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@ -51,86 +51,6 @@ |
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* @{ |
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*/ |
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#if FF_API_DECLARE_ALIGNED |
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/**
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* |
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* @defgroup lavu_mem_macros Alignment Macros |
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* Helper macros for declaring aligned variables. |
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* @{ |
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*/ |
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/**
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* @def DECLARE_ALIGNED(n,t,v) |
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* Declare a variable that is aligned in memory. |
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* |
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* @code{.c} |
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* DECLARE_ALIGNED(16, uint16_t, aligned_int) = 42; |
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* DECLARE_ALIGNED(32, uint8_t, aligned_array)[128]; |
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* |
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* // The default-alignment equivalent would be
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* uint16_t aligned_int = 42; |
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* uint8_t aligned_array[128]; |
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* @endcode |
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* |
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* @param n Minimum alignment in bytes |
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* @param t Type of the variable (or array element) |
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* @param v Name of the variable |
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*/ |
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/**
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* @def DECLARE_ASM_ALIGNED(n,t,v) |
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* Declare an aligned variable appropriate for use in inline assembly code. |
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* |
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* @code{.c} |
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* DECLARE_ASM_ALIGNED(16, uint64_t, pw_08) = UINT64_C(0x0008000800080008); |
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* @endcode |
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* |
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* @param n Minimum alignment in bytes |
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* @param t Type of the variable (or array element) |
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* @param v Name of the variable |
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*/ |
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/**
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* @def DECLARE_ASM_CONST(n,t,v) |
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* Declare a static constant aligned variable appropriate for use in inline |
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* assembly code. |
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* |
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* @code{.c} |
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* DECLARE_ASM_CONST(16, uint64_t, pw_08) = UINT64_C(0x0008000800080008); |
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* @endcode |
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* |
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* @param n Minimum alignment in bytes |
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* @param t Type of the variable (or array element) |
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* @param v Name of the variable |
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*/ |
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#if defined(__INTEL_COMPILER) && __INTEL_COMPILER < 1110 || defined(__SUNPRO_C) |
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#define DECLARE_ALIGNED(n,t,v) t __attribute__ ((aligned (n))) v |
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#define DECLARE_ASM_ALIGNED(n,t,v) t __attribute__ ((aligned (n))) v |
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#define DECLARE_ASM_CONST(n,t,v) const t __attribute__ ((aligned (n))) v |
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#elif defined(__DJGPP__) |
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#define DECLARE_ALIGNED(n,t,v) t __attribute__ ((aligned (FFMIN(n, 16)))) v |
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#define DECLARE_ASM_ALIGNED(n,t,v) t av_used __attribute__ ((aligned (FFMIN(n, 16)))) v |
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#define DECLARE_ASM_CONST(n,t,v) static const t av_used __attribute__ ((aligned (FFMIN(n, 16)))) v |
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#elif defined(__GNUC__) || defined(__clang__) |
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#define DECLARE_ALIGNED(n,t,v) t __attribute__ ((aligned (n))) v |
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#define DECLARE_ASM_ALIGNED(n,t,v) t av_used __attribute__ ((aligned (n))) v |
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#define DECLARE_ASM_CONST(n,t,v) static const t av_used __attribute__ ((aligned (n))) v |
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#elif defined(_MSC_VER) |
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#define DECLARE_ALIGNED(n,t,v) __declspec(align(n)) t v |
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#define DECLARE_ASM_ALIGNED(n,t,v) __declspec(align(n)) t v |
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#define DECLARE_ASM_CONST(n,t,v) __declspec(align(n)) static const t v |
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#else |
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#define DECLARE_ALIGNED(n,t,v) t v |
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#define DECLARE_ASM_ALIGNED(n,t,v) t v |
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#define DECLARE_ASM_CONST(n,t,v) static const t v |
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#endif |
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/**
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* @} |
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*/ |
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#endif |
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/**
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* @defgroup lavu_mem_attrs Function Attributes |
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* Function attributes applicable to memory handling functions. |
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