b8e48b9803
PR rtl-optimization/19579 * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up both A and B, see if they don't clobber registers the other expr uses. * gcc.c-torture/execute/20050124-1.c: New test. From-SVN: r94234
42 lines
525 B
C
42 lines
525 B
C
/* PR rtl-optimization/19579 */
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extern void abort (void);
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int
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foo (int i, int j)
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{
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int k = i + 1;
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if (j)
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{
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if (k > 0)
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k++;
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else if (k < 0)
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k--;
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}
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return k;
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}
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int
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main (void)
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{
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if (foo (-2, 0) != -1)
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abort ();
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if (foo (-1, 0) != 0)
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abort ();
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if (foo (0, 0) != 1)
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abort ();
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if (foo (1, 0) != 2)
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abort ();
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if (foo (-2, 1) != -2)
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abort ();
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if (foo (-1, 1) != 0)
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abort ();
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if (foo (0, 1) != 2)
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abort ();
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if (foo (1, 1) != 3)
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abort ();
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return 0;
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}
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