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Re: GCC targets need updating for new register allocator
2008/8/28 Ian Lance Taylor <iant@google.com>:
> Jeff Law <law@redhat.com> writes:
>
>> Joseph S. Myers wrote:
>>> The new Integrated Register Allocator is now in GCC trunk, and the
>>> old allocator is scheduled for removal on or shortly after 25
>>> September.
>> [ ... ]
>> One more note, I would strongly recommend we tag the trunk when we
>> remove the old allocator. There's some minor codegen issues that I'd
>> like to be able to come back and work on further once we've got the
>> ports converted to IRA. Having a tag which allows me to checkout and
>> do comparisons of IRA vs the old allocator would make that process
>> much easier.
>
> We use subversion now, which has unique revision numbers. Just check
> out revision 139589.
On the other hand, tagging is free [*] and you do not need to remember
revision numbers
svn cp -r REVISION svn+ssh://gcc.gnu.org/svn/gcc/trunk \
svn+ssh://gcc.gnu.org/svn/gcc/tags/old-allocator-removed-from-trunk \
-m "Tag for the removal of the old allocator"
Cheers,
Manuel.
[*] http://svnbook.red-bean.com/en/1.1/ch04s02.html