ref: 60869f8ad97f43b2bcb9eb82fbdf28dc77678c95
parent: d12418b3fbe4431aef922a7ab6ff9dd3a97155f1
author: Luca Barbato <lu_zero@gentoo.org>
date: Wed Jul 17 15:27:49 EDT 2019
vsx: Add shorter types and unpack helpers
--- /dev/null
+++ b/src/ppc/types.h
@@ -1,0 +1,52 @@
+/*
+ * Copyright © 2019, VideoLAN and dav1d authors
+ * Copyright © 2019, Luca Barbato
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef DAV1D_SRC_PPC_TYPES_H
+#define DAV1D_SRC_PPC_TYPES_H
+
+#include <altivec.h>
+#undef pixel
+
+#define u8x16 vector unsigned char
+#define i8x16 vector signed char
+#define b8x16 vector bool char
+#define u16x8 vector unsigned short
+#define i16x8 vector signed short
+#define b16x8 vector bool short
+#define u32x4 vector unsigned int
+#define i32x4 vector signed int
+#define b32x4 vector bool int
+#define u64x2 vector unsigned long long
+#define i64x2 vector signed long long
+#define b64x2 vector bool long long
+
+#define u8h_to_u16(v) ((u16x8) vec_mergeh((u8x16) v, vec_splat_u8(0)))
+#define u8l_to_u16(v) ((u16x8) vec_mergel((u8x16) v, vec_splat_u8(0)))
+#define u16h_to_i32(v) ((i32x4) vec_mergeh((u16x8) v, vec_splat_u16(0)))
+#define u16l_to_i32(v) ((i32x4) vec_mergel((u16x8) v, vec_splat_u16(0)))
+
+#endif /* DAV1D_SRC_PPC_TYPES_H */