From 225ab040e078b923ece75b7a49ae0cef980c226f Mon Sep 17 00:00:00 2001
From: Rasmus Munk Larsen <rmlarsen@google.com>
Date: Thu, 7 May 2020 17:14:26 -0700
Subject: Remove unused packet op "palign". Clean up a compiler warning in
 c++03 mode in AVX512/Complex.h.

---
 Eigen/src/Core/arch/AVX512/Complex.h    | 22 +---------------
 Eigen/src/Core/arch/AVX512/PacketMath.h | 46 ---------------------------------
 2 files changed, 1 insertion(+), 67 deletions(-)

(limited to 'Eigen/src/Core/arch/AVX512')

diff --git a/Eigen/src/Core/arch/AVX512/Complex.h b/Eigen/src/Core/arch/AVX512/Complex.h
index 219de36db..75bdf57f1 100644
--- a/Eigen/src/Core/arch/AVX512/Complex.h
+++ b/Eigen/src/Core/arch/AVX512/Complex.h
@@ -153,16 +153,6 @@ EIGEN_STRONG_INLINE Packet4cf predux_half_dowto4<Packet8cf>(const Packet8cf& a)
   return Packet4cf(res);
 }
 
-template<int Offset>
-struct palign_impl<Offset,Packet8cf>
-{
-  static EIGEN_STRONG_INLINE void run(Packet8cf& first, const Packet8cf& second)
-  {
-    if (Offset==0) return;
-    palign_impl<Offset*2,Packet16f>::run(first.v, second.v);
-  }
-};
-
 template<> struct conj_helper<Packet8cf, Packet8cf, false,true>
 {
   EIGEN_STRONG_INLINE Packet8cf pmadd(const Packet8cf& x, const Packet8cf& y, const Packet8cf& c) const
@@ -239,7 +229,7 @@ template<> struct packet_traits<std::complex<double> >  : default_packet_traits
     HasAbs2   = 0,
     HasMin    = 0,
     HasMax    = 0,
-    HasSetLinear = 0,
+    HasSetLinear = 0
   };
 };
 
@@ -351,16 +341,6 @@ template<> EIGEN_STRONG_INLINE std::complex<double> predux_mul<Packet4cd>(const
                          Packet2cd(_mm512_extractf64x4_pd(a.v,1))));
 }
 
-template<int Offset>
-struct palign_impl<Offset,Packet4cd>
-{
-  static EIGEN_STRONG_INLINE void run(Packet4cd& first, const Packet4cd& second)
-  {
-    if (Offset==0) return;
-    palign_impl<Offset*2,Packet8d>::run(first.v, second.v);
-  }
-};
-
 template<> struct conj_helper<Packet4cd, Packet4cd, false,true>
 {
   EIGEN_STRONG_INLINE Packet4cd pmadd(const Packet4cd& x, const Packet4cd& y, const Packet4cd& c) const
diff --git a/Eigen/src/Core/arch/AVX512/PacketMath.h b/Eigen/src/Core/arch/AVX512/PacketMath.h
index 3a48ea028..346d1f06e 100644
--- a/Eigen/src/Core/arch/AVX512/PacketMath.h
+++ b/Eigen/src/Core/arch/AVX512/PacketMath.h
@@ -919,52 +919,6 @@ template<> EIGEN_STRONG_INLINE bool predux_any(const Packet16f& x)
   return !_mm512_kortestz(tmp,tmp);
 }
 
-template <int Offset>
-struct palign_impl<Offset, Packet16f> {
-  static EIGEN_STRONG_INLINE void run(Packet16f& first,
-                                      const Packet16f& second) {
-    if (Offset != 0) {
-      __m512i first_idx = _mm512_set_epi32(
-          Offset + 15, Offset + 14, Offset + 13, Offset + 12, Offset + 11,
-          Offset + 10, Offset + 9, Offset + 8, Offset + 7, Offset + 6,
-          Offset + 5, Offset + 4, Offset + 3, Offset + 2, Offset + 1, Offset);
-
-      __m512i second_idx =
-          _mm512_set_epi32(Offset - 1, Offset - 2, Offset - 3, Offset - 4,
-                           Offset - 5, Offset - 6, Offset - 7, Offset - 8,
-                           Offset - 9, Offset - 10, Offset - 11, Offset - 12,
-                           Offset - 13, Offset - 14, Offset - 15, Offset - 16);
-
-      unsigned short mask = 0xFFFF;
-      mask <<= (16 - Offset);
-
-      first = _mm512_permutexvar_ps(first_idx, first);
-      Packet16f tmp = _mm512_permutexvar_ps(second_idx, second);
-      first = _mm512_mask_blend_ps(mask, first, tmp);
-    }
-  }
-};
-template <int Offset>
-struct palign_impl<Offset, Packet8d> {
-  static EIGEN_STRONG_INLINE void run(Packet8d& first, const Packet8d& second) {
-    if (Offset != 0) {
-      __m512i first_idx = _mm512_set_epi32(
-          0, Offset + 7, 0, Offset + 6, 0, Offset + 5, 0, Offset + 4, 0,
-          Offset + 3, 0, Offset + 2, 0, Offset + 1, 0, Offset);
-
-      __m512i second_idx = _mm512_set_epi32(
-          0, Offset - 1, 0, Offset - 2, 0, Offset - 3, 0, Offset - 4, 0,
-          Offset - 5, 0, Offset - 6, 0, Offset - 7, 0, Offset - 8);
-
-      unsigned char mask = 0xFF;
-      mask <<= (8 - Offset);
-
-      first = _mm512_permutexvar_pd(first_idx, first);
-      Packet8d tmp = _mm512_permutexvar_pd(second_idx, second);
-      first = _mm512_mask_blend_pd(mask, first, tmp);
-    }
-  }
-};
 
 
 #define PACK_OUTPUT(OUTPUT, INPUT, INDEX, STRIDE) \
-- 
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