SYMBOL *gen_mp_virtual_thunk(SYMBOL *vsp)
{
QUAD *oi = intermed_head, *ot = intermed_tail;
LIST *v = mpthunklist;
SYMBOL *sp;
IMODE *ap1, *ap2;
char buf[256];
while (v)
{
sp = (SYMBOL*)v->data;
if (sp->value.i == vsp->value.classdata.vtabindex)
if (isstructured(vsp->tp->btp) == isstructured(sp->tp->btp))
return sp;
v = v->link;
}
intermed_head = intermed_tail = NULL;
blockMax = 0;
blockCount = tempCount = 0;
exitBlock = 0;
IncGlobalFlag();
sp = Alloc(sizeof(SYMBOL));
sp->storage_class = sc_static;
sp->tp = vsp->tp;
sp->value.i = vsp->value.classdata.vtabindex;
//sprintf(buf, "@$mpt$%d$%d", sp->value.i, isstructured(sp->tp->btp));
sp->name = sp->decoratedName = litlate(buf);
sp->errname = sp->decoratedName;
sp->staticlabel = FALSE;
sp->gennedvirtfunc = TRUE;
v = (LIST *)Alloc(sizeof(LIST));
v->data = sp;
v->link = mpthunklist;
mpthunklist = v;
DecGlobalFlag();
gen_virtual(sp, FALSE);
addblock(i_goto);
gen_icode(i_substack, NULL, ap2 = tempreg(ISZ_ADDR, 0), NULL);
gen_icode(i_add, ap2, ap2 , make_immed(ISZ_NONE, isstructured(sp->tp->btp) ? ISZ_ADDR * 2 : ISZ_ADDR));
ap1 = indnode(ap2, ISZ_ADDR);
gen_icode(i_assn, ap2 = tempreg(ISZ_ADDR, 0), ap1, 0);
if (sp->value.classdata.baseofs)
gen_icode(i_add, ap2, ap2, make_immed(ISZ_NONE, sp->value.classdata.baseofs));
ap1 = indnode(ap2, ISZ_ADDR);
gen_icode(i_assn, ap2 = tempreg(ISZ_ADDR, 0), ap1, 0);
gen_icode(i_add, ap2, ap2, make_immed(ISZ_NONE, sp->value.i));
ap1 = indnode(ap2, ISZ_ADDR);
gen_icode(i_directbranch, 0, ap1, 0);
addblock(i_ret);
optimize();
rewrite_icode(); /* Translate to machine code & dump */
if (chosenAssembler->gen->post_function_gen)
chosenAssembler->gen->post_function_gen(intermed_head);
gen_endvirtual(sp);
intermed_head = oi;
intermed_tail = ot;
return sp;
}
/*-------------------------------------------------------------------------*/
static void InsertParameterThunks(SYMBOL *funcsp, BLOCK *b)
{
HASHREC *hr = basetype(funcsp->tp)->syms->table[0];
QUAD *old , *oldit;
BLOCK *ocb = currentBlock;
old = b->head->fwd;
while (old != b->tail && old->dc.opcode != i_label) old = old->fwd;
old = old->fwd;
oldit = intermed_tail;
intermed_tail = old->back;
intermed_tail->fwd = NULL;
currentBlock = b;
while (hr)
{
SYMBOL *sp = (SYMBOL *)hr->p;
if (sp->tp->type == bt_void || sp->tp->type == bt_ellipse || isstructured(sp->tp))
{
hr = hr->next;
continue;
}
if (!sp->imvalue || sp->imaddress)
{
hr = hr->next;
continue;
}
if (funcsp->oldstyle && sp->tp->type == bt_float)
{
IMODE *right = (IMODE *)Alloc(sizeof(IMODE));
*right = *sp->imvalue;
right->size = ISZ_DOUBLE;
if (!chosenAssembler->arch->hasFloatRegs)
{
IMODE *dp = tempreg(ISZ_DOUBLE, 0);
IMODE *fp = tempreg(ISZ_FLOAT, 0);
/* oldstyle float gets promoted from double */
gen_icode(i_assn, dp, right, 0);
gen_icode(i_assn, fp, dp, 0);
gen_icode(i_assn, sp->imvalue, fp, 0);
}
}
hr = hr->next;
}
currentBlock = ocb;
if (old->back == b->tail)
{
b->tail = intermed_tail;
}
old->back = intermed_tail;
intermed_tail->fwd = old;
intermed_tail = oldit;
}
void mainloop(Screen &screen)
{
