Add support for Score target.

8 files changed, 970 insertions, 39 deletions

diff --git a/include/ChangeLog b/include/ChangeLog
index b072b52fc..6c0910186 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,7 @@
+2006-09-17  Mei Ligang  <ligang@sunnorth.com.cn>
+
+	* dis-asm.h: Add prototypes for Score disassembler routines.
+
 2006-09-07  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* bfdlink.h (bfd_elf_dynamic_list): New.
diff --git a/include/dis-asm.h b/include/dis-asm.h
index bdbf9f88c..d6f0374b5 100644
--- a/include/dis-asm.h
+++ b/include/dis-asm.h
@@ -1,6 +1,6 @@
 /* Interface between the opcode library and its callers.
 
-   Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005
+   Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
@@ -37,7 +37,8 @@ extern "C" {
 
 typedef int (*fprintf_ftype) (void *, const char*, ...) ATTRIBUTE_FPTR_PRINTF_2;
 
-enum dis_insn_type {
+enum dis_insn_type
+{
   dis_noninsn,			/* Not a valid instruction */
   dis_nonbranch,		/* Not a branch instruction */
   dis_branch,			/* Unconditional branch */
@@ -58,7 +59,8 @@ enum dis_insn_type {
    It must be initialized before it is first passed; this can be done
    by hand, or using one of the initialization macros below.  */
 
-typedef struct disassemble_info {
+typedef struct disassemble_info
+{
   fprintf_ftype fprintf_func;
   void *stream;
   void *application_data;
@@ -201,59 +203,63 @@ typedef struct disassemble_info {
    target address.  Return number of octets processed.  */
 typedef int (*disassembler_ftype) (bfd_vma, disassemble_info *);
 
-extern int print_insn_big_mips		(bfd_vma, disassemble_info *);
-extern int print_insn_little_mips	(bfd_vma, disassemble_info *);
-extern int print_insn_i386		(bfd_vma, disassemble_info *);
-extern int print_insn_i386_att		(bfd_vma, disassemble_info *);
-extern int print_insn_i386_intel	(bfd_vma, disassemble_info *);
-extern int print_insn_ia64		(bfd_vma, disassemble_info *);
-extern int print_insn_i370		(bfd_vma, disassemble_info *);
-extern int print_insn_m68hc11		(bfd_vma, disassemble_info *);
-extern int print_insn_m68hc12		(bfd_vma, disassemble_info *);
-extern int print_insn_m68k		(bfd_vma, disassemble_info *);
-extern int print_insn_z80		(bfd_vma, disassemble_info *);
-extern int print_insn_z8001		(bfd_vma, disassemble_info *);
-extern int print_insn_z8002		(bfd_vma, disassemble_info *);
-extern int print_insn_h8300		(bfd_vma, disassemble_info *);
-extern int print_insn_h8300h		(bfd_vma, disassemble_info *);
-extern int print_insn_h8300s		(bfd_vma, disassemble_info *);
-extern int print_insn_h8500		(bfd_vma, disassemble_info *);
 extern int print_insn_alpha		(bfd_vma, disassemble_info *);
-extern int print_insn_big_arm		(bfd_vma, disassemble_info *);
-extern int print_insn_little_arm	(bfd_vma, disassemble_info *);
-extern int print_insn_sparc		(bfd_vma, disassemble_info *);
 extern int print_insn_avr		(bfd_vma, disassemble_info *);
 extern int print_insn_bfin		(bfd_vma, disassemble_info *);
+extern int print_insn_big_arm		(bfd_vma, disassemble_info *);
+extern int print_insn_big_mips		(bfd_vma, disassemble_info *);
+extern int print_insn_big_or32		(bfd_vma, disassemble_info *);
+extern int print_insn_big_powerpc	(bfd_vma, disassemble_info *);
+extern int print_insn_big_score         (bfd_vma, disassemble_info *);
+extern int print_insn_crx               (bfd_vma, disassemble_info *);
 extern int print_insn_d10v		(bfd_vma, disassemble_info *);
 extern int print_insn_d30v		(bfd_vma, disassemble_info *);
 extern int print_insn_dlx 		(bfd_vma, disassemble_info *);
 extern int print_insn_fr30		(bfd_vma, disassemble_info *);
+extern int print_insn_frv		(bfd_vma, disassemble_info *);
+extern int print_insn_h8300		(bfd_vma, disassemble_info *);
+extern int print_insn_h8300h		(bfd_vma, disassemble_info *);
+extern int print_insn_h8300s		(bfd_vma, disassemble_info *);
+extern int print_insn_h8500		(bfd_vma, disassemble_info *);
 extern int print_insn_hppa		(bfd_vma, disassemble_info *);
+extern int print_insn_i370		(bfd_vma, disassemble_info *);
+extern int print_insn_i386		(bfd_vma, disassemble_info *);
+extern int print_insn_i386_att		(bfd_vma, disassemble_info *);
+extern int print_insn_i386_intel	(bfd_vma, disassemble_info *);
 extern int print_insn_i860		(bfd_vma, disassemble_info *);
 extern int print_insn_i960		(bfd_vma, disassemble_info *);
+extern int print_insn_ia64		(bfd_vma, disassemble_info *);
 extern int print_insn_ip2k		(bfd_vma, disassemble_info *);
+extern int print_insn_iq2000		(bfd_vma, disassemble_info *);
+extern int print_insn_little_arm	(bfd_vma, disassemble_info *);
+extern int print_insn_little_mips	(bfd_vma, disassemble_info *);
+extern int print_insn_little_or32	(bfd_vma, disassemble_info *);
+extern int print_insn_little_powerpc	(bfd_vma, disassemble_info *);
+extern int print_insn_little_score      (bfd_vma, disassemble_info *); 
+extern int print_insn_m32c	        (bfd_vma, disassemble_info *);
 extern int print_insn_m32r		(bfd_vma, disassemble_info *);
