE(cc); \ + LZO_BLOCK_END +#define LZO_MEMOPS_SET3(dd,cc) \ + LZO_BLOCK_BEGIN \ + lzo_memops_set_TU1p d__3 = (lzo_memops_set_TU1p) (lzo_memops_TU0p) (dd); \ + d__3[0] = LZO_BYTE(cc); d__3[1] = LZO_BYTE(cc); d__3[2] = LZO_BYTE(cc); \ + LZO_BLOCK_END +#define LZO_MEMOPS_SET4(dd,cc) \ + LZO_BLOCK_BEGIN \ + lzo_memops_set_TU1p d__4 = (lzo_memops_set_TU1p) (lzo_memops_TU0p) (dd); \ + d__4[0] = LZO_BYTE(cc); d__4[1] = LZO_BYTE(cc); d__4[2] = LZO_BYTE(cc); d__4[3] = LZO_BYTE(cc); \ + LZO_BLOCK_END +#define LZO_MEMOPS_MOVE1(dd,ss) \ + LZO_BLOCK_BEGIN \ + lzo_memops_move_TU1p d__1 = (lzo_memops_move_TU1p) (lzo_memops_TU0p) (dd); \ + const lzo_memops_move_TU1p s__1 = (const lzo_memops_move_TU1p) (const lzo_memops_TU0p) (ss); \ + d__1[0] = s__1[0]; \ + LZO_BLOCK_END +#define LZO_MEMOPS_MOVE2(dd,ss) \ + LZO_BLOCK_BEGIN \ + lzo_memops_move_TU1p d__2 = (lzo_memops_move_TU1p) (lzo_memops_TU0p) (dd); \ + const lzo_memops_move_TU1p s__2 = (const lzo_memops_move_TU1p) (const lzo_memops_TU0p) (ss); \ + d__2[0] = s__2[0]; d__2[1] = s__2[1]; \ + LZO_BLOCK_END +#define LZO_MEMOPS_MOVE3(dd,ss) \ + LZO_BLOCK_BEGIN \ + lzo_memops_move_TU1p d__3 = (lzo_memops_move_TU1p) (lzo_memops_TU0p) (dd); \ + const lzo_memops_move_TU1p s__3 = (const lzo_memops_move_TU1p) (const lzo_memops_TU0p) (ss); \ + d__3[0] = s__3[0]; d__3[1] = s__3[1]; d__3[2] = s__3[2]; \ + LZO_BLOCK_END +#define LZO_MEMOPS_MOVE4(dd,ss) \ + LZO_BLOCK_BEGIN \ + lzo_memops_move_TU1p d__4 = (lzo_memops_move_TU1p) (lzo_memops_TU0p) (dd); \ + const lzo_memops_move_TU1p s__4 = (const lzo_memops_move_TU1p) (const lzo_memops_TU0p) (ss); \ + d__4[0] = s__4[0]; d__4[1] = s__4[1]; d__4[2] = s__4[2]; d__4[3] = s__4[3]; \ + LZO_BLOCK_END +#define LZO_MEMOPS_MOVE8(dd,ss) \ + LZO_BLOCK_BEGIN \ + lzo_memops_move_TU1p d__8 = (lzo_memops_move_TU1p) (lzo_memops_TU0p) (dd); \ + const lzo_memops_move_TU1p s__8 = (const lzo_memops_move_TU1p) (const lzo_memops_TU0p) (ss); \ + d__8[0] = s__8[0]; d__8[1] = s__8[1]; d__8[2] = s__8[2]; d__8[3] = s__8[3]; \ + d__8[4] = s__8[4]; d__8[5] = s__8[5]; d__8[6] = s__8[6]; d__8[7] = s__8[7]; \ + LZO_BLOCK_END +LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(*(lzo_memops_TU1p)0)==1) +#define LZO_MEMOPS_COPY1(dd,ss) LZO_MEMOPS_MOVE1(dd,ss) +#if (LZO_OPT_UNALIGNED16) +LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(*(lzo_memops_TU2p)0)==2) +#define LZO_MEMOPS_COPY2(dd,ss) \ + * (lzo_memops_TU2p) (lzo_memops_TU0p) (dd) = * (const lzo_memops_TU2p) (const lzo_memops_TU0p) (ss) +#elif defined(__lzo_memops_tcheck) +#define LZO_MEMOPS_COPY2(dd,ss) \ + LZO_BLOCK_BEGIN if (__lzo_memops_tcheck(lzo_memops_TU2,2,1)) { \ + * (lzo_memops_TU2p) (lzo_memops_TU0p) (dd) = * (const lzo_memops_TU2p) (const lzo_memops_TU0p) (ss); \ + } else { LZO_MEMOPS_MOVE2(dd,ss); } LZO_BLOCK_END +#else +#define LZO_MEMOPS_COPY2(dd,ss) LZO_MEMOPS_MOVE2(dd,ss) +#endif +#if (LZO_OPT_UNALIGNED32) +LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(*(lzo_memops_TU4p)0)==4) +#define LZO_MEMOPS_COPY4(dd,ss) \ + * (lzo_memops_TU4p) (lzo_memops_TU0p) (dd) = * (const lzo_memops_TU4p) (const lzo_memops_TU0p) (ss) +#elif defined(__lzo_memops_tcheck) +#define LZO_MEMOPS_COPY4(dd,ss) \ + LZO_BLOCK_BEGIN if (__lzo_memops_tcheck(lzo_memops_TU4,4,1)) { \ + * (lzo_memops_TU4p) (lzo_memops_TU0p) (dd) = * (const lzo_memops_TU4p) (const lzo_memops_TU0p) (ss); \ + } else { LZO_MEMOPS_MOVE4(dd,ss); } LZO_BLOCK_END +#else +#define LZO_MEMOPS_COPY4(dd,ss) LZO_MEMOPS_MOVE4(dd,ss) +#endif +#if (LZO_WORDSIZE != 8) +#define LZO_MEMOPS_COPY8(dd,ss) \ + LZO_BLOCK_BEGIN LZO_MEMOPS_COPY4(dd,ss); LZO_MEMOPS_COPY4((lzo_memops_TU1p)(lzo_memops_TU0p)(dd)+4,(const lzo_memops_TU1p)(const lzo_memops_TU0p)(ss)+4); LZO_BLOCK_END +#else +#if (LZO_OPT_UNALIGNED64) +LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(*(lzo_memops_TU8p)0)==8) +#define LZO_MEMOPS_COPY8(dd,ss) \ + * (lzo_memops_TU8p) (lzo_memops_TU0p) (dd) = * (const lzo_memops_TU8p) (const lzo_memops_TU0p) (ss) +#elif (LZO_OPT_UNALIGNED32) +#define LZO_MEMOPS_COPY8(dd,ss) \ + LZO_BLOCK_BEGIN LZO_MEMOPS_COPY4(dd,ss); LZO_MEMOPS_COPY4((lzo_memops_TU1p)(lzo_memops_TU0p)(dd)+4,(const lzo_memops_TU1p)(const lzo_memops_TU0p)(ss)+4); LZO_BLOCK_END +#elif defined(__lzo_memops_tcheck) +#define LZO_MEMOPS_COPY8(dd,ss) \ + LZO_BLOCK_BEGIN if (__lzo_memops_tcheck(lzo_memops_TU8,8,1)) { \ + * (lzo_memops_TU8p) (lzo_memops_TU0p) (dd) = * (const lzo_memops_TU8p) (const lzo_memops_TU0p) (ss); \ + } else { LZO_MEMOPS_MOVE8(dd,ss); } LZO_BLOCK_END +#else +#define LZO_MEMOPS_COPY8(dd,ss) LZO_MEMOPS_MOVE8(dd,ss) +#endif +#endif +#define LZO_MEMOPS_COPYN(dd,ss,nn) \ + LZO_BLOCK_BEGIN \ + lzo_memops_TU1p d__n = (lzo_memops_TU1p) (lzo_memops_TU0p) (dd); \ + const lzo_memops_TU1p s__n = (const lzo_memops_TU1p) (const lzo_memops_TU0p) (ss); \ + lzo_uint n__n = (nn); \ + while ((void)0, n__n >= 8) { LZO_MEMOPS_COPY8(d__n, s__n); d__n += 8; s__n += 8; n__n -= 8; } \ + if ((void)0, n__n >= 4) { LZO_MEMOPS_COPY4(d__n, s__n); d__n += 4; s__n += 4; n__n -= 4; } \ + if ((void)0, n__n > 0) do { *d__n++ = *s__n++; } while (--n__n > 0); \ + LZO_BLOCK_END + +__lzo_static_forceinline lzo_uint16_t lzo_memops_get_le16(const lzo_voidp ss) +{ + lzo_uint16_t v; +#if (LZO_ABI_LITTLE_ENDIAN) + LZO_MEMOPS_COPY2(&v, ss); +#elif (LZO_OPT_UNALIGNED16 && LZO_ARCH_POWERPC && LZO_ABI_BIG_ENDIAN) && (LZO_ASM_SYNTAX_GNUC) + const lzo_memops_TU2p s = (const lzo_memops_TU2p) ss; + unsigned long vv; + __asm__("lhbrx %0,0,%1" : "=r" (vv) : "r" (s), "m" (*s)); + v = (lzo_uint16_t) vv; +#else + const lzo_memops_TU1p s = (const lzo_memops_TU1p) ss; + v = (lzo_uint16_t) (((lzo_uint16_t)s[0]) | ((lzo_uint16_t)s[1] << 8)); +#endif + return v; +} +#if (LZO_OPT_UNALIGNED16) && (LZO_ABI_LITTLE_ENDIAN) +#define LZO_MEMOPS_GET_LE16(ss) * (const lzo_memops_TU2p) (const lzo_memops_TU0p) (ss) +#else +#define LZO_MEMOPS_GET_LE16(ss) lzo_memops_get_le16(ss) +#endif + +__lzo_static_forceinline lzo_uint32_t lzo_memops_get_le32(const lzo_voidp ss) +{ + lzo_uint32_t v; +#if (LZO_ABI_LITTLE_ENDIAN) + LZO_MEMOPS_COPY4(&v, ss); +#elif (LZO_OPT_UNALIGNED32 && LZO_ARCH_POWERPC && LZO_ABI_BIG_ENDIAN) && (LZO_ASM_SYNTAX_GNUC) + const lzo_memops_TU4p s = (const lzo_memops_TU4p) ss; + unsigned long vv; + __asm__("lwbrx %0,0,%1" : "=r" (vv) : "r" (s), "m" (*s)); + v = (lzo_uint32_t) vv; +#else + const lzo_memops_TU1p s = (const lzo_memops_TU1p) ss; + v = (lzo_uint32_t) (((lzo_uint32_t)s[0]) | ((lzo_uint32_t)s[1] << 8) | ((lzo_uint32_t)s[2] << 16) | ((lzo_uint32_t)s[3] << 24)); +#endif + return v; +} +#if (LZO_OPT_UNALIGNED32) && (LZO_ABI_LITTLE_ENDIAN) +#define LZO_MEMOPS_GET_LE32(ss) * (const lzo_memops_TU4p) (const lzo_memops_TU0p) (ss) +#else +#define LZO_MEMOPS_GET_LE32(ss) lzo_memops_get_le32(ss) +#endif + +#if (LZO_OPT_UNALIGNED64) && (LZO_ABI_LITTLE_ENDIAN) +#define LZO_MEMOPS_GET_LE64(ss) * (const lzo_memops_TU8p) (const lzo_memops_TU0p) (ss) +#endif + +__lzo_static_forceinline lzo_uint16_t lzo_memops_get_ne16(const lzo_voidp ss) +{ + lzo_uint16_t v; + LZO_MEMOPS_COPY2(&v, ss); + return v; +} +#if (LZO_OPT_UNALIGNED16) +#define LZO_MEMOPS_GET_NE16(ss) * (const lzo_memops_TU2p) (const lzo_memops_TU0p) (ss) +#else +#define LZO_MEMOPS_GET_NE16(ss) lzo_memops_get_ne16(ss) +#endif + +__lzo_static_forceinline lzo_uint32_t lzo_memops_get_ne32(const lzo_voidp ss) +{ + lzo_uint32_t v; + LZO_MEMOPS_COPY4(&v, ss); + return v; +} +#if (LZO_OPT_UNALIGNED32) +#define LZO_MEMOPS_GET_NE32(ss) * (const lzo_memops_TU4p) (const lzo_memops_TU0p) (ss) +#else +#define LZO_MEMOPS_GET_NE32(ss) lzo_memops_get_ne32(ss) +#endif + +#if (LZO_OPT_UNALIGNED64) +#define LZO_MEMOPS_GET_NE64(ss) * (const lzo_memops_TU8p) (const lzo_memops_TU0p) (ss) +#endif + +__lzo_static_forceinline void lzo_memops_put_le16(lzo_voidp dd, lzo_uint16_t vv) +{ +#if (LZO_ABI_LITTLE_ENDIAN) + LZO_MEMOPS_COPY2(dd, &vv); +#elif (LZO_OPT_UNALIGNED16 && LZO_ARCH_POWERPC && LZO_ABI_BIG_ENDIAN) && (LZO_ASM_SYNTAX_GNUC) + lzo_memops_TU2p d = (lzo_memops_TU2p) dd; + unsigned long v = vv; + __asm__("sthbrx %2,0,%1" : "=m" (*d) : "r" (d), "r" (v)); +#else + lzo_memops_TU1p d = (lzo_memops_TU1p) dd; + d[0] = LZO_BYTE((vv ) & 0xff); + d[1] = LZO_BYTE((vv >> 8) & 0xff); +#endif +} +#if (LZO_OPT_UNALIGNED16) && (LZO_ABI_LITTLE_ENDIAN) +#define LZO_MEMOPS_PUT_LE16(dd,vv) (* (lzo_memops_TU2p) (lzo_memops_TU0p) (dd) = (vv)) +#else +#define LZO_MEMOPS_PUT_LE16(dd,vv) lzo_memops_put_le16(dd,vv) +#endif + +__lzo_static_forceinline void lzo_memops_put_le32(lzo_voidp dd, lzo_uint32_t vv) +{ +#if (LZO_ABI_LITTLE_ENDIAN) + LZO_MEMOPS_COPY4(dd, &vv); +#elif (LZO_OPT_UNALIGNED32 && LZO_ARCH_POWERPC && LZO_ABI_BIG_ENDIAN) && (LZO_ASM_SYNTAX_GNUC) + lzo_memops_TU4p d = (lzo_memops_TU4p) dd; + unsigned long v = vv; + __asm__("stwbrx %2,0,%1" : "=m" (*d) : "r" (d), "r" (v)); +#else + lzo_memops_TU1p d = (lzo_memops_TU1p) dd; + d[0] = LZO_BYTE((vv ) & 0xff); + d[1] = LZO_BYTE((vv >> 8) & 0xff); + d[2] = LZO_BYTE((vv >> 16) & 0xff); + d[3] = LZO_BYTE((vv >> 24) & 0xff); +#endif +} +#if (LZO_OPT_UNALIGNED32) && (LZO_ABI_LITTLE_ENDIAN) +#define LZO_MEMOPS_PUT_LE32(dd,vv) (* (lzo_memops_TU4p) (lzo_memops_TU0p) (dd) = (vv)) +#else +#define LZO_MEMOPS_PUT_LE32(dd,vv) lzo_memops_put_le32(dd,vv) +#endif + +__lzo_static_forceinline void lzo_memops_put_ne16(lzo_voidp dd, lzo_uint16_t vv) +{ + LZO_MEMOPS_COPY2(dd, &vv); +} +#if (LZO_OPT_UNALIGNED16) +#define LZO_MEMOPS_PUT_NE16(dd,vv) (* (lzo_memops_TU2p) (lzo_memops_TU0p) (dd) = (vv)) +#else +#define LZO_MEMOPS_PUT_NE16(dd,vv) lzo_memops_put_ne16(dd,vv) +#endif + +__lzo_static_forceinline void lzo_memops_put_ne32(lzo_voidp dd, lzo_uint32_t vv) +{ + LZO_MEMOPS_COPY4(dd, &vv); +} +#if (LZO_OPT_UNALIGNED32) +#define LZO_MEMOPS_PUT_NE32(dd,vv) (* (lzo_memops_TU4p) (lzo_memops_TU0p) (dd) = (vv)) +#else +#define LZO_MEMOPS_PUT_NE32(dd,vv) lzo_memops_put_ne32(dd,vv) +#endif + +#if 1 && (LZO_CC_ARMCC_GNUC || LZO_CC_CLANG || (LZO_CC_GNUC >= 0x020700ul) || LZO_CC_INTELC_GNUC || LZO_CC_LLVM || LZO_CC_PATHSCALE || LZO_CC_PGI) +static void __attribute__((__unused__)) +#else +__lzo_static_forceinline void +#endif +lzo_memops_unused_funcs(void) +{ + LZO_UNUSED_FUNC(lzo_memops_get_le16); + LZO_UNUSED_FUNC(lzo_memops_get_le32); + LZO_UNUSED_FUNC(lzo_memops_get_ne16); + LZO_UNUSED_FUNC(lzo_memops_get_ne32); + LZO_UNUSED_FUNC(lzo_memops_put_le16); + LZO_UNUSED_FUNC(lzo_memops_put_le32); + LZO_UNUSED_FUNC(lzo_memops_put_ne16); + LZO_UNUSED_FUNC(lzo_memops_put_ne32); + LZO_UNUSED_FUNC(lzo_memops_unused_funcs); +} + +#endif /* already included */ + +/* vim:set ts=4 sw=4 et: */ |