From 87e6d782173c2d21d5f7ee1510a3b4f27a1fe68e Mon Sep 17 00:00:00 2001
From: Nick Clifton <nickc@redhat.com>
Date: Fri, 27 Apr 2001 13:34:20 +0000
Subject: Add openRISC support in opcodes

---
 opcodes/openrisc-opc.c | 701 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 701 insertions(+)
 create mode 100644 opcodes/openrisc-opc.c

(limited to 'opcodes/openrisc-opc.c')

diff --git a/opcodes/openrisc-opc.c b/opcodes/openrisc-opc.c
new file mode 100644
index 0000000..86ee35b
--- /dev/null
+++ b/opcodes/openrisc-opc.c
@@ -0,0 +1,701 @@
+/* Instruction opcode table for openrisc.
+
+THIS FILE IS MACHINE GENERATED WITH CGEN.
+
+Copyright 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+
+This file is part of the GNU Binutils and/or GDB, the GNU debugger.
+
+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; if not, write to the Free Software Foundation, Inc.,
+59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+*/
+
+#include "sysdep.h"
+#include "ansidecl.h"
+#include "bfd.h"
+#include "symcat.h"
+#include "openrisc-desc.h"
+#include "openrisc-opc.h"
+#include "libiberty.h"
+
+/* -- opc.c */
+/* -- */
+/* The hash functions are recorded here to help keep assembler code out of
+   the disassembler and vice versa.  */
+
+static int asm_hash_insn_p PARAMS ((const CGEN_INSN *));
+static unsigned int asm_hash_insn PARAMS ((const char *));
+static int dis_hash_insn_p PARAMS ((const CGEN_INSN *));
+static unsigned int dis_hash_insn PARAMS ((const char *, CGEN_INSN_INT));
+
+/* Instruction formats.  */
+
+#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
+#define F(f) & openrisc_cgen_ifld_table[OPENRISC_##f]
+#else
+#define F(f) & openrisc_cgen_ifld_table[OPENRISC_/**/f]
+#endif
+static const CGEN_IFMT ifmt_empty = {
+  0, 0, 0x0, { { 0 } }
+};
+
+static const CGEN_IFMT ifmt_l_j = {
+  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_ABS26) }, { 0 } }
+};
+
+static const CGEN_IFMT ifmt_l_jr = {
+  32, 32, 0xffe00000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP3) }, { F (F_OP4) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
+};
+
+static const CGEN_IFMT ifmt_l_bal = {
+  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_DISP26) }, { 0 } }
+};
+
+static const CGEN_IFMT ifmt_l_movhi = {
+  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_SIMM16) }, { 0 } }
+};
+
+static const CGEN_IFMT ifmt_l_mfsr = {
+  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
+};
+
+static const CGEN_IFMT ifmt_l_mtsr = {
+  32, 32, 0xfc0007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_R3) }, { F (F_I16_1) }, { 0 } }
+};
+
+static const CGEN_IFMT ifmt_l_lw = {
+  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_SIMM16) }, { 0 } }
+};
+
+static const CGEN_IFMT ifmt_l_sw = {
+  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R3) }, { F (F_I16NC) }, { 0 } }
+};
+
+static const CGEN_IFMT ifmt_l_sll = {
+  32, 32, 0xfc0007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_R3) }, { F (F_F_10_3) }, { F (F_OP6) }, { F (F_F_4_1) }, { F (F_OP7) }, { 0 } }
+};
+
+static const CGEN_IFMT ifmt_l_slli = {
+  32, 32, 0xfc00ffe0, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_F_15_8) }, { F (F_OP6) }, { F (F_UIMM5) }, { 0 } }
+};
+
+static const CGEN_IFMT ifmt_l_add = {
+  32, 32, 0xfc0007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_R3) }, { F (F_F_10_7) }, { F (F_OP7) }, { 0 } }
+};
+
+static const CGEN_IFMT ifmt_l_addi = {
+  32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_LO16) }, { 0 } }
+};
+
+static const CGEN_IFMT ifmt_l_sfgts = {
+  32, 32, 0xffe007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP5) }, { F (F_R2) }, { F (F_R3) }, { F (F_F_10_11) }, { 0 } }
+};
+
+static const CGEN_IFMT ifmt_l_sfgtsi = {
+  32, 32, 0xffe00000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP5) }, { F (F_R2) }, { F (F_SIMM16) }, { 0 } }
+};
+
+static const CGEN_IFMT ifmt_l_sfgtui = {
+  32, 32, 0xffe00000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP5) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
+};
+
+#undef F
+
+#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
+#define A(a) (1 << CGEN_INSN_##a)
+#else
+#define A(a) (1 << CGEN_INSN_/**/a)
+#endif
+#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
+#define OPERAND(op) OPENRISC_OPERAND_##op
+#else
+#define OPERAND(op) OPENRISC_OPERAND_/**/op
+#endif
+#define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
+#define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
+
+/* The instruction table.  */
+
+static const CGEN_OPCODE openrisc_cgen_insn_opcode_table[MAX_INSNS] =
+{
+  /* Special null first entry.
