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iverilog
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Do not link adder pins that ar unconnected.

This commit is contained in:
steve 2000-03-20 17:40:33 +00:00
parent 44d30ad127
commit c5b64b4ad4
1 changed files with 13 additions and 1 deletions
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14
t-vvm.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: t-vvm.cc,v 1.118 2000/03/18 23:22:37 steve Exp $"
#ident "$Id: t-vvm.cc,v 1.119 2000/03/20 17:40:33 steve Exp $"
#endif
# include <iostream>
@ -968,6 +968,9 @@ void target_vvm::lpm_add_sub(ostream&os, const NetAddSub*gate)
/* Connect the DataA inputs. */
for (unsigned idx = 0 ; idx < gate->width() ; idx += 1) {
if (! gate->pin_DataA(idx).is_linked())
continue;
string nexus = nexus_from_link(&gate->pin_DataA(idx));
unsigned ncode = nexus_wire_map[nexus];
init_code << " nexus_wire_table["<<ncode<<"].connect(&" <<
@ -979,6 +982,9 @@ void target_vvm::lpm_add_sub(ostream&os, const NetAddSub*gate)
/* Connect the DataB inputs. */
for (unsigned idx = 0 ; idx < gate->width() ; idx += 1) {
if (! gate->pin_DataB(idx).is_linked())
continue;
string nexus = nexus_from_link(&gate->pin_DataB(idx));
unsigned ncode = nexus_wire_map[nexus];
@ -991,6 +997,9 @@ void target_vvm::lpm_add_sub(ostream&os, const NetAddSub*gate)
/* Connect the outputs of the adder. */
for (unsigned idx = 0 ; idx < gate->width() ; idx += 1) {
if (! gate->pin_Result(idx).is_linked())
continue;
string nexus = nexus_from_link(&gate->pin_Result(idx));
unsigned ncode = nexus_wire_map[nexus];
@ -2259,6 +2268,9 @@ extern const struct target tgt_vvm = {
};
/*
* $Log: t-vvm.cc,v $
* Revision 1.119 2000/03/20 17:40:33 steve
* Do not link adder pins that ar unconnected.
*
* Revision 1.118 2000/03/18 23:22:37 steve
* Update the FF device to nexus style.
*