[Bug 1001468] eCos GNU tools 4.6.2

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--- Comment #29 from Ilija Kocho <ilijak@siva.com.mk> 2012-03-03 21:17:31 GMT ---
(In reply to comment #28)
> At the end I found that bug 49641.  I missed it, because STMIA is THUMB
> instruction :-) and I never force such option:
> 
>   cdl_option CYGHWR_THUMB {
>       user_value 1
>   };
> 
> Well, is unreal config for me, but:
> 
>     CC    ip_input.c
>   /tmp/cceuQCd7.s: Assembler messages:
>   /tmp/cceuQCd7.s:834: Warning: value stored for r3 is UNKNOWN
> 
> disassemble output with objdump:
> 
>   /tmp/t/net/bsd_tcpip/current/src/sys/netinet/net_bsd_tcpip_ip_icmp.o:
>      6:    c30c          stmia    r3!, {r2, r3}
> 
> I checked that GCC 4.6.3 does not produce such error(s) with the same
> eCos config.
> 
> So, if someone build applications with '-mthumb' then in theory he can
> catch the GCC bug #49641 if it was used arm-eabi GCC 4.6.{1,2}.
> 
> Thus, IMHO, we have to switch to GCC-4.6.3 code base.

This is enough for me. +1
Ilija

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