diff options
Diffstat (limited to 'soft-fp/soft-fp.h')
| -rw-r--r-- | soft-fp/soft-fp.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/soft-fp/soft-fp.h b/soft-fp/soft-fp.h index ead9c97..4018b0e 100644 --- a/soft-fp/soft-fp.h +++ b/soft-fp/soft-fp.h @@ -108,9 +108,15 @@ #endif /* Initialize any machine-specific state used in + FP_TRAPPING_EXCEPTIONS or FP_HANDLE_EXCEPTIONS. */ +#ifndef FP_INIT_TRAPPING_EXCEPTIONS +# define FP_INIT_TRAPPING_EXCEPTIONS FP_INIT_ROUNDMODE +#endif + +/* Initialize any machine-specific state used in FP_HANDLE_EXCEPTIONS. */ #ifndef FP_INIT_EXCEPTIONS -# define FP_INIT_EXCEPTIONS FP_INIT_ROUNDMODE +# define FP_INIT_EXCEPTIONS FP_INIT_TRAPPING_EXCEPTIONS #endif #ifndef FP_HANDLE_EXCEPTIONS @@ -162,6 +168,16 @@ #endif +/* A file using soft-fp may define FP_NO_EXACT_UNDERFLOW before + including soft-fp.h to indicate that, although a macro used there + could allow for the case of exact underflow requiring the underflow + exception to be raised if traps are enabled, for the particular + arguments used in that file no exact underflow can occur. */ +#ifdef FP_NO_EXACT_UNDERFLOW +# undef FP_TRAPPING_EXCEPTIONS +# define FP_TRAPPING_EXCEPTIONS 0 +#endif + #define _FP_ROUND_NEAREST(wc, X) \ do \ { \ |