sysdeps/s390/fpu/fenv_libc.h

   1 /* Copyright (C) 2000-2016 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _FENV_LIBC_H
  20 #define _FENV_LIBC_H    1
  21
  22 #include <fenv.h>
  23
  24 /* Definitions from asm/s390-regs-common.h that are needed in glibc.  */
  25
  26
  27 #define FPC_EXCEPTION_MASK      0xF8000000
  28 #define FPC_FLAGS_MASK          0x00F80000
  29 #define FPC_DXC_MASK            0x0000FF00
  30 #define FPC_RM_MASK             0x00000003
  31 #define FPC_VALID_MASK          ((FPC_EXCEPTION_MASK|FPC_FLAGS_MASK| \
  32                                  FPC_DXC_MASK|FPC_RM_MASK))
  33
  34 #define FPC_EXCEPTION_MASK_SHIFT        24
  35 #define FPC_FLAGS_SHIFT                 16
  36 #define FPC_DXC_SHIFT                   8
  37 #define FPC_NOT_FPU_EXCEPTION           0x300
  38
  39 #endif /* _FENV_LIBC_H */