On 04/14/2011 09:48 AM, Peter Maydell wrote:
> Or the other approach would be to do something like
> how the 'denormal-input-went-to-zero' case is handled: have
> an extra float_flag for float_flag_output_denormal, and let
> targets either (a) special-case it or (b) merge it with
> whichever of und
On 14 April 2011 17:27, Richard Henderson wrote:
> On 04/14/2011 08:39 AM, Peter Maydell wrote:
>>> Exponent underflow and disabled:
>>> Supply +0, no exception delivered to user.
>>>
>>> Exponent underflow and enabled:
>>> Supply +-MIN denorm, Underflow delivered to user.
>>>
>>> Footn
On 04/14/2011 08:39 AM, Peter Maydell wrote:
>> Exponent underflow and disabled:
>>Supply +0, no exception delivered to user.
>>
>> Exponent underflow and enabled:
>>Supply +-MIN denorm, Underflow delivered to user.
>>
>>Footnote 3, Overflow and Underflow have priority over Inexact.
>
On 14 April 2011 16:14, Richard Henderson wrote:
> On 04/14/2011 02:14 AM, Peter Maydell wrote:
>> While we're on the subject of Alpha and flush-to-zero modes,
>> do you know what exception bits should get set when Alpha
>> flushes a denormal output (not input) to zero?
> ...
>> I think Alpha shou
On 04/14/2011 02:14 AM, Peter Maydell wrote:
> While we're on the subject of Alpha and flush-to-zero modes,
> do you know what exception bits should get set when Alpha
> flushes a denormal output (not input) to zero?
...
> I think Alpha should set Inexact and not Underflow, but
> I'm not sure -- ca
On 13 April 2011 16:38, Richard Henderson wrote:
> (It looks like some of the Alpha code can be cleaned up a bit.
> I don't recall flush_inputs_to_zero option being there before,
> and we do that by hand in helper_ieee_input*.)
While we're on the subject of Alpha and flush-to-zero modes,
do you k
On Wed, Apr 13, 2011 at 08:53:27AM -0700, Richard Henderson wrote:
> On 04/13/2011 08:42 AM, Peter Maydell wrote:
> > On 13 April 2011 16:38, Richard Henderson wrote:
> >> [ Odd, the original thread doesn't seem to have arrived here. ]
> >>
> >> On 04/13/2011 07:52 AM, Peter Maydell wrote:
> >>> S
[ Odd, the original thread doesn't seem to have arrived here. ]
On 04/13/2011 07:52 AM, Peter Maydell wrote:
> So I think you want the _quiet version here. (And helper_cmpteq
> needs to use float64_eq_quiet rather than float64_eq.)
Yes, the _quiet version is what's needed for all comparisons.
Fo
On 04/13/2011 08:42 AM, Peter Maydell wrote:
> On 13 April 2011 16:38, Richard Henderson wrote:
>> [ Odd, the original thread doesn't seem to have arrived here. ]
>>
>> On 04/13/2011 07:52 AM, Peter Maydell wrote:
>>> So I think you want the _quiet version here. (And helper_cmpteq
>>> needs to use
On 13 April 2011 16:38, Richard Henderson wrote:
> [ Odd, the original thread doesn't seem to have arrived here. ]
>
> On 04/13/2011 07:52 AM, Peter Maydell wrote:
>> So I think you want the _quiet version here. (And helper_cmpteq
>> needs to use float64_eq_quiet rather than float64_eq.)
>
> Yes,
On 12 April 2011 22:59, Aurelien Jarno wrote:
> Use float64_unordered() in helper_cmptun() instead of doing the
> the comparison manually. This also fixes the wrong behaviours with
> sNaNs.
>
> Signed-off-by: Aurelien Jarno
> ---
> target-alpha/op_helper.c | 5 +++--
> 1 files changed, 3 inse
Use float64_unordered() in helper_cmptun() instead of doing the
the comparison manually. This also fixes the wrong behaviours with
sNaNs.
Signed-off-by: Aurelien Jarno
---
target-alpha/op_helper.c |5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/target-alpha/op_helper
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