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support functor_set push for blocking assignment.

This commit is contained in:
steve 2001-04-03 03:18:34 +00:00
parent 3ffb3c7011
commit 9d2e22576e
3 changed files with 21 additions and 9 deletions
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16
vvp/functor.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT)
#ident "$Id: functor.cc,v 1.9 2001/03/31 19:29:23 steve Exp $"
#ident "$Id: functor.cc,v 1.10 2001/04/03 03:18:34 steve Exp $"
#endif
# include "functor.h"
@ -132,7 +132,7 @@ functor_t functor_index(vvp_ipoint_t point)
return functor_table[point]->table[index1]->table + index0;
}
static void functor_set_mode0(vvp_ipoint_t ptr, functor_t fp)
static void functor_set_mode0(vvp_ipoint_t ptr, functor_t fp, bool push)
{
/* Locate the new output value in the table. */
unsigned char out = fp->table[fp->ival >> 2];
@ -142,7 +142,10 @@ static void functor_set_mode0(vvp_ipoint_t ptr, functor_t fp)
/* If the output changes, then create a propagation event. */
if (out != fp->oval) {
fp->oval = out;
schedule_functor(ptr, 0);
if (push)
functor_propagate(ptr);
else
schedule_functor(ptr, 0);
}
}
@ -209,7 +212,7 @@ static void functor_set_mode2(functor_t fp)
* output. If the output changes any, then generate the necessary
* propagation events to pass the output on.
*/
void functor_set(vvp_ipoint_t ptr, unsigned bit)
void functor_set(vvp_ipoint_t ptr, unsigned bit, bool push)
{
functor_t fp = functor_index(ptr);
unsigned pp = ipoint_port(ptr);
@ -223,7 +226,7 @@ void functor_set(vvp_ipoint_t ptr, unsigned bit)
switch (fp->mode) {
case 0:
functor_set_mode0(ptr, fp);
functor_set_mode0(ptr, fp, push);
break;
case 1:
functor_set_mode1(fp);
@ -297,6 +300,9 @@ const unsigned char ft_var[16] = {
/*
* $Log: functor.cc,v $
* Revision 1.10 2001/04/03 03:18:34 steve
* support functor_set push for blocking assignment.
*
* Revision 1.9 2001/03/31 19:29:23 steve
* Fix compilation warnings.
*

7
vvp/functor.h
View File

@ -19,7 +19,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT)
#ident "$Id: functor.h,v 1.8 2001/04/01 21:31:46 steve Exp $"
#ident "$Id: functor.h,v 1.9 2001/04/03 03:18:34 steve Exp $"
#endif
# include "pointers.h"
@ -112,7 +112,7 @@ extern vvp_ipoint_t functor_allocate(unsigned wid);
* calculates a new output value. If there is any propagation to do,
* propagation events are created.
*/
extern void functor_set(vvp_ipoint_t point, unsigned val);
extern void functor_set(vvp_ipoint_t point, unsigned val, bool push=false);
extern unsigned functor_get(vvp_ipoint_t ptr);
@ -145,6 +145,9 @@ extern const unsigned char ft_var[];
/*
* $Log: functor.h,v $
* Revision 1.9 2001/04/03 03:18:34 steve
* support functor_set push for blocking assignment.
*
* Revision 1.8 2001/04/01 21:31:46 steve
* Add the buf functor type.
*

7
vvp/vthread.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT)
#ident "$Id: vthread.cc,v 1.20 2001/04/01 22:25:33 steve Exp $"
#ident "$Id: vthread.cc,v 1.21 2001/04/03 03:18:34 steve Exp $"
#endif
# include "vthread.h"
@ -475,7 +475,7 @@ bool of_OR(vthread_t thr, vvp_code_t cp)
bool of_SET(vthread_t thr, vvp_code_t cp)
{
unsigned char bit_val = thr_get_bit(thr, cp->bit_idx1);
functor_set(cp->iptr, bit_val);
functor_set(cp->iptr, bit_val, true);
return true;
}
@ -504,6 +504,9 @@ bool of_WAIT(vthread_t thr, vvp_code_t cp)
/*
* $Log: vthread.cc,v $
* Revision 1.21 2001/04/03 03:18:34 steve
* support functor_set push for blocking assignment.
*
* Revision 1.20 2001/04/01 22:25:33 steve
* Add the reduction nor instruction.
*