misc: Use GCC builtins for byteswapping.

(On most CPUs this translates to single-cycle operations.  1.2% binary
size shrink on x86_64, for example)
master
Solomon Peachy 3 years ago
parent 505d8e2b15
commit eeeda9a116
  1. 40
      backend_common.h
  2. 41
      lib6145/libS6145ImageReProcess.c
  3. 41
      lib70x/libMitsuD70ImageReProcess.c

@ -59,41 +59,13 @@
#define le64_to_cpu(__x) __x
#define le32_to_cpu(__x) __x
#define le16_to_cpu(__x) __x
#define be16_to_cpu(__x) ((uint16_t)( \
(((uint16_t)(__x) & (uint16_t)0x00ff) << 8) | \
(((uint16_t)(__x) & (uint16_t)0xff00) >> 8) ))
#define be32_to_cpu(__x) ((uint32_t)( \
(((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
(((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
(((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
(((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) ))
#define be64_to_cpu(__x) ((uint64_t)( \
(((uint64_t)(__x) & (uint64_t)0x00000000000000ffULL) << 56) | \
(((uint64_t)(__x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
(((uint64_t)(__x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
(((uint64_t)(__x) & (uint64_t)0x00000000ff000000ULL) << 8) | \
(((uint64_t)(__x) & (uint64_t)0x000000ff00000000ULL) >> 8) | \
(((uint64_t)(__x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \
(((uint64_t)(__x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56) ))
#define be16_to_cpu(__x) __builtin_bswap16(__x)
#define be32_to_cpu(__x) __builtin_bswap32(__x)
#define be64_to_cpu(__x) __builtin_bswap64(__x)
#else
#define le16_to_cpu(__x) ((uint16_t)( \
(((uint16_t)(__x) & (uint16_t)0x00ff) << 8) | \
(((uint16_t)(__x) & (uint16_t)0xff00) >> 8) ))
#define le32_to_cpu(__x) ((uint32_t)( \
(((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
(((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
(((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
(((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) ))
#define le64_to_cpu(__x) ((uint64_t)( \
(((uint64_t)(__x) & (uint64_t)0x00000000000000ffULL) << 56) | \
(((uint64_t)(__x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
(((uint64_t)(__x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
(((uint64_t)(__x) & (uint64_t)0x00000000ff000000ULL) << 8) | \
(((uint64_t)(__x) & (uint64_t)0x000000ff00000000ULL) >> 8) | \
(((uint64_t)(__x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \
(((uint64_t)(__x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56)))
#define le16_to_cpu(__x) __builtin_bswap16(__x)
#define le32_to_cpu(__x) __builtin_bswap32(__x)
#define le64_to_cpu(__x) __builtin_bswap64(__x)
#define be64_to_cpu(__x) __x
#define be32_to_cpu(__x) __x
#define be16_to_cpu(__x) __x

