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111
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1 /* { dg-do compile } */
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2 /* { dg-require-effective-target vect_int } */
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3
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4 #define N 320
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5 #define M 1024
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6 unsigned short in[N+M];
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7 unsigned short coeff[M];
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8 unsigned int out[N];
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9
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10 /* Outer-loop vectorization. */
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11
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12 void
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13 foo (){
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14 int i,j;
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15 unsigned short diff;
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16
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17 for (i = 0; i < N; i++) {
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18 diff = 0;
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19 for (j = 0; j < M; j+=8) {
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20 diff += in[j+i]*coeff[j];
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21 }
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22 out[i]=diff;
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23 }
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24 }
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25
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26 /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { target { vect_short_mult && { ! vect_no_align } } } } } */
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27 /* { dg-final { scan-tree-dump-times "zero step in outer loop." 1 "vect" } } */
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