Re: [PATCH 1/4] softfloat: silence sNaN for conversions to/from floatx80

2020-05-01 Thread Joseph Myers
On Fri, 1 May 2020, Alex Bennée wrote: > I still see some failures for: > > f64_to_extF80 > f128_to_extF80 Running what I think are those tests, I see e.g. ./fp-test -s -l 1 -r all f64_to_extF80 >> Testing f64_to_extF80 768 tests total. Errors found in f64_to_extF80: -368.800FF

Re: [PATCH 1/4] softfloat: silence sNaN for conversions to/from floatx80

2020-05-01 Thread Richard Henderson
On 5/1/20 9:17 AM, Alex Bennée wrote: > Ideally we want to > convert the extF80 and f128 code to use the newer FloatParts code which > is pretty robustly tested now. However the trick would be finding a way > to do that that doesn't involve break or regressing the performance for > the f16/32/64 ca

Re: [PATCH 1/4] softfloat: silence sNaN for conversions to/from floatx80

2020-05-01 Thread Alex Bennée
Joseph Myers writes: > Conversions between IEEE floating-point formats should convert > signaling NaNs to quiet NaNs. Most of those in QEMU's softfloat code > do so, but those for floatx80 fail to. Fix those conversions to > silence signaling NaNs as well. I realised we hadn't enabled float-

Re: [PATCH 1/4] softfloat: silence sNaN for conversions to/from floatx80

2020-05-01 Thread Alex Bennée
Joseph Myers writes: > Conversions between IEEE floating-point formats should convert > signaling NaNs to quiet NaNs. Most of those in QEMU's softfloat code > do so, but those for floatx80 fail to. Fix those conversions to > silence signaling NaNs as well. > > Signed-off-by: Joseph Myers Th