52 lines
1.0 KiB
C
52 lines
1.0 KiB
C
/* Compute the sum of the squares of a vector of signed shorts
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* Copyright 2004 Phil Karn, KA9Q
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* May be used under the terms of the GNU Lesser General Public License (LGPL)
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*/
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#include <stdlib.h>
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#include "fec.h"
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unsigned long long sumsq_port(signed short *, int);
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#ifdef __i386__
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unsigned long long sumsq_mmx(signed short *, int);
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unsigned long long sumsq_sse(signed short *, int);
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unsigned long long sumsq_sse2(signed short *, int);
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#endif
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#ifdef __x86_64__
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unsigned long long sumsq_sse2(signed short *, int);
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#endif
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#ifdef __VEC__
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unsigned long long sumsq_av(signed short *, int);
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#endif
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unsigned long long sumsq(signed short *in, int cnt)
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{
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switch (Cpu_mode) {
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case PORT:
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default:
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return sumsq_port(in, cnt);
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#ifdef __i386__
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case SSE:
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case MMX:
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return sumsq_mmx(in, cnt);
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case SSE2:
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return sumsq_sse2(in, cnt);
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#endif
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#ifdef __x86_64__
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case SSE2:
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return sumsq_port(in, cnt);
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//return sumsq_sse2(in,cnt);
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#endif
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#ifdef __VEC__
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case ALTIVEC:
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return sumsq_av(in, cnt);
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#endif
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}
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}
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