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      1 /*===---- rtmintrin.h - RTM intrinsics -------------------------------------===
      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 <rtmintrin.h> directly; include <immintrin.h> instead."
     26 #endif
     27 
     28 #ifndef __RTMINTRIN_H
     29 #define __RTMINTRIN_H
     30 
     31 #define _XBEGIN_STARTED   (~0u)
     32 #define _XABORT_EXPLICIT  (1 << 0)
     33 #define _XABORT_RETRY     (1 << 1)
     34 #define _XABORT_CONFLICT  (1 << 2)
     35 #define _XABORT_CAPACITY  (1 << 3)
     36 #define _XABORT_DEBUG     (1 << 4)
     37 #define _XABORT_NESTED    (1 << 5)
     38 #define _XABORT_CODE(x)   (((x) >> 24) & 0xFF)
     39 
     40 /* Define the default attributes for the functions in this file. */
     41 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("rtm")))
     42 
     43 static __inline__ unsigned int __DEFAULT_FN_ATTRS
     44 _xbegin(void)
     45 {
     46   return __builtin_ia32_xbegin();
     47 }
     48 
     49 static __inline__ void __DEFAULT_FN_ATTRS
     50 _xend(void)
     51 {
     52   __builtin_ia32_xend();
     53 }
     54 
     55 #define _xabort(imm) __builtin_ia32_xabort((imm))
     56 
     57 #undef __DEFAULT_FN_ATTRS
     58 
     59 #endif /* __RTMINTRIN_H */
     60