X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fxa51%2Fgen.c;h=bf86fa619ca685b20ae43a15d41d15e273f5019b;hb=3062f96ccb55d1d05caf9c8782f4961f87b341ce;hp=9d525df19f0a9901fa63cb6316d2cf230eed87f0;hpb=80b2a5b23482ecbc28c3f70566ecafa524169016;p=fw%2Fsdcc

diff --git a/src/xa51/gen.c b/src/xa51/gen.c
index 9d525df1..bf86fa61 100755
--- a/src/xa51/gen.c
+++ b/src/xa51/gen.c
@@ -35,34 +35,11 @@
 #include "SDCCglobl.h"
 #include "newalloc.h"
 
-#ifdef HAVE_SYS_ISA_DEFS_H
-#include <sys/isa_defs.h>
-#else
-#ifdef HAVE_MACHINE_ENDIAN_H
-#include <machine/endian.h>
-#else
-#ifdef HAVE_ENDIAN_H
-#include <endian.h>
-#else
-#if !defined(__BORLANDC__) && !defined(_MSC_VER) && !defined(__MINGW32__) && !defined(__CYGWIN__)
-#warning "Cannot determine ENDIANESS of this machine assuming LITTLE_ENDIAN"
-#warning "If you running sdcc on an INTEL 80x86 Platform you are okay"
-#endif
-#endif
-#endif
-#endif
-
 #include "common.h"
 #include "SDCCpeeph.h"
 #include "ralloc.h"
 #include "gen.h"
 
-#if defined(__BORLANDC__) || defined(_MSC_VER)
-#define STRCASECMP stricmp
-#else
-#define STRCASECMP strcasecmp
-#endif
-
 extern int allocInfo;
 
 /* this is the down and dirty file with all kinds of
@@ -76,13 +53,14 @@ static struct
     short debugLine;
     short stackExtend;
     short nRegsSaved;
+    short parmsPushed;
     set *sendSet;
   }
 _G;
 
 extern int xa51_ptrRegReq;
 extern int xa51_nRegs;
-extern FILE *codeOutFile;
+extern struct dbuf_s *codeOutBuf;
 
 static lineNode *lineHead = NULL;
 static lineNode *lineCurr = NULL;
@@ -128,7 +106,7 @@ static void emitcode (char *inst, char *fmt,...) {
   else
     vsprintf (lb, fmt, ap);
 
-  while (isspace ((int)*lbp))
+  while (isspace (*lbp))
     lbp++;
 
   if (lbp && *lbp)
@@ -140,11 +118,22 @@ static void emitcode (char *inst, char *fmt,...) {
   va_end (ap);
 }
 
+/*-----------------------------------------------------------------*/
+/* xa51_emitDebuggerSymbol - associate the current code location  */
+/*   with a debugger symbol                                        */
+/*-----------------------------------------------------------------*/
+void
+xa51_emitDebuggerSymbol (char * debugSym)
+{
+  _G.debugLine = 1;
+  emitcode ("", "%s ==.", debugSym);
+  _G.debugLine = 0;
+}
+
+
 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,
+  sprintf (gsoBuf, "r7+(%d%+d%+d)", stack,
 	   currFunc->stack, _G.nRegsSaved);
   return gsoBuf;
 }
@@ -206,23 +195,23 @@ static asmop *aopForSym(symbol *sym,
       switch (size) 
 	{
 	case 1:
-	  emitcode ("mov.b", "r0l,[%s]", getStackOffset(sym->stack));
+	  emitcode ("mov.b", "r0l,[%s] ;aopForSym:stack:1", getStackOffset(sym->stack));
 	  sprintf (aop->name[0], "r0l");
 	  return aop;
 	case 2:
-	  emitcode ("mov.w", "r0,[%s]", getStackOffset(sym->stack));
+	  emitcode ("mov.w", "r0,[%s] ;aopForSym:stack:2", getStackOffset(sym->stack));
 	  sprintf (aop->name[0], "r0");
 	  return aop;
 	case 3:
-	  emitcode ("mov.w", "r0,[%s]", getStackOffset(sym->stack));
+	  emitcode ("mov.w", "r0,[%s] ;aopForSym:stack:3.w", getStackOffset(sym->stack));
 	  sprintf (aop->name[0], "r0");
-	  emitcode ("mov.b", "r1l,[%s]", getStackOffset(sym->stack+2));
+	  emitcode ("mov.b", "r1l,[%s] ;aopForSym:stack:3.b", getStackOffset(sym->stack+2));
 	  sprintf (aop->name[1], "r1l");
 	  return aop;
 	case 4:
-	  emitcode ("mov.w", "r0,[%s]", getStackOffset(sym->stack));
+	  emitcode ("mov.w", "r0,[%s] ;aopForSym:stack:4", getStackOffset(sym->stack));
 	  sprintf (aop->name[0], "r0");
-	  emitcode ("mov.w", "r1,[%s]", getStackOffset(sym->stack+2));
+	  emitcode ("mov.w", "r1,[%s] ;aopForSym:stack:4", getStackOffset(sym->stack+2));
 	  sprintf (aop->name[1], "r1");
 	  return aop;
 	}
@@ -265,27 +254,28 @@ static asmop *aopForSym(symbol *sym,
 	{
 	case 1:
 	  emitcode (MOV, "r0,#%s", sym->rname);
-	  emitcode (MOVC, "r0l,[r0]");
+	  emitcode (MOVC, "r0l,[r0+]");
 	  sprintf (aop->name[0], "r0l");
 	  return aop;
 	case 2:
 	  emitcode (MOV, "r0,#%s", sym->rname);
-	  emitcode (MOVC, "r0,[r0]");
+	  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");
+	  emitcode (MOVC, "r0,[r0+]");
+	  sprintf (aop->name[1], "r0");
+	  emitcode (MOV, "r1l,[r0+]");
+	  sprintf (aop->name[0], "r1l");
 	  return aop;
 	case 4:
 	  emitcode (MOV, "r0,#%s", sym->rname);
-	  emitcode (MOVC, "r1,[r0+2]");
-	  sprintf (aop->name[1], "r1");
-	  emitcode (MOVC, "r0,[r0]");
+	  emitcode (MOVC, "r1,[r0+]");
+	  emitcode (MOVC, "r0,[r0+]");
+	  emitcode ("xch", "r0,r1");
 	  sprintf (aop->name[0], "r0");
+	  sprintf (aop->name[1], "r1");
 	  return aop;
 	}
       