+extern int print_insn_m68hc11		(bfd_vma, disassemble_info *);
+extern int print_insn_m68hc12		(bfd_vma, disassemble_info *);
+extern int print_insn_m68k		(bfd_vma, disassemble_info *);
 extern int print_insn_m88k		(bfd_vma, disassemble_info *);
-extern int print_insn_maxq_little	(bfd_vma, disassemble_info *);
 extern int print_insn_maxq_big		(bfd_vma, disassemble_info *);
+extern int print_insn_maxq_little	(bfd_vma, disassemble_info *);
 extern int print_insn_mcore		(bfd_vma, disassemble_info *);
 extern int print_insn_mmix		(bfd_vma, disassemble_info *);
 extern int print_insn_mn10200		(bfd_vma, disassemble_info *);
 extern int print_insn_mn10300		(bfd_vma, disassemble_info *);
-extern int print_insn_mt                (bfd_vma, disassemble_info *);
 extern int print_insn_msp430		(bfd_vma, disassemble_info *);
+extern int print_insn_mt                (bfd_vma, disassemble_info *);
 extern int print_insn_ns32k		(bfd_vma, disassemble_info *);
-extern int print_insn_crx               (bfd_vma, disassemble_info *);
 extern int print_insn_openrisc		(bfd_vma, disassemble_info *);
-extern int print_insn_big_or32		(bfd_vma, disassemble_info *);
-extern int print_insn_little_or32	(bfd_vma, disassemble_info *);
 extern int print_insn_pdp11		(bfd_vma, disassemble_info *);
 extern int print_insn_pj		(bfd_vma, disassemble_info *);
-extern int print_insn_big_powerpc	(bfd_vma, disassemble_info *);
-extern int print_insn_little_powerpc	(bfd_vma, disassemble_info *);
 extern int print_insn_rs6000		(bfd_vma, disassemble_info *);
 extern int print_insn_s390		(bfd_vma, disassemble_info *);
 extern int print_insn_sh		(bfd_vma, disassemble_info *);
+extern int print_insn_sh64		(bfd_vma, disassemble_info *);
+extern int print_insn_sh64x_media	(bfd_vma, disassemble_info *);
+extern int print_insn_sparc		(bfd_vma, disassemble_info *);
 extern int print_insn_tic30		(bfd_vma, disassemble_info *);
 extern int print_insn_tic4x		(bfd_vma, disassemble_info *);
 extern int print_insn_tic54x		(bfd_vma, disassemble_info *);
@@ -261,14 +267,12 @@ extern int print_insn_tic80		(bfd_vma, disassemble_info *);
 extern int print_insn_v850		(bfd_vma, disassemble_info *);
 extern int print_insn_vax		(bfd_vma, disassemble_info *);
 extern int print_insn_w65		(bfd_vma, disassemble_info *);
+extern int print_insn_xc16x		(bfd_vma, disassemble_info *);
 extern int print_insn_xstormy16		(bfd_vma, disassemble_info *);
 extern int print_insn_xtensa		(bfd_vma, disassemble_info *);
-extern int print_insn_sh64		(bfd_vma, disassemble_info *);
-extern int print_insn_sh64x_media	(bfd_vma, disassemble_info *);
-extern int print_insn_frv		(bfd_vma, disassemble_info *);
-extern int print_insn_iq2000		(bfd_vma, disassemble_info *);
-extern int print_insn_xc16x		(bfd_vma, disassemble_info *);
-extern int print_insn_m32c	(bfd_vma, disassemble_info *);
+extern int print_insn_z80		(bfd_vma, disassemble_info *);
+extern int print_insn_z8001		(bfd_vma, disassemble_info *);
+extern int print_insn_z8002		(bfd_vma, disassemble_info *);
 
 extern disassembler_ftype arc_get_disassembler (void *);
 extern disassembler_ftype cris_get_disassembler (bfd *);
@@ -277,9 +281,9 @@ extern void print_mips_disassembler_options (FILE *);
 extern void print_ppc_disassembler_options (FILE *);
 extern void print_arm_disassembler_options (FILE *);
 extern void parse_arm_disassembler_option (char *);
-extern int get_arm_regname_num_options (void);
-extern int set_arm_regname_option (int);
-extern int get_arm_regnames (int, const char **, const char **, const char *const **);
+extern int  get_arm_regname_num_options (void);
+extern int  set_arm_regname_option (int);
+extern int  get_arm_regnames (int, const char **, const char **, const char *const **);
 extern bfd_boolean arm_symbol_is_valid (asymbol *, struct disassemble_info *);
 
 /* Fetch the disassembler for a given BFD, if that support is available.  */
diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index f1c15b52c..c9914d934 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,8 @@
+2006-09-17  Mei Ligang  <ligang@sunnorth.com.cn>
+
+	* score.h: New file.
+	* common.h: Add Score machine number.
+
 2006-07-10  Jakub Jelinek  <jakub@redhat.com>
 
 	* common.h (SHT_GNU_HASH, DT_GNU_HASH): Define.
diff --git a/include/elf/common.h b/include/elf/common.h
index 0380a8fd7..f041ecb87 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -185,6 +185,7 @@
 #define EM_BLACKFIN	106	/* ADI Blackfin */
 #define EM_ALTERA_NIOS2	113	/* Altera Nios II soft-core processor */
 #define EM_CRX		114	/* National Semiconductor CRX */
+#define EM_SCORE        135     /* Sunplus Score */ 
 
 /* If it is necessary to assign new unofficial EM_* values, please pick large
    random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision
diff --git a/include/elf/score.h b/include/elf/score.h
new file mode 100644
index 000000000..8eb69a788
--- /dev/null
+++ b/include/elf/score.h
@@ -0,0 +1,124 @@
+/* Score ELF support for BFD.
+   Copyright 2006 Free Software Foundation, Inc.
