| 1 | //===-- Compile time cpu feature detection ----------------------*- C++ -*-===// |
|---|
| 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 | // This file lists target cpu features by introspecting compiler enabled |
|---|
| 9 | // preprocessor definitions. |
|---|
| 10 | //===----------------------------------------------------------------------===// |
|---|
| 11 | |
|---|
| 12 | #ifndef LLVM_LIBC_SRC___SUPPORT_MACROS_PROPERTIES_CPU_FEATURES_H |
|---|
| 13 | #define LLVM_LIBC_SRC___SUPPORT_MACROS_PROPERTIES_CPU_FEATURES_H |
|---|
| 14 | |
|---|
| 15 | #include "architectures.h" |
|---|
| 16 | |
|---|
| 17 | #if defined(__SSE2__) |
|---|
| 18 | #define LIBC_TARGET_CPU_HAS_SSE2 |
|---|
| 19 | #endif |
|---|
| 20 | |
|---|
| 21 | #if defined(__SSE4_2__) |
|---|
| 22 | #define LIBC_TARGET_CPU_HAS_SSE4_2 |
|---|
| 23 | #endif |
|---|
| 24 | |
|---|
| 25 | #if defined(__AVX__) |
|---|
| 26 | #define LIBC_TARGET_CPU_HAS_AVX |
|---|
| 27 | #endif |
|---|
| 28 | |
|---|
| 29 | #if defined(__AVX2__) |
|---|
| 30 | #define LIBC_TARGET_CPU_HAS_AVX2 |
|---|
| 31 | #endif |
|---|
| 32 | |
|---|
| 33 | #if defined(__AVX512F__) |
|---|
| 34 | #define LIBC_TARGET_CPU_HAS_AVX512F |
|---|
| 35 | #endif |
|---|
| 36 | |
|---|
| 37 | #if defined(__AVX512BW__) |
|---|
| 38 | #define LIBC_TARGET_CPU_HAS_AVX512BW |
|---|
| 39 | #endif |
|---|
| 40 | |
|---|
| 41 | #if defined(__ARM_FEATURE_FMA) || (defined(__AVX2__) && defined(__FMA__)) || \ |
|---|
| 42 | defined(__NVPTX__) || defined(__AMDGPU__) || defined(__LIBC_RISCV_USE_FMA) |
|---|
| 43 | #define LIBC_TARGET_CPU_HAS_FMA |
|---|
| 44 | #endif |
|---|
| 45 | |
|---|
| 46 | #if defined(LIBC_TARGET_ARCH_IS_AARCH64) || \ |
|---|
| 47 | (defined(LIBC_TARGET_ARCH_IS_X86_64) && \ |
|---|
| 48 | defined(LIBC_TARGET_CPU_HAS_SSE4_2)) |
|---|
| 49 | #define LIBC_TARGET_CPU_HAS_NEAREST_INT |
|---|
| 50 | #endif |
|---|
| 51 | |
|---|
| 52 | #endif // LLVM_LIBC_SRC___SUPPORT_MACROS_PROPERTIES_CPU_FEATURES_H |
|---|
| 53 | |
|---|
