On Mon, Feb 23, 2015 at 8:56 AM, Alan Modra <amo...@gmail.com> wrote:
> get_memreg_parts can return a memory base other than a REG, when the
> memory address in question is a PLUS with other than a REG as its
> first operand.  This leads to an ICE with rtl checking enabled on the
> following, since the callers of get_memreg_parts expect a REG.
>
> (gdb) p debug_rtx(addr_rtx)
> (plus:DI (plus:DI (reg/f:DI 9 9 [162])
>         (const_int 65536 [0x10000]))
>     (const_int -31752 [0xffffffffffff83f8]))
>
> Bootstrapped and regression tested powerpc64-linux.  OK for stage4?
>
>         PR target/65182
>         * config/rs6000/rs6000.c (get_memref_parts): Only return true
>         when *base is a reg.  Handle nested plus addresses.  Simplify
>         pre_modify test.

Okay for stage 4.

Thanks, David

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