| /*===---- rdpruintrin.h - RDPRU intrinsics ---------------------------------=== |
| * |
| * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| * See https://llvm.org/LICENSE.txt for license information. |
| * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| * |
| *===-----------------------------------------------------------------------=== |
| */ |
| |
| #if !defined __X86INTRIN_H |
| #error "Never use <rdpruintrin.h> directly; include <x86intrin.h> instead." |
| #endif |
| |
| #ifndef __RDPRUINTRIN_H |
| #define __RDPRUINTRIN_H |
| |
| /* Define the default attributes for the functions in this file. */ |
| #define __DEFAULT_FN_ATTRS \ |
| __attribute__((__always_inline__, __nodebug__, __target__("rdpru"))) |
| |
| |
| /// Reads the content of a processor register. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> RDPRU </c> instruction. |
| /// |
| /// \param reg_id |
| /// A processor register identifier. |
| static __inline__ unsigned long long __DEFAULT_FN_ATTRS |
| __rdpru (int reg_id) |
| { |
| return __builtin_ia32_rdpru(reg_id); |
| } |
| |
| #define __RDPRU_MPERF 0 |
| #define __RDPRU_APERF 1 |
| |
| /// Reads the content of processor register MPERF. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic generates instruction <c> RDPRU </c> to read the value of |
| /// register MPERF. |
| #define __mperf() __builtin_ia32_rdpru(__RDPRU_MPERF) |
| |
| /// Reads the content of processor register APERF. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic generates instruction <c> RDPRU </c> to read the value of |
| /// register APERF. |
| #define __aperf() __builtin_ia32_rdpru(__RDPRU_APERF) |
| |
| #undef __DEFAULT_FN_ATTRS |
| |
| #endif /* __RDPRUINTRIN_H */ |