llvm-project/clang/lib/Headers/xtestintrin.h

/*===---- xtestintrin.h - XTEST intrinsic ----------------------------------===
 *
 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 * See https://llvm.org/LICENSE.txt for license information.
 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 *
 *===-----------------------------------------------------------------------===
 */

#ifndef __IMMINTRIN_H
#error "Never use <xtestintrin.h> directly; include <immintrin.h> instead."
#endif

#ifndef __XTESTINTRIN_H
#define __XTESTINTRIN_H

/* xtest returns non-zero if the instruction is executed within an RTM or active
 * HLE region. */
/* FIXME: This can be an either or for RTM/HLE. Deal with this when HLE is
 * supported. */
static __inline__ int
    __attribute__((__always_inline__, __nodebug__, __target__("rtm")))
    _xtest(void) {
  return __builtin_ia32_xtest();
}

#endif