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Re: [PATCH]: Add small amount of documentation on TODO_update_smt_usage
- From: Diego Novillo <dnovillo at redhat dot com>
- To: Daniel Berlin <dberlin at dberlin dot org>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 04 Apr 2006 09:11:51 -0400
- Subject: Re: [PATCH]: Add small amount of documentation on TODO_update_smt_usage
- References: <1144114185.31714.29.camel@dberlin.org>
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On 04/03/06 21:29, Daniel Berlin wrote:
> This all goes away if we go with mem-ssa, of course.
>
Yeah, I'll have to reword significant chunks of this text.
> * doc/tree-ssa.texi (Preserving virtual SSA form): New subsection.
>
Looks fine. A couple minor edits below:
> +The virtual SSA form is harder to preserve than the non-virtual SSA
> +form, but uses the same approach as preserving the SSA form, mainly
>
s/, but uses the same approach as preserving the SSA form,// (non
sequitur with the rest of the paragraph).
> +because the set of virtual operands for a statement may change at what
> +some would consider unexpected times. In general, any time you have
> +modified a statement that has virtual operands, you should verify
> +whether the list of virtual operands has changed, and if so, mark the
> +new ones for renaming.
> +
s/new ones for renaming/newly exposed symbols by calling
mark_new_vars_to_rename./
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