author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 16 Apr 2010 16:46:38 +0300 | |
changeset 18 | 47c74d1534e1 |
permissions | -rw-r--r-- |
18
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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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|
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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|
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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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|
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static void |
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squaresum_f64_i10_simple(double *dest, double *src, int n) |
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{ |
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double sum2 = 0; |
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int i; |
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|
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for(i=0;i<n;i++){ |
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sum2 += src[i]*src[i]; |
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} |
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|
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*dest = sum2; |
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} |
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OIL_DEFINE_IMPL (squaresum_f64_i10_simple, squaresum_f64); |
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|
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#if 0 |
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#include <multsum_f64.h> |
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static void |
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squaresum_f64_i10_multsum(double *dest, double *src, int n) |
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{ |
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multsum_f64(dest,src,src,n); |
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} |
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#endif |
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|
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static void |
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squaresum_f64_i10_unroll4a(double *dest, double *src, int n) |
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{ |
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double sum1 = 0; |
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double sum2 = 0; |
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double sum3 = 0; |
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double sum4 = 0; |
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|
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while(n&0x3){ |
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sum1 += *src * *src; |
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src++; |
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n--; |
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} |
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while(n>0){ |
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sum1 += *src * *src; |
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src++; |
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sum2 += *src * *src; |
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src++; |
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sum3 += *src * *src; |
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src++; |
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sum4 += *src * *src; |
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src++; |
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n-=4; |
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} |
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|
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*dest = sum1 + sum2 + sum3 + sum4; |
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} |
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OIL_DEFINE_IMPL (squaresum_f64_i10_unroll4a, squaresum_f64); |
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|
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static void |
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squaresum_f64_i10_unroll4(double *dest, double *src, int n) |
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{ |
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double sum1 = 0; |
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double sum2 = 0; |
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double sum3 = 0; |
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double sum4 = 0; |
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int i; |
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|
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while(n&0x3){ |
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sum1 += src[0]*src[0]; |
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src++; |
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n--; |
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} |
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for(i=0;i<n;i+=4){ |
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sum1 += src[i]*src[i]; |
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sum2 += src[i+1]*src[i+1]; |
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sum3 += src[i+2]*src[i+2]; |
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sum4 += src[i+3]*src[i+3]; |
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} |
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|
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*dest = sum1 + sum2 + sum3 + sum4; |
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} |
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OIL_DEFINE_IMPL (squaresum_f64_i10_unroll4, squaresum_f64); |
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|
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static void |
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squaresum_f64_i10_unroll8(double *dest, double *src, int n) |
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{ |
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double sum1 = 0; |
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double sum2 = 0; |
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double sum3 = 0; |
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double sum4 = 0; |
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double sum5 = 0; |
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double sum6 = 0; |
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double sum7 = 0; |
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double sum8 = 0; |
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int i; |
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|
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while(n&0x7){ |
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sum1 += src[0]*src[0]; |
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src++; |
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n--; |
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} |
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for(i=0;i<n;i+=8){ |
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sum1 += src[i]*src[i]; |
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sum2 += src[i+1]*src[i+1]; |
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sum3 += src[i+2]*src[i+2]; |
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sum4 += src[i+3]*src[i+3]; |
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sum5 += src[i+4]*src[i+4]; |
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sum6 += src[i+5]*src[i+5]; |
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sum7 += src[i+6]*src[i+6]; |
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sum8 += src[i+7]*src[i+7]; |
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} |
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|
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*dest = sum1 + sum2 + sum3 + sum4 + sum5 + sum6 + sum7 + sum8; |
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} |
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OIL_DEFINE_IMPL (squaresum_f64_i10_unroll8, squaresum_f64); |
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|
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|
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|
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#ifdef __SYMBIAN32__ |
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|
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OilFunctionImpl* __oil_function_impl_squaresum_f64_i10_simple() { |
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return &_oil_function_impl_squaresum_f64_i10_simple; |
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} |
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#endif |
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|
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#ifdef __SYMBIAN32__ |
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|
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OilFunctionImpl* __oil_function_impl_squaresum_f64_i10_unroll4a() { |
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return &_oil_function_impl_squaresum_f64_i10_unroll4a; |
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} |
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#endif |
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|
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#ifdef __SYMBIAN32__ |
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|
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OilFunctionImpl* __oil_function_impl_squaresum_f64_i10_unroll4() { |
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return &_oil_function_impl_squaresum_f64_i10_unroll4; |
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} |
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#endif |
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|
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#ifdef __SYMBIAN32__ |
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|
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OilFunctionImpl* __oil_function_impl_squaresum_f64_i10_unroll8() { |
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return &_oil_function_impl_squaresum_f64_i10_unroll8; |
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} |
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#endif |
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