Sasha Smundak | 0fc590b | 2020-10-07 08:11:59 -0700 | [diff] [blame] | 1 | /*===------------- tsxldtrkintrin.h - tsxldtrk 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 <tsxldtrkintrin.h> directly; include <immintrin.h> instead." |
| 12 | #endif |
| 13 | |
| 14 | #ifndef __TSXLDTRKINTRIN_H |
| 15 | #define __TSXLDTRKINTRIN_H |
| 16 | |
| 17 | /* Define the default attributes for the functions in this file */ |
| 18 | #define _DEFAULT_FN_ATTRS \ |
| 19 | __attribute__((__always_inline__, __nodebug__, __target__("tsxldtrk"))) |
| 20 | |
| 21 | /// Marks the start of an TSX (RTM) suspend load address tracking region. If |
| 22 | /// this intrinsic is used inside a transactional region, subsequent loads |
| 23 | /// are not added to the read set of the transaction. If it's used inside a |
| 24 | /// suspend load address tracking region it will cause transaction abort. |
| 25 | /// If it's used outside of a transactional region it behaves like a NOP. |
| 26 | /// |
| 27 | /// \headerfile <x86intrin.h> |
| 28 | /// |
| 29 | /// This intrinsic corresponds to the \c XSUSLDTRK instruction. |
| 30 | /// |
| 31 | static __inline__ void _DEFAULT_FN_ATTRS |
| 32 | _xsusldtrk (void) |
| 33 | { |
| 34 | __builtin_ia32_xsusldtrk(); |
| 35 | } |
| 36 | |
| 37 | /// Marks the end of an TSX (RTM) suspend load address tracking region. If this |
| 38 | /// intrinsic is used inside a suspend load address tracking region it will |
| 39 | /// end the suspend region and all following load addresses will be added to |
| 40 | /// the transaction read set. If it's used inside an active transaction but |
| 41 | /// not in a suspend region it will cause transaction abort. If it's used |
| 42 | /// outside of a transactional region it behaves like a NOP. |
| 43 | /// |
| 44 | /// \headerfile <x86intrin.h> |
| 45 | /// |
| 46 | /// This intrinsic corresponds to the \c XRESLDTRK instruction. |
| 47 | /// |
| 48 | static __inline__ void _DEFAULT_FN_ATTRS |
| 49 | _xresldtrk (void) |
| 50 | { |
| 51 | __builtin_ia32_xresldtrk(); |
| 52 | } |
| 53 | |
| 54 | #undef _DEFAULT_FN_ATTRS |
| 55 | |
| 56 | #endif /* __TSXLDTRKINTRIN_H */ |