Skip to content
Projects
Groups
Snippets
Help
This project
Loading...
Sign in / Register
Toggle navigation
A
abc
Overview
Overview
Details
Activity
Cycle Analytics
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Issues
0
Issues
0
List
Board
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Charts
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Charts
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
lvzhengyang
abc
Commits
22640552
Commit
22640552
authored
Oct 19, 2015
by
Alan Mishchenko
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Code simplification and improvements in &nf.
parent
9faaf802
Show whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
77 additions
and
121 deletions
+77
-121
src/aig/gia/giaNf.c
+77
-121
No files found.
src/aig/gia/giaNf.c
View file @
22640552
...
...
@@ -54,12 +54,12 @@ struct Nf_Cut_t_
unsigned
nLeaves
:
5
;
// leaf number (NF_NO_LEAF)
int
pLeaves
[
NF_LEAF_MAX
+
1
];
// leaves
};
typedef
struct
Pf_Mat_t_
Pf_Mat
_t
;
struct
Pf_Mat
_t_
typedef
struct
Nf_Cfg_t_
Nf_Cfg
_t
;
struct
Nf_Cfg
_t_
{
unsigned
fCompl
:
8
;
// complemented
unsigned
Phase
:
6
;
// match phase
unsigned
Perm
:
18
;
// match permutation
unsigned
fCompl
:
1
;
// complemented
unsigned
Phase
:
7
;
// match phase
unsigned
Perm
:
24
;
// match permutation
};
typedef
struct
Nf_Mat_t_
Nf_Mat_t
;
struct
Nf_Mat_t_
...
...
@@ -68,7 +68,7 @@ struct Nf_Mat_t_
unsigned
CutH
:
10
;
// cut handle
unsigned
fCompl
:
1
;
// complemented
unsigned
fBest
:
1
;
// best cut
int
Conf
;
// input literals
Nf_Cfg_t
Cfg
;
// input literals
word
D
;
// delay
word
A
;
// area
};
...
...
@@ -110,8 +110,8 @@ struct Nf_Man_t_
int
nCutUseAll
;
// objects with useful cuts
};
static
inline
int
Pf_Mat2Int
(
Pf_Mat_t
Mat
)
{
union
{
int
x
;
Pf_Mat
_t
y
;
}
v
;
v
.
y
=
Mat
;
return
v
.
x
;
}
static
inline
Pf_Mat_t
Pf_Int2Mat
(
int
Int
)
{
union
{
int
x
;
Pf_Mat
_t
y
;
}
v
;
v
.
x
=
Int
;
return
v
.
y
;
}
static
inline
int
Nf_Cfg2Int
(
Nf_Cfg_t
Mat
)
{
union
{
int
x
;
Nf_Cfg
_t
y
;
}
v
;
v
.
y
=
Mat
;
return
v
.
x
;
}
static
inline
Nf_Cfg_t
Nf_Int2Cfg
(
int
Int
)
{
union
{
int
x
;
Nf_Cfg
_t
y
;
}
v
;
v
.
x
=
Int
;
return
v
.
y
;
}
static
inline
word
Nf_Flt2Wrd
(
float
w
)
{
return
MIO_NUM
*
w
;
}
static
inline
float
Nf_Wrd2Flt
(
word
w
)
{
return
MIO_NUMINV
*
(
unsigned
)(
w
&
0x3FFFFFFF
)
+
MIO_NUMINV
*
(
1
<<
30
)
*
(
unsigned
)(
w
>>
30
);
}
...
...
@@ -141,19 +141,6 @@ static inline void Nf_ObjUpdateRequired( Nf_Man_t * p,int i, int c, word
static
inline
Nf_Mat_t
*
Nf_ObjMatchD
(
Nf_Man_t
*
p
,
int
i
,
int
c
)
{
return
&
Nf_ManObj
(
p
,
i
)
->
M
[
c
][
0
];
}
static
inline
Nf_Mat_t
*
Nf_ObjMatchA
(
Nf_Man_t
*
p
,
int
i
,
int
c
)
{
return
&
Nf_ManObj
(
p
,
i
)
->
M
[
c
][
1
];
}
static
inline
Nf_Mat_t
*
Nf_ObjMatchBest
(
Nf_Man_t
*
p
,
int
i
,
int
c
)
{
Nf_Mat_t
*
pD
=
Nf_ObjMatchD
(
p
,
i
,
c
);
Nf_Mat_t
*
pA
=
Nf_ObjMatchA
(
p
,
i
,
c
);
assert
(
pD
->
fBest
!=
pA
->
fBest
);
//assert( Nf_ObjMapRefNum(p, i, c) > 0 );
if
(
pA
->
fBest
)
return
pA
;
if
(
pD
->
fBest
)
return
pD
;
return
NULL
;
}
static
inline
int
Nf_CutSize
(
int
*
pCut
)
{
return
pCut
[
0
]
&
NF_NO_LEAF
;
}
static
inline
int
Nf_CutFunc
(
int
*
pCut
)
{
return
((
unsigned
)
pCut
[
0
]
>>
5
);
}
static
inline
int
*
Nf_CutLeaves
(
int
*
pCut
)
{
return
pCut
+
1
;
}
...
