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111
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1 /* { dg-require-effective-target vect_float } */
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2
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3 #include <stdarg.h>
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4 #include "tree-vect.h"
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5
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6 #define N 256
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7
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8 __attribute__ ((noinline))
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9 void bar (const float *pa, const float *pb, const float *pc)
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10 {
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11 int i;
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12
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13 /* check results: */
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14 for (i = 0; i < N; i++)
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15 {
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16 if (pa[i] != (pb[i] * pc[i]))
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17 abort ();
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18 }
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19
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20 return;
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21 }
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22
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23 /* Unaligned pointer accesses, with unknown alignment.
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24 The loop bound is unknown.
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25 Can't prove that the pointers don't alias.
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26 vect-45.c is similar to this one with one difference:
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27 the loop bound is known.
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28 vect-50.c is similar to this one with one difference:
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29 Aliasing is not a problem. */
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30
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31 __attribute__ ((noinline)) int
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32 main1 (int n, float *pa, float *pb, float *pc)
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33 {
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34 int i;
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35
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36 for (i = 0; i < n; i++)
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37 {
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38 pa[i] = pb[i] * pc[i];
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39 }
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40
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41 bar (pa,pb,pc);
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42
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43 return 0;
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44 }
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45
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46 int main (void)
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47 {
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48 int i;
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49 float a[N];
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50 float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
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51 float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
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52
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53 check_vect ();
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54
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55 main1 (N,a,b,c);
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56 return 0;
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57 }
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58
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59 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */
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