On 02/10/2019 17:16, Richard Henderson wrote:
On 10/2/19 2:10 AM, Daniel P. Berrangé wrote:
GCC only implements int128_t for 64-bit targets.
QEMU probes for that during configure and sets CONFIG_INT128
If I'm reading correctly include/qemu/int128.h then provides a
fallback type based on a str
On 10/2/19 2:10 AM, Daniel P. Berrangé wrote:
>> GCC only implements int128_t for 64-bit targets.
>
> QEMU probes for that during configure and sets CONFIG_INT128
>
> If I'm reading correctly include/qemu/int128.h then provides a
> fallback type based on a struct with two int64s.
>
> This has s
On Tue, Oct 01, 2019 at 11:02:14AM -0700, Richard Henderson wrote:
> On 10/1/19 10:56 AM, Mark Cave-Ayland wrote:
> > Just out of interest, which host/compiler combinations don't currently
> > implement
> > int128_t?
>
> GCC only implements int128_t for 64-bit targets.
QEMU probes for that durin
On 10/1/19 10:56 AM, Mark Cave-Ayland wrote:
> Just out of interest, which host/compiler combinations don't currently
> implement
> int128_t?
GCC only implements int128_t for 64-bit targets.
r~
On 30/09/2019 12:41, Peter Maydell wrote:
> On Mon, 30 Sep 2019 at 11:26, Alex Bennée wrote:
>> The int128 support is due to the fact we are going to start to see newer
>> architectures with things like 128 bit shadow capability registers and
>> they will be a pain to shuffle around in 32 bit gen
On Mon, 30 Sep 2019 at 11:26, Alex Bennée wrote:
> The int128 support is due to the fact we are going to start to see newer
> architectures with things like 128 bit shadow capability registers and
> they will be a pain to shuffle around in 32 bit generated host code as
> well as requiring writing
El 30/9/19 a les 11:25, Daniel P. Berrangé ha escrit:
> On Thu, Sep 26, 2019 at 10:11:05AM -0700, Richard Henderson wrote:
>
>> For context, the discussion that Alex and I were having was about int128_t,
>> and
>> how to support that directly in tcg (especially to/from helpers), and how
>> that
El 30/9/19 a les 12:36, Peter Maydell ha escrit:
> On Mon, 30 Sep 2019 at 11:26, Alex Bennée wrote:
>> So if lots of people still want 32 bit host support for TCG guests we
>> can probably come up with something that keeps existing functionality
>> ticking over while leaving the newer architectura
On Mon, 30 Sep 2019 at 11:26, Alex Bennée wrote:
> So if lots of people still want 32 bit host support for TCG guests we
> can probably come up with something that keeps existing functionality
> ticking over while leaving the newer architectural features to 64 bit
> hosts only.
I don't think we s
On Thu, Sep 26, 2019 at 10:11:05AM -0700, Richard Henderson wrote:
> On 9/26/19 12:50 AM, Peter Maydell wrote:
> > On Thu, 26 Sep 2019 at 00:31, Alex Bennée wrote:
> >>
> >> The 32 bit hosts are already a second class citizen especially with
> >> support for running 64 bit guests under TCG. We are
On 26/09/2019 00:30, Alex Bennée wrote:
> The 32 bit hosts are already a second class citizen especially with
> support for running 64 bit guests under TCG. We are also limited by
> testing as actual working 32 bit machines are getting quite rare in
> developers personal menageries. For TCG suppor
Hi,
> That leaves armv7 as the only 32-bit arch in Fedora that is somewhat
> active & maintained. I don't have any real insight on whether any
> armv7 (Fedora) users are making much use of QEMU/KVM though, either
> system or user emulation.
