[PATCH] Update document for VECTOR_MODES_WITH_PREFIX

["Kewen.Lin" <linkw@linux.ibm.com>]

Hi,

r10-3912 updated the format of VECTOR_MODES_WITH_PREFIX by
adding one more parameter ORDER, the related document is out
of date.  So update the document for ORDER.

Is it ok for trunk?

BR,
Kewen
-----

gcc/ChangeLog:

	* machmode.def (VECTOR_MODES_WITH_PREFIX): Update document for
	parameter ORDER.
---
 gcc/machmode.def | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/gcc/machmode.def b/gcc/machmode.def
index b62a5fbc683..d62563601fc 100644
--- a/gcc/machmode.def
+++ b/gcc/machmode.def
@@ -142,9 +142,10 @@ along with GCC; see the file COPYING3.  If not see
 	than two bytes (if CLASS is FLOAT).  CLASS must be INT or
 	FLOAT.  The names follow the same rule as VECTOR_MODE uses.

-     VECTOR_MODES_WITH_PREFIX (PREFIX, CLASS, WIDTH);
+     VECTOR_MODES_WITH_PREFIX (PREFIX, CLASS, WIDTH, ORDER);
 	Like VECTOR_MODES, but start the mode names with PREFIX instead
-	of the usual "V".
+	of the usual "V".  ORDER is the top-level sorting order of the
+	mode, with smaller numbers indicating a higher priority.

      VECTOR_BOOL_MODE (NAME, COUNT, COMPONENT, BYTESIZE)
         Create a vector mode called NAME that contains COUNT boolean
--
2.27.0