[FFmpeg-cvslog] x86: hevc_deblock: remove unnecessary masking

[Christophe Gisquet]

ffmpeg | branch: master | Christophe Gisquet <christophe.gisquet at gmail.com> | Wed Jul 23 23:21:20 2014 +0200| [e8c003edd259feabacef0884ea8a47b22f7cac49] | committer: Michael Niedermayer

x86: hevc_deblock: remove unnecessary masking

The unpacks/shuffles later on makes it unnecessary.

Before:
1508 decicycles in h, 2096759 runs, 393 skips
2512 decicycles in v, 2095422 runs, 1730 skips

After:
1477 decicycles in h, 2096745 runs, 407 skips
2484 decicycles in v, 2095297 runs, 1855 skips

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e8c003edd259feabacef0884ea8a47b22f7cac49
---

 libavcodec/x86/hevc_deblock.asm |    4 ----
 1 file changed, 4 deletions(-)

diff --git a/libavcodec/x86/hevc_deblock.asm b/libavcodec/x86/hevc_deblock.asm
index 89c0f9b..7fa0803 100644
--- a/libavcodec/x86/hevc_deblock.asm
+++ b/libavcodec/x86/hevc_deblock.asm
@@ -355,19 +355,15 @@ ALIGN 16
     psrld            m8, 16
     paddw            m8, m10
     movd            r7d, m8
-    and              r7, 0xffff; 1dp0 + 1dp3
     pshufd           m8, m8, 0x4E
     movd            r8d, m8
-    and              r8, 0xffff; 0dp0 + 0dp3
 
     pshufd           m8, m11, 0x31
     psrld            m8, 16
     paddw            m8, m11
     movd            r9d, m8
-    and              r9, 0xffff; 1dq0 + 1dq3
     pshufd           m8, m8, 0x4E
     movd           r10d, m8
-    and             r10, 0xffff; 0dq0 + 0dq3
     ; end calc for weak filter
 
     ; filtering mask