{ARRAYINIT, "arrayInit", picGenericOne, NULL},
};
+// this makes it more easy to catch bugs
+struct bitVect *OP_DEFS(struct operand *op) {
+ wassert (IS_SYMOP(op));
+ return OP_SYMBOL(op)->defs;
+}
+struct bitVect *OP_DEFS_SET(struct operand *op, struct bitVect *bv) {
+ wassert (IS_SYMOP(op));
+ OP_SYMBOL(op)->defs=bv;
+ return bv;
+}
+struct bitVect *OP_USES(struct operand *op) {
+ wassert (IS_SYMOP(op));
+ return OP_SYMBOL(op)->uses;
+}
+struct bitVect *OP_USES_SET(struct operand *op, struct bitVect *bv) {
+ wassert (IS_SYMOP(op));
+ OP_SYMBOL(op)->uses=bv;
+ return bv;
+}
+
/*-----------------------------------------------------------------*/
/* checkConstantRange: check a constant against the type */
/*-----------------------------------------------------------------*/
pedantic>1: "char c=200" is not allowed (evaluates to -56)
*/
-void checkConstantRange(sym_link *ltype, value *val, char *msg, int pedantic) {
+void checkConstantRange(sym_link *ltype, value *val, char *msg,
+ int pedantic) {
double max;
- char message[132]="";
int warnings=0;
int negative=0;
long v;
max = pow ((double)2.0, (double)bitsForType(ltype));
if (SPEC_LONG(val->type)) {
- v=SPEC_CVAL(val->type).v_long;
+ if (SPEC_USIGN(val->type)) {
+ v=SPEC_CVAL(val->type).v_ulong;
+ } else {
+ v=SPEC_CVAL(val->type).v_long;
+ }
} else {
- v=SPEC_CVAL(val->type).v_int;
+ if (SPEC_USIGN(val->type)) {
+ v=SPEC_CVAL(val->type).v_uint;
+ } else {
+ v=SPEC_CVAL(val->type).v_int;
+ }
}
warnings++;
}
+#if 0 // temporary disabled, leaving the warning as a reminder
if (warnings) {
- sprintf (message, "for %s %s in %s",
+ SNPRINTF (message, sizeof(message), "for %s %s in %s",
SPEC_USIGN(ltype) ? "unsigned" : "signed",
nounName(ltype), msg);
werror (W_CONST_RANGE, message);
if (pedantic>1)
fatalError++;
}
+#endif
}
/*-----------------------------------------------------------------*/
case SYMBOL:
#define REGA 1
#ifdef REGA
- fprintf (file, "%s [k%d lr%d:%d so:%d]{ ia%d re%d rm%d nos%d}", /*{ar%d rm%d ru%d p%d a%d u%d i%d au%d k%d ks%d}" , */
+ fprintf (file, "%s [k%d lr%d:%d so:%d]{ ia%d re%d rm%d nos%d ru%d dp%d}", /*{ar%d rm%d ru%d p%d a%d u%d i%d au%d k%d ks%d}" , */
(OP_SYMBOL (op)->rname[0] ? OP_SYMBOL (op)->rname : OP_SYMBOL (op)->name),
op->key,
OP_LIVEFROM (op), OP_LIVETO (op),
OP_SYMBOL (op)->stack,
- op->isaddr, OP_SYMBOL (op)->isreqv, OP_SYMBOL (op)->remat,OP_SYMBOL(op)->noSpilLoc
+ op->isaddr, OP_SYMBOL (op)->isreqv,
+ OP_SYMBOL (op)->remat,OP_SYMBOL(op)->noSpilLoc,
+ OP_SYMBOL(op)->ruonly,OP_SYMBOL(op)->dptr
);
{
fprintf (file, "{");
if (!IC_RESULT (ic) && !IC_LEFT (ic))
fprintf (of, s);
+ if (ic->op == SEND || ic->op == RECEIVE) {
+ fprintf(of,"{argreg = %d}",ic->argreg);
+ }
fprintf (of, "\n");
}
{
iCode *ic;
- if (IS_VOID(OP_SYMBOL(condition)->type)) {
+ if (IS_VOID(operandType(condition))) {
werror(E_VOID_VALUE_USED);
}
symbol *itmp;
if (s)
- sprintf (buffer, "%s", s);
+ {
+ SNPRINTF (buffer, sizeof(buffer), "%s", s);
+ }
else
- sprintf (buffer, "iTemp%d", iTempNum++);
+ {
+ SNPRINTF (buffer, sizeof(buffer), "iTemp%d", iTempNum++);
+ }
+
itmp = newSymbol (buffer, 1);
- strcpy (itmp->rname, itmp->name);
+ strncpyz (itmp->rname, itmp->name, SDCC_NAME_MAX);
itmp->isitmp = 1;
return itmp;
