* alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
        (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
        (call-value patterns): Move to end of file.
        (*): Remove mode from label_ref in (pc) context.
        (movstrqi): Use memory not general_operand for BLKmode operands.
        (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
        to register_operand operands.
        (peep2 patterns): Convert from commented-out peephole patterns.

From-SVN: r29739