vectorclass-version2: add new package (#29400)

var/spack/repos/builtin/packages/vectorclass-version2/package.py

@@ -0,0 +1,22 @@
+# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class VectorclassVersion2(Package):
+    """This is a C++ class library for using the Single Instruction Multiple
+    Data (SIMD) instructions to improve performance on modern microprocessors
+    with the x86 or x86/64 instruction set on Windows, Linux, and Mac platforms."""
+
+    homepage = "https://www.agner.org/optimize/#vectorclass"
+    url      = "https://github.com/vectorclass/version2/archive/refs/tags/v2.01.04.tar.gz"
+
+    maintainers = ['haralmha']
+
+    version('2.01.04', sha256='7885c343b1af9eb940f4debdd7cd19544130a06ed70e0000e1a8471fb9c15118')
+
+    def install(self, spec, prefix):
+        install_tree('.', prefix)