2007-01-03 Paul Brook <paul@codesourcery.com>

[pf3gnuchains/gcc-fork.git] / gcc / doc / extend.texi

diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index 7e9aa11..3d05ad4 100644 (file)
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -1,5 +1,5 @@
 @c Copyright (C) 1988, 1989, 1992, 1993, 1994, 1996, 1998, 1999, 2000,
-@c 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+@c 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
 
 @c This is part of the GCC manual.
 @c For copying conditions, see the file gcc.texi.
@@ -1965,6 +1965,9 @@ void f () __attribute__ ((interrupt ("IRQ")));
 
 Permissible values for this parameter are: IRQ, FIQ, SWI, ABORT and UNDEF@.
 
+On ARMv7-M the interrupt type is ignored, and the attibute means the function
+may be called with a word aligned stack pointer.
+
 @item interrupt_handler
 @cindex interrupt handler functions on the Blackfin, m68k, H8/300 and SH processors
 Use this attribute on the Blackfin, m68k, H8/300, H8/300H, H8S, and SH to