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