opcodes: blackfin: push down global state

The variables used to track insn state should be pushed down into the
private_data structure to avoid pollution across calls.

This also happens to fix the output when hitting comments/invalid insns
which needs to tweak a gas test.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

2 files changed, 83 insertions, 43 deletions

diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 48db533..4e7c93a 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,5 +1,19 @@
 2014-08-13  Mike Frysinger  <vapier@gentoo.org>
 
+	* bfin-dis.c (comment, parallel): Move from global scope ...
+	(struct private): ... to this new struct.
+	(decode_ProgCtrl_0, decode_CaCTRL_0, decode_PushPopReg_0,
+	decode_PushPopMultiple_0, decode_ccMV_0, decode_CCflag_0,
+	decode_CC2dreg_0, decode_CC2stat_0, decode_BRCC_0, decode_UJUMP_0,
+	decode_LOGI2op_0, decode_COMPI2opD_0, decode_COMPI2opP_0,
+	decode_dagMODik_0, decode_LoopSetup_0, decode_LDIMMhalf_0,
+	decode_CALLa_0, decode_linkage_0, decode_pseudoDEBUG_0,
+	decode_pseudoOChar_0, decode_pseudodbg_assert_0, _print_insn_bfin,
+	print_insn_bfin): Declare private struct.  Use priv's comment and
+	parallel members.
+
+2014-08-13  Mike Frysinger  <vapier@gentoo.org>
+
 	* bfin-dis.c (ifetch): Do not align pc to 2 bytes.
 	(_print_insn_bfin): Add check for unaligned pc.
 
diff --git a/opcodes/bfin-dis.c b/opcodes/bfin-dis.c
index 8cc4604..b8bc087 100644
--- a/opcodes/bfin-dis.c
+++ b/opcodes/bfin-dis.c
@@ -42,8 +42,10 @@ typedef long TIword;
 
 typedef unsigned int bu32;
 
-static char comment = 0;
-static char parallel = 0;
+struct private
+{
+  int comment, parallel;
+};
 
 typedef enum
 {
@@ -713,6 +715,7 @@ get_allreg (int grp, int reg)
 static int
 decode_ProgCtrl_0 (TIword iw0, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* ProgCtrl
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |.prgfunc.......|.poprnd........|
@@ -722,7 +725,7 @@ decode_ProgCtrl_0 (TIword iw0, disassemble_info *outf)
 
