Mercurial > hg > CbC > CbC_gcc

annotate libgomp/testsuite/libgomp.graphite/force-parallel-6.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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1 void abort (void);
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2
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3 #define N 500
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4 #define M 50
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5
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6 int X[2*N], Y[2*N], B[2*N];
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7 int A[2*N][2*N], C[2*N][2*N];
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8
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9 static void __attribute__((noinline,noclone))
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10 init (void)
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11 {
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12 volatile int i, j;
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13
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14 for (i = 0; i < 2 * N; ++i)
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15 {
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16 B[i] = 1;
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17 X[i] = 1;
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18 Y[i] = 1;
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19 for (j = 0; j < 2 * N; ++j)
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20 {
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21 A[i][j] = 1;
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22 C[i][j] = 1;
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23 }
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24 }
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25 }
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26
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27 static void __attribute__((noinline,noclone))
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28 foo (void)
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29 {
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30 int i, j, k;
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31
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32 for (i = 0; i < M; i++)
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33 {
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34 X[i] = Y[i] + 10;
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35 for (j = 0; j < M; j++)
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36 {
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37 B[j] = A[j][N];
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38 for (k = 0; k < N; k++)
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39 {
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40 A[j+1][k] = B[j] + C[j][k];
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41 }
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42 Y[i+j] = A[j+1][N];
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43 }
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44 }
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45 }
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46
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47 static void __attribute__((noinline,noclone))
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48 check (void)
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49 {
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50 volatile int i, j;
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51
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52 for (i = 0; i < 2 * N; ++i)
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53 {
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54 int expect_x = i < M ? 11 : 1;
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55
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56 if (B[i] != 1
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57 || X[i] != expect_x
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58 || Y[i] != 1)
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59 abort ();
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60
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61 for (j = 0; j < 2 * N; ++j)
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62 {
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63 int expect_a = (0 < i && i <= M && j < N) ? 2 : 1;
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64
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65 if (A[i][j] != expect_a
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66 || C[i][j] != 1)
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67 abort ();
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68 }
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69 }
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70 }
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71
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72 int main(void)
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73 {
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74 init ();
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75 foo ();
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76 check ();
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78 return 0;
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79 }
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81 /* Check that parallel code generation part make the right answer. */
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82 /* { dg-final { scan-tree-dump-times "1 loops carried no dependency" 1 "graphite" } } */
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83 /* { dg-final { scan-tree-dump-times "loopfn.0" 4 "optimized" } } */