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Re: Drop generic32 cost model
- From: Ian Lance Taylor <iant at google dot com>
- To: Jan Hubicka <hubicka at ucw dot cz>
- Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>, Michael Matz <matz at suse dot de>, "H.J. Lu" <hongjiu dot lu at intel dot com>
- Date: Thu, 19 Sep 2013 08:41:41 -0700
- Subject: Re: Drop generic32 cost model
- Authentication-results: sourceware.org; auth=none
- References: <20130918203949 dot GB11466 at kam dot mff dot cuni dot cz> <CAKOQZ8zQceBPZDwSALhrK3LK-WhrYTOzNv-W+PkjD5_WogKCfA at mail dot gmail dot com> <20130919153822 dot GB8296 at atrey dot karlin dot mff dot cuni dot cz>
On Thu, Sep 19, 2013 at 8:38 AM, Jan Hubicka <hubicka@ucw.cz> wrote:
>>
>>
>> decide_alg is being called from ix86_expand_movmem, from
>> expand_builtin_memcpy, for the call at line 61 of go-append.c.
>> __builtin_memcpy (n, a.__values, a.__count * element_size);
>>
>> I'm continuing to look.
>
> Indeed it is problem of this patch - the issue is that generic64 had
> dummy 32bit alg entries (those should not cause infinite loop, I will
> fix that too)
Thanks, that patch at least lets the build continue.
Ian