X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fmcs51%2Fgen.c;h=68f8524cc0b5d1c7ddf5f5d951c501d324d32082;hb=eaa91096bbf4af190d0da62f7d85b353d6f67e67;hp=e9f0df3c3907375972af4590d50cd15bb25af35b;hpb=2b986bde11505c465b28ead0d89722ed55979cf3;p=fw%2Fsdcc

diff --git a/src/mcs51/gen.c b/src/mcs51/gen.c
index e9f0df3c..68f8524c 100644
--- a/src/mcs51/gen.c
+++ b/src/mcs51/gen.c
@@ -543,7 +543,7 @@ leftRightUseAcc(iCode *ic)
   if (ic->op == IFX)
     {
       op = IC_COND (ic);
-      if (IS_SYMOP (op) && OP_SYMBOL (op) && OP_SYMBOL (op)->accuse)
+      if (IS_OP_ACCUSE (op))
         {
           accuse = 1;
           size = getSize (OP_SYMBOL (op)->type);
@@ -554,7 +554,7 @@ leftRightUseAcc(iCode *ic)
   else if (ic->op == JUMPTABLE)
     {
       op = IC_JTCOND (ic);
-      if (IS_SYMOP (op) && OP_SYMBOL (op) && OP_SYMBOL (op)->accuse)
+      if (IS_OP_ACCUSE (op))
         {
           accuse = 1;
           size = getSize (OP_SYMBOL (op)->type);
@@ -565,7 +565,7 @@ leftRightUseAcc(iCode *ic)
   else
     {
       op = IC_LEFT (ic);
-      if (IS_SYMOP (op) && OP_SYMBOL (op) && OP_SYMBOL (op)->accuse)
+      if (IS_OP_ACCUSE (op))
         {
           accuse = 1;
           size = getSize (OP_SYMBOL (op)->type);
@@ -573,7 +573,7 @@ leftRightUseAcc(iCode *ic)
             accuseSize = size;
         }
       op = IC_RIGHT (ic);
-      if (IS_SYMOP (op) && OP_SYMBOL (op) && OP_SYMBOL (op)->accuse)
+      if (IS_OP_ACCUSE (op))
         {
           accuse = 1;
           size = getSize (OP_SYMBOL (op)->type);
@@ -712,7 +712,7 @@ aopForSym (iCode * ic, symbol * sym, bool result)
 }
 
 /*-----------------------------------------------------------------*/
-/* aopForRemat - rematerialzes an object                           */
+/* aopForRemat - rematerializes an object                          */
 /*-----------------------------------------------------------------*/
 static asmop *
 aopForRemat (symbol * sym)
@@ -728,13 +728,15 @@ aopForRemat (symbol * sym)
         val += (int) operandLitValue (IC_RIGHT (ic));
       else if (ic->op == '-')
         val -= (int) operandLitValue (IC_RIGHT (ic));
-      else if (IS_CAST_ICODE(ic)) {
-              sym_link *from_type = operandType(IC_RIGHT(ic));
-              aop->aopu.aop_immd.from_cast_remat = 1;
-              ic = OP_SYMBOL (IC_RIGHT (ic))->rematiCode;
-              ptr_type = pointerTypeToGPByte (DCL_TYPE(from_type), NULL, NULL);
-              continue;
-      } else break;
+      else if (IS_CAST_ICODE(ic))
+        {
+          sym_link *from_type = operandType(IC_RIGHT(ic));
+          aop->aopu.aop_immd.from_cast_remat = 1;
+          ic = OP_SYMBOL (IC_RIGHT (ic))->rematiCode;
+          ptr_type = pointerTypeToGPByte (DCL_TYPE(from_type), NULL, NULL);
+          continue;
+        }
+      else break;
 
       ic = OP_SYMBOL (IC_LEFT (ic))->rematiCode;
     }
@@ -1040,7 +1042,7 @@ aopOp (operand * op, iCode * ic, bool result)
 
