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/*
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* LIBOIL - Library of Optimized Inner Loops
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* Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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//Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <liboil/liboilfunction.h>
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#include "liboil/simdpack/simdpack.h"
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#include <math.h>
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static void multsum_f32_unroll2 (float *dest, float *src1, int sstr1,
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float *src2, int sstr2, int n)
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{
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int i;
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double sum1 = 0;
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double sum2 = 0;
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for(i=0;i<n-1;i+=2){
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sum1 += OIL_GET(src1,0, float) * OIL_GET(src2,0, float);
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sum2 += OIL_GET(src1,sstr1, float) * OIL_GET(src2,sstr2, float);
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OIL_INCREMENT (src1, sstr1*2);
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OIL_INCREMENT (src2, sstr2*2);
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}
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if (i<n) {
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sum1 += OIL_GET(src1,0, float) * OIL_GET(src2,0, float);
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}
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*dest = sum1 + sum2;
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}
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OIL_DEFINE_IMPL (multsum_f32_unroll2, multsum_f32);
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static void multsum_f64_unroll8 (double *dest, double *src1, int sstr1,
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double *src2, int sstr2, int n)
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{
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int i = 0;
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double sum = 0;
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while(i<n-7) {
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sum += (OIL_GET(src1,0, double) * OIL_GET(src2,0, double)) +
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(OIL_GET(src1,sstr1, double) * OIL_GET(src2,sstr2, double)) +
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(OIL_GET(src1,2*sstr1, double) * OIL_GET(src2,2*sstr2, double)) +
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(OIL_GET(src1,3*sstr1, double) * OIL_GET(src2,3*sstr2, double)) +
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(OIL_GET(src1,4*sstr1, double) * OIL_GET(src2,4*sstr2, double)) +
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(OIL_GET(src1,5*sstr1, double) * OIL_GET(src2,5*sstr2, double)) +
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(OIL_GET(src1,6*sstr1, double) * OIL_GET(src2,6*sstr2, double)) +
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(OIL_GET(src1,7*sstr1, double) * OIL_GET(src2,7*sstr2, double));
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OIL_INCREMENT (src1, sstr1*8);
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OIL_INCREMENT (src2, sstr2*8);
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i+=8;
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}
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while(i<n-3) {
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sum += (OIL_GET(src1,0, double) * OIL_GET(src2,0, double)) +
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(OIL_GET(src1,sstr1, double) * OIL_GET(src2,sstr2, double)) +
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(OIL_GET(src1,2*sstr1, double) * OIL_GET(src2,2*sstr2, double)) +
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(OIL_GET(src1,3*sstr1, double) * OIL_GET(src2,3*sstr2, double));
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OIL_INCREMENT (src1, sstr1*4);
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OIL_INCREMENT (src2, sstr2*4);
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i+=4;
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}
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while(i<n-1) {
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sum += (OIL_GET(src1,0, double) * OIL_GET(src2,0, double)) +
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(OIL_GET(src1,sstr1, double) * OIL_GET(src2,sstr2, double));
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OIL_INCREMENT (src1, sstr1*2);
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OIL_INCREMENT (src2, sstr2*2);
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i+=2;
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}
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if (i<n) {
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sum += OIL_GET(src1,0, double) * OIL_GET(src2,0, double);
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}
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*dest = sum;
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}
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OIL_DEFINE_IMPL (multsum_f64_unroll8, multsum_f64);
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#ifdef __SYMBIAN32__
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OilFunctionImpl* __oil_function_impl_multsum_f32_unroll2() {
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return &_oil_function_impl_multsum_f32_unroll2;
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}
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#endif
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#ifdef __SYMBIAN32__
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OilFunctionImpl* __oil_function_impl_multsum_f64_unroll8() {
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return &_oil_function_impl_multsum_f64_unroll8;
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}
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#endif
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