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On 04/06/11 03:38, Nick Clifton wrote:
> Hi Jeff, Hi Alex, Hi Richard,
>
> The MN10300 gcc port currently does not build on the mainline because
> of:
>
> In file included from gcc/unwind-dw2-fde.c:35:0:
> gcc/unwind-pe.h: In function 'read_encoded_value_with_base':
> gcc/unwind-pe.h:271:1: error: insn does not satisfy its constraints:
>
> (insn 417 381 382 7 (set (reg/v:QI 50 mdr [orig:145 encoding ] [145])
> (reg:QI 0 d0)) 0 {*movqi_internal}
> (nil))
>
> Ie the movqi insn does not handle the MDR register. (A similar issue
> affects the movhi insn, although that is not triggered until later on
> in the toolchain build). I would like to propose the attached small
> patch to fix this problem.
>
> Tested without regressions on an mn10300-elf toolchain.
>
> OK to apply ?
>
> Cheers
> Nick
>
> gcc/ChangeLog
> 2011-04-05 Nick Clifton <ni...@redhat.com>
>
> * config/mn10300/mn10300.md (movqi_internal): Add alternatives
> to handle MDR <-> data register transfers.
> (movhi_internal): Likewise.
OK.
Jeff
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