 /*-----------------------------------------------------------------*/
 /* freeAsmop - free up the asmop given to an operand               */
-/*----------------------------------------------------------------*/
+/*-----------------------------------------------------------------*/
 static void
 freeAsmop (operand * op, asmop * aaop, iCode * ic, bool pop)
 {
@@ -1855,7 +1857,7 @@ outBitC (operand * result)
       if (!IS_OP_RUONLY (result))
         aopPut (result, "c", 0);
     }
-  else
+  else if (AOP_TYPE (result) != AOP_DUMMY)
     {
       emitcode ("clr", "a");
       emitcode ("rlc", "a");
@@ -2418,9 +2420,29 @@ unsaveRegisters (iCode * ic)
 /* pushSide -                                                      */
 /*-----------------------------------------------------------------*/
 static void
-pushSide (operand * oper, int size)
+pushSide (operand * oper, int size, iCode * ic)
 {
   int offset = 0;
+  int nPushed = _G.r0Pushed + _G.r1Pushed;
+
+  aopOp (oper, ic, FALSE);
+
+  if (nPushed != _G.r0Pushed + _G.r1Pushed)
+    {
+      while (offset < size)
+        {
+          char *l = aopGet (oper, offset, FALSE, TRUE);
+          emitcode ("mov", "%s,%s", fReturn[offset++], l);
+        }
+      freeAsmop (oper, NULL, ic, TRUE);
+      offset = 0;
+      while (offset < size)
+        {
+          emitcode ("push", "%s", fReturn[offset++]);
+        }
+      return;
+    }
+    
   while (size--)
     {
       char *l = aopGet (oper, offset++, FALSE, TRUE);
@@ -2436,6 +2458,8 @@ pushSide (operand * oper, int size)
           emitcode ("push", "%s", l);
         }
     }
+
+  freeAsmop (oper, NULL, ic, TRUE);
 }
 
 /*-----------------------------------------------------------------*/
@@ -3146,13 +3170,9 @@ genPcall (iCode * ic)
           emitcode ("push", "acc");
 
           /* now push the calling address */
-          aopOp (IC_LEFT (ic), ic, FALSE);
-
-          pushSide (IC_LEFT (ic), FPTRSIZE);
+          pushSide (IC_LEFT (ic), FPTRSIZE, ic);
 
-          freeAsmop (IC_LEFT (ic), NULL, ic, TRUE);
-
-          /* if send set is not empty the assign */
+          /* if send set is not empty then assign */
           if (_G.sendSet)
             {
               genSend(reverseSet(_G.sendSet));
@@ -4166,12 +4186,12 @@ genPlusIncr (iCode * ic)
   if (AOP_TYPE (IC_RIGHT (ic)) != AOP_LIT)
     return FALSE;
 
-  icount = (unsigned int) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit);
+  icount = (unsigned int) ulFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit);
 
   D(emitcode (";","genPlusIncr"));
 
   /* if increment >=16 bits in register or direct space */
-  if (( AOP_TYPE(IC_LEFT(ic)) == AOP_REG || 
+  if (( AOP_TYPE(IC_LEFT(ic)) == AOP_REG ||
         AOP_TYPE(IC_LEFT(ic)) == AOP_DIR ||
         (IS_AOP_PREG (IC_LEFT(ic)) && !AOP_NEEDSACC (IC_LEFT(ic))) ) &&
       sameRegs (AOP (IC_LEFT (ic)), AOP (IC_RESULT (ic))) &&
@@ -4491,7 +4511,7 @@ genPlus (iCode * ic)
       /* if result in bit space */
       if (AOP_TYPE (IC_RESULT (ic)) == AOP_CRY)
         {
-          if ((unsigned long) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit) != 0L)
+          if (ulFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit) != 0L)
             emitcode ("cpl", "c");
           outBitC (IC_RESULT (ic));
         }
@@ -4551,7 +4571,7 @@ genPlus (iCode * ic)
   /* if the lower bytes of a literal are zero skip the addition */
   if (AOP_TYPE (IC_RIGHT (ic)) == AOP_LIT )
     {
-       while ((0 == ((unsigned int) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit) & (0xff << skip_bytes*8))) &&
+       while ((0 == ((unsigned int) ulFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit) & (0xff << skip_bytes*8))) &&
               (skip_bytes+1 < size))
          {
            skip_bytes++;
@@ -4634,13 +4654,13 @@ genMinusDec (iCode * ic)
 
   /* if the literal value of the right hand side
      is greater than 4 then it is not worth it */
-  if ((icount = (unsigned int) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit)) > 4)
+  if ((icount = (unsigned int) ulFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit)) > 4)
     return FALSE;
 
   D (emitcode (";", "genMinusDec"));
 
   /* if decrement >=16 bits in register or direct space */
-  if (( AOP_TYPE(IC_LEFT(ic)) == AOP_REG || 
+  if (( AOP_TYPE(IC_LEFT(ic)) == AOP_REG ||
         AOP_TYPE(IC_LEFT(ic)) == AOP_DIR ||
         (IS_AOP_PREG (IC_LEFT(ic)) && !AOP_NEEDSACC (IC_LEFT(ic))) ) &&
       sameRegs (AOP (IC_LEFT (ic)), AOP (IC_RESULT (ic))) &&
@@ -4858,7 +4878,7 @@ genMinus (iCode * ic)
       unsigned long lit = 0L;
       bool useCarry = FALSE;
 
