tools/qa/cppunit/test_cpu_runtime_detection_SSE2_check.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <tools/simdsupport.hxx>
  11
  12 #include <stdlib.h>
  13
  14 #include "test_cpu_runtime_detection_x86_checks.hxx"
  15
  16 /* WARNING: This file is compiled with SSE2 support, don't call
  17  * any function without checking cpuid to check the CPU can actually
  18  * handle it, and don't include any headers that contain templates
  19  * or inline functions, which includes cppunit.
  20  */
  21 #ifdef LO_SSE2_AVAILABLE
  22 #define CPPUNIT_ASSERT_EQUAL(a, b) ((a) == (b) ? (void)0 : abort())
  23 #endif
  24 void CpuRuntimeDetectionX86Checks::checkSSE2()
  25 {
  26 #ifdef LO_SSE2_AVAILABLE
  27     // Try some SSE2 intrinsics calculation
  28     __m128i a = _mm_set1_epi32(15);
  29     __m128i b = _mm_set1_epi32(15);
  30     __m128i c = _mm_xor_si128(a, b);
  31
  32     // Check zero
  33     CPPUNIT_ASSERT_EQUAL(0xFFFF, _mm_movemask_epi8(_mm_cmpeq_epi32(c, _mm_setzero_si128())));
  34 #endif
  35 }
  36
  37 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */