Mercurial > hg > peckfft
diff _peck_fft_guts.h @ 4:2d6c49fcafcb
neon2 and neon4 support
| author | Peter Meerwald <p.meerwald@bct-electronic.com> |
|---|---|
| date | Fri, 16 Sep 2011 14:04:19 +0200 |
| parents | 723f588b82ac |
| children | fee54f1878f7 |
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--- a/_peck_fft_guts.h Fri Sep 16 13:08:20 2011 +0200 +++ b/_peck_fft_guts.h Fri Sep 16 14:04:19 2011 +0200 @@ -125,17 +125,25 @@ #ifdef FIXED_POINT -# define PECK_FFT_COS(phase) floor(.5+SAMP_MAX * cos (phase)) -# define PECK_FFT_SIN(phase) floor(.5+SAMP_MAX * sin (phase)) -# define HALF_OF(x) ((x)>>1) -#elif defined(USE_SIMD) -# define PECK_FFT_COS(phase) _mm_set1_ps( cos(phase) ) -# define PECK_FFT_SIN(phase) _mm_set1_ps( sin(phase) ) -# define HALF_OF(x) ((x)*_mm_set1_ps(.5)) + #define PECK_FFT_COS(phase) floorf(0.5f+SAMP_MAX * cosf(phase)) + #define PECK_FFT_SIN(phase) floorf(0.5f+SAMP_MAX * sinf(phase)) + #define HALF_OF(x) ((x)>>1) +#elif USE_SIMD == SIMD_SSE2 + #define PECK_FFT_COS(phase) _mm_set1_ps(cosf(phase)) + #define PECK_FFT_SIN(phase) _mm_set1_ps(sinf(phase)) + #define HALF_OF(x) ((x)*_mm_set1_ps(0.5f)) +#elif USE_SIMD == SIMD_NEON4 + #define PECK_FFT_COS(phase) vdupq_n_f32(cosf(phase)) + #define PECK_FFT_SIN(phase) vdupq_n_f32(sinf(phase)) + #define HALF_OF(x) ((x)*vdupq_n_f32(0.5f)) +#elif USE_SIMD == SIMD_NEON2 + #define PECK_FFT_COS(phase) vdup_n_f32(cosf(phase)) + #define PECK_FFT_SIN(phase) vdup_n_f32(sinf(phase)) + #define HALF_OF(x) ((x)*vdup_n_f32(0.5f)) #else -# define PECK_FFT_COS(phase) (peck_fft_scalar) cos(phase) -# define PECK_FFT_SIN(phase) (peck_fft_scalar) sin(phase) -# define HALF_OF(x) ((x)*.5) + #define PECK_FFT_COS(phase) (peck_fft_scalar) cosf(phase) + #define PECK_FFT_SIN(phase) (peck_fft_scalar) sinf(phase) + #define HALF_OF(x) ((x)*0.5f) #endif #define kf_cexp(x,phase) \