Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 1244 insertions, 0 deletions

diff --git a/sim/fr30/cpu.h b/sim/fr30/cpu.h
new file mode 100644
index 0000000..9a02863
--- /dev/null
+++ b/sim/fr30/cpu.h
@@ -0,0 +1,1244 @@
+/* CPU family header for fr30bf.
+
+THIS FILE IS MACHINE GENERATED WITH CGEN.
+
+Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+
+This file is part of the GNU Simulators.
+
+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.
+
+*/
+
+#ifndef CPU_FR30BF_H
+#define CPU_FR30BF_H
+
+/* Maximum number of instructions that are fetched at a time.
+   This is for LIW type instructions sets (e.g. m32r).  */
+#define MAX_LIW_INSNS 1
+
+/* Maximum number of instructions that can be executed in parallel.  */
+#define MAX_PARALLEL_INSNS 1
+
+/* CPU state information.  */
+typedef struct {
+  /* Hardware elements.  */
+  struct {
+  /* program counter */
+  USI h_pc;
+#define GET_H_PC() CPU (h_pc)
+#define SET_H_PC(x) (CPU (h_pc) = (x))
+  /* general registers */
+  SI h_gr[16];
+#define GET_H_GR(a1) CPU (h_gr)[a1]
+#define SET_H_GR(a1, x) (CPU (h_gr)[a1] = (x))
+  /* coprocessor registers */
+  SI h_cr[16];
+#define GET_H_CR(a1) CPU (h_cr)[a1]
+#define SET_H_CR(a1, x) (CPU (h_cr)[a1] = (x))
+  /* dedicated registers */
+  SI h_dr[6];
+/* GET_H_DR macro user-written */
+/* SET_H_DR macro user-written */
+  /* program status */
+  USI h_ps;
+/* GET_H_PS macro user-written */
+/* SET_H_PS macro user-written */
+  /* General Register 13 explicitely required */
+  SI h_r13;
+#define GET_H_R13() CPU (h_r13)
+#define SET_H_R13(x) (CPU (h_r13) = (x))
+  /* General Register 14 explicitely required */
+  SI h_r14;
+#define GET_H_R14() CPU (h_r14)
+#define SET_H_R14(x) (CPU (h_r14) = (x))
+  /* General Register 15 explicitely required */
+  SI h_r15;
+#define GET_H_R15() CPU (h_r15)
+#define SET_H_R15(x) (CPU (h_r15) = (x))
+  /* negative         bit */
+  BI h_nbit;
+#define GET_H_NBIT() CPU (h_nbit)
+#define SET_H_NBIT(x) (CPU (h_nbit) = (x))
+  /* zero             bit */
+  BI h_zbit;
+#define GET_H_ZBIT() CPU (h_zbit)
+#define SET_H_ZBIT(x) (CPU (h_zbit) = (x))
+  /* overflow         bit */
+  BI h_vbit;
+#define GET_H_VBIT() CPU (h_vbit)
+#define SET_H_VBIT(x) (CPU (h_vbit) = (x))
+  /* carry            bit */
+  BI h_cbit;
+#define GET_H_CBIT() CPU (h_cbit)
+#define SET_H_CBIT(x) (CPU (h_cbit) = (x))
+  /* interrupt enable bit */
+  BI h_ibit;
+#define GET_H_IBIT() CPU (h_ibit)
+#define SET_H_IBIT(x) (CPU (h_ibit) = (x))
+  /* stack            bit */
+  BI h_sbit;
+/* GET_H_SBIT macro user-written */
+/* SET_H_SBIT macro user-written */
+  /* trace trap       bit */
+  BI h_tbit;
+#define GET_H_TBIT() CPU (h_tbit)
+#define SET_H_TBIT(x) (CPU (h_tbit) = (x))
+  /* division 0       bit */
+  BI h_d0bit;
+#define GET_H_D0BIT() CPU (h_d0bit)
+#define SET_H_D0BIT(x) (CPU (h_d0bit) = (x))
+  /* division 1       bit */
+  BI h_d1bit;
+#define GET_H_D1BIT() CPU (h_d1bit)
+#define SET_H_D1BIT(x) (CPU (h_d1bit) = (x))
+  /* condition code   bits */
+  UQI h_ccr;
+/* GET_H_CCR macro user-written */
+/* SET_H_CCR macro user-written */
+  /* system condition bits */
+  UQI h_scr;
+/* GET_H_SCR macro user-written */
+/* SET_H_SCR macro user-written */
+  /* interrupt level  mask */
+  UQI h_ilm;
+/* GET_H_ILM macro user-written */
+/* SET_H_ILM macro user-written */
+  } hardware;
+#define CPU_CGEN_HW(cpu) (& (cpu)->cpu_data.hardware)
+} FR30BF_CPU_DATA;
+
+/* Cover fns for register access.  */
+USI fr30bf_h_pc_get (SIM_CPU *);
+void fr30bf_h_pc_set (SIM_CPU *, USI);
+SI fr30bf_h_gr_get (SIM_CPU *, UINT);
+void fr30bf_h_gr_set (SIM_CPU *, UINT, SI);
+SI fr30bf_h_cr_get (SIM_CPU *, UINT);
+void fr30bf_h_cr_set (SIM_CPU *, UINT, SI);
+SI fr30bf_h_dr_get (SIM_CPU *, UINT);
+void fr30bf_h_dr_set (SIM_CPU *, UINT, SI);
+USI fr30bf_h_ps_get (SIM_CPU *);
+void fr30bf_h_ps_set (SIM_CPU *, USI);
+SI fr30bf_h_r13_get (SIM_CPU *);
+void fr30bf_h_r13_set (SIM_CPU *, SI);
+SI fr30bf_h_r14_get (SIM_CPU *);
+void fr30bf_h_r14_set (SIM_CPU *, SI);
+SI fr30bf_h_r15_get (SIM_CPU *);