+   Contributed by 
+   Mei Ligang (ligang@sunnorth.com.cn)
+   Pei-Lin Tsai (pltsai@sunplus.com)
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   This program 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 2 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program; if not, write to the Free Software Foundation,
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+#ifndef _ELF_SCORE_H
+#define _ELF_SCORE_H
+
+#include "elf/reloc-macros.h"
+
+#define SCORE_SIMULATOR_ACTIVE  1
+#define OPC_PTMASK              0xc0000000      /* Parity-bit Mask */
+#define OPC16_PTMASK		0x00008000
+/* The parity-bit denotes.  */
+#define OPC_32                  0xc0000000      /* denotes 32b instruction, (default) */
+#define OPC_16                  0x00000000      /* denotes 16b instruction  */
+#define OPC_PE                  0x8000          /* denotes parallel-execution instructions  */
+#define EF_SCORE_HASENTRY       0x02
+#define GP_DISP_LABEL           "_gp_disp"
+
+/* Processor specific flags for the ELF header e_flags field.  */
+
+/* Fix data dependency.  */
+#define EF_SCORE_FIXDEP         0x00000001
+
+/* File contains position independent code.  */
+#define EF_SCORE_PIC		0x00000002
+
+/* Defined and allocated common symbol.  Value is virtual address.  If
+   relocated, alignment must be preserved.  */
+#define SHN_SCORE_TEXT		0xff01
+#define SHN_SCORE_DATA		0xff02
+/* Small common symbol.  */
+#define SHN_SCORE_SCOMMON	0xff03
+
+/* Processor specific section flags.  */
+
+/* This section must be in the global data area.  */
+#define SHF_SCORE_GPREL		0x10000000
+
+/* This section should be merged.  */
+#define SHF_SCORE_MERGE		0x20000000
+
+/* This section contains address data of size implied by section
+   element size.  */
+#define SHF_SCORE_ADDR		0x40000000
+
+/* This section contains string data.  */
+#define SHF_SCORE_STRING		0x80000000
+
+/* This section may not be stripped.  */
+#define SHF_SCORE_NOSTRIP	0x08000000
+
+/* This section is local to threads.  */
+#define SHF_SCORE_LOCAL		0x04000000
+
+/* Linker should generate implicit weak names for this section.  */
+#define SHF_SCORE_NAMES		0x02000000
+
+/* Section contais text/data which may be replicated in other sections.
+   Linker should retain only one copy.  */
+#define SHF_SCORE_NODUPES	0x01000000
+
+/* Processor specific dynamic array tags.  */
+
+/* Base address of the segment.  */
+#define DT_SCORE_BASE_ADDRESS	0x70000001
+/* Number of local global offset table entries.  */
+#define DT_SCORE_LOCAL_GOTNO	0x70000002
+/* Number of entries in the .dynsym section.  */
+#define DT_SCORE_SYMTABNO	0x70000003
+/* Index of first dynamic symbol in global offset table.  */
+#define DT_SCORE_GOTSYM		0x70000004
+/* Index of first external dynamic symbol not referenced locally.  */
+#define DT_SCORE_UNREFEXTNO	0x70000005
+/* Number of page table entries in global offset table.  */
+#define DT_SCORE_HIPAGENO	0x70000006
+
+
+/* Processor specific section types.  */
+
+
+/* Relocation types.  */
+START_RELOC_NUMBERS (elf_score_reloc_type)
+  RELOC_NUMBER (R_SCORE_NONE,           0)
+  RELOC_NUMBER (R_SCORE_HI16,           1)   
+  RELOC_NUMBER (R_SCORE_LO16,           2)   
+  RELOC_NUMBER (R_SCORE_DUMMY1,         3)
+  RELOC_NUMBER (R_SCORE_24,             4)   
+  RELOC_NUMBER (R_SCORE_PC19,           5)  
+  RELOC_NUMBER (R_SCORE16_11,           6)   
+  RELOC_NUMBER (R_SCORE16_PC8,          7)  
+  RELOC_NUMBER (R_SCORE_ABS32,          8)
+  RELOC_NUMBER (R_SCORE_ABS16,          9)
+  RELOC_NUMBER (R_SCORE_DUMMY2,         10)
+  RELOC_NUMBER (R_SCORE_GP15,           11)
+  RELOC_NUMBER (R_SCORE_GNU_VTINHERIT,  12)
+  RELOC_NUMBER (R_SCORE_GNU_VTENTRY,    13)
+  RELOC_NUMBER (R_SCORE_GOT15,          14)
+  RELOC_NUMBER (R_SCORE_GOT_LO16,       15)
+  RELOC_NUMBER (R_SCORE_CALL15,         16)
+  RELOC_NUMBER (R_SCORE_GPREL32,        17)
+  RELOC_NUMBER (R_SCORE_REL32,          18)
+  RELOC_NUMBER (R_SCORE_DUMMY_HI16,     19)
+END_RELOC_NUMBERS (R_SCORE_max)
+
+#endif /* _ELF_SCORE_H */
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 51705145e..26df6fe58 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,8 @@
+2006-09-17  Mei Ligang  <ligang@sunnorth.com.cn>
+
+	* score-datadep.h: New file.
+	* score-inst.h: New file.
+
 2006-07-14  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* i386.h (i386_optab): Remove InvMem from maskmovq, movhlps,
diff --git a/include/opcode/score-datadep.h b/include/opcode/score-datadep.h
new file mode 100644
index 000000000..8ef35adc8
--- /dev/null
+++ b/include/opcode/score-datadep.h
@@ -0,0 +1,282 @@
+/* score-datadep.h -- Score Instructions data dependency table
+   Copyright 2006 Free Software Foundation, Inc.
+   Contributed by: 
+   Mei Ligang (ligang@sunnorth.com.cn)
+   Pei-Lin Tsai (pltsai@sunplus.com)
+
+   This file is part of GAS, the GNU Assembler.
+
+   GAS 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 2, or (at your option)
+   any later version.
