H.J. Lu schrieb:
My target needs a scratch register to store a register in one register class
and it needs to use memory to copy from one register class to another.
I have store and reload_out patterns for those registers. When reload
tries to copy data from one register class to another, it just stores the
register without using the proper reload_out pattern which has a scratch
register.
How can I tell reload to always use a scratch register when storing a
register?
Did you define the TARGET_SECONDARY_RELOAD hook?
Thanks.