diff options
| author | Danny <danny@kdrag0n.dev> | 2021-01-09 23:34:32 +0000 |
|---|---|---|
| committer | mosimchah <mosimchah@gmail.com> | 2021-01-22 03:35:20 -0800 |
| commit | 783d21ff74759076d2fc503685ca47d2c29baea3 (patch) | |
| tree | d650cc46cbf7ca53f15c77ced2682e97d492c068 /lib/clang/12.0.0/include/hresetintrin.h | |
| parent | fdbc6f7102056fb52d26bfb2cbc6ea317890ee34 (diff) | |
LLVM commit: https://github.com/llvm/llvm-project/commit/b02eab9058e58782fca32dd8b1e53c27ed93f866
binutils version: 2.35.1
Builder commit: https://github.com/kdrag0n/proton-clang-build/commit/ba42f701467c9103f23fbb90aca4b23858221ee2
Diffstat (limited to 'lib/clang/12.0.0/include/hresetintrin.h')
| -rw-r--r-- | lib/clang/12.0.0/include/hresetintrin.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/lib/clang/12.0.0/include/hresetintrin.h b/lib/clang/12.0.0/include/hresetintrin.h new file mode 100644 index 0000000..13e31a2 --- /dev/null +++ b/lib/clang/12.0.0/include/hresetintrin.h @@ -0,0 +1,49 @@ +/*===---------------- hresetintrin.h - HRESET 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 + * + *===-----------------------------------------------------------------------=== + */ +#ifndef __X86GPRINTRIN_H +#error "Never use <hresetintrin.h> directly; include <x86gprintrin.h> instead." +#endif + +#ifndef __HRESETINTRIN_H +#define __HRESETINTRIN_H + +#if __has_extension(gnu_asm) + +/* Define the default attributes for the functions in this file. */ +#define __DEFAULT_FN_ATTRS \ + __attribute__((__always_inline__, __nodebug__, __target__("hreset"))) + +/// Provides a hint to the processor to selectively reset the prediction +/// history of the current logical processor specified by a 32-bit integer +/// value \a __eax. +/// +/// This intrinsic corresponds to the <c> HRESET </c> instruction. +/// +/// \operation +/// IF __eax == 0 +/// // nop +/// ELSE +/// FOR i := 0 to 31 +/// IF __eax[i] +/// ResetPredictionFeature(i) +/// FI +/// ENDFOR +/// FI +/// \endoperation +static __inline void __DEFAULT_FN_ATTRS +_hreset(int __eax) +{ + __asm__ ("hreset $0" :: "a"(__eax)); +} + +#undef __DEFAULT_FN_ATTRS + +#endif /* __has_extension(gnu_asm) */ + +#endif /* __HRESETINTRIN_H */ |
