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Re: [POWERPC] Don't override gcc -mcpu with wrong asm .machine

From: "Tulio Magno Quites Machado Filho" <tuliom at linux dot vnet dot ibm dot com>
To: Alan Modra <amodra at gmail dot com>
Cc: libc-alpha at sourceware dot org
Cc:
Date: Fri, 20 Oct 2017 22:02:12 -0200
Subject: Re: [POWERPC] Don't override gcc -mcpu with wrong asm .machine
Authentication-results: sourceware.org; auth=none
References: <20171020130241.GA27132@bubble.grove.modra.org> <87shedaerp.fsf@linux.vnet.ibm.com> <20171020235131.GD27132@bubble.grove.modra.org>

Alan Modra <amodra@gmail.com> writes:

> On Fri, Oct 20, 2017 at 03:51:54PM -0200, Tulio Magno Quites Machado Filho wrote:
>> I understand that ppc64le was never tested on POWER4, but I'm afraid this
>> failure is actually showing there is another problem.
>
> Yes, why is powerpc64/multiarch/memcmp-power4.S being compiled for
> powerpc64le?

powerpc64 code is reused in powerpc64le.  It has been working well, but I
believe we can improve how the Implies mechanism is being used.

>   And even with --disable-multiarch!

Do you mean --disable-multi-arch?
In my tests, powerpc64/power8/memcmp.S is being used instead.

-- 
Tulio Magno

Follow-Ups:
- Re: [POWERPC] Don't override gcc -mcpu with wrong asm .machine
  - From: Alan Modra

References:
- [POWERPC] Don't override gcc -mcpu with wrong asm .machine
  - From: Alan Modra
- Re: [POWERPC] Don't override gcc -mcpu with wrong asm .machine
  - From: Tulio Magno Quites Machado Filho
- Re: [POWERPC] Don't override gcc -mcpu with wrong asm .machine
  - From: Alan Modra

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