1 /* { dg-do run } */
2 /* { dg-options "-O2 -fmodulo-sched -fmodulo-sched-allow-regmoves -fdump-rtl-sms" } */
3
4 extern void abort (void);
5
6 float out[4][4] = { 6, 6, 7, 5, 6, 7, 5, 5, 6, 4, 4, 4, 6, 2, 3, 4 };
7
8 void
invert(void)9 invert (void)
10 {
11 int i, j, k = 0, swap;
12 float tmp[4][4] = { 5, 6, 7, 5, 6, 7, 5, 5, 4, 4, 4, 4, 3, 2, 3, 4 };
13
14 for (i = 0; i < 4; i++)
15 {
16 for (j = i + 1; j < 4; j++)
17 if (tmp[j][i] > tmp[i][i])
18 swap = j;
19
20 if (swap != i)
21 tmp[i][k] = tmp[swap][k];
22 }
23
24 for (i = 0; i < 4; i++)
25 for (j = 0; j < 4; j++)
26 if (tmp[i][j] != out[i][j])
27 abort ();
28 }
29
30 int
main()31 main ()
32 {
33 invert ();
34 return 0;
35 }
36
37