diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 8b7323e54b..e170dd0b3d 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2018-10-26  Pedro Franco de Carvalho  <pedromfc@linux.ibm.com>
+
+	* reggroups.c (default_register_reggroup_p): Return true for
+	decfloat registers and float_reggroup.
+
 2018-10-26  Pedro Franco de Carvalho  <pedromfc@linux.ibm.com>
 
 	* ppc-linux-tdep.c (ppc_linux_collect_vrregset): Remove.
diff --git a/gdb/reggroups.c b/gdb/reggroups.c
index f0fd3d7cf2..f7a7cb1108 100644
--- a/gdb/reggroups.c
+++ b/gdb/reggroups.c
@@ -202,7 +202,9 @@ default_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
   if (group == all_reggroup)
     return 1;
   vector_p = TYPE_VECTOR (register_type (gdbarch, regnum));
-  float_p = TYPE_CODE (register_type (gdbarch, regnum)) == TYPE_CODE_FLT;
+  float_p = (TYPE_CODE (register_type (gdbarch, regnum)) == TYPE_CODE_FLT
+	     || (TYPE_CODE (register_type (gdbarch, regnum))
+		 == TYPE_CODE_DECFLOAT));
   raw_p = regnum < gdbarch_num_regs (gdbarch);
   if (group == float_reggroup)
     return float_p;