PR middle-end/14311
	* builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
	BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
	BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
	BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
	BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
	BT_FN_I8_VPTR_I8_I8): New.
	* builtins.def (DEF_SYNC_BUILTIN): New.
	(BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
	BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
	BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
	BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
	BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
	BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
	BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
	BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
	BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
	BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
	BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
	BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
	BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
	BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
	BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
	BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
	BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
	BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
	BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
	BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
	BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
	BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
	BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
	BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
	BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
	BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
	BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
	BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
	BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
	BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
	BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
	BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
	BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
	BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
	BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
	BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
	BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
	BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
	BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
	BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
	BUILT_IN_SYNCHRONIZE: New.
	* builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
	as a function.  Accept __sync_ as a prefix as well.
	(expand_builtin_sync_operation, expand_builtin_compare_and_swap,
	expand_builtin_lock_test_and_set, expand_builtin_synchronize,
	expand_builtin_lock_release): New.
	(expand_builtin): Call them.
	* c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
	neither BOTH_P nor FALLBACK_P are defined.
	(builtin_type_for_size): New.
	(sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
	(resolve_overloaded_builtin): New.
	* c-common.h (resolve_overloaded_builtin): Declare.
	(builtin_type_for_size): Declare.
	* c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
	* expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
	sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
	sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
	sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
	sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
	sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
	sync_compare_and_swap_cc, sync_lock_test_and_set,
	sync_lock_release): New.
	* optabs.h: Declare them.
	* expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
	expand_sync_operation, expand_sync_fetch_operation,
	expand_sync_lock_test_and_set): Declare.
	* genopinit.c (optabs): Add sync optabs.
	* optabs.c (init_optabs): Initialize sync optabs.
	(expand_val_compare_and_swap_1, expand_val_compare_and_swap,
	expand_bool_compare_and_swap, expand_compare_and_swap_loop,
	expand_sync_operation, expand_sync_fetch_operation,
	expand_sync_lock_test_and_set): New.
	* doc/extend.texi (Atomic Builtins): New section
	* doc/md.texi (Standard Names): Add sync patterns.

From-SVN: r98154