* loop.c (get_condition): Don't combine when either compare is MODE_CC.
* alpha.c (alpha_emit_conditional_branch): New function.  Taken from
the body of beq; additionally set the mode of the branch to CCmode for
FP compares and not fast_math.
(alpha_emit_conditional_move): Always use a compare insn for FP
when not fast_math, as well as setting CCmode on the cmov.
* alpha.md (beq, bne, blt, et al): Call alpha_emit_conditional_branch.

From-SVN: r19645