ppc: Add and use convenience macro to check for AltiVec availability

1 files changed, 28 insertions, 0 deletions

diff --git a/libavutil/ppc/cpu.h b/libavutil/ppc/cpu.h
new file mode 100644
index 0000000000..f8fae58698
--- /dev/null
+++ b/libavutil/ppc/cpu.h
@@ -0,0 +1,28 @@
+/*
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVUTIL_PPC_CPU_H
+#define AVUTIL_PPC_CPU_H
+
+#include "config.h"
+#include "libavutil/cpu.h"
+#include "libavutil/cpu_internal.h"
+
+#define PPC_ALTIVEC(flags) CPUEXT(flags, ALTIVEC)
+
+#endif /* AVUTIL_PPC_CPU_H */