1 //===-- Common header for FMA implementations -------------------*- 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 9 #ifndef LLVM_LIBC_SRC___SUPPORT_FPUTIL_FMA_H 10 #define LLVM_LIBC_SRC___SUPPORT_FPUTIL_FMA_H 11 12 #include "src/__support/CPP/type_traits.h" 13 #include "src/__support/FPUtil/generic/FMA.h" 14 #include "src/__support/macros/config.h" 15 #include "src/__support/macros/properties/architectures.h" 16 #include "src/__support/macros/properties/cpu_features.h" // LIBC_TARGET_CPU_HAS_FMA 17 18 namespace LIBC_NAMESPACE_DECL { 19 namespace fputil { 20 21 template <typename OutType, typename InType> 22 LIBC_INLINE OutType fma(InType x, InType y, InType z) { 23 return generic::fma<OutType>(x, y, z); 24 } 25 26 #ifdef LIBC_TARGET_CPU_HAS_FMA 27 template <> LIBC_INLINE float fma(float x, float y, float z) { 28 return __builtin_fmaf(x, y, z); 29 } 30 31 template <> LIBC_INLINE double fma(double x, double y, double z) { 32 return __builtin_fma(x, y, z); 33 } 34 #endif // LIBC_TARGET_CPU_HAS_FMA 35 36 } // namespace fputil 37 } // namespace LIBC_NAMESPACE_DECL 38 39 #endif // LLVM_LIBC_SRC___SUPPORT_FPUTIL_FMA_H 40