+     A `num' value of zero is thus invalid.
+     Also, the special `invalid' insn resides here.  */
+  { { 0, 0, 0, 0 }, {{0}}, 0, {0}},
+/* l.j ${abs-26} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (ABS_26), 0 } },
+    & ifmt_l_j, { 0x0 }
+  },
+/* l.jal ${abs-26} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (ABS_26), 0 } },
+    & ifmt_l_j, { 0x4000000 }
+  },
+/* l.jr $rA */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), 0 } },
+    & ifmt_l_jr, { 0x14000000 }
+  },
+/* l.jalr $rA */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), 0 } },
+    & ifmt_l_jr, { 0x14200000 }
+  },
+/* l.bal ${disp-26} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (DISP_26), 0 } },
+    & ifmt_l_bal, { 0x8000000 }
+  },
+/* l.bnf ${disp-26} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (DISP_26), 0 } },
+    & ifmt_l_bal, { 0xc000000 }
+  },
+/* l.bf ${disp-26} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (DISP_26), 0 } },
+    & ifmt_l_bal, { 0x10000000 }
+  },
+/* l.brk ${uimm-16} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (UIMM_16), 0 } },
+    & ifmt_l_jr, { 0x17000000 }
+  },
+/* l.rfe $rA */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), 0 } },
+    & ifmt_l_jr, { 0x14400000 }
+  },
+/* l.sys ${uimm-16} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (UIMM_16), 0 } },
+    & ifmt_l_jr, { 0x16000000 }
+  },
+/* l.nop */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, 0 } },
+    & ifmt_l_jr, { 0x15000000 }
+  },
+/* l.movhi $rD,$hi16 */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (HI16), 0 } },
+    & ifmt_l_movhi, { 0x18000000 }
+  },
+/* l.mfsr $rD,$rA */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), 0 } },
+    & ifmt_l_mfsr, { 0x1c000000 }
+  },
+/* l.mtsr $rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_mtsr, { 0x40000000 }
+  },
+/* l.lw $rD,${simm-16}($rA) */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
+    & ifmt_l_lw, { 0x80000000 }
+  },
+/* l.lbz $rD,${simm-16}($rA) */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
+    & ifmt_l_lw, { 0x84000000 }
+  },
+/* l.lbs $rD,${simm-16}($rA) */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
+    & ifmt_l_lw, { 0x88000000 }
+  },
+/* l.lhz $rD,${simm-16}($rA) */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
+    & ifmt_l_lw, { 0x8c000000 }
+  },
+/* l.lhs $rD,${simm-16}($rA) */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
+    & ifmt_l_lw, { 0x90000000 }
+  },
+/* l.sw ${ui16nc}($rA),$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (UI16NC), '(', OP (RA), ')', ',', OP (RB), 0 } },
+    & ifmt_l_sw, { 0xd4000000 }
+  },
+/* l.sb ${ui16nc}($rA),$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (UI16NC), '(', OP (RA), ')', ',', OP (RB), 0 } },
+    & ifmt_l_sw, { 0xd8000000 }
+  },
+/* l.sh ${ui16nc}($rA),$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (UI16NC), '(', OP (RA), ')', ',', OP (RB), 0 } },
+    & ifmt_l_sw, { 0xdc000000 }
+  },
+/* l.sll $rD,$rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_sll, { 0xe0000008 }
+  },
+/* l.slli $rD,$rA,${uimm-5} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
+    & ifmt_l_slli, { 0xb4000000 }
+  },
+/* l.srl $rD,$rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_sll, { 0xe0000028 }
+  },
+/* l.srli $rD,$rA,${uimm-5} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
+    & ifmt_l_slli, { 0xb4000020 }
+  },
+/* l.sra $rD,$rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_sll, { 0xe0000048 }
+  },
+/* l.srai $rD,$rA,${uimm-5} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
+    & ifmt_l_slli, { 0xb4000040 }
+  },
+/* l.ror $rD,$rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_sll, { 0xe0000088 }
+  },
+/* l.rori $rD,$rA,${uimm-5} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
+    & ifmt_l_slli, { 0xb4000080 }
+  },
+/* l.add $rD,$rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_add, { 0xe0000000 }
+  },
+/* l.addi $rD,$rA,$lo16 */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
+    & ifmt_l_addi, { 0x94000000 }
+  },
+/* l.sub $rD,$rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_add, { 0xe0000002 }
+  },
+/* l.subi $rD,$rA,$lo16 */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
+    & ifmt_l_addi, { 0x9c000000 }
+  },
+/* l.and $rD,$rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_add, { 0xe0000003 }
+  },
+/* l.andi $rD,$rA,$lo16 */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
+    & ifmt_l_addi, { 0xa0000000 }
+  },
+/* l.or $rD,$rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_add, { 0xe0000004 }
+  },
