X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fxa51%2Fgen.c;h=b466d5dd544f402412cf65cf97c68b495dc4b415;hb=697d97a43ba4c1eb596d7db62f0e53c149861798;hp=fa2823bdb8a87b388a2f06a274eb7ceb2ebf2d69;hpb=5187439e012ebae038b7f75b933129aa725534f4;p=fw%2Fsdcc

diff --git a/src/xa51/gen.c b/src/xa51/gen.c
index fa2823bd..b466d5dd 100755
--- a/src/xa51/gen.c
+++ b/src/xa51/gen.c
@@ -23,9 +23,6 @@
   You are forbidden to forbid anyone else to use, share and improve
   what you give them.   Help stamp out software-hoarding!
 
-  Notes:
-  000123 mlh  Moved aopLiteral to SDCCglue.c to help the split
-      Made everything static
 -------------------------------------------------------------------------*/
 
 //#define D(x)
@@ -77,7 +74,9 @@ static struct
   {
     short inLine;
     short debugLine;
+    short stackExtend;
     short nRegsSaved;
+    short parmsPushed;
     set *sendSet;
   }
 _G;
@@ -94,6 +93,21 @@ static lineNode *lineCurr = NULL;
 #define MSB24   2
 #define MSB32   3
 
+static char *MOV="mov";
+static char *MOVB="mov.b";
+static char *MOVW="mov.w";
+static char *MOVC="movc";
+static char *MOVCB="movc.b";
+static char *MOVCW="movc.w";
+
+static char *R1L="r1l";
+static char *R1="r1";
+
+void bailOut (char *mesg) {
+  fprintf (stderr, "%s: bailing out\n", mesg);
+  exit (1);
+}
+
 /*-----------------------------------------------------------------*/
 /* emitcode - writes the code into a file : for now it is simple    */
 /*-----------------------------------------------------------------*/
@@ -127,6 +141,15 @@ static void emitcode (char *inst, char *fmt,...) {
   va_end (ap);
 }
 
+char *getStackOffset(int stack) {
+  static char gsoBuf[1024];
+  sprintf (gsoBuf, "r7+(%d%+d%+d%+d)", stack,
+	   FUNC_ISISR(currFunc->type) ? 
+	     port->stack.isr_overhead : port->stack.call_overhead,
+	   currFunc->stack, _G.nRegsSaved);
+  return gsoBuf;
+}
+
 /*-----------------------------------------------------------------*/
 /* newAsmop - creates a new asmOp                                  */
 /*-----------------------------------------------------------------*/
@@ -148,9 +171,10 @@ char *aopTypeName(asmop *aop) {
     case AOP_DIR: return "dir";
     case AOP_FAR: return "far";
     case AOP_CODE: return "code";
+    case AOP_GPTR: return "gptr";
     case AOP_STK: return "stack";
     case AOP_IMMD: return "imm";
-    case AOP_CRY: return "bit";
+    case AOP_BIT: return "bit";
     }
   return "unknown";
 }
@@ -158,40 +182,68 @@ char *aopTypeName(asmop *aop) {
 /*-----------------------------------------------------------------*/
 /* aopForSym - for a true symbol                                   */
 /*-----------------------------------------------------------------*/
-static asmop *aopForSym(symbol *sym, bool result) {
+static asmop *aopForSym(symbol *sym, 
+			bool canUsePointer, bool canUseOffset) {
+  int size;
   asmop *aop;
 
   sym->aop = aop = newAsmop(0);
-  aop->size=getSize(sym->type);
+  size=aop->size=getSize(sym->type);
 
-  // if it is in registers
+  // if the sym has registers
   if (sym->nRegs && sym->regs[0]) {
     aop->type=AOP_REG;
-    if (sym->regs[1]) {
+    sprintf (aop->name[0], sym->regs[0]->name);
+    if (size > 2) {
       sprintf (aop->name[1], sym->regs[1]->name);
     }
-    sprintf (aop->name[0], sym->regs[0]->name);
     return aop;
   }
 
   // if it is on stack
   if (sym->onStack) {
+    if (!canUsePointer || !canUseOffset) {
+      aop->type=AOP_REG;
+      switch (size) 
+	{
+	case 1:
+	  emitcode ("mov.b", "r0l,[%s]", getStackOffset(sym->stack));
+	  sprintf (aop->name[0], "r0l");
+	  return aop;
+	case 2:
+	  emitcode ("mov.w", "r0,[%s]", getStackOffset(sym->stack));
+	  sprintf (aop->name[0], "r0");
+	  return aop;
+	case 3:
+	  emitcode ("mov.w", "r0,[%s]", getStackOffset(sym->stack));
+	  sprintf (aop->name[0], "r0");
+	  emitcode ("mov.b", "r1l,[%s]", getStackOffset(sym->stack+2));
+	  sprintf (aop->name[1], "r1l");
+	  return aop;
+	case 4:
+	  emitcode ("mov.w", "r0,[%s]", getStackOffset(sym->stack));
+	  sprintf (aop->name[0], "r0");
+	  emitcode ("mov.w", "r1,[%s]", getStackOffset(sym->stack+2));
+	  sprintf (aop->name[1], "r1");
+	  return aop;
+	}
+    }
     aop->type=AOP_STK;
-    sprintf (aop->name[0], "[r7+%d+0+%d+%d]", sym->stack, 
-	     FUNC_ISISR(currFunc->type) ? 6 : 4, _G.nRegsSaved);
-    sprintf (aop->name[1], "[r7+%d+2+%d+%d]", sym->stack,
-	     FUNC_ISISR(currFunc->type) ? 6 : 4, _G.nRegsSaved);
+    sprintf (aop->name[0], "[%s]", getStackOffset(sym->stack));
+    if (size > 2) {
+      sprintf (aop->name[1], "[%s]", getStackOffset(sym->stack+2));
+    }
     return aop;
   }
 
   // if it has a spillLoc
   if (sym->usl.spillLoc) {
-    return aopForSym (sym->usl.spillLoc, result);
+    return aopForSym (sym->usl.spillLoc, canUsePointer, canUseOffset);
   }
 
   // if in bit space
   if (IN_BITSPACE(SPEC_OCLS(sym->etype))) {
-    aop->type=AOP_CRY;
+    aop->type=AOP_BIT;
     sprintf (aop->name[0], sym->rname);
     return aop;
   }
@@ -200,45 +252,99 @@ static asmop *aopForSym(symbol *sym, bool result) {
   if (IN_DIRSPACE(SPEC_OCLS(sym->etype))) {
     aop->type=AOP_DIR;
     sprintf (aop->name[0], sym->rname);
-    sprintf (aop->name[1], "#0x%02x", POINTER);
+    if (size>2) {
+      sprintf (aop->name[1], "%s+2", sym->rname);
+    }
     return aop;
   }
 
