Initial revision

1 files changed, 914 insertions, 0 deletions

diff --git a/opcodes/i960-dis.c b/opcodes/i960-dis.c
new file mode 100644
index 0000000000..c0bd84837a
--- /dev/null
+++ b/opcodes/i960-dis.c
@@ -0,0 +1,914 @@
+/* Disassemble i80960 instructions.
+   Copyright (C) 1990, 91, 93, 94, 95, 96, 1998 Free Software Foundation, Inc.
+
+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, 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; see the file COPYING.  If not, write to the
+Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.  */
+
+#include "dis-asm.h"
+
+static const char *const reg_names[] = {
+/*  0 */	"pfp", "sp",  "rip", "r3",  "r4",  "r5",  "r6",  "r7", 
+/*  8 */	"r8",  "r9",  "r10", "r11", "r12", "r13", "r14", "r15",
+/* 16 */	"g0",  "g1",  "g2",  "g3",  "g4",  "g5",  "g6",  "g7", 
+/* 24 */	"g8",  "g9",  "g10", "g11", "g12", "g13", "g14", "fp", 
+/* 32 */	"pc",  "ac",  "ip",  "tc",  "fp0", "fp1", "fp2", "fp3" 
+};
+
+
+static FILE *stream;		/* Output goes here */
+static struct disassemble_info *info;
+static void print_addr();
+static void ctrl();
+static void cobr();
+static void reg();
+static int mem();
+static void ea();
+static void dstop();
+static void regop();
+static void invalid();
+static int pinsn();
+static void put_abs();
+
+
+/* Print the i960 instruction at address 'memaddr' in debugged memory,
+   on INFO->STREAM.  Returns length of the instruction, in bytes.  */
+
+int
+print_insn_i960 (memaddr, info_arg)
+    bfd_vma memaddr;
+    struct disassemble_info *info_arg;
+{
+  unsigned int word1, word2 = 0xdeadbeef;
+  bfd_byte buffer[8];
+  int status;
+
+  info = info_arg;
+  stream = info->stream;
+
+  /* Read word1.  Only read word2 if the instruction
+     needs it, to prevent reading past the end of a section.  */
+
+  status = (*info->read_memory_func) (memaddr, (bfd_byte *) buffer, 4, info);
+  if (status != 0)
+    {
+      (*info->memory_error_func) (status, memaddr, info);
+      return -1;
+    }
+
+  word1 = bfd_getl32 (buffer);
+
+  /* Divide instruction set into classes based on high 4 bits of opcode.  */
+  switch ( (word1 >> 28) & 0xf )
+    {
+    default:
+      break;
+    case 0x8:
+    case 0x9:
+    case 0xa:
+    case 0xb:
+    case 0xc:
+      /* Read word2.  */
+      status = (*info->read_memory_func)
+	(memaddr + 4, (bfd_byte *) (buffer + 4), 4, info);
+      if (status != 0)
+	{
+	  (*info->memory_error_func) (status, memaddr, info);
+	  return -1;
+	}
+      word2 = bfd_getl32 (buffer + 4);
+      break;
+    }
+
+  return pinsn( memaddr, word1, word2 );
+}
+
+#define IN_GDB
+
+/*****************************************************************************
+ *	All code below this point should be identical with that of
+ *	the disassembler in gdmp960.