-      lit = (unsigned long) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit);
+      lit = ulFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit);
       lit = -(long) lit;
 
       while (size--)
@@ -5058,7 +5078,7 @@ genMultOneByte (operand * left,
       if (AOP_TYPE(left) == AOP_LIT)
         {
           /* signed literal */
-          signed char val = (char) floatFromVal (AOP (left)->aopu.aop_lit);
+          signed char val = (char) ulFromVal (AOP (left)->aopu.aop_lit);
           if (val < 0)
             compiletimeSign = TRUE;
         }
@@ -5072,7 +5092,7 @@ genMultOneByte (operand * left,
       if (AOP_TYPE(right) == AOP_LIT)
         {
           /* signed literal */
-          signed char val = (char) floatFromVal (AOP (right)->aopu.aop_lit);
+          signed char val = (char) ulFromVal (AOP (right)->aopu.aop_lit);
           if (val < 0)
             compiletimeSign ^= TRUE;
         }
@@ -5093,7 +5113,7 @@ genMultOneByte (operand * left,
   /* save the signs of the operands */
   if (AOP_TYPE(right) == AOP_LIT)
     {
-      signed char val = (char) floatFromVal (AOP (right)->aopu.aop_lit);
+      signed char val = (char) ulFromVal (AOP (right)->aopu.aop_lit);
 
       if (!rUnsigned && val < 0)
         emitcode ("mov", "b,#0x%02x", -val);
@@ -5119,7 +5139,7 @@ genMultOneByte (operand * left,
 
   if (AOP_TYPE(left) == AOP_LIT)
     {
-      signed char val = (char) floatFromVal (AOP (left)->aopu.aop_lit);
+      signed char val = (char) ulFromVal (AOP (left)->aopu.aop_lit);
 
       if (!lUnsigned && val < 0)
         emitcode ("mov", "a,#0x%02x", -val);
@@ -5326,7 +5346,7 @@ genDivOneByte (operand * left,
       if (AOP_TYPE(left) == AOP_LIT)
         {
           /* signed literal */
-          signed char val = (char) floatFromVal (AOP (left)->aopu.aop_lit);
+          signed char val = (char) ulFromVal (AOP (left)->aopu.aop_lit);
           if (val < 0)
             compiletimeSign = TRUE;
         }
@@ -5340,7 +5360,7 @@ genDivOneByte (operand * left,
       if (AOP_TYPE(right) == AOP_LIT)
         {
           /* signed literal */
-          signed char val = (char) floatFromVal (AOP (right)->aopu.aop_lit);
+          signed char val = (char) ulFromVal (AOP (right)->aopu.aop_lit);
           if (val < 0)
             compiletimeSign ^= TRUE;
         }
@@ -5361,7 +5381,7 @@ genDivOneByte (operand * left,
   /* save the signs of the operands */
   if (AOP_TYPE(right) == AOP_LIT)
     {
-      signed char val = (char) floatFromVal (AOP (right)->aopu.aop_lit);
+      signed char val = (char) ulFromVal (AOP (right)->aopu.aop_lit);
 
       if (!rUnsigned && val < 0)
         emitcode ("mov", "b,#0x%02x", -val);
@@ -5387,7 +5407,7 @@ genDivOneByte (operand * left,
 
   if (AOP_TYPE(left) == AOP_LIT)
     {
-      signed char val = (char) floatFromVal (AOP (left)->aopu.aop_lit);
+      signed char val = (char) ulFromVal (AOP (left)->aopu.aop_lit);
 
       if (!lUnsigned && val < 0)
         emitcode ("mov", "a,#0x%02x", -val);
@@ -5664,7 +5684,7 @@ genModOneByte (operand * left,
   /* sign adjust left side */
   if (AOP_TYPE(left) == AOP_LIT)
     {
-      signed char val = (char) floatFromVal (AOP (left)->aopu.aop_lit);
+      signed char val = (char) ulFromVal (AOP (left)->aopu.aop_lit);
 
       if (!lUnsigned && val < 0)
         {
@@ -5857,7 +5877,7 @@ genCmp (operand * left, operand * right,
         {
           if (AOP_TYPE (right) == AOP_LIT)
             {
-              lit = (unsigned long) floatFromVal (AOP (right)->aopu.aop_lit);
+              lit = ulFromVal (AOP (right)->aopu.aop_lit);
               /* optimize if(x < 0) or if(x >= 0) */
               if (lit == 0L)
                 {
@@ -6058,7 +6078,7 @@ gencjneshort (operand * left, operand * right, symbol * lbl)
     }
 
   if (AOP_TYPE (right) == AOP_LIT)
-    lit = (unsigned long) floatFromVal (AOP (right)->aopu.aop_lit);
+    lit = ulFromVal (AOP (right)->aopu.aop_lit);
 
