[Bug tree-optimization/32901] [4.1/4.2/4.3 regression] bitfield constants with multiple bitfields take up space in .data

aldyh at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Tue Dec 4 23:54:00 GMT 2007



------- Comment #10 from aldyh at gcc dot gnu dot org  2007-12-04 23:54 -------
(In reply to comment #8)
> E.g. for PR22141 it would help too (for PR32901 only if the constructor
> gimplification heuristics is also adjusted).
> 

Ok, I see what you mean.  We adjust the heuristic as I've suggested, and write
some pass to merge consecutive bitfield stores.  I wonder what pass we can
hijack and add the smarts to, instead of writing a whole new pass...


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32901



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