+void fr30bf_h_r15_set (SIM_CPU *, SI);
+BI fr30bf_h_nbit_get (SIM_CPU *);
+void fr30bf_h_nbit_set (SIM_CPU *, BI);
+BI fr30bf_h_zbit_get (SIM_CPU *);
+void fr30bf_h_zbit_set (SIM_CPU *, BI);
+BI fr30bf_h_vbit_get (SIM_CPU *);
+void fr30bf_h_vbit_set (SIM_CPU *, BI);
+BI fr30bf_h_cbit_get (SIM_CPU *);
+void fr30bf_h_cbit_set (SIM_CPU *, BI);
+BI fr30bf_h_ibit_get (SIM_CPU *);
+void fr30bf_h_ibit_set (SIM_CPU *, BI);
+BI fr30bf_h_sbit_get (SIM_CPU *);
+void fr30bf_h_sbit_set (SIM_CPU *, BI);
+BI fr30bf_h_tbit_get (SIM_CPU *);
+void fr30bf_h_tbit_set (SIM_CPU *, BI);
+BI fr30bf_h_d0bit_get (SIM_CPU *);
+void fr30bf_h_d0bit_set (SIM_CPU *, BI);
+BI fr30bf_h_d1bit_get (SIM_CPU *);
+void fr30bf_h_d1bit_set (SIM_CPU *, BI);
+UQI fr30bf_h_ccr_get (SIM_CPU *);
+void fr30bf_h_ccr_set (SIM_CPU *, UQI);
+UQI fr30bf_h_scr_get (SIM_CPU *);
+void fr30bf_h_scr_set (SIM_CPU *, UQI);
+UQI fr30bf_h_ilm_get (SIM_CPU *);
+void fr30bf_h_ilm_set (SIM_CPU *, UQI);
+
+/* These must be hand-written.  */
+extern CPUREG_FETCH_FN fr30bf_fetch_register;
+extern CPUREG_STORE_FN fr30bf_store_register;
+
+typedef struct {
+  UINT load_regs;
+  UINT load_regs_pending;
+} MODEL_FR30_1_DATA;
+
+union sem_fields {
+    struct { /* empty sformat for unspecified field list */
+      int empty;
+    } fmt_empty;
+    struct { /* e.g. add $Rj,$Ri */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+      unsigned char out_Ri;
+    } fmt_add;
+    struct { /* e.g. add $u4,$Ri */
+      UINT f_u4;
+      SI * i_Ri;
+      unsigned char in_Ri;
+      unsigned char out_Ri;
+    } fmt_addi;
+    struct { /* e.g. add2 $m4,$Ri */
+      SI f_m4;
+      SI * i_Ri;
+      unsigned char in_Ri;
+      unsigned char out_Ri;
+    } fmt_add2;
+    struct { /* e.g. addc $Rj,$Ri */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+      unsigned char out_Ri;
+    } fmt_addc;
+    struct { /* e.g. addn $Rj,$Ri */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+      unsigned char out_Ri;
+    } fmt_addn;
+    struct { /* e.g. addn $u4,$Ri */
+      UINT f_u4;
+      SI * i_Ri;
+      unsigned char in_Ri;
+      unsigned char out_Ri;
+    } fmt_addni;
+    struct { /* e.g. addn2 $m4,$Ri */
+      SI f_m4;
+      SI * i_Ri;
+      unsigned char in_Ri;
+      unsigned char out_Ri;
+    } fmt_addn2;
+    struct { /* e.g. cmp $Rj,$Ri */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+    } fmt_cmp;
+    struct { /* e.g. cmp $u4,$Ri */
+      UINT f_u4;
+      SI * i_Ri;
+      unsigned char in_Ri;
+    } fmt_cmpi;
+    struct { /* e.g. cmp2 $m4,$Ri */
+      SI f_m4;
+      SI * i_Ri;
+      unsigned char in_Ri;
+    } fmt_cmp2;
+    struct { /* e.g. and $Rj,$Ri */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+      unsigned char out_Ri;
+    } fmt_and;
+    struct { /* e.g. and $Rj,@$Ri */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+    } fmt_andm;
+    struct { /* e.g. andh $Rj,@$Ri */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+    } fmt_andh;
+    struct { /* e.g. andb $Rj,@$Ri */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+    } fmt_andb;
+    struct { /* e.g. bandl $u4,@$Ri */
+      UINT f_u4;
+      SI * i_Ri;
+      unsigned char in_Ri;
+    } fmt_bandl;
+    struct { /* e.g. btstl $u4,@$Ri */
+      UINT f_u4;
+      SI * i_Ri;
+      unsigned char in_Ri;
+    } fmt_btstl;
+    struct { /* e.g. mul $Rj,$Ri */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+    } fmt_mul;
+    struct { /* e.g. mulu $Rj,$Ri */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+    } fmt_mulu;
+    struct { /* e.g. mulh $Rj,$Ri */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+    } fmt_mulh;
+    struct { /* e.g. div0s $Ri */
+      SI * i_Ri;
+      unsigned char in_Ri;
+    } fmt_div0s;
+    struct { /* e.g. div0u $Ri */
+      int empty;
+    } fmt_div0u;
+    struct { /* e.g. div1 $Ri */
+      SI * i_Ri;
+      unsigned char in_Ri;
+    } fmt_div1;
+    struct { /* e.g. div2 $Ri */
+      SI * i_Ri;
+      unsigned char in_Ri;
+    } fmt_div2;
+    struct { /* e.g. div3 */