   if (prgfunc == 0 && poprnd == 0)
     OUTS (outf, "NOP");
-  else if (parallel)
+  else if (priv->parallel)
     return 0;
   else if (prgfunc == 1 && poprnd == 0)
     OUTS (outf, "RTS");
@@ -800,6 +803,7 @@ decode_ProgCtrl_0 (TIword iw0, disassemble_info *outf)
 static int
 decode_CaCTRL_0 (TIword iw0, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* CaCTRL
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |.a.|.op....|.reg.......|
@@ -808,7 +812,7 @@ decode_CaCTRL_0 (TIword iw0, disassemble_info *outf)
   int op  = ((iw0 >> CaCTRL_op_bits) & CaCTRL_op_mask);
   int reg = ((iw0 >> CaCTRL_reg_bits) & CaCTRL_reg_mask);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   if (a == 0 && op == 0)
@@ -867,6 +871,7 @@ decode_CaCTRL_0 (TIword iw0, disassemble_info *outf)
 static int
 decode_PushPopReg_0 (TIword iw0, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* PushPopReg
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |.W.|.grp.......|.reg.......|
@@ -875,7 +880,7 @@ decode_PushPopReg_0 (TIword iw0, disassemble_info *outf)
   int grp = ((iw0 >> PushPopReg_grp_bits) & PushPopReg_grp_mask);
   int reg = ((iw0 >> PushPopReg_reg_bits) & PushPopReg_reg_mask);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   if (W == 0 && mostreg (reg, grp))
@@ -896,6 +901,7 @@ decode_PushPopReg_0 (TIword iw0, disassemble_info *outf)
 static int
 decode_PushPopMultiple_0 (TIword iw0, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* PushPopMultiple
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 0 | 0 | 0 | 0 | 0 | 1 | 0 |.d.|.p.|.W.|.dr........|.pr........|
@@ -906,7 +912,7 @@ decode_PushPopMultiple_0 (TIword iw0, disassemble_info *outf)
   int dr = ((iw0 >> PushPopMultiple_dr_bits) & PushPopMultiple_dr_mask);
   int pr = ((iw0 >> PushPopMultiple_pr_bits) & PushPopMultiple_pr_mask);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   if (pr > 5)
@@ -960,6 +966,7 @@ decode_PushPopMultiple_0 (TIword iw0, disassemble_info *outf)
 static int
 decode_ccMV_0 (TIword iw0, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* ccMV
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 0 | 0 | 0 | 0 | 0 | 1 | 1 |.T.|.d.|.s.|.dst.......|.src.......|
@@ -970,7 +977,7 @@ decode_ccMV_0 (TIword iw0, disassemble_info *outf)
   int src = ((iw0 >> CCmv_src_bits) & CCmv_src_mask);
   int dst = ((iw0 >> CCmv_dst_bits) & CCmv_dst_mask);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   if (T == 1)
@@ -995,6 +1002,7 @@ decode_ccMV_0 (TIword iw0, disassemble_info *outf)
 static int
 decode_CCflag_0 (TIword iw0, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* CCflag
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 0 | 0 | 0 | 0 | 1 |.I.|.opc.......|.G.|.y.........|.x.........|
@@ -1005,7 +1013,7 @@ decode_CCflag_0 (TIword iw0, disassemble_info *outf)
   int G = ((iw0 >> CCflag_G_bits) & CCflag_G_mask);
   int opc = ((iw0 >> CCflag_opc_bits) & CCflag_opc_mask);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   if (opc == 0 && I == 0 && G == 0)
@@ -1173,6 +1181,7 @@ decode_CCflag_0 (TIword iw0, disassemble_info *outf)
 static int
 decode_CC2dreg_0 (TIword iw0, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* CC2dreg
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |.op....|.reg.......|
@@ -1180,7 +1189,7 @@ decode_CC2dreg_0 (TIword iw0, disassemble_info *outf)
   int op  = ((iw0 >> CC2dreg_op_bits) & CC2dreg_op_mask);
   int reg = ((iw0 >> CC2dreg_reg_bits) & CC2dreg_reg_mask);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   if (op == 0)
@@ -1204,6 +1213,7 @@ decode_CC2dreg_0 (TIword iw0, disassemble_info *outf)
 static int
 decode_CC2stat_0 (TIword iw0, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* CC2stat
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |.D.|.op....|.cbit..............|
@@ -1214,7 +1224,7 @@ decode_CC2stat_0 (TIword iw0, disassemble_info *outf)
 
