Add support for ARC instruction relaxation in the assembler.

[deliverable/binutils-gdb.git] / gas / doc / c-arc.texi

diff --git a/gas/doc/c-arc.texi b/gas/doc/c-arc.texi
index 96abe8385a5dd7f9bdb378fce32dcaa012d50e35..4824027e06f45c1c794d3e5cc6f551b5d441cab4 100644 (file)
--- a/gas/doc/c-arc.texi
+++ b/gas/doc/c-arc.texi
@@ -85,6 +85,12 @@ default.
 This option turns on Code Density instructions.  Only valid for ARC EM
 processors.
 
+@cindex @code{-mrelax} command line option, ARC
+@item -mrelax
+Enable support for assembly-time relaxation.  The assembler will
+replace a longer version of an instruction with a shorter one,
+whenever it is possible.
+
 @end table
 
 @node ARC Syntax