...
@@ -161,14 +148,13 @@ static inline int Nf_CutSetBoth( int n, int f )
static
inline
int
Nf_CutIsTriv
(
int
*
pCut
,
int
i
)
{
return
Nf_CutSize
(
pCut
)
==
1
&&
pCut
[
1
]
==
i
;
}
static
inline
int
Nf_CutHandle
(
int
*
pCutSet
,
int
*
pCut
)
{
assert
(
pCut
>
pCutSet
);
return
pCut
-
pCutSet
;
}
static
inline
int
*
Nf_CutFromHandle
(
int
*
pCutSet
,
int
h
)
{
assert
(
h
>
0
);
return
pCutSet
+
h
;
}
static
inline
int
Nf_CutConfLit
(
int
Conf
,
int
i
)
{
return
15
&
(
Conf
>>
(
i
<<
2
));
}
static
inline
int
Nf_CutConfVar
(
int
Conf
,
int
i
)
{
return
Abc_Lit2Var
(
Nf_CutConfLit
(
Conf
,
i
)
);
}
static
inline
int
Nf_CutConfC
(
int
Conf
,
int
i
)
{
return
Abc_LitIsCompl
(
Nf_CutConfLit
(
Conf
,
i
)
);
}
#define Nf_SetForEachCut( pList, pCut, i ) for ( i = 0, pCut = pList + 1; i < pList[0]; i++, pCut += Nf_CutSize(pCut) + 1 )
#define Nf_CutForEachLit( pCut, Conf, iLit, i ) for ( i = 0; i < Nf_CutSize(pCut) && (iLit = Abc_Lit2LitV(Nf_CutLeaves(pCut), Nf_CutConfLit(Conf, i))); i++ )
#define Nf_CutForEachVar( pCut, Conf, iVar, c, i ) for ( i = 0; i < Nf_CutSize(pCut) && (iVar = Nf_CutLeaves(pCut)[Nf_CutConfVar(Conf, i)]) && ((c = Nf_CutConfC(Conf, i)), 1); i++ )
static
inline
int
Nf_CfgVar
(
Nf_Cfg_t
Cfg
,
int
i
)
{
return
(
Cfg
.
Perm
>>
(
i
<<
2
))
&
15
;
}
static
inline
int
Nf_CfgCompl
(
Nf_Cfg_t
Cfg
,
int
i
)
{
return
(
Cfg
.
Phase
>>
i
)
&
1
;
}
#define Nf_SetForEachCut( pList, pCut, i ) for ( i = 0, pCut = pList + 1; i < pList[0]; i++, pCut += Nf_CutSize(pCut) + 1 )
#define Nf_CutForEachVarCompl( pCut, Cfg, iVar, fCompl, i ) for ( i = 0; i < Nf_CutSize(pCut) && (iVar = Nf_CutLeaves(pCut)[Nf_CfgVar(Cfg, i)]) && ((fCompl = Nf_CfgCompl(Cfg, i)), 1); i++ )
#define Nf_CfgForEachVarCompl( Cfg, Size, iVar, fCompl, i ) for ( i = 0; i < Size && ((iVar = Nf_CfgVar(Cfg, i)), 1) && ((fCompl = Nf_CfgCompl(Cfg, i)), 1); i++ )
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
...
...