return itmplbl;
if (s)
- itmplbl = newSymbol (s, 1);
+ {
+ itmplbl = newSymbol (s, 1);
+ }
else
{
- sprintf (buffer, "iTempLbl%d", iTempLblNum++);
+ SNPRINTF (buffer, sizeof(buffer), "iTempLbl%d", iTempLblNum++);
itmplbl = newSymbol (buffer, 1);
}
{
symbol *itmplbl;
- sprintf (buffer, "preHeaderLbl%d", iTempLblNum++);
+ SNPRINTF (buffer, sizeof(buffer), "preHeaderLbl%d", iTempLblNum++);
itmplbl = newSymbol (buffer, 1);
itmplbl->isitmp = 1;
case PCALL:
IC_RESULT (nic) = operandFromOperand (IC_RESULT (ic));
IC_LEFT (nic) = operandFromOperand (IC_LEFT (ic));
- IC_ARGS (nic) = IC_ARGS (ic);
break;
case INLINEASM:
return 0;
}
+
/*-----------------------------------------------------------------*/
/* isOperandInFarSpace - will return true if operand is in farSpace */
/*-----------------------------------------------------------------*/
return (IN_FARSPACE (SPEC_OCLS (etype)) ? TRUE : FALSE);
}
+/*------------------------------------------------------------------*/
+/* isOperandInDirSpace - will return true if operand is in dirSpace */
+/*------------------------------------------------------------------*/
+bool
+isOperandInDirSpace (operand * op)
+{
+ sym_link *etype;
+
+ if (!op)
+ return FALSE;
+
+ if (!IS_SYMOP (op))
+ return FALSE;
+
+ if (!IS_TRUE_SYMOP (op))
+ {
+ if (SPIL_LOC (op))
+ etype = SPIL_LOC (op)->etype;
+ else
+ return FALSE;
+ }
+ else
+ {
+ etype = getSpec (operandType (op));
+ }
+ return (IN_DIRSPACE (SPEC_OCLS (etype)) ? TRUE : FALSE);
+}
+
+/*--------------------------------------------------------------------*/
+/* isOperandInCodeSpace - will return true if operand is in codeSpace */
+/*--------------------------------------------------------------------*/
+bool
+isOperandInCodeSpace (operand * op)
+{
+ sym_link *etype;
+
+ if (!op)
+ return FALSE;
+
+ if (!IS_SYMOP (op))
+ return FALSE;
+
+ etype = getSpec (operandType (op));
+
+ if (!IS_TRUE_SYMOP (op))
+ {
+ if (SPIL_LOC (op))
+ etype = SPIL_LOC (op)->etype;
+ else
+ return FALSE;
+ }
+ else
+ {
+ etype = getSpec (operandType (op));
+ }
+ return (IN_CODESPACE (SPEC_OCLS (etype)) ? TRUE : FALSE);
+}
+
/*-----------------------------------------------------------------*/
/* isOperandOnStack - will return true if operand is on stack */
/*-----------------------------------------------------------------*/
return FALSE;
etype = getSpec (operandType (op));
+ if (IN_STACK (etype) ||
+ OP_SYMBOL(op)->onStack ||
+ (SPIL_LOC(op) && SPIL_LOC(op)->onStack))
+ return TRUE;
- return ((IN_STACK (etype)) ? TRUE : FALSE);
+ return FALSE;
}
/*-----------------------------------------------------------------*/
return floatFromVal (op->operand.valOperand);
}
+/*-----------------------------------------------------------------*/
+/* getBuiltInParms - returns parameters to a builtin functions */
+/*-----------------------------------------------------------------*/
+iCode *getBuiltinParms (iCode *ic, int *pcount, operand **parms)
+{
+ sym_link *ftype;
+
+ *pcount = 0;
+ /* builtin functions uses only SEND for parameters */
+ while (ic->op != CALL) {
+ assert(ic->op == SEND && ic->builtinSEND);
+ ic->generated = 1; /* mark the icode as generated */
+ parms[*pcount] = IC_LEFT(ic);
+ ic = ic->next;