+/* l.ori $rD,$rA,$lo16 */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
+    & ifmt_l_addi, { 0xa4000000 }
+  },
+/* l.xor $rD,$rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_add, { 0xe0000005 }
+  },
+/* l.xori $rD,$rA,$lo16 */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
+    & ifmt_l_addi, { 0xa8000000 }
+  },
+/* l.mul $rD,$rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_add, { 0xe0000006 }
+  },
+/* l.muli $rD,$rA,$lo16 */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
+    & ifmt_l_addi, { 0xac000000 }
+  },
+/* l.div $rD,$rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_add, { 0xe0000009 }
+  },
+/* l.divu $rD,$rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_add, { 0xe000000a }
+  },
+/* l.sfgts $rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_sfgts, { 0xe4c00000 }
+  },
+/* l.sfgtu $rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_sfgts, { 0xe4400000 }
+  },
+/* l.sfges $rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_sfgts, { 0xe4e00000 }
+  },
+/* l.sfgeu $rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_sfgts, { 0xe4600000 }
+  },
+/* l.sflts $rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_sfgts, { 0xe5000000 }
+  },
+/* l.sfltu $rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_sfgts, { 0xe4800000 }
+  },
+/* l.sfles $rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_sfgts, { 0xe5200000 }
+  },
+/* l.sfleu $rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_sfgts, { 0xe4a00000 }
+  },
+/* l.sfgtsi $rA,${simm-16} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
+    & ifmt_l_sfgtsi, { 0xb8c00000 }
+  },
+/* l.sfgtui $rA,${uimm-16} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
+    & ifmt_l_sfgtui, { 0xb8400000 }
+  },
+/* l.sfgesi $rA,${simm-16} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
+    & ifmt_l_sfgtsi, { 0xb8e00000 }
+  },
+/* l.sfgeui $rA,${uimm-16} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
+    & ifmt_l_sfgtui, { 0xb8600000 }
+  },
+/* l.sfltsi $rA,${simm-16} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
+    & ifmt_l_sfgtsi, { 0xb9000000 }
+  },
+/* l.sfltui $rA,${uimm-16} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
+    & ifmt_l_sfgtui, { 0xb8800000 }
+  },
+/* l.sflesi $rA,${simm-16} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
+    & ifmt_l_sfgtsi, { 0xb9200000 }
+  },
+/* l.sfleui $rA,${uimm-16} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
+    & ifmt_l_sfgtui, { 0xb8a00000 }
+  },
+/* l.sfeq $rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_sfgts, { 0xe4000000 }
+  },
+/* l.sfeqi $rA,${simm-16} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
+    & ifmt_l_sfgtsi, { 0xb8000000 }
+  },
+/* l.sfne $rA,$rB */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
+    & ifmt_l_sfgts, { 0xe4200000 }
+  },
+/* l.sfnei $rA,${simm-16} */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
+    & ifmt_l_sfgtsi, { 0xb8200000 }
+  },
+};
+
+#undef A
+#undef OPERAND
+#undef MNEM
+#undef OP
+
+/* Formats for ALIAS macro-insns.  */
+
+#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
+#define F(f) & openrisc_cgen_ifld_table[OPENRISC_##f]
+#else
+#define F(f) & openrisc_cgen_ifld_table[OPENRISC_/**/f]
+#endif
+static const CGEN_IFMT ifmt_l_ret = {
+  32, 32, 0xffffffff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP3) }, { F (F_OP4) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
+};
+
+#undef F
+
+/* Each non-simple macro entry points to an array of expansion possibilities.  */
+
+#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
+#define A(a) (1 << CGEN_INSN_##a)
+#else
+#define A(a) (1 << CGEN_INSN_/**/a)
+#endif
+#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
+#define OPERAND(op) OPENRISC_OPERAND_##op
+#else
+#define OPERAND(op) OPENRISC_OPERAND_/**/op
+#endif
+#define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
+#define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
+
+/* The macro instruction table.  */
+
+static const CGEN_IBASE openrisc_cgen_macro_insn_table[] =
+{
+/* l.ret */
+  {
+    -1, "l-ret", "l.ret", 32,
+    { 0|A(ALIAS), { (1<<MACH_BASE) } }
+  },
+};
+
+/* The macro instruction opcode table.  */
+
+static const CGEN_OPCODE openrisc_cgen_macro_insn_opcode_table[] =
+{
+/* l.ret */
+  {
+    { 0, 0, 0, 0 },
+    { { MNEM, 0 } },
+    & ifmt_l_ret, { 0x140b0000 }
+  },
+};
+
+#undef A
+#undef OPERAND
+#undef MNEM
+#undef OP
+
+#ifndef CGEN_ASM_HASH_P
+#define CGEN_ASM_HASH_P(insn) 1
+#endif
+
+#ifndef CGEN_DIS_HASH_P
+#define CGEN_DIS_HASH_P(insn) 1
+#endif
+
+/* Return non-zero if INSN is to be added to the hash table.
