[LLVMdev] backend question

[Jacques Van Damme]

Hi All,

I am writing a backend for an architecture that has only 16-bit word addressing (No byte addresses ever.  All data are always 16-bit).

How can I specify this in the backend?

As an example, consider the following instruction:
   %arrayidx = getelementptr [129 x i16]* @flags, i16 0, i16 %i.043

When I generate assembler code, this now results in %i.043 being multiplied by 2 in the address calculation which result in a shift being emitted.
How can I avoid this?

Any help would be greatly appreciated.

Thanks in advance,

Jacques Van Damme.


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