Viewing file:  sso-2.c (2.59 KB) -rw-r--r--
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/* Test support of scalar_storage_order attribute */
/* { dg-do compile } */
struct __attribute__((scalar_storage_order("big-endian"))) S1
{
int i;
};
struct __attribute__((scalar_storage_order("little-endian"))) S2
{
int i;
};
struct __attribute__((scalar_storage_order("other"))) S3 { int i; }; /* { dg-error "must be one of .big-endian. or .little-endian." } */
void incompatible_assign (struct S1 *s1, struct S2 *s2)
{
*s1 = *s2; /* { dg-error "(incompatible types|no match)" } */
}
int *addr1 (int which, struct S1 *s1, struct S2 *s2)
{
return (which == 1 ? &s1->i : &s2->i); /* { dg-error "address of scalar with reverse storage order" } */
}
struct __attribute__((scalar_storage_order("big-endian"))) S4
{
int a[4];
struct S2 s2;
};
struct __attribute__((scalar_storage_order("little-endian"))) S5
{
int a[4];
struct S1 s1;
};
void *addr2 (int which, struct S4 *s4, struct S5 *s5)
{
return (which == 1 ? (void *)s4->a : (void *)s5->a); /* { dg-warning "address of array with reverse scalar storage order" } */
}
void *addr3 (int which, struct S4 *s4, struct S5 *s5)
{
return (which == 1 ? (void *)&s4->a : (void *)&s5->a); /* { dg-warning "address of array with reverse scalar storage order" } */
}
void *addr4 (int which, struct S4 *s4, struct S5 *s5)
{
return (which == 1 ? (void *)&s4->a[0] : (void *)&s5->a[0]); /* { dg-error "address of scalar with reverse storage order" } */
}
void *addr5 (int which, struct S4 *s4, struct S5 *s5)
{
return (which == 1 ? (void *)&s4->s2 : (void *) &s5->s1); /* ok */
}
struct __attribute__((scalar_storage_order("big-endian"))) S6
{
int a[4][2];
struct S2 s2[2];
};
struct __attribute__((scalar_storage_order("little-endian"))) S7
{
int a[4][2];
struct S1 s1[2];
};
void *addr6 (int which, struct S6 *s6, struct S7 *s7)
{
return (which == 1 ? (void *)s6->a : (void *)s7->a); /* { dg-warning "address of array with reverse scalar storage order" } */
}
void *addr7 (int which, struct S6 *s6, struct S7 *s7)
{
return (which == 1 ? (void *)&s6->a : (void *)&s7->a); /* { dg-warning "address of array with reverse scalar storage order" } */
}
void *addr8 (int which, struct S6 *s6, struct S7 *s7)
{
return (which == 1 ? (void *)&s6->a[0] : (void *)&s7->a[0]); /* { dg-warning "address of array with reverse scalar storage order" } */
}
void *addr9 (int which, struct S6 *s6, struct S7 *s7)
{
return (which == 1 ? (void *)&s6->a[0][0] : (void *)&s7->a[0][0]); /* { dg-error "address of scalar with reverse storage order" } */
}
void *addr10 (int which, struct S6 *s6, struct S7 *s7)
{
return (which == 1 ? (void *)&s6->s2 : (void *)&s7->s1); /* ok */
}
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