Fix MaskBool initialization on SSE

Fixes #255
VcDevel · Sep 3, 2021 · b84dcd0 · b84dcd0
1 parent 811e2ee
commit b84dcd0
Show file tree

Hide file tree

Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/Vc/sse/mask.h b/Vc/sse/mask.h
@@ -222,7 +222,7 @@ template <typename T> class Mask<T, VectorAbi::Sse>
     friend reference;
     static Vc_INTRINSIC Vc_PURE value_type get(const Mask &m, int i) noexcept
     {
-        return MaskBool(m.d.m(i));
+        return m.toInt() & (1 << i);
     }
     template <typename U>
     static Vc_INTRINSIC void set(Mask &m, int i,

diff --git a/tests/mask.cpp b/tests/mask.cpp
@@ -478,6 +478,17 @@ TEST_TYPES(V, testCompareOperators, AllVectors) /*{{{*/
         VERIFY(!(k2 != k2)) << k << k2;
     }
 }
+
+TEST_TYPES(V, testMaskDefined, AllVectors)
+{
+    V a(1);
+    V b(2);
+    auto r = a < b;
+    auto s = a > b;
+    VERIFY(r[0] == true);
+    VERIFY(s[0] == false);
+}
+
 /*}}}*/
 
 // vim: foldmethod=marker