[FFmpeg-cvslog] ARM: ac3: update ff_ac3_extract_exponents_neon per 8b7b2d6

Mans Rullgard git at videolan.org
Sun Jul 3 03:20:25 CEST 2011


ffmpeg | branch: master | Mans Rullgard <mans at mansr.com> | Sat Jul  2 18:24:13 2011 +0100| [5dd045ebc11933dca4d6af06e6b1e62be56802f7] | committer: Mans Rullgard

ARM: ac3: update ff_ac3_extract_exponents_neon per 8b7b2d6

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5dd045ebc11933dca4d6af06e6b1e62be56802f7
---

 libavcodec/arm/ac3dsp_neon.S |    7 +------
 1 files changed, 1 insertions(+), 6 deletions(-)

diff --git a/libavcodec/arm/ac3dsp_neon.S b/libavcodec/arm/ac3dsp_neon.S
index fdf1dea..e97197c 100644
--- a/libavcodec/arm/ac3dsp_neon.S
+++ b/libavcodec/arm/ac3dsp_neon.S
@@ -95,19 +95,14 @@ function ff_float_to_fixed24_neon, export=1
 endfunc
 
 function ff_ac3_extract_exponents_neon, export=1
-        vmov.i32        q14, #24
         vmov.i32        q15, #8
 1:
-        vld1.32         {q0},     [r1,:128]
+        vld1.32         {q0},     [r1,:128]!
         vabs.s32        q1,  q0
         vclz.i32        q3,  q1
         vsub.i32        q3,  q3,  q15
-        vcge.s32        q2,  q3,  q14
-        vbit            q3,  q14, q2
-        vbic            q0,  q0,  q2
         vmovn.i32       d6,  q3
         vmovn.i16       d6,  q3
-        vst1.32         {q0},     [r1,:128]!
         vst1.32         {d6[0]},  [r0,:32]!
         subs            r2,  r2,  #4
         bgt             1b



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