cell.md: New file.

2006-11-13  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/rs6000/cell.md: New file.
        * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
        variable.
        (ppccell_cost): New cost matrix.
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
        (rs6000_override_options): Set rs6000_always_hint to false
        for cell. Also align functions/lables/loops to 8byte
        for the Cell. Use PROCESSOR_CELL.
        (rs6000_emit_epilogue): Rename using_mfcr_multiple to
        using_mtcr_multiple.
        (rs6000_variable_issue): If the insn is a nonpipelined instruction
        on the Cell, return 0.
        (rs6000_adjust_cost): Add Cell cost adjustments.
        (is_microcoded_insn): Return true for Cell microcoded
        instructions.
        (is_nonpipeline_insn): New function.
        (rs6000_issue_rate): Add PROCESSOR_CELL.
        (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
        instructions.
        (rs6000_use_sched_lookahead_guard): New function.
        (rs6000_sched_reorder):  Reorder the ready list, if the second
        to last ready insn is a nonepipeline insn on the Cell.
        * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
        (ASM_CPU_SPEC): Add Cell.
        * config/rs6000/rs6000.md (cpu): Add Cell.
        (cell_micro): New Attr.
        Include cell.md

From-SVN: r118776