On Fri, Dec 6, 2013 at 7:20 PM, Richard Biener
<richard.guent...@gmail.com> wrote:
> On Fri, Dec 6, 2013 at 11:40 AM, Bin.Cheng <amker.ch...@gmail.com> wrote:
>> On Fri, Dec 6, 2013 at 6:19 PM, Richard Biener
>> <richard.guent...@gmail.com> wrote:
>>> On Mon, Nov 25, 2013 at 7:41 PM, Jeff Law <l...@redhat.com> wrote:
>>>> On 11/25/13 02:22, bin.cheng wrote:
>>>>
>>>> Unless there's a PR for this problem, I think this needs to wait.
>>>
>>> I agree.  Btw, please split the patch.
>> Yes, I will get back to this after entering stage 1 again :)
>>
>> Hi Richard,
>> I talked with you about clean strip_offset_1 up after this series of
>> base simplification patches, but I realized it's not safe because
>> affine facility has it's limit, like can only support 8 elements.
>> Though the cleanup passes bootstrap and test on x86/x86_64 and most of
>> codes in strip_offset_1 won't be executed usually, I guess we'd better
>> to live with it, so what do you think?
>
> Not sure - I'm lacking some context here ;)  If you have a cleanup patch
> fine - WRT the affine limit of 8 elements, further elements will just
> add to the rest tree.  This is to limit compile-time.
Yes, so it's possible to have COMPONENT_REF stored in rest tree if we
reach the 8 elements limit.  In this case the COMPONENT_REF will be
visited by the code in strip_offset_1, although it sounds unlikely to
happen.

Thanks,
bin
>
> Richard.

Reply via email to