   // if in code space
   if (IN_CODESPACE(SPEC_OCLS(sym->etype))) {
-    if (result) {
-      fprintf (stderr, "aopForSym: result can not be in code space\n");
-      exit (1);
+    if (!canUsePointer) {
+      aop->type=AOP_REG;
+      switch (size) 
+	{
+	case 1:
+	  emitcode (MOV, "r0,#%s", sym->rname);
+	  emitcode (MOVC, "r0l,[r0]");
+	  sprintf (aop->name[0], "r0l");
+	  return aop;
+	case 2:
+	  emitcode (MOV, "r0,#%s", sym->rname);
+	  emitcode (MOVC, "r0,[r0]");
+	  sprintf (aop->name[0], "r0");
+	  return aop;
+	case 3:
+	  emitcode (MOV, "r0,#%s", sym->rname);
+	  emitcode (MOVC, "r1l,[r0+2]");
+	  sprintf (aop->name[1], "r1l");
+	  emitcode (MOV, "r0,[r0]");
+	  sprintf (aop->name[0], "r0");
+	  return aop;
+	case 4:
+	  emitcode (MOV, "r0,#%s", sym->rname);
+	  emitcode (MOVC, "r1,[r0+2]");
+	  sprintf (aop->name[1], "r1");
+	  emitcode (MOVC, "r0,[r0]");
+	  sprintf (aop->name[0], "r0");
+	  return aop;
+	}
+      
+    } else {
+      aop->type=AOP_CODE;
+      emitcode ("mov", "r0,#%s ; aopForSym:code", sym->rname);
+      sprintf (aop->name[0], "[r0]");
+      if (size>2) {
+	sprintf (aop->name[1], "[r0+2]");
+      }
     }
-    aop->type=AOP_CODE;
-    emitcode ("mov", "r0,#%s", sym->rname);
-    sprintf (aop->name[0], "r0");
-    sprintf (aop->name[1], "#0x%02x", CPOINTER);
     return aop;
   }
 
   // if in far space
   if (IN_FARSPACE(SPEC_OCLS(sym->etype))) {
-    aop->type=AOP_FAR;
-    emitcode ("mov", "r0,#%s", sym->rname);
-    sprintf (aop->name[0], "[r0]");
-    if (result) {
-      sprintf (aop->name[1], "[r0+2]");
+    if (!canUsePointer) {
+      aop->type=AOP_REG;
+      switch (size) 
+	{
+	case 1:
+	  emitcode (MOV, "r0,#%s", sym->rname);
+	  emitcode (MOV, "r0l,[r0]");
+	  sprintf (aop->name[0], "r0l");
+	  return aop;
+	case 2:
+	  emitcode (MOV, "r0,#%s", sym->rname);
+	  emitcode (MOV, "r0,[r0]");
+	  sprintf (aop->name[0], "r0");
+	  return aop;
+	case 3:
+	  emitcode (MOV, "r0,#%s", sym->rname);
+	  emitcode (MOV, "r1l,[r0+2]");
+	  sprintf (aop->name[1], "r1l");
+	  emitcode (MOV, "r0,[r0]");
+	  sprintf (aop->name[0], "r0");
+	  return aop;
+	case 4:
+	  emitcode (MOV, "r0,#%s", sym->rname);
+	  emitcode (MOV, "r1,[r0+2]");
+	  sprintf (aop->name[1], "r1");
+	  emitcode (MOV, "r0,[r0]");
+	  sprintf (aop->name[0], "r0");
+	  return aop;
+	}
     } else {
-      sprintf (aop->name[1], "#0x%02x", FPOINTER);
+      aop->type=AOP_FAR;
+      emitcode ("mov", "r0,#%s ; aopForSym:far", sym->rname);
+      sprintf (aop->name[0], "[r0]");
+      if (size>2) {
+	sprintf (aop->name[1], "[r0+2]");
+      }
+      return aop;
     }
-    return aop;
-  }
-
-  // special case for a function
-  if (IS_FUNC (sym->type)) {
-    aop->type=AOP_IMMD;
-    sprintf (aop->name[0], sym->rname);
-    return aop;
   }
-
-  fprintf (stderr, "aopForSym (%s): What's up?\n", sym->name);
-  exit (1);
+  
+  bailOut("aopForSym");
+  return NULL;
 }
 
 /*-----------------------------------------------------------------*/
@@ -246,25 +352,36 @@ static asmop *aopForSym(symbol *sym, bool result) {
 /*-----------------------------------------------------------------*/
 static asmop *aopForVal(operand *op) {
   asmop *aop;
-  long v=floatFromVal(OP_VALUE(op));
 
   if (IS_OP_LITERAL(op)) {
     op->aop = aop = newAsmop (AOP_LIT);
     switch ((aop->size=getSize(operandType(op))))
       {
       case 1:
-	sprintf (aop->name[0], "#0x%02lx", v);
+	sprintf (aop->name[0], "#0x%02x", 
+		 SPEC_CVAL(operandType(op)).v_int & 0xff);
+	sprintf (aop->name[1], "#0");
 	break;
       case 2:
-	sprintf (aop->name[0], "#0x%04lx", v);
+	sprintf (aop->name[0], "#0x%04x", 
+		 SPEC_CVAL(operandType(op)).v_int & 0xffff);
+	sprintf (aop->name[1], "#0");
+	break;
+      case 3:
+	// must be a generic pointer, can only be zero
+	// ?? if (v!=0) fprintf (stderr, "invalid val op for gptr\n"); exit(1);
+	sprintf (aop->name[0], "#0x%04x", 
+		 SPEC_CVAL(operandType(op)).v_uint & 0xffff);
+	sprintf (aop->name[1], "#0");
 	break;
       case 4:
-	sprintf (aop->name[0], "#(0x%08lx >> 16)", v);
-	sprintf (aop->name[1], "#(0x%08lx & 0xffff)", v);
+	sprintf (aop->name[0], "#0x%04lx",
+		 SPEC_CVAL(operandType(op)).v_ulong & 0xffff);
+	sprintf (aop->name[1], "#0x%04lx", 
+		 SPEC_CVAL(operandType(op)).v_ulong >> 16);
 	break;
       default:
-	fprintf (stderr, "aopForVal (lit): unknown size\n");
-	exit (1);
+	bailOut("aopForVal");
       }
     return aop;
   }
@@ -284,36 +401,57 @@ static asmop *aopForVal(operand *op) {
 	return aop;
       }
   }
-  fprintf (stderr, "aopForVal: unknown type\n");
-  exit (1);
+
+  bailOut ("aopForVal: unknown type");
   return NULL;
 }
 
-static void aopOp(operand *op, bool result) {
+static int aopOp(operand *op, 
+		  bool canUsePointer, bool canUseOffset) {
 
   if (IS_SYMOP(op)) {
-    op->aop=aopForSym (OP_SYMBOL(op), result);
-    return;
+    op->aop=aopForSym (OP_SYMBOL(op), canUsePointer, canUseOffset);
+    return AOP_SIZE(op);
   }
   if (IS_VALOP(op)) {
-    if (result) {
-      fprintf (stderr, "aopOp: result can not be a value\n");
-      exit (1);
-    }
-    aopForVal (op);
-    return;
+    op->aop=aopForVal (op);
+    return AOP_SIZE(op);
   }
 
-  fprintf (stderr, "aopOp: unexpected operand\n");
-  exit (1);
+  bailOut("aopOp: unexpected operand");
+  return 0;
 }
 
