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Re: Refinement of returning nonzero from cse_main
- To: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>
- Subject: Re: Refinement of returning nonzero from cse_main
- From: Graham Stott <grahams at redhat dot com>
- Date: Fri, 16 Feb 2001 19:18:11 +0000
- Cc: gcc at gcc dot gnu dot org
- References: <10102161900.AA07132@vlsi1.ultra.nyu.edu>
Richard
Richard Kenner wrote:
>
> Doesn't this need registering as a new rtx garbage collection root?
>
> No, because it's only live over a single call to cse_insn, much like some
> of the similar static variables in rtlanal.c.
Agreed somehow when I read the patch I entirely missed this bit
"+ new_label_ref = 0;"
Graham