[m-rev.] for review: MLDS back-end: hoist static constants

[Tyson Dowd]

On 09-Jul-2001, Fergus Henderson <fjh at cs.mu.OZ.AU> wrote:
> Estimated hours taken: 3
> Branches: main
> 
> Change the MLDS back-end so that it hoists *all* static constants out
> to the top level.
> 
> This is required for the IL and Java targets since they don't support
> function-local static variables.  It doesn't cost anything for the
> C or GCC targets, so for consistency we may as well do it for all targets.
> 
> Also some related bug fixes in the IL back-end.
> With these changes, string switches now work.

This is great, thanks Fergus.

Obviously it is a bit hacky to hardcode private_builtin as a special
case like this, however I think the correct solution is to not generate
references to global variables such as MR_SECTAG_LOCAL  or MR_dummy_var 
as mlds__var(...) rvals.

-- 
       Tyson Dowd           # 
                            #  Surreal humour isn't everyone's cup of fur.
     trd at cs.mu.oz.au        # 
http://www.cs.mu.oz.au/~trd #
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