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111
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1 /* { dg-add-options stack_size } */
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2
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3 void
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4 bcopy1 (s, d, c)
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5 long long *s;
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6 long long *d;
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7 int c;
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8 {
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9 int i;
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10 c = c / 8;
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11 for (i = 0; i < c; i++)
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12 d[i] = s[i];
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13 }
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14
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15 void
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16 bcopy2 (s, d, c)
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17 long *s;
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18 long *d;
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19 int c;
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20 {
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21 int i;
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22 c = c / 4;
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23 for (i = 0; i < c; i++)
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24 d[i] = s[i];
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25 }
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26
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27
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28 void
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29 bcopy3 (s, d, c)
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30 char *s;
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31 char *d;
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32 int c;
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33 {
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34 long long z0, z1;
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35 int r = d - s;
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36
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37 int i;
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38
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39 c /= 16;
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40
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41 z0 = *((long long *) s);
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42 s += 8;
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43 z1 = *((long long *) s);
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44 s += 8;
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45 for (i = 0; i < c; i++)
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46 {
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47 *(long long *)(s + r) = z0;
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48 z0 = *((long long *) s);
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49 s += 8;
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50 *(long long *)(s + r) = z1;
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51 z1 = *((long long *) s);
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52 s += 8;
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53 }
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54 }
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55
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56 #if defined(STACK_SIZE) && STACK_SIZE < 16384
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57 #define BYTES STACK_SIZE
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58 #else
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59 #define BYTES 16384
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60 #endif
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61
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62 main ()
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63 {
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64 long long s[BYTES / 8];
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65 long long d[BYTES / 8];
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66 int i;
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67
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68 for (i = 1; i < 67108864 / BYTES; i++)
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69 bcopy (s, d, BYTES);
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70 }
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