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 28