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update to snapshot spandsp-20080916.tar.gz

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9769 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale
2008-10-01 03:56:17 +00:00
parent e503aa41d7
commit 7460c20ecd
17 changed files with 538 additions and 208 deletions
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68
libs/spandsp/src/vector_float.c
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@@ -22,7 +22,7 @@
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: vector_float.c,v 1.11 2008/07/02 14:48:26 steveu Exp $
* $Id: vector_float.c,v 1.12 2008/09/16 15:21:52 steveu Exp $
*/
/*! \file */
@@ -44,6 +44,32 @@
#endif
#include <assert.h>
#if defined(SPANDSP_USE_MMX)
#include <mmintrin.h>
#endif
#if defined(SPANDSP_USE_SSE)
#include <xmmintrin.h>
#endif
#if defined(SPANDSP_USE_SSE2)
#include <emmintrin.h>
#endif
#if defined(SPANDSP_USE_SSE3)
#include <pmmintrin.h>
#include <tmmintrin.h>
#endif
#if defined(SPANDSP_USE_SSE4_1)
#include <smmintrin.h>
#endif
#if defined(SPANDSP_USE_SSE4_2)
#include <nmmintrin.h>
#endif
#if defined(SPANDSP_USE_SSE4A)
#include <ammintrin.h>
#endif
#if defined(SPANDSP_USE_SSE5)
#include <bmmintrin.h>
#endif
#include "spandsp/telephony.h"
#include "spandsp/vector_float.h"
@@ -100,7 +126,7 @@ void vec_zerol(long double z[], int n)
int i;
for (i = 0; i < n; i++)
z[i] = 0.0;
z[i] = 0.0L;
}
/*- End of function --------------------------------------------------------*/
#endif
@@ -306,6 +332,41 @@ void vec_mull(long double z[], const long double x[], const long double y[], int
/*- End of function --------------------------------------------------------*/
#endif
#if defined(__GNUC__) && defined(SPANDSP_USE_SSE2)
float vec_dot_prodf(const float x[], const float y[], int n)
{
int i;
float z;
__m128 num1, num2, num3, num4;
z = 0.0f;
if ((i = n & ~3))
{
num4 = _mm_setzero_ps(); //sets sum to zero
for (i -= 4; i >= 0; i -= 4)
{
num1 = _mm_loadu_ps(x + i);
num2 = _mm_loadu_ps(y + i);
num3 = _mm_mul_ps(num1, num2);
num4 = _mm_add_ps(num4, num3);
}
num4 = _mm_add_ps(_mm_movehl_ps(num4, num4), num4);
num4 = _mm_add_ss(_mm_shuffle_ps(num4, num4, 1), num4);
_mm_store_ss(&z, num4);
}
/* Now deal with the last 1 to 3 elements, which don't fill in an SSE2 register */
switch (n & 3)
{
case 3:
z += x[n - 3]*y[n - 3];
case 2:
z += x[n - 2]*y[n - 2];
case 1:
z += x[n - 1]*y[n - 1];
}
return z;
}
#else
float vec_dot_prodf(const float x[], const float y[], int n)
{
int i;
@@ -317,6 +378,7 @@ float vec_dot_prodf(const float x[], const float y[], int n)
return z;
}
/*- End of function --------------------------------------------------------*/
#endif
double vec_dot_prod(const double x[], const double y[], int n)
{
@@ -336,7 +398,7 @@ long double vec_dot_prodl(const long double x[], const long double y[], int n)
int i;
long double z;
z = 0.0;
z = 0.0L;
for (i = 0; i < n; i++)
z += x[i]*y[i];
return z;