diff options
Diffstat (limited to 'indra/llcommon/llmemory.h')
| -rw-r--r-- | indra/llcommon/llmemory.h | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/indra/llcommon/llmemory.h b/indra/llcommon/llmemory.h index e725bdd9fa..528af83b8f 100644 --- a/indra/llcommon/llmemory.h +++ b/indra/llcommon/llmemory.h @@ -36,19 +36,68 @@ class LLMutex ; #define LL_CHECK_MEMORY #endif +LL_COMMON_API void ll_assert_aligned_func(uintptr_t ptr,U32 alignment); + +#ifdef SHOW_ASSERT +#define ll_assert_aligned(ptr,alignment) ll_assert_aligned_func(reinterpret_cast<uintptr_t>(ptr),((U32)alignment)) +#else +#define ll_assert_aligned(ptr,alignment) +#endif + +#include <xmmintrin.h> + +template <typename T> T* LL_NEXT_ALIGNED_ADDRESS(T* address) +{ + return reinterpret_cast<T*>( + (reinterpret_cast<uintptr_t>(address) + 0xF) & ~0xF); +} + +template <typename T> T* LL_NEXT_ALIGNED_ADDRESS_64(T* address) +{ + return reinterpret_cast<T*>( + (reinterpret_cast<uintptr_t>(address) + 0x3F) & ~0x3F); +} + +#if LL_LINUX || LL_DARWIN + +#define LL_ALIGN_PREFIX(x) +#define LL_ALIGN_POSTFIX(x) __attribute__((aligned(x))) + +#elif LL_WINDOWS + +#define LL_ALIGN_PREFIX(x) __declspec(align(x)) +#define LL_ALIGN_POSTFIX(x) + +#else +#error "LL_ALIGN_PREFIX and LL_ALIGN_POSTFIX undefined" +#endif + +#define LL_ALIGN_16(var) LL_ALIGN_PREFIX(16) var LL_ALIGN_POSTFIX(16) + inline void* ll_aligned_malloc( size_t size, int align ) { +#if defined(LL_WINDOWS) + return _aligned_malloc(size, align); +#else void* mem = malloc( size + (align - 1) + sizeof(void*) ); char* aligned = ((char*)mem) + sizeof(void*); aligned += align - ((uintptr_t)aligned & (align - 1)); ((void**)aligned)[-1] = mem; return aligned; +#endif } inline void ll_aligned_free( void* ptr ) { - free( ((void**)ptr)[-1] ); +#if defined(LL_WINDOWS) + _aligned_free(ptr); +#else + if (ptr) + { + free( ((void**)ptr)[-1] ); + } +#endif } #if !LL_USE_TCMALLOC |