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项目作者： iSLC

项目描述 ：
C++14 User defined literals for intuitive SIMD shuffle masks.
高级语言： C++
项目地址: git://github.com/iSLC/Literal-SIMD-Shuffle-Masks.git
创建时间： 2017-04-04T23:10:01Z
项目社区：https://github.com/iSLC/Literal-SIMD-Shuffle-Masks
开源协议：MIT License
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Literal-SIMD-Shuffle-Masks

C++14 User defined literals for intuitive SIMD shuffle masks.

Example

  1.     // Basic test
  2.     printf("0x%X\n", _MM_SHUFFLE(0,0,0,0));
  3.     printf("0x%X\n", 0000_Shuffle);
  4.     printf("0x%X\n", "XXXX"_Shuffle);
  6.     printf("0x%X\n", _MM_SHUFFLE(1,1,1,1));
  7.     printf("0x%X\n", 1111_Shuffle);
  8.     printf("0x%X\n", "YYYY"_Shuffle);
  10.     printf("0x%X\n", _MM_SHUFFLE(2,2,2,2));
  11.     printf("0x%X\n", 2222_Shuffle);
  12.     printf("0x%X\n", "ZZZZ"_Shuffle);
  14.     printf("0x%X\n", _MM_SHUFFLE(3,3,3,3));
  15.     printf("0x%X\n", 3333_Shuffle);
  16.     printf("0x%X\n", "WWWW"_Shuffle);
  18.     // String literals can be combined in any way
  19.     printf("0x%X\n", _MM_SHUFFLE(1,1,1,1));
  20.     printf("0x%X\n", "Yy1y"_Shuffle);

Output:

  1. 0x0
  2. 0x0
  3. 0x0
  4. 0x55
  5. 0x55
  6. 0x55
  7. 0xAA
  8. 0xAA
  9. 0xAA
  10. 0xFF
  11. 0xFF
  12. 0xFF
  13. 0x55
  14. 0x55

Notes

  • Currently it uses a GCC extension (supported by Clang as well) in order to treat string literals as a series of characters.