http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55597



Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:



           What    |Removed                     |Added

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                 CC|                            |ebotcazou at gcc dot

                   |                            |gnu.org



--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-12-05 
11:34:33 UTC ---

> Out of expand GCC produces:

> 

> (insn 6 5 7 2 (set (reg:DI 61)

>         (reg:DI 0 ax)) t.c:8 -1

>      (expr_list:REG_EQUAL (symbol_ref:SI ("__morestack_initial_sp") \

>    [flags 0x10]  <var_decl 0x7ffff6263720 __morestack_initial_sp>)

>         (nil)))

> (insn 7 6 8 2 (parallel [

>             (set (reg:DI 62)

>                 (plus:DI (reg:DI 61)

>                     (const_int 4 [0x4])))

>             (clobber (reg:CC 17 flags))

>         ]) t.c:8 -1

>      (nil))



The REG_EQUAL note is already wrong here.

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