@@ -333,7 +323,7 @@ static asmop *aopForSym(symbol *sym,
 	}
     } else {
       aop->type=AOP_FAR;
-      emitcode ("mov", "r0,#%s ; aopForSym:far", sym->rname);
+      emitcode ("mov.w", "r0,#%s ; aopForSym:far", sym->rname);
       sprintf (aop->name[0], "[r0]");
       if (size>2) {
 	sprintf (aop->name[1], "[r0+2]");
@@ -374,9 +364,9 @@ static asmop *aopForVal(operand *op) {
 	sprintf (aop->name[1], "#0");
 	break;
       case 4:
-	sprintf (aop->name[0], "#0x%04lx",
+	sprintf (aop->name[0], "#0x%04x",
 		 SPEC_CVAL(operandType(op)).v_ulong & 0xffff);
-	sprintf (aop->name[1], "#0x%04lx", 
+	sprintf (aop->name[1], "#0x%04x", 
 		 SPEC_CVAL(operandType(op)).v_ulong >> 16);
 	break;
       default:
@@ -446,7 +436,7 @@ bool aopIsPtr(operand *op) {
   }
 }
       
-char *opRegName(operand *op, int offset, char *opName) {
+char *opRegName(operand *op, int offset, char *opName, bool decorate) {
 
   if (IS_SYMOP(op)) {
     if (OP_SYMBOL(op)->onStack) {
@@ -471,17 +461,21 @@ char *opRegName(operand *op, int offset, char *opName) {
       }
       // 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%02x", 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, "#%f", SPEC_CVAL(OP_VALUE(op)->type).v_float);
+      sprintf (opName, "#%s%f", decorate?"(float)":"",
+	       SPEC_CVAL(OP_VALUE(op)->type).v_float);
       break;
     default: 
       bailOut("opRegName: unexpected noun");
@@ -553,9 +547,9 @@ 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 * ");
@@ -572,14 +566,15 @@ char * printOp (operand *op) {
     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 {
     bailOut("printOp: unexpected operand type");
   }
   return line;
 }
 
-void printIc (char *op, iCode * ic, bool result, bool left, bool right) {
+void printIc (bool printToStderr, 
+	      char *op, iCode * ic, bool result, bool left, bool right) {
   char line[132];
 
   sprintf (line, "%s(%d)", op, ic->lineno);
@@ -596,6 +591,9 @@ void printIc (char *op, iCode * ic, bool result, bool left, bool right) {
     strcat (line, printOp (IC_RIGHT(ic)));
   }
   emitcode (";", line);
+  if (printToStderr) {
+    fprintf (stderr, "%s\n", line);
+  }
 }
 
 /*-----------------------------------------------------------------*/
@@ -676,43 +674,119 @@ static int resultRemat (iCode * ic) {
 /* genNot - generate code for ! operation                          */
 /*-----------------------------------------------------------------*/
 static void genNot (iCode * ic) {
-  printIc("genNot:", ic, 1,1,0);
+  printIc (0, "genNot:", ic, 1,1,0);
 }
 
 /*-----------------------------------------------------------------*/
 /* genCpl - generate code for complement                           */
 /*-----------------------------------------------------------------*/
 static void genCpl (iCode * ic) {
-  printIc("genCpl", ic, 1,1,0);
+  printIc (0, "genCpl", ic, 1,1,0);
 }
 
 /*-----------------------------------------------------------------*/
 /* genUminus - unary minus code generation                         */
 /*-----------------------------------------------------------------*/
 static void genUminus (iCode * ic) {
-  printIc("genUminus", ic, 1,1,0);
+  printIc (0, "genUminus", ic, 1,1,0);
 }
 
 /*-----------------------------------------------------------------*/
-/* genIpush - genrate code for pushing this gets a little complex  */
+/* genIpush - generate code for pushing                            */
 /*-----------------------------------------------------------------*/
 static void genIpush (iCode * ic) {
-  printIc ("genIpush", ic, 0,1,0);
+  operand *left=IC_LEFT(ic);
+
+  printIc (0, "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++;
+  }
 }
 
