From 35f0bc70d80f0a9f380bd60fa39e15880e24335d Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Tue, 20 Jul 2010 22:43:55 +0200
Subject: [PATCH] fix a strict aliasing issue with gcc 4.3

---
 Eigen/src/Core/arch/SSE/Complex.h | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/Eigen/src/Core/arch/SSE/Complex.h b/Eigen/src/Core/arch/SSE/Complex.h
index 8c0fd9a7f..036b72d3e 100644
--- a/Eigen/src/Core/arch/SSE/Complex.h
+++ b/Eigen/src/Core/arch/SSE/Complex.h
@@ -309,12 +309,9 @@ template<> EIGEN_STRONG_INLINE void ei_prefetch<std::complex<double> >(const std
 
 template<> EIGEN_STRONG_INLINE std::complex<double>  ei_pfirst<Packet1cd>(const Packet1cd& a)
 {
-//   EIGEN_ALIGN16 double res[2];
-//   _mm_store_pd(res, a.v);
-//   return *(std::complex<double>*)res;
-  EIGEN_ALIGN16 std::complex<double> res;
-  ei_pstore(&res, a);
-  return res;
+  EIGEN_ALIGN16 double res[2];
+  _mm_store_pd(res, a.v);
+  return *(std::complex<double>*)res;
 }
 
 template<> EIGEN_STRONG_INLINE Packet1cd ei_preverse(const Packet1cd& a) { return a; }