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Handle various TODOs in SSE vectorization (remove splitted storeu, enable SSE3 integer vectorization, plus minor tweaks)

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This commit is contained in:
Gael Guennebaud
2015-10-06 15:43:27 +02:00
parent 2d287a4898
commit 2c676ddb40
2 changed files with 14 additions and 42 deletions
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4
Eigen/src/Core/arch/SSE/Complex.h
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@@ -67,7 +67,6 @@ template<> EIGEN_STRONG_INLINE Packet2cf pconj(const Packet2cf& a)
template<> EIGEN_STRONG_INLINE Packet2cf pmul<Packet2cf>(const Packet2cf& a, const Packet2cf& b)
{
// TODO optimize it for SSE3 and 4
#ifdef EIGEN_VECTORIZE_SSE3
return Packet2cf(_mm_addsub_ps(_mm_mul_ps(_mm_moveldup_ps(a.v), b.v),
_mm_mul_ps(_mm_movehdup_ps(a.v),
@@ -310,9 +309,8 @@ template<> EIGEN_STRONG_INLINE Packet1cd pconj(const Packet1cd& a)
template<> EIGEN_STRONG_INLINE Packet1cd pmul<Packet1cd>(const Packet1cd& a, const Packet1cd& b)
{
// TODO optimize it for SSE3 and 4
#ifdef EIGEN_VECTORIZE_SSE3
return Packet1cd(_mm_addsub_pd(_mm_mul_pd(vec2d_swizzle1(a.v, 0, 0), b.v),
return Packet1cd(_mm_addsub_pd(_mm_mul_pd(_mm_movedup_pd(a.v), b.v),
_mm_mul_pd(vec2d_swizzle1(a.v, 1, 1),
vec2d_swizzle1(b.v, 1, 0))));
#else