From ab8725d947766b13ccddca6eb64d252e30580ae2 Mon Sep 17 00:00:00 2001
From: Chip Kerchner <chip.kerchner@ibm.com>
Date: Fri, 27 Jan 2023 18:28:54 +0000
Subject: [PATCH] Turn off vectorize version of rsqrt - doesn't match generic
 version

---
 Eigen/src/Core/arch/AltiVec/PacketMath.h | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/Eigen/src/Core/arch/AltiVec/PacketMath.h b/Eigen/src/Core/arch/AltiVec/PacketMath.h
index b4546d615..96ca9d655 100644
--- a/Eigen/src/Core/arch/AltiVec/PacketMath.h
+++ b/Eigen/src/Core/arch/AltiVec/PacketMath.h
@@ -175,11 +175,6 @@ struct packet_traits<float> : default_packet_traits {
     HasExp = 1,
 #ifdef EIGEN_VECTORIZE_VSX
     HasSqrt = 1,
-#if !EIGEN_COMP_CLANG
-    HasRsqrt = 1,
-#else
-    HasRsqrt = 0,
-#endif
     HasTanh = EIGEN_FAST_MATH,
     HasErf = EIGEN_FAST_MATH,
     HasRint = 1,
@@ -220,11 +215,6 @@ struct packet_traits<bfloat16> : default_packet_traits {
     HasExp = 1,
 #ifdef EIGEN_VECTORIZE_VSX
     HasSqrt = 1,
-#if !EIGEN_COMP_CLANG
-    HasRsqrt = 1,
-#else
-    HasRsqrt = 0,
-#endif
     HasRint = 1,
 #else
     HasSqrt = 0,
@@ -2710,7 +2700,7 @@ template<> struct packet_traits<double> : default_packet_traits
     HasLog  = 0,
     HasExp  = 1,
     HasSqrt = 1,
-    HasRsqrt = 1,
+    HasRsqrt = 0,
     HasRound = 1,
     HasFloor = 1,
     HasCeil = 1,