Document -param=ix86-vect-unroll-limit.

gcc/ChangeLog:

	* doc/invoke.texi: Document -param=ix86-vect-unroll-limit.

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 56c4fa86e346676557774e83a782bff994758a6f..4e063e43c859dd778957809c0903972a22f354de 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -17872,6 +17872,9 @@ Instructions number above which STFL stall penalty can be compensated.
 The maximum number of use and def visits when discovering a STV chain before
 the discovery is aborted.
 
+@item ix86-vect-unroll-limit
+Limit how much the autovectorizer may unroll a loop.
+
 @end table
 
 @end table