xref: /freebsd/contrib/llvm-project/clang/lib/Headers/xtestintrin.h (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
1*0b57cec5SDimitry Andric /*===---- xtestintrin.h - XTEST intrinsic ----------------------------------===
2*0b57cec5SDimitry Andric  *
3*0b57cec5SDimitry Andric  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*0b57cec5SDimitry Andric  * See https://llvm.org/LICENSE.txt for license information.
5*0b57cec5SDimitry Andric  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*0b57cec5SDimitry Andric  *
7*0b57cec5SDimitry Andric  *===-----------------------------------------------------------------------===
8*0b57cec5SDimitry Andric  */
9*0b57cec5SDimitry Andric 
10*0b57cec5SDimitry Andric #ifndef __IMMINTRIN_H
11*0b57cec5SDimitry Andric #error "Never use <xtestintrin.h> directly; include <immintrin.h> instead."
12*0b57cec5SDimitry Andric #endif
13*0b57cec5SDimitry Andric 
14*0b57cec5SDimitry Andric #ifndef __XTESTINTRIN_H
15*0b57cec5SDimitry Andric #define __XTESTINTRIN_H
16*0b57cec5SDimitry Andric 
17*0b57cec5SDimitry Andric /* xtest returns non-zero if the instruction is executed within an RTM or active
18*0b57cec5SDimitry Andric  * HLE region. */
19*0b57cec5SDimitry Andric /* FIXME: This can be an either or for RTM/HLE. Deal with this when HLE is
20*0b57cec5SDimitry Andric  * supported. */
21*0b57cec5SDimitry Andric static __inline__ int
22*0b57cec5SDimitry Andric     __attribute__((__always_inline__, __nodebug__, __target__("rtm")))
_xtest(void)23*0b57cec5SDimitry Andric     _xtest(void) {
24*0b57cec5SDimitry Andric   return __builtin_ia32_xtest();
25*0b57cec5SDimitry Andric }
26*0b57cec5SDimitry Andric 
27*0b57cec5SDimitry Andric #endif
28