xref: /freebsd/contrib/llvm-project/clang/lib/Headers/rtmintrin.h (revision 3c4ba5f55438f7afd4f4b0b56f88f2bb505fd6a6)
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 */
46