+      int empty;
+    } fmt_div3;
+    struct { /* e.g. div4s */
+      int empty;
+    } fmt_div4s;
+    struct { /* e.g. lsl $Rj,$Ri */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+      unsigned char out_Ri;
+    } fmt_lsl;
+    struct { /* e.g. lsl $u4,$Ri */
+      UINT f_u4;
+      SI * i_Ri;
+      unsigned char in_Ri;
+      unsigned char out_Ri;
+    } fmt_lsli;
+    struct { /* e.g. ldi:8 $i8,$Ri */
+      UINT f_i8;
+      SI * i_Ri;
+      unsigned char out_Ri;
+    } fmt_ldi8;
+    struct { /* e.g. ldi:20 $i20,$Ri */
+      UINT f_i20;
+      SI * i_Ri;
+      unsigned char out_Ri;
+    } fmt_ldi20;
+    struct { /* e.g. ldi:32 $i32,$Ri */
+      UINT f_i32;
+      SI * i_Ri;
+      unsigned char out_Ri;
+    } fmt_ldi32;
+    struct { /* e.g. ld @$Rj,$Ri */
+      SI * i_Rj;
+      SI * i_Ri;
+      unsigned char in_Rj;
+      unsigned char out_Ri;
+    } fmt_ld;
+    struct { /* e.g. lduh @$Rj,$Ri */
+      SI * i_Rj;
+      SI * i_Ri;
+      unsigned char in_Rj;
+      unsigned char out_Ri;
+    } fmt_lduh;
+    struct { /* e.g. ldub @$Rj,$Ri */
+      SI * i_Rj;
+      SI * i_Ri;
+      unsigned char in_Rj;
+      unsigned char out_Ri;
+    } fmt_ldub;
+    struct { /* e.g. ld @($R13,$Rj),$Ri */
+      SI * i_Rj;
+      SI * i_Ri;
+      unsigned char in_Rj;
+      unsigned char in_h_gr_13;
+      unsigned char out_Ri;
+    } fmt_ldr13;
+    struct { /* e.g. lduh @($R13,$Rj),$Ri */
+      SI * i_Rj;
+      SI * i_Ri;
+      unsigned char in_Rj;
+      unsigned char in_h_gr_13;
+      unsigned char out_Ri;
+    } fmt_ldr13uh;
+    struct { /* e.g. ldub @($R13,$Rj),$Ri */
+      SI * i_Rj;
+      SI * i_Ri;
+      unsigned char in_Rj;
+      unsigned char in_h_gr_13;
+      unsigned char out_Ri;
+    } fmt_ldr13ub;
+    struct { /* e.g. ld @($R14,$disp10),$Ri */
+      SI f_disp10;
+      SI * i_Ri;
+      unsigned char in_h_gr_14;
+      unsigned char out_Ri;
+    } fmt_ldr14;
+    struct { /* e.g. lduh @($R14,$disp9),$Ri */
+      SI f_disp9;
+      SI * i_Ri;
+      unsigned char in_h_gr_14;
+      unsigned char out_Ri;
+    } fmt_ldr14uh;
+    struct { /* e.g. ldub @($R14,$disp8),$Ri */
+      INT f_disp8;
+      SI * i_Ri;
+      unsigned char in_h_gr_14;
+      unsigned char out_Ri;
+    } fmt_ldr14ub;
+    struct { /* e.g. ld @($R15,$udisp6),$Ri */
+      USI f_udisp6;
+      SI * i_Ri;
+      unsigned char in_h_gr_15;
+      unsigned char out_Ri;
+    } fmt_ldr15;
+    struct { /* e.g. ld @$R15+,$Ri */
+      UINT f_Ri;
+      SI * i_Ri;
+      unsigned char in_h_gr_15;
+      unsigned char out_Ri;
+      unsigned char out_h_gr_15;
+    } fmt_ldr15gr;
+    struct { /* e.g. ld @$R15+,$Rs2 */
+      UINT f_Rs2;
+      unsigned char in_h_gr_15;
+      unsigned char out_h_gr_15;
+    } fmt_ldr15dr;
+    struct { /* e.g. ld @$R15+,$ps */
+      int empty;
+      unsigned char in_h_gr_15;
+      unsigned char out_h_gr_15;
+    } fmt_ldr15ps;
+    struct { /* e.g. st $Ri,@$Rj */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+    } fmt_st;
+    struct { /* e.g. sth $Ri,@$Rj */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+    } fmt_sth;
+    struct { /* e.g. stb $Ri,@$Rj */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+    } fmt_stb;
+    struct { /* e.g. st $Ri,@($R13,$Rj) */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+      unsigned char in_h_gr_13;
+    } fmt_str13;
+    struct { /* e.g. sth $Ri,@($R13,$Rj) */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+      unsigned char in_h_gr_13;
+    } fmt_str13h;
+    struct { /* e.g. stb $Ri,@($R13,$Rj) */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+      unsigned char in_h_gr_13;
+    } fmt_str13b;
+    struct { /* e.g. st $Ri,@($R14,$disp10) */
+      SI f_disp10;
+      SI * i_Ri;
+      unsigned char in_Ri;
+      unsigned char in_h_gr_14;
+    } fmt_str14;
+    struct { /* e.g. sth $Ri,@($R14,$disp9) */
+      SI f_disp9;
+      SI * i_Ri;
+      unsigned char in_Ri;
+      unsigned char in_h_gr_14;
+    } fmt_str14h;
