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| author | das <das@FreeBSD.org> | 2012-01-16 04:08:29 +0000 |
|---|---|---|
| committer | das <das@FreeBSD.org> | 2012-01-16 04:08:29 +0000 |
| commit | d54add422b62c537333fcabdbe18e22974788b85 (patch) | |
| tree | 43989f318ba3f507364b3031e1056639c15dac42 /sys/arm | |
| parent | dd671a50d4b918f6882bd4ed7ac5114e4207e1d1 (diff) | |
| download | FreeBSD-src-d54add422b62c537333fcabdbe18e22974788b85.zip FreeBSD-src-d54add422b62c537333fcabdbe18e22974788b85.tar.gz | |
Implement FLT_ROUNDS for arm. Some (all?) arm FPUs lack support for
dynamic rounding modes, but FPUless chips that use softfloat can support it
because everything is emulated anyway. (We presently have incomplete
support for hardware FPUs.)
Submitted by: Ian Lepore
Diffstat (limited to 'sys/arm')
| -rw-r--r-- | sys/arm/include/float.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/arm/include/float.h b/sys/arm/include/float.h index ac5ceb9..4696eae 100644 --- a/sys/arm/include/float.h +++ b/sys/arm/include/float.h @@ -44,7 +44,11 @@ extern int __flt_rounds(void); __END_DECLS #define FLT_RADIX 2 /* b */ -#define FLT_ROUNDS -1 +#ifndef _ARM_HARD_FLOAT +#define FLT_ROUNDS __flt_rounds() +#else +#define FLT_ROUNDS (-1) +#endif #define FLT_EVAL_METHOD (-1) /* XXX */ #define DECIMAL_DIG 17 /* max precision in decimal digits */ |
