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Added AVX bitCount optimization

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This commit is contained in:
Christophe Riccio 2016-05-30 14:39:43 +02:00
parent 52f8ecd973
commit 1bbc2935a2
1 changed files with 21 additions and 0 deletions
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21
glm/detail/func_integer_simd.inl
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@ -1,9 +1,30 @@
/// @ref core
/// @file glm/detail/func_integer_simd.inl
#include "../simd/integer.h"
#if GLM_ARCH & GLM_ARCH_SSE2_BIT
namespace glm{
namespace detail
{
}//namespace detail
# if GLM_ARCH & GLM_ARCH_AVX_BIT
template <>
GLM_FUNC_QUALIFIER int bitCount(uint32 x)
{
return _mm_popcnt_u32(x);
}
template <>
GLM_FUNC_QUALIFIER int bitCount(uint64 x)
{
return _mm_popcnt_u64(x);
}
# endif
}//namespace glm
#endif//GLM_ARCH & GLM_ARCH_SSE2_BIT