   /* if the right side is a literal then anything goes */
   if (AOP_TYPE (right) == AOP_LIT &&
@@ -6173,7 +6193,7 @@ genCmpEq (iCode * ic, iCode * ifx)
         {
           if (AOP_TYPE (right) == AOP_LIT)
             {
-              unsigned long lit = (unsigned long) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit);
+              unsigned long lit = ulFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit);
               if (lit == 0L)
                 {
                   emitcode ("mov", "c,%s", AOP (left)->aopu.aop_dir);
@@ -6253,7 +6273,7 @@ genCmpEq (iCode * ic, iCode * ifx)
     {
       if (AOP_TYPE (right) == AOP_LIT)
         {
-          unsigned long lit = (unsigned long) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit);
+          unsigned long lit = ulFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit);
           if (lit == 0L)
             {
               emitcode ("mov", "c,%s", AOP (left)->aopu.aop_dir);
@@ -6595,7 +6615,7 @@ genAnd (iCode * ic, iCode * ifx)
       left = tmp;
     }
   if (AOP_TYPE (right) == AOP_LIT)
-    lit = (unsigned long) floatFromVal (AOP (right)->aopu.aop_lit);
+    lit = ulFromVal (AOP (right)->aopu.aop_lit);
 
   size = AOP_SIZE (result);
 
@@ -6638,7 +6658,7 @@ genAnd (iCode * ic, iCode * ifx)
                 {
                   emitcode ("anl", "c,%s", AOP (right)->aopu.aop_dir);
                 }
-			  else
+              else
                 {
                   emitcode ("mov", "c,%s", AOP (right)->aopu.aop_dir);
                   emitcode ("anl", "c,%s", AOP (left)->aopu.aop_dir);
@@ -7026,7 +7046,7 @@ genOr (iCode * ic, iCode * ifx)
       left = tmp;
     }
   if (AOP_TYPE (right) == AOP_LIT)
-    lit = (unsigned long) floatFromVal (AOP (right)->aopu.aop_lit);
+    lit = ulFromVal (AOP (right)->aopu.aop_lit);
 
   size = AOP_SIZE (result);
 
@@ -7067,7 +7087,7 @@ genOr (iCode * ic, iCode * ifx)
                 {
                   emitcode ("orl", "c,%s", AOP (right)->aopu.aop_dir);
                 }
-			  else
+              else
                 {
                   emitcode ("mov", "c,%s", AOP (right)->aopu.aop_dir);
                   emitcode ("orl", "c,%s", AOP (left)->aopu.aop_dir);
@@ -7076,22 +7096,20 @@ genOr (iCode * ic, iCode * ifx)
           else
             {
               // c = bit | val;
-              symbol *tlbl = newiTempLabel (NULL);
-              if (!((AOP_TYPE (result) == AOP_CRY) && ifx))
-                emitcode ("setb", "c");
-              emitcode ("jb", "%s,%05d$",
-                        AOP (left)->aopu.aop_dir, tlbl->key + 100);
-              toBoolean (right);
-              emitcode ("jnz", "%05d$", tlbl->key + 100);
               if ((AOP_TYPE (result) == AOP_CRY) && ifx)
                 {
+                  symbol *tlbl = newiTempLabel (NULL);
+                  emitcode ("jb", "%s,%05d$",
+                            AOP (left)->aopu.aop_dir, tlbl->key + 100);
+                  toBoolean (right);
+                  emitcode ("jnz", "%05d$", tlbl->key + 100);
                   jmpTrueOrFalse (ifx, tlbl, left, right, result);
                   goto release;
                 }
               else
                 {
-                  CLRC;
-                  emitLabel (tlbl);
+                  toCarry (right);
+                  emitcode ("orl", "c,%s", AOP (left)->aopu.aop_dir);
                 }
             }
         }
@@ -7412,7 +7430,7 @@ genXor (iCode * ic, iCode * ifx)
     }
 
   if (AOP_TYPE (right) == AOP_LIT)
-    lit = (unsigned long) floatFromVal (AOP (right)->aopu.aop_lit);
+    lit = ulFromVal (AOP (right)->aopu.aop_lit);
 
   size = AOP_SIZE (result);
 
