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Diffstat (limited to 'sysdeps/hppa/fpu/bits/fenv.h')
| -rw-r--r-- | sysdeps/hppa/fpu/bits/fenv.h | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/sysdeps/hppa/fpu/bits/fenv.h b/sysdeps/hppa/fpu/bits/fenv.h deleted file mode 100644 index 72e06213fa..0000000000 --- a/sysdeps/hppa/fpu/bits/fenv.h +++ /dev/null @@ -1,99 +0,0 @@ -/* Copyright (C) 2000-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by David Huggins-Daines <dhd@debian.org> - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - <http://www.gnu.org/licenses/>. */ - -#ifndef _FENV_H -# error "Never use <bits/fenv.h> directly; include <fenv.h> instead." -#endif - -/* Define bits representing the exception. We use the values of the - appropriate enable bits in the FPU status word (which, - coincidentally, are the same as the flag bits, but shifted right by - 27 bits). */ -enum -{ - FE_INVALID = -#define FE_INVALID (1<<4) /* V */ - FE_INVALID, - FE_DIVBYZERO = -#define FE_DIVBYZERO (1<<3) /* Z */ - FE_DIVBYZERO, - FE_OVERFLOW = -#define FE_OVERFLOW (1<<2) /* O */ - FE_OVERFLOW, - FE_UNDERFLOW = -#define FE_UNDERFLOW (1<<1) /* U */ - FE_UNDERFLOW, - FE_INEXACT = -#define FE_INEXACT (1<<0) /* I */ - FE_INEXACT, -}; - -#define FE_ALL_EXCEPT \ - (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID) - -/* The PA-RISC FPU supports all of the four defined rounding modes. - We use the values of the RM field in the floating point status - register for the appropriate macros. */ -enum - { - FE_TONEAREST = -#define FE_TONEAREST (0 << 9) - FE_TONEAREST, - FE_TOWARDZERO = -#define FE_TOWARDZERO (1 << 9) - FE_TOWARDZERO, - FE_UPWARD = -#define FE_UPWARD (2 << 9) - FE_UPWARD, - FE_DOWNWARD = -#define FE_DOWNWARD (3 << 9) - FE_DOWNWARD, - }; - -/* Type representing exception flags. */ -typedef unsigned int fexcept_t; - -/* Type representing floating-point environment. This structure - corresponds to the layout of the status and exception words in the - register file. The exception registers are never saved/stored by - userspace. This structure is also not correctly aligned ever, in - an ABI error we left out __aligned(8) and subsequently all of our - fenv functions must accept unaligned input, align the input, and - then use assembly to store fr0. This is a performance hit, but - means the ABI is stable. */ -typedef struct -{ - unsigned int __status_word; - unsigned int __exception[7]; -} fenv_t; - -/* If the default argument is used we use this value. */ -#define FE_DFL_ENV ((const fenv_t *) -1) - -#ifdef __USE_GNU -/* Floating-point environment where none of the exceptions are masked. */ -# define FE_NOMASK_ENV ((const fenv_t *) -2) -#endif - -#if __GLIBC_USE (IEC_60559_BFP_EXT) -/* Type representing floating-point control modes. */ -typedef unsigned int femode_t; - -/* Default floating-point control modes. */ -# define FE_DFL_MODE ((const femode_t *) -1L) -#endif |