On 02/10/2014 03:06 PM, Jeff Law wrote:
> + PR rtl-optimization/60131
> + * ree.c (get_extended_src_reg): New function.
> + (combine_reaching_defs): Use it rather than assuming location
> + of REG.
> + (find_and_remove_re): Verify first operand of extension is
> + a REG befo
As mentioned in the BZ, we have the following insns:
(insn 24 23 25 6 (set (reg:DI 0 ax [orig:100 D.2269 ] [100])
(zero_extend:DI (reg/v:SI 0 ax [orig:91 v ] [91]))) j.c:22 133
{*zero_extendsidi2}
(nil))
$13 = void
(gdb) p debug_rtx (curr_insn)
(insn 33 32 35 7 (set (reg/v:SI 0 a