   const char *bitname = statbits (cbit);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   if (decode_statbits[cbit] == REG_LASTREG)
@@ -1279,6 +1289,7 @@ decode_CC2stat_0 (TIword iw0, disassemble_info *outf)
 static int
 decode_BRCC_0 (TIword iw0, bfd_vma pc, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* BRCC
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 0 | 0 | 0 | 1 |.T.|.B.|.offset................................|
@@ -1287,7 +1298,7 @@ decode_BRCC_0 (TIword iw0, bfd_vma pc, disassemble_info *outf)
   int T = ((iw0 >> BRCC_T_bits) & BRCC_T_mask);
   int offset = ((iw0 >> BRCC_offset_bits) & BRCC_offset_mask);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   if (T == 1 && B == 1)
@@ -1321,13 +1332,14 @@ decode_BRCC_0 (TIword iw0, bfd_vma pc, disassemble_info *outf)
 static int
 decode_UJUMP_0 (TIword iw0, bfd_vma pc, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* UJUMP
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 0 | 0 | 1 | 0 |.offset........................................|
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+  */
   int offset = ((iw0 >> UJump_offset_bits) & UJump_offset_mask);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   OUTS (outf, "JUMP.S 0x");
@@ -1571,6 +1583,7 @@ decode_PTR2op_0 (TIword iw0, disassemble_info *outf)
 static int
 decode_LOGI2op_0 (TIword iw0, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* LOGI2op
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 0 | 1 | 0 | 0 | 1 |.opc.......|.src...............|.dst.......|
@@ -1579,7 +1592,7 @@ decode_LOGI2op_0 (TIword iw0, disassemble_info *outf)
   int opc = ((iw0 >> LOGI2op_opc_bits) & LOGI2op_opc_mask);
   int dst = ((iw0 >> LOGI2op_dst_bits) & LOGI2op_dst_mask);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   if (opc == 0)
@@ -1591,7 +1604,7 @@ decode_LOGI2op_0 (TIword iw0, disassemble_info *outf)
       OUTS (outf, ");\t\t/* bit");
       OUTS (outf, imm7d (src));
       OUTS (outf, " */");
-      comment = 1;
+      priv->comment = 1;
     }
   else if (opc == 1)
     {
@@ -1602,7 +1615,7 @@ decode_LOGI2op_0 (TIword iw0, disassemble_info *outf)
       OUTS (outf, ");\t\t/* bit");
       OUTS (outf, imm7d (src));
       OUTS (outf, " */");
-      comment = 1;
+      priv->comment = 1;
     }
   else if (opc == 2)
     {
@@ -1613,7 +1626,7 @@ decode_LOGI2op_0 (TIword iw0, disassemble_info *outf)
       OUTS (outf, ");\t\t/* bit");
       OUTS (outf, imm7d (src));
       OUTS (outf, " */");
-      comment = 1;
+      priv->comment = 1;
     }
   else if (opc == 3)
     {
@@ -1624,7 +1637,7 @@ decode_LOGI2op_0 (TIword iw0, disassemble_info *outf)
       OUTS (outf, ");\t\t/* bit");
       OUTS (outf, imm7d (src));
       OUTS (outf, " */");
-      comment = 1;
+      priv->comment = 1;
     }
   else if (opc == 4)
     {
@@ -1635,7 +1648,7 @@ decode_LOGI2op_0 (TIword iw0, disassemble_info *outf)
       OUTS (outf, ");\t\t/* bit");
       OUTS (outf, imm7d (src));
       OUTS (outf, " */");
-      comment = 1;
+      priv->comment = 1;
     }
   else if (opc == 5)
     {
@@ -1755,6 +1768,7 @@ decode_COMP3op_0 (TIword iw0, disassemble_info *outf)
 static int
 decode_COMPI2opD_0 (TIword iw0, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* COMPI2opD
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 0 | 1 | 1 | 0 | 0 |.op|..src......................|.dst.......|
@@ -1765,7 +1779,7 @@ decode_COMPI2opD_0 (TIword iw0, disassemble_info *outf)
 
   bu32 *pval = get_allreg (0, dst);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   /* Since we don't have 32-bit immediate loads, we allow the disassembler
@@ -1792,7 +1806,7 @@ decode_COMPI2opD_0 (TIword iw0, disassemble_info *outf)
       OUTS (outf, "(");
       OUTS (outf, imm32 (*pval));
       OUTS (outf, ") */");
-      comment = 1;
+      priv->comment = 1;
     }
   else if (op == 1)
     {
@@ -1802,7 +1816,7 @@ decode_COMPI2opD_0 (TIword iw0, disassemble_info *outf)
       OUTS (outf, ";\t\t/* (");
       OUTS (outf, imm7d (src));
       OUTS (outf, ") */");
-      comment = 1;
+      priv->comment = 1;
     }
   else
     return 0;
@@ -1813,6 +1827,7 @@ decode_COMPI2opD_0 (TIword iw0, disassemble_info *outf)
 static int
 decode_COMPI2opP_0 (TIword iw0, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* COMPI2opP
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 0 | 1 | 1 | 0 | 1 |.op|.src.......................|.dst.......|
@@ -1823,7 +1838,7 @@ decode_COMPI2opP_0 (TIword iw0, disassemble_info *outf)
 
   bu32 *pval = get_allreg (1, dst);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   if (op == 0)
@@ -1847,7 +1862,7 @@ decode_COMPI2opP_0 (TIword iw0, disassemble_info *outf)
       OUTS (outf, "(");
       OUTS (outf, imm32 (*pval));
       OUTS (outf, ") */");
-      comment = 1;
+      priv->comment = 1;
     }
   else if (op == 1)
     {
@@ -1857,7 +1872,7 @@ decode_COMPI2opP_0 (TIword iw0, disassemble_info *outf)
       OUTS (outf, ";\t\t/* (");
       OUTS (outf, imm7d (src));
       OUTS (outf, ") */");
-      comment = 1;
+      priv->comment = 1;
     }
   else
     return 0;
@@ -2024,6 +2039,7 @@ decode_dagMODim_0 (TIword iw0, disassemble_info *outf)
 static int
 decode_dagMODik_0 (TIword iw0, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* dagMODik
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 |.op....|.i.....|
@@ -2054,7 +2070,7 @@ decode_dagMODik_0 (TIword iw0, disassemble_info *outf)
   else
     return 0;
 