+    struct { /* e.g. stb $Ri,@($R14,$disp8) */
+      INT f_disp8;
+      SI * i_Ri;
+      unsigned char in_Ri;
+      unsigned char in_h_gr_14;
+    } fmt_str14b;
+    struct { /* e.g. st $Ri,@($R15,$udisp6) */
+      USI f_udisp6;
+      SI * i_Ri;
+      unsigned char in_Ri;
+      unsigned char in_h_gr_15;
+    } fmt_str15;
+    struct { /* e.g. st $Ri,@-$R15 */
+      SI * i_Ri;
+      unsigned char in_Ri;
+      unsigned char in_h_gr_15;
+      unsigned char out_h_gr_15;
+    } fmt_str15gr;
+    struct { /* e.g. st $Rs2,@-$R15 */
+      UINT f_Rs2;
+      unsigned char in_h_gr_15;
+      unsigned char out_h_gr_15;
+    } fmt_str15dr;
+    struct { /* e.g. st $ps,@-$R15 */
+      int empty;
+      unsigned char in_h_gr_15;
+      unsigned char out_h_gr_15;
+    } fmt_str15ps;
+    struct { /* e.g. mov $Rj,$Ri */
+      SI * i_Rj;
+      SI * i_Ri;
+      unsigned char in_Rj;
+      unsigned char out_Ri;
+    } fmt_mov;
+    struct { /* e.g. mov $Rs1,$Ri */
+      UINT f_Rs1;
+      SI * i_Ri;
+      unsigned char out_Ri;
+    } fmt_movdr;
+    struct { /* e.g. mov $ps,$Ri */
+      SI * i_Ri;
+      unsigned char out_Ri;
+    } fmt_movps;
+    struct { /* e.g. mov $Ri,$Rs1 */
+      UINT f_Rs1;
+      SI * i_Ri;
+      unsigned char in_Ri;
+    } fmt_mov2dr;
+    struct { /* e.g. mov $Ri,$ps */
+      SI * i_Ri;
+      unsigned char in_Ri;
+    } fmt_mov2ps;
+    struct { /* e.g. bno:d $label9 */
+      int empty;
+    } fmt_bnod;
+    struct { /* e.g. dmov $R13,@$dir10 */
+      USI f_dir10;
+      unsigned char in_h_gr_13;
+    } fmt_dmovr13;
+    struct { /* e.g. dmovh $R13,@$dir9 */
+      USI f_dir9;
+      unsigned char in_h_gr_13;
+    } fmt_dmovr13h;
+    struct { /* e.g. dmovb $R13,@$dir8 */
+      UINT f_dir8;
+      unsigned char in_h_gr_13;
+    } fmt_dmovr13b;
+    struct { /* e.g. dmov @$R13+,@$dir10 */
+      USI f_dir10;
+      unsigned char in_h_gr_13;
+      unsigned char out_h_gr_13;
+    } fmt_dmovr13pi;
+    struct { /* e.g. dmovh @$R13+,@$dir9 */
+      USI f_dir9;
+      unsigned char in_h_gr_13;
+      unsigned char out_h_gr_13;
+    } fmt_dmovr13pih;
+    struct { /* e.g. dmovb @$R13+,@$dir8 */
+      UINT f_dir8;
+      unsigned char in_h_gr_13;
+      unsigned char out_h_gr_13;
+    } fmt_dmovr13pib;
+    struct { /* e.g. dmov @$R15+,@$dir10 */
+      USI f_dir10;
+      unsigned char in_h_gr_15;
+      unsigned char out_h_gr_15;
+    } fmt_dmovr15pi;
+    struct { /* e.g. dmov @$dir10,$R13 */
+      USI f_dir10;
+      unsigned char out_h_gr_13;
+    } fmt_dmov2r13;
+    struct { /* e.g. dmovh @$dir9,$R13 */
+      USI f_dir9;
+      unsigned char out_h_gr_13;
+    } fmt_dmov2r13h;
+    struct { /* e.g. dmovb @$dir8,$R13 */
+      UINT f_dir8;
+      unsigned char out_h_gr_13;
+    } fmt_dmov2r13b;
+    struct { /* e.g. dmov @$dir10,@$R13+ */
+      USI f_dir10;
+      unsigned char in_h_gr_13;
+      unsigned char out_h_gr_13;
+    } fmt_dmov2r13pi;
+    struct { /* e.g. dmovh @$dir9,@$R13+ */
+      USI f_dir9;
+      unsigned char in_h_gr_13;
+      unsigned char out_h_gr_13;
+    } fmt_dmov2r13pih;
+    struct { /* e.g. dmovb @$dir8,@$R13+ */
+      UINT f_dir8;
+      unsigned char in_h_gr_13;
+      unsigned char out_h_gr_13;
+    } fmt_dmov2r13pib;
+    struct { /* e.g. dmov @$dir10,@-$R15 */
+      USI f_dir10;
+      unsigned char in_h_gr_15;
+      unsigned char out_h_gr_15;
+    } fmt_dmov2r15pd;
+    struct { /* e.g. ldres @$Ri+,$u4 */
+      SI * i_Ri;
+      unsigned char in_Ri;
+      unsigned char out_Ri;
+    } fmt_ldres;
+    struct { /* e.g. copop $u4c,$ccc,$CRj,$CRi */
+      int empty;
+    } fmt_copop;
+    struct { /* e.g. copld $u4c,$ccc,$Rjc,$CRi */
+      int empty;
+    } fmt_copld;
+    struct { /* e.g. copst $u4c,$ccc,$CRj,$Ric */
+      int empty;
+    } fmt_copst;
+    struct { /* e.g. nop */
+      int empty;
+    } fmt_nop;
+    struct { /* e.g. andccr $u8 */
+      UINT f_u8;
+    } fmt_andccr;
+    struct { /* e.g. stilm $u8 */
+      UINT f_u8;
+    } fmt_stilm;
+    struct { /* e.g. addsp $s10 */
+      SI f_s10;
