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authorJJ Linden <jj@lindenlab.com>2013-10-10 16:44:22 -0700
committerJJ Linden <jj@lindenlab.com>2013-10-10 16:44:22 -0700
commitdc431ea6d2e4e13ab505b8118d6f9220630efe96 (patch)
tree8c37de1ca61cf29e3d1863ce08d34acff666e9ab /indra/llmath/llvector4a.cpp
parent3aea5a5a6ab0e6d96fe581a9bab9896956129ba3 (diff)
parentf7158bc5afcec1da8b9d2d5a4ed86921e62d4959 (diff)
merged in recent changes
Diffstat (limited to 'indra/llmath/llvector4a.cpp')
-rwxr-xr-xindra/llmath/llvector4a.cpp50
1 files changed, 1 insertions, 49 deletions
diff --git a/indra/llmath/llvector4a.cpp b/indra/llmath/llvector4a.cpp
index 6edeb0fefe..570fa41a43 100755
--- a/indra/llmath/llvector4a.cpp
+++ b/indra/llmath/llvector4a.cpp
@@ -41,55 +41,7 @@ extern const LLVector4a LL_V4A_EPSILON = reinterpret_cast<const LLVector4a&> ( F
/*static */void LLVector4a::memcpyNonAliased16(F32* __restrict dst, const F32* __restrict src, size_t bytes)
{
- assert(src != NULL);
- assert(dst != NULL);
- assert(bytes > 0);
- assert((bytes % sizeof(F32))== 0);
- ll_assert_aligned(src,16);
- ll_assert_aligned(dst,16);
- assert(bytes%16==0);
-
- F32* end = dst + (bytes / sizeof(F32) );
-
- if (bytes > 64)
- {
- F32* begin_64 = LL_NEXT_ALIGNED_ADDRESS_64(dst);
-
- //at least 64 (16*4) bytes before the end of the destination, switch to 16 byte copies
- F32* end_64 = end-16;
-
- _mm_prefetch((char*)begin_64, _MM_HINT_NTA);
- _mm_prefetch((char*)begin_64 + 64, _MM_HINT_NTA);
- _mm_prefetch((char*)begin_64 + 128, _MM_HINT_NTA);
- _mm_prefetch((char*)begin_64 + 192, _MM_HINT_NTA);
-
- while (dst < begin_64)
- {
- copy4a(dst, src);
- dst += 4;
- src += 4;
- }
-
- while (dst < end_64)
- {
- _mm_prefetch((char*)src + 512, _MM_HINT_NTA);
- _mm_prefetch((char*)dst + 512, _MM_HINT_NTA);
- copy4a(dst, src);
- copy4a(dst+4, src+4);
- copy4a(dst+8, src+8);
- copy4a(dst+12, src+12);
-
- dst += 16;
- src += 16;
- }
- }
-
- while (dst < end)
- {
- copy4a(dst, src);
- dst += 4;
- src += 4;
- }
+ ll_memcpy_nonaliased_aligned_16((char*)dst, (char*)src, bytes);
}
void LLVector4a::setRotated( const LLRotation& rot, const LLVector4a& vec )