35 lines
914 B
C
35 lines
914 B
C
/* { dg-do compile } */
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/* { dg-options "-O3 -fdump-rtl-loop2_unroll -funroll-loops" } */
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/* { dg-require-effective-target int32plus } */
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void abort (void);
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int *a;
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/* Fails on MIPS16 because equality checks are implemented using XOR.
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It's unlikely MIPS16 users would want unrolling anyway. */
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#ifdef __mips
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__attribute__((nomips16))
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#endif
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int t()
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{
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int i;
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for (i=0;i<1000000;i++)
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if (a[i])
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return 1;
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return 0;
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}
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#ifdef __mips
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__attribute__((nomips16))
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#endif
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int t2()
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{
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int i;
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for (i=0;i<3000000;i++)
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if (a[i])
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abort ();
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return 0;
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}
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/* { dg-final { scan-rtl-dump-times " upper bound: 999999" 1 "loop2_unroll" } } */
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/* { dg-final { scan-rtl-dump-not "realistic bound: 999999" "loop2_unroll" } } */
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/* { dg-final { scan-rtl-dump-times " upper bound: 2999999" 1 "loop2_unroll" } } */
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/* { dg-final { scan-rtl-dump-times "realistic bound: 2999999" 1 "loop2_unroll" } } */
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