-  if (! parallel)
+  if (!priv->parallel)
     {
       OUTS (outf, ";\t\t/* (  ");
       if (op == 0 || op == 1)
@@ -2062,7 +2078,7 @@ decode_dagMODik_0 (TIword iw0, disassemble_info *outf)
       else if (op == 2 || op == 3)
 	OUTS (outf, "4");
       OUTS (outf, ") */");
-      comment = 1;
+      priv->comment = 1;
     }
 
   return 2;
@@ -2577,6 +2593,7 @@ decode_LDSTii_0 (TIword iw0, disassemble_info *outf)
 static int
 decode_LoopSetup_0 (TIword iw0, TIword iw1, bfd_vma pc, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* LoopSetup
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |.rop...|.c.|.soffset.......|
@@ -2588,7 +2605,7 @@ decode_LoopSetup_0 (TIword iw0, TIword iw1, bfd_vma pc, disassemble_info *outf)
   int soffset = ((iw0 >> (LoopSetup_soffset_bits - 16)) & LoopSetup_soffset_mask);
   int eoffset = ((iw1 >> LoopSetup_eoffset_bits) & LoopSetup_eoffset_mask);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   if (reg > 7)
@@ -2638,6 +2655,7 @@ decode_LoopSetup_0 (TIword iw0, TIword iw1, bfd_vma pc, disassemble_info *outf)
 static int
 decode_LDIMMhalf_0 (TIword iw0, TIword iw1, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* LDIMMhalf
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 |.Z.|.H.|.S.|.grp...|.reg.......|
@@ -2652,7 +2670,7 @@ decode_LDIMMhalf_0 (TIword iw0, TIword iw1, disassemble_info *outf)
 
   bu32 *pval = get_allreg (grp, reg);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   /* Since we don't have 32-bit immediate loads, we allow the disassembler
@@ -2760,7 +2778,7 @@ decode_LDIMMhalf_0 (TIword iw0, TIword iw1, disassemble_info *outf)
 	}
 
