Re: [Qemu-devel] [PATCH 1/7] softfloat: Fix sNaN handling in FP conversion operations

2015-02-08 Thread Maciej W. Rozycki
On Fri, 6 Feb 2015, Maciej W. Rozycki wrote: > > >> I think this means that: > > >> (1) we want to put handling of silencing the signaling NaNs > > >> into the NaN conversion functions themselves (since it's > > >> too late to do it correctly once the commonNaNtoFloat16 > > >> function has thr

Re: [Qemu-devel] [PATCH 1/7] softfloat: Fix sNaN handling in FP conversion operations

2015-02-06 Thread Maciej W. Rozycki
On Fri, 6 Feb 2015, Peter Maydell wrote: > > What I think would make sense here is instead of say `float32_to_float64' > > making a call to `float64_maybe_silence_nan' directly, we'd have a static > > inline function or a macro called say `float64_convert_silence_nan' > > invoked where the former

Re: [Qemu-devel] [PATCH 1/7] softfloat: Fix sNaN handling in FP conversion operations

2015-02-06 Thread Peter Maydell
On 6 February 2015 at 14:37, Maciej W. Rozycki wrote: > On Thu, 5 Feb 2015, Peter Maydell wrote: >> Have you looked at the other architectures that use these >> functions to convert float values to see what their NaN >> handling semantics are? I agree about what the spec says, >> but we may well h

Re: [Qemu-devel] [PATCH 1/7] softfloat: Fix sNaN handling in FP conversion operations

2015-02-06 Thread Maciej W. Rozycki
On Thu, 5 Feb 2015, Peter Maydell wrote: > > Fix sNaN handling in floating-point format conversion operations, that > > are classified by the IEEE 754-2008 standard as general-computational > > operations [1]: > > > > "5.4 formatOf general-computational operations > > > > "5.4.2 Conversion operati

Re: [Qemu-devel] [PATCH 1/7] softfloat: Fix sNaN handling in FP conversion operations

2015-02-05 Thread Peter Maydell
Oops, forgot to fix up Maciej's email address... On 5 February 2015 at 16:37, Peter Maydell wrote: > On 9 December 2014 at 01:54, Maciej W. Rozycki wrote: >> Fix sNaN handling in floating-point format conversion operations, that >> are classified by the IEEE 754-2008 standard as general-computat

Re: [Qemu-devel] [PATCH 1/7] softfloat: Fix sNaN handling in FP conversion operations

2015-02-05 Thread Peter Maydell
On 9 December 2014 at 01:54, Maciej W. Rozycki wrote: > Fix sNaN handling in floating-point format conversion operations, that > are classified by the IEEE 754-2008 standard as general-computational > operations [1]: > > "5.4 formatOf general-computational operations > > "5.4.2 Conversion operatio

Re: [Qemu-devel] [PATCH 1/7] softfloat: Fix sNaN handling in FP conversion operations

2015-01-29 Thread Leon Alrae
On 09/12/2014 01:54, Maciej W. Rozycki wrote: > Fix sNaN handling in floating-point format conversion operations, that > are classified by the IEEE 754-2008 standard as general-computational > operations [1]: > > "5.4 formatOf general-computational operations > > "5.4.2 Conversion operations fo

[Qemu-devel] [PATCH 1/7] softfloat: Fix sNaN handling in FP conversion operations

2014-12-08 Thread Maciej W. Rozycki
Fix sNaN handling in floating-point format conversion operations, that are classified by the IEEE 754-2008 standard as general-computational operations [1]: "5.4 formatOf general-computational operations "5.4.2 Conversion operations for floating-point formats and decimal character sequences "