gcc/
2008-11-15  Joshua Kinard  <kumba@gentoo.org>

	* doc/invoke.texi (-mfix-r10000): Document.
	* config/mips/mips.opt (mfix-r10000): New option.
	* config/mips/mips-protos.h (mips_output_sync_loop): Declare.
	* config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Use %?.
	(MIPS_COMPARE_AND_SWAP_12): Likewise.
	(MIPS_SYNC_OP): Likewise.
	(MIPS_SYNC_OP_12): Likewise.
	(MIPS_SYNC_OLD_OP_12): Likewise.
	(MIPS_SYNC_NEW_OP_12): Likewise.
	(MIPS_SYNC_OLD_OP): Likewise.
	(MIPS_SYNC_NAND): Likewise.
	(MIPS_SYNC_OLD_NAND): Likewise.
	(MIPS_SYNC_EXCHANGE): Likewise.
	(MIPS_SYNC_EXCHANGE_12): Likewise.
	(MIPS_SYNC_NEW_OP): Likewise, using %~ to fill branch-likely
	delay slots.
	(MIPS_SYNC_NEW_NAND): Likewise.
	* config/mips/mips.c (mips_print_operand_punctuation): Handle '~'.
	(mips_init_print_operand_punct): Treat '~' as a punctuation character.
	(mips_output_sync_loop): New function.
	(mips_override_options): Make -march=r10000 imply -mfix-r10000.
	Make -mfix-r10000 require branch-likely instructions.
	* config/mips/sync.md (sync_compare_and_swap<mode>): Use
	mips_output_sync_loop.
	(compare_and_swap_12): Likewise.
	(sync_add<mode>): Likewise.
	(sync_<optab>_12): Likewise.
	(sync_old_<optab>_12): Likewise.
	(sync_new_<optab>_12): Likewise.
	(sync_nand_12): Likewise.
	(sync_old_nand_12): Likewise.
	(sync_new_nand_12): Likewise.
	(sync_sub<mode>): Likewise.
	(sync_old_add<mode>): Likewise.
	(sync_old_sub<mode>): Likewise.
	(sync_new_add<mode>): Likewise.
	(sync_new_sub<mode>): Likewise.
	(sync_<optab><mode>): Likewise.
	(sync_old_<optab><mode>): Likewise.
	(sync_new_<optab><mode>): Likewise.
	(sync_nand<mode>): Likewise.
	(sync_old_nand<mode>): Likewise.
	(sync_new_nand<mode>): Likewise.
	(sync_lock_test_and_set<mode>): Likewise.
	(test_and_set_12): Likewise.

gcc/testsuite/
2008-11-15  Joshua Kinard  <kumba@gentoo.org>
	    Richard Sandiford  <rdsandiford@goolemail.com>

	* gcc.target/mips/fix-r10000-1.c: New test.
	* gcc.target/mips/fix-r10000-2.c: Likewise.
	* gcc.target/mips/fix-r10000-3.c: Likewise.
	* gcc.target/mips/fix-r10000-4.c: Likewise.
	* gcc.target/mips/fix-r10000-5.c: Likewise.
	* gcc.target/mips/fix-r10000-6.c: Likewise.
	* gcc.target/mips/fix-r10000-7.c: Likewise.
	* gcc.target/mips/fix-r10000-8.c: Likewise.
	* gcc.target/mips/fix-r10000-9.c: Likewise.
	* gcc.target/mips/fix-r10000-10.c: Likewise.
	* gcc.target/mips/fix-r10000-11.c: Likewise.
	* gcc.target/mips/fix-r10000-12.c: Likewise.
	* gcc.target/mips/fix-r10000-13.c: Likewise.
	* gcc.target/mips/fix-r10000-14.c: Likewise.
	* gcc.target/mips/fix-r10000-15.c: Likewise.

Co-Authored-By: Richard Sandiford <rdsandiford@googlemail.com>

From-SVN: r141886