@@ -188,7 +174,7 @@ static inline int Nf_CutConfC( int Conf, int i )
void
Nf_StoCreateGateAdd
(
Nf_Man_t
*
pMan
,
word
uTruth
,
int
*
pFans
,
int
nFans
,
int
CellId
)
{
Vec_Int_t
*
vArray
;
Pf_Mat_t
Mat
=
Pf_Int2Mat
(
0
);
Nf_Cfg_t
Mat
=
Nf_Int2Cfg
(
0
);
int
i
,
GateId
,
Entry
,
fCompl
=
(
int
)(
uTruth
&
1
);
word
uFunc
=
fCompl
?
~
uTruth
:
uTruth
;
int
iFunc
=
Vec_MemHashInsert
(
pMan
->
vTtMem
,
&
uFunc
);
...
...
@@ -199,23 +185,23 @@ void Nf_StoCreateGateAdd( Nf_Man_t * pMan, word uTruth, int * pFans, int nFans,
assert
(
nFans
<
7
);
for
(
i
=
0
;
i
<
nFans
;
i
++
)
{
Mat
.
Perm
|=
(
unsigned
)(
Abc_Lit2Var
(
pFans
[
i
])
<<
(
3
*
i
));
Mat
.
Phase
|=
(
unsigned
)(
Abc_LitIsCompl
(
pFans
[
i
])
<<
i
);
Mat
.
Perm
|=
(
unsigned
)(
i
<<
(
Abc_Lit2Var
(
pFans
[
i
])
<<
2
));
Mat
.
Phase
|=
(
unsigned
)(
Abc_LitIsCompl
(
pFans
[
i
])
<<
Abc_Lit2Var
(
pFans
[
i
])
);
}
if
(
pMan
->
pPars
->
fPinPerm
)
// use pin-permutation (slower but good for delay when pin-delays differ)
{
Vec_IntPush
(
vArray
,
CellId
);
Vec_IntPush
(
vArray
,
Pf_Mat
2Int
(
Mat
)
);
Vec_IntPush
(
vArray
,
Nf_Cfg
2Int
(
Mat
)
);
return
;
}
// check if the same one exists
Vec_IntForEachEntryDouble
(
vArray
,
GateId
,
Entry
,
i
)
if
(
GateId
==
CellId
&&
Pf_Int2Mat
(
Entry
).
Phase
==
Mat
.
Phase
)
if
(
GateId
==
CellId
&&
Nf_Int2Cfg
(
Entry
).
Phase
==
Mat
.
Phase
)
break
;
if
(
i
==
Vec_IntSize
(
vArray
)
)
{
Vec_IntPush
(
vArray
,
CellId
);
Vec_IntPush
(
vArray
,
Pf_Mat
2Int
(
Mat
)
);
Vec_IntPush
(
vArray
,
Nf_Cfg
2Int
(
Mat
)
);
}
}
void
Nf_StoCreateGateMaches
(
Nf_Man_t
*
pMan
,
Mio_Cell2_t
*
pCell
,
int
**
pComp
,
int
**
pPerm
,
int
*
pnPerms
)
...
...
@@ -271,7 +257,8 @@ void Nf_StoDeriveMatches( Nf_Man_t * p, int fVerbose )
ABC_FREE
(
pPerm
[
i
]
);
// Abc_PrintTime( 1, "Time", Abc_Clock() - clk );
}
void
Nf_StoPrintOne
(
Nf_Man_t
*
p
,
int
Count
,
int
t
,
int
i
,
int
GateId
,
Pf_Mat_t
Mat
)
//void Nf_StoPrintOne( Nf_Man_t * p, int Count, int t, int i, int GateId, Pf_Mat_t Mat )
void
Nf_StoPrintOne
(
Nf_Man_t
*
p
,
int
Count
,
int
t
,
int
i
,
int
GateId
,
Nf_Cfg_t
Mat
)
{
Mio_Cell2_t
*
pC
=
p
->
pCells
+
GateId
;
word
*
pTruth
=
Vec_MemReadEntry
(
p
->
vTtMem
,
t
);
...
...
@@ -491,7 +478,7 @@ static inline int Nf_CutCreateUnit( Nf_Cut_t * p, int i )
p
->
Sign
=
((
word
)
1
)
<<
(
i
&
0x3F
);
return
1
;
}
static
inline
void
Nf_Cut
printf
(
Nf_Man_t
*
p
,
Nf_Cut_t
*
pCut
)
static
inline
void
Nf_Cut
Print
(
Nf_Man_t
*
p
,
Nf_Cut_t
*
pCut
)
{
int
i
,
nDigits
=
Abc_Base10Log
(
Gia_ManObjNum
(
p
->
pGia
));
printf
(
"%d {"
,
pCut
->
nLeaves
);
...
