From d56668bd80075615b89aff652fe8a576bf853ceb Mon Sep 17 00:00:00 2001 From: "Ronald S. Bultje" Date: Sun, 20 Jan 2013 15:41:52 -0800 Subject: floatdsp: move scalarproduct_float from dsputil to avfloatdsp. This makes the aac decoder and all voice codecs independent of dsputil. --- libavutil/arm/float_dsp_init_neon.c | 3 +++ libavutil/arm/float_dsp_neon.S | 13 +++++++++++++ 2 files changed, 16 insertions(+) (limited to 'libavutil/arm') diff --git a/libavutil/arm/float_dsp_init_neon.c b/libavutil/arm/float_dsp_init_neon.c index b3644e82a2..a7245ad92b 100644 --- a/libavutil/arm/float_dsp_init_neon.c +++ b/libavutil/arm/float_dsp_init_neon.c @@ -43,6 +43,8 @@ void ff_vector_fmul_reverse_neon(float *dst, const float *src0, void ff_butterflies_float_neon(float *v1, float *v2, int len); +float ff_scalarproduct_float_neon(const float *v1, const float *v2, int len); + void ff_float_dsp_init_neon(AVFloatDSPContext *fdsp) { fdsp->vector_fmul = ff_vector_fmul_neon; @@ -52,4 +54,5 @@ void ff_float_dsp_init_neon(AVFloatDSPContext *fdsp) fdsp->vector_fmul_add = ff_vector_fmul_add_neon; fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_neon; fdsp->butterflies_float = ff_butterflies_float_neon; + fdsp->scalarproduct_float = ff_scalarproduct_float_neon; } diff --git a/libavutil/arm/float_dsp_neon.S b/libavutil/arm/float_dsp_neon.S index 4acc406d33..559b565628 100644 --- a/libavutil/arm/float_dsp_neon.S +++ b/libavutil/arm/float_dsp_neon.S @@ -256,3 +256,16 @@ function ff_butterflies_float_neon, export=1 bgt 1b bx lr endfunc + +function ff_scalarproduct_float_neon, export=1 + vmov.f32 q2, #0.0 +1: vld1.32 {q0},[r0,:128]! + vld1.32 {q1},[r1,:128]! + vmla.f32 q2, q0, q1 + subs r2, r2, #4 + bgt 1b + vadd.f32 d0, d4, d5 + vpadd.f32 d0, d0, d0 +NOVFP vmov.32 r0, d0[0] + bx lr +endfunc -- cgit v1.2.3