clang/lib/Headers/rtmintrin.h

   1 /*===---- rtmintrin.h - RTM intrinsics -------------------------------------===
   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 <rtmintrin.h> directly; include <immintrin.h> instead."
  12 #endif
  13
  14 #ifndef __RTMINTRIN_H
  15 #define __RTMINTRIN_H
  16
  17 #define _XBEGIN_STARTED   (~0u)
  18 #define _XABORT_EXPLICIT  (1 << 0)
  19 #define _XABORT_RETRY     (1 << 1)
  20 #define _XABORT_CONFLICT  (1 << 2)
  21 #define _XABORT_CAPACITY  (1 << 3)
  22 #define _XABORT_DEBUG     (1 << 4)
  23 #define _XABORT_NESTED    (1 << 5)
  24 #define _XABORT_CODE(x)   (((x) >> 24) & 0xFF)
  25
  26 /* Define the default attributes for the functions in this file. */
  27 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("rtm")))
  28
  29 static __inline__ unsigned int __DEFAULT_FN_ATTRS
  30 _xbegin(void)
  31 {
  32   return (unsigned int)__builtin_ia32_xbegin();
  33 }
  34
  35 static __inline__ void __DEFAULT_FN_ATTRS
  36 _xend(void)
  37 {
  38   __builtin_ia32_xend();
  39 }
  40
  41 #define _xabort(imm) __builtin_ia32_xabort((imm))
  42
  43 #undef __DEFAULT_FN_ATTRS
  44
  45 #endif /* __RTMINTRIN_H */