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Linshizhi
ffmpeg.wasm-core
Commits
5dd045eb
Commit
5dd045eb
authored
Jul 02, 2011
by
Mans Rullgard
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ARM: ac3: update ff_ac3_extract_exponents_neon per
8b7b2d6a
Signed-off-by:
Mans Rullgard
<
mans@mansr.com
>
parent
8aa63f0b
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ac3dsp_neon.S
libavcodec/arm/ac3dsp_neon.S
+1
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libavcodec/arm/ac3dsp_neon.S
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5dd045eb
...
@@ -95,19 +95,14 @@ function ff_float_to_fixed24_neon, export=1
...
@@ -95,19 +95,14 @@ function ff_float_to_fixed24_neon, export=1
endfunc
endfunc
function ff_ac3_extract_exponents_neon, export=1
function ff_ac3_extract_exponents_neon, export=1
vmov.i32 q14, #24
vmov.i32 q15, #8
vmov.i32 q15, #8
1:
1:
vld1.32 {q0}, [r1,:128]
vld1.32 {q0}, [r1,:128]
!
vabs.s32 q1, q0
vabs.s32 q1, q0
vclz.i32 q3, q1
vclz.i32 q3, q1
vsub.i32 q3, q3, q15
vsub.i32 q3, q3, q15
vcge.s32 q2, q3, q14
vbit q3, q14, q2
vbic q0, q0, q2
vmovn.i32 d6, q3
vmovn.i32 d6, q3
vmovn.i16 d6, q3
vmovn.i16 d6, q3
vst1.32 {q0}, [r1,:128]!
vst1.32 {d6[0]}, [r0,:32]!
vst1.32 {d6[0]}, [r0,:32]!
subs r2, r2, #4
subs r2, r2, #4
bgt 1b
bgt 1b
...
...
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