| /* Test support of scalar_storage_order pragma */ |
| |
| /* { dg-do run } */ |
| /* { dg-require-effective-target int32plus } */ |
| |
| #pragma scalar_storage_order /* { dg-warning "missing .big-endian.little-endian.default." } */ |
| |
| #pragma scalar_storage_order big-endian |
| |
| struct S1 |
| { |
| int i; |
| }; |
| |
| struct __attribute__((scalar_storage_order("little-endian"))) S2 |
| { |
| int i; |
| }; |
| |
| #pragma scalar_storage_order little-endian |
| |
| struct S3 |
| { |
| int i; |
| }; |
| |
| struct __attribute__((scalar_storage_order("big-endian"))) S4 |
| { |
| int i; |
| }; |
| |
| #pragma scalar_storage_order default |
| |
| struct S5 |
| { |
| int i; |
| }; |
| |
| #pragma scalar_storage_order other /* { dg-warning "expected .big-endian.little-endian.default." } */ |
| |
| struct S1 my_s1 = { 0x12345678 }; |
| struct S2 my_s2 = { 0x12345678 }; |
| struct S3 my_s3 = { 0x12345678 }; |
| struct S4 my_s4 = { 0x12345678 }; |
| struct S5 my_s5 = { 0x12345678 }; |
| |
| unsigned char big_endian_pattern[4] = { 0x12, 0x34, 0x56, 0x78 }; |
| unsigned char little_endian_pattern[4] = { 0x78, 0x56, 0x34, 0x12 }; |
| |
| int main (void) |
| { |
| if (__builtin_memcmp (&my_s1, &big_endian_pattern, 4) != 0) |
| __builtin_abort (); |
| |
| if (__builtin_memcmp (&my_s2, &little_endian_pattern, 4) != 0) |
| __builtin_abort (); |
| |
| if (__builtin_memcmp (&my_s3, &little_endian_pattern, 4) != 0) |
| __builtin_abort (); |
| |
| if (__builtin_memcmp (&my_s4, &big_endian_pattern, 4) != 0) |
| __builtin_abort (); |
| |
| #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
| if (__builtin_memcmp (&my_s5, &little_endian_pattern, 4) != 0) |
| __builtin_abort (); |
| #else |
| if (__builtin_memcmp (&my_s5, &big_endian_pattern, 4) != 0) |
| __builtin_abort (); |
| #endif |
| |
| return 0; |
| } |