@@ -7918,7 +7936,7 @@ genGetAbit (iCode * ic)
   aopOp (right, ic, FALSE);
   aopOp (result, ic, FALSE);
 
-  shCount = (int) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit);
+  shCount = (int) ulFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit);
 
   /* get the needed byte into a */
   MOVA (aopGet (left, shCount / 8, FALSE, FALSE));
@@ -7990,7 +8008,7 @@ genGetByte (iCode * ic)
   aopOp (right, ic, FALSE);
   aopOp (result, ic, FALSE);
 
-  offset = (int)floatFromVal (AOP (right)->aopu.aop_lit) / 8;
+  offset = (int) ulFromVal (AOP (right)->aopu.aop_lit) / 8;
   aopPut (result,
           aopGet (left, offset, FALSE, FALSE),
           0);
@@ -8018,7 +8036,7 @@ genGetWord (iCode * ic)
   aopOp (right, ic, FALSE);
   aopOp (result, ic, FALSE);
 
-  offset = (int)floatFromVal (AOP (right)->aopu.aop_lit) / 8;
+  offset = (int) ulFromVal (AOP (right)->aopu.aop_lit) / 8;
   aopPut (result,
           aopGet (left, offset, FALSE, FALSE),
           0);
@@ -8955,7 +8973,7 @@ genLeftShiftLiteral (operand * left,
                      operand * result,
                      iCode * ic)
 {
-  int shCount = (int) floatFromVal (AOP (right)->aopu.aop_lit);
+  int shCount = (int) ulFromVal (AOP (right)->aopu.aop_lit);
   int size;
 
   D (emitcode (";", "genLeftShiftLiteral"));
@@ -9347,7 +9365,7 @@ genRightShiftLiteral (operand * left,
                       iCode * ic,
                       int sign)
 {
-  int shCount = (int) floatFromVal (AOP (right)->aopu.aop_lit);
+  int shCount = (int) ulFromVal (AOP (right)->aopu.aop_lit);
   int size;
 
   D (emitcode (";", "genRightShiftLiteral"));
@@ -9729,7 +9747,7 @@ emitPtrByteSet (char *rname, int p_type, char *src)
 /*-----------------------------------------------------------------*/
 /* genUnpackBits - generates code for unpacking bits               */
 /*-----------------------------------------------------------------*/
-static void
+static char*
 genUnpackBits (operand * result, char *rname, int ptype, iCode *ifx)
 {
   int offset = 0;       /* result byte offset */
@@ -9738,7 +9756,8 @@ genUnpackBits (operand * result, char *rname, int ptype, iCode *ifx)
   sym_link *etype;      /* bitfield type information */
   int blen;             /* bitfield length */
   int bstr;             /* bitfield starting bit within byte */
-  char buffer[10];
+  static char* const accBits[] = {"acc.0", "acc.1", "acc.2", "acc.3",
+                                  "acc.4", "acc.5", "acc.6", "acc.7"};
 
   D(emitcode (";", "genUnpackBits"));
 
@@ -9752,18 +9771,15 @@ genUnpackBits (operand * result, char *rname, int ptype, iCode *ifx)
       emitPtrByteGet (rname, ptype, FALSE);
       if (blen == 1)
         {
-          SNPRINTF (buffer, sizeof(buffer),
-                    "acc.%d", bstr);
-          genIfxJump (ifx, buffer, NULL, NULL, NULL);
+          return accBits[bstr];;
         }
       else
         {
           if (blen < 8)
             emitcode ("anl", "a,#0x%02x",
                       (((unsigned char) -1) >> (8 - blen)) << bstr);
-          genIfxJump (ifx, "a", NULL, NULL, NULL);
+          return "a";
         }
-      return;
     }
   wassert (!ifx);
 
@@ -9832,6 +9848,7 @@ finish:
       while (rsize--)
         aopPut (result, source, offset++);
     }
+  return NULL;
 }
 
 
@@ -9885,9 +9902,9 @@ genNearPointerGet (operand * left,
   asmop *aop = NULL;
   regs *preg = NULL;
   char *rname;
+  char *ifxCond = "a";
   sym_link *rtype, *retype;
   sym_link *ltype = operandType (left);
-  char buffer[80];
 
   D (emitcode (";", "genNearPointerGet"));
 