+      unsigned char in_h_gr_15;
+      unsigned char out_h_gr_15;
+    } fmt_addsp;
+    struct { /* e.g. extsb $Ri */
+      SI * i_Ri;
+      unsigned char in_Ri;
+      unsigned char out_Ri;
+    } fmt_extsb;
+    struct { /* e.g. extub $Ri */
+      SI * i_Ri;
+      unsigned char in_Ri;
+      unsigned char out_Ri;
+    } fmt_extub;
+    struct { /* e.g. extsh $Ri */
+      SI * i_Ri;
+      unsigned char in_Ri;
+      unsigned char out_Ri;
+    } fmt_extsh;
+    struct { /* e.g. extuh $Ri */
+      SI * i_Ri;
+      unsigned char in_Ri;
+      unsigned char out_Ri;
+    } fmt_extuh;
+    struct { /* e.g. ldm0 ($reglist_low_ld) */
+      UINT f_reglist_low_ld;
+      unsigned char in_h_gr_15;
+      unsigned char out_h_gr_0;
+      unsigned char out_h_gr_1;
+      unsigned char out_h_gr_15;
+      unsigned char out_h_gr_2;
+      unsigned char out_h_gr_3;
+      unsigned char out_h_gr_4;
+      unsigned char out_h_gr_5;
+      unsigned char out_h_gr_6;
+      unsigned char out_h_gr_7;
+    } fmt_ldm0;
+    struct { /* e.g. ldm1 ($reglist_hi_ld) */
+      UINT f_reglist_hi_ld;
+      unsigned char in_h_gr_15;
+      unsigned char out_h_gr_10;
+      unsigned char out_h_gr_11;
+      unsigned char out_h_gr_12;
+      unsigned char out_h_gr_13;
+      unsigned char out_h_gr_14;
+      unsigned char out_h_gr_15;
+      unsigned char out_h_gr_8;
+      unsigned char out_h_gr_9;
+    } fmt_ldm1;
+    struct { /* e.g. stm0 ($reglist_low_st) */
+      UINT f_reglist_low_st;
+      unsigned char in_h_gr_0;
+      unsigned char in_h_gr_1;
+      unsigned char in_h_gr_15;
+      unsigned char in_h_gr_2;
+      unsigned char in_h_gr_3;
+      unsigned char in_h_gr_4;
+      unsigned char in_h_gr_5;
+      unsigned char in_h_gr_6;
+      unsigned char in_h_gr_7;
+      unsigned char out_h_gr_15;
+    } fmt_stm0;
+    struct { /* e.g. stm1 ($reglist_hi_st) */
+      UINT f_reglist_hi_st;
+      unsigned char in_h_gr_10;
+      unsigned char in_h_gr_11;
+      unsigned char in_h_gr_12;
+      unsigned char in_h_gr_13;
+      unsigned char in_h_gr_14;
+      unsigned char in_h_gr_15;
+      unsigned char in_h_gr_8;
+      unsigned char in_h_gr_9;
+      unsigned char out_h_gr_15;
+    } fmt_stm1;
+    struct { /* e.g. enter $u10 */
+      USI f_u10;
+      unsigned char in_h_gr_14;
+      unsigned char in_h_gr_15;
+      unsigned char out_h_gr_14;
+      unsigned char out_h_gr_15;
+    } fmt_enter;
+    struct { /* e.g. leave */
+      int empty;
+      unsigned char in_h_gr_14;
+      unsigned char in_h_gr_15;
+      unsigned char out_h_gr_14;
+      unsigned char out_h_gr_15;
+    } fmt_leave;
+    struct { /* e.g. xchb @$Rj,$Ri */
+      SI * i_Ri;
+      SI * i_Rj;
+      unsigned char in_Ri;
+      unsigned char in_Rj;
+      unsigned char out_Ri;
+    } fmt_xchb;
+  /* cti insns, kept separately so addr_cache is in fixed place */
+  struct {
+    union {
+    struct { /* e.g. jmp @$Ri */
+      SI * i_Ri;
+      unsigned char in_Ri;
+    } fmt_jmp;
+    struct { /* e.g. call @$Ri */
+      SI * i_Ri;
+      unsigned char in_Ri;
+    } fmt_callr;
+    struct { /* e.g. call $label12 */
+      IADDR i_label12;
+    } fmt_call;
+    struct { /* e.g. ret */
+      int empty;
+    } fmt_ret;
+    struct { /* e.g. int $u8 */
+      UINT f_u8;
+    } fmt_int;
+    struct { /* e.g. inte */
+      int empty;
+    } fmt_inte;
+    struct { /* e.g. reti */
+      int empty;
+    } fmt_reti;
+    struct { /* e.g. bra:d $label9 */
+      IADDR i_label9;
+    } fmt_brad;
+    struct { /* e.g. beq:d $label9 */
+      IADDR i_label9;
+    } fmt_beqd;
+    struct { /* e.g. bc:d $label9 */
+      IADDR i_label9;
+    } fmt_bcd;
+    struct { /* e.g. bn:d $label9 */
+      IADDR i_label9;
+    } fmt_bnd;
+    struct { /* e.g. bv:d $label9 */
+      IADDR i_label9;
+    } fmt_bvd;
+    struct { /* e.g. blt:d $label9 */
+      IADDR i_label9;
+    } fmt_bltd;
+    struct { /* e.g. ble:d $label9 */
+      IADDR i_label9;
+    } fmt_bled;
+    struct { /* e.g. bls:d $label9 */
