Fix SSE2 cpuid checks

As per afb62b0e96 swing the actual
check into a separate file and make only that file be compiled
with the specific flag.

Change-Id: If848a041fc3a26cfaa79f945d63f6c43f8cf3772
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/103497
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>

tools/CppunitTest_tools_test.mk

@@ -33,6 +33,7 @@ $(eval $(call gb_CppunitTest_add_exception_objects,tools_test, \
     tools/qa/cppunit/test_GenericTypeSerializer \
     tools/qa/cppunit/test_cpuid \
     tools/qa/cppunit/test_cpu_runtime_detection_AVX2 \
+    tools/qa/cppunit/test_cpu_runtime_detection_SSE2 \
     tools/qa/cppunit/test_cpu_runtime_detection_SSSE3 \
 ))
 
@@ -41,7 +42,7 @@ $(eval $(call gb_CppunitTest_add_exception_objects,tools_test,\
 ))
 
 $(eval $(call gb_CppunitTest_add_exception_objects,tools_test,\
-    tools/qa/cppunit/test_cpu_runtime_detection_SSE2, $(CXXFLAGS_INTRINSICS_SSE2) \
+    tools/qa/cppunit/test_cpu_runtime_detection_SSE2_check, $(CXXFLAGS_INTRINSICS_SSE2) \
 ))
 
 $(eval $(call gb_CppunitTest_add_exception_objects,tools_test,\

tools/qa/cppunit/test_cpu_runtime_detection_SSE2.cxx

@@ -9,7 +9,7 @@
 
 #include <tools/simdsupport.hxx>
 
-#ifdef LO_SSE2_AVAILABLE
+#include "test_cpu_runtime_detection_x86_checks.hxx"
 
 #include <cppunit/TestAssert.h>
 #include <cppunit/TestFixture.h>
@@ -23,7 +23,6 @@ namespace
 class CpuRuntimeDetection_SSE2 : public CppUnit::TestFixture
 {
 public:
-    void checkSSE2();
     void testCpuRuntimeDetection();
 
     CPPUNIT_TEST_SUITE(CpuRuntimeDetection_SSE2);
@@ -33,26 +32,13 @@ public:
 
 void CpuRuntimeDetection_SSE2::testCpuRuntimeDetection()
 {
-    // can only run if this function if CPU supports SSE2
+    // can only run this function if CPU supports SSE2
     if (cpuid::isCpuInstructionSetSupported(cpuid::InstructionSetFlags::SSE2))
-        checkSSE2();
+        CpuRuntimeDetectionX86Checks::checkSSE2();
-}
-
-void CpuRuntimeDetection_SSE2::checkSSE2()
-{
-    // Try some SSE2 intrinsics calculation
-    __m128i a = _mm_set1_epi32(15);
-    __m128i b = _mm_set1_epi32(15);
-    __m128i c = _mm_xor_si128(a, b);
-
-    // Check zero
-    CPPUNIT_ASSERT_EQUAL(0xFFFF, _mm_movemask_epi8(_mm_cmpeq_epi32(c, _mm_setzero_si128())));
 }
 
 CPPUNIT_TEST_SUITE_REGISTRATION(CpuRuntimeDetection_SSE2);
 
 } // end anonymous namespace
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

tools/qa/cppunit/test_cpu_runtime_detection_SSE2_check.cxx

@@ -0,0 +1,35 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <sal/types.h>
+#include <tools/simdsupport.hxx>
+
+#include <cppunit/TestAssert.h>
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+#include <cppunit/plugin/TestPlugIn.h>
+
+#include <tools/cpuid.hxx>
+
+#include "test_cpu_runtime_detection_x86_checks.hxx"
+
+void CpuRuntimeDetectionX86Checks::checkSSE2()
+{
+#ifdef LO_SSE2_AVAILABLE
+    // Try some SSE2 intrinsics calculation
+    __m128i a = _mm_set1_epi32(15);
+    __m128i b = _mm_set1_epi32(15);
+    __m128i c = _mm_xor_si128(a, b);
+
+    // Check zero
+    CPPUNIT_ASSERT_EQUAL(0xFFFF, _mm_movemask_epi8(_mm_cmpeq_epi32(c, _mm_setzero_si128())));
+#endif
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

tools/qa/cppunit/test_cpu_runtime_detection_x86_checks.hxx

@@ -14,6 +14,7 @@ class CpuRuntimeDetectionX86Checks
 {
 public:
     static void checkAVX2();
+    static void checkSSE2();
     static void checkSSSE3();
 };