...
@@ -909,7 +896,7 @@ void Nf_ObjMergeOrder( Nf_Man_t * p, int iObj )
{
printf
(
"*** Obj = %d Useful = %d
\n
"
,
iObj
,
Nf_ManCountUseful
(
pCutsR
,
nCutsR
)
);
for
(
i
=
0
;
i
<
nCutsR
;
i
++
)
Nf_Cut
printf
(
p
,
pCutsR
[
i
]
);
Nf_Cut
Print
(
p
,
pCutsR
[
i
]
);
printf
(
"
\n
"
);
}
// verify
...
...
@@ -1058,7 +1045,7 @@ void Nf_ManCutMatchPrint( Nf_Man_t * p, int iObj, char * pStr, Nf_Mat_t * pM )
printf
(
" "
);
printf
(
" } "
);
for
(
i
=
0
;
i
<
(
int
)
pCell
->
nFanins
;
i
++
)
printf
(
"%
d "
,
Nf_CutConfLit
(
pM
->
Conf
,
i
)
);
printf
(
"%
s%d "
,
Nf_CfgCompl
(
pM
->
Cfg
,
i
)
?
"!"
:
" "
,
Nf_CfgVar
(
pM
->
Cfg
,
i
)
);
for
(
;
i
<
6
;
i
++
)
printf
(
" "
);
Dau_DsdPrintFromTruth
(
&
pCell
->
uTruth
,
pCell
->
nFanins
);
...
...
@@ -1091,70 +1078,50 @@ void Nf_ManCutMatchOne( Nf_Man_t * p, int iObj, int * pCut, int * pCutSet )
pD
->
A
=
pA
->
A
=
p
->
pCells
[
c
^
Const
].
Area
;
pD
->
CutH
=
pA
->
CutH
=
Nf_CutHandle
(
pCutSet
,
pCut
);
pD
->
Gate
=
pA
->
Gate
=
c
^
Const
;
pD
->
Conf
=
pA
->
Conf
=
0
;
}
return
;
}
/*
if ( nFans == 1 )
{
int Const = (iFuncLit == 3);
assert( iFuncLit == 2 || iFuncLit == 3 );
for ( c = 0; c < 2; c++ )
{
pD = Nf_ObjMatchD( p, iObj, c );
pA = Nf_ObjMatchA( p, iObj, c );
pD->D = pA->D = pBestF[0]->M[c ^ !Const][0].D + p->pCells[2 + (c ^ Const)].Delays[0];
pD->A = pA->A = pBestF[0]->M[c ^ !Const][0].A + p->pCells[2 + (c ^ Const)].Area;
pD->CutH = pA->CutH = Nf_CutHandle(pCutSet, pCut);
pD->Gate = pA->Gate = 2 + (c ^ Const);
pD->Conf = pA->Conf = 0;
// pD->Conf = pA->Conf = 0;
pD
->
Cfg
=
pA
->
Cfg
=
Nf_Int2Cfg
(
0
);
}
return
;
}
*/
// consider matches of this function
Vec_IntForEachEntryDouble
(
vArr
,
Info
,
Offset
,
i
)
{
Pf_Mat_t
Mat
=
Pf_Int2Mat
(
Offset
);
Nf_Cfg_t
Cfg
=
Nf_Int2Cfg
(
Offset
);
Mio_Cell2_t
*
pC
=
Nf_ManCell
(
p
,
Info
);
int
fCompl
=
Mat
.
fCompl
^
fComplExt
;
int
fCompl
=
Cfg
.
fCompl
^
fComplExt
;
word
Required
=
Nf_ObjRequired
(
p
,
iObj
,
fCompl
);
Nf_Mat_t
*
pD
=
&
pBest
->
M
[
fCompl
][
0
];
Nf_Mat_t
*
pA
=
&
pBest
->
M
[
fCompl
][
1
];
word
Area
=
pC
->
Area
,
Delay
=
0
;
assert
(
nFans
==
(
int
)
pC
->
nFanins
);
for
(
k
=
0
;
k
<
nFans
;
k
++
)
Nf_CfgForEachVarCompl
(
Cfg
,
nFans
,
iFanin
,
fComplF
,
k
)
{
iFanin
=
(
Mat
.