+
+   GAS 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 GAS; see the file COPYING.  If not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
+
+#ifndef SCORE_DATA_DEPENDENCY_H
+#define SCORE_DATA_DEPENDENCY_H
+
+#define INSN_NAME_LEN 16
+
+enum insn_type_for_dependency
+{
+  D_pce,
+  D_cond_br,
+  D_cond_mv,
+  D_cached,
+  D_cachei,
+  D_ldst,
+  D_ldcombine,
+  D_mtcr,
+  D_mfcr,
+  D_mfsr,
+  D_mftlb,
+  D_mtptlb,
+  D_mtrtlb,
+  D_stlb,
+  D_all_insn
+};
+
+struct insn_to_dependency
+{
+  char *insn_name;
+  enum insn_type_for_dependency type;
+};
+
+struct data_dependency
+{
+  enum insn_type_for_dependency pre_insn_type;
+  char pre_reg[6];
+  enum insn_type_for_dependency cur_insn_type;
+  char cur_reg[6];
+  int bubblenum_7;
+  int bubblenum_5;
+  int warn_or_error;           /* warning - 0; error - 1  */
+};
+
+static const struct insn_to_dependency insn_to_dependency_table[] =
+{
+  /* pce instruction.  */
+  {"pce",       D_pce},
+  /* conditional branch instruction.  */
+  {"bcs",       D_cond_br},
+  {"bcc",       D_cond_br},
+  {"bgtu",      D_cond_br},
+  {"bleu",      D_cond_br},
+  {"beq",       D_cond_br},
+  {"bne",       D_cond_br},
+  {"bgt",       D_cond_br},
+  {"ble",       D_cond_br},
+  {"bge",       D_cond_br},
+  {"blt",       D_cond_br},
+  {"bmi",       D_cond_br},
+  {"bpl",       D_cond_br},
+  {"bvs",       D_cond_br},
+  {"bvc",       D_cond_br},
+  {"bcsl",      D_cond_br},
+  {"bccl",      D_cond_br},
+  {"bgtul",     D_cond_br},
+  {"bleul",     D_cond_br},
+  {"beql",      D_cond_br},
+  {"bnel",      D_cond_br},
+  {"bgtl",      D_cond_br},
+  {"blel",      D_cond_br},
+  {"bgel",      D_cond_br},
+  {"bltl",      D_cond_br},
+  {"bmil",      D_cond_br},
+  {"bpll",      D_cond_br},
+  {"bvsl",      D_cond_br},
+  {"bvcl",      D_cond_br},
+  {"bcs!",      D_cond_br},
+  {"bcc!",      D_cond_br},
+  {"bgtu!",     D_cond_br},
+  {"bleu!",     D_cond_br},
+  {"beq!",      D_cond_br},
+  {"bne!",      D_cond_br},
+  {"bgt!",      D_cond_br},
+  {"ble!",      D_cond_br},
+  {"bge!",      D_cond_br},
+  {"blt!",      D_cond_br},
+  {"bmi!",      D_cond_br},
+  {"bpl!",      D_cond_br},
+  {"bvs!",      D_cond_br},
+  {"bvc!",      D_cond_br},
+  {"brcs",      D_cond_br},
+  {"brcc",      D_cond_br},
+  {"brgtu",     D_cond_br},
+  {"brleu",     D_cond_br},
+  {"breq",      D_cond_br},
+  {"brne",      D_cond_br},
+  {"brgt",      D_cond_br},
+  {"brle",      D_cond_br},
+  {"brge",      D_cond_br},
+  {"brlt",      D_cond_br},
+  {"brmi",      D_cond_br},
+  {"brpl",      D_cond_br},
+  {"brvs",      D_cond_br},
+  {"brvc",      D_cond_br},
+  {"brcsl",     D_cond_br},
+  {"brccl",     D_cond_br},
+  {"brgtul",    D_cond_br},
+  {"brleul",    D_cond_br},
+  {"breql",     D_cond_br},
+  {"brnel",     D_cond_br},
+  {"brgtl",     D_cond_br},
+  {"brlel",     D_cond_br},
+  {"brgel",     D_cond_br},
+  {"brltl",     D_cond_br},
+  {"brmil",     D_cond_br},
+  {"brpll",     D_cond_br},
+  {"brvsl",     D_cond_br},
+  {"brvcl",     D_cond_br},
+  {"brcs!",     D_cond_br},
+  {"brcc!",     D_cond_br},
+  {"brgtu!",    D_cond_br},
+  {"brleu!",    D_cond_br},
+  {"breq!",     D_cond_br},
+  {"brne!",     D_cond_br},
+  {"brgt!",     D_cond_br},
+  {"brle!",     D_cond_br},
+  {"brge!",     D_cond_br},
+  {"brlt!",     D_cond_br},
+  {"brmi!",     D_cond_br},
+  {"brpl!",     D_cond_br},
+  {"brvs!",     D_cond_br},
+  {"brvc!",     D_cond_br},
+  {"brcsl!",    D_cond_br},
+  {"brccl!",    D_cond_br},
+  {"brgtul!",   D_cond_br},
+  {"brleul!",   D_cond_br},
+  {"breql!",    D_cond_br},
+  {"brnel!",    D_cond_br},
+  {"brgtl!",    D_cond_br},
+  {"brlel!",    D_cond_br},
+  {"brgel!",    D_cond_br},
+  {"brltl!",    D_cond_br},
+  {"brmil!",    D_cond_br},
+  {"brpll!",    D_cond_br},
+  {"brvsl!",    D_cond_br},
+  {"brvcl!",    D_cond_br},
+  /* conditional move instruction.  */
+  {"mvcs",      D_cond_mv},
+  {"mvcc",      D_cond_mv},
+  {"mvgtu",     D_cond_mv},
+  {"mvleu",     D_cond_mv},
+  {"mveq",      D_cond_mv},
+  {"mvne",      D_cond_mv},
