ARM compiler version (and uploading firmware)

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fanoush in reply to @FransM

the .text section decreases from 0x4e6dc to 0x4e154 bytes so a code size reduction of 1516 bytes (0x588)

as for output size the 8-2019q3-update produced shorter binaries than newer gcc 9 for me, didn't hit any compiler bug so far

btw for quick tests on device you may also try inline C, it is quite easy to self host it (tried to describe it here) and you can switch compiler versions and flags and enable C preprocessor too. It is limited to self contained code but still a lot can be done with that.

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FransM in reply to @fanoush

Thanks for the report.
inlined C is interesting. I'll give it a stab. Could be useful for another experiment as well.

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