-char *opRegName(operand *op, int offset, char *opName) {
+bool aopEqual(asmop *aop1, asmop *aop2, int offset) {
+  if (strcmp(aop1->name[offset], aop2->name[offset])) {
+    return FALSE;
+  }
+  return TRUE;
+}
+
+bool aopIsDir(operand *op) {
+  return AOP_TYPE(op)==AOP_DIR;
+}
+
+bool aopIsBit(operand *op) {
+  return AOP_TYPE(op)==AOP_BIT;
+}
+
+bool aopIsPtr(operand *op) {
+  if (AOP_TYPE(op)==AOP_STK ||
+      AOP_TYPE(op)==AOP_CODE ||
+      AOP_TYPE(op)==AOP_FAR) {
+    return TRUE;
+  } else {
+    return FALSE;
+  }
+}
+      
+char *opRegName(operand *op, int offset, char *opName, bool decorate) {
 
   if (IS_SYMOP(op)) {
     if (OP_SYMBOL(op)->onStack) {
-      sprintf (opName, "[r7+%d+0+%d+%d]", OP_SYMBOL(op)->stack, 
-	       FUNC_ISISR(currFunc->type) ? 6 : 4, _G.nRegsSaved);
+      sprintf (opName, "[%s]", getStackOffset(OP_SYMBOL(op)->stack));
       return opName;
     }
     if (IS_TRUE_SYMOP(op))
@@ -321,46 +459,48 @@ char *opRegName(operand *op, int offset, char *opName) {
     else if (OP_SYMBOL(op)->regs[offset])
       return OP_SYMBOL(op)->regs[offset]->name;
     else
-      return "NULL";
+      bailOut("opRegName: unknown regs");
   }
 
   if (IS_VALOP(op)) {
     switch (SPEC_NOUN(OP_VALUE(op)->type)) {
+    case V_SBIT:
     case V_BIT:
       if (SPEC_CVAL(OP_VALUE(op)->type).v_int &&
 	  SPEC_CVAL(OP_VALUE(op)->type).v_int != 1) {
-	fprintf (stderr, "opRegName: invalid bit value (%d)\n",
-		 SPEC_CVAL(OP_VALUE(op)->type).v_int);
-	exit (1);
+	bailOut("opRegName: invalid bit value");
       }
       // fall through
     case V_CHAR:
-      sprintf (opName, "#0x%02x", SPEC_CVAL(OP_VALUE(op)->type).v_int);
+      sprintf (opName, "#%s0x%02x", decorate?"(char)":"", 
+	       SPEC_CVAL(OP_VALUE(op)->type).v_int);
       break;
     case V_INT:
       if (SPEC_LONG(OP_VALUE(op)->type)) {
-	sprintf (opName, "#0x%02lx", SPEC_CVAL(OP_VALUE(op)->type).v_long);
+	sprintf (opName, "#%s0x%02lx", decorate?"(long)":"",
+		 SPEC_CVAL(OP_VALUE(op)->type).v_long);
       } else {
-	sprintf (opName, "#0x%02x", SPEC_CVAL(OP_VALUE(op)->type).v_int);
+	sprintf (opName, "#%s0x%02x", decorate?"(int)":"",
+		 SPEC_CVAL(OP_VALUE(op)->type).v_int);
       }
       break;
     case V_FLOAT:
-      sprintf (opName, "#0x%02lx", SPEC_CVAL(OP_VALUE(op)->type).v_long);
+      sprintf (opName, "#%s%f", decorate?"(float)":"",
+	       SPEC_CVAL(OP_VALUE(op)->type).v_float);
       break;
     default: 
-      fprintf (stderr, "opRegName: unexpected noun\n");
-      exit (1);
+      bailOut("opRegName: unexpected noun");
     }
     return opName;
   }
-  fprintf (stderr, "opRegName: unexpected operand type\n");
-  exit (1);
-  return NULL; // to keep the compiler happy
+  bailOut("opRegName: unexpected operand type");
+  return NULL;
 }
 
 char * printOp (operand *op) {
   static char line[132];
-  bool isPtr = op->isPtr | op->isGptr;
+  sym_link *optype=operandType(op);
+  bool isPtr = IS_PTR(optype);
 
   if (IS_SYMOP(op)) {
     symbol *sym=OP_SYMBOL(op);
@@ -368,9 +508,24 @@ char * printOp (operand *op) {
       sym=SYM_SPIL_LOC(sym);
     }
     if (isPtr) {
-      sprintf (line, "[%s]:", sym->name);
+      sprintf (line, "[");
+      if (DCL_TYPE(optype)==FPOINTER)
+	strcat (line, "far * ");
+      else if (DCL_TYPE(optype)==CPOINTER)
+	strcat (line, "code * ");
+      else if (DCL_TYPE(optype)==GPOINTER)
+	strcat (line, "gen * ");
+      else if (DCL_TYPE(optype)==POINTER)
+	strcat (line, "near * ");
+      else
+	strcat (line, "unknown * ");
+      strcat (line, "(");
+      strcat (line, nounName(sym->etype));
+      strcat (line, ")");
+      strcat (line, sym->name);
+      strcat (line, "]:");
     } else {
-      sprintf (line, "%s:", sym->name);
+      sprintf (line, "(%s)%s:", nounName(sym->etype), sym->name);
     }
     if (sym->regs[0]) {
       strcat (line, sym->regs[0]->name);
@@ -381,7 +536,11 @@ char * printOp (operand *op) {
       return line;
     }
     if (sym->onStack) {
-      sprintf (line+strlen(line), "stack+%d", sym->stack);
+      sprintf (line+strlen(line), "stack%+d", sym->stack);
+      return line;
+    }
+    if (IN_CODESPACE(SPEC_OCLS(sym->etype))) {
+      strcat (line, "code");
       return line;
     }
     if (IN_FARSPACE(SPEC_OCLS(sym->etype))) {
@@ -399,17 +558,28 @@ char * printOp (operand *op) {
     strcat (line, "unknown");
     return line;
   } else if (IS_VALOP(op)) {
-    opRegName(op, 0, line);
+    opRegName(op, 0, line, 1);
   } else if (IS_TYPOP(op)) {
-    sprintf (line, "(");
+    sprintf (line, "[");
+    if (isPtr) {
+      if (DCL_TYPE(optype)==FPOINTER)
+	strcat (line, "far * ");
+      else if (DCL_TYPE(optype)==CPOINTER)
+	strcat (line, "code * ");
+      else if (DCL_TYPE(optype)==GPOINTER)
+	strcat (line, "gen * ");
+      else if (DCL_TYPE(optype)==POINTER)
+	strcat (line, "near * ");
+      else
+	strcat (line, "unknown * ");
+    }
     // forget about static, volatile, ... for now
     if (SPEC_USIGN(operandType(op))) strcat (line, "unsigned ");
     if (SPEC_LONG(operandType(op))) strcat (line, "long ");
     strcat (line, nounName(operandType(op)));
-    strcat (line, ")");
+    strcat (line, "]");
   } else {
-    fprintf (stderr, "printOp: unexpected operand type\n");
-    exit (1);
+    bailOut("printOp: unexpected operand type");
   }
   return line;
 }
@@ -417,7 +587,7 @@ char * printOp (operand *op) {
 void printIc (char *op, iCode * ic, bool result, bool left, bool right) {
   char line[132];
 
