Re: R: [RFC PATCH v2] target/ppc: Enable hardfloat for PPC

2020-02-26 Thread BALATON Zoltan
On Wed, 26 Feb 2020, Alex Bennée wrote: That's the wrong way around. We have regression tests for a reason. I'll happily accept patches to turn on hardfloat for PPC if: a) they don't cause regressions in our fairly extensive floating point tests Where are these tests and how to run them? I'm n

Re: R: [RFC PATCH v2] target/ppc: Enable hardfloat for PPC

2020-02-26 Thread Aleksandar Markovic
always a choice. > > Best Regards, > Dino Papararo > > -Messaggio originale- > Da: Aleksandar Markovic > Inviato: mercoledì 26 febbraio 2020 18:27 > A: G 3 > Cc: Alex Bennée ; Dino Papararo ; > QEMU Developers ; qemu-...@nongnu.org; Howard > Spoelstra ; lui

R: R: [RFC PATCH v2] target/ppc: Enable hardfloat for PPC

2020-02-26 Thread Dino Papararo
née ; Dino Papararo ; QEMU Developers ; qemu-...@nongnu.org; Howard Spoelstra ; luigi burdo ; David Gibson Oggetto: Re: R: [RFC PATCH v2] target/ppc: Enable hardfloat for PPC On Wed, Feb 26, 2020 at 6:04 PM G 3 wrote: > > Accuracy is an important part of the IEEE 754 floating point standa

Re: R: [RFC PATCH v2] target/ppc: Enable hardfloat for PPC

2020-02-26 Thread Alex Bennée
G 3 writes: > Accuracy is an important part of the IEEE 754 floating point standard. The > whole purpose of this standard is to ensure floating point calculations are > consistent across multiple CPUs. I believe referring to this patch as > inaccurate is itself inaccurate. That gives the impres

Re: R: [RFC PATCH v2] target/ppc: Enable hardfloat for PPC

2020-02-26 Thread Aleksandar Markovic
On Wed, Feb 26, 2020 at 6:04 PM G 3 wrote: > > Accuracy is an important part of the IEEE 754 floating point standard. The > whole purpose of this standard is to ensure floating point calculations are > consistent across multiple CPUs. I believe referring to this patch as > inaccurate is itself

Re: R: [RFC PATCH v2] target/ppc: Enable hardfloat for PPC

2020-02-26 Thread G 3
Accuracy is an important part of the IEEE 754 floating point standard. The whole purpose of this standard is to ensure floating point calculations are consistent across multiple CPUs. I believe referring to this patch as inaccurate is itself inaccurate. That gives the impression that this patch pro

Re: R: [RFC PATCH v2] target/ppc: Enable hardfloat for PPC

2020-02-26 Thread Aleksandar Markovic
On Wed, Feb 26, 2020 at 3:29 PM Alex Bennée wrote: > > > Dino Papararo writes: > > > Please let's go with hardfloat pps support, it's really a good feature to implement. > > Even if in a first step it could lead to inaccuracy results, later it > > could solved with other patches. > > That's the w

Re: R: [RFC PATCH v2] target/ppc: Enable hardfloat for PPC

2020-02-26 Thread Alex Bennée
Dino Papararo writes: > Please let's go with hardfloat pps support, it's really a good feature to > implement. > Even if in a first step it could lead to inaccuracy results, later it > could solved with other patches. That's the wrong way around. We have regression tests for a reason. I'll ha

R: [RFC PATCH v2] target/ppc: Enable hardfloat for PPC

2020-02-26 Thread Dino Papararo
t hardware. Regards, Dino Papararo Da: Qemu-ppc Per conto di luigi burdo Inviato: mercoledì 26 febbraio 2020 14:01 A: BALATON Zoltan ; Programmingkid Cc: David Gibson ; qemu-...@nongnu.org; qemu-devel qemu-devel ; Howard Spoelstra Oggetto: R: [RFC PATCH v2] target/ppc: Enable hardfloat for P

R: [RFC PATCH v2] target/ppc: Enable hardfloat for PPC

2020-02-26 Thread luigi burdo
Hi Zoltan, i can say MacOs Leopard use multiple cores on PowerMac G5 Quad the most of the apps did for Panter/Tiger/leopard use for sure 2 Core in smtp only apps did for Tiger/leopard use more than 2 Cores. Ciao and thenks Luigi Da: Qemu-ppc per conto di BAL