1 files changed, 48 insertions, 0 deletions
diff --git a/meson/test cases/common/147 simd/simd_ssse3.c b/meson/test cases/common/147 simd/simd_ssse3.c
new file mode 100644
index 000000000..fa557f4c1
--- /dev/null
+++ b/meson/test cases/common/147 simd/simd_ssse3.c
@@ -0,0 +1,48 @@
+#include<simdconfig.h>
+#include<simdfuncs.h>
+
+#include<emmintrin.h>
+#include<tmmintrin.h>
+
+#ifdef _MSC_VER
+#include<intrin.h>
+
+int ssse3_available(void) {
+  return 1;
+}
+
+#else
+
+#include<cpuid.h>
+#include<stdint.h>
+
+int ssse3_available(void) {
+#ifdef __APPLE__
+    return 1;
+#elif defined(__clang__)
+    /* https://github.com/numpy/numpy/issues/8130 */
+    return __builtin_cpu_supports("sse4.1");
+#else
+    return __builtin_cpu_supports("ssse3");
+#endif
+}
+
+#endif
+
+void increment_ssse3(float arr[4]) {
+    ALIGN_16 double darr[4];
+    __m128d val1 = _mm_set_pd(arr[0], arr[1]);
+    __m128d val2 = _mm_set_pd(arr[2], arr[3]);
+    __m128d one = _mm_set_pd(1.0, 1.0);
+    __m128d result = _mm_add_pd(val1, one);
+    __m128i tmp1, tmp2;
+    tmp1 = tmp2 = _mm_set1_epi16(0);
+    _mm_store_pd(darr, result);
+    result = _mm_add_pd(val2, one);
+    _mm_store_pd(&darr[2], result);
+    tmp1 = _mm_hadd_epi32(tmp1, tmp2); /* This does nothing. Only here so we use an SSSE3 instruction. */
+    arr[0] = (float)darr[1];
+    arr[1] = (float)darr[0];
+    arr[2] = (float)darr[3];
+    arr[3] = (float)darr[2];
+}