* config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
	(arch attribute): Delete.
	(current_function_calls_alloca attribute): Rename into calls_alloca.
	(calls_eh_return): New attribute.
	(leaf_function): Likewise.
	(length attribute): Fix formula for sibcalls.
	(return insn): Correctly compute the 'length' attribute.
	(do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.

From-SVN: r84299