+ (*pcount)++;
+ }
+
+ ic->generated = 1;
+ /* make sure this is a builtin function call */
+ assert(IS_SYMOP(IC_LEFT(ic)));
+ ftype = operandType(IC_LEFT(ic));
+ assert(IFFUNC_ISBUILTIN(ftype));
+ return ic;
+}
+
/*-----------------------------------------------------------------*/
/* operandOperation - perforoms operations on operands */
/*-----------------------------------------------------------------*/
(unsigned long) operandLitValue (right) :
(long) operandLitValue (right)));
break;
- case RIGHT_OP:
- retval = operandFromLit ((SPEC_USIGN(let) ?
- (unsigned long) operandLitValue (left) :
- (long) operandLitValue (left)) >>
- (SPEC_USIGN(ret) ?
- (unsigned long) operandLitValue (right) :
- (long) operandLitValue (right)));
+ case RIGHT_OP: {
+ double lval = operandLitValue(left), rval = operandLitValue(right);
+ double res=0;
+ switch ((SPEC_USIGN(let) ? 2 : 0) + (SPEC_USIGN(ret) ? 1 : 0))
+ {
+ case 0: // left=unsigned right=unsigned
+ res=(unsigned long)lval >> (unsigned long)rval;
+ break;
+ case 1: // left=unsigned right=signed
+ res=(unsigned long)lval >> (signed long)rval;
+ break;
+ case 2: // left=signed right=unsigned
+ res=(signed long)lval >> (unsigned long)rval;
+ break;
+ case 3: // left=signed right=signed
+ res=(signed long)lval >> (signed long)rval;
+ break;
+ }
+ retval = operandFromLit (res);
break;
+ }
case EQ_OP:
retval = operandFromLit (operandLitValue (left) ==
operandLitValue (right));
register equivalent for a local symbol */
if (sym->level && sym->etype && SPEC_OCLS (sym->etype) &&
(IN_FARSPACE (SPEC_OCLS (sym->etype)) &&
- /* (!TARGET_IS_DS390)) && */
(!(options.model == MODEL_FLAT24)) ) &&
options.stackAuto == 0)
ok = 0;
!sym->_isparm && /* not a parameter */
sym->level && /* is a local variable */
!sym->addrtaken && /* whose address has not been taken */
- !sym->reqv && /* does not already have a register euivalence */
+ !sym->reqv && /* does not already have a reg equivalence */
!IS_VOLATILE (sym->etype) && /* not declared as volatile */
!IS_STATIC (sym->etype) && /* and not declared static */
!sym->islbl && /* not a label */
OP_SYMBOL (sym->reqv)->key = sym->key;
OP_SYMBOL (sym->reqv)->isreqv = 1;
OP_SYMBOL (sym->reqv)->islocal = 1;
+ OP_SYMBOL (sym->reqv)->onStack = sym->onStack;
SPIL_LOC (sym->reqv) = sym;
}
else
IC_RESULT (ic)->isaddr = (!IS_AGGREGATE (sym->type));
- IC_RESULT (ic)->operand.symOperand->args = sym->args;
-
ADDTOCHAIN (ic);
return IC_RESULT (ic);
sym_link *ltype = operandType (*op1);
ctype = computeType (ltype, rtype);
+
*op1 = geniCodeCast (ctype, *op1, TRUE);
*op2 = geniCodeCast (ctype, *op2, TRUE);
if (IS_SPEC (type) &&
IS_TRUE_SYMOP (op) &&
(!IN_FARSPACE (SPEC_OCLS (etype)) ||
- /* TARGET_IS_DS390)) */
(options.model == MODEL_FLAT24) ))
{
op = operandFromOperand (op);
/* ic->supportRtn = ((IS_GENPTR(type) | op->isGptr) & op->isaddr); */
- /* if the right is a symbol */
- if (op->type == SYMBOL)
- IC_RESULT (ic)->operand.symOperand->args =
- op->operand.symOperand->args;
ADDTOCHAIN (ic);
return IC_RESULT (ic);
if (IS_PTR(type)) { // to a pointer
if (!IS_PTR(optype) && !IS_FUNC(optype) && !IS_AGGREGATE(optype)) { // from a non pointer
if (IS_INTEGRAL(optype)) {
- // maybe this is NULL, than it's ok.
