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/* Determine CPU support for SIMD
* Copyright 2004 Phil Karn, KA9Q
*
* Modified in 2012 by Matthias P. Braendli, HB9EGM
*/
#include <stdio.h>
#include "fec.h"
/* Various SIMD instruction set names */
char *Cpu_modes[] = {"Unknown","Portable C","x86 Multi Media Extensions (MMX)",
"x86 Streaming SIMD Extensions (SSE)",
"x86 Streaming SIMD Extensions 2 (SSE2)",
"PowerPC G4/G5 Altivec/Velocity Engine"};
enum cpu_mode Cpu_mode;
void find_cpu_mode(void){
int f;
if(Cpu_mode != UNKNOWN)
return;
/* According to the wikipedia entry x86-64, all x86-64 processors have SSE2 */
/* The same assumption is also in other source files ! */
Cpu_mode = SSE2;
fprintf(stderr,"CPU: x86-64, using portable C implementation\n");
}
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