On Mon, Sep 05, 2011 at 11:50:52AM +0200, Richard Guenther wrote:
> Yeah, I suppose update_call_from_tree could use a piecewise variant ...
> ok, let's defer this as a cleanup for whoever feels like updating some
> more code.
Attached are two patches, the first one contains two small changes,
one
On Mon, Sep 5, 2011 at 11:41 AM, Jakub Jelinek wrote:
> On Mon, Sep 05, 2011 at 10:54:47AM +0200, Richard Guenther wrote:
>> > 2011-09-02 Jakub Jelinek
>> >
>> > * common.opt: Add -ftree-strlen option.
>>
>> Maybe sth more generic? -foptimize-string-ops? Eventually guard
>> the existin
On Mon, Sep 05, 2011 at 10:54:47AM +0200, Richard Guenther wrote:
> > 2011-09-02 Jakub Jelinek
> >
> > * common.opt: Add -ftree-strlen option.
>
> Maybe sth more generic? -foptimize-string-ops? Eventually guard
> the existing string op foldings with that flag as well.
I don't think ot
Hi,
I'm fairly sure it is much less common than the narrow versions,
we don't even handle wprintf and wscanf attributes.
I know. Actually, the reason I decided to say something, is that I
noticed a few times in the past this "inequality" between char and
wchar_t. Frankly, I instinctively think
On Fri, Sep 02, 2011 at 07:14:58PM +0200, Paolo Carlini wrote:
> >Any comments related to the implementation, or examples of real-world
> >lame C string length code sequences that would be nice to optimize
> >will be greatly appreciated.
> I'm only wondering how hard would be taking care more consi
Hi,
Any comments related to the implementation, or examples of real-world
lame C string length code sequences that would be nice to optimize
will be greatly appreciated.
I'm only wondering how hard would be taking care more consistently of
the wchar_t counterparts of all these library functions.
Hi!
The following patch contains a WIP implementation of a new pass,
which attempts to track C string lengths and perform various
optimizations using that information.
Optimizations it currently performs:
1) optimizing away strlen calls, if the string length is known
at that point already (eit
