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Pulled the latest changes from the trunk
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@@ -22,9 +22,9 @@ namespace internal {
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#define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS (2*sizeof(void*))
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#endif
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#ifdef EIGEN_VECTORIZE_FMA
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#ifndef EIGEN_HAS_FUSED_MADD
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#define EIGEN_HAS_FUSED_MADD 1
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#ifdef __FMA__
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#ifndef EIGEN_HAS_SINGLE_INSTRUCTION_MADD
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#define EIGEN_HAS_SINGLE_INSTRUCTION_MADD
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#endif
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#endif
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@@ -137,7 +137,7 @@ template<> EIGEN_STRONG_INLINE Packet8i pdiv<Packet8i>(const Packet8i& /*a*/, co
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#ifdef EIGEN_VECTORIZE_FMA
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template<> EIGEN_STRONG_INLINE Packet8f pmadd(const Packet8f& a, const Packet8f& b, const Packet8f& c) {
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#if defined(__clang__) || defined(__GNUC__)
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#if EIGEN_COMP_GNUC || EIGEN_COMP_CLANG
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// clang stupidly generates a vfmadd213ps instruction plus some vmovaps on registers,
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// and gcc stupidly generates a vfmadd132ps instruction,
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// so let's enforce it to generate a vfmadd231ps instruction since the most common use case is to accumulate
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@@ -150,7 +150,7 @@ template<> EIGEN_STRONG_INLINE Packet8f pmadd(const Packet8f& a, const Packet8f&
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#endif
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}
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template<> EIGEN_STRONG_INLINE Packet4d pmadd(const Packet4d& a, const Packet4d& b, const Packet4d& c) {
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#if defined(__clang__) || defined(__GNUC__)
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#if EIGEN_COMP_GNUC || EIGEN_COMP_CLANG
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// see above
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Packet4d res = c;
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__asm__("vfmadd231pd %[a], %[b], %[c]" : [c] "+x" (res) : [a] "x" (a), [b] "x" (b));
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