------- Additional Comments From steven at gcc dot gnu dot org  2004-11-13 
17:52 -------
At least x86 and ARM have {reg + reg OP const} addressing 
modes.  Unfortunately we rip such expressions apart already 
in the gimplifier.  This is something we canot fix properly 
on trees.  TER could perhaps do it, but that pass should 
really go away itself, and we don't know anything about 
addressing modes on trees anyway.   Looks like we need to 
teach an RTL loop optimizer about this... 
 

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18463

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