mips.h (ISA_HAS_SYNCI): New target capability predicate.
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.
From-SVN: r126537