Le 23/09/2022 à 09:32, Michael Ellerman a écrit :
> Christophe Leroy writes:
>> Le 19/09/2022 à 16:01, Nicholas Piggin a écrit :
>>> Using a 16-bit constant for this marker allows it to be loaded with
>>> a single 'li' instruction. On 64-bit this avoids a TOC entry and a
>>> TOC load that
Christophe Leroy writes:
> Le 19/09/2022 à 16:01, Nicholas Piggin a écrit :
>> Using a 16-bit constant for this marker allows it to be loaded with
>> a single 'li' instruction. On 64-bit this avoids a TOC entry and a
>> TOC load that depends on the r2 value that has just been loaded from
>> the
Le 19/09/2022 à 16:01, Nicholas Piggin a écrit :
> Using a 16-bit constant for this marker allows it to be loaded with
> a single 'li' instruction. On 64-bit this avoids a TOC entry and a
> TOC load that depends on the r2 value that has just been loaded from
> the PACA.
>
> XXX: this probably
Using a 16-bit constant for this marker allows it to be loaded with
a single 'li' instruction. On 64-bit this avoids a TOC entry and a
TOC load that depends on the r2 value that has just been loaded from
the PACA.
XXX: this probably should be 64-bit change and use 2 instruction
sequence that
