/* 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; }