1 files changed, 80 insertions, 0 deletions
diff --git a/libfreerdp/primitives/prim_shift_opt.c b/libfreerdp/primitives/prim_shift_opt.c
new file mode 100644
index 0000000..9ac9533
--- /dev/null
+++ b/libfreerdp/primitives/prim_shift_opt.c
@@ -0,0 +1,80 @@
+/* FreeRDP: A Remote Desktop Protocol Client
+ * Shift operations.
+ * vi:ts=4 sw=4:
+ *
+ * (c) Copyright 2012 Hewlett-Packard Development Company, L.P.
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License. You may obtain
+ * a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+#include <freerdp/config.h>
+
+#include <freerdp/types.h>
+#include <freerdp/primitives.h>
+#include <winpr/sysinfo.h>
+
+#ifdef WITH_SSE2
+#include <emmintrin.h>
+#include <pmmintrin.h>
+#endif /* WITH_SSE2 */
+
+#ifdef WITH_IPP
+#include <ipps.h>
+#endif /* WITH_IPP */
+
+#include "prim_internal.h"
+#include "prim_templates.h"
+
+static primitives_t* generic = NULL;
+
+#ifdef WITH_SSE2
+#if !defined(WITH_IPP) || defined(ALL_PRIMITIVES_VERSIONS)
+/* ------------------------------------------------------------------------- */
+SSE3_SCD_ROUTINE(sse2_lShiftC_16s, INT16, generic->lShiftC_16s, _mm_slli_epi16,
+                 *dptr++ = (INT16)((UINT16)*sptr++ << val))
+/* ------------------------------------------------------------------------- */
+SSE3_SCD_ROUTINE(sse2_rShiftC_16s, INT16, generic->rShiftC_16s, _mm_srai_epi16,
+                 *dptr++ = *sptr++ >> val)
+/* ------------------------------------------------------------------------- */
+SSE3_SCD_ROUTINE(sse2_lShiftC_16u, UINT16, generic->lShiftC_16u, _mm_slli_epi16,
+                 *dptr++ = (INT16)((UINT16)*sptr++ << val))
+/* ------------------------------------------------------------------------- */
+SSE3_SCD_ROUTINE(sse2_rShiftC_16u, UINT16, generic->rShiftC_16u, _mm_srli_epi16,
+                 *dptr++ = *sptr++ >> val)
+#endif /* !defined(WITH_IPP) || defined(ALL_PRIMITIVES_VERSIONS) */
+#endif
+
+/* Note: the IPP version will have to call ippLShiftC_16s or ippRShiftC_16s
+ * depending on the sign of val.  To avoid using the deprecated inplace
+ * routines, a wrapper can use the src for the dest.
+ */
+
+/* ------------------------------------------------------------------------- */
+void primitives_init_shift_opt(primitives_t* WINPR_RESTRICT prims)
+{
+	generic = primitives_get_generic();
+	primitives_init_shift(prims);
+#if defined(WITH_IPP)
+	prims->lShiftC_16s = ippsLShiftC_16s;
+	prims->rShiftC_16s = ippsRShiftC_16s;
+	prims->lShiftC_16u = ippsLShiftC_16u;
+	prims->rShiftC_16u = ippsRShiftC_16u;
+#elif defined(WITH_SSE2)
+
+	if (IsProcessorFeaturePresent(PF_SSE2_INSTRUCTIONS_AVAILABLE) &&
+	    IsProcessorFeaturePresent(PF_SSE3_INSTRUCTIONS_AVAILABLE))
+	{
+		prims->lShiftC_16s = sse2_lShiftC_16s;
+		prims->rShiftC_16s = sse2_rShiftC_16s;
+		prims->lShiftC_16u = sse2_lShiftC_16u;
+		prims->rShiftC_16u = sse2_rShiftC_16u;
+	}
+
+#endif
+}