+
+ A noble sentiment, but at least in cosmetic ways (info->fprintf_func), it
+ just ain't so. -kingdon, 31 Mar 93
+ *****************************************************************************/
+
+struct tabent {
+  char *name;
+  short numops;
+};
+
+struct sparse_tabent {
+  int opcode;
+  char *name;
+  short numops;
+};
+
+static int
+pinsn( memaddr, word1, word2 )
+    bfd_vma memaddr;
+    unsigned long word1, word2;
+{
+	int instr_len;
+
+	instr_len = 4;
+	put_abs( word1, word2 );
+
+	/* Divide instruction set into classes based on high 4 bits of opcode*/
+	switch ( (word1 >> 28) & 0xf ){
+	case 0x0:
+	case 0x1:
+		ctrl( memaddr, word1, word2 );
+		break;
+	case 0x2:
+	case 0x3:
+		cobr( memaddr, word1, word2 );
+		break;
+	case 0x5:
+	case 0x6:
+	case 0x7:
+		reg( word1 );
+		break;
+	case 0x8:
+	case 0x9:
+	case 0xa:
+	case 0xb:
+	case 0xc:
+		instr_len = mem( memaddr, word1, word2, 0 );
+		break;
+	default:
+		/* invalid instruction, print as data word */ 
+		invalid( word1 );
+		break;
+	}
+	return instr_len;
+}
+
+/****************************************/
+/* CTRL format				*/
+/****************************************/
+static void
+ctrl( memaddr, word1, word2 )
+    bfd_vma memaddr;
+    unsigned long word1, word2;
+{
+	int i;
+	static const struct tabent ctrl_tab[] = {
+	  { NULL,		0, },	/* 0x00 */
+	  { NULL,		0, },	/* 0x01 */
+	  { NULL,		0, },	/* 0x02 */
+	  { NULL,		0, },	/* 0x03 */
+	  { NULL,		0, },	/* 0x04 */
+	  { NULL,		0, },	/* 0x05 */
+	  { NULL,		0, },	/* 0x06 */
+	  { NULL,		0, },	/* 0x07 */
+	  { "b",		1, },	/* 0x08 */
+	  { "call",		1, },	/* 0x09 */
+	  { "ret",		0, },	/* 0x0a */
+	  { "bal",		1, },	/* 0x0b */
+	  { NULL,		0, },	/* 0x0c */
+	  { NULL,		0, },	/* 0x0d */
+	  { NULL,		0, },	/* 0x0e */
+	  { NULL,		0, },	/* 0x0f */
+	  { "bno",		1, },	/* 0x10 */
+	  { "bg",		1, },	/* 0x11 */
+	  { "be",		1, },	/* 0x12 */
+	  { "bge",		1, },	/* 0x13 */
+	  { "bl",		1, },	/* 0x14 */
+	  { "bne",		1, },	/* 0x15 */
+	  { "ble",		1, },	/* 0x16 */
+	  { "bo",		1, },	/* 0x17 */
+	  { "faultno",		0, },	/* 0x18 */
+	  { "faultg",		0, },	/* 0x19 */
+	  { "faulte",		0, },	/* 0x1a */
+	  { "faultge",		0, },	/* 0x1b */
+	  { "faultl",		0, },	/* 0x1c */
+	  { "faultne",		0, },	/* 0x1d */
+	  { "faultle",		0, },	/* 0x1e */
+	  { "faulto",		0, },	/* 0x1f */
+	};
+
+	i = (word1 >> 24) & 0xff;
+	if ( (ctrl_tab[i].name == NULL) || ((word1 & 1) != 0) ){
+		invalid( word1 );
+		return;
+	}
+
+	(*info->fprintf_func) ( stream, ctrl_tab[i].name );
+	if ( word1 & 2 ){		/* Predicts branch not taken */
+		(*info->fprintf_func) ( stream, ".f" );
+	}
+
+	if ( ctrl_tab[i].numops == 1 ){
+		/* EXTRACT DISPLACEMENT AND CONVERT TO ADDRESS */
+		word1 &= 0x00ffffff;
+		if ( word1 & 0x00800000 ){		/* Sign bit is set */
+			word1 |= (-1 & ~0xffffff);	/* Sign extend */
+		}
+		(*info->fprintf_func)( stream, "\t" );
+		print_addr( word1 + memaddr );
+	}
+}
+
+/****************************************/
+/* COBR format				*/
+/****************************************/
+static void
+cobr( memaddr, word1, word2 )
+    bfd_vma memaddr;
+    unsigned long word1, word2;
+{
+	int src1;
+	int src2;
+	int i;
+
+	static const struct tabent cobr_tab[] = {
+	  { "testno",	1, },	/* 0x20 */
+	  { "testg",	1, },	/* 0x21 */
