r126537 - in /trunk/gcc: ChangeLog config/mips/...

[daney at gcc dot gnu dot org]

Author: daney
Date: Wed Jul 11 05:14:35 2007
New Revision: 126537

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=126537
Log:
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.

Added:
    trunk/gcc/testsuite/gcc.target/mips/clear-cache-1.c
    trunk/gcc/testsuite/gcc.target/mips/clear-cache-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/mips/mips-protos.h
    trunk/gcc/config/mips/mips.c
    trunk/gcc/config/mips/mips.h
    trunk/gcc/config/mips/mips.md