-  sprintf (line, "%s", op);
+  sprintf (line, "%s(%d)", op, ic->lineno);
   if (result) {
     strcat (line, " result=");
     strcat (line, printOp (IC_RESULT(ic)));
@@ -434,19 +604,23 @@ void printIc (char *op, iCode * ic, bool result, bool left, bool right) {
 }
 
 /*-----------------------------------------------------------------*/
-/* toBoolean - return bit for operand!=0                           */
+/* toBoolean - return carry for operand!=0                           */
 /*-----------------------------------------------------------------*/
 static char *toBoolean (operand * op) {
+  symbol *tlbl=newiTempLabel(NULL);
+
   switch (AOP_SIZE(op)) 
     {
     case 1:
     case 2:
-      emitcode ("cmp", "%s,#0", AOP_NAME(op));
-      return "z";
+      emitcode ("cjne", "%s,#1,%05d$; %s", AOP_NAME(op), tlbl->key+100,
+		"This needs a second thought");
+      
+      emitcode ("", "%05d$:", tlbl->key+100);
+      return "c";
     }
 
-  fprintf (stderr, "toBoolean: unknown size %d\n", AOP_SIZE(op));
-  exit (1);
+  bailOut("toBoolean: unknown size");
   return NULL;
 }
 
@@ -525,10 +699,51 @@ static void genUminus (iCode * ic) {
 }
 
 /*-----------------------------------------------------------------*/
-/* genIpush - genrate code for pushing this gets a little complex  */
+/* genIpush - generate code for pushing                            */
 /*-----------------------------------------------------------------*/
 static void genIpush (iCode * ic) {
+  operand *left=IC_LEFT(ic);
+
   printIc ("genIpush", ic, 0,1,0);
+  aopOp(left,FALSE,FALSE);
+
+
+  if (AOP_TYPE(left)==AOP_LIT) {
+    switch (AOP_SIZE(left)) 
+      {
+      case 1:
+	emitcode ("mov", "r1l,%s", AOP_NAME(left)[0]);
+	emitcode ("push", "r1l");
+	_G.parmsPushed++;
+	return;
+      case 2:
+	emitcode ("mov", "r1,%s", AOP_NAME(left)[0]);
+	emitcode ("push", "r1");
+	_G.parmsPushed++;
+	return;
+      case 3:
+	emitcode ("mov", "r1l,%s", AOP_NAME(left)[1]);
+	emitcode ("push", "r1l");
+	emitcode ("mov", "r1,%s", AOP_NAME(left)[0]);
+	emitcode ("push", "r1");
+	_G.parmsPushed += 2;
+	return;
+      case 4:
+	emitcode ("mov", "r1,%s", AOP_NAME(left)[1]);
+	emitcode ("push", "r1");
+	emitcode ("mov", "r1,%s", AOP_NAME(left)[0]);
+	emitcode ("push", "r1");
+	_G.parmsPushed += 2;
+	return;
+      }
+  } else {
+    if (AOP_SIZE(left)>2) {
+      emitcode ("push", "%s", AOP_NAME(left)[1]);
+      _G.parmsPushed++;
+    }
+    emitcode ("push", "%s", AOP_NAME(left)[0]);
+    _G.parmsPushed++;
+  }
 }
 
 /*-----------------------------------------------------------------*/
@@ -542,7 +757,43 @@ static void genIpop (iCode * ic) {
 /* genCall - generates a call statement                            */
 /*-----------------------------------------------------------------*/
 static void genCall (iCode * ic) {
-  emitcode (";", "genCall %s", OP_SYMBOL(IC_LEFT(ic))->name);
+  operand *result=IC_RESULT(ic);
+
+  emitcode (";", "genCall(%d) %s result=%s", ic->lineno,
+	    OP_SYMBOL(IC_LEFT(ic))->name,
+	    printOp (IC_RESULT(ic)));
+  emitcode ("call", "%s", OP_SYMBOL(IC_LEFT(ic))->rname);
+
+  /* readjust the stack if we have pushed some parms */
+  if (_G.parmsPushed) {
+    emitcode ("add", "r7,#0x%02x", _G.parmsPushed*2);
+    _G.parmsPushed=0;
+  }
+
+  /* if we need to assign a result value */
+  if (IS_ITEMP (IC_RESULT(ic)) &&
+      OP_SYMBOL (IC_RESULT (ic))->nRegs) {
+    aopOp(result,FALSE,FALSE);
+    switch (AOP_SIZE(result))
+      {
+      case 1:
+	emitcode ("mov", "%s,r0l", AOP_NAME(result)[0]);
+	return;
+      case 2:
+	emitcode ("mov", "%s,r0", AOP_NAME(result)[0]);
+	return;
+      case 3:
+	// generic pointer
+	emitcode ("mov", "%s,r1l", AOP_NAME(result)[1]);
+	emitcode ("mov", "%s,r0", AOP_NAME(result)[0]);
+	return;
+      case 4:
+	emitcode ("mov", "%s,r1", AOP_NAME(result)[1]);
+	emitcode ("mov", "%s,r0", AOP_NAME(result)[0]);
+	return;
+      }
+    bailOut("genCall");
+  }
 }
 
 /*-----------------------------------------------------------------*/
@@ -561,10 +812,11 @@ static void genFunction (iCode * ic) {
   symbol *sym=OP_SYMBOL(IC_LEFT(ic));
   sym_link *type=sym->type;
 
-  emitcode (";", "-----------------------------------------");
-  emitcode (";", " function %s", sym->name);
-  emitcode (";", "-----------------------------------------");
-  
+  emitcode (";", "genFunction %s", sym->rname);
+
+  /* print the allocation information */
+  printAllocInfo (currFunc, codeOutFile);
+
   emitcode ("", "%s:", sym->rname);
 
   if (IFFUNC_ISNAKED(type))
@@ -573,10 +825,10 @@ static void genFunction (iCode * ic) {
       return;
   }
 
-  /* if critical function then turn interrupts off */
-  if (IFFUNC_ISCRITICAL (type))
-    emitcode ("clr", "ea");
-
+  /* adjust the stack for locals used in this function */
+  if (sym->stack) {
+    emitcode ("sub", "r7,#%d\t; create stack space for locals", sym->stack);
+  }
 }
 
 /*-----------------------------------------------------------------*/
@@ -587,20 +839,53 @@ genEndFunction (iCode * ic)
 {
   symbol *sym = OP_SYMBOL (IC_LEFT (ic));
 
-  if (IFFUNC_ISNAKED(sym->type))
-  {
+  printIc ("genEndFunction", ic, 0,0,0);
+
+  if (IFFUNC_ISNAKED(sym->type)) {
       emitcode(";", "naked function: no epilogue.");
       return;
   }
 
-  printIc ("genEndFunction", ic, 0,0,0);
+  /* readjust the stock for locals used in this function */
+  if (sym->stack) {
+    emitcode ("add", "r7,#%d\t; release stack space for locals", sym->stack);
+  }
+
+  if (IFFUNC_ISISR(sym->type)) {
+    emitcode ("reti", "");
+  } else {
+    emitcode ("ret", "");
+  }
 }
 