 /*-----------------------------------------------------------------*/
 /* genIpop - recover the registers: can happen only for spilling   */
 /*-----------------------------------------------------------------*/
 static void genIpop (iCode * ic) {
-  printIc ("genIpop", ic, 0,1,0);
+  printIc (0, "genIpop", ic, 0,1,0);
 }
 
 /*-----------------------------------------------------------------*/
 /* genCall - generates a call statement                            */
 /*-----------------------------------------------------------------*/
 static void genCall (iCode * ic) {
-  emitcode (";", "genCall %s result=%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");
+  }
 }
 
 /*-----------------------------------------------------------------*/
@@ -734,7 +808,7 @@ static void genFunction (iCode * ic) {
   emitcode (";", "genFunction %s", sym->rname);
 
   /* print the allocation information */
-  printAllocInfo (currFunc, codeOutFile);
+  printAllocInfo (currFunc, codeOutBuf);
 
   emitcode ("", "%s:", sym->rname);
 
@@ -758,10 +832,12 @@ genEndFunction (iCode * ic)
 {
   symbol *sym = OP_SYMBOL (IC_LEFT (ic));
 
-  printIc ("genEndFunction", ic, 0,0,0);
+  printIc (0, "genEndFunction", ic, 0,0,0);
 
   if (IFFUNC_ISNAKED(sym->type)) {
       emitcode(";", "naked function: no epilogue.");
+      if (options.debug && currFunc)
+	debugFile->writeEndFunction (currFunc, ic, 0);
       return;
   }
 
@@ -770,6 +846,10 @@ genEndFunction (iCode * ic)
     emitcode ("add", "r7,#%d\t; release stack space for locals", sym->stack);
   }
 
+  if (options.debug && currFunc) {
+    debugFile->writeEndFunction (currFunc, ic, 1);
+  }
+
   if (IFFUNC_ISISR(sym->type)) {
     emitcode ("reti", "");
   } else {
@@ -782,27 +862,32 @@ genEndFunction (iCode * ic)
 /*-----------------------------------------------------------------*/
 static void genRet (iCode * ic) {
 
-  printIc ("genRet", ic, 0,1,0);
-
-  aopOp(IC_LEFT(ic), TRUE, TRUE);
+  if (!IC_LEFT(ic)) {
+    printIc (0, "genRet", ic, 0, 0, 0);
+  } else {
+    printIc (0, "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");
+      }
+  }
 
-  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]);
-      return;
-    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]);
-      return;
-    case 1:
-      emitcode ("mov", "r0l,%s", AOP_NAME(IC_LEFT(ic))[0]);
-      return;
-    }
-  bailOut("genRet");
+  emitcode ("jmp", "%05d$", returnLabel->key+100);
 }
 
 /*-----------------------------------------------------------------*/
@@ -813,7 +898,7 @@ 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));
 }
 
@@ -821,7 +906,7 @@ static void genLabel (iCode * ic) {
 /* genGoto - generates a jmp                                      */
 /*-----------------------------------------------------------------*/
 static void genGoto (iCode * ic) {
-  emitcode (";", "genGoto %s", IC_LABEL(ic)->name);
+  emitcode (";", "genGoto(%d) %s", ic->lineno, IC_LABEL(ic)->name);
   emitcode ("jmp", "%05d$", (IC_LABEL (ic)->key + 100));
 }
 
@@ -833,7 +918,7 @@ static void genPlus (iCode * ic) {
   int size;
   char *instr;
 
-  printIc ("genPlus", ic, 1,1,1);
+  printIc (0, "genPlus", ic, 1,1,1);
 
   size=aopOp(result, TRUE, TRUE);
 
@@ -860,6 +945,27 @@ static void genPlus (iCode * ic) {
   aopOp(left, !aopIsPtr(result), !aopIsDir(result));
   aopOp(right, !aopIsPtr(result), !aopIsDir(result));
 
+  // special case for "* = * + char", needs a closer look
+  // heck, this shouldn't have come here but bug-223113 does
+  if (size==3 && AOP_SIZE(right)==1) {
+    emitcode ("mov", "r1l,%s", AOP_NAME(right)[0]);
+    emitcode ("mov", "r1h,#0"); // ptr arith unsigned????????????
+    emitcode ("mov", "%s,%s", AOP_NAME(result)[0], AOP_NAME(left)[0]);
+    emitcode ("add.w", "%s,r1", AOP_NAME(result)[0]);
+    emitcode ("mov", "%s,%s", AOP_NAME(result)[1], AOP_NAME(left)[1]);
+    return;
+  }
+
+  // special case for "xdata * = xdata * + char", needs a closer look
+  // heck, this shouldn't have come here but bug-441448 does
+  if (size==2 && AOP_SIZE(right)==1) {
+    emitcode ("mov", "r1l,%s", AOP_NAME(right)[0]);
+    emitcode ("mov", "r1h,#0"); // ptr arith unsigned????????????
+    emitcode ("mov", "%s,%s", AOP_NAME(result)[0], AOP_NAME(left)[0]);
+    emitcode ("add.w", "%s,r1", AOP_NAME(result)[0]);
+    return;
+  }
+
   if (size>1) {
     instr="add.w";
   } else {
@@ -886,66 +992,82 @@ static void genPlus (iCode * ic) {
 /* genMinus - generates code for subtraction                       */
 /*-----------------------------------------------------------------*/
 static void genMinus (iCode * ic) {
-  printIc ("genMinus", ic, 1,1,1);
-}
+  operand *result=IC_RESULT(ic), *left=IC_LEFT(ic), *right=IC_RIGHT(ic);
+  int size;
+  char *instr;
+
+  printIc (0, "genMinus", 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 ("clr", 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");
+  }
+  
+  if (isOperandEqual(result,left)) {
+    left->aop=result->aop;
+  } else {
+    aopOp(left, !aopIsPtr(result), !aopIsDir(result));
+  }
+  aopOp(right, !aopIsPtr(result), !aopIsDir(result));
+
+  if (size>1) {
+    instr="sub.w";
+  } else {
+    instr="sub.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 ("subb.w", "%s,%s", AOP_NAME(result)[1], AOP_NAME(right)[1]);
+    }
+  }
+  return;
+}
 
