http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49781

--- Comment #3 from Uros Bizjak <ubizjak at gmail dot com> 2011-08-03 07:00:12 
UTC ---
Basically, we should allow ZERO_EXTEND in address:

Trying 117 -> 118:
Failed to match this instruction:
(set (mem:SI (zero_extend:DI (plus:SI (mult:SI (reg/v:SI 150 [ n ])
                    (const_int 4 [0x4]))
                (reg/f:SI 189))) [2 MEM[symbol: heap, index: D.2768_17, offset:
4B]+0 S4 A32])
    (reg/v:SI 150 [ n ]))

We should emit addr32 in this case.

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