Played with system emulation a while back. I doubt t
Alistair Francis writes:
> On Thu, Sep 26, 2019 at 8:41 AM Alex Bennée wrote:
>>
>>
>> Thomas Huth writes:
>>
>> > On 26/09/2019 15.46, Christian Borntraeger wrote:
>> >>
>> >>
>> >> On 26.09.19 14:58, Daniel P. Berrangé wrote:
>> >>> On Thu, Sep 26, 2019 at 08:50:36AM +0100, Peter Maydell wr
On 9/26/19 12:50 AM, Peter Maydell wrote:
> On Thu, 26 Sep 2019 at 00:31, Alex Bennée wrote:
>>
>> The 32 bit hosts are already a second class citizen especially with
>> support for running 64 bit guests under TCG. We are also limited by
>> testing as actual working 32 bit machines are getting qui
On 26/09/2019 17:31, Alex Bennée wrote:
Peter Maydell writes:
On Thu, 26 Sep 2019 at 00:31, Alex Bennée wrote:
The 32 bit hosts are already a second class citizen especially with
support for running 64 bit guests under TCG. We are also limited by
testing as actual working 32 bit machines are
On 26/09/2019 15.46, Christian Borntraeger wrote:
>
>
> On 26.09.19 14:58, Daniel P. Berrangé wrote:
>> On Thu, Sep 26, 2019 at 08:50:36AM +0100, Peter Maydell wrote:
>>> On Thu, 26 Sep 2019 at 00:31, Alex Bennée wrote:
The 32 bit hosts are already a second class citizen especially wit
On 26/09/2019 01.30, Alex Bennée wrote:
> The 32 bit hosts are already a second class citizen especially with
> support for running 64 bit guests under TCG. We are also limited by
> testing as actual working 32 bit machines are getting quite rare in
> developers personal menageries. For TCG support
On Thu, Sep 26, 2019 at 8:41 AM Alex Bennée wrote:
>
>
> Thomas Huth writes:
>
> > On 26/09/2019 15.46, Christian Borntraeger wrote:
> >>
> >>
> >> On 26.09.19 14:58, Daniel P. Berrangé wrote:
> >>> On Thu, Sep 26, 2019 at 08:50:36AM +0100, Peter Maydell wrote:
> On Thu, 26 Sep 2019 at 00:31
On 26.09.19 14:58, Daniel P. Berrangé wrote:
> On Thu, Sep 26, 2019 at 08:50:36AM +0100, Peter Maydell wrote:
>> On Thu, 26 Sep 2019 at 00:31, Alex Bennée wrote:
>>>
>>> The 32 bit hosts are already a second class citizen especially with
>>> support for running 64 bit guests under TCG. We are a
On 9/26/19 1:30 AM, Alex Bennée wrote:
> The 32 bit hosts are already a second class citizen especially with
> support for running 64 bit guests under TCG. We are also limited by
> testing as actual working 32 bit machines are getting quite rare in
> developers personal menageries. For TCG supporti
Peter Maydell writes:
> On Thu, 26 Sep 2019 at 00:31, Alex Bennée wrote:
>>
>> The 32 bit hosts are already a second class citizen especially with
>> support for running 64 bit guests under TCG. We are also limited by
>> testing as actual working 32 bit machines are getting quite rare in
>> de
Thomas Huth writes:
> On 26/09/2019 01.30, Alex Bennée wrote:
>> The 32 bit hosts are already a second class citizen especially with
>> support for running 64 bit guests under TCG. We are also limited by
>> testing as actual working 32 bit machines are getting quite rare in
>> developers person
Thomas Huth writes:
> On 26/09/2019 15.46, Christian Borntraeger wrote:
>>
>>
>> On 26.09.19 14:58, Daniel P. Berrangé wrote:
>>> On Thu, Sep 26, 2019 at 08:50:36AM +0100, Peter Maydell wrote:
On Thu, 26 Sep 2019 at 00:31, Alex Bennée wrote:
>
> The 32 bit hosts are already a seco
On Thu, Sep 26, 2019 at 08:50:36AM +0100, Peter Maydell wrote:
> On Thu, 26 Sep 2019 at 00:31, Alex Bennée wrote:
> >
> > The 32 bit hosts are already a second class citizen especially with
> > support for running 64 bit guests under TCG. We are also limited by
> > testing as actual working 32 bit
On Thu, 26 Sep 2019 at 00:31, Alex Bennée wrote:
>
> The 32 bit hosts are already a second class citizen especially with
> support for running 64 bit guests under TCG. We are also limited by
> testing as actual working 32 bit machines are getting quite rare in
> developers personal menageries. For
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