On 1/4/19 4:31 AM, Mark Cave-Ayland wrote:
> Fixing the vsplt instruction now gives a readable display in my MacOS tests,
> but I'm
> still seeing "shadows" such as
> https://www.ilande.co.uk/tmp/qemu/badapple4.png which
> I've bisected down to:
>
>
> commit 71f229eb331e979971a0a79e5a2fcdfb9380
On 18/12/2018 06:38, Richard Henderson wrote:
> This implements some of the things that I talked about with Mark
> this morning / yesterday. In particular:
>
> (0) Implement expanders for nand, nor, eqv logical operations.
>
> (1) Implement saturating arithmetic for the tcg backend.
>
> Wh
On 18/12/2018 09:49, Mark Cave-Ayland wrote:
> Following on from this, the next patch "target/ppc: convert vsplt[bhw] to use
> vector
> operations" causes corruption of the OS X splash screen
> (https://www.ilande.co.uk/tmp/qemu/badapple2.png) in a way that suggests
> there may be
> an endian is
On 12/18/18 7:26 AM, Mark Cave-Ayland wrote:
> That seems wrong to me. Given that the ppc_avr_t is a union then I'd expect
> it to be
> in host order? Certainly in the VMX helper macros I've looked at, the members
> are set
> directly with no byte swapping.
"Host order"? For both words of the v
On 18/12/2018 15:07, Richard Henderson wrote:
>> This one appears to be a sign extension issue - if I make use of the same
>> technique
>> used by the previous helper then this problem goes away. Below is my
>> experimental
>> diff to be squashed into "target/ppc: convert vspltis[bhw] to use vec
On 18/12/2018 15:17, Richard Henderson wrote:
> On 12/18/18 7:05 AM, Mark Cave-Ayland wrote:
>> On 18/12/2018 09:49, Mark Cave-Ayland wrote:
>>
>>> Following on from this, the next patch "target/ppc: convert vsplt[bhw] to
>>> use vector
>>> operations" causes corruption of the OS X splash screen
On 12/18/18 6:51 AM, Mark Cave-Ayland wrote:
> On 18/12/2018 09:49, Mark Cave-Ayland wrote:
>
>> A quick bisection suggests that there could be 2 separate issues related to
>> the
>> implementation of splat:
>>
>> Patch "target/ppc: convert vspltis[bhw] to use vector operations" causes a
>> blac
On 18/12/2018 09:49, Mark Cave-Ayland wrote:
> A quick bisection suggests that there could be 2 separate issues related to
> the
> implementation of splat:
>
> Patch "target/ppc: convert vspltis[bhw] to use vector operations" causes a
> black
> border to appear around the OS X splash screen
> (
On 12/18/18 7:05 AM, Mark Cave-Ayland wrote:
> On 18/12/2018 09:49, Mark Cave-Ayland wrote:
>
>> Following on from this, the next patch "target/ppc: convert vsplt[bhw] to
>> use vector
>> operations" causes corruption of the OS X splash screen
>> (https://www.ilande.co.uk/tmp/qemu/badapple2.png)
On 18/12/2018 09:49, Mark Cave-Ayland wrote:
> Following on from this, the next patch "target/ppc: convert vsplt[bhw] to use
> vector
> operations" causes corruption of the OS X splash screen
> (https://www.ilande.co.uk/tmp/qemu/badapple2.png) in a way that suggests
> there may be
> an endian is
On 18/12/2018 06:38, Richard Henderson wrote:
> This implements some of the things that I talked about with Mark
> this morning / yesterday. In particular:
>
> (0) Implement expanders for nand, nor, eqv logical operations.
>
> (1) Implement saturating arithmetic for the tcg backend.
>
> Wh
This implements some of the things that I talked about with Mark
this morning / yesterday. In particular:
(0) Implement expanders for nand, nor, eqv logical operations.
(1) Implement saturating arithmetic for the tcg backend.
While I had expanders for these, they always went to helpers.
12 matches
Mail list logo
