mkvenc: Write TrackTimecodeScale

[ffmpeg] / libavcodec / ppc / mathops.h

diff --git a/libavcodec/ppc/mathops.h b/libavcodec/ppc/mathops.h
index 8c0eab01f1de6756fda9a8155308d43dd60aac21..dbd714fcd4fb4973f2b1f6af230a3241c9ea4af1 100644 (file)
--- a/libavcodec/ppc/mathops.h
+++ b/libavcodec/ppc/mathops.h
@@ -23,6 +23,10 @@
 #ifndef AVCODEC_PPC_MATHOPS_H
 #define AVCODEC_PPC_MATHOPS_H
 
+#include <stdint.h>
+#include "config.h"
+#include "libavutil/common.h"
+
 #if HAVE_PPC4XX
 /* signed 16x16 -> 32 multiply add accumulate */
 #define MAC16(rt, ra, rb) \
@@ -35,4 +39,41 @@
     __rt; })
 #endif
 
+#define MULH MULH
+static inline av_const int MULH(int a, int b){
+    int r;
+    __asm__ ("mulhw %0, %1, %2" : "=r"(r) : "r"(a), "r"(b));
+    return r;
+}
+
+#if !ARCH_PPC64
+static inline av_const int64_t MAC64(int64_t d, int a, int b)
+{
+    union { uint64_t x; unsigned hl[2]; } x = { d };
+    int h, l;
+    __asm__ ("mullw %3, %4, %5   \n\t"
+             "mulhw %2, %4, %5   \n\t"
+             "addc  %1, %1, %3   \n\t"
+             "adde  %0, %0, %2   \n\t"
+             : "+r"(x.hl[0]), "+r"(x.hl[1]), "=&r"(h), "=&r"(l)
+             : "r"(a), "r"(b));
+    return x.x;
+}
+#define MAC64(d, a, b) ((d) = MAC64(d, a, b))
+
+static inline av_const int64_t MLS64(int64_t d, int a, int b)
+{
+    union { uint64_t x; unsigned hl[2]; } x = { d };
+    int h, l;
+    __asm__ ("mullw %3, %4, %5   \n\t"
+             "mulhw %2, %4, %5   \n\t"
+             "subfc %1, %3, %1   \n\t"
+             "subfe %0, %2, %0   \n\t"
+             : "+r"(x.hl[0]), "+r"(x.hl[1]), "=&r"(h), "=&r"(l)
+             : "r"(a), "r"(b));
+    return x.x;
+}
+#define MLS64(d, a, b) ((d) = MLS64(d, a, b))
+#endif
+
 #endif /* AVCODEC_PPC_MATHOPS_H */