@@ -9908,6 +9925,9 @@ genNearPointerGet (operand * left,
       return;
     }
 
+  //aopOp (result, ic, FALSE);
+  aopOp (result, ic, result?TRUE:FALSE);
+
  /* if the value is already in a pointer register
      then don't need anything more */
   if (!AOP_INPREG (AOP (left)))
@@ -9942,12 +9962,9 @@ genNearPointerGet (operand * left,
   else
     rname = aopGet (left, 0, FALSE, FALSE);
 
-  //aopOp (result, ic, FALSE);
-  aopOp (result, ic, result?TRUE:FALSE);
-
   /* if bitfield then unpack the bits */
   if (IS_BITFIELD (retype))
-    genUnpackBits (result, rname, POINTER, ifx);
+    ifxCond = genUnpackBits (result, rname, POINTER, ifx);
   else
     {
       /* we have can just get the values */
@@ -9965,6 +9982,8 @@ genNearPointerGet (operand * left,
             }
           else
             {
+              char buffer[80];
+
               SNPRINTF (buffer, sizeof(buffer), "@%s", rname);
               aopPut (result, buffer, offset);
             }
@@ -10003,7 +10022,7 @@ genNearPointerGet (operand * left,
 
   if (ifx && !ifx->generated)
     {
-      genIfxJump (ifx, "a", left, NULL, result);
+      genIfxJump (ifx, ifxCond, left, NULL, result);
     }
 
   /* done */
@@ -10025,6 +10044,7 @@ genPagedPointerGet (operand * left,
   asmop *aop = NULL;
   regs *preg = NULL;
   char *rname;
+  char *ifxCond = "a";
   sym_link *rtype, *retype;
 
   D (emitcode (";", "genPagedPointerGet"));
@@ -10034,6 +10054,8 @@ genPagedPointerGet (operand * left,
 
   aopOp (left, ic, FALSE);
 
+  aopOp (result, ic, FALSE);
+
   /* if the value is already in a pointer register
      then don't need anything more */
   if (!AOP_INPREG (AOP (left)))
@@ -10049,11 +10071,9 @@ genPagedPointerGet (operand * left,
   else
     rname = aopGet (left, 0, FALSE, FALSE);
 
-  aopOp (result, ic, FALSE);
-
   /* if bitfield then unpack the bits */
   if (IS_BITFIELD (retype))
-    genUnpackBits (result, rname, PPOINTER, ifx);
+    ifxCond = genUnpackBits (result, rname, PPOINTER, ifx);
   else
     {
       /* we have can just get the values */
@@ -10102,7 +10122,7 @@ genPagedPointerGet (operand * left,
 
   if (ifx && !ifx->generated)
     {
-      genIfxJump (ifx, "a", left, NULL, result);
+      genIfxJump (ifx, ifxCond, left, NULL, result);
     }
 
   /* done */
@@ -10179,6 +10199,7 @@ genFarPointerGet (operand * left,
                   operand * result, iCode * ic, iCode * pi, iCode * ifx)
 {
   int size, offset;
+  char *ifxCond = "a";
   sym_link *retype = getSpec (operandType (result));
 
   D (emitcode (";", "genFarPointerGet"));
@@ -10191,7 +10212,7 @@ genFarPointerGet (operand * left,
 
   /* if bit then unpack */
   if (IS_BITFIELD (retype))
-    genUnpackBits (result, "dptr", FPOINTER, ifx);
+    ifxCond = genUnpackBits (result, "dptr", FPOINTER, ifx);
   else
     {
       size = AOP_SIZE (result);
@@ -10216,7 +10237,7 @@ genFarPointerGet (operand * left,
 
   if (ifx && !ifx->generated)
     {
-      genIfxJump (ifx, "a", left, NULL, result);
+      genIfxJump (ifx, ifxCond, left, NULL, result);
     }
 
   freeAsmop (result, NULL, ic, TRUE);
@@ -10231,6 +10252,7 @@ genCodePointerGet (operand * left,
                     operand * result, iCode * ic, iCode *pi, iCode *ifx)
 {
   int size, offset;
+  char *ifxCond = "a";
   sym_link *retype = getSpec (operandType (result));
 
   D (emitcode (";", "genCodePointerGet"));
@@ -10243,7 +10265,7 @@ genCodePointerGet (operand * left,
 
