Viewing file:  attribute-test-2.C (1.38 KB) -rw-r--r--
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// { dg-do run }
// { dg-options "-Wno-abi" }
// PR c++/9844
extern "C" void abort();
#define vector __attribute__((vector_size(16)))
class vector_holder
{
char __attribute__((vector_size(16))) vec;
char __attribute__((vector_size(16))) vec1;
public:
operator __attribute__((vector_size(16))) short (void) {
return (__attribute__((vector_size(16))) short) vec;
}
operator __attribute__((vector_size(16))) unsigned int (void) {
return (__attribute__((vector_size(16))) unsigned int) vec1;
}
vector_holder () {
vec = (__attribute__((vector_size(16))) char) {'a', 'b', 'c', 'd', 'a', 'b', 'c', 'd',
'a', 'b', 'c', 'd', 'a', 'b', 'c', 'd'};
vec1 = (__attribute__((vector_size(16))) char) {'m', 'n', 'o', 'q', 'm', 'n', 'o', 'p',
'm', 'n', 'o', 'q', 'm', 'n', 'o', 'p'};
}
};
union u {
char f[16];
vector unsigned int v;
vector short vs;
} data;
vector_holder vh;
int main()
{
data.vs = (__attribute__((vector_size(16))) short) vh;
if (data.f[0] != 'a' || data.f[15] != 'd')
abort();
data.v = (__attribute__((vector_size(16))) unsigned int) vh;
if (data.f[0] != 'm' || data.f[15] != 'p')
abort();
return 0;
}
/* Ignore a warning that is irrelevant to the purpose of this test. */
/* { dg-prune-output ".*GCC vector returned by reference.*" } */
/* { dg-prune-output "changes the ABI" } */
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