+      IADDR i_label9;
+    } fmt_blsd;
+    } fields;
+#if WITH_SCACHE_PBB
+    SEM_PC addr_cache;
+#endif
+  } cti;
+#if WITH_SCACHE_PBB
+  /* Writeback handler.  */
+  struct {
+    /* Pointer to argbuf entry for insn whose results need writing back.  */
+    const struct argbuf *abuf;
+  } write;
+  /* x-before handler */
+  struct {
+    /*const SCACHE *insns[MAX_PARALLEL_INSNS];*/
+    int first_p;
+  } before;
+  /* x-after handler */
+  struct {
+    int empty;
+  } after;
+  /* This entry is used to terminate each pbb.  */
+  struct {
+    /* Number of insns in pbb.  */
+    int insn_count;
+    /* Next pbb to execute.  */
+    SCACHE *next;
+  } chain;
+#endif
+};
+
+/* The ARGBUF struct.  */
+struct argbuf {
+  /* These are the baseclass definitions.  */
+  IADDR addr;
+  const IDESC *idesc;
+  char trace_p;
+  char profile_p;
+  /* cpu specific data follows */
+  union sem semantic;
+  int written;
+  union sem_fields fields;
+};
+
+/* A cached insn.
+
+   ??? SCACHE used to contain more than just argbuf.  We could delete the
+   type entirely and always just use ARGBUF, but for future concerns and as
+   a level of abstraction it is left in.  */
+
+struct scache {
+  struct argbuf argbuf;
+};
+
+/* Macros to simplify extraction, reading and semantic code.
+   These define and assign the local vars that contain the insn's fields.  */
+
+#define EXTRACT_IFMT_EMPTY_VARS \
+  /* Instruction fields.  */ \
+  unsigned int length;
+#define EXTRACT_IFMT_EMPTY_CODE \
+  length = 0; \
+
+#define EXTRACT_IFMT_ADD_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  UINT f_Rj; \
+  UINT f_Ri; \
+  unsigned int length;
+#define EXTRACT_IFMT_ADD_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_Rj = EXTRACT_UINT (insn, 16, 8, 4); \
+  f_Ri = EXTRACT_UINT (insn, 16, 12, 4); \
+
+#define EXTRACT_IFMT_ADDI_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  UINT f_u4; \
+  UINT f_Ri; \
+  unsigned int length;
+#define EXTRACT_IFMT_ADDI_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_u4 = EXTRACT_UINT (insn, 16, 8, 4); \
+  f_Ri = EXTRACT_UINT (insn, 16, 12, 4); \
+
+#define EXTRACT_IFMT_ADD2_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  SI f_m4; \
+  UINT f_Ri; \
+  unsigned int length;
+#define EXTRACT_IFMT_ADD2_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_m4 = ((EXTRACT_UINT (insn, 16, 8, 4)) | (((-1) << (4)))); \
+  f_Ri = EXTRACT_UINT (insn, 16, 12, 4); \
+
+#define EXTRACT_IFMT_DIV0S_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  UINT f_op3; \
+  UINT f_Ri; \
+  unsigned int length;
+#define EXTRACT_IFMT_DIV0S_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_op3 = EXTRACT_UINT (insn, 16, 8, 4); \
+  f_Ri = EXTRACT_UINT (insn, 16, 12, 4); \
+
+#define EXTRACT_IFMT_DIV3_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  UINT f_op3; \
+  UINT f_op4; \
+  unsigned int length;
+#define EXTRACT_IFMT_DIV3_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_op3 = EXTRACT_UINT (insn, 16, 8, 4); \
+  f_op4 = EXTRACT_UINT (insn, 16, 12, 4); \
+
+#define EXTRACT_IFMT_LDI8_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_i8; \
+  UINT f_Ri; \
+  unsigned int length;
+#define EXTRACT_IFMT_LDI8_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_i8 = EXTRACT_UINT (insn, 16, 4, 8); \
+  f_Ri = EXTRACT_UINT (insn, 16, 12, 4); \
+
+#define EXTRACT_IFMT_LDI20_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_i20; \
+  UINT f_i20_4; \
+  UINT f_i20_16; \
+  UINT f_op2; \
+  UINT f_Ri; \
+  /* Contents of trailing part of insn.  */ \
+  UINT word_1; \
+  unsigned int length;
+#define EXTRACT_IFMT_LDI20_CODE \
+  length = 4; \
+  word_1 = GETIMEMUHI (current_cpu, pc + 2); \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_i20_4 = EXTRACT_UINT (insn, 16, 8, 4); \
+  f_i20_16 = (0|(EXTRACT_UINT (word_1, 16, 0, 16) << 0)); \
+do {\
+  f_i20 = ((((f_i20_4) << (16))) | (f_i20_16));\
+} while (0);\
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_Ri = EXTRACT_UINT (insn, 16, 12, 4); \
+
