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Re: GCC 4.6.1 likes to rename my functions


On Wed, Jul 6, 2011 at 5:02 PM, Paulo J. Matos <pocmatos@gmail.com> wrote:
> Hi all,
>
> I have finally ported my backend to the latest 4.6.1 after years of trying
> to play catch with the latest release version.
>
> I am now fixing some details.
>
> A source file has a function called: lm_change_to_active which, when
> compiled with -Os is inlined.
> When I compile it with -fno-inline-functions -fno-inline-small-functions, I
> get a label for the function in the final assembler which looks like:
> lm_change_to_active.isra?0?.constprop?1?
>
> Seems to be that GCC is adding .isra?0? and later .constprop?1? to the name
> of the function as it goes. However, my assembler doesn't like the two dots
> and the '?' in the middle of the label name very much.
>
> Have I forgotten to define a hook or how I can tell GCC how to create this
> name?

See cgraph.c:clone_function_name, it uses the NO_DOT_IN_LABEL
and NO_DOLLAR_IN_LABEL target macros and ASM_FORMAT_PRIVATE_NAME.  I
don't see where a '?' should
enter this picture anywhere.

Richard.

> Cheers,
>
> --
> PMatos
>
>


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