Richard Sandiford wrote:
>
> OK with those three changes.  They're all trivial, so if it compiles,
> there's no need to retest.
>   
Thanks for reviewing this Richard.

This is the version I committed.  The only changes are those you suggested.

David Daney

2007-07-10  David Daney  <ddaney@avtrex.com>

    * config/mips/mips.h (ISA_HAS_SYNCI): New target capability
    predicate.
    (INITIALIZE_TRAMPOLINE): Emit clear_cache insn instead of  library
    call.
    * config/mips/mips.c (mips_expand_synci_loop): New function.
    * config/mips/mips.md (UNSPEC_CLEAR_HAZARD): New constant.
    (UNSPEC_RDHWR): Same.
    (UNSPEC_SYNCI): Same.
    (UNSPEC_SYNC): Same.
    (clear_cache): New expand.
    (sync): New insn.
    (synci): Same.
    (rdhwr): Same.
    (clear_hazard): Same.
    * config/mips/mips-protos.h (mips_expand_synci_loop): Declare
    function.
    * testsuite/gcc.target/mips/clear-cache-1.c: New test.
    * testsuite/gcc.target/mips/clear-cache-2.c: New test.