GCC 4.9.1 changes.

[Joel Sherrill]

On 10/5/2014 1:23 AM, Chris Johns wrote:
> Hi,
>
> There are a few issues with 4.9.1 which need to be looked at. I have not 
> attempted a Windows build yet.
>
> My question is:
>
>   Do we move the architectures that *do* build to 4.9.1 ?
I would lean to yes or wait for 4.9.2 to be released since it should be
close.
> If there are patches or known option required to build the failing 
> architectures please let me know.
>
> Is anyone test builind gcc head on a regular basis ?
http://toolchain.lug-owl.de/buildbot/

I think between Sebastian starting and me piling on, every target
we have is built now. But.. I have issues with the website in that
it appears to take a long time to display them. So long you think
there aren't any results.

Sebastian.. any comments based on the gcc buildbot?


I personally have not been building the head recently. I have
enough cycles devoted to warning killing. :)
> This is the list of architectures do not build:
>
> bfin:
> ../../../gcc-4.9.1/libgcc/fp-bit.c: In function '__divsf3':
> ../../../gcc-4.9.1/libgcc/fp-bit.c:1082:1: internal compiler error: in 
> cfg_layout_initialize, at cfgrtl.c:4233
>
> m32c:
> configure: error: unable to detect exception model
Is this trying C++? m32c does not support C++ at all. End of story.
> mips:
> xgcc: error: addsf3: No such file or directory
>
> moxie:
> We are using binutils-2.24. Is there a later release ?
> CC_TLS -DUSE_EMUTLS -o _gcov.o -MT _gcov.o -MD -MP -MF _gcov.dep 
> -DL_gcov -c ../../../../gcc-4.9.1/libgcc/libgcov-driver.c
> /tmp//cc7Lxv5S.s: Assembler messages:
> /tmp//cc7Lxv5S.s:176: Error: unknown opcode sex.b $r0,$r0
>
>    [ AG, a rather interesting name for an instruction ]
>
> powerpc:
> ../../../../gcc-4.9.1/libgcc/fp-bit.c: In function '_fpadd_parts':
> ../../../../gcc-4.9.1/libgcc/fp-bit.c:738:1: internal compiler error: in 
> dwf_regno, at dwarf2cfi.c:909
>
> Chris
> _______________________________________________
> devel mailing list
> devel at rtems.org
> http://lists.rtems.org/mailman/listinfo/devel

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherrill at OARcorp.com        On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
Support Available                (256) 722-9985