setcolor(EGERGB(255,255,255));
int temp1,temp2,temp3,temp4;
MyRectangle tempreg(0,0,0,0,&screen);
cleardevice();
int i,j;
j =getInteger("How many rectangle?");
MyRectangle *rectangle=new MyRectangle[j];
for(i=0;i<j;i++)
{
rectangle[i] =tempreg;
}
for(i=0;i<j;i++)
{
temp1 =getInteger("Set x1");
temp2 =getInteger("Set y1");
temp3 =getInteger("Set x2");
temp4 =getInteger("Set y2");
(rectangle+i)->setCoordinations(temp1,temp2,temp3,temp4);
}
for ( ; is_run(); delay_fps(60) )
{
cleardevice();
for(i=0;i<j;i++)
{
(rectangle+i)->Draw();
}
}
delete[] rectangle;
}
SYMBOL *gen_vsn_virtual_thunk(SYMBOL *func, int ofs)
{
QUAD *oi = intermed_head, *ot = intermed_tail;
SYMBOL *sp;
IMODE *ap1, *ap2;
char buf[256];
//sprintf(buf, "@$vsn%s$%d", func->decoratedName, ofs);
sp = search(buf, gsyms);
if (sp)
return sp;
intermed_head = intermed_tail = NULL;
blockMax = 0;
blockCount = tempCount = 0;
exitBlock = 0;
IncGlobalFlag();
sp = Alloc(sizeof(SYMBOL));
sp->storage_class = sc_static;
sp->value.i = ofs;
sp->name = sp->decoratedName = litlate(buf);
sp->errname = sp->decoratedName;
sp->staticlabel = FALSE;
sp->tp = func->tp;
sp->gennedvirtfunc = TRUE;
insert(sp, gsyms);
DecGlobalFlag();
gen_virtual(sp, FALSE);
addblock(i_goto);
gen_icode(i_substack, NULL, ap2 = tempreg(ISZ_ADDR, 0), NULL );
gen_icode(i_add, ap1 = tempreg(ISZ_ADDR, 0), ap2, make_immed(ISZ_NONE, getSize(bt_pointer)));
ap1 = indnode(ap1, ISZ_ADDR);
gen_icode(i_add, ap1, ap1 , make_immed(ISZ_NONE, - ofs));
ap1 = make_imaddress(varNode(en_napccon, func), ISZ_ADDR);
gen_icode(i_directbranch, 0, ap1, 0);
addblock(i_ret);
optimize();
rewrite_icode(); /* Translate to machine code & dump */
if (chosenAssembler->gen->post_function_gen)
chosenAssembler->gen->post_function_gen(intermed_head);
gen_endvirtual(sp);
intermed_head = oi;
intermed_tail = ot;
return sp;
}
static int AllocTempOpt(int size1)
{
// int n = nextTemp;
int t;
int i;
/*
for (i= nextTemp; i < tempCount; i++)
if (!tempInfo[i]->inUse && tempInfo[i]->enode)
{
EXPRESSION *rv = tempInfo[i]->enode;
rv->v.sp->imvalue->size = size1;
rv->v.sp->imind = NULL;
memset(tempInfo[i], 0, sizeof(TEMP_INFO));
tempInfo[i]->enode = rv;
t = i;
break;
}
if (i == tempCount)
{
for (i=0; i < nextTemp; i++)
if (!tempInfo[i]->inUse && tempInfo[i]->enode)
{
EXPRESSION *rv = tempInfo[i]->enode;
rv->v.sp->imvalue->size = size1;
rv->v.sp->imind = NULL;
memset(tempInfo[i], 0, sizeof(TEMP_INFO));
tempInfo[i]->enode = rv;
t = i;
break;
}
if (i == nextTemp)
{*/
IMODE *rv = tempreg(size1, FALSE);
t = rv->offset->v.sp->value.i;
if (t >= tempSize)
{
TEMP_INFO **temp = oAlloc((tempSize + 1000) * sizeof(TEMP_INFO *));
memcpy(temp, tempInfo, sizeof(TEMP_INFO *) * tempSize);
tempSize += 1000;
tempInfo = temp;
}
if (!tempInfo[t])
tempInfo[t] = (TEMP_INFO *)oAlloc(sizeof(TEMP_INFO));
tempInfo[t]->enode = rv->offset;
// }
// }
nextTemp = t;
tempInfo[t]-> partition = t;
tempInfo[t]->color = -1;
tempInfo[t]->inUse = TRUE;
return t;
}
IMODE *call_library(char *lib_name, int size)
/*
* generate a call to a library routine.
