On 12/31/2013 05:35 AM, Peter Maydell wrote: > From: Tom Musta <tommusta@xxxxxxxxx> > > The float64_to_uint32 has several flaws: > > - for numbers between 2**32 and 2**64, the inexact exception flag > may get incorrectly set. In this case, only the invalid flag > should be set. > > test pattern: 425F81378DC0CD1F / 0x1.f81378dc0cd1fp+38 > > - for numbers between 2**63 and 2**64, incorrect results may > be produced: > > test pattern: 43EAAF73F1F0B8BD / 0x1.aaf73f1f0b8bdp+63 > > This patch re-implements float64_to_uint32 to re-use the > float64_to_uint64 routine (instead of float64_to_int64). For the > saturation case, we ignore any flags which the conversion routine > has set and raise only the invalid flag. > > This contribution can be licensed under either the softfloat-2a or -2b > license. > > Signed-off-by: Tom Musta <tommusta@xxxxxxxxx> > Message-id: 1387397961-4894-5-git-send-email-tommusta@xxxxxxxxx > Signed-off-by: Peter Maydell <peter.maydell@xxxxxxxxxx> > --- > fpu/softfloat.c | 15 +++++++-------- > 1 file changed, 7 insertions(+), 8 deletions(-) Reviewed-by: Richard Henderson <rth@xxxxxxxxxxx> r~ _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/cucslists/listinfo/kvmarm
