V4: add back HAVE_ALU_OPS_WITH_MEM_OPERAND.

This macro accidentally got dropped by
ddb33ee9ba9e1344caa9be5dbf4b534c3ede692e.

Change-Id: I154b89df106de37c53e52c1c449bd4eabadde861
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
V4 IR: removed a couple of hashes and sets.

Change-Id: I09f9aa1921745b9aa323349d90c334b156f690cb
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>