WinAVR: avr-gcc = 4.3.3, AVR-LibC = 1.6.7, binutils = 2.19 As6 Toolchain: avr-gcc= 4.6.2, AVR-LibC = 1.8.0, binutils = 2.22 There are probably a thousand or more differences listed in the development history between 4.3.3 and 4.6.2 I presume you don't intend someone to list them all? Also note that these packages are 'distributions'. They are not just a compiler but also include (different versions) of binutils and AVR-LibC so one would need to explore the Bugzilla's for those too to understand the many differences there. Until AS6 appeared the general advice here would have been stick with WinAVR unless you need device support for a recent device only covered in Toolchain. But then Atmel got their act together and the 'toolchain' in AS6 isn't half bad. So it's 50:50 as to which one to choose if the device is supported but it's unquestionable that 'Toolchain' has support for more devices as it benefited from 2 more years of development.
As of January 15, 2018, Site fix-up work has begun! Now do your part and report any bugs or deficiencies.
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No guarantees, but if we don't report problems they won't get much of a chance to be fixed! Details/discussions at link given just above.
'Some questions have no answers.' C Baird 'There comes a point where the spoon-feeding has to stop and the independent thinking has to start.' C Lawson 'There are always ways to disagree, without being disagreeable.' E Weddington 'Words represent concepts. Use the wrong words, communicate the wrong concept.' J Morin ' Persistence only goes so far if you set yourself up for failure.' AFAIK WinAVR is based on GCC 4.3.3 and the AVR Toolchain (that comes with AVR Studio) is 4.6.2.
No-one knows the specific differences from memory. There are likely thousands of changes made between 4.3.3 and 4.6.2. Anyone wanting to list the differences would need to browse the change history. I pointed to where (at least parts of) that history is documented.
I was actually trying to help you get to some specifics. It is obvious that you do not want such help, so I will most happily leave this thread here and now. A last comment: If Atmel has introduced patches developed in-house, then they have either pushed them 'upwards' (and then you should be able to locate them) or they are (at least for the time being) kept inside Atmel. Regardless of if this is compatible with the GCC license I do not think that Atmel will publish them here and now as an answer to your question.
As of January 15, 2018, Site fix-up work has begun! Now do your part and report any bugs or deficiencies. No guarantees, but if we don't report problems they won't get much of a chance to be fixed! Details/discussions at link given just above. 'Some questions have no answers.' C Baird 'There comes a point where the spoon-feeding has to stop and the independent thinking has to start.' C Lawson 'There are always ways to disagree, without being disagreeable.'
E Weddington 'Words represent concepts. Use the wrong words, communicate the wrong concept.' J Morin ' Persistence only goes so far if you set yourself up for failure.' Quote: A last comment: If Atmel has introduced patches developed in-house, then they have either pushed them 'upwards' (and then you should be able to locate them) or they are (at least for the time being) kept inside Atmel. Regardless of if this is compatible with the GCC license I do not think that Atmel will publish them here and now as an answer to your question. I'm told we're working on getting them upstream, but the patches are released in source form with the Atmel Toolchain download packages.
Pascor: People gave you all the information one could reasonably expect given your question. Asking for information and just replying with 'but I want specifics' over and over again won't help, you need to tell us exactly what you want to know. Dean:twisted. The current release series (bug fixes only) of GCC is 4.7 The oldes maintained release series (bug fixes only) of GCC is 4.6 The active development (new features, not yet released) is future 4.8.
If anybody feels that the GCC development proceeds too slow, he/she can contribute to the project in order so speed it up. If you are not satisfied with the packages you find on the web or from some destributor, please feel free to build whatever compiler version with whatever patches, fixes, extensions or changes you deem appropriate. As of January 15, 2018, Site fix-up work has begun! Now do your part and report any bugs or deficiencies. No guarantees, but if we don't report problems they won't get much of a chance to be fixed! Details/discussions at link given just above.
'Some questions have no answers.' C Baird 'There comes a point where the spoon-feeding has to stop and the independent thinking has to start.' C Lawson 'There are always ways to disagree, without being disagreeable.'
E Weddington 'Words represent concepts. Use the wrong words, communicate the wrong concept.' J Morin ' Persistence only goes so far if you set yourself up for failure.'