+  {"mvgt",      D_cond_mv},
+  {"mvle",      D_cond_mv},
+  {"mvge",      D_cond_mv},
+  {"mvlt",      D_cond_mv},
+  {"mvmi",      D_cond_mv},
+  {"mvpl",      D_cond_mv},
+  {"mvvs",      D_cond_mv},
+  {"mvvc",      D_cond_mv},
+  /* move spectial instruction.  */
+  {"mtcr",      D_mtcr},
+  {"mftlb",     D_mftlb},
+  {"mtptlb",    D_mtptlb},
+  {"mtrtlb",    D_mtrtlb},
+  {"stlb",      D_stlb},
+  {"mfcr",      D_mfcr},
+  {"mfsr",      D_mfsr},
+  /* cache instruction.  */
+  {"cache 8",   D_cached},
+  {"cache 9",   D_cached},
+  {"cache 10",  D_cached},
+  {"cache 11",  D_cached},
+  {"cache 12",  D_cached},
+  {"cache 13",  D_cached},
+  {"cache 14",  D_cached},
+  {"cache 24",  D_cached},
+  {"cache 26",  D_cached},
+  {"cache 27",  D_cached},
+  {"cache 29",  D_cached},
+  {"cache 30",  D_cached},
+  {"cache 31",  D_cached},
+  {"cache 0",   D_cachei},
+  {"cache 1",   D_cachei},
+  {"cache 2",   D_cachei},
+  {"cache 3",   D_cachei},
+  {"cache 4",   D_cachei},
+  {"cache 16",  D_cachei},
+  {"cache 17",  D_cachei},
+  /* load/store instruction.  */
+  {"lb",        D_ldst},
+  {"lbu",       D_ldst},
+  {"lbu!",      D_ldst},
+  {"lbup!",     D_ldst},
+  {"lh",        D_ldst},
+  {"lhu",       D_ldst},
+  {"lh!",       D_ldst},
+  {"lhp!",      D_ldst},
+  {"lw",        D_ldst},
+  {"lw!",       D_ldst},
+  {"lwp!",      D_ldst},
+  {"sb",        D_ldst},
+  {"sb!",       D_ldst},
+  {"sbp!",      D_ldst},
+  {"sh",        D_ldst},
+  {"sh!",       D_ldst},
+  {"shp!",      D_ldst},
+  {"sw",        D_ldst},
+  {"sw!",       D_ldst},
+  {"swp!",      D_ldst},
+  {"alw",       D_ldst},
+  {"asw",       D_ldst},
+  {"push!",     D_ldst},
+  {"pushhi!",   D_ldst},
+  {"pop!",      D_ldst},
+  {"pophi!",    D_ldst},
+  {"ldc1",      D_ldst},
+  {"ldc2",      D_ldst},
+  {"ldc3",      D_ldst},
+  {"stc1",      D_ldst},
+  {"stc2",      D_ldst},
+  {"stc3",      D_ldst},
+  {"scb",       D_ldst},
+  {"scw",       D_ldst},
+  {"sce",       D_ldst},
+  /* load combine instruction.  */
+  {"lcb",       D_ldcombine},
+  {"lcw",       D_ldcombine},
+  {"lce",       D_ldcombine},
+};
+
+static const struct data_dependency data_dependency_table[] =
+{
+  /* Condition register.  */
+  {D_mtcr, "cr1", D_pce, "", 2, 1, 1},
+  {D_mtcr, "cr1", D_cond_br, "", 1, 0, 1},
+  {D_mtcr, "cr1", D_cond_mv, "", 1, 0, 1},
+  /* Status regiser.  */
+  {D_mtcr, "cr0", D_all_insn, "", 5, 4, 0},
+  /* CCR regiser.  */
+  {D_mtcr, "cr4", D_all_insn, "", 6, 5, 0},
+  /* EntryHi/EntryLo register.  */
+  {D_mftlb, "", D_mtptlb, "", 1, 1, 1},
+  {D_mftlb, "", D_mtrtlb, "", 1, 1, 1},
+  {D_mftlb, "", D_stlb, "", 1, 1,1},
+  {D_mftlb, "", D_mfcr, "cr11", 1, 1, 1},
+  {D_mftlb, "", D_mfcr, "cr12", 1, 1, 1},
+  /* Index register.  */
+  {D_stlb, "", D_mtptlb, "", 1, 1, 1},
+  {D_stlb, "", D_mftlb, "", 1, 1, 1},
+  {D_stlb, "", D_mfcr, "cr8", 2, 2, 1},
+  /* Cache.  */
+  {D_cached, "", D_ldst, "", 1, 1, 0},
+  {D_cached, "", D_ldcombine, "", 1, 1, 0},
+  {D_cachei, "", D_all_insn, "", 5, 4, 0},
+  /* Load combine.  */
+  {D_ldcombine, "", D_mfsr, "sr1", 3, 3, 1},
+};
+
+#endif
diff --git a/include/opcode/score-inst.h b/include/opcode/score-inst.h
new file mode 100644
index 000000000..56ceca4e6
--- /dev/null
+++ b/include/opcode/score-inst.h
@@ -0,0 +1,506 @@
+/* score-inst.h -- Score Instructions Table
+   Copyright 2006 Free Software Foundation, Inc.
+   Contributed by: 
+   Mei Ligang (ligang@sunnorth.com.cn)
+   Pei-Lin Tsai (pltsai@sunplus.com)
+
+   This file is part of GAS, the GNU Assembler.
+
+   GAS 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 2, or (at your option)
+   any later version.
+
+   GAS 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 GAS; see the file COPYING.  If not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+#ifndef SCORE_INST_H
+#define SCORE_INST_H
+
+#define LDST_UNALIGN_MASK 0x0000007f
+#define UA_LCB		  0x00000060
+#define UA_LCW		  0x00000062
+#define UA_LCE		  0x00000066
+#define UA_SCB		  0x00000068
+#define UA_SCW		  0x0000006a
+#define UA_SCE		  0x0000006e
+#define UA_LL		  0x0000000c
