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Properly elaborate repeat concatenations.

This commit is contained in:
steve 2000-05-07 20:48:14 +00:00
parent ca6631fdda
commit 35a2690d75
1 changed files with 25 additions and 6 deletions
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31
elab_net.cc
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT) && !defined(macintosh)
#ident "$Id: elab_net.cc,v 1.35 2000/05/07 19:40:26 steve Exp $"
#ident "$Id: elab_net.cc,v 1.36 2000/05/07 20:48:14 steve Exp $"
#endif
# include "PExpr.h"
@ -831,15 +831,31 @@ NetNet* PEConcat::elaborate_net(Design*des, const string&path,
unsigned long repeat = rep->as_ulong();
/* Elaborate the expression the first time to figure out
how wide the expression is. Then create a NetTmp
object big enough to hold all the repetitions. */
assert(parms_.count() == 1);
NetNet*obj = parms_[0]->elaborate_net(des, path, 0, rise,
fall, decay);
NetTmp*tmp = new NetTmp(scope, des->local_symbol(path),
repeat * obj->pin_count());
for (unsigned idx = 0 ; idx < repeat ; idx += 1) {
unsigned base = obj->pin_count() * idx;
for (unsigned pin = 0 ; pin < obj->pin_count() ; pin += 1)
unsigned per_count = obj->pin_count();
NetTmp*tmp = new NetTmp(scope, des->local_symbol(path),
repeat * per_count);
for (unsigned pin = 0 ; pin < per_count ; pin += 1)
connect(tmp->pin(pin), obj->pin(pin));
/* Now elaborate the expression again to fill out the
repetitions, connecting each to the tmp NetNet
object. */
for (unsigned idx = 1 ; idx < repeat ; idx += 1) {
unsigned base = per_count * idx;
obj = parms_[0]->elaborate_net(des, path, per_count,
rise, fall, decay);
for (unsigned pin = 0 ; pin < per_count ; pin += 1)
connect(tmp->pin(base+pin), obj->pin(pin));
}
@ -1464,6 +1480,9 @@ NetNet* PEUnary::elaborate_net(Design*des, const string&path,
/*
* $Log: elab_net.cc,v $
* Revision 1.36 2000/05/07 20:48:14 steve
* Properly elaborate repeat concatenations.
*
* Revision 1.35 2000/05/07 19:40:26 steve
* Fix connection of Direction of LMP_CLSHIFT
* to constant values. Remember to add a signal