------- Comment #2 from ubizjak at gmail dot com  2010-05-03 13:46 -------
Hm, in expand_assignment (), around line 4408 in expr.c, we expand

MEM[base: pfrom_8, offset: 1]

to

(mem:QI (plus:DI (subreg/s:SI (reg/v/f:DI 108 [ pfrom ]) 0)
        (const_int 1 [0x1])) [0 *pfrom_8 S1 A8])

IMO, the usage of subregs is kind of suspicious since this is invalid RTX.


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ubizjak at gmail dot com changed:

           What    |Removed                     |Added
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43973

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