C-SKY: Amend copyrights of recently added files.

gcc/ChangeLog:
	* config/csky/csky-modes.def : Amend copyright.
	* config/csky/csky_insn_fpuv2.md : Likewise.
	* config/csky/csky_insn_fpuv3.md : Likewise.

gcc/testsuite/ChangeLog:
	* gcc.target/csky/fpuv3/fpuv3.exp : Amend copyright.

3 files changed, 58 insertions, 0 deletions

diff --git a/gcc/config/csky/csky-modes.def b/gcc/config/csky/csky-modes.def
index a2427ff..9062efc 100644
--- a/gcc/config/csky/csky-modes.def
+++ b/gcc/config/csky/csky-modes.def
@@ -1,2 +1,22 @@
+;; C-SKY extra machine modes.
+;; Copyright (C) 2018-2021 Free Software Foundation, Inc.
+;; Contributed by C-SKY Microsystems and Mentor Graphics.
+;;
+;; This file is part of GCC.
+;;
+;; GCC is free software; you can redistribute it and/or modify it
+;; under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 3, or (at your option)
+;; any later version.
+;;
+;; GCC is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;; General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with GCC; see the file COPYING3.  If not see
+;; <http://www.gnu.org/licenses/>.  */
+
 /* Float modes.  */
 FLOAT_MODE (HF, 2, ieee_half_format);        /* Half-precision floating point */
diff --git a/gcc/config/csky/csky_insn_fpuv2.md b/gcc/config/csky/csky_insn_fpuv2.md
index 0a680f8..d56b61f 100644
--- a/gcc/config/csky/csky_insn_fpuv2.md
+++ b/gcc/config/csky/csky_insn_fpuv2.md
@@ -1,3 +1,22 @@
+;; C-SKY FPUV2 instruction descriptions.
+;; Copyright (C) 2018-2021 Free Software Foundation, Inc.
+;; Contributed by C-SKY Microsystems and Mentor Graphics.
+;;
+;; This file is part of GCC.
+;;
+;; GCC is free software; you can redistribute it and/or modify it
+;; under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 3, or (at your option)
+;; any later version.
+;;
+;; GCC is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;; General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with GCC; see the file COPYING3.  If not see
+;; <http://www.gnu.org/licenses/>.  */
 
 ;; -------------------------------------------------------------------------
 ;; Float Abs instructions
diff --git a/gcc/config/csky/csky_insn_fpuv3.md b/gcc/config/csky/csky_insn_fpuv3.md
index 053673c..b5f4798 100644
--- a/gcc/config/csky/csky_insn_fpuv3.md
+++ b/gcc/config/csky/csky_insn_fpuv3.md
@@ -1,3 +1,22 @@
+;; C-SKY FPUV3 instruction descriptions.
+;; Copyright (C) 2018-2021 Free Software Foundation, Inc.
+;; Contributed by C-SKY Microsystems and Mentor Graphics.
+;;
+;; This file is part of GCC.
+;;
+;; GCC is free software; you can redistribute it and/or modify it
+;; under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 3, or (at your option)
+;; any later version.
+;;
+;; GCC is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;; General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with GCC; see the file COPYING3.  If not see
+;; <http://www.gnu.org/licenses/>.  */
 
 (define_c_enum "unspec" [
   UNSPEC_MAXNM_F3