RE: ARM-Thumb support?

[David Korn <dkorn at pixelpower dot com>]

>-----Original Message-----
>From: Wai-Sun Chia [mailto:waisun.chia@msa.dec.com]
>Sent: 04 October 2001 03:03
>To: crossgcc@sourceware.cygnus.com
>Subject: ARM-Thumb support?
>
>
>Currently I have built a toolchain based on gcc-2.95.4 (CVS snapshot) 
>for the arm-linux target, and everything seems to be working fine and 
>dandy on my StrongARM SA-1110 board.
>
>Now I'm getting another board, the Atmel AT91EB40 which is 
>based on the 
>ARM7TDMI core; i.e. Thumb-based.
>
>So my question is:
>Can my currrent arm-linux based cross-gcc work for Thumb-based boards?
>Or do I need to build another cross-gcc; perhaps gcc-3.0.1 for better 
>Thumb support?


  This subject has come up before, I can't tell you the answer myself
but you can find it if you search the mailing list archives at the redhat
website.  I think what people said at the time was that with the 2.95.x
series you should build separate compilers for arm- and thumb- targets,
but the 3.0.x series was meant to have the two integrated into one that
could produce either arm or thumb code.  However I'm not authoritative!
Check the archives!

     DaveK
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