 /*-----------------------------------------------------------------*/
 /* genMult - generates code for multiplication                     */
 /*-----------------------------------------------------------------*/
 static void genMult (iCode * ic) {
-  printIc ("genMult", ic, 1,1,1);
+  printIc (0, "genMult", ic, 1,1,1);
 }
 
 /*-----------------------------------------------------------------*/
 /* genDiv - generates code for division                            */
 /*-----------------------------------------------------------------*/
 static void genDiv (iCode * ic) {
-  printIc ("genDiv", ic, 1,1,1);
+  printIc (0, "genDiv", ic, 1,1,1);
 }
 
 /*-----------------------------------------------------------------*/
 /* genMod - generates code for division                            */
 /*-----------------------------------------------------------------*/
 static void genMod (iCode * ic) {
-  printIc ("genMod", ic, 1,1,1);
-}
-
-/*-----------------------------------------------------------------*/
-/* genCmpGt :- greater than comparison                             */
-/*-----------------------------------------------------------------*/
-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) {
-  printIc ("genCmpLt", ic, 1,1,1);
-}
-/*-----------------------------------------------------------------*/
-/* genCmpEq - generates code for equal to                          */
-/*-----------------------------------------------------------------*/
-static void genCmpEq (iCode * ic) {
-  printIc ("genCmpEq", ic, 1,1,1);
+  printIc (0, "genMod", ic, 1,1,1);
 }
 
 /*-----------------------------------------------------------------*/
@@ -968,6 +1090,89 @@ static iCode *ifxForOp (operand * op, iCode * ic) {
   return NULL;
 }
 
+/*-----------------------------------------------------------------*/
+/* genCmp - compares whatever                                      */
+/*-----------------------------------------------------------------*/
+static void genCmp (iCode * ic, char *trueInstr, char *falseInstr) {
+  iCode *ifx=ifxForOp(IC_RESULT(ic),ic);
+  operand *left=IC_LEFT(ic), *right=IC_RIGHT(ic);
+  int size;
+  bool isTrue;
+  char *instr;
+  int jlbl;
+
+
+  size=aopOp(left, TRUE, TRUE);
+  aopOp(right, !aopIsPtr(left), TRUE);
+
+  if (size==1) {
+    instr="cmp.b";
+  } else {
+    instr="cmp.w";
+  }
+
+  if (IC_TRUE(ifx)) {
+    isTrue=TRUE;
+    jlbl=IC_TRUE(ifx)->key+100;
+  } else {
+    isTrue=FALSE;
+    jlbl=IC_FALSE(ifx)->key+100;
+  }
+  
+  if (!ifx) {
+    aopOp(IC_RESULT(ic), !aopIsPtr(left), TRUE);
+    jlbl=newiTempLabel(NULL)->key+100;
+    emitcode("mov", "%s,#-1", AOP_NAME(IC_RESULT(ic))[0]);
+    emitcode(instr, "%s,%s", AOP_NAME(left)[0], AOP_NAME(right)[0]);
+    emitcode(isTrue ? trueInstr : falseInstr, "%05d$", jlbl);
+    emitcode("cpl", "%s", AOP_NAME(IC_RESULT(ic))[0]);
+    emitcode("", "%05d$:", jlbl);
+  } else {
+    emitcode(instr, "%s,%s", AOP_NAME(left)[0], AOP_NAME(right)[0]);
+    emitcode(isTrue ? trueInstr : falseInstr, "%05d$", jlbl);
+    ifx->generated=1;
+  }
+
+  if (size>2) {
+    bailOut("genCmp: size > 2");
+  }
+
+}
+
+/*-----------------------------------------------------------------*/
+/* genCmpEq :- generates code for equal to                         */
+/*-----------------------------------------------------------------*/
+static void genCmpEq (iCode * ic) {
+  printIc (0, "genCmpEq", ic, 0,1,1);
+  genCmp(ic, "beq", "bne"); // no sign
+}
+
+/*-----------------------------------------------------------------*/
+/* genCmpGt :- greater than comparison                             */
+/*-----------------------------------------------------------------*/
+static void genCmpGt (iCode * ic) {
+  printIc (0, "genCmpGt", ic, 0,1,1);
+  if (SPEC_USIGN(operandType(IC_LEFT(ic))) ||
+      SPEC_USIGN(operandType(IC_RIGHT(ic)))) {
+    genCmp(ic, "bg", "bl"); // unsigned
+  } else {
+    genCmp(ic, "bgt", "ble"); // signed
+  }
+}
+
+/*-----------------------------------------------------------------*/
+/* genCmpLt - less than comparisons                                */
+/*-----------------------------------------------------------------*/
+static void genCmpLt (iCode * ic) {
+  printIc (0, "genCmpLt", ic, 0,1,1);
+  if (SPEC_USIGN(operandType(IC_LEFT(ic))) ||
+      SPEC_USIGN(operandType(IC_RIGHT(ic)))) {
+    genCmp(ic, "bcs", "bcc"); // unsigned
+  } else {
+    genCmp(ic, "blt", "bge"); // signed
+  }
+}
+
 /*-----------------------------------------------------------------*/
 /* hasInc - operand is incremented before any other use            */
 /*-----------------------------------------------------------------*/
@@ -987,14 +1192,6 @@ static iCode *hasInc (operand *op, iCode *ic, int osize) {
   while (lic) {
     /* if operand of the form op = op + <sizeof *op> */
     if (lic->op == '+') {
-      fprintf (stderr, "isOperandEqual(IC_LEFT(lic),op):%d\n",
-	       isOperandEqual(IC_LEFT(lic),op));
-      fprintf (stderr, "isOperandEqual(IC_RESULT(lic),op):%d\n",
-	       isOperandEqual(IC_RESULT(lic),op));
-      fprintf (stderr, "isOperandLiteral(IC_RIGHT(lic)):%d\n",
-	       isOperandLiteral(IC_RIGHT(lic)));
-      fprintf (stderr, "operandLitValue(IC_RIGHT(lic)) %f %d\n",
-	       operandLitValue(IC_RIGHT(lic)), isize);
       if (isOperandEqual(IC_LEFT(lic),op) &&
 	  //isOperandEqual(IC_RESULT(lic),op) && 
 	  isOperandLiteral(IC_RIGHT(lic)) &&
@@ -1004,7 +1201,7 @@ static iCode *hasInc (operand *op, iCode *ic, int osize) {
       }
     }
     /* if the operand used or deffed */
-    if (bitVectBitValue(OP_USES(op),lic->key) || (unsigned) lic->defKey == op->key) {
+    if (bitVectBitValue(OP_USES(op),lic->key) || lic->defKey == op->key) {
       return NULL;
     }
     /* if GOTO or IFX */
@@ -1018,21 +1215,21 @@ static iCode *hasInc (operand *op, iCode *ic, int osize) {
 /* genAndOp - for && operation                                     */
 /*-----------------------------------------------------------------*/
 static void genAndOp (iCode * ic) {
-  printIc ("genAndOp(&&)", ic, 1,1,1);
+  printIc (0, "genAndOp(&&)", ic, 1,1,1);
 }
 
