libc/include/llvm-libc-types/fenv_t.h

   1 //===-- Definition of type fenv_t -----------------------------------------===//
   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_TYPES_FENV_T_H
  10 #define LLVM_LIBC_TYPES_FENV_T_H
  11
  12 #ifdef __aarch64__
  13 typedef struct {
  14   unsigned char __control_word[4];
  15   unsigned char __status_word[4];
  16 } fenv_t;
  17 #elif defined(__x86_64__)
  18 typedef struct {
  19   unsigned char __x86_status[28];
  20   unsigned char __mxcsr[4];
  21 } fenv_t;
  22 #elif defined(__arm__) || defined(_M_ARM)
  23 typedef struct {
  24   unsigned int __fpscr;
  25 } fenv_t;
  26 #elif defined(__riscv)
  27 typedef unsigned int fenv_t;
  28 #elif defined(__AMDGPU__) || defined(__NVPTX__)
  29 typedef struct {
  30   unsigned int __fpc;
  31 } fenv_t;
  32 #else
  33 #error "fenv_t not defined for your platform"
  34 #endif
  35
  36 #endif // LLVM_LIBC_TYPES_FENV_T_H