[PATCH] read-md.c: track column numbers

[Bernd Schmidt]

On 09/30/2016 05:41 AM, David Malcolm wrote:
> This patch adds rudimentary column-number tracking to read-md.c, to
> give more precise locations for messages for problems in .md files
> (and in the RTL frontend I'm working on):
>
> ../../src/gcc/config/i386/i386.md:1204:22: error: unknown rtx code `define_mood_iterator'
> ../../src/gcc/config/i386/i386.md:1204:25: note: following context is `PTR'

Hmm, ok I suppose.

> +      info.loc = file_location ("<internal>", 0, 0);
> +  idata->loc = file_location ("<internal>", 0, 0);
> +  e->loc = file_location ("built-in", -1, -1);

Use zero consistently maybe as a dummy? Ok either way.


Bernd