diff options
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/alpha/alpha/fp_complete.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/arch/alpha/alpha/fp_complete.c b/sys/arch/alpha/alpha/fp_complete.c index 112f77af432..ee94b2da568 100644 --- a/sys/arch/alpha/alpha/fp_complete.c +++ b/sys/arch/alpha/alpha/fp_complete.c @@ -1,4 +1,4 @@ -/* $OpenBSD: fp_complete.c,v 1.7 2006/02/25 03:58:56 deraadt Exp $ */ +/* $OpenBSD: fp_complete.c,v 1.8 2008/10/07 22:06:29 martynas Exp $ */ /* $NetBSD: fp_complete.c,v 1.5 2002/01/18 22:15:56 ross Exp $ */ /*- @@ -310,6 +310,10 @@ cvt_qt_dg_qg(u_int32_t inst_bits, struct proc *p) * unfortunate habit of always returning the nontrapping result. * XXX: there are several apparent AARM/AAH disagreements, as well as * the issue of trap handler pc and trapping results. + * XXX: this function will work for signed and unsigned 64-bit integers. + * rounding will happen per IEEE 754. invalid exception will be + * raised if argument is infinity, not-a-number or if it + * overflows/underflows. zero will be returned, in this case. */ static void cvt_tq_gq(u_int32_t inst_bits, struct proc *p) @@ -319,7 +323,7 @@ cvt_tq_gq(u_int32_t inst_bits, struct proc *p) inst.bits = inst_bits; stt(inst.float_detail.fb, &tfb, p); - tfc.i = float64_to_int64(tfb.i); + tfc.i = float64_to_int64_no_overflow(tfb.i); alpha_ldt(inst.float_detail.fc, &tfc); /* yes, ldt */ } |