RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2025-02-07 07:13:20 +00:00
Code Issues Projects Releases Wiki Activity

ARM: ac3: update ff_ac3_extract_exponents_neon per 8b7b2d6

Browse Source 
Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2011-07-02 18:24:13 +01:00
parent 8aa63f0b31
commit 5dd045ebc1
1 changed files with 1 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
libavcodec/arm/ac3dsp_neon.S
View File

@ -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