diff options
Diffstat (limited to 'arch/i386/bits/fenv.h')
-rw-r--r-- | arch/i386/bits/fenv.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/i386/bits/fenv.h b/arch/i386/bits/fenv.h new file mode 100644 index 00000000..24df0417 --- /dev/null +++ b/arch/i386/bits/fenv.h @@ -0,0 +1,34 @@ +#define FE_INVALID 1 +#define __FE_DENORM 2 +#define FE_DIVBYZERO 4 +#define FE_OVERFLOW 8 +#define FE_UNDERFLOW 16 +#define FE_INEXACT 32 + +#define FE_ALL_EXCEPT 63 + +#define FE_TONEAREST 0 +#define FE_DOWNWARD 0x400 +#define FE_UPWARD 0x800 +#define FE_TOWARDZERO 0xc00 + +typedef unsigned short fexcept_t; + +typedef struct { + unsigned short __control_word; + unsigned short __unused1; + unsigned short __status_word; + unsigned short __unused2; + unsigned short __tags; + unsigned short __unused3; + unsigned int __eip; + unsigned short __cs_selector; + unsigned int __opcode:11; + unsigned int __unused4:5; + unsigned int __data_offset; + unsigned short __data_selector; + unsigned short __unused5; + unsigned int __mxcsr; +} fenv_t; + +#define FE_DFL_ENV ((const fenv_t *) -1) |