Perm
>>
(
3
*
k
))
&
7
;
fComplF
=
(
Mat
.
Phase
>>
k
)
&
1
;
ArrivalD
=
pBestF
[
k
]
->
M
[
fComplF
][
0
].
D
;
ArrivalA
=
pBestF
[
k
]
->
M
[
fComplF
][
1
].
D
;
if
(
ArrivalA
+
pC
->
Delays
[
iFanin
]
<=
Required
&&
Required
!=
NF_INFINITY
)
ArrivalD
=
pBestF
[
iFanin
]
->
M
[
fComplF
][
0
].
D
;
ArrivalA
=
pBestF
[
iFanin
]
->
M
[
fComplF
][
1
].
D
;
if
(
ArrivalA
+
pC
->
Delays
[
k
]
<=
Required
&&
Required
!=
NF_INFINITY
)
{
Delay
=
Abc_MaxWord
(
Delay
,
ArrivalA
+
pC
->
Delays
[
iFanin
]
);
Area
+=
pBestF
[
k
]
->
M
[
fComplF
][
1
].
A
;
Delay
=
Abc_MaxWord
(
Delay
,
ArrivalA
+
pC
->
Delays
[
k
]
);
Area
+=
pBestF
[
iFanin
]
->
M
[
fComplF
][
1
].
A
;
}
else
{
if
(
pD
->
D
<
NF_INFINITY
&&
pA
->
D
<
NF_INFINITY
&&
ArrivalD
+
pC
->
Delays
[
iFanin
]
>
Required
)
if
(
pD
->
D
<
NF_INFINITY
&&
pA
->
D
<
NF_INFINITY
&&
ArrivalD
+
pC
->
Delays
[
k
]
>
Required
)
break
;
Delay
=
Abc_MaxWord
(
Delay
,
ArrivalD
+
pC
->
Delays
[
iFanin
]
);
Area
+=
pBestF
[
k
]
->
M
[
fComplF
][
0
].
A
;
Delay
=
Abc_MaxWord
(
Delay
,
ArrivalD
+
pC
->
Delays
[
k
]
);
Area
+=
pBestF
[
iFanin
]
->
M
[
fComplF
][
0
].
A
;
}
}
if
(
k
<
nFans
)
continue
;
// select best
mat
ch
// select best
Cfg
ch
if
(
pD
->
D
>
Delay
)
{
pD
->
D
=
Delay
;
pD
->
A
=
Area
;
pD
->
CutH
=
Nf_CutHandle
(
pCutSet
,
pCut
);
pD
->
Gate
=
pC
->
Id
;
pD
->
Conf
=
0
;
for
(
k
=
0
;
k
<
nFans
;
k
++
)
pD
->
Conf
|=
(
Abc_Var2Lit
(
k
,
(
Mat
.
Phase
>>
k
)
&
1
)
<<
(((
Mat
.
Perm
>>
(
3
*
k
))
&
7
)
<<
2
));
pD
->
Cfg
=
Cfg
;
pD
->
Cfg
.
fCompl
=
0
;
}
if
(
pA
->
A
>
Area
)
...
...
@@ -1163,9 +1130,8 @@ void Nf_ManCutMatchOne( Nf_Man_t * p, int iObj, int * pCut, int * pCutSet )
pA
->
A
=
Area
;
pA
->
CutH
=
Nf_CutHandle
(
pCutSet
,
pCut
);
pA
->
Gate
=
pC
->
Id
;
pA
->
Conf
=
0
;
for
(
k
=
0
;
k
<
nFans
;
k
++
)
pA
->
Conf
|=
(
Abc_Var2Lit
(
k
,
(
Mat
.
Phase
>>
k
)
&
1
)
<<
(((
Mat
.
Perm
>>
(
3
*
k
))
&
7
)
<<
2
));
pA
->
Cfg
=
Cfg
;
pA
->
Cfg
.
fCompl
=
0
;
}
}
}
...
...
