Add documentation for the MIPS assembler's -march=from-abi command line option
diff --git a/gas/doc/c-mips.texi b/gas/doc/c-mips.texi
index f1eee0e..3e07251 100644
--- a/gas/doc/c-mips.texi
+++ b/gas/doc/c-mips.texi
@@ -468,6 +468,11 @@
accepted as synonyms for @samp{@var{n}f1_1}. These values are
deprecated.
+In addition the special name @samp{from-abi} can be used, in which
+case the assembler will select an architecture suitable for whichever
+ABI has been selected, either via the @option{-mabi=} command line
+option or the built in default.
+
@item -mtune=@var{cpu}
Schedule and tune for a particular MIPS CPU. Valid @var{cpu} values are
identical to @samp{-march=@var{cpu}}.
