diff options
Diffstat (limited to 'gcc/libgcc2.c')
| -rw-r--r-- | gcc/libgcc2.c | 30 |
1 files changed, 4 insertions, 26 deletions
diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c index 08bfc3438e3..cab925665c2 100644 --- a/gcc/libgcc2.c +++ b/gcc/libgcc2.c @@ -1067,33 +1067,11 @@ __floatdidf (DWtype u) #define HIGH_WORD_COEFF (((UDWtype) 1) << WORD_SIZE) #define DI_SIZE (sizeof (DWtype) * BITS_PER_UNIT) -/* Define codes for all the float formats that we know of. Note - that this is copied from real.h. */ +/* GCC guarantees this header exists at this point. */ +#include <float.h> -#define UNKNOWN_FLOAT_FORMAT 0 -#define IEEE_FLOAT_FORMAT 1 -#define VAX_FLOAT_FORMAT 2 -#define IBM_FLOAT_FORMAT 3 - -/* Default to IEEE float if not specified. Nearly all machines use it. */ -#ifndef HOST_FLOAT_FORMAT -#define HOST_FLOAT_FORMAT IEEE_FLOAT_FORMAT -#endif - -#if HOST_FLOAT_FORMAT == IEEE_FLOAT_FORMAT -#define DF_SIZE 53 -#define SF_SIZE 24 -#endif - -#if HOST_FLOAT_FORMAT == IBM_FLOAT_FORMAT -#define DF_SIZE 56 -#define SF_SIZE 24 -#endif - -#if HOST_FLOAT_FORMAT == VAX_FLOAT_FORMAT -#define DF_SIZE 56 -#define SF_SIZE 24 -#endif +#define DF_SIZE DBL_MANT_DIG +#define SF_SIZE FLT_MANT_DIG SFtype __floatdisf (DWtype u) |