+#define UA_SC		  0x0000000e
+#define LDST16_RR_MASK   0x0000000f
+#define N16_LW           8
+#define N16_LH           9
+#define N16_POP          10
+#define N16_LBU          11
+#define N16_SW           12
+#define N16_SH           13
+#define N16_PUSH         14
+#define N16_SB           15
+#define LDST16_RI_MASK   0x7007
+#define N16_LWP          0x7000
+#define N16_LHP          0x7001
+#define N16_LBUP         0x7003
+#define N16_SWP          0x7004
+#define N16_SHP          0x7005
+#define N16_SBP          0x7007
+#define N16_LIU          0x5000
+
+#define OPC_PSEUDOLDST_MASK	0x00000007
+
+enum
+{
+  INSN_LW = 0,
+  INSN_LH = 1,
+  INSN_LHU = 2,
+  INSN_LB = 3,
+  INSN_SW = 4,
+  INSN_SH = 5,
+  INSN_LBU = 6,
+  INSN_SB = 7,
+};
+
+/* Sub opcdoe opcode.  */
+enum
+{
+  INSN16_LBU = 11,
+  INSN16_LH = 9,
+  INSN16_LW = 8,
+  INSN16_SB = 15,
+  INSN16_SH = 13,
+  INSN16_SW = 12,
+};
+
+enum
+{
+  LDST_NOUPDATE = 0,
+  LDST_PRE = 1,
+  LDST_POST = 2,
+};
+
+enum score_insn_type
+{
+  Rd_I4,
+  Rd_I5,
+  Rd_rvalueBP_I5,
+  Rd_lvalueBP_I5,
+  Rd_Rs_I5,
+  x_Rs_I5,
+  x_I5_x,
+  Rd_I8,
+  Rd_Rs_I14,
+  I15,
+  Rd_I16,
+  Rd_rvalueRs_SI10,
+  Rd_lvalueRs_SI10,
+  Rd_rvalueRs_preSI12,
+  Rd_rvalueRs_postSI12,
+  Rd_lvalueRs_preSI12,
+  Rd_lvalueRs_postSI12,
+  Rd_Rs_SI14,
+  Rd_rvalueRs_SI15,
+  Rd_lvalueRs_SI15,
+  Rd_SI16,
+  PC_DISP8div2,
+  PC_DISP11div2,
+  PC_DISP19div2,
+  PC_DISP24div2,
+  Rd_Rs_Rs,
+  x_Rs_x,
+  x_Rs_Rs,
+  Rd_Rs_x,
+  Rd_x_Rs,
+  Rd_x_x,
+  Rd_Rs,
+  Rd_HighRs,
+  Rd_lvalueRs,
+  Rd_rvalueRs,
+  Rd_lvalue32Rs,
+  Rd_rvalue32Rs,
+  x_Rs,
+  NO_OPD,
+  NO16_OPD,
+  OP5_rvalueRs_SI15,
+  I5_Rs_Rs_I5_OP5,
+  x_rvalueRs_post4,
+  Rd_rvalueRs_post4,
+  Rd_x_I5,
+  Rd_lvalueRs_post4,
+  x_lvalueRs_post4,
+  Rd_LowRs,
+  Rd_Rs_Rs_imm,
+  Insn_Type_PCE,
+  Insn_Type_SYN,
+  Insn_GP,
+  Insn_PIC,
+};
+
+enum score_data_type
+{
+  _IMM4 = 0,
+  _IMM5,
+  _IMM8,
+  _IMM14,
+  _IMM15,
+  _IMM16,
+  _SIMM10 = 6,
+  _SIMM12,
+  _SIMM14,
+  _SIMM15,
+  _SIMM16,
+  _SIMM14_NEG = 11,
+  _IMM16_NEG,
+  _SIMM16_NEG,
+  _IMM20,
+  _IMM25,
+  _DISP8div2 = 16,
+  _DISP11div2,
+  _DISP19div2,
+  _DISP24div2,
+  _VALUE,
+  _VALUE_HI16,
+  _VALUE_LO16,
+  _VALUE_LDST_LO16 = 23,
+  _SIMM16_LA,
+  _IMM5_RSHIFT_1,
+  _IMM5_RSHIFT_2,
+  _SIMM16_LA_POS,
+  _IMM5_RANGE_8_31,
+  _IMM10_RSHIFT_2,
+  _GP_IMM15 = 30,
+  _GP_IMM14 = 31,
+  _SIMM16_pic = 42,   /* Index in score_df_range.  */
+  _IMM16_LO16_pic = 43,
+  _IMM16_pic = 44,
+};
+
+#define REG_TMP			  1
+
+#define OP_REG_TYPE             (1 << 6)
+#define OP_IMM_TYPE             (1 << 7)
+#define OP_SH_REGD              (OP_REG_TYPE |20)
+#define	OP_SH_REGS1             (OP_REG_TYPE |15)
+#define OP_SH_REGS2             (OP_REG_TYPE |10)
+#define OP_SH_I                 (OP_IMM_TYPE | 1)
+#define OP_SH_RI15              (OP_IMM_TYPE | 0)
+#define OP_SH_I12               (OP_IMM_TYPE | 3)
+#define OP_SH_DISP24            (OP_IMM_TYPE | 1)
+#define OP_SH_DISP19_p1         (OP_IMM_TYPE |15)
+#define OP_SH_DISP19_p2         (OP_IMM_TYPE | 1)
+#define OP_SH_I5                (OP_IMM_TYPE |10)
+#define OP_SH_I10               (OP_IMM_TYPE | 5)
+#define OP_SH_COPID             (OP_IMM_TYPE | 5)
+#define OP_SH_TRAPI5            (OP_IMM_TYPE |15)
+#define OP_SH_I15               (OP_IMM_TYPE |10)
+
+#define OP16_SH_REGD            (OP_REG_TYPE | 8)
+#define	OP16_SH_REGS1           (OP_REG_TYPE | 4)
+#define	OP16_SH_I45             (OP_IMM_TYPE | 3)
+#define	OP16_SH_I8              (OP_IMM_TYPE | 0)
+#define OP16_SH_DISP8           (OP_IMM_TYPE | 0)
+#define OP16_SH_DISP11          (OP_IMM_TYPE | 1)
+
+struct datafield_range
+{
+  int data_type;
+  int bits;
+  int range[2];
+};
+
+struct datafield_range score_df_range[] =
+{
+  {_IMM4,             4,  {0, (1 << 4) - 1}},	        /* (     0 ~ 15   ) */
+  {_IMM5,             5,  {0, (1 << 5) - 1}},	        /* (     0 ~ 31   ) */
+  {_IMM8,             8,  {0, (1 << 8) - 1}},	        /* (     0 ~ 255  ) */
+  {_IMM14,            14, {0, (1 << 14) - 1}},	        /* (     0 ~ 16383) */
