Re: PPC64: gcc currently compiles for power4 by default, causing glibc's sqrtf to fail on e6500
We need this change too. We have e5500 CPU’s in our AmigaOnes.
— Christian
Sent from my iPhone
> On 9. Feb 2018, at 11:34, John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> wrote:
>
>> On 02/09/2018 11:30 AM, Bas Vermeulen wrote:
>> mator on #debian-ports compiled gcc-7 for me with the attached patch.
>> With the resulting gcc, I compiled glibc and got a library I can use
>> sqrtf without running into an illegal instruction exception.
>> Would it be possible to get this applied by default? The resulting
>> binaries work on e6500, and ought to work on all supported CPUs
>> for the ppc64 port.
>
> This is something that needs to be discussed. A single user alone shouldn't
> warrant such major change in a port. You always have to keep in mind that
> changing the default compiler options also has potential impact on the
> performance on more modern ppc64 systems like Apple Macintosh.
>
> So, while I'm generally not against such a change, I would like to hear
> some voices first.
>
> Thanks,
> Adrian
>
> --
> .''`. John Paul Adrian Glaubitz
> : :' : Debian Developer - glaubitz@debian.org
> `. `' Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
> `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
>
Reply to:
- References:
- PPC64: gcc currently compiles for power4 by default, causing glibc's sqrtf to fail on e6500
- From: Bas Vermeulen <bas@daedalean.ai>
- Re: PPC64: gcc currently compiles for power4 by default, causing glibc's sqrtf to fail on e6500
- From: lsorense@csclub.uwaterloo.ca (Lennart Sorensen)
- Re: PPC64: gcc currently compiles for power4 by default, causing glibc's sqrtf to fail on e6500
- From: Bas Vermeulen <bas@daedalean.ai>
- Re: PPC64: gcc currently compiles for power4 by default, causing glibc's sqrtf to fail on e6500
- From: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
- Re: PPC64: gcc currently compiles for power4 by default, causing glibc's sqrtf to fail on e6500
- From: Bas Vermeulen <bas@daedalean.ai>
- Re: PPC64: gcc currently compiles for power4 by default, causing glibc's sqrtf to fail on e6500
- From: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
- Re: PPC64: gcc currently compiles for power4 by default, causing glibc's sqrtf to fail on e6500
- From: Bas Vermeulen <bas@daedalean.ai>
- Re: PPC64: gcc currently compiles for power4 by default, causing glibc's sqrtf to fail on e6500
- From: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
- Re: PPC64: gcc currently compiles for power4 by default, causing glibc's sqrtf to fail on e6500
- From: Bas Vermeulen <bas@daedalean.ai>
- Re: PPC64: gcc currently compiles for power4 by default, causing glibc's sqrtf to fail on e6500
- From: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
- Re: PPC64: gcc currently compiles for power4 by default, causing glibc's sqrtf to fail on e6500
- From: Bas Vermeulen <bas@daedalean.ai>
- Re: PPC64: gcc currently compiles for power4 by default, causing glibc's sqrtf to fail on e6500
- From: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>