 /*-----------------------------------------------------------------*/
 /* genRet - generate code for return statement                     */
 /*-----------------------------------------------------------------*/
 static void genRet (iCode * ic) {
-  emitcode (";", "genRet");
+
+  printIc ("genRet", ic, 0,1,0);
+
+  aopOp(IC_LEFT(ic), TRUE, TRUE);
+
+  switch (AOP_SIZE(IC_LEFT(ic)))
+    {
+    case 4:
+      emitcode ("mov", "r1,%s", AOP_NAME(IC_LEFT(ic))[1]);
+      emitcode ("mov", "r0,%s", AOP_NAME(IC_LEFT(ic))[0]);
+      break;
+    case 3:
+      emitcode ("mov", "r1l,%s", AOP_NAME(IC_LEFT(ic))[1]);
+      // fall through
+    case 2:
+      emitcode ("mov", "r0,%s", AOP_NAME(IC_LEFT(ic))[0]);
+      break;
+    case 1:
+      emitcode ("mov", "r0l,%s", AOP_NAME(IC_LEFT(ic))[0]);
+      break;
+    default:
+      bailOut("genRet");
+    }
+  emitcode ("jmp", "%05d$", returnLabel->key+100);
 }
 
 /*-----------------------------------------------------------------*/
@@ -611,23 +896,73 @@ static void genLabel (iCode * ic) {
   if (IC_LABEL (ic) == entryLabel)
     return;
 
-  emitcode (";", "genLabel %s", IC_LABEL(ic)->name);
+  emitcode (";", "genLabel(%d) %s", ic->lineno, IC_LABEL(ic)->name);
   emitcode ("", "%05d$:", (IC_LABEL (ic)->key + 100));
 }
 
 /*-----------------------------------------------------------------*/
-/* genGoto - generates a ljmp                                      */
+/* genGoto - generates a jmp                                      */
 /*-----------------------------------------------------------------*/
 static void genGoto (iCode * ic) {
-  emitcode (";", "genGoto %s", IC_LABEL(ic)->name);
-  emitcode ("ljmp", "%05d$", (IC_LABEL (ic)->key + 100));
+  emitcode (";", "genGoto(%d) %s", ic->lineno, IC_LABEL(ic)->name);
+  emitcode ("jmp", "%05d$", (IC_LABEL (ic)->key + 100));
 }
 
 /*-----------------------------------------------------------------*/
 /* genPlus - generates code for addition                           */
 /*-----------------------------------------------------------------*/
 static void genPlus (iCode * ic) {
+  operand *result=IC_RESULT(ic), *left=IC_LEFT(ic), *right=IC_RIGHT(ic);
+  int size;
+  char *instr;
+
   printIc ("genPlus", ic, 1,1,1);
+
+  size=aopOp(result, TRUE, TRUE);
+
+  /* if left is a literal, then exchange them */
+  if (IS_LITERAL(operandType(left))) {
+    operand *tmp = right;
+    right = left;
+    left = tmp;
+  }
+    
+  if (aopIsBit(result)) {
+    if (IS_LITERAL(operandType(right))) {
+      if (operandLitValue(right)) {
+	emitcode ("setb", AOP_NAME(result)[0]);
+	return;
+      }
+      aopOp(left, TRUE, TRUE);
+      emitcode ("mov", "%s,%s", AOP_NAME(result)[0], toBoolean(left));
+      return;
+    }
+    bailOut("genPlus: unfinished genPlus bit");
+  }
+  
+  aopOp(left, !aopIsPtr(result), !aopIsDir(result));
+  aopOp(right, !aopIsPtr(result), !aopIsDir(result));
+
+  if (size>1) {
+    instr="add.w";
+  } else {
+    instr="add.b";
+  }
+  if (!aopEqual(result->aop, left->aop, 0)) {
+    emitcode ("mov", "%s,%s", AOP_NAME(result)[0], AOP_NAME(left)[0]);
+  }
+  emitcode (instr, "%s,%s", AOP_NAME(result)[0], AOP_NAME(right)[0]);
+  if (size>2) {
+    if (!aopEqual(result->aop, left->aop, 1)) {
+      emitcode ("mov", "%s,%s", AOP_NAME(result)[1], AOP_NAME(left)[1]);
+    }
+    if (size==3) {
+      // generic pointer
+    } else {
+      emitcode ("addc.w", "%s,%s", AOP_NAME(result)[1], AOP_NAME(right)[1]);
+    }
+  }
+  return;
 }
 
 /*-----------------------------------------------------------------*/
@@ -662,19 +997,37 @@ static void genMod (iCode * ic) {
 /*-----------------------------------------------------------------*/
 /* genCmpGt :- greater than comparison                             */
 /*-----------------------------------------------------------------*/
-static void genCmpGt (iCode * ic, iCode * ifx) {
+static void genCmpGt (iCode * ic) {
   printIc ("genCmpGt", ic, 1,1,1);
 }
 /*-----------------------------------------------------------------*/
+/* genCmpGt :- greater than comparison                             */
+/*-----------------------------------------------------------------*/
+static void genCmpLe (iCode * ic) {
+  printIc ("genCmpLe", ic, 1,1,1);
+}
+/*-----------------------------------------------------------------*/
+/* genCmpGt :- greater than comparison                             */
+/*-----------------------------------------------------------------*/
+static void genCmpGe (iCode * ic) {
+  printIc ("genCmpGe", ic, 1,1,1);
+}
+/*-----------------------------------------------------------------*/
+/* genCmpGt :- greater than comparison                             */
+/*-----------------------------------------------------------------*/
+static void genCmpNe (iCode * ic) {
+  printIc ("genCmpNe", ic, 1,1,1);
+}
+/*-----------------------------------------------------------------*/
 /* genCmpLt - less than comparisons                                */
 /*-----------------------------------------------------------------*/
-static void genCmpLt (iCode * ic, iCode * ifx) {
+static void genCmpLt (iCode * ic) {
   printIc ("genCmpLt", ic, 1,1,1);
 }
 /*-----------------------------------------------------------------*/
 /* genCmpEq - generates code for equal to                          */
 /*-----------------------------------------------------------------*/
-static void genCmpEq (iCode * ic, iCode * ifx) {
+static void genCmpEq (iCode * ic) {
   printIc ("genCmpEq", ic, 1,1,1);
 }
 
@@ -716,11 +1069,14 @@ static iCode *hasInc (operand *op, iCode *ic, int osize) {
 
