wehub-resource-sync
39 lines
1.6 KiB
Diff
39 lines
1.6 KiB
Diff
diff --git a/Eigen/src/Core/arch/SSE/Complex.h b/Eigen/src/Core/arch/SSE/Complex.h
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index f6f1b8c9f..7558e8c70 100644
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--- a/Eigen/src/Core/arch/SSE/Complex.h
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+++ b/Eigen/src/Core/arch/SSE/Complex.h
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@@ -17,7 +17,7 @@ namespace internal {
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//---------- float ----------
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struct Packet2cf
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{
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- EIGEN_STRONG_INLINE Packet2cf() {}
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+ EIGEN_STRONG_INLINE Packet2cf() :v(_mm_setzero_ps()) {}
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EIGEN_STRONG_INLINE explicit Packet2cf(const __m128& a) : v(a) {}
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__m128 v;
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};
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@@ -113,19 +113,13 @@ template<> EIGEN_STRONG_INLINE Packet2cf ploadu<Packet2cf>(const std::complex<fl
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template<> EIGEN_STRONG_INLINE Packet2cf pset1<Packet2cf>(const std::complex<float>& from)
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{
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Packet2cf res;
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-#if EIGEN_GNUC_AT_MOST(4,2)
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- // Workaround annoying "may be used uninitialized in this function" warning with gcc 4.2
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- res.v = _mm_loadl_pi(_mm_set1_ps(0.0f), reinterpret_cast<const __m64*>(&from));
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-#elif EIGEN_GNUC_AT_LEAST(4,6)
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- // Suppress annoying "may be used uninitialized in this function" warning with gcc >= 4.6
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- #pragma GCC diagnostic push
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- #pragma GCC diagnostic ignored "-Wuninitialized"
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- res.v = _mm_loadl_pi(res.v, (const __m64*)&from);
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- #pragma GCC diagnostic pop
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+#ifdef EIGEN_VECTORIZE_SSE3
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+ res.v = _mm_castpd_ps(_mm_loaddup_pd(reinterpret_cast<double const*>(&from)));
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#else
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- res.v = _mm_loadl_pi(res.v, (const __m64*)&from);
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+ res.v = _mm_castpd_ps(_mm_load_sd(reinterpret_cast<double const*>(&from)));
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+ res.v = _mm_movelh_ps(res.v, res.v);
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#endif
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- return Packet2cf(_mm_movelh_ps(res.v,res.v));
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+ return res;
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}
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template<> EIGEN_STRONG_INLINE Packet2cf ploaddup<Packet2cf>(const std::complex<float>* from) { return pset1<Packet2cf>(*from); }
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