 /*-----------------------------------------------------------------*/
 /* genOrOp - for || operation                                      */
 /*-----------------------------------------------------------------*/
 static void genOrOp (iCode * ic) {
-  printIc ("genOrOp(||)", ic, 1,1,1);
+  printIc (0, "genOrOp(||)", ic, 1,1,1);
 }
 
 /*-----------------------------------------------------------------*/
 /* genAnd  - code for and                                            */
 /*-----------------------------------------------------------------*/
 static void genAnd (iCode * ic, iCode * ifx) {
-  printIc ("genAnd", ic, 1,1,1);
+  printIc (0, "genAnd", ic, 1,1,1);
 }
 
 /*-----------------------------------------------------------------*/
@@ -1043,7 +1240,7 @@ static void genOr (iCode * ic, iCode * ifx) {
   int size;
   char *instr;
 
-  printIc ("genOr", ic, 1,1,1);
+  printIc (0, "genOr", ic, 1,1,1);
 
   size=aopOp(result, TRUE, TRUE);
 
@@ -1091,7 +1288,7 @@ static void genOr (iCode * ic, iCode * ifx) {
 /* genXor - code for xclusive or                                   */
 /*-----------------------------------------------------------------*/
 static void genXor (iCode * ic, iCode * ifx) {
-  printIc ("genXor", ic, 1,1,1);
+  printIc (0, "genXor", ic, 1,1,1);
 }
 
 /*-----------------------------------------------------------------*/
@@ -1099,7 +1296,7 @@ static void genXor (iCode * ic, iCode * ifx) {
 /*-----------------------------------------------------------------*/
 static void genInline (iCode * ic) {
 
-  printIc ("genInline", ic, 0,0,0);
+  printIc (0, "genInline", ic, 0,0,0);
   
   emitcode ("", IC_INLINE(ic));
 }
@@ -1108,35 +1305,35 @@ static void genInline (iCode * ic) {
 /* genRRC - rotate right with carry                                */
 /*-----------------------------------------------------------------*/
 static void genRRC (iCode * ic) {
-  printIc ("genRRC", ic, 1,1,0);
+  printIc (0, "genRRC", ic, 1,1,0);
 }
 
 /*-----------------------------------------------------------------*/
 /* genRLC - generate code for rotate left with carry               */
 /*-----------------------------------------------------------------*/
 static void genRLC (iCode * ic) {
-  printIc ("genRLC", ic, 1,1,0);
+  printIc (0, "genRLC", ic, 1,1,0);
 }
 