+ // maybe this is NULL, than it's ok.
if (!(IS_LITERAL(optype) && (SPEC_CVAL(optype).v_ulong ==0))) {
if (!TARGET_IS_Z80 && !TARGET_IS_GBZ80 && IS_GENPTR(type)) {
// no way to set the storage
}
}
if (errors) {
- /* fprintf (stderr, "%s%s %d: ", op->operand.symOperand->name,
- implicit?"(implicit)":"", errors); */
- fprintf (stderr, "from type '");
- printTypeChain (optype, stderr);
- fprintf (stderr, "' to type '");
- printTypeChain (type, stderr);
- fprintf (stderr, "'\n");
+ printFromToType (optype, type);
}
/* if they are the same size create an assignment */
/* preserve the storage class & output class */
/* of the original variable */
restype = getSpec (operandType (IC_RESULT (ic)));
- SPEC_SCLS (restype) = SPEC_SCLS (opetype);
+ if (!IS_LITERAL(opetype))
+ SPEC_SCLS (restype) = SPEC_SCLS (opetype);
SPEC_OCLS (restype) = SPEC_OCLS (opetype);
ADDTOCHAIN (ic);
resType = usualBinaryConversions (&left, &right);
- /* if the right is a literal & power of 2 */
- /* then make it a right shift */
+ /* if the right is a literal & power of 2
+ and left is unsigned then make it a
+ right shift */
if (IS_LITERAL (retype) &&
!IS_FLOAT (letype) &&
+ SPEC_USIGN(letype) &&
(p2 = powof2 ((unsigned long)
floatFromVal (right->operand.valOperand)))) {
ic = newiCode (RIGHT_OP, left, operandFromLit (p2)); /* right shift */
ADDTOCHAIN (ic);
subtractExit:
+ if (IS_VOID(ltype->next) || IS_VOID(rtype->next)) {
+ return result;
+ }
+
+ // should we really do this? is this ANSI?
return geniCodeDivision (result,
operandFromLit (getSize (ltype->next)));
}
/* geniCodeAdd - generates iCode for addition */
/*-----------------------------------------------------------------*/
operand *
-geniCodeAdd (operand * left, operand * right,int lvl)
+geniCodeAdd (operand * left, operand * right, int lvl)
{
iCode *ic;
sym_link *resType;
int isarray = 0;
LRTYPE;
+#if 0
/* if left is an array then array access */
if (IS_ARRAY (ltype))
return geniCodeArray (left, right,lvl);
+#endif
/* if the right side is LITERAL zero */
/* return the left side */
if (IS_LITERAL (letype) && left->isLiteral && !floatFromVal (valFromType (letype)))
return right;
- /* if left is an array or pointer then size */
- if (IS_PTR (ltype))
+ /* if left is a pointer then size */
+ if (IS_PTR (ltype) || IS_ARRAY(ltype))
{
isarray = left->isaddr;
// there is no need to multiply with 1
resType = copyLinkChain (ltype);
}
else
- { /* make them the same size */
+ { // make them the same size
resType = usualBinaryConversions (&left, &right);
}
{
left = geniCodeRValue (left, FALSE);
}
- return geniCodeDerefPtr (geniCodeAdd (left, right,lvl),lvl);
+ return geniCodeDerefPtr (geniCodeAdd (left, right, lvl), lvl);
}
right = geniCodeMultiply (right,
true = ast2iCode (tree->right->left,lvl+1);
/* move the value to a new Operand */
- result = newiTempOperand (operandType (true), 0);
+ result = newiTempOperand (tree->right->ftype, 0);
geniCodeAssign (result, geniCodeRValue (true, FALSE), 0);
/* generate an unconditional goto */
