------- Comment #3 from danglin at gcc dot gnu dot org  2009-12-17 01:57 -------
The problem is here:

0x00163a80 in emit_block_move_via_movmem (x=<value optimized out>, 
    y=<value optimized out>, size=0x40013220, method=BLOCK_OP_NORMAL, 
    expected_align=<value optimized out>, expected_size=<value optimized out>)
    at ../../gcc/gcc/expr.c:1300
1300      rtx opalign = GEN_INT (align / BITS_PER_UNIT);
(gdb) p/x $r23
$13 = 0x1

align is 1.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42397

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