@@ -1215,14 +1181,12 @@ static inline word Nf_CutRequired( Nf_Man_t * p, Nf_Mat_t * pM, int * pCutSet )
int
*
pCut
=
Nf_CutFromHandle
(
pCutSet
,
pM
->
CutH
);
int
*
pFans
=
Nf_CutLeaves
(
pCut
);
int
i
,
nFans
=
Nf_CutSize
(
pCut
);
word
Arrival
=
0
,
Required
=
0
;
for
(
i
=
0
;
i
<
nFans
;
i
++
)
int
iVar
,
fCompl
;
word
Arr
,
Req
,
Arrival
=
0
,
Required
=
0
;
Nf_CutForEachVarCompl
(
pCut
,
pM
->
Cfg
,
iVar
,
fCompl
,
i
)
{
int
iLit
=
Nf_CutConfLit
(
pM
->
Conf
,
i
);
int
iFanin
=
pFans
[
Abc_Lit2Var
(
iLit
)
];
int
fCompl
=
Abc_LitIsCompl
(
iLit
);
word
Arr
=
Nf_ManObj
(
p
,
iFanin
)
->
M
[
fCompl
][
0
].
D
+
pCell
->
Delays
[
i
];
word
Req
=
Nf_ObjRequired
(
p
,
iFanin
,
fCompl
);
Arr
=
Nf_ManObj
(
p
,
iVar
)
->
M
[
fCompl
][
0
].
D
+
pCell
->
Delays
[
i
];
Req
=
Nf_ObjRequired
(
p
,
iVar
,
fCompl
);
Arrival
=
Abc_MaxWord
(
Arrival
,
Arr
);
if
(
Req
<
NF_INFINITY
)
Required
=
Abc_MaxWord
(
Required
,
Req
+
pCell
->
Delays
[
i
]
);
...
...
@@ -1396,6 +1360,18 @@ void Nf_ManComputeMapping( Nf_Man_t * p )
SeeAlso []
***********************************************************************/
static
inline
Nf_Mat_t
*
Nf_ObjMatchBest
(
Nf_Man_t
*
p
,
int
i
,
int
c
)
{
Nf_Mat_t
*
pD
=
Nf_ObjMatchD
(
p
,
i
,
c
);
Nf_Mat_t
*
pA
=
Nf_ObjMatchA
(
p
,
i
,
c
);
assert
(
pD
->
fBest
!=
pA
->
fBest
);
//assert( Nf_ObjMapRefNum(p, i, c) > 0 );
if
(
pA
->
fBest
)
return
pA
;
if
(
pD
->
fBest
)
return
pD
;
return
NULL
;
}
void
Nf_ManSetOutputRequireds
(
Nf_Man_t
*
p
,
int
fPropCompl
)
{
Gia_Obj_t
*
pObj
;
...
...
@@ -1457,7 +1433,7 @@ void Nf_ManSetMapRefsGate( Nf_Man_t * p, int iObj, word Required, Nf_Mat_t * pM
int
k
,
iVar
,
fCompl
;
Mio_Cell2_t
*
pCell
=
Nf_ManCell
(
p
,
pM
->
Gate
);
int
*
pCut
=
Nf_CutFromHandle
(
Nf_ObjCutSet
(
p
,
iObj
),
pM
->
CutH
);
Nf_CutForEachVar
(
pCut
,
pM
->
Conf
,
iVar
,
fCompl
,
k
)
Nf_CutForEachVar
Compl
(
pCut
,
pM
->
Cfg
,
iVar
,
fCompl
,
k
)
{
Nf_ObjMapRefInc
(
p
,
iVar
,
fCompl
);
Nf_ObjUpdateRequired
(
p
,
iVar
,
fCompl
,
Required
-
pCell
->
Delays
[
k
]
);
...
...
@@ -1684,7 +1660,7 @@ word Nf_MatchDeref_rec( Nf_Man_t * p, int i, int c, Nf_Mat_t * pM )
if
(
Nf_ObjCutSetId
(
p
,
i
)
==
0
)
return
0
;
pCut
=
Nf_CutFromHandle
(
Nf_ObjCutSet
(
p
,
i
),
pM
->
CutH
);
Nf_CutForEachVar
(
pCut
,
pM
->
Conf
,
iVar
,
fCompl
,
k
)
Nf_CutForEachVar
Compl
(
pCut
,
pM
->
Cfg
,
iVar
,
fCompl
,
k
)
{
assert
(
Nf_ObjMapRefNum
(
p
,
iVar
,
fCompl
)
>
0
);
if
(
!
Nf_ObjMapRefDec
(
p
,
iVar
,
fCompl
)
)
...
...
