53 lines
816 B
C
53 lines
816 B
C
/* { dg-do compile } */
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/* { dg-options "-mno-speculate-indirect-jumps" } */
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/* Test for deliberate misprediction of jump tables. */
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void bar (void);
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int foo (int x)
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{
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int a;
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switch (x)
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{
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default:
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a = -1;
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break;
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case 0:
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a = x * x;
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break;
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case 1:
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a = x + 1;
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break;
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case 2:
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a = x + x;
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break;
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case 3:
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a = x << 3;
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break;
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case 4:
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a = x >> 1;
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break;
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case 5:
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a = x;
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break;
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case 6:
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a = 0;
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break;
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case 7:
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a = x * x + x;
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break;
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}
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bar();
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return a;
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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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