   while (lic) {
     /* if operand of the form op = op + <sizeof *op> */
-    if (lic->op == '+' && isOperandEqual(IC_LEFT(lic),op) &&
-	isOperandEqual(IC_RESULT(lic),op) && 
-	isOperandLiteral(IC_RIGHT(lic)) &&
-	operandLitValue(IC_RIGHT(lic)) == isize) {
-      return lic;
+    if (lic->op == '+') {
+      if (isOperandEqual(IC_LEFT(lic),op) &&
+	  //isOperandEqual(IC_RESULT(lic),op) && 
+	  isOperandLiteral(IC_RIGHT(lic)) &&
+	  operandLitValue(IC_RIGHT(lic)) == isize) {
+	emitcode (";", "Found hasInc");
+	return lic;
+      }
     }
     /* if the operand used or deffed */
     if (bitVectBitValue(OP_USES(op),lic->key) || (unsigned) lic->defKey == op->key) {
@@ -758,7 +1114,52 @@ static void genAnd (iCode * ic, iCode * ifx) {
 /* genOr  - code for or                                            */
 /*-----------------------------------------------------------------*/
 static void genOr (iCode * ic, iCode * ifx) {
+  operand *result=IC_RESULT(ic), *left=IC_LEFT(ic), *right=IC_RIGHT(ic);
+  int size;
+  char *instr;
+
   printIc ("genOr", ic, 1,1,1);
+
+  size=aopOp(result, TRUE, TRUE);
+
+  /* if left is a literal, then exchange them */
+  if (IS_LITERAL(operandType(left))) {
+    operand *tmp = right;
+    right = left;
+    left = tmp;
+  }
+    
+  if (aopIsBit(result)) {
+    if (IS_LITERAL(operandType(right))) {
+      if (operandLitValue(right)) {
+	emitcode ("setb", AOP_NAME(result)[0]);
+	return;
+      }
+      aopOp(left, TRUE, TRUE);
+      emitcode ("mov", "%s,%s", AOP_NAME(result)[0], toBoolean(left));
+      return;
+    }
+  }
+  
+  aopOp(left, !aopIsPtr(result), !aopIsDir(result));
+  aopOp(right, !aopIsPtr(result), !aopIsDir(result));
+
+  if (size>1) {
+    instr="or.w";
+  } else {
+    instr="or.b";
+  }
+  if (!aopEqual(result->aop, left->aop, 0)) {
+    emitcode ("mov", "%s,%s", AOP_NAME(result)[0], AOP_NAME(left)[0]);
+  }
+  emitcode (instr, "%s,%s", AOP_NAME(result)[0], AOP_NAME(right)[0]);
+  if (size>2) {
+    if (!aopEqual(result->aop, left->aop, 1)) {
+      emitcode ("mov", "%s,%s", AOP_NAME(result)[1], AOP_NAME(left)[1]);
+    }
+    emitcode (instr, "%s,%s", AOP_NAME(result)[1], AOP_NAME(right)[1]);
+  }
+  return;
 }
 
 /*-----------------------------------------------------------------*/
@@ -772,7 +1173,10 @@ static void genXor (iCode * ic, iCode * ifx) {
 /* genInline - write the inline code out                           */
 /*-----------------------------------------------------------------*/
 static void genInline (iCode * ic) {
+
   printIc ("genInline", ic, 0,0,0);
+  
+  emitcode ("", IC_INLINE(ic));
 }
 
 /*-----------------------------------------------------------------*/
@@ -814,30 +1218,199 @@ static void genRightShift (iCode * ic) {
 /* genPointerGet - generate code for pointer get                   */
 /*-----------------------------------------------------------------*/
 static void genPointerGet (iCode * ic, iCode *pi) {
+  char *instr, *scratchReg;
+  operand *result=IC_RESULT(ic), *left=IC_LEFT(ic);
+  bool codePointer=IS_CODEPTR(operandType(left));
+  int size;
+
   printIc ("genPointerGet", ic, 1,1,0);
+
+  if (!IS_PTR(operandType(left))) {
+    bailOut ("genPointerGet: pointer required");
+  }
+
+  aopOp(left,FALSE,FALSE);
+  size=aopOp(result,TRUE,aopIsDir(left));
+
+  if (IS_GENPTR(operandType(left))) {
+    symbol *tlbl1=newiTempLabel(NULL);
+    symbol *tlbl2=newiTempLabel(NULL);
+    emitcode ("cmp", "%s,#0x%02x", AOP_NAME(left)[1], CPOINTER);
+    emitcode ("bne", "%05d$", tlbl1->key+100);
+    // far/near pointer
+    if (pi) {
+      emitcode ("mov", "%s,[%s+]", AOP_NAME(result)[0], AOP_NAME(left)[0]);
+      pi->generated=1;
+    } else {
+      emitcode ("mov", "%s,[%s]", AOP_NAME(result)[0], AOP_NAME(left)[0]);
+    }
+    if (size>2) {
+      if (pi) {
+	emitcode ("mov", "%s,[%s+]", AOP_NAME(result)[1], AOP_NAME(left)[0]);
+      } else {
+	emitcode ("mov", "%s,[%s+2]", AOP_NAME(result)[1], AOP_NAME(left)[0]);
+      }
+    }
+    emitcode ("br", "%05d$", tlbl2->key+100);
+    emitcode ("", "%05d$:", tlbl1->key+100);
+    // code pointer
+    if (pi) {
+      emitcode ("movc", "%s,[%s+]", AOP_NAME(result)[0], AOP_NAME(left)[0]);
+      pi->generated=1;
+    } else {
+      emitcode ("mov", "r0,%s", AOP_NAME(left)[0]);
+      emitcode ("movc", "%s,[r0+]", AOP_NAME(result)[0]);
+    }
+    if (size>2) {
+      if (pi) {
+	emitcode ("movc", "%s,[%s+]", AOP_NAME(result)[1], AOP_NAME(left)[0]);
+      } else {
+	emitcode ("movc", "%s,[r0+]", AOP_NAME(result)[1]);
+      }
+    }
+    emitcode ("", "%05d$:", tlbl2->key+100);
+    return;
+  }
+
+  switch (AOP_TYPE(left)) 
+    {
+    case AOP_REG:
+      if (size>1) {
+	if (codePointer) {
+	  instr=MOVCW;
+	} else {
+	  instr=MOVW;
+	}
+	scratchReg=R1;
+      } else {
+	if (codePointer) {
+	  instr=MOVCB;
+	} else {
+	  instr=MOVB;
+	}
+	scratchReg=R1L;
+      }
+      if (AOP_TYPE(result)==AOP_STK) {
+	emitcode (MOV, "%s,[%s]", scratchReg, AOP_NAME(left)[0]);
+	emitcode (MOV, "%s,%s", AOP_NAME(result)[0], scratchReg);
+      } else {
+	if (pi) {
+	  emitcode (instr, "%s,[%s+]", AOP_NAME(result)[0], 
+		    AOP_NAME(left)[0]);
+	  pi->generated=1;
+	} else {
+	  if (codePointer) {
+	    emitcode (MOV, "r1,%s", AOP_NAME(left)[0]);
+	    emitcode (instr, "%s,[r1+]", AOP_NAME(result)[0]);
+	  } else {
+	    emitcode (instr, "%s,[%s]", AOP_NAME(result)[0], 
+		      AOP_NAME(left)[0]);
+	  }
+	}
+      }
+      if (size > 2) {
+	if (size==3) {
+	  if (codePointer) {
+	    instr=MOVCB;
+	  } else {
+	    instr=MOVB;
+	  }
+	  scratchReg=R1L;
+	}
+	if (AOP_TYPE(result)==AOP_STK) {
+	  emitcode (MOV, "%s,[%s+2]", scratchReg, AOP_NAME(left)[0]);
+	  emitcode (MOV, "%s,%s", AOP_NAME(result)[1], scratchReg);
+	} else {
+	  if (pi) {
+	    emitcode (instr, "%s,[%s+]", AOP_NAME(result)[1], 
+		      AOP_NAME(left)[0]);
+	  } else {
+	    if (codePointer) {
+	      emitcode (instr, "%s,[r1]", AOP_NAME(result)[1]);
+	    } else {
+	      emitcode (instr, "%s,[%s+2]", AOP_NAME(result)[1], 
+			AOP_NAME(left)[0]);
+	    }
+	  }
+	}
+      }
+      return;
+    }
+  bailOut ("genPointerGet");
 }
 