 /*-----------------------------------------------------------------*/
 /* genGetHbit - generates code get highest order bit               */
 /*-----------------------------------------------------------------*/
 static void genGetHbit (iCode * ic) {
-  printIc ("genGetHbit", ic, 1,1,0);
+  printIc (0, "genGetHbit", ic, 1,1,0);
 }
 
 /*-----------------------------------------------------------------*/
 /* genLeftShift - generates code for left shifting                 */
 /*-----------------------------------------------------------------*/
 static void genLeftShift (iCode * ic) {
-  printIc ("genLeftShift", ic, 1,1,1);
+  printIc (0, "genLeftShift", ic, 1,1,1);
 }
 
 /*-----------------------------------------------------------------*/
 /* genRightShift - generate code for right shifting                */
 /*-----------------------------------------------------------------*/
 static void genRightShift (iCode * ic) {
-  printIc ("genRightShift", ic, 1,1,1);
+  printIc (0, "genRightShift", ic, 1,1,1);
 }
 
 /*-----------------------------------------------------------------*/
@@ -1148,7 +1345,11 @@ static void genPointerGet (iCode * ic, iCode *pi) {
   bool codePointer=IS_CODEPTR(operandType(left));
   int size;
 
-  printIc ("genPointerGet", ic, 1,1,0);
+  if (pi) {
+    printIc (0, "genPointerGet pi", ic, 1,1,0);
+  } else {
+    printIc (0, "genPointerGet", ic, 1,1,0);
+  }
 
   if (!IS_PTR(operandType(left))) {
     bailOut ("genPointerGet: pointer required");
@@ -1161,7 +1362,7 @@ static void genPointerGet (iCode * ic, iCode *pi) {
     symbol *tlbl1=newiTempLabel(NULL);
     symbol *tlbl2=newiTempLabel(NULL);
     emitcode ("cmp", "%s,#0x%02x", AOP_NAME(left)[1], CPOINTER);
-    emitcode ("bne", "%05d$", tlbl1->key+100);
+    emitcode ("beq", "%05d$", tlbl1->key+100);
     // far/near pointer
     if (pi) {
       emitcode ("mov", "%s,[%s+]", AOP_NAME(result)[0], AOP_NAME(left)[0]);
@@ -1199,6 +1400,10 @@ static void genPointerGet (iCode * ic, iCode *pi) {
 
   switch (AOP_TYPE(left)) 
     {
+    case AOP_LIT:
+      emitcode("mov","r1,%s", AOP_NAME(left)[0]);
+      sprintf (AOP_NAME(left)[0], "r1");
+      // fall through
     case AOP_REG:
       if (size>1) {
 	if (codePointer) {
@@ -1272,7 +1477,7 @@ static void genPointerSet (iCode * ic, iCode *pi) {
   operand *result=IC_RESULT(ic), *right=IC_RIGHT(ic);
   int size;
 
-  printIc ("genPointerSet", ic, 1,0,1);
+  printIc (0, "genPointerSet", ic, 1,0,1);
 
   if (!IS_PTR(operandType(result))) {
     bailOut ("genPointerSet: pointer required");
@@ -1327,11 +1532,11 @@ static void genIfx (iCode * ic, iCode * popIc) {
   int size;
   char *instr;
   bool trueOrFalse;
-  symbol *jlbl, *tlbl;
+  symbol *jlbl, *tlbl=newiTempLabel(NULL);
   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");
 
@@ -1348,14 +1553,15 @@ static void genIfx (iCode * ic, iCode * popIc) {
   switch (AOP_TYPE(cond) )
     {
     case AOP_BIT:
-      emitcode (trueOrFalse ? "jb" : "jbc", "%s,%05d$", 
-		AOP_NAME(cond)[0], jlbl->key+100);
+      emitcode (trueOrFalse ? "jnb" : "jb", "%s,%05d$", 
+		AOP_NAME(cond)[0], tlbl->key+100);
+      emitcode ("jmp", "%05d$", jlbl->key+100);
+      emitcode ("", "%05d$:", tlbl->key+100);
       return;
     case AOP_REG:
     case AOP_DIR:
     case AOP_FAR:
     case AOP_STK:
-      tlbl=newiTempLabel(NULL);
       if (size>1) {
 	instr="cmp.w";
       } else {
@@ -1385,7 +1591,7 @@ static void genAddrOf (iCode * ic) {
   int size;
   operand *left=IC_LEFT(ic);
 
-  printIc ("genAddrOf", ic, 1,1,0);
+  printIc (0, "genAddrOf", ic, 1,1,0);
 
   size=aopOp (IC_RESULT(ic), FALSE, TRUE);
 
@@ -1394,7 +1600,7 @@ static void genAddrOf (iCode * ic) {
 	      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);
+      emitcode ("mov.b", "%s,#0x%02x", AOP_NAME(IC_RESULT(ic))[1], FPOINTER);
     }
     return;
   }
@@ -1428,7 +1634,7 @@ static void genAssign (iCode * ic) {
   int size;
   char *instr;
 
-  printIc ("genAssign", ic, 1,0,1);
+  printIc (0, "genAssign", ic, 1,0,1);
   
   if (!IS_SYMOP(result)) {
     bailOut("genAssign: result is not a symbol");
@@ -1460,6 +1666,7 @@ static void genAssign (iCode * ic) {
     return;
   }
 
