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authorShiyou Yin <yinshiyou-hf@loongson.cn>2019-01-21 18:10:24 +0800
committerMichael Niedermayer <michael@niedermayer.cc>2019-01-22 00:46:36 +0100
commit6d1916481137a9608d95fc3aa8f3d874b7aaea3c (patch)
tree04914f3e1ea9a920e5d1d262c063e4502fa1b663 /libavutil/mips
parent8133921ad2d80b8b2fe4e0bf6e0abd40afe3e235 (diff)
downloadffmpeg-6d1916481137a9608d95fc3aa8f3d874b7aaea3c.tar.gz
avcodec/mips: [loongson] optimize put_hevc_qpel_hv_8 with mmi.
Optimize put_hevc_qpel_hv_8 with mmi in the case width=4/8/12/16/24/32/48/64. This optimization improved HEVC decoding performance 11%(1.81x to 2.01x, tested on loongson 3A3000). Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavutil/mips')
-rw-r--r--libavutil/mips/mmiutils.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/libavutil/mips/mmiutils.h b/libavutil/mips/mmiutils.h
index 76b1199ab9..5fc1908ee3 100644
--- a/libavutil/mips/mmiutils.h
+++ b/libavutil/mips/mmiutils.h
@@ -251,6 +251,15 @@
);
/**
+ * brief: Transpose 2X2 word packaged data.
+ * fr_i0, fr_i1: src
+ * fr_o0, fr_o1: dst
+ */
+#define TRANSPOSE_2W(fr_i0, fr_i1, fr_o0, fr_o1) \
+ "punpcklwd "#fr_o0", "#fr_i0", "#fr_i1" \n\t" \
+ "punpckhwd "#fr_o1", "#fr_i0", "#fr_i1" \n\t"
+
+/**
* brief: Transpose 4X4 half word packaged data.
* fr_i0, fr_i1, fr_i2, fr_i3: src & dst
* fr_t0, fr_t1, fr_t2, fr_t3: temporary register