void AliasUses(BITINT *bits, IMODE *im, BOOLEAN rhs)
{
if (im)
{
if (rhs)
{
if (im->offset->type == en_tempref)
{
ormap(bits, tempInfo[im->offset->v.sp->value.i]->modifiedBy);
if (im->mode == i_direct)
{
im = LookupLoadTemp(im, im);
}
setbit(bits, termMap[im->offset->v.sp->value.i]);
}
else if (im->mode == i_direct)
{
ALIASNAME *an = LookupMem(im);
ALIASADDRESS *aa ;
an = LookupAliasName(an, 0);
aa = LookupAddress(an, 0);
while (aa->merge) aa = aa->merge;
if (aa->modifiedBy)
ormap(bits, aa->modifiedBy);
im = GetLoadTemp(im);
if (im)
{
setbit(bits, termMap[im->offset->v.sp->value.i]);
}
}
else if (im->mode == i_immed && !isintconst(im->offset) &&
!iscomplexconst(im->offset) &&
!isfloatconst(im->offset) && im->offset->type != en_labcon)
{
ALIASNAME *an = LookupMem(im);
ALIASADDRESS *aa ;
aa = LookupAddress(an, 0);
while (aa->merge) aa = aa->merge;
if (aa->modifiedBy)
ormap(bits, aa->modifiedBy);
im = im->offset->v.sp->imvalue;
if (im)
{
im = GetLoadTemp(im);
if (im)
{
setbit(bits, termMap[im->offset->v.sp->value.i]);
}
}
}
}
else
{
setbit(bits, termMap[im->offset->v.sp->value.i]);
}
}
}
static void ScanUIVs(void)
{
int n = (tempCount + BITINTBITS-1)/BITINTBITS;
BOOL done = FALSE;
ALIASLIST *al = parmList;
int i;
ResetProcessed();
uivBytes = aallocbit(tempCount);
/*
while (al)
{
scanDepends(uivBytes, al->address->pointsto, n);
al = al->next;
}
*/
for (i=0; i < DAGSIZE; i++)
{
ALIASADDRESS *aa = addresses[i];
while (aa)
{
ALIASADDRESS *aa1 = aa;
IMODE *im;
while (aa1->merge) aa1 = aa1->merge;
if (aa1->name->byUIV)
{
im = aa1->name->v.uiv->im;
}
else
{
im = aa1->name->v.name;
}
switch (im->offset->type)
{
case en_auto:
if (im->offset->v.sp->storage_class != sc_parameter)
break;
case en_global:
case en_label:
case en_pc:
case en_threadlocal:
im = GetLoadTemp(im);
if (im)
setbit(uivBytes, im->offset->v.sp->value.i);
break;
}
aa = aa->next;
}
}
complementmap(uivBytes);
}
static void ScanUIVs(void)
{
BOOLEAN done = FALSE;
ALIASLIST *al = parmList;
int i;
ResetProcessed();
uivBytes = aallocbit(termCount);
for (i=0; i < DAGSIZE; i++)
{
ALIASADDRESS *aa = addresses[i];
while (aa)
{
ALIASADDRESS *aa1 = aa;
IMODE *im;
while (aa1->merge) aa1 = aa1->merge;
if (aa1->name->byUIV)
{
im = aa1->name->v.uiv->im;
}
else
{
im = aa1->name->v.name;
}
switch (im->offset->type)
{
case en_auto:
case en_global:
case en_label:
case en_pc:
case en_threadlocal:
im = GetLoadTemp(im);
if (im)
setbit(uivBytes, termMap[im->offset->v.sp->value.i]);
break;
default:
break;
}
aa = aa->next;
}
}
}
