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add vectorization of unary operator-() (the AltiVec version is probably

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broken)
This commit is contained in:
Gael Guennebaud
2009-03-20 10:03:24 +00:00
parent 4bb5221d22
commit fbf415c547
5 changed files with 40 additions and 1 deletions
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15
Eigen/src/Core/arch/SSE/PacketMath.h
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@@ -61,6 +61,21 @@ template<> EIGEN_STRONG_INLINE __m128 ei_psub<__m128>(const __m128& a, const _
template<> EIGEN_STRONG_INLINE __m128d ei_psub<__m128d>(const __m128d& a, const __m128d& b) { return _mm_sub_pd(a,b); }
template<> EIGEN_STRONG_INLINE __m128i ei_psub<__m128i>(const __m128i& a, const __m128i& b) { return _mm_sub_epi32(a,b); }
template<> EIGEN_STRONG_INLINE __m128 ei_pnegate(const __m128& a)
{
const __m128 mask = _mm_castsi128_ps(_mm_setr_epi32(0x80000000,0x80000000,0x80000000,0x80000000));
return _mm_xor_ps(a,mask);
}
template<> EIGEN_STRONG_INLINE __m128d ei_pnegate(const __m128d& a)
{
const __m128d mask = _mm_castsi128_pd(_mm_setr_epi32(0x0,0x80000000,0x0,0x80000000));
return _mm_xor_pd(a,mask);
}
template<> EIGEN_STRONG_INLINE __m128i ei_pnegate(const __m128i& a)
{
return ei_psub(_mm_setr_epi32(0,0,0,0), a);
}
template<> EIGEN_STRONG_INLINE __m128 ei_pmul<__m128>(const __m128& a, const __m128& b) { return _mm_mul_ps(a,b); }
template<> EIGEN_STRONG_INLINE __m128d ei_pmul<__m128d>(const __m128d& a, const __m128d& b) { return _mm_mul_pd(a,b); }
template<> EIGEN_STRONG_INLINE __m128i ei_pmul<__m128i>(const __m128i& a, const __m128i& b)