1 files changed, 29 insertions, 6 deletions
diff --git a/indra/llcommon/llmemory.h b/indra/llcommon/llmemory.h
index 1c6f64dd8b..117268cfe7 100644
--- a/indra/llcommon/llmemory.h
+++ b/indra/llcommon/llmemory.h
@@ -32,14 +32,37 @@
 #ifndef LLMEMORY_H
 #define LLMEMORY_H
 
+#include <stdlib.h>
 
+inline void* ll_aligned_malloc_16(size_t size) // returned hunk MUST be freed with ll_aligned_free().
+{
+#if defined(LL_WINDOWS)
+	return _mm_malloc(size, 16);
+#elif defined(LL_DARWIN)
+	return malloc(size); // default osx malloc is 16 byte aligned.
+#else
+	void *rtn;
+	if (LL_LIKELY(0 == posix_memalign(&rtn, 16, size)))
+	{
+		return rtn;
+	}
+	else // bad alignment requested, or out of memory
+	{
+		return NULL;
+	}
+#endif
+}
 
-extern S32 gTotalDAlloc;
-extern S32 gTotalDAUse;
-extern S32 gDACount;
-
-extern void* ll_allocate (size_t size);
-extern void ll_release (void *p);
+inline void ll_aligned_free_16(void *p)
+{
+#if defined(LL_WINDOWS)
+	_mm_free(p);
+#elif defined(LL_DARWIN)
+	return free(p);
+#else
+	free(p); // posix_memalign() is compatible with heap deallocator
+#endif
+}
 
 class LL_COMMON_API LLMemory
 {