[FFmpeg-cvslog] ARM: add ARMv6 optimised av_clip_uintp2

[Mans Rullgard]

ffmpeg | branch: master | Mans Rullgard <mans at mansr.com> | Tue May 24 15:46:28 2011 +0100| [ca7d8256e32e4dbafadc54a65b441945ac759ca9] | committer: Mans Rullgard

ARM: add ARMv6 optimised av_clip_uintp2

Signed-off-by: Mans Rullgard <mans at mansr.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ca7d8256e32e4dbafadc54a65b441945ac759ca9
---

 libavutil/arm/intmath.h |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/libavutil/arm/intmath.h b/libavutil/arm/intmath.h
index 5f85bfa..cc3de90 100644
--- a/libavutil/arm/intmath.h
+++ b/libavutil/arm/intmath.h
@@ -74,6 +74,15 @@ static av_always_inline av_const int16_t av_clip_int16_arm(int a)
     return x;
 }
 
+#define av_clip_uintp2 av_clip_uintp2_arm
+static av_always_inline av_const unsigned av_clip_uintp2_arm(int a, int p)
+{
+    unsigned x;
+    __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
+    return x;
+}
+
+
 #else /* HAVE_ARMV6 */
 
 #define FASTDIV FASTDIV