x86: Add detection of the AES and SHA New Instructions

The AES instructions were first introduced with the Westmere shrink
(22nm) of the Nehalem architecture. The SHA instructions are still
pending on Intel architecture, but is available on AMD family 17h (gcc
argument -march=znver1).

Both features operate on SSE registers, so that's why the MSVC command-
line argument is the SSE2 one and the configure-time tests depend on
features.sse2.

The qmake feature names end in "ni" because "aes" and "sha" are too
simple and could clash with other uses. The QT_COMPILER_SUPPORTS_ macro
doesn't have the "NI" suffix because it has to match the GCC/Clang
predefined macro.

Change-Id: I445bb15619f6401494e8fffd149dbd1f862ff51c
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

4 files changed, 105 insertions, 0 deletions

diff --git a/config.tests/common/aesni/aesni.cpp b/config.tests/common/aesni/aesni.cpp
new file mode 100644
index 0000000000..a177183c72
--- /dev/null
+++ b/config.tests/common/aesni/aesni.cpp
@@ -0,0 +1,49 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 Intel Corporation.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the config.tests of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <wmmintrin.h>
+
+int main(int, char**)
+{
+    __m128i a = _mm_setzero_si128();
+    __m128i b = _mm_aesenc_si128(a, a);
+    __m128i c = _mm_aesdec_si128(a, b);
+    (void)c;
+    return 0;
+}
diff --git a/config.tests/common/aesni/aesni.pro b/config.tests/common/aesni/aesni.pro
new file mode 100644
index 0000000000..49cb132ef7
--- /dev/null
+++ b/config.tests/common/aesni/aesni.pro
@@ -0,0 +1,3 @@
+SOURCES = aesni.cpp
+!defined(QMAKE_CFLAGS_AESNI, "var"): error("This compiler does not support AES New Instructions")
+else: QMAKE_CXXFLAGS += $$QMAKE_CFLAGS_AESNI
diff --git a/config.tests/common/shani/shani.cpp b/config.tests/common/shani/shani.cpp
new file mode 100644
index 0000000000..0fe6e87dd8
--- /dev/null
+++ b/config.tests/common/shani/shani.cpp
@@ -0,0 +1,50 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 Intel Corporation.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the config.tests of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <immintrin.h>
+
+int main(int, char**)
+{
+    __m128i a = _mm_setzero_si128();
+    __m128i b = _mm_sha1rnds4_epu32(a, a, 0);
+    __m128i c = _mm_sha1msg1_epu32(a, b);
+    __m128i d = _mm_sha256msg2_epu32(b, c);
+    (void)d;
+    return 0;
+}
diff --git a/config.tests/common/shani/shani.pro b/config.tests/common/shani/shani.pro
new file mode 100644
index 0000000000..278f49ef90
--- /dev/null
+++ b/config.tests/common/shani/shani.pro
@@ -0,0 +1,3 @@
+SOURCES = shani.cpp
+!defined(QMAKE_CFLAGS_SHANI, "var"): error("This compiler does not support Secure Hash Algorithm extensions")
+else: QMAKE_CXXFLAGS += $$QMAKE_CFLAGS_SHANI