+	  { "teste",	1, },	/* 0x22 */
+	  { "testge",	1, },	/* 0x23 */
+	  { "testl",	1, },	/* 0x24 */
+	  { "testne",	1, },	/* 0x25 */
+	  { "testle",	1, },	/* 0x26 */
+	  { "testo",	1, },	/* 0x27 */
+	  { NULL,	0, },	/* 0x28 */
+	  { NULL,	0, },	/* 0x29 */
+	  { NULL,	0, },	/* 0x2a */
+	  { NULL,	0, },	/* 0x2b */
+	  { NULL,	0, },	/* 0x2c */
+	  { NULL,	0, },	/* 0x2d */
+	  { NULL,	0, },	/* 0x2e */
+	  { NULL,	0, },	/* 0x2f */
+	  { "bbc",	3, },	/* 0x30 */
+	  { "cmpobg",	3, },	/* 0x31 */
+	  { "cmpobe",	3, },	/* 0x32 */
+	  { "cmpobge",	3, },	/* 0x33 */
+	  { "cmpobl",	3, },	/* 0x34 */
+	  { "cmpobne",	3, },	/* 0x35 */
+	  { "cmpoble",	3, },	/* 0x36 */
+	  { "bbs",	3, },	/* 0x37 */
+	  { "cmpibno",	3, },	/* 0x38 */
+	  { "cmpibg",	3, },	/* 0x39 */
+	  { "cmpibe",	3, },	/* 0x3a */
+	  { "cmpibge",	3, },	/* 0x3b */
+	  { "cmpibl",	3, },	/* 0x3c */
+	  { "cmpibne",	3, },	/* 0x3d */
+	  { "cmpible",	3, },	/* 0x3e */
+	  { "cmpibo",	3, },	/* 0x3f */
+	};
+
+	i = ((word1 >> 24) & 0xff) - 0x20;
+	if ( cobr_tab[i].name == NULL ){
+		invalid( word1 );
+		return;
+	}
+
+	(*info->fprintf_func) ( stream, cobr_tab[i].name );
+	if ( word1 & 2 ){		/* Predicts branch not taken */
+		(*info->fprintf_func) ( stream, ".f" );
+	}
+	(*info->fprintf_func)( stream, "\t" );
+
+	src1 = (word1 >> 19) & 0x1f;
+	src2 = (word1 >> 14) & 0x1f;
+
+	if ( word1 & 0x02000 ){		/* M1 is 1 */
+		(*info->fprintf_func)( stream, "%d", src1 );
+	} else {			/* M1 is 0 */
+		(*info->fprintf_func)( stream, reg_names[src1] );
+	}
+
+	if ( cobr_tab[i].numops > 1 ){
+		if ( word1 & 1 ){		/* S2 is 1 */
+			(*info->fprintf_func)( stream, ",sf%d,", src2 );
+		} else {			/* S1 is 0 */
+			(*info->fprintf_func)( stream, ",%s,", reg_names[src2] );
+		}
+
+		/* Extract displacement and convert to address
+		 */
+		word1 &= 0x00001ffc;
+		if ( word1 & 0x00001000 ){	/* Negative displacement */
+			word1 |= (-1 & ~0x1fff);	/* Sign extend */
+		}
+		print_addr( memaddr + word1 );
+	}
+}
+
+/****************************************/
+/* MEM format				*/
+/****************************************/
+static int				/* returns instruction length: 4 or 8 */
+mem( memaddr, word1, word2, noprint )
+    bfd_vma memaddr;
+    unsigned long word1, word2;
+    int noprint;		/* If TRUE, return instruction length, but
+				 * don't output any text.
+				 */
+{
+	int i, j;
+	int len;
+	int mode;
+	int offset;
+	const char *reg1, *reg2, *reg3;
+
+	/* This lookup table is too sparse to make it worth typing in, but not
+	   so large as to make a sparse array necessary.  We create the table
+	   at runtime.  */
+
+	/*
+	 * NOTE: In this table, the meaning of 'numops' is:
+	 *	 1: single operand
+	 *	 2: 2 operands, load instruction
+	 *	-2: 2 operands, store instruction
+	 */
+	static struct tabent *mem_tab;
+/* Opcodes of 0x8X, 9X, aX, bX, and cX must be in the table.  */
+#define MEM_MIN	0x80
+#define MEM_MAX	0xcf
+#define MEM_SIZ	( * sizeof(struct tabent))
+
+	static const struct sparse_tabent mem_init[] = {
+	  { 0x80,	"ldob",	 2 },
+	  { 0x82,	"stob",	-2 },
+	  { 0x84,	"bx",	 1 },
+	  { 0x85,	"balx",	 2 },
+	  { 0x86,	"callx", 1 },
+	  { 0x88,	"ldos",	 2 },
+	  { 0x8a,	"stos",	-2 },
+	  { 0x8c,	"lda",	 2 },
+	  { 0x90,	"ld",	 2 },
+	  { 0x92,	"st",	-2 },
