diff options
| -rw-r--r-- | sys/alpha/alpha/fp_emulate.c | 2 | ||||
| -rw-r--r-- | sys/alpha/include/fpu.h | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/sys/alpha/alpha/fp_emulate.c b/sys/alpha/alpha/fp_emulate.c index e24ce8895736d..243c17273466d 100644 --- a/sys/alpha/alpha/fp_emulate.c +++ b/sys/alpha/alpha/fp_emulate.c @@ -296,7 +296,7 @@ static int fp_emulate(union alpha_instruction ins, struct thread *td) td->td_pcb->pcb_fp_control = control; /* Regenerate the control register */ - fpcr = fpregs->fpr_cr & FPCR_DYN_MASK; + fpcr = fpregs->fpr_cr & (FPCR_DYN_MASK | FPCR_STATUS_MASK); fpcr |= ((control & IEEE_STATUS_MASK) << IEEE_STATUS_TO_FPCR_SHIFT); if (!(control & IEEE_TRAP_ENABLE_INV)) diff --git a/sys/alpha/include/fpu.h b/sys/alpha/include/fpu.h index 9f4800feeea14..ad539e90451c8 100644 --- a/sys/alpha/include/fpu.h +++ b/sys/alpha/include/fpu.h @@ -56,6 +56,8 @@ #define FPCR_INED (1LL << 62) /* Inexact Disable */ #define FPCR_SUM (1LL << 63) /* Summary Bit */ #define FPCR_MASK (~0LL << 49) +#define FPCR_STATUS_MASK (FPCR_INV | FPCR_DZE | FPCR_OVF | \ + FPCR_UNF | FPCR_INE | FPCR_IOV) /* * Exception summary bits. |