xref: /aosp_15_r20/prebuilts/clang-tools/linux-x86/clang-headers/xtestintrin.h (revision bed243d3d9cd544cfb038bfa7be843dedc6e6bf7)
1*bed243d3SAndroid Build Coastguard Worker /*===---- xtestintrin.h - XTEST intrinsic ----------------------------------===
2*bed243d3SAndroid Build Coastguard Worker  *
3*bed243d3SAndroid Build Coastguard Worker  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*bed243d3SAndroid Build Coastguard Worker  * See https://llvm.org/LICENSE.txt for license information.
5*bed243d3SAndroid Build Coastguard Worker  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*bed243d3SAndroid Build Coastguard Worker  *
7*bed243d3SAndroid Build Coastguard Worker  *===-----------------------------------------------------------------------===
8*bed243d3SAndroid Build Coastguard Worker  */
9*bed243d3SAndroid Build Coastguard Worker 
10*bed243d3SAndroid Build Coastguard Worker #ifndef __IMMINTRIN_H
11*bed243d3SAndroid Build Coastguard Worker #error "Never use <xtestintrin.h> directly; include <immintrin.h> instead."
12*bed243d3SAndroid Build Coastguard Worker #endif
13*bed243d3SAndroid Build Coastguard Worker 
14*bed243d3SAndroid Build Coastguard Worker #ifndef __XTESTINTRIN_H
15*bed243d3SAndroid Build Coastguard Worker #define __XTESTINTRIN_H
16*bed243d3SAndroid Build Coastguard Worker 
17*bed243d3SAndroid Build Coastguard Worker /* xtest returns non-zero if the instruction is executed within an RTM or active
18*bed243d3SAndroid Build Coastguard Worker  * HLE region. */
19*bed243d3SAndroid Build Coastguard Worker /* FIXME: This can be an either or for RTM/HLE. Deal with this when HLE is
20*bed243d3SAndroid Build Coastguard Worker  * supported. */
21*bed243d3SAndroid Build Coastguard Worker static __inline__ int
22*bed243d3SAndroid Build Coastguard Worker     __attribute__((__always_inline__, __nodebug__, __target__("rtm")))
_xtest(void)23*bed243d3SAndroid Build Coastguard Worker     _xtest(void) {
24*bed243d3SAndroid Build Coastguard Worker   return __builtin_ia32_xtest();
25*bed243d3SAndroid Build Coastguard Worker }
26*bed243d3SAndroid Build Coastguard Worker 
27*bed243d3SAndroid Build Coastguard Worker #endif
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