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Re: bug in ggc-page?
- From: Zack Weinberg <zack at codesourcery dot com>
- To: Mark Mitchell <mark at codesourcery dot com>
- Cc: Daniel Berlin <dberlin at dberlin dot org>, "gcc-bugs at gcc dot gnu dot org" <gcc-bugs at gcc dot gnu dot org>, "rth at redhat dot com" <rth at redhat dot com>
- Date: Tue, 17 Dec 2002 21:35:26 -0800
- Subject: Re: bug in ggc-page?
- References: <24830000.1040188811@warlock.codesourcery.com>
Mark Mitchell <mark@codesourcery.com> writes:
>> The algorithm in use deliberately applies integer overflow on multiply
>> to perform division.
>
> OK, so you're saying Daniel isn't seeing a real problem, right?
I'm saying that, while there may well be something wrong, the
apparently overflowed values in the inverse_table for orders that came
from the extra_order_size_table (which is where all the
non-power-of-two bucket sizes come from) are not a symptom thereof.
zw