From 6d3e3678b4816345e2d33f9c73d6ffdb1fbbb4bc Mon Sep 17 00:00:00 2001
From: Charles Schlosser <charless@vt.edu>
Date: Tue, 13 Dec 2022 01:22:25 +0000
Subject: [PATCH] optimize equalspace packetop

---
 Eigen/src/Core/functors/NullaryFunctors.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Eigen/src/Core/functors/NullaryFunctors.h b/Eigen/src/Core/functors/NullaryFunctors.h
index f18974b27..4943d8756 100644
--- a/Eigen/src/Core/functors/NullaryFunctors.h
+++ b/Eigen/src/Core/functors/NullaryFunctors.h
@@ -161,8 +161,8 @@ struct equalspaced_op {
     const Packet cst_lin0 = plset<Packet>(Scalar(0));
     const Packet cst_offset = pmadd(cst_lin0, cst_step, cst_start);
 
-    Packet istep = pset1<Packet>(static_cast<Scalar>(i) * m_step);
-    return padd(cst_offset, istep);
+    Packet i_packet = pset1<Packet>(static_cast<Scalar>(i));
+    return pmadd(i_packet, cst_step, cst_offset);
   }
   const Scalar m_start;
   const Scalar m_step;