*/
{
IMODE *result;
result = set_symbol(lib_name, 1);
gen_icode(i_gosub, 0, result, 0);
gen_icode(i_parmadj, 0, make_parmadj(size), make_parmadj(size));
result = tempreg(ISZ_UINT, 0);
result->retval = TRUE;
return result;
}
void genreturn(STATEMENT *stmt, SYMBOL *funcsp, int flag, int noepilogue, IMODE *allocaAP)
/*
* generate a return statement.
*/
{
IMODE *ap, *ap1, *ap3;
EXPRESSION ep;
/* returns a value? */
if (stmt != 0 && stmt->select != 0)
{
if (basetype(funcsp->tp)->btp && (isstructured(basetype(funcsp->tp)->btp) ||
basetype(basetype(funcsp->tp)->btp)->type == bt_memberptr))
{
SYMBOL *sp = anonymousVar(sc_parameter, &stdpointer);
EXPRESSION *en = varNode(en_auto, sp);
IMODE *ap3 = gen_expr(funcsp, stmt->select, 0, ISZ_ADDR), *ap2, *ap1;
DumpIncDec(funcsp);
if (!ap3->retval)
{
ap1 = LookupLoadTemp(NULL, ap3);
if (ap1 != ap3)
{
IMODE *barrier;
if (stmt->select->isatomic)
{
barrier = doatomicFence(funcsp, stmt->select, NULL);
}
gen_icode(i_assn, ap1, ap3, NULL);
if (stmt->select->isatomic)
{
doatomicFence(funcsp, stmt->select, barrier);
}
}
}
else
{
ap1 = ap3;
}
if ((funcsp->linkage == lk_pascal) &&
basetype(funcsp->tp)->syms->table[0] &&
((SYMBOL *)basetype(funcsp->tp)->syms->table[0])->tp->type != bt_void)
{
sp->offset = funcsp->paramsize;
}
else
{
sp->offset = chosenAssembler->arch->retblocksize+(funcsp->farproc
*getSize(bt_pointer));
if (funcsp->storage_class == sc_member || funcsp->storage_class == sc_virtual)
sp->offset += getSize(bt_pointer);
}
en = exprNode(en_l_p, en, NULL);
ap3 = gen_expr(funcsp, en, 0, ISZ_ADDR);
ap = LookupLoadTemp(NULL, ap3);
if (ap != ap3)
{
IMODE *barrier;
if (en->isatomic)
{
barrier = doatomicFence(funcsp, en, NULL);
}
gen_icode(i_assn, ap, ap3, NULL);
if (en->isatomic)
{
doatomicFence(funcsp, en, barrier);
}
}
gen_icode(i_assnblock, make_immed(ISZ_NONE, basetype(funcsp->tp)->btp->size),
ap, ap1);
ap1 = tempreg(ISZ_ADDR, 0);
ap1->retval = TRUE;
gen_icode(i_assn, ap1, ap, NULL);
}
else if (basetype(funcsp->tp)->btp && basetype(funcsp->tp)->btp->type ==
bt_memberptr)
{
ap3 = gen_expr(funcsp, stmt->select, F_VOL, ISZ_ADDR);
DumpIncDec(funcsp);
ap = LookupLoadTemp(NULL, ap3);
if (ap != ap3)
{
IMODE *barrier;
if (stmt->select->isatomic)
{
barrier = doatomicFence(funcsp, stmt->select, NULL);
}
gen_icode(i_assn, ap, ap3, NULL);
if (stmt->select->isatomic)
{
doatomicFence(funcsp, stmt->select, barrier);
}
}
ap1 = tempreg(ISZ_ADDR, 0);
ap1->retval = TRUE;
gen_icode(i_assn, ap1, ap, 0);
}
else
{
int size = natural_size(stmt->select);
ap3 = gen_expr(funcsp, stmt->select, 0, size);
DumpIncDec(funcsp);
ap = LookupLoadTemp(NULL, ap3);
if (ap != ap3)
{
IMODE *barrier;
if (stmt->select->isatomic)
{
barrier = doatomicFence(funcsp, stmt->select, NULL);
}
gen_icode(i_assn, ap, ap3, NULL);
if (stmt->select->isatomic)
{
doatomicFence(funcsp, stmt->select, barrier);
}
}
if (abs(size) < ISZ_UINT)
size = -ISZ_UINT;
ap1 = tempreg(size, 0);
ap1->retval = TRUE;
gen_icode(i_assn, ap1, ap, 0);
}
}
else
{
DumpIncDec(funcsp);
}
/* create the return or a branch to the return
* return is put at end of function...
