diff options
| -rw-r--r-- | i386/i386/fpu.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/i386/i386/fpu.c b/i386/i386/fpu.c index 365187ee..ee8cadcd 100644 --- a/i386/i386/fpu.c +++ b/i386/i386/fpu.c @@ -79,9 +79,14 @@ static unsigned long mxcsr_feature_mask = 0xffffffff; /* Always AND user-provide /* Default FPU configuration */ #define MXCSR_DEFAULT 0x1f80 -#define CWD_DEFAULT ((0x037f \ - & ~(FPC_IM|FPC_ZM|FPC_OM|FPC_PC)) \ - | (FPC_PC_64|FPC_IC_AFF)) +#define CWD_DEFAULT (FPC_PC_64 | /* 64bit precision */ \ + FPC_RC_RN | /* round-to-nearest */ \ + FPC_ZE | /* Suppress zero-divide */ \ + FPC_OE | /* and overflow */ \ + FPC_UE | /* underflow */ \ + FPC_IE | /* Allow NaNQs and +-INF */ \ + FPC_DE | /* Allow denorms as operands */ \ + FPC_PE) /* No trap for precision loss */ \ #if NCPUS == 1 volatile thread_t fp_thread = THREAD_NULL; |