* be found in the AUTHORS file in the root of the source tree.
*/
-
#ifndef VPX_PORTS_MEM_H_
#define VPX_PORTS_MEM_H_
#include "vpx/vpx_integer.h"
#if (defined(__GNUC__) && __GNUC__) || defined(__SUNPRO_C)
-#define DECLARE_ALIGNED(n,typ,val) typ val __attribute__ ((aligned (n)))
+#define DECLARE_ALIGNED(n, typ, val) typ val __attribute__((aligned(n)))
#elif defined(_MSC_VER)
-#define DECLARE_ALIGNED(n,typ,val) __declspec(align(n)) typ val
+#define DECLARE_ALIGNED(n, typ, val) __declspec(align(n)) typ val
#else
#warning No alignment directives known for this compiler.
-#define DECLARE_ALIGNED(n,typ,val) typ val
+#define DECLARE_ALIGNED(n, typ, val) typ val
#endif
+
+#if HAVE_NEON && defined(_MSC_VER)
+#define __builtin_prefetch(x)
#endif
+/* Shift down with rounding */
+#define ROUND_POWER_OF_TWO(value, n) (((value) + (1 << ((n)-1))) >> (n))
+#define ROUND64_POWER_OF_TWO(value, n) (((value) + (1ULL << ((n)-1))) >> (n))
-/* Declare an aligned array on the stack, for situations where the stack
- * pointer may not have the alignment we expect. Creates an array with a
- * modified name, then defines val to be a pointer, and aligns that pointer
- * within the array.
- */
-#define DECLARE_ALIGNED_ARRAY(a,typ,val,n)\
- typ val##_[(n)+(a)/sizeof(typ)+1];\
- typ *val = (typ*)((((intptr_t)val##_)+(a)-1)&((intptr_t)-(a)))
+#define ALIGN_POWER_OF_TWO(value, n) \
+ (((value) + ((1 << (n)) - 1)) & ~((1 << (n)) - 1))
+#define CONVERT_TO_SHORTPTR(x) ((uint16_t *)(((uintptr_t)(x)) << 1))
+#define CAST_TO_SHORTPTR(x) ((uint16_t *)((uintptr_t)(x)))
+#if CONFIG_VP9_HIGHBITDEPTH
+#define CONVERT_TO_BYTEPTR(x) ((uint8_t *)(((uintptr_t)(x)) >> 1))
+#define CAST_TO_BYTEPTR(x) ((uint8_t *)((uintptr_t)(x)))
+#endif // CONFIG_VP9_HIGHBITDEPTH
-/* Indicates that the usage of the specified variable has been audited to assure
- * that it's safe to use uninitialized. Silences 'may be used uninitialized'
- * warnings on gcc.
- */
-#if defined(__GNUC__) && __GNUC__
-#define UNINITIALIZED_IS_SAFE(x) x=x
+#if !defined(__has_feature)
+#define __has_feature(x) 0
+#endif // !defined(__has_feature)
+
+#if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
+#define VPX_WITH_ASAN 1
#else
-#define UNINITIALIZED_IS_SAFE(x) x
+#define VPX_WITH_ASAN 0
+#endif // __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
+
#endif // VPX_PORTS_MEM_H_