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Bug fix in the timing manager.

This commit is contained in:
Alan Mishchenko 2021-09-06 09:53:49 -07:00
parent e7a029d73f
commit 14dc389e62
1 changed files with 30 additions and 28 deletions
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58
src/base/abci/abcTiming.c
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@ -189,10 +189,8 @@ void Abc_NtkTimeSetDefaultRequired( Abc_Ntk_t * pNtk, float Rise, float Fall )
pNtk->pManTime->tReqDef.Rise = Rise;
pNtk->pManTime->tReqDef.Fall = Fall;
// set the required times for each output
Abc_NtkForEachCo( pNtk, pObj, i ){
Abc_NtkTimeSetRequired( pNtk, Abc_ObjId(pObj), Rise, Fall );
// printf("Debug: Setting *default* required time on object %d to R %f F %f\n",
// Abc_ObjId(pObj),Rise,Fall);
Abc_NtkForEachCo( pNtk, pObj, i ){
Abc_NtkTimeSetRequired( pNtk, Abc_ObjId(pObj), Rise, Fall );
}
}
@ -211,8 +209,7 @@ void Abc_NtkTimeSetArrival( Abc_Ntk_t * pNtk, int ObjId, float Rise, float Fall
{
Vec_Ptr_t * vTimes;
Abc_Time_t * pTime;
static int debug;
debug++;
if ( pNtk->pManTime == NULL )
pNtk->pManTime = Abc_ManTimeStart(pNtk);
Abc_ManTimeExpand( pNtk->pManTime, ObjId + 1, 1 );
@ -221,16 +218,13 @@ void Abc_NtkTimeSetArrival( Abc_Ntk_t * pNtk, int ObjId, float Rise, float Fall
pTime = (Abc_Time_t *)vTimes->pArray[ObjId];
pTime->Rise = Rise;
pTime->Fall = Fall;
// printf("Debug:%d Setting arrival time on object %d to R %f and F %f\n",debug,
// ObjId, Rise, Fall);
}
void Abc_NtkTimeSetRequired( Abc_Ntk_t * pNtk, int ObjId, float Rise, float Fall )
{
Vec_Ptr_t * vTimes;
Abc_Time_t * pTime;
static int debug;
debug++;
if ( pNtk->pManTime == NULL )
pNtk->pManTime = Abc_ManTimeStart(pNtk);
Abc_ManTimeExpand( pNtk->pManTime, ObjId + 1, 1 );
@ -239,8 +233,6 @@ void Abc_NtkTimeSetRequired( Abc_Ntk_t * pNtk, int ObjId, float Rise, float Fall
pTime = (Abc_Time_t *)vTimes->pArray[ObjId];
pTime->Rise = Rise;
pTime->Fall = Fall;
// printf("Debug:%d Setting required time on object %d to R %f and F %f\n",debug,
// ObjId, Rise, Fall);
}
/**Function*************************************************************
@ -485,7 +477,7 @@ void Abc_NtkTimePrepare( Abc_Ntk_t * pNtk )
***********************************************************************/
Abc_ManTime_t * Abc_ManTimeStart( Abc_Ntk_t * pNtk )
{
//int fUseZeroDefaultOutputRequired = 1;
int fUseZeroDefaultOutputRequired = 1;
Abc_ManTime_t * p;
Abc_Time_t* pTime;
Abc_Obj_t * pObj; int i;
@ -496,34 +488,45 @@ Abc_ManTime_t * Abc_ManTimeStart( Abc_Ntk_t * pNtk )
// set default default input=arrivals (assumed to be 0)
// set default default output-requireds (can be either 0 or +infinity, based on the flag)
//AF: hack support the values read in. Not defaults !
// p->tReqDef.Rise = fUseZeroDefaultOutputRequired ? 0 : ABC_INFINITY;
// p->tReqDef.Fall = fUseZeroDefaultOutputRequired ? 0 : ABC_INFINITY;
// extend manager
Abc_ManTimeExpand( p, Abc_NtkObjNumMax(pNtk) + 1, 0 );
// set the default timing for CIs
Abc_NtkForEachCi( pNtk, pObj, i ){
//get the constrained value, if there is one
Vec_Ptr_t * vTimes;
vTimes = pNtk->pManTime->vArrs;
pTime = (Abc_Time_t *)vTimes->pArray[Abc_ObjId(pObj)];
if (pTime){
p->tArrDef.Fall = pTime -> Fall;
p->tArrDef.Rise = pTime -> Rise;
//unconstrained arrival defaults. Note that
//unconstrained value in vTimes set to -ABC_INFINITY.
if (pTime &&
(!(p-> tArrDef.Fall == -ABC_INFINITY ||
p-> tArrDef.Rise != -ABC_INFINITY ))
){
p->tArrDef.Fall = pTime -> Fall;
p->tArrDef.Rise = pTime -> Rise;
}
else {
//use the default arrival time 0 (implicit in memset 0, above).
p->tArrDef.Rise = 0;
p->tArrDef.Fall = 0;
}
Abc_NtkTimeSetArrival( pNtk, Abc_ObjId(pObj), p->tArrDef.Rise, p->tArrDef.Rise );
}
// set the default timing for COs
Abc_NtkForEachCo( pNtk, pObj, i ){
Vec_Ptr_t * vTimes;
vTimes = pNtk->pManTime->vArrs;
pTime = (Abc_Time_t *)vTimes->pArray[Abc_ObjId(pObj)];
if (pTime){
p->tReqDef.Fall = pTime -> Fall;
p->tReqDef.Rise = pTime -> Rise;
p->tReqDef.Fall = pTime -> Fall;
p->tReqDef.Rise = pTime -> Rise;
}
else{
//use the default
p->tReqDef.Rise = fUseZeroDefaultOutputRequired ? 0 : ABC_INFINITY;
p->tReqDef.Fall = fUseZeroDefaultOutputRequired ? 0 : ABC_INFINITY;
}
Abc_NtkTimeSetRequired( pNtk, Abc_ObjId(pObj), p->tReqDef.Rise, p->tReqDef.Rise );
}
@ -609,8 +612,7 @@ void Abc_ManTimeDup( Abc_Ntk_t * pNtkOld, Abc_Ntk_t * pNtkNew )
memcpy( pNtkNew->pManTime->tOutLoad, pNtkOld->pManTime->tOutLoad, sizeof(Abc_Time_t) * Abc_NtkCoNum(pNtkOld) );
}
printf("State of abc timing manager\n");
Abc_NtkTimePrint(pNtkNew);
}
/**Function*************************************************************