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Re: Weird comment in flow.c
- From: Jan Hubicka <jh at suse dot cz>
- To: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
- Cc: gcc at gnu dot org
- Date: Sun, 2 Feb 2003 19:22:55 +0100
- Subject: Re: Weird comment in flow.c
- References: <20030202170439.GA26632@atrey.karlin.mff.cuni.cz>
> Hello,
>
> this comment is found in flow.c:
>
> The post-reload life analysis have (on a global basis) the same
> registers live as was computed by reload itself. elimination
> Otherwise offsets and such may be incorrect.
>
> Does someone know what should it say correctly?
I think the comment is correct after swapping elimination and Otherwise.
Reload compute frame size that includes register save area that is emit
post reload based on flow2 analysis. So in case we get different amount
of registers to save, the offsets may not match.
At least I believe to this :)
Honza
>
> Zdenek