Re: [bug] cbi optimization error for 8-bit AVRs
Joern Rennecke <[email protected]>
| Newsgroups | gmane.comp.hardware.avr.gcc |
|---|---|
| Message-ID | <CAMqJFCqffru9mpSLR_-x+zTi16Km6D77nkL2sLeZYg37-_p25A@mail.gmail.com> |
On 8 November 2014 00:32, Szikra István <[email protected]> wrote: > Unfortunately GCC support for AVR (among other things) is not always > flawless. And it changes from versions to version (and not always for the > better). regression tests can help to catch instances where the compiler looses functionality. I'm trying to make gcc 5.0 do the right thing. As a matter of fact, I get a preprocessor failure and an ICE (Internal Compiler Error) there. > Since I’m a long time AVR developer I have a lot of compiler versions > installed (WinAVR 2006-2010, and Atmel Studio 6.2 with GCC 4.8.1), but I > could test my code with only one (the latest). > > I run into some trouble with clearing port bits not translating from C into > cbi in assembler. It is caused by my bits template, but I do not know why. > It seems to me like a bug in GCC. Maybe someone here can shed some light on > the reason, or suggest a fix. > > Here is the code: May I include that as a test case in the gcc.target/avr testsuite? _______________________________________________ AVR-GCC-list mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/avr-gcc-list