CSKY: Add version flag in eflag and fix bug in disassembling register.

gas/
	* config/tc-csky.c (md_begin): Add version flag in eflag.

include/
	* opcode/csky.h (CSKY_VERSION_V1): Define, currently used.
	(CSKY_VERSION_V2): Define.
	(CSKY_VERSION_V3): Define.

Change-Id: Iafe3a9ce6fe544880a225b9fae439275a828bb34

gas/ChangeLog

@@ -1,3 +1,7 @@
+2020-10-26  Cooper Qu <cooper.qu@linux.alibaba.com>
+
+	* config/tc-csky.c (md_begin): Add version flag in eflag.
+
 2020-10-26  Cooper Qu <cooper.qu@linux.alibaba.com>
 
 	* config/tc-csky.c (get_operand_value): Add handler for
@@ -5,7 +9,6 @@
 	* testsuite/gas/csky/csky_vdsp.d : Fix the disassembling for
 	vector register.
 
-
 2020-10-26  Lili Cui  <lili.cui@intel.com>
 
 	* testsuite/gas/i386/avx-vnni.d: Change psuedo prefix from

gas/config/tc-csky.c

@@ -1852,7 +1852,7 @@ md_begin (void)
     str_hash_insert (csky_macros_hash,
 		     v2_lrw_macro_opcode.name, &v2_lrw_macro_opcode, 0);
   /* Set e_flag to ELF Head.  */
-  bfd_set_private_flags (stdoutput, mach_flag & ~(0xffff));
+  bfd_set_private_flags (stdoutput, mach_flag | CSKY_VERSION_V1);
   /* Set bfd_mach to bfd backend data.  */
   bfd_set_arch_mach (stdoutput, bfd_arch_csky, bfd_mach_flag);
 

include/ChangeLog

@@ -1,3 +1,9 @@
+2020-10-26  Cooper Qu <cooper.qu@linux.alibaba.com>
+
+	* opcode/csky.h (CSKY_VERSION_V1): New, currently used.
+	(CSKY_VERSION_V2): New.
+	(CSKY_VERSION_V3): New.
+
 2020-10-21  Tom Tromey  <tromey@adacore.com>
 
 	* ctf-api.h (_CTF_ERRORS): New macro.

include/opcode/csky.h

@@ -93,6 +93,11 @@
 #define CSKY_ARCH_JAVA      (1 << 8)
 #define CSKY_ARCH_APS       (1 << 7)
 
+/* eflag's Versions.  */
+#define CSKY_VERSION_V1     (1 << 24)
+#define CSKY_VERSION_V2     (2 << 24)
+#define CSKY_VERSION_V3     (3 << 24)
+
 #define IS_CSKY_V1(a) \
   (((a) & CSKY_ABI_MASK) == CSKY_ABI_V1)
 #define IS_CSKY_V2(a) \