1 /* { dg-do compile } */ 2 /* { dg-options "-O3 -fno-tree-copy-prop -fgraphite-identity" } */ 3 4 #define N 40 5 #define M 128 6 float in[N+M]; 7 float coeff[M]; 8 float fir_out[N]; 9 fir()10void fir () 11 { 12 int i,j,k; 13 float diff; 14 15 for (i = 0; i < N; i++) { 16 diff = 0; 17 for (j = 0; j < M; j++) { 18 diff += in[j+i]*coeff[j]; 19 } 20 fir_out[i] = diff; 21 } 22 } 23