@@ -1711,7 +1687,7 @@ word Nf_MatchRef_rec( Nf_Man_t * p, int i, int c, Nf_Mat_t * pM, word Required,
if
(
Nf_ObjCutSetId
(
p
,
i
)
==
0
)
return
0
;
pCut
=
Nf_CutFromHandle
(
Nf_ObjCutSet
(
p
,
i
),
pM
->
CutH
);
Nf_CutForEachVar
(
pCut
,
pM
->
Conf
,
iVar
,
fCompl
,
k
)
Nf_CutForEachVar
Compl
(
pCut
,
pM
->
Cfg
,
iVar
,
fCompl
,
k
)
{
ReqFanin
=
Required
-
Nf_ManCell
(
p
,
pM
->
Gate
)
->
Delays
[
k
];
if
(
vBackup
)
...
...
@@ -1760,63 +1736,43 @@ void Nf_ManElaBestMatchOne( Nf_Man_t * p, int iObj, int c, int * pCut, int * pCu
pMb
->
A
=
p
->
pCells
[
c
^
Const
].
Area
;
pMb
->
CutH
=
Nf_CutHandle
(
pCutSet
,
pCut
);
pMb
->
Gate
=
c
^
Const
;
pMb
->
Conf
=
0
;
pMb
->
fBest
=
1
;
// compare
if
(
pRes
->
A
>
pMb
->
A
||
(
pRes
->
A
==
pMb
->
A
&&
pRes
->
D
>
pMb
->
D
)
)
*
pRes
=
*
pMb
;
return
;
}
/*
if ( nFans == 1 )
{
int Const = (iFuncLit == 3);
printf( "Node %d(%d) is inv/buf\n", iObj, c );
assert( iFuncLit == 2 || iFuncLit == 3 );
pMb->D = pBestF[0]->M[c ^ !Const][0].D + p->pCells[2 + (c ^ Const)].Delays[0];
pMb->A = pBestF[0]->M[c ^ !Const][0].A + p->pCells[2 + (c ^ Const)].Area;
pMb->CutH = Nf_CutHandle(pCutSet, pCut);
pMb->Gate = 2 + (c ^ Const);
pMb->Conf = 0;
// pMb->Conf = 0;
pMb
->
Cfg
=
Nf_Int2Cfg
(
0
);
pMb
->
fBest
=
1
;
// compare
if
(
pRes
->
A
>
pMb
->
A
||
(
pRes
->
A
==
pMb
->
A
&&
pRes
->
D
>
pMb
->
D
)
)
*
pRes
=
*
pMb
;
return
;
}
*/
// consider matches of this function
Vec_IntForEachEntryDouble
(
vArr
,
Info
,
Offset
,
i
)
{
Pf_Mat_t
Mat
=
Pf_Int2Mat
(
Offset
);
Nf_Cfg_t
Cfg
=
Nf_Int2Cfg
(
Offset
);
Mio_Cell2_t
*
pC
=
Nf_ManCell
(
p
,
Info
);
int
fCompl
=
Mat
.
fCompl
^
fComplExt
;
int
fCompl
=
Cfg
.
fCompl
^
fComplExt
;
word
Delay
=
0
;
assert
(
nFans
==
(
int
)
pC
->
nFanins
);
if
(
fCompl
!=
c
)
continue
;
for
(
k
=
0
;
k
<
nFans
;
k
++
)
Nf_CfgForEachVarCompl
(
Cfg
,
nFans
,
iFanin
,
fComplF
,
k
)
{
iFanin
=
(
Mat
.
Perm
>>
(
3
*
k
))
&
7
;
fComplF
=
(
Mat
.
Phase
>>
k
)
&
1
;
pMd
=
&
pBestF
[
k
]
->
M
[
fComplF
][
0
];
pMd
=
&
pBestF
[
iFanin
]
->
M
[
fComplF
][
0
];
assert
(
pMd
->
fBest
);
Delay
=
Abc_MaxWord
(
Delay
,
pMd
->
D
+
pC
->
Delays
[
iFanin
]
);
Delay
=
Abc_MaxWord
(
Delay
,
pMd
->
D
+
pC
->
Delays
[
k
]
);
if
(
Delay
>
Required
)
break
;
}
if
(
k
<
nFans
)
continue
;
// create
mat
ch
// create
Cfg
ch
pMb
->
D
=
Delay
;
pMb
->
A
=
NF_INFINITY
;
pMb
->
fBest
=
1
;
pMb
->
fCompl
=
0
;
pMb
->
CutH
=
Nf_CutHandle
(
pCutSet
,
pCut
);
pMb
->
Gate
=
pC
->
Id
;
pMb
->
Conf
=
0
;
for
(
k
=
0
;
k
<
nFans
;
k
++
)
pMb
->
Conf
|=
(
Abc_Var2Lit
(
k
,
(
Mat
.
