ARM: gmp has no support for thumb interworking
Richard.Earnshaw at buzzard.freeserve.co.uk
Wed Nov 15 00:46:00 CET 2006
On Tue, 14 Nov 2006 23:42:50 GMT, Richard Earnshaw wrote:
> The hand-coded assembler functions in GMP have no support for being built
> with interworking as required by the ARM EABI. This makes it impossible
> to link libgmp with any code compiled in Thumb state, and thus now
> prevents me from testing GCC development builds by bootstrapping in Thumb
> The functions also unconditionally assume the presence of ARM architecture
> 4. Again this means that it is no longer possible to build a native
> version of GCC that will run on architecture 3 or earlier parts.
Also note that it is not possible to force use of the generic routines,
because the longlong.h header assumes that the assembly functions exist
and can be called.
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