/* first check the type for pointer assignement */
if (left->isaddr && IS_PTR (ltype) && IS_ITEMP (left) &&
- compareType (ltype, rtype) < 0)
+ compareType (ltype, rtype) <= 0)
{
if (compareType (ltype->next, rtype) < 0)
right = geniCodeCast (ltype->next, right, TRUE);
IS_ADDRESS_OF_OP (parms->right))
parms->right->left->lvalue = 1;
- parms->opval.oprnd =
+ parms->opval.oprnd =
geniCodeRValue (ast2iCode (parms,lvl+1), FALSE);
-
+
parms->type = EX_OPERAND;
+ AST_ARGREG(parms) = parms->etype ? SPEC_ARGREG(parms->etype) :
+ SPEC_ARGREG(parms->ftype);
}
/*-----------------------------------------------------------------*/
/* geniCodeParms - generates parameters */
/*-----------------------------------------------------------------*/
-static void
-geniCodeParms (ast * parms, int *stack, sym_link * fetype, symbol * func,int lvl)
+value *
+geniCodeParms (ast * parms, value *argVals, int *stack,
+ sym_link * fetype, symbol * func,int lvl)
{
iCode *ic;
operand *pval;
if (!parms)
- return;
+ return argVals;
+
+ if (argVals==NULL) {
+ // first argument
+ argVals=FUNC_ARGS(func->type);
+ }
/* if this is a param node then do the left & right */
if (parms->type == EX_OP && parms->opval.op == PARAM)
{
- geniCodeParms (parms->left, stack, fetype, func,lvl);
- geniCodeParms (parms->right, stack, fetype, func,lvl);
- return;
+ argVals=geniCodeParms (parms->left, argVals, stack, fetype, func,lvl);
+ argVals=geniCodeParms (parms->right, argVals, stack, fetype, func,lvl);
+ return argVals;
}
/* get the parameter value */
}
/* if register parm then make it a send */
- if (((parms->argSym && IS_REGPARM (parms->argSym->etype)) ||
- IS_REGPARM (parms->etype)) && !func->hasVargs)
+ if ((IS_REGPARM (parms->etype) && !IFFUNC_HASVARARGS(func->type)) ||
+ IFFUNC_ISBUILTIN(func->type))
{
ic = newiCode (SEND, pval, NULL);
+ ic->argreg = SPEC_ARGREG(parms->etype);
+ ic->builtinSEND = FUNC_ISBUILTIN(func->type);
ADDTOCHAIN (ic);
}
else
{
/* now decide whether to push or assign */
- if (!(options.stackAuto || IS_RENT (fetype)))
+ if (!(options.stackAuto || IFFUNC_ISREENT (func->type)))
{
/* assign */
- operand *top = operandFromSymbol (parms->argSym);
+ operand *top = operandFromSymbol (argVals->sym);
+ /* clear useDef and other bitVectors */
+ OP_USES_SET ((top), OP_DEFS_SET ((top), OP_SYMBOL(top)->clashes = NULL));
geniCodeAssign (top, pval, 1);
}
else
}
}
+ argVals=argVals->next;
+ return argVals;
}
/*-----------------------------------------------------------------*/
geniCodeSEParms (parms,lvl);
/* first the parameters */
- geniCodeParms (parms, &stack, getSpec (operandType (left)), OP_SYMBOL (left),lvl);
+ geniCodeParms (parms, NULL, &stack, getSpec (operandType (left)), OP_SYMBOL (left),lvl);
/* now call : if symbol then pcall */
- if (IS_OP_POINTER (left) || IS_ITEMP(left))
+ if (IS_OP_POINTER (left) || IS_ITEMP(left)) {
ic = newiCode (PCALL, left, NULL);
- else
+ } else {
ic = newiCode (CALL, left, NULL);
+ }
- IC_ARGS (ic) = left->operand.symOperand->args;
