AVR: Document valid ranges of -mfuse-add=

gcc/
	* doc/invoke.texi (AVR Options) <-mfuse-add=level>: Document
	valid values for level.

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 7862c751801d2043652f11f6ffe2a0dd36bae026..dc5fd863ca498c34c05282afec769bd836d8b0e0 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -23792,6 +23792,7 @@ subroutines.  Code size is smaller.
 Optimize indirect memory accesses on reduced Tiny devices.
 The default uses @code{@var{level}=1} for optimizations @option{-Og}
 and @option{-O1}, and @code{@var{level}=2} for higher optimizations.
+Valid values for @var{level} are @code{0}, @code{1} and @code{2}.
 
 @opindex mdouble
 @opindex mlong-double