align.h 1.2 KB

12345678910111213141516171819202122232425262728
  1. /*
  2. * Copyright (C) 2020, Arm Limited. All Rights Reserved.
  3. *
  4. * This software is provided 'as-is', without any express or implied
  5. * warranty. In no event will the authors be held liable for any damages
  6. * arising from the use of this software.
  7. *
  8. * Permission is granted to anyone to use this software for any purpose,
  9. * including commercial applications, and to alter it and redistribute it
  10. * freely, subject to the following restrictions:
  11. *
  12. * 1. The origin of this software must not be misrepresented; you must not
  13. * claim that you wrote the original software. If you use this software
  14. * in a product, an acknowledgment in the product documentation would be
  15. * appreciated but is not required.
  16. * 2. Altered source versions must be plainly marked as such, and must not be
  17. * misrepresented as being the original software.
  18. * 3. This notice may not be removed or altered from any source distribution.
  19. */
  20. /* How to obtain memory alignment for structures and variables */
  21. #if defined(_MSC_VER)
  22. #define ALIGN(alignment) __declspec(align(alignment))
  23. #elif defined(__clang__) || defined(__GNUC__)
  24. #define ALIGN(alignment) __attribute__((aligned(alignment)))
  25. #else
  26. #error "Unknown compiler"
  27. #endif