[FFmpeg-cvslog] aarch64: vp9itxfm: Move the load_add_store macro out from the itxfm16 pass2 function
Martin Storsjö
git at videolan.org
Sat Mar 11 13:53:20 EET 2017
ffmpeg | branch: master | Martin Storsjö <martin at martin.st> | Sun Feb 5 22:53:55 2017 +0200| [a681c793a30386d01d273ce86b3368311cffb511] | committer: Martin Storsjö
aarch64: vp9itxfm: Move the load_add_store macro out from the itxfm16 pass2 function
This allows reusing the macro for a separate implementation of the
pass2 function.
This is cherrypicked from libav commit
79d332ebbde8c0a3e9da094dcfd10abd33ba7378.
Signed-off-by: Martin Storsjö <martin at martin.st>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a681c793a30386d01d273ce86b3368311cffb511
---
libavcodec/aarch64/vp9itxfm_neon.S | 90 +++++++++++++++++++-------------------
1 file changed, 45 insertions(+), 45 deletions(-)
diff --git a/libavcodec/aarch64/vp9itxfm_neon.S b/libavcodec/aarch64/vp9itxfm_neon.S
index a37b459..e45d385 100644
--- a/libavcodec/aarch64/vp9itxfm_neon.S
+++ b/libavcodec/aarch64/vp9itxfm_neon.S
@@ -598,6 +598,51 @@ endfunc
st1 {v2.8h}, [\src], \inc
.endm
+.macro load_add_store coef0, coef1, coef2, coef3, coef4, coef5, coef6, coef7, tmp1, tmp2
+ srshr \coef0, \coef0, #6
+ ld1 {v2.8b}, [x0], x1
+ srshr \coef1, \coef1, #6
+ ld1 {v3.8b}, [x3], x1
+ srshr \coef2, \coef2, #6
+ ld1 {v4.8b}, [x0], x1
+ srshr \coef3, \coef3, #6
+ uaddw \coef0, \coef0, v2.8b
+ ld1 {v5.8b}, [x3], x1
+ uaddw \coef1, \coef1, v3.8b
+ srshr \coef4, \coef4, #6
+ ld1 {v6.8b}, [x0], x1
+ srshr \coef5, \coef5, #6
+ ld1 {v7.8b}, [x3], x1
+ sqxtun v2.8b, \coef0
+ srshr \coef6, \coef6, #6
+ sqxtun v3.8b, \coef1
+ srshr \coef7, \coef7, #6
+ uaddw \coef2, \coef2, v4.8b
+ ld1 {\tmp1}, [x0], x1
+ uaddw \coef3, \coef3, v5.8b
+ ld1 {\tmp2}, [x3], x1
+ sqxtun v4.8b, \coef2
+ sub x0, x0, x1, lsl #2
+ sub x3, x3, x1, lsl #2
+ sqxtun v5.8b, \coef3
+ uaddw \coef4, \coef4, v6.8b
+ st1 {v2.8b}, [x0], x1
+ uaddw \coef5, \coef5, v7.8b
+ st1 {v3.8b}, [x3], x1
+ sqxtun v6.8b, \coef4
+ st1 {v4.8b}, [x0], x1
+ sqxtun v7.8b, \coef5
+ st1 {v5.8b}, [x3], x1
+ uaddw \coef6, \coef6, \tmp1
+ st1 {v6.8b}, [x0], x1
+ uaddw \coef7, \coef7, \tmp2
+ st1 {v7.8b}, [x3], x1
+ sqxtun \tmp1, \coef6
+ sqxtun \tmp2, \coef7
+ st1 {\tmp1}, [x0], x1
+ st1 {\tmp2}, [x3], x1
+.endm
+
// Read a vertical 8x16 slice out of a 16x16 matrix, do a transform on it,
// transpose into a horizontal 16x8 slice and store.
// x0 = dst (temp buffer)
@@ -671,53 +716,8 @@ function \txfm\()16_1d_8x16_pass2_neon
lsl x1, x1, #1
bl \txfm\()16
-.macro load_add_store coef0, coef1, coef2, coef3, coef4, coef5, coef6, coef7, tmp1, tmp2
- srshr \coef0, \coef0, #6
- ld1 {v2.8b}, [x0], x1
- srshr \coef1, \coef1, #6
- ld1 {v3.8b}, [x3], x1
- srshr \coef2, \coef2, #6
- ld1 {v4.8b}, [x0], x1
- srshr \coef3, \coef3, #6
- uaddw \coef0, \coef0, v2.8b
- ld1 {v5.8b}, [x3], x1
- uaddw \coef1, \coef1, v3.8b
- srshr \coef4, \coef4, #6
- ld1 {v6.8b}, [x0], x1
- srshr \coef5, \coef5, #6
- ld1 {v7.8b}, [x3], x1
- sqxtun v2.8b, \coef0
- srshr \coef6, \coef6, #6
- sqxtun v3.8b, \coef1
- srshr \coef7, \coef7, #6
- uaddw \coef2, \coef2, v4.8b
- ld1 {\tmp1}, [x0], x1
- uaddw \coef3, \coef3, v5.8b
- ld1 {\tmp2}, [x3], x1
- sqxtun v4.8b, \coef2
- sub x0, x0, x1, lsl #2
- sub x3, x3, x1, lsl #2
- sqxtun v5.8b, \coef3
- uaddw \coef4, \coef4, v6.8b
- st1 {v2.8b}, [x0], x1
- uaddw \coef5, \coef5, v7.8b
- st1 {v3.8b}, [x3], x1
- sqxtun v6.8b, \coef4
- st1 {v4.8b}, [x0], x1
- sqxtun v7.8b, \coef5
- st1 {v5.8b}, [x3], x1
- uaddw \coef6, \coef6, \tmp1
- st1 {v6.8b}, [x0], x1
- uaddw \coef7, \coef7, \tmp2
- st1 {v7.8b}, [x3], x1
- sqxtun \tmp1, \coef6
- sqxtun \tmp2, \coef7
- st1 {\tmp1}, [x0], x1
- st1 {\tmp2}, [x3], x1
-.endm
load_add_store v16.8h, v17.8h, v18.8h, v19.8h, v20.8h, v21.8h, v22.8h, v23.8h, v16.8b, v17.8b
load_add_store v24.8h, v25.8h, v26.8h, v27.8h, v28.8h, v29.8h, v30.8h, v31.8h, v16.8b, v17.8b
-.purgem load_add_store
br x14
endfunc
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