xtestintrin.h 1.7 KB

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  1. /*===---- xtestintrin.h - XTEST intrinsic ---------------------------------===
  2. *
  3. * Permission is hereby granted, free of charge, to any person obtaining a copy
  4. * of this software and associated documentation files (the "Software"), to deal
  5. * in the Software without restriction, including without limitation the rights
  6. * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  7. * copies of the Software, and to permit persons to whom the Software is
  8. * furnished to do so, subject to the following conditions:
  9. *
  10. * The above copyright notice and this permission notice shall be included in
  11. * all copies or substantial portions of the Software.
  12. *
  13. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  19. * THE SOFTWARE.
  20. *
  21. *===-----------------------------------------------------------------------===
  22. */
  23. #ifndef __IMMINTRIN_H
  24. #error "Never use <xtestintrin.h> directly; include <immintrin.h> instead."
  25. #endif
  26. #ifndef __XTESTINTRIN_H
  27. #define __XTESTINTRIN_H
  28. /* xtest returns non-zero if the instruction is executed within an RTM or active
  29. * HLE region. */
  30. /* FIXME: This can be an either or for RTM/HLE. Deal with this when HLE is
  31. * supported. */
  32. static __inline__ int
  33. __attribute__((__always_inline__, __nodebug__, __target__("rtm")))
  34. _xtest(void) {
  35. return __builtin_ia32_xtest();
  36. }
  37. #endif