+#define EXTRACT_IFMT_LDI32_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_i32; \
+  UINT f_op2; \
+  UINT f_op3; \
+  UINT f_Ri; \
+  /* Contents of trailing part of insn.  */ \
+  UINT word_1; \
+  unsigned int length;
+#define EXTRACT_IFMT_LDI32_CODE \
+  length = 6; \
+  word_1 = GETIMEMUSI (current_cpu, pc + 2); \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_i32 = (0|(EXTRACT_UINT (word_1, 32, 0, 32) << 0)); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_op3 = EXTRACT_UINT (insn, 16, 8, 4); \
+  f_Ri = EXTRACT_UINT (insn, 16, 12, 4); \
+
+#define EXTRACT_IFMT_LDR14_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  SI f_disp10; \
+  UINT f_Ri; \
+  unsigned int length;
+#define EXTRACT_IFMT_LDR14_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_disp10 = ((EXTRACT_INT (insn, 16, 4, 8)) << (2)); \
+  f_Ri = EXTRACT_UINT (insn, 16, 12, 4); \
+
+#define EXTRACT_IFMT_LDR14UH_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  SI f_disp9; \
+  UINT f_Ri; \
+  unsigned int length;
+#define EXTRACT_IFMT_LDR14UH_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_disp9 = ((EXTRACT_INT (insn, 16, 4, 8)) << (1)); \
+  f_Ri = EXTRACT_UINT (insn, 16, 12, 4); \
+
+#define EXTRACT_IFMT_LDR14UB_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  INT f_disp8; \
+  UINT f_Ri; \
+  unsigned int length;
+#define EXTRACT_IFMT_LDR14UB_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_disp8 = EXTRACT_INT (insn, 16, 4, 8); \
+  f_Ri = EXTRACT_UINT (insn, 16, 12, 4); \
+
+#define EXTRACT_IFMT_LDR15_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  USI f_udisp6; \
+  UINT f_Ri; \
+  unsigned int length;
+#define EXTRACT_IFMT_LDR15_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_udisp6 = ((EXTRACT_UINT (insn, 16, 8, 4)) << (2)); \
+  f_Ri = EXTRACT_UINT (insn, 16, 12, 4); \
+
+#define EXTRACT_IFMT_LDR15DR_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  UINT f_op3; \
+  UINT f_Rs2; \
+  unsigned int length;
+#define EXTRACT_IFMT_LDR15DR_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_op3 = EXTRACT_UINT (insn, 16, 8, 4); \
+  f_Rs2 = EXTRACT_UINT (insn, 16, 12, 4); \
+
+#define EXTRACT_IFMT_MOVDR_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  UINT f_Rs1; \
+  UINT f_Ri; \
+  unsigned int length;
+#define EXTRACT_IFMT_MOVDR_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_Rs1 = EXTRACT_UINT (insn, 16, 8, 4); \
+  f_Ri = EXTRACT_UINT (insn, 16, 12, 4); \
+
+#define EXTRACT_IFMT_CALL_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op5; \
+  SI f_rel12; \
+  unsigned int length;
+#define EXTRACT_IFMT_CALL_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op5 = EXTRACT_UINT (insn, 16, 4, 1); \
+  f_rel12 = ((((EXTRACT_INT (insn, 16, 5, 11)) << (1))) + (((pc) + (2)))); \
+
+#define EXTRACT_IFMT_INT_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  UINT f_u8; \
+  unsigned int length;
+#define EXTRACT_IFMT_INT_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_u8 = EXTRACT_UINT (insn, 16, 8, 8); \
+
+#define EXTRACT_IFMT_BRAD_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_cc; \
+  SI f_rel9; \
+  unsigned int length;
+#define EXTRACT_IFMT_BRAD_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_cc = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_rel9 = ((((EXTRACT_INT (insn, 16, 8, 8)) << (1))) + (((pc) + (2)))); \
+
+#define EXTRACT_IFMT_DMOVR13_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  USI f_dir10; \
+  unsigned int length;
+#define EXTRACT_IFMT_DMOVR13_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_dir10 = ((EXTRACT_UINT (insn, 16, 8, 8)) << (2)); \
+
+#define EXTRACT_IFMT_DMOVR13H_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  USI f_dir9; \
+  unsigned int length;
+#define EXTRACT_IFMT_DMOVR13H_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_dir9 = ((EXTRACT_UINT (insn, 16, 8, 8)) << (1)); \
+
+#define EXTRACT_IFMT_DMOVR13B_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  UINT f_dir8; \
+  unsigned int length;
+#define EXTRACT_IFMT_DMOVR13B_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_dir8 = EXTRACT_UINT (insn, 16, 8, 8); \
