diff options
| author | Jeff Johnston <jjohnstn@redhat.com> | 2002-07-16 01:35:44 +0400 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2002-07-16 01:35:44 +0400 |
| commit | 38b5dc59abeb40f5124cd1ca121c3fc2e2071846 (patch) | |
| tree | e54aecd9c49e5e90ff8705f82be2107e555b16c3 /newlib/libc/include/machine/ieeefp.h | |
| parent | 8cb61a96e6e796f3a3894d51059ef254310a5410 (diff) | |
2002-07-15 Jeff Johnston <jjohnstn@redhat.com>
* libc/include/machine/ieeefp.h: Change to only define
floating point defines (e.g one of __IEEE_BIG_ENDIAN or
__IEEE_LITTLE_ENDIAN must be defined for each platform).
* libc/include/sys/config.h: Include <machine/ieeefp.h> and
remove redundant floating point definitions.
Diffstat (limited to 'newlib/libc/include/machine/ieeefp.h')
| -rw-r--r-- | newlib/libc/include/machine/ieeefp.h | 62 |
1 files changed, 43 insertions, 19 deletions
diff --git a/newlib/libc/include/machine/ieeefp.h b/newlib/libc/include/machine/ieeefp.h index bdd432e06..b0e4536a2 100644 --- a/newlib/libc/include/machine/ieeefp.h +++ b/newlib/libc/include/machine/ieeefp.h @@ -15,9 +15,40 @@ Defined if the float format does not support IEEE denormals. Every float with a zero exponent is taken to be a zero representation. + + ??? At the moment, there are no equivalent macros above for doubles and + the macros are not fully supported by --enable-newlib-hw-fp. - ??? At the moment, there are no equivalent macros for doubles and - the macros are not fully supported by --enable-newlib-hw-fp. */ + __IEEE_BIG_ENDIAN + + Defined if the float format is big endian. This is mutually exclusive + with __IEEE_LITTLE_ENDIAN. + + __IEEE_LITTLE_ENDIAN + + Defined if the float format is little endian. This is mutually exclusive + with __IEEE_BIG_ENDIAN. + + Note that one of __IEEE_BIG_ENDIAN or __IEEE_LITTLE_ENDIAN must be specified for a + platform or error will occur. + + __IEEE_BYTES_LITTLE_ENDIAN + + This flag is used in conjunction with __IEEE_BIG_ENDIAN to describe a situation + whereby multiple words of an IEEE floating point are in big endian order, but the + words themselves are little endian with respect to the bytes. + + _DOUBLE_IS_32_BITS + + This is used on platforms that support double by using the 32-bit IEEE + float type. + + _FLOAT_ARG + + This represents what type a float arg is passed as. It is used when the type is + not promoted to double. + +*/ #if defined(__arm__) || defined(__thumb__) /* ARM always has big-endian words. Within those words the byte ordering @@ -44,15 +75,9 @@ #define __IEEE_BIG_ENDIAN #endif -#if defined (__H8300__) || defined (__H8300H__) || defined (__H8300S__) -#define __IEEE_BIG_ENDIAN -#define __SMALL_BITFIELDS -#define _DOUBLE_IS_32BITS -#endif - -#ifdef __H8500__ +#if defined (__H8300__) || defined (__H8300H__) || defined (__H8300S__) || defined (__H8500__) #define __IEEE_BIG_ENDIAN -#define __SMALL_BITFIELDS +#define _FLOAT_ARG float #define _DOUBLE_IS_32BITS #endif @@ -102,11 +127,14 @@ #define __IEEE_BIG_ENDIAN #endif +#ifdef __D30V__ +#define __IEEE_BIG_ENDIAN +#endif + /* necv70 was __IEEE_LITTLE_ENDIAN. */ #ifdef __W65__ #define __IEEE_LITTLE_ENDIAN -#define __SMALL_BITFIELDS #define _DOUBLE_IS_32BITS #endif @@ -124,7 +152,6 @@ #ifdef __mn10200__ #define __IEEE_LITTLE_ENDIAN -#define __SMALL_BITFIELDS #define _DOUBLE_IS_32BITS #endif @@ -141,7 +168,6 @@ #if __DOUBLE__ == 32 #define _DOUBLE_IS_32BITS #endif -#define __SMALL_BITFIELDS #endif #ifdef __PPC__ @@ -154,6 +180,10 @@ #endif #endif +#ifdef __xstormy16__ +#define __IEEE_LITTLE_ENDIAN +#endif + #ifdef __arc__ #ifdef __big_endian__ #define __IEEE_BIG_ENDIAN @@ -184,7 +214,6 @@ #ifdef __AVR__ #define __IEEE_LITTLE_ENDIAN -#define __SMALL_BITFIELDS #define _DOUBLE_IS_32BITS #endif @@ -192,11 +221,6 @@ #define __IEEE_BIG_ENDIAN #endif -#ifdef __xstormy16__ -#define __IEEE_LITTLE_ENDIAN -#define __SMALL_BITFIELDS -#endif - #ifndef __IEEE_BIG_ENDIAN #ifndef __IEEE_LITTLE_ENDIAN #error Endianess not declared!! |