From ad452e575d577420de250312b6917bf1123b89f0 Mon Sep 17 00:00:00 2001
From: Chip Kerchner <chip.kerchner@ibm.com>
Date: Thu, 18 Apr 2024 14:55:15 +0000
Subject: [PATCH] Fix compilation problems with PacketI on PowerPC.

---
 Eigen/src/Core/arch/AltiVec/PacketMath.h        | 17 +++++++++++++++++
 .../arch/Default/GenericPacketMathFunctions.h   |  3 ++-
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/Eigen/src/Core/arch/AltiVec/PacketMath.h b/Eigen/src/Core/arch/AltiVec/PacketMath.h
index 6a2f0e646..06901df1a 100644
--- a/Eigen/src/Core/arch/AltiVec/PacketMath.h
+++ b/Eigen/src/Core/arch/AltiVec/PacketMath.h
@@ -3201,6 +3201,7 @@ struct packet_traits<double> : default_packet_traits {
 template <>
 struct unpacket_traits<Packet2d> {
   typedef double type;
+  typedef Packet2l integer_packet;
   enum {
     size = 2,
     alignment = Aligned16,
@@ -3210,6 +3211,17 @@ struct unpacket_traits<Packet2d> {
   };
   typedef Packet2d half;
 };
+template <>
+struct unpacket_traits<Packet2l> {
+  typedef int64_t type;
+  enum {
+    size = 2,
+    alignment = Aligned16,
+    vectorizable = true,
+    masked_load_available = false,
+    masked_store_available = false
+  };
+};
 
 inline std::ostream& operator<<(std::ostream& s, const Packet2l& v) {
   union {
@@ -3259,6 +3271,11 @@ EIGEN_STRONG_INLINE Packet2d pset1<Packet2d>(const double& from) {
   Packet2d v = {from, from};
   return v;
 }
+template <>
+EIGEN_STRONG_INLINE Packet2l pset1<Packet2l>(const int64_t& from) {
+  Packet2l v = {from, from};
+  return v;
+}
 
 template <>
 EIGEN_STRONG_INLINE Packet2d pset1frombits<Packet2d>(unsigned long from) {
diff --git a/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h b/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h
index 1a700a205..4ee035de8 100644
--- a/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h
+++ b/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h
@@ -741,6 +741,7 @@ EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
     Packet
     psincos_double(const Packet& x) {
   typedef typename unpacket_traits<Packet>::integer_packet PacketI;
+  typedef typename unpacket_traits<PacketI>::type ScalarI;
 
   const Packet cst_sign_mask = pset1frombits<Packet>(static_cast<Eigen::numext::uint64_t>(0x8000000000000000u));
 
@@ -751,7 +752,7 @@ EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
 
   const Packet cst_2oPI = pset1<Packet>(0.63661977236758134307553505349006);  // 2/PI
   // Integer Packet constants
-  const PacketI cst_one = pset1<PacketI>(1);
+  const PacketI cst_one = pset1<PacketI>(ScalarI(1));
   // Constant for splitting
   const Packet cst_split = pset1<Packet>(1 << 24);