* config/msp430/msp430.c (is_wakeup_func): New function. Returns
true if the current function has the wakeup attribute.
(msp430_start_function): Note if the function has the wakeup
attribute.
(msp430_attribute_table): Add wakeup attribute.
(msp430_expand_epilogue): Add support for wakeup functions.
* config/msp430/msp430.md (disable_interrupts): Emit a NOP after
the DINT instruction.
* doc/extend.texi: Document the wakeup attribute.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205958
138bc75d-0d04-0410-961f-
82ee72b054a4