+
+#define EXTRACT_IFMT_COPOP_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_ccc; \
+  UINT f_op2; \
+  UINT f_op3; \
+  UINT f_CRj; \
+  UINT f_u4c; \
+  UINT f_CRi; \
+  /* Contents of trailing part of insn.  */ \
+  UINT word_1; \
+  unsigned int length;
+#define EXTRACT_IFMT_COPOP_CODE \
+  length = 4; \
+  word_1 = GETIMEMUHI (current_cpu, pc + 2); \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_ccc = (0|(EXTRACT_UINT (word_1, 16, 0, 8) << 0)); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_op3 = EXTRACT_UINT (insn, 16, 8, 4); \
+  f_CRj = (0|(EXTRACT_UINT (word_1, 16, 8, 4) << 0)); \
+  f_u4c = EXTRACT_UINT (insn, 16, 12, 4); \
+  f_CRi = (0|(EXTRACT_UINT (word_1, 16, 12, 16) << 0)); \
+
+#define EXTRACT_IFMT_COPLD_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_ccc; \
+  UINT f_op2; \
+  UINT f_op3; \
+  UINT f_Rjc; \
+  UINT f_u4c; \
+  UINT f_CRi; \
+  /* Contents of trailing part of insn.  */ \
+  UINT word_1; \
+  unsigned int length;
+#define EXTRACT_IFMT_COPLD_CODE \
+  length = 4; \
+  word_1 = GETIMEMUHI (current_cpu, pc + 2); \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_ccc = (0|(EXTRACT_UINT (word_1, 16, 0, 8) << 0)); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_op3 = EXTRACT_UINT (insn, 16, 8, 4); \
+  f_Rjc = (0|(EXTRACT_UINT (word_1, 16, 8, 4) << 0)); \
+  f_u4c = EXTRACT_UINT (insn, 16, 12, 4); \
+  f_CRi = (0|(EXTRACT_UINT (word_1, 16, 12, 16) << 0)); \
+
+#define EXTRACT_IFMT_COPST_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_ccc; \
+  UINT f_op2; \
+  UINT f_op3; \
+  UINT f_CRj; \
+  UINT f_u4c; \
+  UINT f_Ric; \
+  /* Contents of trailing part of insn.  */ \
+  UINT word_1; \
+  unsigned int length;
+#define EXTRACT_IFMT_COPST_CODE \
+  length = 4; \
+  word_1 = GETIMEMUHI (current_cpu, pc + 2); \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_ccc = (0|(EXTRACT_UINT (word_1, 16, 0, 8) << 0)); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_op3 = EXTRACT_UINT (insn, 16, 8, 4); \
+  f_CRj = (0|(EXTRACT_UINT (word_1, 16, 8, 4) << 0)); \
+  f_u4c = EXTRACT_UINT (insn, 16, 12, 4); \
+  f_Ric = (0|(EXTRACT_UINT (word_1, 16, 12, 16) << 0)); \
+
+#define EXTRACT_IFMT_ADDSP_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  SI f_s10; \
+  unsigned int length;
+#define EXTRACT_IFMT_ADDSP_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_s10 = ((EXTRACT_INT (insn, 16, 8, 8)) << (2)); \
+
+#define EXTRACT_IFMT_LDM0_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  UINT f_reglist_low_ld; \
+  unsigned int length;
+#define EXTRACT_IFMT_LDM0_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_reglist_low_ld = EXTRACT_UINT (insn, 16, 8, 8); \
+
+#define EXTRACT_IFMT_LDM1_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  UINT f_reglist_hi_ld; \
+  unsigned int length;
+#define EXTRACT_IFMT_LDM1_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_reglist_hi_ld = EXTRACT_UINT (insn, 16, 8, 8); \
+
+#define EXTRACT_IFMT_STM0_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  UINT f_reglist_low_st; \
+  unsigned int length;
+#define EXTRACT_IFMT_STM0_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_reglist_low_st = EXTRACT_UINT (insn, 16, 8, 8); \
+
+#define EXTRACT_IFMT_STM1_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  UINT f_reglist_hi_st; \
+  unsigned int length;
+#define EXTRACT_IFMT_STM1_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_reglist_hi_st = EXTRACT_UINT (insn, 16, 8, 8); \
+
+#define EXTRACT_IFMT_ENTER_VARS \
+  /* Instruction fields.  */ \
+  UINT f_op1; \
+  UINT f_op2; \
+  USI f_u10; \
+  unsigned int length;
+#define EXTRACT_IFMT_ENTER_CODE \
+  length = 2; \
+  f_op1 = EXTRACT_UINT (insn, 16, 0, 4); \
+  f_op2 = EXTRACT_UINT (insn, 16, 4, 4); \
+  f_u10 = ((EXTRACT_UINT (insn, 16, 8, 8)) << (2)); \
+
+/* Collection of various things for the trace handler to use.  */
+
+typedef struct trace_record {
+  IADDR pc;
+  /* FIXME:wip */
+} TRACE_RECORD;
+
+#endif /* CPU_FR30BF_H */