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Re: [PATCH] Rs6000 infrastructure cleanup (switches), revised patch #2c


Michael Meissner wrote:
> On Thu, Oct 04, 2012 at 06:33:33PM +0200, Gunther Nikl wrote:
>> Michael Meissner schrieb:
>>> On Tue, Oct 02, 2012 at 10:13:25AM +0200, Gunther Nikl wrote:
>>>> Michael Meissner wrote:
>>>>> Segher Boessenkool asked me on IRC to break out the fix in the last change.
>>>>> This patch is just the change to set the default options if the user did not
>>>>> use -mcpu=<xxx> and the compiler was not configured with --with-cpu=<xxx>.
>>>>> Here are the patches.
>>>> Which GCC releases are affected by this bug?
>>> All of them.
>> So this bug is as old as the rs6000 port has PowerPC support? Then GCC
>> 2.95 is also affected?

I took a closer look. AFAICT, the above mentioned bug is a result of
the rewritten option parsing for GCC 4.6. And that was what I wanted
to know. Since this is a regression, should this be fixed in 4.6/4.7?

> Well as I said, it is pretty latent, and most people never have noticed it.
> It really depends on what the options are whether you run into the problem.

Yes, I understood that but this did not address my question.

Regards,
Gunther


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