+	  { 0x98,	"ldl",	 2 },
+	  { 0x9a,	"stl",	-2 },
+	  { 0xa0,	"ldt",	 2 },
+	  { 0xa2,	"stt",	-2 },
+	  { 0xac,	"dcinva", 1 },
+	  { 0xb0,	"ldq",	 2 },
+	  { 0xb2,	"stq",	-2 },
+	  { 0xc0,	"ldib",	 2 },
+	  { 0xc2,	"stib",	-2 },
+	  { 0xc8,	"ldis",	 2 },
+	  { 0xca,	"stis",	-2 },
+	  { 0,		NULL,	0 }
+	};
+	static struct tabent mem_tab_buf[MEM_MAX - MEM_MIN + 1];
+
+	if ( mem_tab == NULL ){
+		mem_tab = mem_tab_buf;
+		for ( i = 0; mem_init[i].opcode != 0; i++ ){
+			j = mem_init[i].opcode - MEM_MIN;
+			mem_tab[j].name = mem_init[i].name;
+			mem_tab[j].numops = mem_init[i].numops;
+		}
+	}
+
+	i = ((word1 >> 24) & 0xff) - MEM_MIN;
+	mode = (word1 >> 10) & 0xf;
+
+	if ( (mem_tab[i].name != NULL)		/* Valid instruction */
+	&&   ((mode == 5) || (mode >=12)) ){	/* With 32-bit displacement */
+		len = 8;
+	} else {
+		len = 4;
+	}
+
+	if ( noprint ){
+		return len;
+	}
+
+	if ( (mem_tab[i].name == NULL) || (mode == 6) ){
+		invalid( word1 );
+		return len;
+	}
+
+	(*info->fprintf_func)( stream, "%s\t", mem_tab[i].name );
+
+	reg1 = reg_names[ (word1 >> 19) & 0x1f ];	/* MEMB only */
+	reg2 = reg_names[ (word1 >> 14) & 0x1f ];
+	reg3 = reg_names[ word1 & 0x1f ];		/* MEMB only */
+	offset = word1 & 0xfff;				/* MEMA only  */
+
+	switch ( mem_tab[i].numops ){
+
+	case 2: /* LOAD INSTRUCTION */
+		if ( mode & 4 ){			/* MEMB FORMAT */
+			ea( memaddr, mode, reg2, reg3, word1, word2 );
+			(*info->fprintf_func)( stream, ",%s", reg1 );
+		} else {				/* MEMA FORMAT */
+			(*info->fprintf_func)( stream, "0x%x", (unsigned) offset );
+			if (mode & 8) {
+				(*info->fprintf_func)( stream, "(%s)", reg2 );
+			}
+			(*info->fprintf_func)( stream, ",%s", reg1 );
+		}
+		break;
+
+	case -2: /* STORE INSTRUCTION */
+		if ( mode & 4 ){			/* MEMB FORMAT */
+			(*info->fprintf_func)( stream, "%s,", reg1 );
+			ea( memaddr, mode, reg2, reg3, word1, word2 );
+		} else {				/* MEMA FORMAT */
+			(*info->fprintf_func)( stream, "%s,0x%x", reg1, (unsigned) offset );
+			if (mode & 8) {
+				(*info->fprintf_func)( stream, "(%s)", reg2 );
+			}
+		}
+		break;
+
+	case 1: /* BX/CALLX INSTRUCTION */
+		if ( mode & 4 ){			/* MEMB FORMAT */
+			ea( memaddr, mode, reg2, reg3, word1, word2 );
+		} else {				/* MEMA FORMAT */
+			(*info->fprintf_func)( stream, "0x%x", (unsigned) offset );
+			if (mode & 8) {
+				(*info->fprintf_func)( stream, "(%s)", reg2 );
+			}
+		}
+		break;
+	}
+
+	return len;
+}
+
+/****************************************/
+/* REG format				*/
+/****************************************/
+static void
+reg( word1 )
+    unsigned long word1;
+{
+	int i, j;
+	int opcode;
+	int fp;
+	int m1, m2, m3;
+	int s1, s2;
+	int src, src2, dst;
+	char *mnemp;
+
+	/* This lookup table is too sparse to make it worth typing in, but not
+	   so large as to make a sparse array necessary.  We create the table
+	   at runtime.  */
+
+	/*
+	 * NOTE: In this table, the meaning of 'numops' is:
+	 *	 1: single operand, which is NOT a destination.
+	 *	-1: single operand, which IS a destination.
+	 *	 2: 2 operands, the 2nd of which is NOT a destination.
+	 *	-2: 2 operands, the 2nd of which IS a destination.
+	 *	 3: 3 operands
+	 *
+	 *	If an opcode mnemonic begins with "F", it is a floating-point
+	 *	opcode (the "F" is not printed).