+  {_IMM15,            15, {0, (1 << 15) - 1}},	        /* (     0 ~ 32767) */
+  {_IMM16,            16, {0, (1 << 16) - 1}},	        /* (     0 ~ 65535) */
+  {_SIMM10,           10, {-(1 << 9), (1 << 9) - 1}},	/* (  -512 ~ 511  ) */
+  {_SIMM12,           12, {-(1 << 11), (1 << 11) - 1}},	/* ( -2048 ~ 2047 ) */
+  {_SIMM14,           14, {-(1 << 13), (1 << 13) - 1}},	/* ( -8192 ~ 8191 ) */
+  {_SIMM15,           15, {-(1 << 14), (1 << 14) - 1}},	/* (-16384 ~ 16383) */
+  {_SIMM16,           16, {-(1 << 15), (1 << 15) - 1}},	/* (-32768 ~ 32767) */
+  {_SIMM14_NEG,       14, {-(1 << 13), (1 << 13) - 1}},	/* ( -8191 ~ 8192 ) */
+  {_IMM16_NEG,        16, {0, (1 << 16) - 1}},	        /* (-65535 ~ 0    ) */
+  {_SIMM16_NEG,       16, {-(1 << 15), (1 << 15) - 1}},	/* (-32768 ~ 32767) */
+  {_IMM20,            20, {0, (1 << 20) - 1}},
+  {_IMM25,            25, {0, (1 << 25) - 1}},
+  {_DISP8div2,        8,  {-(1 << 8), (1 << 8) - 1}},	/* (  -256 ~ 255  ) */
+  {_DISP11div2,       11, {0, 0}},
+  {_DISP19div2,       19, {-(1 << 19), (1 << 19) - 1}},	/* (-524288 ~ 524287) */
+  {_DISP24div2,       24, {0, 0}},
+  {_VALUE,            32, {0, ((unsigned int)1 << 31) - 1}},
+  {_VALUE_HI16,       16, {0, (1 << 16) - 1}},
+  {_VALUE_LO16,       16, {0, (1 << 16) - 1}},
+  {_VALUE_LDST_LO16,  16, {0, (1 << 16) - 1}},
+  {_SIMM16_LA,        16, {-(1 << 15), (1 << 15) - 1}},	/* (-32768 ~ 32767) */
+  {_IMM5_RSHIFT_1,    5,  {0, (1 << 6) - 1}},	        /* (     0 ~ 63   ) */
+  {_IMM5_RSHIFT_2,    5,  {0, (1 << 7) - 1}},	        /* (     0 ~ 127  ) */
+  {_SIMM16_LA_POS,    16, {0, (1 << 15) - 1}},	        /* (     0 ~ 32767) */
+  {_IMM5_RANGE_8_31,  5,  {8, 31}},	                /* But for cop0 the valid data : (8 ~ 31). */
+  {_IMM10_RSHIFT_2,   10, {-(1 << 11), (1 << 11) - 1}},	/* For ldc#, stc#. */
+  {_SIMM10,           10, {0, (1 << 10) - 1}},	        /* ( -1024 ~ 1023 ) */
+  {_SIMM12,           12, {0, (1 << 12) - 1}},	        /* ( -2048 ~ 2047 ) */
+  {_SIMM14,           14, {0, (1 << 14) - 1}},          /* ( -8192 ~ 8191 ) */
+  {_SIMM15,           15, {0, (1 << 15) - 1}},	        /* (-16384 ~ 16383) */
+  {_SIMM16,           16, {0, (1 << 16) - 1}},	        /* (-65536 ~ 65536) */
+  {_SIMM14_NEG,       14, {0, (1 << 16) - 1}},          /* ( -8191 ~ 8192 ) */
+  {_IMM16_NEG,        16, {0, (1 << 16) - 1}},	        /* ( 65535 ~ 0    ) */
+  {_SIMM16_NEG,       16, {0, (1 << 16) - 1}},	        /* ( 65535 ~ 0    ) */
+  {_IMM20,            20, {0, (1 << 20) - 1}},	        /* (-32768 ~ 32767) */
+  {_IMM25,            25, {0, (1 << 25) - 1}},	        /* (-32768 ~ 32767) */
+  {_GP_IMM15,         15, {0, (1 << 15) - 1}},	        /* (     0 ~ 65535) */
+  {_GP_IMM14,         14, {0, (1 << 14) - 1}},	        /* (     0 ~ 65535) */
+  {_SIMM16_pic,       16, {-(1 << 15), (1 << 15) - 1}},	/* (-32768 ~ 32767) */
+  {_IMM16_LO16_pic,   16, {0, (1 << 16) - 1}},	        /* ( 65535 ~ 0    ) */
+  {_IMM16_pic,        16, {0, (1 << 16) - 1}},	        /* (     0 ~ 65535) */
+};
+
+struct shift_bitmask
+{
+  int opd_type;
+  int opd_num;
+  struct datafield_range *df_range;
+  int sh[4];
+  long fieldbits[4];
+};
+
+struct shift_bitmask score_sh_bits_map[] =
+{
+  {
+   Rd_I4, 2, &score_df_range[_IMM4],
+   {OP16_SH_REGD, OP16_SH_I45, 0, 0},
+   {0xf, 0xf, 0, 0},
+   },
+  {
+   Rd_I5, 2, &score_df_range[_IMM5],
+   {OP16_SH_REGD, OP16_SH_I45, 0, 0},
+   {0xf, 0x1f, 0, 0},
+   },
+  {
+   Rd_rvalueBP_I5, 2, &score_df_range[_IMM5],
+   {OP16_SH_REGD, OP16_SH_I45, 0, 0},
+   {0xf, 0x1f, 0, 0},
+   },
+  {
+   Rd_lvalueBP_I5, 2, &score_df_range[_IMM5],
+   {OP16_SH_REGD, OP16_SH_I45, 0, 0},
+   {0xf, 0x1f, 0, 0},
+   },
+  {
+   Rd_Rs_I5, 3, &score_df_range[_IMM5],
+   {OP_SH_REGD, OP_SH_REGS1, OP_SH_I5, 0},
+   {0x1f, 0x1f, 0x1f, 0},
+   },
+  {
+   x_Rs_I5, 2, &score_df_range[_IMM5],
+   {OP_SH_REGS1, OP_SH_I5, 0, 0},
+   {0x1f, 0x1f, 0, 0},
+   },
+  {
+   x_I5_x, 1, &score_df_range[_IMM5],
+   {OP_SH_TRAPI5, 0, 0, 0},
+   {0x1f, 0, 0, 0},
+   },
+  {
+   Rd_I8, 2, &score_df_range[_IMM8],
+   {OP16_SH_REGD, OP16_SH_I8, 0, 0},
+   {0xf, 0xff, 0, 0},
+   },