+  // TODO: if (-8 >= right==lit <= 7) instr=MOVS
   /* general case */
   if (size>1) {
     instr=MOVW;
@@ -1482,16 +1689,163 @@ static void genAssign (iCode * ic) {
 /* genJumpTab - genrates code for jump table                       */
 /*-----------------------------------------------------------------*/
 static void genJumpTab (iCode * ic) {
-  printIc ("genJumpTab", ic, 0,0,0);
+  printIc (0, "genJumpTab", ic, 0,0,0);
 }
 
 /*-----------------------------------------------------------------*/
 /* genCast - gen code for casting                                  */
 /*-----------------------------------------------------------------*/
 static void genCast (iCode * ic) {
-  printIc ("genCast", ic, 1,1,1);
+  int size;
+  operand *result=IC_RESULT(ic);
+  operand *right=IC_RIGHT(ic);
+  sym_link *ctype=operandType(IC_LEFT(ic));
+  sym_link *rtype=operandType(IC_RIGHT(ic));
+  sym_link *etype=getSpec(rtype);
+  short ptrType, signedness;
+
+  printIc (0, "genCast", ic, 1,1,1);
+
+  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_BIT) {
+    /* if right is literal, we know what the value is */
+    if (AOP_TYPE(right) == AOP_LIT) {
+      if (operandLitValue(right)) {
+	emitcode ("setb", AOP_NAME(result)[0]);
+      } else {
+	emitcode ("clr", AOP_NAME(result)[0]);
+      }
+      return;
+    }
+    /* if right is also a bit */
+    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; toBoolean", AOP_NAME(result), toBoolean(right));
+    return;
+  }
+
+  /* if right is a bit */
+  if (AOP_TYPE(right)==AOP_BIT) {
+    emitcode ("mov", "c,%s", AOP_NAME(right));
+    emitcode ("mov", "%s,#0", AOP_NAME(result)[0]);
+    emitcode ("rlc", "%s,#1", AOP_NAME(result)[0]);
+    if (size>2) {
+      emitcode ("mov", "%s,#0", AOP_NAME(result)[1]);
+    }
+    return;
+  }
+
+  /* if the result is of type pointer */
+  if (IS_PTR (ctype)) {
+
+    if (AOP_SIZE(right)>1) {
+      emitcode ("mov", "%s,%s",  AOP_NAME(result)[0], AOP_NAME(right)[0]);
+    } else {
+      emitcode ("mov", "r1l,%s", AOP_NAME(right)[0]);
+      emitcode ("sext", "r1h");
+      emitcode ("mov", "%s,r1",  AOP_NAME(result)[0]);
+    }
+    
+    /* if pointer to generic pointer */
+    if (IS_GENPTR (ctype)) {
+            
+      if (IS_GENPTR (rtype)) {
+	bailOut("genCast: gptr -> gptr");
+      }
+
+      if (IS_PTR (rtype)) {
+	ptrType = DCL_TYPE (rtype);
+      } else {
+	/* we have to go by the storage class */
+	if (!SPEC_OCLS(etype)) {
+	  ptrType=0; // hush the compiler
+	  bailOut("genCast: unknown storage class");
+	} else {
+	  ptrType = PTR_TYPE (SPEC_OCLS (etype));
+	}
+      }
+      
+      /* the generic part depends on the type */
+      switch (ptrType)
+	{
+	case POINTER:
+	  emitcode ("mov.b", "%s,#0x00", AOP_NAME(result)[1]);
+	  break;
+	case FPOINTER:
+	  emitcode ("mov.b", "%s,#0x01", AOP_NAME(result)[1]);
+	  break;
+	case CPOINTER:
+	  emitcode ("mov.b", "%s,#0x02", AOP_NAME(result)[1]);
+	  break;
+	default:
+	  bailOut("genCast: got unknown storage class");
+	}
+    }
+    return;
+  }
+
+  /* do we have to sign extend? */
+  signedness = SPEC_USIGN(rtype);
+
+  /* now depending on the size */
+  switch ((AOP_SIZE(result)<<4) + AOP_SIZE(right))
+    {
+    case 0x44:
+    case 0x33:
+      emitcode("mov", "%s,%s", AOP_NAME(result)[1], AOP_NAME(right)[1]);
+      // fall through
+    case 0x24:
+    case 0x22:
+    case 0x11:
+      emitcode("mov", "%s,%s", AOP_NAME(result)[0], AOP_NAME(right)[0]);
+      return;
+    case 0x42:
+      emitcode("mov", "%s,%s", AOP_NAME(result)[0], AOP_NAME(right)[0]);
+      if (signedness) {
+	emitcode("sext", "%s", AOP_NAME(result)[1]);
+      } else {
+	emitcode("mov", "%s,#0", AOP_NAME(result)[1]);
+      }
+      return;
+    case 0x41:
+    case 0x21:
+      emitcode("mov", "r1l,%s", AOP_NAME(right)[0]);
+      if (signedness) {
+	emitcode("sext", "r1h");
+      } else {
+	emitcode("mov", "r1h,#0");
+      }
+      emitcode("mov", "%s,r1", AOP_NAME(result)[0]);
+      if (size==2)
+	return;
+      // fall through: case 0x41
+      if (signedness) {
+	emitcode("sext", "r1");
+      } else {
+	emitcode("mov", "r1,#0");
+      }
+      emitcode("mov", "%s,r1", AOP_NAME(result)[1]);
+      return;
+    case 0x14:
+    case 0x12:
+      emitcode("mov", "r1,%s", AOP_NAME(right)[0]);
+      emitcode("mov", "%s,r1l", AOP_NAME(result)[0]);
+      return;
+    }
+  fprintf(stderr, "genCast: unknown size: %d:%d\n",
+	  AOP_SIZE(result), AOP_SIZE(right));
+  bailOut("genCast: unknown size");
 }
 
