diff options
Diffstat (limited to 'sysdeps/mips/bits/fenv.h')
| -rw-r--r-- | sysdeps/mips/bits/fenv.h | 48 |
1 files changed, 34 insertions, 14 deletions
diff --git a/sysdeps/mips/bits/fenv.h b/sysdeps/mips/bits/fenv.h index 37d0a9e64d..d13d6b3328 100644 --- a/sysdeps/mips/bits/fenv.h +++ b/sysdeps/mips/bits/fenv.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1998-2018 Free Software Foundation, Inc. +/* Copyright (C) 1998-2019 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -13,35 +13,37 @@ 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/>. */ + <https://www.gnu.org/licenses/>. */ #ifndef _FENV_H # error "Never use <bits/fenv.h> directly; include <fenv.h> instead." #endif +#ifdef __mips_hard_float + /* Define bits representing the exception. We use the bit positions of the appropriate bits in the FPU control word. */ enum { FE_INEXACT = -#define FE_INEXACT 0x04 +# define FE_INEXACT 0x04 FE_INEXACT, FE_UNDERFLOW = -#define FE_UNDERFLOW 0x08 +# define FE_UNDERFLOW 0x08 FE_UNDERFLOW, FE_OVERFLOW = -#define FE_OVERFLOW 0x10 +# define FE_OVERFLOW 0x10 FE_OVERFLOW, FE_DIVBYZERO = -#define FE_DIVBYZERO 0x20 +# define FE_DIVBYZERO 0x20 FE_DIVBYZERO, FE_INVALID = -#define FE_INVALID 0x40 +# define FE_INVALID 0x40 FE_INVALID, }; -#define FE_ALL_EXCEPT \ +# define FE_ALL_EXCEPT \ (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID) /* The MIPS FPU supports all of the four defined rounding modes. We @@ -50,19 +52,37 @@ enum enum { FE_TONEAREST = -#define FE_TONEAREST 0x0 +# define FE_TONEAREST 0x0 FE_TONEAREST, FE_TOWARDZERO = -#define FE_TOWARDZERO 0x1 +# define FE_TOWARDZERO 0x1 FE_TOWARDZERO, FE_UPWARD = -#define FE_UPWARD 0x2 +# define FE_UPWARD 0x2 FE_UPWARD, FE_DOWNWARD = -#define FE_DOWNWARD 0x3 +# define FE_DOWNWARD 0x3 FE_DOWNWARD }; +#else + +/* In the soft-float case, only rounding to nearest is supported, with + no exceptions. */ + +enum + { + __FE_UNDEFINED = -1, + + FE_TONEAREST = +# define FE_TONEAREST 0x0 + FE_TONEAREST + }; + +# define FE_ALL_EXCEPT 0 + +#endif + /* Type representing exception flags. */ typedef unsigned short int fexcept_t; @@ -79,12 +99,12 @@ fenv_t; /* If the default argument is used we use this value. */ #define FE_DFL_ENV ((const fenv_t *) -1) -#ifdef __USE_GNU +#if defined __USE_GNU && defined __mips_hard_float /* Floating-point environment where none of the exception is masked. */ # define FE_NOMASK_ENV ((const fenv_t *) -2) #endif -#if __GLIBC_USE (IEC_60559_BFP_EXT) +#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X) /* Type representing floating-point control modes. */ typedef unsigned int femode_t; |