* sim/ucsim/cmd.src/cmdutil.cc: NUL device is detected as CG_FILE type
[fw/sdcc] / src / pic16 / gen.c
index 898f47302e83cacbfe09e06d7319053cd4b539b2..c03145c48b829e10b2cd956c8bf09602c261e20b 100644 (file)
@@ -182,7 +182,7 @@ static struct {
 
 extern int pic16_ptrRegReq ;
 extern int pic16_nRegs;
-extern FILE *codeOutFile;
+extern struct dbuf_s *codeOutBuf;
 //static void saverbank (int, iCode *,bool);
 
 static lineNode *lineHead = NULL;
@@ -266,6 +266,7 @@ void pic16_emitpcomment (char *fmt, ...)
                     (lineHead = newLineNode(lb)));
     lineCurr->isInline = _G.inLine;
     lineCurr->isDebug  = _G.debugLine;
+    lineCurr->isComment = 1;
 
     pic16_addpCode2pBlock(pb,pic16_newpCodeCharP(lb));
     va_end(ap);
@@ -378,6 +379,8 @@ void pic16_emitcode (char *inst,char *fmt, ...)
                     (lineHead = newLineNode(lb)));
     lineCurr->isInline = _G.inLine;
     lineCurr->isDebug  = _G.debugLine;
+    lineCurr->isLabel = (lbp[strlen (lbp) - 1] == ':');
+    lineCurr->isComment = (*lbp == ';');
 
 // VR    fprintf(stderr, "lb = <%s>\n", lbp);
 
@@ -952,7 +955,9 @@ static asmop *aopForRemat (operand *op, bool result) // x symbol *sym)
        for (;;) {
                oldic = ic;
 
-//             pic16_emitpcomment("ic: %s\n", printILine(ic));
+//              chat *iLine = printILine(ic);
+//             pic16_emitpcomment("ic: %s\n", iLine);
+//              dbuf_free(iLine);
        
                if (ic->op == '+') {
                        val += (int) operandLitValue(IC_RIGHT(ic));
@@ -3593,12 +3598,6 @@ static int resultRemat (iCode *ic)
   return 0;
 }
 
-#if defined(__BORLANDC__) || defined(_MSC_VER)
-#define STRCASECMP stricmp
-#else
-#define STRCASECMP strcasecmp
-#endif
-
 #if 0
 /*-----------------------------------------------------------------*/
 /* inExcludeList - return 1 if the string is in exclude Reg list   */
@@ -3705,6 +3704,9 @@ static void genFunction (iCode *ic)
     pic16_emitcode(";"," function %s",sym->name);
     pic16_emitcode(";","-----------------------------------------");
 
+    /* prevent this symbol from being emitted as 'extern' */
+    pic16_stringInSet(sym->rname, &pic16_localFunctions, 1);
+
     pic16_emitcode("","%s:",sym->rname);
     pic16_addpCode2pBlock(pb,pic16_newpCodeFunction(moduleName,sym->rname));
 
@@ -3755,6 +3757,8 @@ static void genFunction (iCode *ic)
         pic16_pushpCodeOp( pic16_popCopyReg( &pic16_pc_prodh ));
         pic16_pushpCodeOp( pic16_popCopyReg( &pic16_pc_fsr0l ));
         pic16_pushpCodeOp( pic16_popCopyReg( &pic16_pc_fsr0h ));
+        pic16_pushpCodeOp( pic16_popCopyReg( &pic16_pc_pclath ));
+        pic16_pushpCodeOp( pic16_popCopyReg( &pic16_pc_pclatu ));
         
 //        pic16_pBlockConvert2ISR(pb);
     }
@@ -3939,6 +3943,8 @@ static void genEndFunction (iCode *ic)
     _G.useWreg = 0;
 
     if (IFFUNC_ISISR(sym->type)) {
+      pic16_poppCodeOp( pic16_popCopyReg( &pic16_pc_pclatu ));
+      pic16_poppCodeOp( pic16_popCopyReg( &pic16_pc_pclath ));
       pic16_poppCodeOp( pic16_popCopyReg( &pic16_pc_fsr0h ));
       pic16_poppCodeOp( pic16_popCopyReg( &pic16_pc_fsr0l));
       pic16_poppCodeOp( pic16_popCopyReg( &pic16_pc_prodh ));
@@ -11715,7 +11721,7 @@ static void genPackBits (sym_link    *etype , operand *result,
       || SPEC_BLEN(etype) <= 8 )  {
     int fsr0_setup = 0;
 
-    if (blen != 8 || bstr != 0) {
+    if (blen != 8 || (bstr % 8) != 0) {
       // we need to combine the value with the old value
       if(!shifted_and_masked)
       {
@@ -11750,7 +11756,12 @@ static void genPackBits (sym_link    *etype , operand *result,
         if (lit != 0)
          pic16_emitpcode(POC_IORLW, pic16_popGetLit(lit));
       }
-    } // if (blen != 8 || bstr != 0)
+    } else { // if (blen == 8 && (bstr % 8) == 0)
+       if (shifted_and_masked) {
+           // move right (literal) to WREG (only case where right is not yet in WREG)
+           pic16_mov2w(AOP(right), (bstr / 8));
+       }
+    }
 
     /* write new value back */
     if ((IS_SYMOP(result) && !IS_PTR(operandType(result)))
@@ -13623,11 +13634,12 @@ void genpic16Code (iCode *lic)
       }
        
       if(options.iCodeInAsm) {
-        char *l;
+        char *iLine;
 
           /* insert here code to print iCode as comment */
-          l = Safe_strdup(printILine(ic));
-          pic16_emitpcomment("ic:%d: %s", ic->seq, l);
+          iLine = printILine(ic);
+          pic16_emitpcomment("ic:%d: %s", ic->seq, iLine);
+          dbuf_free(iLine);
       }
 
       /* if the result is marked as
@@ -13835,7 +13847,7 @@ void genpic16Code (iCode *lic)
       peepHole (&lineHead);
 
     /* now do the actual printing */
-    printLine (lineHead, codeOutFile);
+    printLine (lineHead, codeOutBuf);
 
 #ifdef PCODE_DEBUG
     DFPRINTF((stderr,"printing pBlock\n\n"));