r192041 - in /trunk/gcc: ChangeLog config/rx/rx...

[nickc@gcc.gnu.org]

Author: nickc
Date: Wed Oct  3 16:12:22 2012
New Revision: 192041

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192041
Log:
	* config/rx/rx.c (struct decl_chain): New local structure.
	(warned_decls): New local variable.  Contains a stack of decls for
	which warnings have been issued.
	(add_warned_decl): Adds a decl to the stack.
	(already_warned): Returns true if a given decl is on the stack.
	(rx_set_current_function): Issue a warning if multiple fast
	interrupt handlers are defined.
	* config/rx/rx.opt (mwarn-multiple-fast-interrupts): New option.
	* doc/invoke.texi: Document the option.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rx/rx.c
    trunk/gcc/config/rx/rx.opt
    trunk/gcc/doc/invoke.texi