+	 */
+
+	static struct tabent *reg_tab;
+	static const struct sparse_tabent reg_init[] = {
+#define REG_MIN	0x580
+	  { 0x580,	"notbit",	3 },
+	  { 0x581,	"and",		3 },
+	  { 0x582,	"andnot",	3 },
+	  { 0x583,	"setbit",	3 },
+	  { 0x584,	"notand",	3 },
+	  { 0x586,	"xor",		3 },
+	  { 0x587,	"or",		3 },
+	  { 0x588,	"nor",		3 },
+	  { 0x589,	"xnor",		3 },
+	  { 0x58a,	"not",		-2 },
+	  { 0x58b,	"ornot",	3 },
+	  { 0x58c,	"clrbit",	3 },
+	  { 0x58d,	"notor",	3 },
+	  { 0x58e,	"nand",		3 },
+	  { 0x58f,	"alterbit",	3 },
+	  { 0x590, 	"addo",		3 },
+	  { 0x591, 	"addi",		3 },
+	  { 0x592, 	"subo",		3 },
+	  { 0x593, 	"subi",		3 },
+	  { 0x594,	"cmpob",	2 },
+	  { 0x595,	"cmpib",	2 },
+	  { 0x596,	"cmpos",	2 },
+	  { 0x597,	"cmpis",	2 },
+	  { 0x598, 	"shro",		3 },
+	  { 0x59a, 	"shrdi",	3 },
+	  { 0x59b, 	"shri",		3 },
+	  { 0x59c, 	"shlo",		3 },
+	  { 0x59d, 	"rotate",	3 },
+	  { 0x59e, 	"shli",		3 },
+	  { 0x5a0, 	"cmpo",		2 },
+	  { 0x5a1, 	"cmpi",		2 },
+	  { 0x5a2, 	"concmpo",	2 },
+	  { 0x5a3, 	"concmpi",	2 },
+	  { 0x5a4, 	"cmpinco",	3 },
+	  { 0x5a5, 	"cmpinci",	3 },
+	  { 0x5a6, 	"cmpdeco",	3 },
+	  { 0x5a7, 	"cmpdeci",	3 },
+	  { 0x5ac, 	"scanbyte",	2 },
+	  { 0x5ad,	"bswap",	-2 },
+	  { 0x5ae, 	"chkbit",	2 },
+	  { 0x5b0, 	"addc",		3 },
+	  { 0x5b2, 	"subc",		3 },
+	  { 0x5b4,	"intdis",	0 },
+	  { 0x5b5,	"inten",	0 },
+	  { 0x5cc,	"mov",		-2 },
+	  { 0x5d8,	"eshro",	3 },
+	  { 0x5dc,	"movl",		-2 },
+	  { 0x5ec,	"movt",		-2 },
+	  { 0x5fc,	"movq",		-2 },
+	  { 0x600,	"synmov",	2 },
+	  { 0x601,	"synmovl",	2 },
+	  { 0x602,	"synmovq",	2 },
+	  { 0x603,	"cmpstr",	3 },
+	  { 0x604,	"movqstr",	3 },
+	  { 0x605,	"movstr",	3 },
+	  { 0x610,	"atmod",	3 },
+	  { 0x612,	"atadd",	3 },
+	  { 0x613,	"inspacc",	-2 },
+	  { 0x614,	"ldphy",	-2 },
+	  { 0x615,	"synld",	-2 },
+	  { 0x617,	"fill",		3 },
+	  { 0x630,	"sdma",		3 },
+	  { 0x631,	"udma",		0 },
+	  { 0x640,	"spanbit",	-2 },
+	  { 0x641,	"scanbit",	-2 },
+	  { 0x642,	"daddc",	3 },
+	  { 0x643,	"dsubc",	3 },
+	  { 0x644,	"dmovt",	-2 },
+	  { 0x645,	"modac",	3 },
+	  { 0x646,	"condrec",	-2 },
+	  { 0x650,	"modify",	3 },
+	  { 0x651,	"extract",	3 },
+	  { 0x654,	"modtc",	3 },
+	  { 0x655,	"modpc",	3 },
+	  { 0x656,	"receive",	-2 },
+	  { 0x658,	"intctl",	-2 },
+	  { 0x659,	"sysctl",	3 },
+	  { 0x65b,	"icctl",	3 },
+	  { 0x65c,	"dcctl",	3 },
+	  { 0x65d,	"halt",		0 },
+	  { 0x660,	"calls",	1 },
