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[Bug 1001468] eCos GNU tools 4.6.2
- From: bugzilla-daemon at bugs dot ecos dot sourceware dot org
- To: ecos-bugs at ecos dot sourceware dot org
- Date: Sat, 3 Mar 2012 21:17:34 +0000
- Subject: [Bug 1001468] eCos GNU tools 4.6.2
- Auto-submitted: auto-generated
- References: <bug-1001468-13@http.bugs.ecos.sourceware.org/>
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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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