1 /*===---- xtestintrin.h - XTEST intrinsic ---------------------------------=== 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a copy 4 * of this software and associated documentation files (the "Software"), to deal 5 * in the Software without restriction, including without limitation the rights 6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 * copies of the Software, and to permit persons to whom the Software is 8 * furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in 11 * all copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19 * THE SOFTWARE. 20 * 21 *===-----------------------------------------------------------------------=== 22 */ 23 24 #ifndef __IMMINTRIN_H 25 #error "Never use <xtestintrin.h> directly; include <immintrin.h> instead." 26 #endif 27 28 #ifndef __XTESTINTRIN_H 29 #define __XTESTINTRIN_H 30 31 /* xtest returns non-zero if the instruction is executed within an RTM or active 32 * HLE region. */ 33 /* FIXME: This can be an either or for RTM/HLE. Deal with this when HLE is 34 * supported. */ 35 static __inline__ int 36 __attribute__((__always_inline__, __nodebug__, __target__("rtm"))) 37 _xtest(void) { 38 return __builtin_ia32_xtest(); 39 } 40 41 #endif 42