+  {
+   Rd_Rs_I14, 3, &score_df_range[_IMM14],
+   {OP_SH_REGD, OP_SH_REGS1, OP_SH_I, 0},
+   {0x1f, 0x1f, 0x3fff, 0},
+   },
+  {
+   I15, 1, &score_df_range[_IMM15],
+   {OP_SH_I15, 0, 0, 0},
+   {0x7fff, 0, 0, 0},
+   },
+  {
+   Rd_I16, 2, &score_df_range[_IMM16],
+   {OP_SH_REGD, OP_SH_I, 0, 0},
+   {0x1f, 0xffff, 0, 0},
+   },
+  {
+   Rd_rvalueRs_SI10, 3, &score_df_range[_SIMM10],
+   {OP_SH_REGD, OP_SH_REGS1, OP_SH_I10, 0},
+   {0x1f, 0x1f, 0x3ff, 0},
+   },
+  {
+   Rd_lvalueRs_SI10, 3, &score_df_range[_SIMM10],
+   {OP_SH_REGD, OP_SH_REGS1, OP_SH_I10, 0},
+   {0x1f, 0x1f, 0x3ff, 0},
+   },
+  {
+   Rd_rvalueRs_preSI12, 3, &score_df_range[_SIMM12],
+   {OP_SH_REGD, OP_SH_REGS1, OP_SH_I12, 0},
+   {0xf, 0xf, 0xfff, 0},
+   },
+  {
+   Rd_rvalueRs_postSI12, 3, &score_df_range[_SIMM12],
+   {OP_SH_REGD, OP_SH_REGS1, OP_SH_I12, 0},
+   {0xf, 0xf, 0xfff, 0},
+   },
+  {
+   Rd_lvalueRs_preSI12, 3, &score_df_range[_SIMM12],
+   {OP_SH_REGD, OP_SH_REGS1, OP_SH_I12, 0},
+   {0xf, 0xf, 0xfff, 0},
+   },
+  {
+   Rd_lvalueRs_postSI12, 3, &score_df_range[_SIMM12],
+   {OP_SH_REGD, OP_SH_REGS1, OP_SH_I12, 0},
+   {0xf, 0xf, 0xfff, 0},
+   },
+  {
+   Rd_Rs_SI14, 3, &score_df_range[_SIMM14],
+   {OP_SH_REGD, OP_SH_REGS1, OP_SH_I, 0},
+   {0x1f, 0x1f, 0x3fff, 0},
+   },
+  {
+   Rd_rvalueRs_SI15, 3, &score_df_range[_SIMM15],
+   {OP_SH_REGD, OP_SH_REGS1, OP_SH_RI15, 0},
+   {0x1f, 0x1f, 0x7fff, 0},
+   },
+  {
+   Rd_lvalueRs_SI15, 3, &score_df_range[_SIMM15],
+   {OP_SH_REGD, OP_SH_REGS1, OP_SH_RI15, 0},
+   {0x1f, 0x1f, 0x7fff, 0},
+   },
+  {
+   Rd_SI16, 2, &score_df_range[_SIMM16],
+   {OP_SH_REGD, OP_SH_I, 0, 0},
+   {0x1f, 0xffff, 0, 0},
+   },
+  {
+   PC_DISP8div2, 1, &score_df_range[_DISP8div2],
+   {OP16_SH_DISP8, 0, 0, 0},
+   {0xff, 0, 0, 0},
+   },
+  {
+   PC_DISP11div2, 1, &score_df_range[_DISP11div2],
+   {OP16_SH_DISP11, 0, 0, 0},
+   {0x7ff, 0, 0, 0},
+   },
+  {
+   PC_DISP19div2, 2, &score_df_range[_DISP19div2],
+   {OP_SH_DISP19_p1, OP_SH_DISP19_p2, 0, 0},
+   {0x3ff, 0x1ff, 0, 0},
+   },
+  {
+   PC_DISP24div2, 1, &score_df_range[_DISP24div2],
+   {OP_SH_DISP24, 0, 0, 0},
+   {0xffffff, 0, 0, 0},
+   },
+  {
+   Rd_Rs_Rs, 3, NULL,
+   {OP_SH_REGD, OP_SH_REGS1, OP_SH_REGS2, 0},
+   {0x1f, 0x1f, 0x1f, 0}
+   },
+  {
+   Rd_Rs_x, 2, NULL,
+   {OP_SH_REGD, OP_SH_REGS1, 0, 0},
+   {0x1f, 0x1f, 0, 0},
+   },
+  {
+   Rd_x_Rs, 2, NULL,
+   {OP_SH_REGD, OP_SH_REGS2, 0, 0},
+   {0x1f, 0x1f, 0, 0},
+   },
+  {
+   Rd_x_x, 1, NULL,
+   {OP_SH_REGD, 0, 0, 0},
+   {0x1f, 0, 0, 0},
+   },
+  {
+   x_Rs_Rs, 2, NULL,
+   {OP_SH_REGS1, OP_SH_REGS2, 0, 0},
+   {0x1f, 0x1f, 0, 0},
+   },
+  {
+   x_Rs_x, 1, NULL,
+   {OP_SH_REGS1, 0, 0, 0},
+   {0x1f, 0, 0, 0},
+   },
+  {
+   Rd_Rs, 2, NULL,
+   {OP16_SH_REGD, OP16_SH_REGS1, 0, 0},
+   {0xf, 0xf, 0, 0},
+   },
+  {
+   Rd_HighRs, 2, NULL,
+   {OP16_SH_REGD, OP16_SH_REGS1, 0, 0},
+   {0xf, 0xf, 0x1f, 0},
+   },
+  {
+   Rd_rvalueRs, 2, NULL,
+   {OP16_SH_REGD, OP16_SH_REGS1, 0, 0},
+   {0xf, 0xf, 0, 0},
+   },
+  {
+   Rd_lvalueRs, 2, NULL,
+   {OP16_SH_REGD, OP16_SH_REGS1, 0, 0},
+   {0xf, 0xf, 0, 0}
+   },
+   {
+   Rd_lvalue32Rs, 2, NULL,
+   {OP_SH_REGD, OP_SH_REGS1, 0, 0},
+   {0x1f, 0x1f, 0, 0},
+   },
+   {
+   Rd_rvalue32Rs, 2, NULL,
+   {OP_SH_REGD, OP_SH_REGS1, 0, 0},
+   {0x1f, 0x1f, 0, 0},
+   },
+  {
+   x_Rs, 1, NULL,
+   {OP16_SH_REGS1, 0, 0, 0},
+   {0xf, 0, 0, 0},
+   },
+  {
+   NO_OPD, 0, NULL,
+   {0, 0, 0, 0},
+   {0, 0, 0, 0},
+   },
+  {
+   NO16_OPD, 0, NULL,
+   {0, 0, 0, 0},
+   {0, 0, 0, 0},
+   },
+};
+
+struct asm_opcode
+{
+  /* Instruction name.  */
+  const char *template;
+
+  /* Instruction Opcode.  */
+  unsigned long value;
+
+  /* Instruction bit mask.  */
+  unsigned long bitmask;
+
+  /* Relax instruction opcode.  0x8000 imply no relaxation.  */
+  unsigned long relax_value;
+
+  /* Instruction type.  */
+  enum score_insn_type type;
+
+  /* Function to call to parse args.  */
+  void (*parms) (char *);
+};
+
+enum insn_class
+{
+  INSN_CLASS_16,
+  INSN_CLASS_32,
+  INSN_CLASS_PCE,
+  INSN_CLASS_SYN
+};
+
+#endif