diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2a0fbb720b4d648a59e971fdf2cbbad04c07da62..165472102343544916802d013042b532722ec0a1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2004-04-03  Jan Hubicka  <jh@suse.cz>
+
+	* md.texi (vec_set, vec_extract, vec_init): Document.
+
 2004-04-02  Gabor Loki <loki@inf.u-szeged.hu>
 
        * opts.c (decode_options): Do function inlining with very small
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index f1f8dae1e52073cd9f33a74932f41f557bdd6890..5cff95bd2c22483de92432d4fed0b3763e11563b 100644
--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -2465,6 +2465,21 @@ into consecutive memory locations.  Operand 0 is the first of the
 consecutive memory locations, operand 1 is the first register, and
 operand 2 is a constant: the number of consecutive registers.
 
+@cindex @code{vec_set@var{m}} instruction pattern
+@item @samp{vec_set@var{m}}
+Set given field in the vector value.  Operand 0 is the vector to modify,
+operand 1 is new value of field and operand 2 specify the field index.
+
+@cindex @code{vec_extract@var{m}} instruction pattern
+@item @samp{vec_extract@var{m}}
+Extract given field from the vector value.  Operand 1 is the vector, operand 2
+specify field index and operand 0 place to store value into.
+
+@cindex @code{vec_init@var{m}} instruction pattern
+@item @samp{vec_init@var{m}}
+Initialize the vector to given values.  Operand 0 ise the vector to initialize
+and operand 1 is parallel containing values for individual fields.
+
 @cindex @code{push@var{m}} instruction pattern
 @item @samp{push@var{m}}
 Output a push instruction.  Operand 0 is value to push.  Used only when