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x86: sbrdsp: implement SSE qmf_deint_neg
From 133 (unrolled av_intfloat32 C) to 59 cycles on Arrandale/Win64. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -423,3 +423,25 @@ apply_noise_main:
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add count, mmsize
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jl .loop
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RET
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INIT_XMM sse
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cglobal sbr_qmf_deint_neg, 2,4,4,v,src,vrev,c
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%define COUNT 32*4
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%define OFFSET 32*4
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mov cq, -COUNT
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lea vrevq, [vq + OFFSET + COUNT]
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add vq, OFFSET-mmsize
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add srcq, 2*COUNT
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mova m3, [ps_neg]
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.loop:
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mova m0, [srcq + 2*cq + 0*mmsize]
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mova m1, [srcq + 2*cq + 1*mmsize]
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shufps m2, m0, m1, q2020
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shufps m1, m0, q1313
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xorps m2, m3
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mova [vq], m1
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mova [vrevq + cq], m2
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sub vq, mmsize
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add cq, mmsize
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jl .loop
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REP_RET
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@ -51,6 +51,8 @@ void ff_sbr_hf_apply_noise_3_sse2(float (*Y)[2], const float *s_m,
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const float *q_filt, int noise,
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int kx, int m_max);
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void ff_sbr_qmf_deint_neg_sse(float *v, const float *src);
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av_cold void ff_sbrdsp_init_x86(SBRDSPContext *s)
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{
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int cpu_flags = av_get_cpu_flags();
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@ -63,6 +65,7 @@ av_cold void ff_sbrdsp_init_x86(SBRDSPContext *s)
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s->hf_gen = ff_sbr_hf_gen_sse;
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s->qmf_post_shuffle = ff_sbr_qmf_post_shuffle_sse;
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s->qmf_deint_bfly = ff_sbr_qmf_deint_bfly_sse;
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s->qmf_deint_neg = ff_sbr_qmf_deint_neg_sse;
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}
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if (EXTERNAL_SSE2(cpu_flags)) {
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