*/
if (flag)
{
int retsize = 0;
if (funcsp->linkage == lk_pascal || funcsp->linkage == lk_stdcall)
{
retsize = funcsp->paramsize ;
}
gen_label(retlab);
if (!noepilogue)
{
if (allocaAP)
{
gen_icode(i_loadstack, 0, allocaAP, 0);
}
/* if (funcsp->loadds && funcsp->farproc)
gen_icode(i_unloadcontext,0,0,0);
*/
gen_icode(i_epilogue,0,0,0);
if (funcsp->linkage == lk_interrupt || funcsp->linkage == lk_fault) {
/* if (funcsp->loadds)
gen_icode(i_unloadcontext,0,0,0);
*/
gen_icode(i_popcontext, 0,0,0);
gen_icode(i_rett, 0, make_immed(ISZ_NONE,funcsp->linkage == lk_interrupt), 0);
} else
{
gen_icode(i_ret, 0, make_immed(ISZ_NONE,retsize), 0);
}
}
}
else
{
/* not using gen_igoto because it will make a new block */
gen_icode(i_goto, NULL, NULL, NULL);
intermed_tail->dc.v.label = retlab;
}
}
void genreturn(STATEMENT *stmt, SYMBOL *funcsp, int flag, int noepilogue, IMODE *allocaAP)
/*
* generate a return statement.
*/
{
IMODE *ap = NULL, *ap1, *ap3;
EXPRESSION ep;
int size;
/* returns a value? */
if (stmt != 0 && stmt->select != 0)
{
if (basetype(funcsp->tp)->btp && (isstructured(basetype(funcsp->tp)->btp) ||
basetype(basetype(funcsp->tp)->btp)->type == bt_memberptr))
{
EXPRESSION *en = anonymousVar(sc_parameter, &stdpointer);
SYMBOL *sp = en->v.sp;
gen_expr(funcsp, stmt->select, 0, ISZ_ADDR);
DumpIncDec(funcsp);
sp->offset = chosenAssembler->arch->retblocksize;
sp->allocate = FALSE;
if ((funcsp->linkage == lk_pascal) &&
basetype(funcsp->tp)->syms->table[0] &&
((SYMBOL *)basetype(funcsp->tp)->syms->table[0])->tp->type != bt_void)
sp->offset = funcsp->paramsize;
deref(&stdpointer, &en);
ap = gen_expr(funcsp, en, 0, ISZ_ADDR);
size = ISZ_ADDR;
}
else
{
size = natural_size(stmt->select);
ap3 = gen_expr(funcsp, stmt->select, 0, size);
DumpIncDec(funcsp);
ap = LookupLoadTemp(NULL, ap3);
if (ap != ap3)
{
IMODE *barrier;
if (stmt->select->isatomic)
{
barrier = doatomicFence(funcsp, stmt->select, NULL);
}
gen_icode(i_assn, ap, ap3, NULL);
if (stmt->select->isatomic)
{
doatomicFence(funcsp, stmt->select, barrier);
}
}
if (abs(size) < ISZ_UINT)
size = -ISZ_UINT;
}
}
else
{
DumpIncDec(funcsp);
}
if (ap)
{
ap1 = tempreg(size, 0);
ap1->retval = TRUE;
gen_icode(i_assn, ap1, ap, 0);
}
if (stmt && stmt->destexp)
{
gen_expr(funcsp, stmt->destexp, F_NOVALUE, ISZ_ADDR);
}
/* create the return or a branch to the return
* return is put at end of function...
