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Fixed warning

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This commit is contained in:
Christophe Riccio 2015-02-13 23:24:12 +01:00
parent 72691336c7
commit d33974afa6
1 changed files with 6 additions and 6 deletions
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12
glm/detail/intrinsic_common.inl
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@ -301,13 +301,13 @@ GLM_FUNC_QUALIFIER __m128 sse_ssp_ps(__m128 edge0, __m128 edge1, __m128 x)
// By Elan Ruskin, http://assemblyrequired.crashworks.org/ // By Elan Ruskin, http://assemblyrequired.crashworks.org/
GLM_FUNC_QUALIFIER __m128 sse_sqrt_wip_ss(__m128 const & x) GLM_FUNC_QUALIFIER __m128 sse_sqrt_wip_ss(__m128 const & x)
{ {
__m128 recip = _mm_rsqrt_ss(x); // "estimate" opcode __m128 const recip = _mm_rsqrt_ss(x); // "estimate" opcode
const static __m128 three = {3, 3, 3, 3}; // aligned consts for fast load __m128 const half = _mm_set_ps1(0.5f);
const static __m128 half = {0.5,0.5,0.5,0.5}; __m128 const halfrecip = _mm_mul_ss(half, recip);
__m128 halfrecip = _mm_mul_ss(half, recip); __m128 const threeminus_xrr = _mm_sub_ss(three, _mm_mul_ss(x, _mm_mul_ss (recip, recip)));
__m128 threeminus_xrr = _mm_sub_ss(three, _mm_mul_ss(x, _mm_mul_ss (recip, recip))); return _mm_mul_ss(halfrecip, threeminus_xrr);
return _mm_mul_ss( halfrecip, threeminus_xrr);
} }
}//namespace detail }//namespace detail
}//namespace glms }//namespace glms