   /* if bit then unpack */
   if (IS_BITFIELD (retype))
-    genUnpackBits (result, "dptr", CPOINTER, ifx);
+    ifxCond = genUnpackBits (result, "dptr", CPOINTER, ifx);
   else
     {
       size = AOP_SIZE (result);
@@ -10269,7 +10291,7 @@ genCodePointerGet (operand * left,
 
   if (ifx && !ifx->generated)
     {
-      genIfxJump (ifx, "a", left, NULL, result);
+      genIfxJump (ifx, ifxCond, left, NULL, result);
     }
 
   freeAsmop (result, NULL, ic, TRUE);
@@ -10284,6 +10306,7 @@ genGenPointerGet (operand * left,
                   operand * result, iCode * ic, iCode *pi, iCode *ifx)
 {
   int size, offset;
+  char *ifxCond = "a";
   sym_link *retype = getSpec (operandType (result));
 
   D (emitcode (";", "genGenPointerGet"));
@@ -10297,7 +10320,7 @@ genGenPointerGet (operand * left,
   /* if bit then unpack */
   if (IS_BITFIELD (retype))
     {
-      genUnpackBits (result, "dptr", GPOINTER, ifx);
+      ifxCond = genUnpackBits (result, "dptr", GPOINTER, ifx);
     }
   else
     {
@@ -10323,7 +10346,7 @@ genGenPointerGet (operand * left,
 
   if (ifx && !ifx->generated)
     {
-      genIfxJump (ifx, "a", left, NULL, result);
+      genIfxJump (ifx, ifxCond, left, NULL, result);
     }
 
   freeAsmop (result, NULL, ic, TRUE);
@@ -10354,7 +10377,9 @@ genPointerGet (iCode * ic, iCode *pi, iCode *ifx)
   etype = getSpec (type);
   /* if left is of type of pointer then it is simple */
   if (IS_PTR (type) && !IS_FUNC (type->next))
-    p_type = DCL_TYPE (type);
+    {
+      p_type = DCL_TYPE (type);
+    }
   else
     {
       /* we have to go by the storage class */
@@ -10428,7 +10453,7 @@ genPackBits (sym_link * etype,
         {
           /* Case with a bitfield length <8 and literal source
           */
-          litval = (int) floatFromVal (AOP (right)->aopu.aop_lit);
+          litval = (int) ulFromVal (AOP (right)->aopu.aop_lit);
           litval <<= bstr;
           litval &= (~mask) & 0xff;
           emitPtrByteGet (rname, p_type, FALSE);
@@ -10499,7 +10524,7 @@ genPackBits (sym_link * etype,
         {
           /* Case with partial byte and literal source
           */
-          litval = (int) floatFromVal (AOP (right)->aopu.aop_lit);
+          litval = (int) ulFromVal (AOP (right)->aopu.aop_lit);
           litval >>= (blen-rlen);
           litval &= (~mask) & 0xff;
           emitPtrByteGet (rname, p_type, FALSE);
@@ -10601,39 +10626,36 @@ genNearPointerSet (operand * right,
      then don't need anything more */
   if (!AOP_INPREG (AOP (result)))
     {
-        if (
-            //AOP_TYPE (result) == AOP_STK
-            IS_AOP_PREG(result)
-            )
+      if (IS_AOP_PREG (result))
         {
-            // Aha, it is a pointer, just in disguise.
-            rname = aopGet (result, 0, FALSE, FALSE);
-            if (*rname != '@')
+          // Aha, it is a pointer, just in disguise.
+          rname = aopGet (result, 0, FALSE, FALSE);
+          if (*rname != '@')
             {
-                fprintf(stderr, "probable internal error: unexpected rname @ %s:%d\n",
-                        __FILE__, __LINE__);
+              fprintf(stderr, "probable internal error: unexpected rname @ %s:%d\n",
+                      __FILE__, __LINE__);
             }
-            else
+          else
             {
-                // Expected case.
-                emitcode ("mov", "a%s,%s", rname + 1, rname);
-                rname++;  // skip the '@'.
+              // Expected case.
+              emitcode ("mov", "a%s,%s", rname + 1, rname);
+              rname++;  // skip the '@'.
             }
         }
-        else
+      else
         {
-            /* otherwise get a free pointer register */
-            aop = newAsmop (0);
-            preg = getFreePtr (ic, &aop, FALSE);
-            emitcode ("mov", "%s,%s",
-                      preg->name,
-                      aopGet (result, 0, FALSE, TRUE));
-            rname = preg->name;
+          /* otherwise get a free pointer register */
+          aop = newAsmop (0);
+          preg = getFreePtr (ic, &aop, FALSE);
+          emitcode ("mov", "%s,%s",
+                    preg->name,
+                    aopGet (result, 0, FALSE, TRUE));
+          rname = preg->name;
         }
     }
-    else
+  else
     {
-        rname = aopGet (result, 0, FALSE, FALSE);
+      rname = aopGet (result, 0, FALSE, FALSE);
     }
 
