------- Comment #12 from danglin at gcc dot gnu dot org 2010-06-16 01:01
-------
The REG_POINTER flag for reg:DI 274 is copied from reg:DI 2374 in pa.c.
The flag for reg:DI 2374 is in turn copied from reg:DI 2349 in pa.c.
The flag for reg:DI 2349 is set here:
(gdb) p debug_rtx (reg)
(reg:DI 2349 [ D.35290 ])
$68 = void
(gdb) bt
#0 mark_reg_pointer (reg=0x800003fffd4c0420, align=64)
at ../../gcc/gcc/emit-rtl.c:1118
#1 0x4000000001166d94 in set_reg_attrs_from_value (reg=0x800003fffd4c0420,
x=0x40fd976c40) at ../../gcc/gcc/emit-rtl.c:992
#2 0x4000000001166e14 in gen_reg_rtx_and_attrs (x=0x800003fffd976c40)
at ../../gcc/gcc/emit-rtl.c:1003
#3 0x400000000195a8bc in move_invariant_reg (loop=0x800003fffdff18f0,
invno=64) at ../../gcc/gcc/loop-invariant.c:1416
#4 0x400000000195ad40 in move_invariants (loop=0x800003fffd4c0420)
at ../../gcc/gcc/loop-invariant.c:1489
#5 0x400000000195ad40 in move_invariants (loop=0x800003fffd4c0420)
at ../../gcc/gcc/loop-invariant.c:1489
#6 0x400000000195b2bc in move_single_loop_invariants (
loop=0x800003fffced9ab0) at ../../gcc/gcc/loop-invariant.c:1558
#7 0x400000000195cdc8 in move_loop_invariants ()
at ../../gcc/gcc/loop-invariant.c:1905
#8 0x40000000019302f8 in rtl_move_loop_invariants ()
at ../../gcc/gcc/loop-init.c:254
#9 0x4000000001b86534 in execute_one_pass (pass=0x800003fffdff18f0)
at ../../gcc/gcc/passes.c:1568
#10 0x4000000001b86964 in execute_pass_list (pass=0x800003fffd4c0420)
at ../../gcc/gcc/passes.c:1623
#11 0x4000000001b869a8 in execute_pass_list (pass=0x800003fffd4c0420)
at ../../gcc/gcc/passes.c:1624
#12 0x4000000001b869a8 in execute_pass_list (pass=0x800003fffd4c0420)
at ../../gcc/gcc/passes.c:1624
#13 0x40000000027a78b8 in tree_rest_of_compilation (fndecl=0x800003fffdff18f0)
at ../../gcc/gcc/tree-optimize.c:413
...
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43740
