34 lines
612 B
C
34 lines
612 B
C
/* { dg-do compile } */
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/* { dg-options "-mno-speculate-indirect-jumps" } */
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/* Test for deliberate misprediction of computed goto. */
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int bar (int);
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int baz (int);
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int spaz (int);
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int foo (int x)
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{
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static void *labptr[] = { &&lab0, &&lab1, &&lab2 };
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if (x < 0 || x > 2)
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return -1;
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goto *labptr[x];
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lab0:
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return bar (x);
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lab1:
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return baz (x) + 1;
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lab2:
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return spaz (x) / 2;
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}
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/* The following assumes CR7 as the first chosen volatile. */
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/* { dg-final { scan-assembler "crset 30" } } */
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/* { dg-final { scan-assembler "beqctr- 7" } } */
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/* { dg-final { scan-assembler "b ." } } */
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