libc/include/llvm-libc-macros/float16-macros.h

   1 //===-- Detection of _Float16 compiler builtin type -----------------------===//
   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_MACROS_FLOAT16_MACROS_H
  10 #define LLVM_LIBC_MACROS_FLOAT16_MACROS_H
  11
  12 #include "../llvm-libc-types/float128.h"
  13
  14 #if defined(__FLT16_MANT_DIG__) &&                                             \
  15     (!defined(__GNUC__) || __GNUC__ >= 13 || defined(__clang__)) &&            \
  16     !defined(__arm__) && !defined(_M_ARM) && !defined(__riscv)
  17 #define LIBC_TYPES_HAS_FLOAT16
  18
  19 // TODO: This would no longer be required if HdrGen let us guard function
  20 // declarations with multiple macros.
  21 #ifdef LIBC_TYPES_HAS_FLOAT128
  22 #define LIBC_TYPES_HAS_FLOAT16_AND_FLOAT128
  23 #endif // LIBC_TYPES_HAS_FLOAT128
  24 #endif
  25
  26 #endif // LLVM_LIBC_MACROS_FLOAT16_MACROS_H