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111
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1 /* Test case to check if Multiversioning works. */
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2 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
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3 /* { dg-require-ifunc "" } */
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4 /* { dg-options "-O2 -fPIC -march=x86-64" } */
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5
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6 #include <assert.h>
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7
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8 /* Default version. */
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9 int foo (); // Extra declaration that is merged with the second one.
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10 int foo () __attribute__ ((target("default")));
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11
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12 int foo () __attribute__ ((target("arch=corei7")));
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13
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14 int (*p)() = &foo;
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15 int main ()
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16 {
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17 int val = foo ();
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18 assert (val == (*p)());
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19
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20 /* Check in the exact same order in which the dispatching
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21 is expected to happen. */
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22 if (__builtin_cpu_is ("corei7"))
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23 assert (val == 5);
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24 else
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25 assert (val == 0);
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26
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27 return 0;
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28 }
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29
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30 int __attribute__ ((target("default")))
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31 foo ()
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32 {
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33 return 0;
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34 }
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35
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36 int __attribute__ ((target("arch=corei7")))
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37 foo ()
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38 {
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39 return 5;
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40 }
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