+	  { 0x662,	"send",		3 },
+	  { 0x663,	"sendserv",	1 },
+	  { 0x664,	"resumprcs",	1 },
+	  { 0x665,	"schedprcs",	1 },
+	  { 0x666,	"saveprcs",	0 },
+	  { 0x668,	"condwait",	1 },
+	  { 0x669,	"wait",		1 },
+	  { 0x66a,	"signal",	1 },
+	  { 0x66b,	"mark",		0 },
+	  { 0x66c,	"fmark",	0 },
+	  { 0x66d,	"flushreg",	0 },
+	  { 0x66f,	"syncf",	0 },
+	  { 0x670,	"emul",		3 },
+	  { 0x671,	"ediv",		3 },
+	  { 0x673, 	"ldtime",	-1 },
+	  { 0x674,	"Fcvtir",	-2 },
+	  { 0x675,	"Fcvtilr",	-2 },
+	  { 0x676,	"Fscalerl",	3 },
+	  { 0x677,	"Fscaler",	3 },
+	  { 0x680,	"Fatanr",	3 },
+	  { 0x681,	"Flogepr",	3 },
+	  { 0x682,	"Flogr",	3 },
+	  { 0x683,	"Fremr",	3 },
+	  { 0x684,	"Fcmpor",	2 },
+	  { 0x685,	"Fcmpr",	2 },
+	  { 0x688,	"Fsqrtr",	-2 },
+	  { 0x689,	"Fexpr",	-2 },
+	  { 0x68a,	"Flogbnr",	-2 },
+	  { 0x68b,	"Froundr",	-2 },
+	  { 0x68c,	"Fsinr",	-2 },
+	  { 0x68d,	"Fcosr",	-2 },
+	  { 0x68e,	"Ftanr",	-2 },
+	  { 0x68f,	"Fclassr",	1 },
+	  { 0x690,	"Fatanrl",	3 },
+	  { 0x691,	"Flogeprl",	3 },
+	  { 0x692,	"Flogrl",	3 },
+	  { 0x693,	"Fremrl",	3 },
+	  { 0x694,	"Fcmporl",	2 },
+	  { 0x695,	"Fcmprl",	2 },
+	  { 0x698,	"Fsqrtrl",	-2 },
+	  { 0x699,	"Fexprl",	-2 },
+	  { 0x69a,	"Flogbnrl",	-2 },
+	  { 0x69b,	"Froundrl",	-2 },
+	  { 0x69c,	"Fsinrl",	-2 },
+	  { 0x69d,	"Fcosrl",	-2 },
+	  { 0x69e,	"Ftanrl",	-2 },
+	  { 0x69f,	"Fclassrl",	1 },
+	  { 0x6c0,	"Fcvtri",	-2 },
+	  { 0x6c1,	"Fcvtril",	-2 },
+	  { 0x6c2,	"Fcvtzri",	-2 },
+	  { 0x6c3,	"Fcvtzril",	-2 },
+	  { 0x6c9,	"Fmovr",	-2 },
+	  { 0x6d9,	"Fmovrl",	-2 },
+	  { 0x6e1, 	"Fmovre",	-2 },
+	  { 0x6e2, 	"Fcpysre",	3 },
+	  { 0x6e3, 	"Fcpyrsre",	3 },
+	  { 0x701,	"mulo",		3 },
+	  { 0x708,	"remo",		3 },
+	  { 0x70b,	"divo",		3 },
+	  { 0x741,	"muli",		3 },
+	  { 0x748,	"remi",		3 },
+	  { 0x749,	"modi",		3 },
+	  { 0x74b,	"divi",		3 },
+	  { 0x780,	"addono",	3 },
+	  { 0x781,	"addino",	3 },
+	  { 0x782,	"subono",	3 },
+	  { 0x783,	"subino",	3 },
+	  { 0x784,	"selno",	3 },
+	  { 0x78b,	"Fdivr",	3 },
+	  { 0x78c,	"Fmulr",	3 },
+	  { 0x78d,	"Fsubr",	3 },
+	  { 0x78f,	"Faddr",	3 },
+	  { 0x790,	"addog",	3 },
+	  { 0x791,	"addig",        3 },
+	  { 0x792,	"subog",	3 },
+	  { 0x793,	"subig",	3 },
+	  { 0x794,	"selg",		3 },
+	  { 0x79b,	"Fdivrl",	3 },
+	  { 0x79c,	"Fmulrl",	3 },
+	  { 0x79d,	"Fsubrl",	3 },
+	  { 0x79f,	"Faddrl",	3 },
+	  { 0x7a0,	"addoe",	3 },
+	  { 0x7a1,	"addie",        3 },
+	  { 0x7a2,	"suboe",	3 },