+
 /*-----------------------------------------------------------------*/
 /* genDjnz - generate decrement & jump if not zero instrucion      */
 /*-----------------------------------------------------------------*/
@@ -1520,7 +1874,7 @@ static bool genDjnz (iCode * ic, iCode * ifx) {
   if (getSize (operandType (IC_RESULT (ic))) > 2)
     return 0;
 
-  printIc ("genDjnz", ic, 1,1,1);
+  printIc (0, "genDjnz", ic, 1,1,1);
 
   /* otherwise we can save BIG */
   lbl = newiTempLabel (NULL);
@@ -1545,7 +1899,18 @@ static bool genDjnz (iCode * ic, iCode * ifx) {
 /* genReceive - generate code for a receive iCode                  */
 /*-----------------------------------------------------------------*/
 static void genReceive (iCode * ic) {
-  printIc ("genReceive", ic, 1,0,0);
+  printIc (0, "genReceive", ic, 1,0,0);
+}
+
+/*-----------------------------------------------------------------*/
+/* genDummyRead - generate code for dummy read of volatiles        */
+/*-----------------------------------------------------------------*/
+static void
+genDummyRead (iCode * ic)
+{
+  emitcode (";     genDummyRead","");
+
+  ic = ic;
 }
 
 /*-----------------------------------------------------------------*/
@@ -1554,52 +1919,50 @@ static void genReceive (iCode * ic) {
 void genXA51Code (iCode * lic) {
   iCode *ic;
   int cln = 0;
-  
+
   lineHead = lineCurr = NULL;
-  
+
   /* if debug information required */
   if (options.debug && currFunc)
     {
-      cdbSymbol (currFunc, cdbFile, FALSE, TRUE);
-      _G.debugLine = 1;
-      if (IS_STATIC (currFunc->etype))
-	emitcode ("", "F%s$%s$0$0 ==.", moduleName, currFunc->name);
-      else
-	emitcode ("", "G$%s$0$0 ==.", currFunc->name);
-      _G.debugLine = 0;
+      debugFile->writeFunction (currFunc, lic);
     }
-  
+
   for (ic = lic; ic; ic = ic->next) {
     if (ic->lineno && cln != ic->lineno) {
       if (options.debug) {
-	_G.debugLine = 1;
-	emitcode ("", "C$%s$%d$%d$%d ==.",
-		  FileBaseName (ic->filename), ic->lineno,
-		  ic->level, ic->block);
-	_G.debugLine = 0;
+	debugFile->writeCLine (ic);
+      }
+      if (!options.noCcodeInAsm) {
+	emitcode ("", ";\t%s:%d: %s", ic->filename, ic->lineno,
+		  printCLine(ic->filename, ic->lineno));
       }
-      emitcode ("", ";\t%s:%d: %s", ic->filename, ic->lineno, 
-		printCLine(ic->filename, ic->lineno));
       cln = ic->lineno;
     }
+    if (options.iCodeInAsm) {
+      char *iLine = printILine(ic);
+      emitcode("", ";ic:%d: %s", ic->key, iLine);
+      dbuf_free(iLine);
+    }
+
     /* if the result is marked as
        spilt and rematerializable or code for
        this has already been generated then
        do nothing */
     if (resultRemat (ic) || ic->generated)
       continue;
-    
+
     /* depending on the operation */
     switch (ic->op)
       {
       case '!':
 	genNot (ic);
 	break;
-	
+
       case '~':
 	genCpl (ic);
 	break;
-	
+
       case UNARYMINUS:
 	genUminus (ic);
 	break;
@@ -1681,15 +2044,13 @@ void genXA51Code (iCode * lic) {
 	break;
 	
       case LE_OP:
-	genCmpLe (ic);
-	break;
-
       case GE_OP:
-	genCmpGe (ic);
-	break;
-
       case NE_OP:
-	genCmpNe (ic);
+
+	/* 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");
 	break;
 
       case EQ_OP:
@@ -1727,7 +2088,7 @@ void genXA51Code (iCode * lic) {
       case RLC:
 	genRLC (ic);
 	break;
-	
+
       case GETHBIT:
 	genGetHbit (ic);
 	break;
@@ -1770,23 +2131,27 @@ void genXA51Code (iCode * lic) {
       case RECEIVE:
 	genReceive (ic);
 	break;
-	
+
       case SEND:
 	addSet (&_G.sendSet, ic);
 	break;
-	
+
+      case DUMMY_READ_VOLATILE:
+	genDummyRead (ic);
+	break;
+
       default:
 	ic = ic;
       }
   }
-  
-  
+
+
   /* now we are ready to call the
      peep hole optimizer */
   if (!options.nopeep)
     peepHole (&lineHead);
-  
+
   /* now do the actual printing */
-  printLine (lineHead, codeOutFile);
+  printLine (lineHead, codeOutBuf);
   return;
 }