* alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
        (PREDICATE_CODES): Add addition_operation.
        * alpha-protos.h (addition_operation): Declare.
        (secondary_reload_class): Likewise.
        * alpha.c (addition_operation): New.
        (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
        * alpha.md (adddi3): Turn into expander.
        (*lda, *adddi_2): New.
        (movsf, movdf patterns): Don't preference integer regs.
        (movsi, movdi patterns): Don't preference fp regs.

From-SVN: r30277