       OUTS (outf, " */");
-      comment = 1;
+      priv->comment = 1;
     }
   if (S == 1 || Z == 1)
     {
@@ -2771,7 +2789,7 @@ decode_LDIMMhalf_0 (TIword iw0, TIword iw1, disassemble_info *outf)
       OUTS (outf, "(");
       OUTS (outf, imm32 (*pval));
       OUTS (outf, ") */");
-      comment = 1;
+      priv->comment = 1;
     }
   return 4;
 }
@@ -2779,6 +2797,7 @@ decode_LDIMMhalf_0 (TIword iw0, TIword iw1, disassemble_info *outf)
 static int
 decode_CALLa_0 (TIword iw0, TIword iw1, bfd_vma pc, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* CALLa
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 1 | 1 | 1 | 0 | 0 | 0 | 1 |.S.|.msw...........................|
@@ -2788,7 +2807,7 @@ decode_CALLa_0 (TIword iw0, TIword iw1, bfd_vma pc, disassemble_info *outf)
   int lsw = ((iw1 >> 0) & 0xffff);
   int msw = ((iw0 >> 0) & 0xff);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   if (S == 1)
@@ -2916,6 +2935,7 @@ decode_LDSTidxI_0 (TIword iw0, TIword iw1, disassemble_info *outf)
 static int
 decode_linkage_0 (TIword iw0, TIword iw1, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* linkage
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |.R.|
@@ -2924,7 +2944,7 @@ decode_linkage_0 (TIword iw0, TIword iw1, disassemble_info *outf)
   int R = ((iw0 >> (Linkage_R_bits - 16)) & Linkage_R_mask);
   int framesize = ((iw1 >> Linkage_framesize_bits) & Linkage_framesize_mask);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   if (R == 0)
@@ -2934,7 +2954,7 @@ decode_linkage_0 (TIword iw0, TIword iw1, disassemble_info *outf)
       OUTS (outf, ";\t\t/* (");
       OUTS (outf, uimm16s4d (framesize));
       OUTS (outf, ") */");
-      comment = 1;
+      priv->comment = 1;
     }
   else if (R == 1)
     OUTS (outf, "UNLINK");
@@ -4512,6 +4532,7 @@ decode_dsp32shiftimm_0 (TIword iw0, TIword iw1, disassemble_info *outf)
 static int
 decode_pseudoDEBUG_0 (TIword iw0, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* pseudoDEBUG
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |.fn....|.grp.......|.reg.......|
@@ -4520,7 +4541,7 @@ decode_pseudoDEBUG_0 (TIword iw0, disassemble_info *outf)
   int grp = ((iw0 >> PseudoDbg_grp_bits) & PseudoDbg_grp_mask);
   int reg = ((iw0 >> PseudoDbg_reg_bits) & PseudoDbg_reg_mask);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   if (reg == 0 && fn == 3)
@@ -4571,13 +4592,14 @@ decode_pseudoDEBUG_0 (TIword iw0, disassemble_info *outf)
 static int
 decode_pseudoOChar_0 (TIword iw0, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* psedoOChar
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 |.ch............................|
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+  */
   int ch = ((iw0 >> PseudoChr_ch_bits) & PseudoChr_ch_mask);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   OUTS (outf, "OUTC ");
@@ -4589,6 +4611,7 @@ decode_pseudoOChar_0 (TIword iw0, disassemble_info *outf)
 static int
 decode_pseudodbg_assert_0 (TIword iw0, TIword iw1, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   /* pseudodbg_assert
      +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
      | 1 | 1 | 1 | 1 | 0 | - | - | - | dbgop |.grp.......|.regtest...|
@@ -4599,7 +4622,7 @@ decode_pseudodbg_assert_0 (TIword iw0, TIword iw1, disassemble_info *outf)
   int grp      = ((iw0 >> (PseudoDbg_Assert_grp_bits - 16)) & PseudoDbg_Assert_grp_mask);
   int regtest  = ((iw0 >> (PseudoDbg_Assert_regtest_bits - 16)) & PseudoDbg_Assert_regtest_mask);
 
-  if (parallel)
+  if (priv->parallel)
     return 0;
 
   if (dbgop == 0)
@@ -4659,6 +4682,7 @@ ifetch (bfd_vma pc, disassemble_info *outf, TIword *iw)
 static int
 _print_insn_bfin (bfd_vma pc, disassemble_info *outf)
 {
+  struct private *priv = outf->private_data;
   TIword iw0;
   TIword iw1;
   int rv = 0;
@@ -4686,7 +4710,7 @@ _print_insn_bfin (bfd_vma pc, disassemble_info *outf)
 
   if ((iw0 & 0xf7ff) == 0xc003 && iw1 == 0x1800)
     {
-      if (parallel)
+      if (priv->parallel)
 	{
 	  OUTS (outf, "ILLEGAL");
 	  return 0;
@@ -4778,12 +4802,17 @@ _print_insn_bfin (bfd_vma pc, disassemble_info *outf)
 int
 print_insn_bfin (bfd_vma pc, disassemble_info *outf)
 {
+  struct private priv;
   TIword iw0;
   int count;
 
   if (ifetch (pc, outf, &iw0) == -1)
     return -1;
 
+  priv.parallel = 0;
+  priv.comment = 0;
+  outf->private_data = &priv;
+
   count = _print_insn_bfin (pc, outf);
   if (count == -1)
     return -1;
@@ -4796,7 +4825,7 @@ print_insn_bfin (bfd_vma pc, disassemble_info *outf)
       int legal = 1;
       int len;
 
-      parallel = 1;
+      priv.parallel = 1;
       OUTS (outf, " || ");
       len = _print_insn_bfin (pc + 4, outf);
       if (len == -1)
@@ -4815,19 +4844,16 @@ print_insn_bfin (bfd_vma pc, disassemble_info *outf)
       else
 	{
 	  OUTS (outf, ";\t\t/* ILLEGAL PARALLEL INSTRUCTION */");
-	  comment = 1;
+	  priv.comment = 1;
 	  count = 0;
 	}
-      parallel = 0;
     }
 
-  if (!comment)
+  if (!priv.comment)
     OUTS (outf, ";");
 
   if (count == 0)
     return 2;
 
-  comment = 0;
-
   return count;
 }