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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. #pragma pack(push, 16)
  5. struct Foo {
  6.     int a;
  7. };
  8. #pragma pack(pop)
  9.  
  10. struct Foo1 { 
  11.     int a; 
  12. } __attribute__((aligned(16)));
  13.  
  14. int main() {
  15. 	cout << "sizeof(struct Foo) = " << sizeof(struct Foo) << endl;
  16. 	cout << "sizeof(struct Foo1) = " << sizeof(struct Foo1) << endl;
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 3460KB
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Standard input is empty
stdout
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sizeof(struct Foo) = 4
sizeof(struct Foo1) = 16
https://ideone.com/aczgKo
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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