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Re: birthpoints in rtl.


Steven Bosscher wrote:
> On Thu, Feb 28, 2008 at 2:32 PM, Paolo Bonzini <bonzini@gnu.org> wrote:
>   
>>  > Thanks for the quick response.  As it turns out, the libcall issue will
>>  > soon be gone, as bonzini will be deleting them.  We have finally
>>  > overcome that issue.
>>
>>  Not really.  There seems always to be something that prevents them from
>>  being deleted, and I have no time to spend on GCC at work right now.  I
>>  believe Steven Bosscher has more detail on that than I do.
>>     
>
> We had this discussion last year. The only reason to still have
> libcalls was for TLS address calls.  You already fixed that. To the
> best of my knowledge the only other thing libcalls are still "useful"
> for, is scheduling of groups of insns (iirc it's SCHED_GROUP_P or
> something like that). And didn't you mention an fwrapv issue that's
> currently papered over by libcall notes??
>
> Gr.
> Steven
>   
Hi steven.

Sure would be good if someone would go out and just kill the libcalls. 
It would make everyone happy.

Kenny


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