On 10/7/22 06:42, Alex Bennée wrote:
Is ppc unique in not persisting the inexact flag from previous
operations?
Better phrased as "having an additional per-operation flags for inexact and 'rounded'",
because ppc also has the standard ieee sticky inexact flag. But yes, as far as I know ppc
Richard Henderson writes:
> On 10/5/22 07:37, Víctor Colombo wrote:
>> However, the impact in performance was not the expected. In x86_64 I
>> had a small 3% improvement, while in a Power9 machine there was a small
>> performance loss, as can be seem below (100 executions).
>> || min
On 10/5/22 07:37, Víctor Colombo wrote:
However, the impact in performance was not the expected. In x86_64 I
had a small 3% improvement, while in a Power9 machine there was a small
performance loss, as can be seem below (100 executions).
|| min [s] | max [s] | avg [s] |
| before |
As can be seem in the mailing thread that added hardfloat support in
QEMU [1], a requirement for it to work is to have float_flag_inexact
set when entering the API in softfloat.c. However, in the same thread,
it was explained that PPC target would not work by default with this
implementation.
The
