commit 9c3aed9d48d7dbc0f88d2fb92ca232dcbf0d402e
author Gael Guennebaud <g.gael@free.fr> Thu Dec 14 14:24:33 2017 +0100
committer Gael Guennebaud <g.gael@free.fr> Thu Dec 14 14:24:33 2017 +0100
tree f82ec866759e39ea90ec36bc4834f757fdab6a60
parent 76c7dae600efc26a6fda212be518b804f101244f

Fix packet and alignment propagation logic of Block<Xpr> expressions. In particular, (A+B).col(j) lost vectorisation.

test/vectorization_logic.cpp

diff --git a/test/vectorization_logic.cpp b/test/vectorization_logic.cpp
index 83c1439..37e7495 100644
--- a/test/vectorization_logic.cpp
+++ b/test/vectorization_logic.cpp
@@ -207,6 +207,12 @@
     VERIFY(test_redux(Vector1(),
       LinearVectorizedTraversal,CompleteUnrolling));
 
+    VERIFY(test_redux(Vector1().array()*Vector1().array(),
+      LinearVectorizedTraversal,CompleteUnrolling));
+
+    VERIFY(test_redux((Vector1().array()*Vector1().array()).col(0),
+      LinearVectorizedTraversal,CompleteUnrolling));
+
     VERIFY(test_redux(Matrix<Scalar,PacketSize,3>(),
       LinearVectorizedTraversal,CompleteUnrolling));