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111
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1 /* { dg-do run } */
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2 /* { dg-options "-O3" } */
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3 /* { dg-require-effective-target ilp32 } */
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4
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5 typedef unsigned int u32;
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6 typedef unsigned long long u64;
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7
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8 u64 __attribute__((noinline))
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9 foo (u32 high, u32 low)
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10 {
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11 return ((u64)high << 32) | low;
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12 }
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13
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14 u32 __attribute__((noinline))
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15 right (u64 t)
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16 {
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17 return (u32)(t >> 32);
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18 }
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19
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20 u64 __attribute__((noinline))
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21 left (u32 t)
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22 {
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23 return (u64)t << 32;
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24 }
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25
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26 u32 __attribute__((noinline))
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27 right2 (u64 t)
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28 {
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29 return (u32)(t >> 40);
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30 }
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31
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32 u64 __attribute__((noinline))
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33 left2 (u32 t)
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34 {
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35 return (u64)t << 40;
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36 }
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37
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38 u64 __attribute__((noinline))
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39 zeroextend (u32 t)
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40 {
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41 return (u64)t;
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42 }
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43
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44 extern void abort ();
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45
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46 int
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47 main ()
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48 {
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49 if (foo (13000, 12000) != 55834574860000ULL)
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50 abort ();
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51
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52 if (right (55834574860000ULL) != 13000)
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53 abort ();
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54
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55 if (left (13000) != 55834574848000ULL)
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56 abort ();
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57
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58 if (right2 (55834574860000ULL) != 50)
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59 abort ();
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60
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61 if (left2 (13000) != 14293651161088000ULL)
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62 abort ();
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63
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64 if (zeroextend (13000) != 13000ULL)
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65 abort ();
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66
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67 return 0;
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68 }
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