clang  12.0.0git
xtestintrin.h
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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
static __inline__ int __attribute__((__always_inline__, __nodebug__, __target__("rtm"))) _xtest(void)
Definition: xtestintrin.h:22