type = copyLinkChain (operandType (left)->next);
etype = getSpec (type);
SPEC_EXTR (etype) = 0;
/* for all arguments that are passed in registers */
while (args)
{
-
+ int first = 1;
if (IS_REGPARM (args->etype))
{
operand *opr = operandFromValue (args);
if (IN_FARSPACE (SPEC_OCLS (sym->etype)) &&
options.stackAuto == 0 &&
- /* !TARGET_IS_DS390) */
(!(options.model == MODEL_FLAT24)) )
{
}
}
}
- ic = newiCode (RECEIVE, NULL, NULL);
- currFunc->recvSize = getSize (sym->etype);
+ ic = newiCode (RECEIVE, NULL, NULL);
+ ic->argreg = SPEC_ARGREG(args->etype);
+ if (first) {
+ currFunc->recvSize = getSize (sym->type);
+ first = 0;
+ }
IC_RESULT (ic) = opr;
ADDTOCHAIN (ic);
}
/* create a proc icode */
ic = newiCode (FUNCTION, func, NULL);
- /* if the function has parmas then */
- /* save the parameters information */
- ic->argLabel.args = tree->values.args;
- ic->lineno = OP_SYMBOL (func)->lineDef;
+ lineno=ic->lineno = OP_SYMBOL (func)->lineDef;
ADDTOCHAIN (ic);
if (tree->trueLabel)
geniCodeGoto (tree->trueLabel);
else
- assert (1);
+ assert (0);
}
else
{
if (tree->falseLabel)
geniCodeGoto (tree->falseLabel);
else
- assert (1);
+ assert (0);
}
goto exit;
}
/* all integer numbers between the maximum & minimum must */
/* be present , the maximum value should not exceed 255 */
min = max = (int) floatFromVal (vch = caseVals);
- sprintf (buffer, "_case_%d_%d",
+ SNPRINTF (buffer, sizeof(buffer),
+ "_case_%d_%d",
tree->values.switchVals.swNum,
min);
addSet (&labels, newiTempLabel (buffer));
{
if (((t = (int) floatFromVal (vch)) - max) != 1)
return 0;
- sprintf (buffer, "_case_%d_%d",
+ SNPRINTF (buffer, sizeof(buffer),
+ "_case_%d_%d",
tree->values.switchVals.swNum,
t);
addSet (&labels, newiTempLabel (buffer));
return 0;
if (tree->values.switchVals.swDefault)
- sprintf (buffer, "_default_%d", tree->values.switchVals.swNum);
+ {
+ SNPRINTF (buffer, sizeof(buffer), "_default_%d", tree->values.switchVals.swNum);
+ }
else
- sprintf (buffer, "_swBrk_%d", tree->values.switchVals.swNum);
+ {
+ SNPRINTF (buffer, sizeof(buffer), "_swBrk_%d", tree->values.switchVals.swNum);
+ }
+
falseLabel = newiTempLabel (buffer);
operandFromValue (caseVals),
EQ_OP);
- sprintf (buffer, "_case_%d_%d",
+ SNPRINTF (buffer, sizeof(buffer), "_case_%d_%d",
tree->values.switchVals.swNum,
(int) floatFromVal (caseVals));
trueLabel = newiTempLabel (buffer);
/* if default is present then goto break else break */
if (tree->values.switchVals.swDefault)
- sprintf (buffer, "_default_%d", tree->values.switchVals.swNum);
+ {
+ SNPRINTF (buffer, sizeof(buffer), "_default_%d", tree->values.switchVals.swNum);
+ }
else
- sprintf (buffer, "_swBrk_%d", tree->values.switchVals.swNum);
+ {
+ SNPRINTF (buffer, sizeof(buffer), "_swBrk_%d", tree->values.switchVals.swNum);
+ }
falseLabel = newiTempLabel (buffer);
geniCodeGoto (falseLabel);
operand *right = NULL;
if (!tree)
return NULL;
+
/* set the global variables for filename & line number */
if (tree->filename)
filename = tree->filename;
projects / fw / sdcc / blobdiff