28 lines · c
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-exception6 *7 *===-----------------------------------------------------------------------===8 */9 10#ifndef __IMMINTRIN_H11#error "Never use <xtestintrin.h> directly; include <immintrin.h> instead."12#endif13 14#ifndef __XTESTINTRIN_H15#define __XTESTINTRIN_H16 17/* xtest returns non-zero if the instruction is executed within an RTM or active18 * HLE region. */19/* FIXME: This can be an either or for RTM/HLE. Deal with this when HLE is20 * supported. */21static __inline__ int22 __attribute__((__always_inline__, __nodebug__, __target__("rtm")))23 _xtest(void) {24 return __builtin_ia32_xtest();25}26 27#endif28