   aopOp (right, ic, FALSE);
@@ -10721,16 +10743,37 @@ genPagedPointerSet (operand * right,
      then don't need anything more */
   if (!AOP_INPREG (AOP (result)))
     {
-      /* otherwise get a free pointer register */
-      aop = newAsmop (0);
-      preg = getFreePtr (ic, &aop, FALSE);
-      emitcode ("mov", "%s,%s",
-                preg->name,
-                aopGet (result, 0, FALSE, TRUE));
-      rname = preg->name;
+      if (IS_AOP_PREG (result))
+        {
+          // Aha, it is a pointer, just in disguise.
+          rname = aopGet (result, 0, FALSE, FALSE);
+          if (*rname != '@')
+            {
+              fprintf(stderr, "probable internal error: unexpected rname @ %s:%d\n",
+                      __FILE__, __LINE__);
+            }
+          else
+            {
+              // Expected case.
+              emitcode ("mov", "a%s,%s", rname + 1, rname);
+              rname++;  // skip the '@'.
+            }
+        }
+      else
+        {
+          /* otherwise get a free pointer register */
+          aop = newAsmop (0);
+          preg = getFreePtr (ic, &aop, FALSE);
+          emitcode ("mov", "%s,%s",
+                    preg->name,
+                    aopGet (result, 0, FALSE, TRUE));
+          rname = preg->name;
+        }
     }
   else
-    rname = aopGet (result, 0, FALSE, FALSE);
+    {
+      rname = aopGet (result, 0, FALSE, FALSE);
+    }
 
   aopOp (right, ic, FALSE);
 
@@ -10739,7 +10782,7 @@ genPagedPointerSet (operand * right,
     genPackBits ((IS_BITFIELD (retype) ? retype : letype), right, rname, PPOINTER);
   else
     {
-      /* we have can just get the values */
+      /* we can just get the values */
       int size = AOP_SIZE (right);
       int offset = 0;
 
@@ -10748,10 +10791,8 @@ genPagedPointerSet (operand * right,
           l = aopGet (right, offset, FALSE, TRUE);
           MOVA (l);
           emitcode ("movx", "@%s,a", rname);
-
           if (size || pi)
             emitcode ("inc", "%s", rname);
-
           offset++;
         }
     }
@@ -10772,8 +10813,8 @@ genPagedPointerSet (operand * right,
          belongs */
       if (AOP_SIZE (right) > 1 &&
           !OP_SYMBOL (result)->remat &&
-          (OP_SYMBOL (result)->liveTo > ic->seq ||
-           ic->depth))
+          (OP_SYMBOL (result)->liveTo > ic->seq || ic->depth) &&
+          !pi)
         {
           int size = AOP_SIZE (right) - 1;
           while (size--)
@@ -10782,9 +10823,10 @@ genPagedPointerSet (operand * right,
     }
 
   /* done */
-  if (pi) pi->generated = 1;
-  freeAsmop (result, NULL, ic, TRUE);
+  if (pi)
+    pi->generated = 1;
   freeAsmop (right, NULL, ic, TRUE);
+  freeAsmop (result, NULL, ic, TRUE);
 }
 
 /*-----------------------------------------------------------------*/
@@ -11154,7 +11196,7 @@ genAssign (iCode * ic)
   size = AOP_SIZE (result);
   offset = 0;
   if (AOP_TYPE (right) == AOP_LIT)
-    lit = (unsigned long) floatFromVal (AOP (right)->aopu.aop_lit);
+    lit = ulFromVal (AOP (right)->aopu.aop_lit);
 
   if ((size > 1) &&
       (AOP_TYPE (result) != AOP_REG) &&
@@ -11630,7 +11672,10 @@ genReceive (iCode * ic)
     }
   else if (ic->argreg > 12)
     { /* bit parameters */
-      if (OP_SYMBOL (IC_RESULT (ic))->regs[0]->rIdx != ic->argreg-5)
+      regs *reg = OP_SYMBOL (IC_RESULT (ic))->regs[0];
+
+      BitBankUsed = 1;
+      if (!reg || reg->rIdx != ic->argreg-5)
         {
           aopOp (IC_RESULT (ic), ic, FALSE);
           emitcode ("mov", "c,%s", rb1regs[ic->argreg-5]);
@@ -11827,7 +11872,7 @@ gen51Code (iCode * lic)
       if (options.iCodeInAsm) {
         char regsInUse[80];
         int i;
-        char *iLine;
+        const char *iLine;
 
         #if 0
         for (i=0; i<8; i++) {