Now backported to gcc-6-branch too, after bootstrap and regression
testing.
PR target/72802
* config/rs6000/rs6000.c (mem_operand_gpr): Remove vsx dform test.
(mem_operand_ds_form): New predicate.
* config/rs6000/rs6000-protos.h (mem_operand_ds_form): Declare.
On Fri, Aug 05, 2016 at 11:35:11AM +0930, Alan Modra wrote:
> diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
> index 779ba1f..c59d07a 100644
> --- a/gcc/config/rs6000/rs6000.c
> +++ b/gcc/config/rs6000/rs6000.c
> @@ -7717,8 +7717,34 @@ mem_operand_gpr (rtx op, machine_mode mod
We can't use "o" constraint for lsxxp/stxssp since those insns have a
DS-form offset field, ie. the bottom two bits of the offset must be 0.
So use "wY" instead, but that leads to finding another problem..
mem_operand_gpr is only suitable for gpr loads/stores since it does
not enforce multiple-of-
