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/* Test case to check if Multiversioning chooses the correct
dispatching order when versions are for various ISAs. */
/* { dg-do run { target i?86-*-* x86_64-*-* } } */
/* { dg-require-ifunc "" } */
/* { dg-options "-O2" } */
#include <assert.h>
/* Default version. */
int foo () __attribute__ ((target ("default")));
/* The dispatch checks should be in the exact reverse order of the
declarations below. */
int foo () __attribute__ ((target ("mmx")));
int foo () __attribute__ ((target ("sse")));
int foo () __attribute__ ((target ("sse2")));
int foo () __attribute__ ((target ("sse3")));
int foo () __attribute__ ((target ("ssse3")));
int foo () __attribute__ ((target ("sse4.1")));
int foo () __attribute__ ((target ("sse4.2")));
int foo () __attribute__ ((target ("popcnt")));
int foo () __attribute__ ((target ("avx")));
int foo () __attribute__ ((target ("avx2")));
int main ()
{
int val = foo ();
if (__builtin_cpu_supports ("avx2"))
assert (val == 1);
else if (__builtin_cpu_supports ("avx"))
assert (val == 2);
else if (__builtin_cpu_supports ("popcnt"))
assert (val == 3);
else if (__builtin_cpu_supports ("sse4.2"))
assert (val == 4);
else if (__builtin_cpu_supports ("sse4.1"))
assert (val == 5);
else if (__builtin_cpu_supports ("ssse3"))
assert (val == 6);
else if (__builtin_cpu_supports ("sse3"))
assert (val == 7);
else if (__builtin_cpu_supports ("sse2"))
assert (val == 8);
else if (__builtin_cpu_supports ("sse"))
assert (val == 9);
else if (__builtin_cpu_supports ("mmx"))
assert (val == 10);
else
assert (val == 0);
return 0;
}
int __attribute__ ((target("default")))
foo ()
{
return 0;
}
int __attribute__ ((target("mmx")))
foo ()
{
return 10;
}
int __attribute__ ((target("sse")))
foo ()
{
return 9;
}
int __attribute__ ((target("sse2")))
foo ()
{
return 8;
}
int __attribute__ ((target("sse3")))
foo ()
{
return 7;
}
int __attribute__ ((target("ssse3")))
foo ()
{
return 6;
}
int __attribute__ ((target("sse4.1")))
foo ()
{
return 5;
}
int __attribute__ ((target("sse4.2")))
foo ()
{
return 4;
}
int __attribute__ ((target("popcnt")))
foo ()
{
return 3;
}
int __attribute__ ((target("avx")))
foo ()
{
return 2;
}
int __attribute__ ((target("avx2")))
foo ()
{
return 1;
}
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