+   Targets are free to override CGEN_{ASM,DIS}_HASH_P in the .opc file.  */
+
+static int
+asm_hash_insn_p (insn)
+     const CGEN_INSN *insn;
+{
+  return CGEN_ASM_HASH_P (insn);
+}
+
+static int
+dis_hash_insn_p (insn)
+     const CGEN_INSN *insn;
+{
+  /* If building the hash table and the NO-DIS attribute is present,
+     ignore.  */
+  if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_NO_DIS))
+    return 0;
+  return CGEN_DIS_HASH_P (insn);
+}
+
+#ifndef CGEN_ASM_HASH
+#define CGEN_ASM_HASH_SIZE 127
+#ifdef CGEN_MNEMONIC_OPERANDS
+#define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE)
+#else
+#define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE) /*FIXME*/
+#endif
+#endif
+
+/* It doesn't make much sense to provide a default here,
+   but while this is under development we do.
+   BUFFER is a pointer to the bytes of the insn, target order.
+   VALUE is the first base_insn_bitsize bits as an int in host order.  */
+
+#ifndef CGEN_DIS_HASH
+#define CGEN_DIS_HASH_SIZE 256
+#define CGEN_DIS_HASH(buf, value) (*(unsigned char *) (buf))
+#endif
+
+/* The result is the hash value of the insn.
+   Targets are free to override CGEN_{ASM,DIS}_HASH in the .opc file.  */
+
+static unsigned int
+asm_hash_insn (mnem)
+     const char * mnem;
+{
+  return CGEN_ASM_HASH (mnem);
+}
+
+/* BUF is a pointer to the bytes of the insn, target order.
+   VALUE is the first base_insn_bitsize bits as an int in host order.  */
+
+static unsigned int
+dis_hash_insn (buf, value)
+     const char * buf;
+     CGEN_INSN_INT value;
+{
+  return CGEN_DIS_HASH (buf, value);
+}
+
+/* Set the recorded length of the insn in the CGEN_FIELDS struct.  */
+
+static void
+set_fields_bitsize (fields, size)
+     CGEN_FIELDS *fields;
+     int size;
+{
+  CGEN_FIELDS_BITSIZE (fields) = size;
+}
+
+/* Function to call before using the operand instance table.
+   This plugs the opcode entries and macro instructions into the cpu table.  */
+
+void
+openrisc_cgen_init_opcode_table (cd)
+     CGEN_CPU_DESC cd;
+{
+  int i;
+  int num_macros = (sizeof (openrisc_cgen_macro_insn_table) /
+		    sizeof (openrisc_cgen_macro_insn_table[0]));
+  const CGEN_IBASE *ib = & openrisc_cgen_macro_insn_table[0];
+  const CGEN_OPCODE *oc = & openrisc_cgen_macro_insn_opcode_table[0];
+  CGEN_INSN *insns = (CGEN_INSN *) xmalloc (num_macros * sizeof (CGEN_INSN));
+  memset (insns, 0, num_macros * sizeof (CGEN_INSN));
+  for (i = 0; i < num_macros; ++i)
+    {
+      insns[i].base = &ib[i];
+      insns[i].opcode = &oc[i];
+    }
+  cd->macro_insn_table.init_entries = insns;
+  cd->macro_insn_table.entry_size = sizeof (CGEN_IBASE);
+  cd->macro_insn_table.num_init_entries = num_macros;
+
+  oc = & openrisc_cgen_insn_opcode_table[0];
+  insns = (CGEN_INSN *) cd->insn_table.init_entries;
+  for (i = 0; i < MAX_INSNS; ++i)
+    insns[i].opcode = &oc[i];
+
+  cd->sizeof_fields = sizeof (CGEN_FIELDS);
+  cd->set_fields_bitsize = set_fields_bitsize;
+
+  cd->asm_hash_p = asm_hash_insn_p;
+  cd->asm_hash = asm_hash_insn;
+  cd->asm_hash_size = CGEN_ASM_HASH_SIZE;
+
+  cd->dis_hash_p = dis_hash_insn_p;
+  cd->dis_hash = dis_hash_insn;
+  cd->dis_hash_size = CGEN_DIS_HASH_SIZE;
+}
-- 
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