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netgen
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Merge branch 'master' into netgen-1.5

This commit is contained in:
Tim Edwards 2021-02-17 03:00:31 -05:00
parent 8395df633c 402e1f0f25
commit 5341d7a5fd
3 changed files with 42 additions and 14 deletions
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2
VERSION
View File

@ -1 +1 @@
1.5.166
1.5.167

43
base/flatten.c
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@ -253,7 +253,7 @@ int flattenInstancesOf(char *name, int fnum, char *instance)
{
struct objlist *ParentParams;
struct objlist *ParentProps;
struct objlist *NextObj;
struct objlist *NextObj, *LastObj, *prepp;
struct objlist *ChildObjList;
struct nlist *ThisCell;
struct nlist *ChildCell;
@ -296,21 +296,35 @@ int flattenInstancesOf(char *name, int fnum, char *instance)
while (notdone) {
notdone = 0;
ParentParams = ThisCell->cell;
LastObj = NULL;
for (ParentParams = ThisCell->cell; ParentParams != NULL;
ParentParams = NextObj) {
if (Debug) Printf("Parent = %s, type = %d\n",
ParentParams->name, ParentParams->type);
NextObj = ParentParams->next;
if (ParentParams->type != FIRSTPIN) continue;
if (!(*matchfunc)(ParentParams->model.class, instance)) continue;
if (ParentParams->type != FIRSTPIN) {
LastObj = ParentParams;
continue;
}
if (!(*matchfunc)(ParentParams->model.class, instance)) {
LastObj = ParentParams;
continue;
}
ChildCell = LookupCellFile(ParentParams->model.class, ThisCell->file);
if (Debug)
Printf(" Flattening instance: %s, primitive = %s\n",
ParentParams->instance.name, (ChildCell->class ==
CLASS_SUBCKT) ? "no" : "yes");
if (ChildCell->class != CLASS_SUBCKT) continue;
if (ChildCell == ThisCell) continue; // Avoid infinite loop
if (ChildCell->class != CLASS_SUBCKT) {
LastObj = ParentParams;
continue;
}
if (ChildCell == ThisCell) {
LastObj = ParentParams;
continue; // Avoid infinite loop
}
/* Does the parent cell have properties? If so, save a pointer to them */
for (ParentProps = ParentParams->next; ParentProps &&
@ -373,9 +387,9 @@ int flattenInstancesOf(char *name, int fnum, char *instance)
}
/* in pathological cases, the lengths of the port lists may
change. This is an error, but that is no reason to allow
the code to core dump. We avoid this by placing a
superfluous check on ob2->type
* change. This is an error, but that is no reason to allow
* the code to core dump. We avoid this by placing a
* superfluous check on ob2->type
*/
if (ob2 != NULL)
@ -497,8 +511,19 @@ int flattenInstancesOf(char *name, int fnum, char *instance)
for (ob2 = ChildObjList; ob2 && ob2->next != NULL; ob2 = ob2->next) ;
}
else {
/* find ParentParams in ThisCell list */
/* find ParentParams in ThisCell list. In most cases, LastObj */
/* should be pointing to it. */
if (LastObj && (LastObj->next == ParentParams)) {
ob2 = LastObj;
}
else {
for (ob2 = LastObj; ob2 && ob2->next != ParentParams; ob2=ob2->next);
if (ob2 == NULL) {
/* It should not happen that LastObj is ahead of ParentParams */
/* but just in case, this long loop will find it. */
for (ob2 = ThisCell->cell; ob2 && ob2->next != ParentParams; ob2=ob2->next);
}
}
if (ob2)
for (ob2->next = ChildObjList; ob2->next != NULL; ob2 = ob2->next) ;
}

3
base/netgen.c
View File

@ -3132,6 +3132,9 @@ int remove_group_tags(struct objlist *ob)
/* If the device has permutable pins, then duplicate hashes are made */
/* for each permutation. */
/* */
/* If the device has isolated (unconnected) pins, then treat them as */
/* all belonging to the same net for the purpose of parallel merging. */
/* */
/* Return the number of devices merged. */
/*----------------------------------------------------------------------*/