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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct alignas(4) S1
  5. {
  6. 	uint32_t i1;
  7. 	uint32_t i2;
  8. 	uint32_t i3;
  9. };
  10.  
  11. struct alignas(8) S2
  12. {
  13. 	uint32_t i1;
  14. 	uint32_t i2;
  15. 	uint32_t i3;
  16. };
  17.  
  18. int main() 
  19. {
  20. 	cout << "sizeof(S1) = " << sizeof(S1) << endl;
  21. 	cout << "sizeof(S2) = " << sizeof(S2) << endl;
  22.  
  23. 	return 0;
  24. }
Success #stdin #stdout 0s 4240KB
comments (?)
stdin 
Standard input is empty
stdout 
sizeof(S1) = 12
sizeof(S2) = 16
https://ideone.com/Pb2jEd
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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