dsp.h: collect gcc/clang version test macros
endian_inl.h already relies on dsp.h, grab the definitions from there. Change-Id: I445f7d0631723043c55da1070498f89965bec7b1
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@ -32,9 +32,19 @@ extern "C" {
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# define LOCAL_GCC_PREREQ(maj, min) \
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(LOCAL_GCC_VERSION >= (((maj) << 8) | (min)))
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#else
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# define LOCAL_GCC_VERSION 0
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# define LOCAL_GCC_PREREQ(maj, min) 0
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#endif
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#ifdef __clang__
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# define LOCAL_CLANG_VERSION ((__clang_major__ << 8) | __clang_minor__)
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# define LOCAL_CLANG_PREREQ(maj, min) \
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(LOCAL_CLANG_VERSION >= (((maj) << 8) | (min)))
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#else
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# define LOCAL_CLANG_VERSION 0
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# define LOCAL_CLANG_PREREQ(maj, min) 0
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#endif // __clang__
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#if defined(_MSC_VER) && _MSC_VER > 1310 && \
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(defined(_M_X64) || defined(_M_IX86))
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#define WEBP_MSC_SSE2 // Visual C++ SSE2 targets
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@ -35,25 +35,13 @@
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#endif
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#if !defined(HAVE_CONFIG_H)
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#ifdef __GNUC__
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# define LOCAL_GCC_VERSION ((__GNUC__ << 8) | __GNUC_MINOR__)
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#else
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# define LOCAL_GCC_VERSION 0
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#endif // __GNUC__
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#ifdef __clang__
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# define LOCAL_CLANG_VERSION ((__clang_major__ << 8) | __clang_minor__)
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#else
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# define LOCAL_CLANG_VERSION 0
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#endif // __clang__
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// clang-3.3 and gcc-4.3 have builtin functions for swap32/swap64
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#if LOCAL_GCC_VERSION >= 0x403 || LOCAL_CLANG_VERSION >= 0x303
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#if LOCAL_GCC_PREREQ(4,3) || LOCAL_CLANG_PREREQ(3,3)
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#define HAVE_BUILTIN_BSWAP32
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#define HAVE_BUILTIN_BSWAP64
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#endif
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// clang-3.3 and gcc-4.8 have a builtin function for swap16
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#if LOCAL_GCC_VERSION >= 0x408 || LOCAL_CLANG_VERSION >= 0x303
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#if LOCAL_GCC_PREREQ(4,8) || LOCAL_CLANG_PREREQ(3,3)
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#define HAVE_BUILTIN_BSWAP16
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#endif
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#endif // !HAVE_CONFIG_H
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