text: /// @ref core
  /// @file glm/detail/func_integer_simd.inl
  
  #include "../simd/integer.h"
  
  #if GLM_ARCH & GLM_ARCH_SSE2_BIT
  
  namespace glm{
  namespace detail
  {
  	template<glm::precision P>
  	struct compute_bitfieldReverseStep<4, uint32, P, vec, true, true>
  	{
  		GLM_FUNC_QUALIFIER static vec<4, uint32, P> call(vec<4, uint32, P> const& v, uint32 Mask, uint32 Shift)
  		{
  			__m128i const set0 = v.data;
  
  			__m128i const set1 = _mm_set1_epi32(static_cast<int>(Mask));
  			__m128i const and1 = _mm_and_si128(set0, set1);
  			__m128i const sft1 = _mm_slli_epi32(and1, Shift);
  
  			__m128i const set2 = _mm_andnot_si128(set0, _mm_set1_epi32(-1));
  			__m128i const and2 = _mm_and_si128(set0, set2);
  			__m128i const sft2 = _mm_srai_epi32(and2, Shift);
  		
  			__m128i const or0 = _mm_or_si128(sft1, sft2);
  		
  			return or0;
  		}
  	};
  
  	template<glm::precision P>
  	struct compute_bitfieldBitCountStep<4, uint32, P, vec, true, true>
  	{
  		GLM_FUNC_QUALIFIER static vec<4, uint32, P> call(vec<4, uint32, P> const& v, uint32 Mask, uint32 Shift)
  		{
  			__m128i const set0 = v.data;
  
  			__m128i const set1 = _mm_set1_epi32(static_cast<int>(Mask));
  			__m128i const and0 = _mm_and_si128(set0, set1);
  			__m128i const sft0 = _mm_slli_epi32(set0, Shift);
  			__m128i const and1 = _mm_and_si128(sft0, set1);
  			__m128i const add0 = _mm_add_epi32(and0, and1);
  		
  			return add0;
  		}
  	};
  }//namespace detail
  
  #	if GLM_ARCH & GLM_ARCH_AVX_BIT
  	template<>
  	GLM_FUNC_QUALIFIER int bitCount(uint32 x)
  	{
  		return _mm_popcnt_u32(x);
  	}
  
  #	if(GLM_MODEL == GLM_MODEL_64)
  	template<>
  	GLM_FUNC_QUALIFIER int bitCount(uint64 x)
  	{
  		return static_cast<int>(_mm_popcnt_u64(x));
  	}
  #	endif//GLM_MODEL
  #	endif//GLM_ARCH
  
  }//namespace glm
  
  #endif//GLM_ARCH & GLM_ARCH_SSE2_BIT
  