 /*-----------------------------------------------------------------*/
 /* genPointerSet - stores the value into a pointer location        */
 /*-----------------------------------------------------------------*/
 static void genPointerSet (iCode * ic, iCode *pi) {
+  char *instr;
+  operand *result=IC_RESULT(ic), *right=IC_RIGHT(ic);
+  int size;
+
   printIc ("genPointerSet", ic, 1,0,1);
+
+  if (!IS_PTR(operandType(result))) {
+    bailOut ("genPointerSet: pointer required");
+  }
+
+  aopOp(result,FALSE,FALSE);
+  size=aopOp(right,FALSE, FALSE);
+
+  if (IS_GENPTR(operandType(result))) {
+    emitcode (";", "INLINE\t_gptrset ; [%s %s] = %s %s", 
+	      AOP_NAME(result)[0], AOP_NAME(result)[1],
+	      AOP_NAME(right)[0], AOP_NAME(right)[1]);
+    return;
+  }
+
+  switch (AOP_TYPE(right)) 
+    {
+    case AOP_LIT:
+    case AOP_REG:
+      if (size>1) {
+	instr=MOVW;
+      } else {
+	instr=MOVB;
+      }
+      if (pi) {
+	emitcode (instr, "[%s+],%s", AOP_NAME(result)[0], AOP_NAME(right)[0]);
+	pi->generated=1;
+      } else {
+	emitcode (instr, "[%s],%s", AOP_NAME(result)[0], AOP_NAME(right)[0]);
+      }
+      if (size > 2) {
+	if (size==3) {
+	  instr=MOVB;
+	}
+	if (pi) {
+	  emitcode (instr, "[%s+],%s", AOP_NAME(result)[0], 
+		    AOP_NAME(right)[1]);
+	} else {
+	  emitcode (instr, "[%s+2],%s", AOP_NAME(result)[0], 
+		    AOP_NAME(right)[1]);
+	}
+      }
+      return;
+    }
+  bailOut ("genPointerSet");
 }
 
 /*-----------------------------------------------------------------*/
 /* genIfx - generate code for Ifx statement                        */
 /*-----------------------------------------------------------------*/
 static void genIfx (iCode * ic, iCode * popIc) {
+  int size;
+  char *instr;
   bool trueOrFalse;
   symbol *jlbl, *tlbl;
   operand *cond=IC_COND(ic);
 
-  emitcode (";", "genIfx cond=%s trueLabel:%s falseLabel:%s", 
-	    printOp(cond),
+  emitcode (";", "genIfx(%d) cond=%s trueLabel:%s falseLabel:%s", 
+	    ic->lineno, printOp(cond),
 	    IC_TRUE(ic) ? IC_TRUE(ic)->name : "NULL",
 	    IC_FALSE(ic) ? IC_FALSE(ic)->name : "NULL");
 
-  aopOp(cond,FALSE);
+  size=aopOp(cond,TRUE,TRUE);
 
   if (IC_TRUE(ic)) {
     trueOrFalse=TRUE;
@@ -849,31 +1422,77 @@ static void genIfx (iCode * ic, iCode * popIc) {
 
   switch (AOP_TYPE(cond) )
     {
-    case AOP_CRY:
-      emitcode (trueOrFalse ? "jb" : "jbc", "%s,%05d$", 
+    case AOP_BIT:
+      emitcode (trueOrFalse ? "jb" : "jnb", "%s,%05d$", 
 		AOP_NAME(cond)[0], jlbl->key+100);
       return;
     case AOP_REG:
     case AOP_DIR:
     case AOP_FAR:
+    case AOP_STK:
       tlbl=newiTempLabel(NULL);
-      emitcode ("cmp", "%s,#0", AOP_NAME(cond)[0]);
-      emitcode (trueOrFalse ? "bne" : "beq", "%05d$", tlbl->key+100);
-      if (*AOP_NAME(cond)[1]) {
-	emitcode ("cmp", "%s,#0", AOP_NAME(cond)[1]);
-	emitcode (trueOrFalse ? "bne" : "beq", "%05d$", tlbl->key+100);
+      if (size>1) {
+	instr="cmp.w";
+      } else {
+	instr="cmp.b";
+      }
+      emitcode (instr, "%s,#0", AOP_NAME(cond)[0]);
+      emitcode (trueOrFalse ? "beq" : "bne", "%05d$", tlbl->key+100);
+      if (size > 2) {
+	if (size==3) {
+	  // generic pointer, forget the generic part
+	} else {
+	  emitcode (instr, "%s,#0", AOP_NAME(cond)[1]);
+	  emitcode (trueOrFalse ? "beq" : "bne", "%05d$", tlbl->key+100);
+	}
       }
       emitcode ("jmp", "%05d$", jlbl->key+100);
       emitcode ("", "%05d$:", tlbl->key+100);
       return;
     }
+  bailOut ("genIfx");
 }
 
 /*-----------------------------------------------------------------*/
 /* genAddrOf - generates code for address of                       */
 /*-----------------------------------------------------------------*/
 static void genAddrOf (iCode * ic) {
+  int size;
+  operand *left=IC_LEFT(ic);
+
   printIc ("genAddrOf", ic, 1,1,0);
+
+  size=aopOp (IC_RESULT(ic), FALSE, TRUE);
+
+  if (isOperandOnStack(left)) {
+    emitcode ("lea", "%s,%s", AOP_NAME(IC_RESULT(ic))[0],
+	      getStackOffset(OP_SYMBOL(left)->stack));
+    if (size > 2) {
+      // this must be a generic pointer
+      emitcode ("mov", "%s,#0x%02x", AOP_NAME(IC_RESULT(ic))[1], FPOINTER);
+    }
+    return;
+  }
+
+  if (isOperandInDirSpace(left) ||
+      isOperandInFarSpace(left) ||
+      isOperandInCodeSpace(left)) {
+    emitcode ("mov.w", "%s,#%s", AOP_NAME(IC_RESULT(ic))[0],
+	      OP_SYMBOL(left)->rname);
+    if (size > 2) {
+      // this must be a generic pointer
+      int space=0; // dir space
+      if (isOperandInFarSpace(left)) {
+	space=1;
+      } else if (isOperandInCodeSpace(left)) {
+	space=2;
+      }
+      emitcode ("mov.b", "%s,#0x%02x", AOP_NAME(IC_RESULT(ic))[1], space);
+    }
+    return;
+  }
+
+  bailOut("genAddrOf");
 }
 
 /*-----------------------------------------------------------------*/
@@ -881,33 +1500,21 @@ static void genAddrOf (iCode * ic) {
 /*-----------------------------------------------------------------*/
 static void genAssign (iCode * ic) {
   operand *result=IC_RESULT(ic), *right=IC_RIGHT(ic);
+  int size;
+  char *instr;
 
   printIc ("genAssign", ic, 1,0,1);
   
   if (!IS_SYMOP(result)) {
-    fprintf (stderr, "genAssign: result is not a symbol\n");
-    exit (1);
+    bailOut("genAssign: result is not a symbol");
   }
   
