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The GCC 4.7.1 topic
Posted: Mon Jul 02, 2012 6:35 pm
by Giovanni
Hi,
I just ran some tests using YAGARTO 4.7.1, I am experiencing worse results compared to 4.6.3. It is not like some tests are worse and others are same or better, all tests are consistently worse by a small margin.
Strange, it is possible I am doing something wrong but it is unlikely. More tests would be welcome. I recommend staying with 4.6.3 until this matter is better understood.
Giovanni
Re: The GCC 4.7.1 topic
Posted: Thu Jul 05, 2012 11:10 am
by gfortaine
Hello,
For your information :
GNU Tools for ARM Embedded Processors 4.6 update 2Best Regards,
Guillaume FORTAINE
Re: The GCC 4.7.1 topic
Posted: Thu Jul 05, 2012 11:27 am
by Giovanni
Thanks, I will give it a try in the evening.
Giovanni
Re: The GCC 4.7.1 topic
Posted: Thu Jul 12, 2012 6:52 pm
by Xamusk
Any news on this?
Re: The GCC 4.7.1 topic
Posted: Thu Jul 12, 2012 7:47 pm
by Giovanni
Not yet, it is slower than 4.6.3 and I would not hold my breath for fixes in 4.7.x, if things are going to be better it will happen in 4.8.x. I suggest to stay with 4.6.x in the meanwhile since 4.7.x brings nothing really new for embedded.
It is possible that the integrators of the "GNU Tools for ARM Embedded Processors" (could they just give it a name?) will apply their own fixes on standard GCC when they will release a 4.7.x.
Giovanni
Re: The GCC 4.7.1 topic
Posted: Mon Dec 24, 2012 10:39 am
by gfortaine
Release GCC ARM Embedded 4.7The first 4.7 released is ready at
https://launchpad.net/gcc-arm-embedded/ ... 2-q4-majorIn addition to GCC 4.7 upgrading, this release also includes
* more code size optimizations
* newlib-nano: tailored libc based on newlib for code size (Beta)
* Mac OS host
* Debugger enhancement
Highly recommend to upgrade. 4.7 is backward compatible to 4.6 in command line. So it is almost risk-free for 4.6 users to embrace these new enhancement.
Re: The GCC 4.7.1 topic
Posted: Mon Dec 24, 2012 1:52 pm
by Tectu
I agree with gfortaine. The GNU ARM toolchain works very very well and from my point of view, it's highly recommended to use this one.
I had several problems myself with other toolchains like summon-arm-toolchain together with ChibiOS/RT and plenty of other users had other problems with other toolchains as well. It really looks like the GNU ARM toolchian from the launchpad seems to be the best choice to pick!
~ Tectu
Re: The GCC 4.7.1 topic
Posted: Mon Dec 24, 2012 3:40 pm
by Badger
* Mac OS host
At last!
I will test this out
Re: The GCC 4.7.1 topic
Posted: Mon Dec 24, 2012 6:35 pm
by Tectu
Badger wrote:* Mac OS host
At last!
I will test this out
Well, you can get precompiled binaries which work very well directly from launchpad. Sadly, they only work for linux so for Mac OSX you have to compile it yourself. But I know two guys which use that one under Mac OSX and they are quite happy with it
~ Tecti
Re: The GCC 4.7.1 topic
Posted: Mon Dec 24, 2012 7:36 pm
by Badger
Tectu wrote:they only work for linux so for Mac OSX you have to compile it yourself
nope, the whole point of what I was quoting is that this is no longer the case, there are mac os x binaries and they work
