docs: Fix [us]abd pattern name.

The uabd and sabd optab name is missing a 3 suffix (for its three
arguments).  This patch adds it.

gcc/ChangeLog:

	* doc/md.texi: Add "3" suffix.

diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index f0b63a144ad21489f925cedf9c8b59860eb32818..523ce9bce17e777c55aae85433682cdfd3ebeea1 100644 (file)
--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -6208,8 +6208,8 @@ Other shift and rotate instructions, analogous to the
 Vector shift and rotate instructions that take vectors as operand 2
 instead of a scalar type.
 
-@cindex @code{uabd@var{m}} instruction pattern
-@cindex @code{sabd@var{m}} instruction pattern
+@cindex @code{uabd@var{m}3} instruction pattern
+@cindex @code{sabd@var{m}3} instruction pattern
 @item @samp{uabd@var{m}}, @samp{sabd@var{m}}
 Signed and unsigned absolute difference instructions.  These
 instructions find the difference between operands 1 and 2