*/
if (flag)
{
int retsize = 0;
if (funcsp->linkage == lk_pascal || funcsp->linkage == lk_stdcall)
{
retsize = funcsp->paramsize ;
}
gen_label(retlab);
if (!noepilogue)
{
if (allocaAP)
{
gen_icode(i_loadstack, 0, allocaAP, 0);
}
/* if (funcsp->loadds && funcsp->farproc)
gen_icode(i_unloadcontext,0,0,0);
*/
if (cparams.prm_xcept && funcsp->xc && funcsp->xc->xcRundownFunc)
gen_expr(funcsp, funcsp->xc->xcRundownFunc, F_NOVALUE, ISZ_UINT);
gen_icode(i_epilogue,0,0,0);
if (funcsp->linkage == lk_interrupt || funcsp->linkage == lk_fault) {
/* if (funcsp->loadds)
gen_icode(i_unloadcontext,0,0,0);
*/
gen_icode(i_popcontext, 0,0,0);
gen_icode(i_rett, 0, make_immed(ISZ_UINT,funcsp->linkage == lk_interrupt), 0);
} else
{
gen_icode(i_ret, 0, make_immed(ISZ_UINT,retsize), 0);
}
}
}
else
{
/* not using gen_igoto because it will make a new block */
gen_icode(i_goto, NULL, NULL, NULL);
intermed_tail->dc.v.label = retlab;
}
}
static void renameToTemps(SYMBOL *funcsp)
{
HASHTABLE *temp = funcsp->inlineFunc.syms;
if (!cparams.prm_optimize || functionHasAssembly)
return;
/* if there is a setjmp in the function, no variable gets moved into a reg */
if (setjmp_used)
return;
while (temp)
{
HASHREC *hr = temp->table[0];
while (hr)
{
SYMBOL *sp = (SYMBOL *)hr->p;
TYPE *tp;
/* needed for pointer aliasing */
if (!sp->imvalue && basetype(sp->tp)->type != bt_memberptr && !isstructured(sp->tp) && sp->tp->type != bt_ellipse && sp->tp->type != bt_aggregate)
{
if (sp->storage_class != sc_auto && sp->storage_class !=
sc_register)
{
IncGlobalFlag();
}
if (sp->imaddress)
{
IMODE *im = Alloc(sizeof(IMODE));
*im = *sp->imaddress;
im->size = sizeFromType(sp->tp);
im->mode = i_direct;
sp->imvalue = im;
}
else if (sp->imind)
{
IMODE *im = Alloc(sizeof(IMODE));
*im = *sp->imind->im;
im-> size = ISZ_ADDR;
im->mode = i_direct;
sp->imvalue = im;
}
else
sp->imvalue = tempreg(sizeFromType(sp->tp), FALSE);
if (sp->storage_class != sc_auto && sp->storage_class !=
sc_register)
{
DecGlobalFlag();
}
}
tp = sp->tp;
if (tp->type == bt_typedef)
tp = tp->btp;
if (!sp->pushedtotemp && sp->storage_class != sc_parameter && !sp->imaddress && !sp->inasm
&& ((chosenAssembler->arch->hasFloatRegs || tp->type < bt_float) && tp->type < bt_void || basetype(tp)->type == bt_pointer && basetype(tp)->btp->type != bt_func
|| isref(tp))
&& (sp->storage_class == sc_auto || sp->storage_class == sc_register)
&& !sp->usedasbit)
{
/* this works because all IMODES refering to the same
* variable are the same, at least until this point
* that will change when we start inserting temps
*/
EXPRESSION *ep = tempenode();
ep->v.sp->tp = sp->tp;
ep->right = (EXPRESSION *)sp;
/* marking both the orignal var and the new temp as pushed to temp*/
sp->pushedtotemp = TRUE ;
ep->v.sp->pushedtotemp = TRUE;
sp->allocate = FALSE;
if (sp->imvalue)
{
ep->isvolatile = sp->imvalue->offset->isvolatile;
ep->isrestrict = sp->imvalue->offset->isrestrict;
sp->imvalue->offset = ep ;
}
if (sp->imind)
{
IMODELIST *iml = sp->imind;
ep->isvolatile = sp->imind->im->offset->isvolatile;
ep->isrestrict = sp->imind->im->offset->isrestrict;
while (iml)
{
iml->im->offset = ep;
iml = iml->next;
}
}
ep->v.sp->imvalue = sp->imvalue;
}
hr = hr->next;
}
temp = temp->next;
}
}
