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diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
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--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -2994,6 +2994,13 @@ tested, should also use the above mechanism. @xref{Jump Patterns}.
The above discussion also applies to the @samp{mov@var{mode}cc} and
@samp{s@var{cond}} patterns.
+@cindex @code{cbranch@var{mode}4} instruction pattern
+@item @samp{cbranch@var{mode}4}
+Conditional branch instruction combined with a compare instruction.
+Operand 0 is a comparison operator. Operand 1 and operand 2 are the
+first and second operands of the comparison, respectively. Operand 3
+is a @code{label_ref} that refers to the label to jump to.
+
@cindex @code{jump} instruction pattern
@item @samp{jump}
A jump inside a function; an unconditional branch. Operand 0 is the
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