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annotate gcc/testsuite/gcc.dg/tree-ssa/loop-interchange-15.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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131
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1 /* PR tree-optimization/83337 */
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2 /* { dg-do run { target int32plus } } */
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3 /* { dg-options "-O2 -floop-interchange" } */
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4 /* { dg-require-effective-target alloca } */
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5 /* { dg-skip-if "too big stack" { visium-*-* } } */
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6
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7 /* Copied from graphite/interchange-5.c */
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8
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9 #define DEBUG 0
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10 #if DEBUG
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11 #include <stdio.h>
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12 #endif
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13
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14 #define N 100
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15 #define M 1111
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16
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17 extern void abort ();
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18
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19 static void __attribute__((noipa))
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20 foo (int n)
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21 {
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22 int i, j;
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23 struct S { char d[n]; int a : 3; int b : 17; int c : 12; };
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24 struct S A[N][M];
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25
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26 for (i = 0; i < N; i++)
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27 {
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28 asm volatile ("" : : "g" (&A[0][0]) : "memory");
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29 for (j = 0; j < M; j++)
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30 A[i][j].b = 2;
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31 }
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32 asm volatile ("" : : "g" (&A[0][0]) : "memory");
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33
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34 for (i = 0; i < M; i++)
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35 for (j = 0; j < N; j++)
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36 A[j][i].b = 5 * A[j][i].b;
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37
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38 asm volatile ("" : : "g" (&A[0][0]) : "memory");
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39 int res = A[0][0].b + A[N-1][M-1].b;
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40
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41 #if DEBUG
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42 fprintf (stderr, "res = %d \n", res);
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43 #endif
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44
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45 if (res != 20)
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46 abort ();
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47 }
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48
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49 int
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50 main (void)
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51 {
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52 foo (1);
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53 foo (8);
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54 return 0;
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55 }