Phase
>>
k
)
&
1
)
<<
(((
Mat
.
Perm
>>
(
3
*
k
))
&
7
)
<<
2
));
pMb
->
Cfg
=
Cfg
;
pMb
->
Cfg
.
fCompl
=
0
;
// compute area
pMb
->
A
=
Nf_MatchRefArea
(
p
,
iObj
,
c
,
pMb
,
Required
);
// compare
...
...
@@ -1844,7 +1800,7 @@ word Nf_ManComputeArrival( Nf_Man_t * p, Nf_Mat_t * pM, int * pCutSet )
Mio_Cell2_t
*
pCell
=
Nf_ManCell
(
p
,
pM
->
Gate
);
int
*
pCut
=
Nf_CutFromHandle
(
pCutSet
,
pM
->
CutH
);
assert
(
!
pM
->
fCompl
);
Nf_CutForEachVar
(
pCut
,
pM
->
Conf
,
iVar
,
fCompl
,
k
)
Nf_CutForEachVar
Compl
(
pCut
,
pM
->
Cfg
,
iVar
,
fCompl
,
k
)
{
pMfan
=
Nf_ObjMatchBest
(
p
,
iVar
,
fCompl
);
Delay
=
Abc_MaxWord
(
Delay
,
pMfan
->
D
+
pCell
->
Delays
[
k
]
);
...
...
@@ -1994,7 +1950,7 @@ void Nf_ManComputeMappingEla( Nf_Man_t * p )
// update timing
pCell
=
Nf_ManCell
(
p
,
pMb
->
Gate
);
pCut
=
Nf_CutFromHandle
(
Nf_ObjCutSet
(
p
,
i
),
pMb
->
CutH
);
Nf_CutForEachVar
(
pCut
,
pMb
->
Conf
,
iVar
,
fCompl
,
k
)
Nf_CutForEachVar
Compl
(
pCut
,
pMb
->
Cfg
,
iVar
,
fCompl
,
k
)
{
pM
=
Nf_ObjMatchBest
(
p
,
iVar
,
fCompl
);
assert
(
pM
->
D
<=
Required
-
pCell
->
Delays
[
k
]
);
...
...
@@ -2031,7 +1987,7 @@ Gia_Man_t * Nf_ManDeriveMapping( Nf_Man_t * p )
{
Vec_Int_t
*
vMapping
;
Nf_Mat_t
*
pM
;
int
i
,
k
,
c
,
Id
,
i
Lit
,
*
pCut
;
int
i
,
k
,
c
,
Id
,
i
Var
,
fCompl
,
*
pCut
;
assert
(
p
->
pGia
->
vCellMapping
==
NULL
);
vMapping
=
Vec_IntAlloc
(
2
*
Gia_ManObjNum
(
p
->
pGia
)
+
(
int
)
p
->
pPars
->
Edge
+
(
int
)
p
->
pPars
->
Area
*
2
);
Vec_IntFill
(
vMapping
,
2
*
Gia_ManObjNum
(
p
->
pGia
),
0
);
...
...
@@ -2064,8 +2020,8 @@ Gia_Man_t * Nf_ManDeriveMapping( Nf_Man_t * p )
pCut
=
Nf_CutFromHandle
(
Nf_ObjCutSet
(
p
,
i
),
pM
->
CutH
);
Vec_IntWriteEntry
(
vMapping
,
Abc_Var2Lit
(
i
,
c
),
Vec_IntSize
(
vMapping
)
);
Vec_IntPush
(
vMapping
,
Nf_CutSize
(
pCut
)
);
Nf_CutForEach
Lit
(
pCut
,
pM
->
Conf
,
iLit
,
k
)
Vec_IntPush
(
vMapping
,
iLit
);
Nf_CutForEach
VarCompl
(
pCut
,
pM
->
Cfg
,
iVar
,
fCompl
,
k
)
Vec_IntPush
(
vMapping
,
Abc_Var2Lit
(
iVar
,
fCompl
)
);
Vec_IntPush
(
vMapping
,
pM
->
Gate
);
}
}
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment