37 lines
632 B
C
37 lines
632 B
C
/* { dg-do run } */
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/* { dg-options "-O2 -fmodulo-sched -fmodulo-sched-allow-regmoves -fdump-rtl-sms" } */
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extern void abort (void);
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float out[4][4] = { 6, 6, 7, 5, 6, 7, 5, 5, 6, 4, 4, 4, 6, 2, 3, 4 };
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void
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invert (void)
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{
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int i, j, k = 0, swap;
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float tmp[4][4] = { 5, 6, 7, 5, 6, 7, 5, 5, 4, 4, 4, 4, 3, 2, 3, 4 };
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for (i = 0; i < 4; i++)
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{
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for (j = i + 1; j < 4; j++)
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if (tmp[j][i] > tmp[i][i])
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swap = j;
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if (swap != i)
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tmp[i][k] = tmp[swap][k];
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}
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for (i = 0; i < 4; i++)
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for (j = 0; j < 4; j++)
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if (tmp[i][j] != out[i][j])
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abort ();
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}
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int
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main ()
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{
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invert ();
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return 0;
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}
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