[M3commit] CVS Update: cm3

[Jay K]

diff attached

I keep finding other things to fix while trying to get enums/typedefs to work.
So this let me save stuff at an ok place.

 - Jay

----------------------------------------
> Date: Sat, 25 Sep 2010 02:16:13 +0000
> To: m3commit at elegosoft.com
> From: jkrell at elego.de
> Subject: [M3commit] CVS Update: cm3
>
> CVSROOT: /usr/cvs
> Changes by: jkrell at birch. 10/09/25 02:16:13
>
> Modified files:
> cm3/m3-sys/m3cc/gcc/gcc/m3cg/: parse.c
>
> Log message:
> tighten up some asserts
> size and align >= 1, not just >= 0
> er, no, size can be 0, for empty records
> or fields of their type, so leave it alone and align >= !!size
>
> work in progress
> types/debugging for enums and typedefs
> (when you say TYPE a = {b,c};
> {b,c} is anonymous enum
> and a is a typedef/typename for.
> consider you can say:
> TYPE a = {b,c};
> TYPE a2 = {b,c};
> it is equivalent to typedef enum {b,c} a, a2;)
> not yet working, not yet enabled
>
> don't widen return types
> leave the mechanism though because
> this might be where we adjust struct vs. struct*, which
> is another thing configure -enable-checking complains about,
> though that is specific to module initializers I think,
> not all functions in general
>
> set the alignment of bitfields 1 bit, other fields to BITS_PER_UNIT (8 bits)
> part of attempted work in progress to generate decent trees
> instead of obviously poor ones; aka to actually maybe finish
> this backend instead of leaving it very incomplete for years
> (not yet enabled)
>
> Do a better job of skipping the prefix of module/segment names.
> M_Main => "Main" instead of "ain".
> Instead of always skipping 3, skip up to the first
> underscore, if it is at position 0, 1, or 2.
> Right? Or did I regress this somewhere since release?
>
> layout_decl(var, 0)
> => layout_decl(var, 1)
> alignment = 0 is bad, causes divide by zero with plain -g
>
 		 	   		  
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