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Re: [PATCH] allocate combine.c:LOG_LINKS in an obstack
On Tue, Apr 5, 2011 at 4:51 PM, Nathan Froyd <froydnj@codesourcery.com> wrote:
> On Tue, Apr 05, 2011 at 04:42:27PM +0200, Steven Bosscher wrote:
>> On Tue, Apr 5, 2011 at 3:59 PM, Nathan Froyd <froydnj@codesourcery.com> wrote:
>> > v2, now with obstacks!
>>
>> @findex LOG_LINKS
>> @item LOG_LINKS (@var{i})
>> A list (chain of @code{insn_list} expressions) giving information about
>> dependencies between instructions within a basic block. ?Neither a jump
>> nor a label may come between the related insns. ?These are only used by
>> the schedulers and by combine. ?This is a deprecated data structure.
>> Def-use and use-def chains are now preferred.
>
> So, being somewhat RTL-ignorant, is this patch going in the wrong
> direction?
Oh, not at all. Just documentation that needs updating! :)
Ciao!
Steven