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111
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1 /* { dg-add-options stack_size } */
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145
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2 /* { dg-require-stack-size "[dg-effective-target-value stack_size]*2" } */
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111
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3
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4 void
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5 bcopy1 (s, d, c)
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6 long long *s;
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7 long long *d;
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8 int c;
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9 {
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10 int i;
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11 c = c / 8;
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12 for (i = 0; i < c; i++)
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13 d[i] = s[i];
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14 }
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15
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16 void
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17 bcopy2 (s, d, c)
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18 long *s;
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19 long *d;
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20 int c;
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21 {
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22 int i;
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23 c = c / 4;
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24 for (i = 0; i < c; i++)
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25 d[i] = s[i];
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26 }
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27
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28
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29 void
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30 bcopy3 (s, d, c)
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31 char *s;
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32 char *d;
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33 int c;
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34 {
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35 long long z0, z1;
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36 int r = d - s;
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37
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38 int i;
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39
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40 c /= 16;
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41
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42 z0 = *((long long *) s);
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43 s += 8;
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44 z1 = *((long long *) s);
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45 s += 8;
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46 for (i = 0; i < c; i++)
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47 {
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48 *(long long *)(s + r) = z0;
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49 z0 = *((long long *) s);
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50 s += 8;
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51 *(long long *)(s + r) = z1;
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52 z1 = *((long long *) s);
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53 s += 8;
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54 }
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55 }
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56
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57 #if defined(STACK_SIZE) && STACK_SIZE < 16384
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58 #define BYTES STACK_SIZE
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59 #else
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60 #define BYTES 16384
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61 #endif
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62
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63 main ()
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64 {
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65 long long s[BYTES / 8];
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66 long long d[BYTES / 8];
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67 int i;
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68
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69 for (i = 1; i < 67108864 / BYTES; i++)
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70 bcopy (s, d, BYTES);
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71 }
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