alpha.c (alpha_split_tfmode_frobsign): New.

        * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
        * config/alpha/alpha-protos.h: Declare it.
        * config/alpha/alpha.md (abstf_internal): Use it.
        (negtf_internal): Likewise.
        (andnotdi3): Unstar the name.
        (movtf_internal): Add o/G alternative.

From-SVN: r37634