-  aopOp(right, FALSE);
-  aopOp(result, TRUE);
-
-  if (result->aop->type==AOP_REG || 
-      right->aop->type==AOP_REG ||
-      right->aop->type==AOP_LIT ||
-      right->aop->type==AOP_IMMD) {
-    // everything will do
-  } else {
-    // they have to match
-    if (result->aop->type != right->aop->type) {
-      fprintf (stderr, "genAssign: types don't match (%s!=%s)\n",
-	       aopTypeName(result->aop), aopTypeName(right->aop));
-      exit (1);
-    }
-  }
+  aopOp(result, TRUE, TRUE);
+  aopOp(right, !aopIsPtr(result), AOP_TYPE(result)!=AOP_DIR);
+  size=AOP_SIZE(result);
 
   /* if result is a bit */
-  if (AOP_TYPE(result) == AOP_CRY) {
+  if (AOP_TYPE(result) == AOP_BIT) {
     /* if right is literal, we know what the value is */
     if (AOP_TYPE(right) == AOP_LIT) {
       if (operandLitValue(right)) {
@@ -918,24 +1525,32 @@ static void genAssign (iCode * ic) {
       return;
     }
     /* if right is also a bit */
-    if (AOP_TYPE(right) == AOP_CRY) {
+    if (AOP_TYPE(right) == AOP_BIT) {
       emitcode ("mov", "c,%s", AOP_NAME(right));
       emitcode ("mov", "%s,c", AOP_NAME(result));
       return;
     }
     /* we need to or */
-    emitcode ("mov", "%s,%s", AOP_NAME(result), toBoolean(right));
+    emitcode ("mov", "%s,%s; toBoolean", AOP_NAME(result), toBoolean(right));
     return;
   }
 
   /* general case */
-  emitcode ("mov", "%s,%s", 
-	    result->aop->name[0], right->aop->name[0]);
-  if (IS_GENPTR(operandType(result))) {
-    emitcode ("mov", "%s,%s",
-	      result->aop->name[1], right->aop->name[1]);
+  if (size>1) {
+    instr=MOVW;
+  } else {
+    instr=MOVB;
+  }
+  emitcode (instr, "%s,%s", AOP_NAME(result)[0], AOP_NAME(right)[0]);
+
+  if (size > 2) {
+    if (size==3) {
+      // generic pointer
+      instr=MOVB;
+    }
+    emitcode (instr, "%s,%s", AOP_NAME(result)[1], AOP_NAME(right)[1]);
+    return;
   }
-  
 }
 
 /*-----------------------------------------------------------------*/
@@ -956,7 +1571,48 @@ static void genCast (iCode * ic) {
 /* genDjnz - generate decrement & jump if not zero instrucion      */
 /*-----------------------------------------------------------------*/
 static bool genDjnz (iCode * ic, iCode * ifx) {
-  printIc ("genDjnz", ic, 0,0,0);
+  symbol *lbl, *lbl1;
+
+  if (!ifx)
+    return 0;
+
+  /* if the if condition has a false label
+     then we cannot save */
+  if (IC_FALSE (ifx))
+    return 0;
+
+  /* if the minus is not of the form
+     a = a - 1 */
+  if (!isOperandEqual (IC_RESULT (ic), IC_LEFT (ic)) ||
+      !IS_OP_LITERAL (IC_RIGHT (ic)))
+    return 0;
+
+  if (operandLitValue (IC_RIGHT (ic)) != 1)
+    return 0;
+
+  /* if the size of this greater than two then no
+     saving */
+  if (getSize (operandType (IC_RESULT (ic))) > 2)
+    return 0;
+
+  printIc ("genDjnz", ic, 1,1,1);
+
+  /* otherwise we can save BIG */
+  lbl = newiTempLabel (NULL);
+  lbl1 = newiTempLabel (NULL);
+
+  aopOp (IC_RESULT (ic), FALSE, TRUE);
+
+  if (AOP_TYPE(IC_RESULT(ic))==AOP_REG || AOP_TYPE(IC_RESULT(ic))==AOP_DIR) {
+    emitcode ("djnz", "%s,%05d$", AOP_NAME(IC_RESULT(ic)), lbl->key+100);
+    emitcode ("br", "%05d$", lbl1->key + 100);
+    emitcode ("", "%05d$:", lbl->key + 100);
+    emitcode ("jmp", "%05d$", IC_TRUE (ifx)->key + 100);
+    emitcode ("", "%05d$:", lbl1->key + 100);
+    return TRUE;
+  }
+
+  bailOut("genDjnz: aop type");
   return FALSE;
 }
 
@@ -974,13 +1630,8 @@ void genXA51Code (iCode * lic) {
   iCode *ic;
   int cln = 0;
   
-  fprintf (stderr, "genXA51Code\n");
   lineHead = lineCurr = NULL;
   
-  /* print the allocation information */
-  if (allocInfo)
-    printAllocInfo (currFunc, codeOutFile);
-
   /* if debug information required */
   if (options.debug && currFunc)
     {
@@ -994,7 +1645,7 @@ void genXA51Code (iCode * lic) {
     }
   
   for (ic = lic; ic; ic = ic->next) {
-    if (cln != ic->lineno) {
+    if (ic->lineno && cln != ic->lineno) {
       if (options.debug) {
 	_G.debugLine = 1;
 	emitcode ("", "C$%s$%d$%d$%d ==.",
@@ -1002,7 +1653,8 @@ void genXA51Code (iCode * lic) {
 		  ic->level, ic->block);
 	_G.debugLine = 0;
       }
-      emitcode (";", "%s %d", ic->filename, ic->lineno);
+      emitcode ("", ";\t%s:%d: %s", ic->filename, ic->lineno, 
+		printCLine(ic->filename, ic->lineno));
       cln = ic->lineno;
     }
     /* if the result is marked as
@@ -1096,25 +1748,27 @@ void genXA51Code (iCode * lic) {
 	break;
 	
       case '>':
-	genCmpGt (ic, ifxForOp (IC_RESULT (ic), ic));
+	genCmpGt (ic);
 	break;
 	
       case '<':
-	genCmpLt (ic, ifxForOp (IC_RESULT (ic), ic));
+	genCmpLt (ic);
 	break;
 	
       case LE_OP:
+	genCmpLe (ic);
+	break;
+
       case GE_OP:
+	genCmpGe (ic);
+	break;
+
       case NE_OP:
-	
-	/* note these two are xlated by algebraic equivalence
-	   during parsing SDCC.y */
-	werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
-		"got '>=' or '<=' shouldn't have come here");
+	genCmpNe (ic);
 	break;
-	
+
       case EQ_OP:
-	genCmpEq (ic, ifxForOp (IC_RESULT (ic), ic));
+	genCmpEq (ic);
 	break;
 	
       case AND_OP:
@@ -1162,7 +1816,7 @@ void genXA51Code (iCode * lic) {
 	break;
 	
       case GET_VALUE_AT_ADDRESS:
-	genPointerGet (ic, hasInc(IC_LEFT(ic), ic, getSize(operandType(IC_LEFT(ic)))));
+	genPointerGet (ic, hasInc(IC_LEFT(ic), ic, getSize(operandType(IC_RESULT(ic)))));
 	break;
 	
       case '=':