------- Comment #2 from matz at gcc dot gnu dot org  2007-10-09 17:41 -------
I think this happens because gcc 4.3.x doesn't have fold_rtx_mem() and friends
anymore since the introduction of fwprop.c.  It formerly used to also lookup
the address of the given MEMs, and hence perform this substitution.
Now nothing looks at the address anymore (in cse).  I don't yet know why
fwprop doesn't do that.  Paolo?


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matz at gcc dot gnu dot org changed:

           What    |Removed                     |Added
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                 CC|                            |bonzini at gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33713

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