+	  { 0x7a3,	"subie",	3 },
+	  { 0x7a4,	"sele",		3 },
+	  { 0x7b0,	"addoge",	3 },
+	  { 0x7b1,	"addige",	3 },
+	  { 0x7b2,	"suboge",	3 },
+	  { 0x7b3,	"subige",	3 },
+	  { 0x7b4,	"selge",	3 },
+	  { 0x7c0,	"addol",	3 },
+	  { 0x7c1,	"addil",	3 },
+	  { 0x7c2,	"subol",	3 },
+	  { 0x7c3,	"subil",	3 },
+	  { 0x7c4,	"sell",		3 },
+	  { 0x7d0,	"addone",	3 },
+	  { 0x7d1,	"addine",	3 },
+	  { 0x7d2,	"subone",	3 },
+	  { 0x7d3,	"subine",	3 },
+	  { 0x7d4,	"selne",	3 },
+	  { 0x7e0,	"addole",	3 },
+	  { 0x7e1,	"addile",	3 },
+	  { 0x7e2,	"subole",	3 },
+	  { 0x7e3,	"subile",	3 },
+	  { 0x7e4,	"selle",	3 },
+	  { 0x7f0,	"addoo",	3 },
+	  { 0x7f1,	"addio",	3 },
+	  { 0x7f2,	"suboo",	3 },
+	  { 0x7f3,	"subio",	3 },
+	  { 0x7f4,	"selo",		3 },
+#define REG_MAX 0x7f4
+	  { 0,		NULL,		0 }
+	};
+	static struct tabent reg_tab_buf[REG_MAX - REG_MIN + 1];
+
+	if ( reg_tab == NULL ){
+		reg_tab = reg_tab_buf;
+		for ( i = 0; reg_init[i].opcode != 0; i++ ){
+			j = reg_init[i].opcode - REG_MIN;
+			reg_tab[j].name = reg_init[i].name;
+			reg_tab[j].numops = reg_init[i].numops;
+		}
+	}
+
+	opcode = ((word1 >> 20) & 0xff0) | ((word1 >> 7) & 0xf);
+	i = opcode - REG_MIN;
+
+	if ( (opcode<REG_MIN) || (opcode>REG_MAX) || (reg_tab[i].name==NULL) ){
+		invalid( word1 );
+		return;
+	}
+
+	mnemp = reg_tab[i].name;
+	if ( *mnemp == 'F' ){
+		fp = 1;
+		mnemp++;
+	} else {
+		fp = 0;
+	}
+
+	(*info->fprintf_func)( stream, mnemp );
+
+	s1   = (word1 >> 5)  & 1;
+	s2   = (word1 >> 6)  & 1;
+	m1   = (word1 >> 11) & 1;
+	m2   = (word1 >> 12) & 1;
+	m3   = (word1 >> 13) & 1;
+	src  =  word1        & 0x1f;
+	src2 = (word1 >> 14) & 0x1f;
+	dst  = (word1 >> 19) & 0x1f;
+
+	if  ( reg_tab[i].numops != 0 ){
+		(*info->fprintf_func)( stream, "\t" );
+
+		switch ( reg_tab[i].numops ){
+		case 1:
+			regop( m1, s1, src, fp );
+			break;
+		case -1:
+			dstop( m3, dst, fp );
+			break;
+		case 2:
+			regop( m1, s1, src, fp );
+			(*info->fprintf_func)( stream, "," );
+			regop( m2, s2, src2, fp );
+			break;
+		case -2:
+			regop( m1, s1, src, fp );
+			(*info->fprintf_func)( stream, "," );
+			dstop( m3, dst, fp );
+			break;
+		case 3:
+			regop( m1, s1, src, fp );
+			(*info->fprintf_func)( stream, "," );
+			regop( m2, s2, src2, fp );
+			(*info->fprintf_func)( stream, "," );
+			dstop( m3, dst, fp );
+			break;
+		}
+	}
+}
+
+
+/*
+ * Print out effective address for memb instructions.
