1 files changed, 47 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/ppc/bitdepth_conversion_vsx.h b/media/libvpx/libvpx/vpx_dsp/ppc/bitdepth_conversion_vsx.h
new file mode 100644
index 0000000000..7ac873f9fc
--- /dev/null
+++ b/media/libvpx/libvpx/vpx_dsp/ppc/bitdepth_conversion_vsx.h
@@ -0,0 +1,47 @@
+/*
+ *  Copyright (c) 2017 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VPX_VPX_DSP_PPC_BITDEPTH_CONVERSION_VSX_H_
+#define VPX_VPX_DSP_PPC_BITDEPTH_CONVERSION_VSX_H_
+
+#include "./vpx_config.h"
+#include "vpx/vpx_integer.h"
+#include "vpx_dsp/vpx_dsp_common.h"
+#include "vpx_dsp/ppc/types_vsx.h"
+
+// Load 8 16 bit values. If the source is 32 bits then pack down with
+// saturation.
+static INLINE int16x8_t load_tran_low(int32_t c, const tran_low_t *s) {
+#if CONFIG_VP9_HIGHBITDEPTH
+  int32x4_t u = vec_vsx_ld(c, s);
+  int32x4_t v = vec_vsx_ld(c, s + 4);
+  return vec_packs(u, v);
+#else
+  return vec_vsx_ld(c, s);
+#endif
+}
+
+// Store 8 16 bit values. If the destination is 32 bits then sign extend the
+// values by multiplying by 1.
+static INLINE void store_tran_low(int16x8_t v, int32_t c, tran_low_t *s) {
+#if CONFIG_VP9_HIGHBITDEPTH
+  const int16x8_t one = vec_splat_s16(1);
+  const int32x4_t even = vec_mule(v, one);
+  const int32x4_t odd = vec_mulo(v, one);
+  const int32x4_t high = vec_mergeh(even, odd);
+  const int32x4_t low = vec_mergel(even, odd);
+  vec_vsx_st(high, c, s);
+  vec_vsx_st(low, c, s + 4);
+#else
+  vec_vsx_st(v, c, s);
+#endif
+}
+
+#endif  // VPX_VPX_DSP_PPC_BITDEPTH_CONVERSION_VSX_H_