clang/lib/Headers/xtestintrin.h

   1 /*===---- xtestintrin.h - XTEST intrinsic ----------------------------------===
   2  *
   3  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4  * See https://llvm.org/LICENSE.txt for license information.
   5  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6  *
   7  *===-----------------------------------------------------------------------===
   8  */
   9
  10 #ifndef __IMMINTRIN_H
  11 #error "Never use <xtestintrin.h> directly; include <immintrin.h> instead."
  12 #endif
  13
  14 #ifndef __XTESTINTRIN_H
  15 #define __XTESTINTRIN_H
  16
  17 /* xtest returns non-zero if the instruction is executed within an RTM or active
  18  * HLE region. */
  19 /* FIXME: This can be an either or for RTM/HLE. Deal with this when HLE is
  20  * supported. */
  21 static __inline__ int
  22     __attribute__((__always_inline__, __nodebug__, __target__("rtm")))
  23     _xtest(void) {
  24   return __builtin_ia32_xtest();
  25 }
  26
  27 #endif