+ */
+static void
+ea( memaddr, mode, reg2, reg3, word1, word2 )
+     bfd_vma memaddr;
+     int mode;
+     char *reg2, *reg3;
+     int word1;
+     unsigned int word2;
+{
+	int scale;
+	static const int scale_tab[] = { 1, 2, 4, 8, 16 };
+
+	scale = (word1 >> 7) & 0x07;
+	if ( (scale > 4) || (((word1 >> 5) & 0x03) != 0) ){
+		invalid( word1 );
+		return;
+	}
+	scale = scale_tab[scale];
+
+	switch (mode) {
+	case 4:	 					/* (reg) */
+		(*info->fprintf_func)( stream, "(%s)", reg2 );
+		break;
+	case 5:						/* displ+8(ip) */
+		print_addr( word2+8+memaddr );
+		break;
+	case 7:						/* (reg)[index*scale] */
+		if (scale == 1) {
+			(*info->fprintf_func)( stream, "(%s)[%s]", reg2, reg3 );
+		} else {
+			(*info->fprintf_func)( stream, "(%s)[%s*%d]",reg2,reg3,scale);
+		}
+		break;
+	case 12:					/* displacement */
+		print_addr( (bfd_vma)word2 );
+		break;
+	case 13:					/* displ(reg) */
+		print_addr( (bfd_vma)word2 );
+		(*info->fprintf_func)( stream, "(%s)", reg2 );
+		break;
+	case 14:					/* displ[index*scale] */
+		print_addr( (bfd_vma)word2 );
+		if (scale == 1) {
+			(*info->fprintf_func)( stream, "[%s]", reg3 );
+		} else {
+			(*info->fprintf_func)( stream, "[%s*%d]", reg3, scale );
+		}
+		break;
+	case 15:				/* displ(reg)[index*scale] */
+		print_addr( (bfd_vma)word2 );
+		if (scale == 1) {
+			(*info->fprintf_func)( stream, "(%s)[%s]", reg2, reg3 );
+		} else {
+			(*info->fprintf_func)( stream, "(%s)[%s*%d]",reg2,reg3,scale );
+		}
+		break;
+	default:
+		invalid( word1 );
+		return;
+	}
+}
+
+
+/************************************************/
+/* Register Instruction Operand  		*/
+/************************************************/
+static void
+regop( mode, spec, reg, fp )
+    int mode, spec, reg, fp;
+{
+	if ( fp ){				/* FLOATING POINT INSTRUCTION */
+		if ( mode == 1 ){			/* FP operand */
+			switch ( reg ){
+			case 0:  (*info->fprintf_func)( stream, "fp0" );
+			  break;
+			case 1:  (*info->fprintf_func)( stream, "fp1" );
+			  break;
+			case 2:  (*info->fprintf_func)( stream, "fp2" );
+			  break;
+			case 3:  (*info->fprintf_func)( stream, "fp3" );
+			  break;
+			case 16: (*info->fprintf_func)( stream, "0f0.0" );
+			  break;
+			case 22: (*info->fprintf_func)( stream, "0f1.0" );
+			  break;
+			default: (*info->fprintf_func)( stream, "?" );
+			  break;
+			}
+		} else {				/* Non-FP register */
+			(*info->fprintf_func)( stream, reg_names[reg] );
+		}
+	} else {				/* NOT FLOATING POINT */
+		if ( mode == 1 ){			/* Literal */
+			(*info->fprintf_func)( stream, "%d", reg );
+		} else {				/* Register */
+			if ( spec == 0 ){
+				(*info->fprintf_func)( stream, reg_names[reg] );
+			} else {
+				(*info->fprintf_func)( stream, "sf%d", reg );
+			}
+		}
+	}
+}
+
+/************************************************/
+/* Register Instruction Destination Operand	*/
+/************************************************/
+static void
+dstop( mode, reg, fp )
+    int mode, reg, fp;
+{
+	/* 'dst' operand can't be a literal. On non-FP instructions,  register
+	 * mode is assumed and "m3" acts as if were "s3";  on FP-instructions,
+	 * sf registers are not allowed so m3 acts normally.
+	 */
+	 if ( fp ){
+		regop( mode, 0, reg, fp );
+	 } else {
+		regop( 0, mode, reg, fp );
+	 }
+}
+
+
+static void
+invalid( word1 )
+    int word1;
+{
+	(*info->fprintf_func)( stream, ".word\t0x%08x", (unsigned) word1 );
+}	
+
+static void
+print_addr(a)
+bfd_vma a;
+{
+  (*info->print_address_func) (a, info);
+}
+
+static void
+put_abs( word1, word2 )
+    unsigned long word1, word2;
+{
+#ifdef IN_GDB
+	return;
+#else
+	int len;
+
+	switch ( (word1 >> 28) & 0xf ){
+	case 0x8:
+	case 0x9:
+	case 0xa:
+	case 0xb:
+	case 0xc:
+		/* MEM format instruction */
+		len = mem( 0, word1, word2, 1 );
+		break;
+	default:
+		len = 4;
+		break;
+	}
+
+	if ( len == 8 ){
+		(*info->fprintf_func)( stream, "%08x %08x\t", word1, word2 );
+	} else {
+		(*info->fprintf_func)( stream, "%08x         \t", word1 );
+	}
+;
+
+#endif
+}