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| /* IA-32 SSE version of peakval
| * Copyright 2004 Phil Karn, KA9Q
| */
|
| #include <stdlib.h>
| #include "fec.h"
|
| int peakval_sse_assist(signed short *,int);
|
| int peakval_sse(signed short *b,int cnt){
| int peak = 0;
| int a;
|
| while(((int)b & 7) != 0 && cnt != 0){
| a = abs(*b);
| if(a > peak)
| peak = a;
| b++;
| cnt--;
| }
| a = peakval_sse_assist(b,cnt);
| if(a > peak)
| peak = a;
| b += cnt & ~3;
| cnt &= 3;
|
| while(cnt != 0){
| a = abs(*b);
| if(a > peak)
| peak = a;
| b++;
| cnt--;
| }
| return peak;
| }
|
|
