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audioresample: fix SSE2 building with double precision

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The full double implementation was missing.

https://bugzilla.gnome.org/show_bug.cgi?id=636562
This commit is contained in:
Vincent Penquerc'h 2011-08-11 19:23:42 +01:00 committed by Sebastian Dröge
parent 72b92af807
commit 58fd202b7d
1 changed files with 48 additions and 0 deletions
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48
gst/audioresample/resample_sse.h
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@ -75,6 +75,22 @@ static inline float interpolate_product_single(const float *a, const float *b, u
#include <emmintrin.h> #include <emmintrin.h>
#define OVERRIDE_INNER_PRODUCT_DOUBLE #define OVERRIDE_INNER_PRODUCT_DOUBLE
#ifdef DOUBLE_PRECISION
static inline double inner_product_double(const double *a, const double *b, unsigned int len)
{
int i;
double ret;
__m128d sum = _mm_setzero_pd();
for (i=0;i<len;i+=4)
{
sum = _mm_add_pd(sum, _mm_mul_pd(_mm_loadu_pd(a+i), _mm_loadu_pd(b+i)));
sum = _mm_add_pd(sum, _mm_mul_pd(_mm_loadu_pd(a+i+2), _mm_loadu_pd(b+i+2)));
}
sum = _mm_add_sd(sum, _mm_unpackhi_pd(sum, sum));
_mm_store_sd(&ret, sum);
return ret;
}
#else
static inline double inner_product_double(const float *a, const float *b, unsigned int len) static inline double inner_product_double(const float *a, const float *b, unsigned int len)
{ {
int i; int i;
@ -95,8 +111,39 @@ static inline double inner_product_double(const float *a, const float *b, unsign
_mm_store_sd(&ret, sum); _mm_store_sd(&ret, sum);
return ret; return ret;
} }
#endif
#define OVERRIDE_INTERPOLATE_PRODUCT_DOUBLE #define OVERRIDE_INTERPOLATE_PRODUCT_DOUBLE
#ifdef DOUBLE_PRECISION
static inline double interpolate_product_double(const double *a, const double *b, unsigned int len, const spx_uint32_t oversample, double *frac) {
int i;
double ret;
__m128d sum;
__m128d sum1 = _mm_setzero_pd();
__m128d sum2 = _mm_setzero_pd();
__m128d f1 = _mm_loadu_pd(frac);
__m128d f2 = _mm_loadu_pd(frac+2);
__m128d t;
for(i=0;i<len;i+=2)
{
t = _mm_mul_pd(_mm_load1_pd(a+i), _mm_loadu_pd(b+i*oversample));
sum1 = _mm_add_pd(sum1, t);
sum2 = _mm_add_pd(sum2, _mm_unpackhi_pd(t, t));
t = _mm_mul_pd(_mm_load1_pd(a+i+1), _mm_loadu_pd(b+(i+1)*oversample));
sum1 = _mm_add_pd(sum1, t);
sum2 = _mm_add_pd(sum2, _mm_unpackhi_pd(t, t));
}
sum1 = _mm_mul_pd(f1, sum1);
sum2 = _mm_mul_pd(f2, sum2);
sum = _mm_add_pd(sum1, sum2);
sum = _mm_add_sd(sum, _mm_unpackhi_pd(sum, sum));
_mm_store_sd(&ret, sum);
return ret;
}
#else
static inline double interpolate_product_double(const float *a, const float *b, unsigned int len, const spx_uint32_t oversample, float *frac) { static inline double interpolate_product_double(const float *a, const float *b, unsigned int len, const spx_uint32_t oversample, float *frac) {
int i; int i;
double ret; double ret;
@ -124,5 +171,6 @@ static inline double interpolate_product_double(const float *a, const float *b,
_mm_store_sd(&ret, sum); _mm_store_sd(&ret, sum);
return ret; return ret;
} }
#endif
#endif #endif