diff options
| author | Thomas Schwinge <thomas@codesourcery.com> | 2013-02-28 17:12:25 +0100 |
|---|---|---|
| committer | Thomas Schwinge <thomas@codesourcery.com> | 2013-03-15 19:06:02 +0100 |
| commit | 67e971f18ffc9b3ea57cbccba54d5203d1e6a988 (patch) | |
| tree | f62ff6123ac01815295b6d6f6f9dba73c1c65862 /ports | |
| parent | 64487e126468f91ecdfe7ab7a0f3a82762874d5a (diff) | |
Better distinguish between NaN/qNaN/sNaN.
Diffstat (limited to 'ports')
| -rw-r--r-- | ports/sysdeps/mips/bits/nan.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/ports/sysdeps/mips/bits/nan.h b/ports/sysdeps/mips/bits/nan.h index 7aa157b1d6..80f7866a97 100644 --- a/ports/sysdeps/mips/bits/nan.h +++ b/ports/sysdeps/mips/bits/nan.h @@ -22,10 +22,10 @@ /* IEEE Not A Number. */ -/* Note that MIPS has the QNaN and SNaN patterns reversed compared to most - other architectures. The IEEE spec left the definition of this open to +/* Note that MIPS has the qNaN and sNaN patterns reversed compared to most + other architectures. IEEE 754-1985 left the definition of this open to implementations, and for MIPS the top bit of the mantissa must be SET to - indicate a SNaN. */ + indicate a sNaN. */ #if __GNUC_PREREQ(3,3) @@ -43,14 +43,14 @@ # include <endian.h> # if __BYTE_ORDER == __BIG_ENDIAN -# define __nan_bytes { 0x7f, 0xbf, 0xff, 0xff } +# define __qnan_bytes { 0x7f, 0xbf, 0xff, 0xff } # endif # if __BYTE_ORDER == __LITTLE_ENDIAN -# define __nan_bytes { 0xff, 0xff, 0xbf, 0x7f } +# define __qnan_bytes { 0xff, 0xff, 0xbf, 0x7f } # endif -static union { unsigned char __c[4]; float __d; } __nan_union - __attribute__ ((__unused__)) = { __nan_bytes }; -# define NAN (__nan_union.__d) +static union { unsigned char __c[4]; float __d; } __qnan_union + __attribute__ ((__unused__)) = { __qnan_bytes }; +# define NAN (__qnan_union.__d) #endif /* GCC. */ |