@ -224,46 +224,17 @@ static void LeadEdgeCorrection(void);
//-------------------------------------------------------------------------
// Endian Manipulation macros
#if (__BYTE_ORDER == __LITTLE_ENDIAN)
#define le64_to_cpu(__x) __x
#define le32_to_cpu(__x) __x
#define le16_to_cpu(__x) __x
#define be16_to_cpu(__x) ((uint16_t)( \
(((uint16_t)(__x) & (uint16_t)0x00ff) << 8) | \
(((uint16_t)(__x) & (uint16_t)0xff00) >> 8) ))
#define be32_to_cpu(__x) ((uint32_t)( \
(((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
(((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
(((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
(((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) ))
#define be64_to_cpu(__x) ((uint64_t)( \
(((uint64_t)(__x) & (uint64_t)0x00000000000000ffULL) << 56) | \
(((uint64_t)(__x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
(((uint64_t)(__x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
(((uint64_t)(__x) & (uint64_t)0x00000000ff000000ULL) << 8) | \
(((uint64_t)(__x) & (uint64_t)0x000000ff00000000ULL) >> 8) | \
(((uint64_t)(__x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \
(((uint64_t)(__x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56) ))
#define be16_to_cpu(__x) __builtin_bswap16(__x)
#define be32_to_cpu(__x) __builtin_bswap32(__x)
#define be64_to_cpu(__x) __builtin_bswap64(__x)
#else
#define le16_to_cpu(__x) ((uint16_t)( \
(((uint16_t)(__x) & (uint16_t)0x00ff) << 8) | \
(((uint16_t)(__x) & (uint16_t)0xff00) >> 8) ))
#define le32_to_cpu(__x) ((uint32_t)( \
(((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
(((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
(((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
(((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) ))
#define le64_to_cpu(__x) ((uint64_t)( \
(((uint64_t)(__x) & (uint64_t)0x00000000000000ffULL) << 56) | \
(((uint64_t)(__x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
(((uint64_t)(__x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
(((uint64_t)(__x) & (uint64_t)0x00000000ff000000ULL) << 8) | \
(((uint64_t)(__x) & (uint64_t)0x000000ff00000000ULL) >> 8) | \
(((uint64_t)(__x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \
(((uint64_t)(__x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56)))
#define le16_to_cpu(__x) __builtin_bswap16(__x)
#define le32_to_cpu(__x) __builtin_bswap32(__x)
#define le64_to_cpu(__x) __builtin_bswap64(__x)
#define be64_to_cpu(__x) __x
#define be32_to_cpu(__x) __x
#define be16_to_cpu(__x) __x

@ -65,46 +65,17 @@
//-------------------------------------------------------------------------
// Endian Manipulation macros
#if (__BYTE_ORDER == __LITTLE_ENDIAN)
#define le64_to_cpu(__x) __x
#define le32_to_cpu(__x) __x
#define le16_to_cpu(__x) __x
#define be16_to_cpu(__x) ((uint16_t)( \
(((uint16_t)(__x) & (uint16_t)0x00ff) << 8) | \
(((uint16_t)(__x) & (uint16_t)0xff00) >> 8) ))
#define be32_to_cpu(__x) ((uint32_t)( \
(((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
(((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
(((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
(((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) ))
#define be64_to_cpu(__x) ((uint64_t)( \
(((uint64_t)(__x) & (uint64_t)0x00000000000000ffULL) << 56) | \
(((uint64_t)(__x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
(((uint64_t)(__x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
(((uint64_t)(__x) & (uint64_t)0x00000000ff000000ULL) << 8) | \
(((uint64_t)(__x) & (uint64_t)0x000000ff00000000ULL) >> 8) | \
(((uint64_t)(__x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \
(((uint64_t)(__x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56) ))
#define be16_to_cpu(__x) __builtin_bswap16(__x)
#define be32_to_cpu(__x) __builtin_bswap32(__x)
#define be64_to_cpu(__x) __builtin_bswap64(__x)
#else
#define le16_to_cpu(__x) ((uint16_t)( \
(((uint16_t)(__x) & (uint16_t)0x00ff) << 8) | \
(((uint16_t)(__x) & (uint16_t)0xff00) >> 8) ))
#define le32_to_cpu(__x) ((uint32_t)( \
(((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
(((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
(((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
(((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) ))
#define le64_to_cpu(__x) ((uint64_t)( \
(((uint64_t)(__x) & (uint64_t)0x00000000000000ffULL) << 56) | \
(((uint64_t)(__x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
(((uint64_t)(__x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
(((uint64_t)(__x) & (uint64_t)0x00000000ff000000ULL) << 8) | \
(((uint64_t)(__x) & (uint64_t)0x000000ff00000000ULL) >> 8) | \
(((uint64_t)(__x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \
(((uint64_t)(__x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56)))
#define le16_to_cpu(__x) __builtin_bswap16(__x)
#define le32_to_cpu(__x) __builtin_bswap32(__x)
#define le64_to_cpu(__x) __builtin_bswap64(__x)
#define be64_to_cpu(__x) __x
#define be32_to_cpu(__x) __x
#define be16_to_cpu(__x) __x

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