luke/abc
1
0
Fork 0
mirror of https://github.com/YosysHQ/abc.git synced 2026-09-05 00:51:01 +02:00
Code Issues Packages Projects Releases Wiki Activity

Compiler warnings.

Browse Source
This commit is contained in:
Alan Mishchenko
2014-08-04 15:34:34 -07:00
parent 1d9d6814ee
commit a3a6002b3d
5 changed files with 67 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/misc/util/utilTruth.h
+53
View File
@@ -53,6 +53,15 @@ static word s_Truths6Neg[6] = {
ABC_CONST(0x00000000FFFFFFFF)
};
static word s_TruthXors[6] = {
ABC_CONST(0x0000000000000000),
ABC_CONST(0x6666666666666666),
ABC_CONST(0x6969696969696969),
ABC_CONST(0x6996699669966996),
ABC_CONST(0x6996966969969669),
ABC_CONST(0x6996966996696996)
};
static word s_PMasks[5][3] = {
{ ABC_CONST(0x9999999999999999), ABC_CONST(0x2222222222222222), ABC_CONST(0x4444444444444444) },
{ ABC_CONST(0xC3C3C3C3C3C3C3C3), ABC_CONST(0x0C0C0C0C0C0C0C0C), ABC_CONST(0x3030303030303030) },
@@ -161,6 +170,19 @@ static inline int Abc_TtWordNum( int nVars ) { return nVars <= 6 ? 1 : 1 <<
static inline int Abc_TtByteNum( int nVars ) { return nVars <= 3 ? 1 : 1 << (nVars-3); }
static inline int Abc_TtHexDigitNum( int nVars ) { return nVars <= 2 ? 1 : 1 << (nVars-2); }
/**Function*************************************************************
Synopsis [Bit mask.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
static inline word Abc_Tt6Mask( int nBits ) { assert( nBits >= 0 && nBits <= 64 ); return (~(word)0) >> (64-nBits); }
/**Function*************************************************************
Synopsis []
@@ -947,6 +969,37 @@ static inline int Abc_Tt6SupportAndSize( word t, int nVars, int * pSuppSize )
}
/**Function*************************************************************
Synopsis [Detecting elementary functions.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
static inline int Abc_TtOnlyOneOne( word t )
{
if ( t == 0 )
return 0;
return (t & (t-1)) == 0;
}
static inline int Gia_ManTtIsAndType( word t, int nVars )
{
return Abc_TtOnlyOneOne( t & Abc_Tt6Mask(1 << nVars) );
}
static inline int Gia_ManTtIsOrType( word t, int nVars )
{
return Abc_TtOnlyOneOne( ~t & Abc_Tt6Mask(1 << nVars) );
}
static inline int Gia_ManTtIsXorType( word t, int nVars )
{
return ((((t & 1) ? ~t : t) ^ s_TruthXors[nVars]) & Abc_Tt6Mask(1 << nVars)) == 0;
}
/**Function*************************************************************
Synopsis []