From 4da6cc890433e8d782f8a1805fa9ec617955464d Mon Sep 17 00:00:00 2001 From: Alan Mishchenko Date: Tue, 17 Aug 2021 16:52:29 -0700 Subject: Improving AIG to Verilog converter. --- src/aig/gia/gia.h | 2 +- src/aig/gia/giaMan.c | 89 ++++++++++++++++++++++++++++++++++++++-------------- 2 files changed, 67 insertions(+), 24 deletions(-) (limited to 'src/aig') diff --git a/src/aig/gia/gia.h b/src/aig/gia/gia.h index 3517502d..8a5137fe 100644 --- a/src/aig/gia/gia.h +++ b/src/aig/gia/gia.h @@ -1488,7 +1488,7 @@ extern void Gia_ManPrintStatsMiter( Gia_Man_t * p, int fVerbose ) extern void Gia_ManSetRegNum( Gia_Man_t * p, int nRegs ); extern void Gia_ManReportImprovement( Gia_Man_t * p, Gia_Man_t * pNew ); extern void Gia_ManPrintNpnClasses( Gia_Man_t * p ); -extern void Gia_ManDumpVerilog( Gia_Man_t * p, char * pFileName, Vec_Int_t * vObjs ); +extern void Gia_ManDumpVerilog( Gia_Man_t * p, char * pFileName, Vec_Int_t * vObjs, int fVerBufs ); /*=== giaMem.c ===========================================================*/ extern Gia_MmFixed_t * Gia_MmFixedStart( int nEntrySize, int nEntriesMax ); extern void Gia_MmFixedStop( Gia_MmFixed_t * p, int fVerbose ); diff --git a/src/aig/gia/giaMan.c b/src/aig/gia/giaMan.c index b5748401..e4c9afd0 100644 --- a/src/aig/gia/giaMan.c +++ b/src/aig/gia/giaMan.c @@ -1270,13 +1270,14 @@ void Gia_ManWriteNames( FILE * pFile, char c, int n, Vec_Ptr_t * vNames, int Sta fFirst = 0; } } -void Gia_ManDumpVerilog( Gia_Man_t * p, char * pFileName, Vec_Int_t * vObjs ) +void Gia_ManDumpVerilog( Gia_Man_t * p, char * pFileName, Vec_Int_t * vObjs, int fVerBufs ) { FILE * pFile; Gia_Obj_t * pObj; Vec_Bit_t * vInvs, * vUsed; - int nDigits = Abc_Base10Log( Gia_ManObjNum(p) ); - int nDigits2 = Abc_Base10Log( Gia_ManPiNum(p) ); + int nDigits = Abc_Base10Log( Gia_ManObjNum(p) ); + int nDigitsI = Abc_Base10Log( Gia_ManPiNum(p) ); + int nDigitsO = Abc_Base10Log( Gia_ManPoNum(p) ); int i, k, iObj; if ( Gia_ManRegNum(p) ) { @@ -1301,20 +1302,63 @@ void Gia_ManDumpVerilog( Gia_Man_t * p, char * pFileName, Vec_Int_t * vObjs ) fprintf( pFile, "%c", p->pName[i] ); else fprintf( pFile, "_" ); - fprintf( pFile, " (\n " ); - Gia_ManWriteNames( pFile, 'x', Gia_ManPiNum(p), p->vNamesIn, 4, 4, NULL ); - fprintf( pFile, ",\n " ); - Gia_ManWriteNames( pFile, 'z', Gia_ManPoNum(p), p->vNamesOut, 4, 4, NULL ); - fprintf( pFile, "\n );\n\n" ); + if ( fVerBufs ) + { + fprintf( pFile, " (\n " ); + Gia_ManWriteNames( pFile, 'a', Gia_ManPiNum(p), NULL, 4, 4, NULL ); + fprintf( pFile, ",\n " ); + + Gia_ManWriteNames( pFile, 'y', Gia_ManPoNum(p), NULL, 4, 4, NULL ); + fprintf( pFile, "\n );\n\n" ); + + fprintf( pFile, " input " ); + Gia_ManWriteNames( pFile, 'a', Gia_ManPiNum(p), NULL, 8, 4, NULL ); + fprintf( pFile, ";\n\n" ); + + fprintf( pFile, " output " ); + Gia_ManWriteNames( pFile, 'y', Gia_ManPoNum(p), NULL, 9, 4, NULL ); + fprintf( pFile, ";\n\n" ); + + fprintf( pFile, " wire " ); + Gia_ManWriteNames( pFile, 'x', Gia_ManPiNum(p), p->vNamesIn, 8, 4, NULL ); + fprintf( pFile, ";\n\n" ); - fprintf( pFile, " input " ); - Gia_ManWriteNames( pFile, 'x', Gia_ManPiNum(p), p->vNamesIn, 8, 4, NULL ); - fprintf( pFile, ";\n\n" ); + fprintf( pFile, " wire " ); + Gia_ManWriteNames( pFile, 'z', Gia_ManPoNum(p), p->vNamesOut, 9, 4, NULL ); + fprintf( pFile, ";\n\n" ); - fprintf( pFile, " output " ); - Gia_ManWriteNames( pFile, 'z', Gia_ManPoNum(p), p->vNamesOut, 9, 4, NULL ); - fprintf( pFile, ";\n\n" ); + Gia_ManForEachPi( p, pObj, i ) + { + fprintf( pFile, " buf ( %s,", Gia_ObjGetDumpName(p->vNamesIn, 'x', i, nDigitsI) ); + fprintf( pFile, " %s );\n", Gia_ObjGetDumpName(NULL, 'a', i, nDigitsI) ); + } + fprintf( pFile, "\n" ); + + Gia_ManForEachPo( p, pObj, i ) + { + fprintf( pFile, " buf ( %s,", Gia_ObjGetDumpName(NULL, 'y', i, nDigitsO) ); + fprintf( pFile, " %s );\n", Gia_ObjGetDumpName(p->vNamesOut, 'z', i, nDigitsO) ); + } + fprintf( pFile, "\n" ); + } + else + { + fprintf( pFile, " (\n " ); + Gia_ManWriteNames( pFile, 'x', Gia_ManPiNum(p), p->vNamesIn, 4, 4, NULL ); + fprintf( pFile, ",\n " ); + + Gia_ManWriteNames( pFile, 'z', Gia_ManPoNum(p), p->vNamesOut, 4, 4, NULL ); + fprintf( pFile, "\n );\n\n" ); + + fprintf( pFile, " input " ); + Gia_ManWriteNames( pFile, 'x', Gia_ManPiNum(p), p->vNamesIn, 8, 4, NULL ); + fprintf( pFile, ";\n\n" ); + + fprintf( pFile, " output " ); + Gia_ManWriteNames( pFile, 'z', Gia_ManPoNum(p), p->vNamesOut, 9, 4, NULL ); + fprintf( pFile, ";\n\n" ); + } if ( Vec_BitCount(vUsed) ) { @@ -1338,7 +1382,7 @@ void Gia_ManDumpVerilog( Gia_Man_t * p, char * pFileName, Vec_Int_t * vObjs ) fprintf( pFile, ";\n\n" ); Vec_IntForEachEntry( vObjs, iObj, i ) { - fprintf( pFile, " buf( %s,", Gia_ObjGetDumpName(NULL, 'n', iObj, nDigits) ); + fprintf( pFile, " buf ( %s,", Gia_ObjGetDumpName(NULL, 'n', iObj, nDigits) ); fprintf( pFile, " t_%d );\n", i ); } fprintf( pFile, "\n" ); @@ -1349,13 +1393,13 @@ void Gia_ManDumpVerilog( Gia_Man_t * p, char * pFileName, Vec_Int_t * vObjs ) { if ( Vec_BitEntry(vUsed, Gia_ObjId(p, pObj)) ) { - fprintf( pFile, " buf( %s,", Gia_ObjGetDumpName(NULL, 'n', Gia_ObjId(p, pObj), nDigits) ); - fprintf( pFile, " %s );\n", Gia_ObjGetDumpName(p->vNamesIn, 'x', i, nDigits2) ); + fprintf( pFile, " buf ( %s,", Gia_ObjGetDumpName(NULL, 'n', Gia_ObjId(p, pObj), nDigits) ); + fprintf( pFile, " %s );\n", Gia_ObjGetDumpName(p->vNamesIn, 'x', i, nDigitsI) ); } if ( Vec_BitEntry(vInvs, Gia_ObjId(p, pObj)) ) { - fprintf( pFile, " not( %s,", Gia_ObjGetDumpName(NULL, 'i', Gia_ObjId(p, pObj), nDigits) ); - fprintf( pFile, " %s );\n", Gia_ObjGetDumpName(p->vNamesIn, 'x', i, nDigits2) ); + fprintf( pFile, " not ( %s,", Gia_ObjGetDumpName(NULL, 'i', Gia_ObjId(p, pObj), nDigits) ); + fprintf( pFile, " %s );\n", Gia_ObjGetDumpName(p->vNamesIn, 'x', i, nDigitsI) ); } } @@ -1374,20 +1418,19 @@ void Gia_ManDumpVerilog( Gia_Man_t * p, char * pFileName, Vec_Int_t * vObjs ) } if ( !fSkip ) { - fprintf( pFile, " and( %s,", Gia_ObjGetDumpName(NULL, 'n', i, nDigits) ); + fprintf( pFile, " and ( %s,", Gia_ObjGetDumpName(NULL, 'n', i, nDigits) ); fprintf( pFile, " %s,", Gia_ObjGetDumpName(NULL, (char)(Gia_ObjFaninC0(pObj)? 'i':'n'), Gia_ObjFaninId0(pObj, i), nDigits) ); fprintf( pFile, " %s );\n", Gia_ObjGetDumpName(NULL, (char)(Gia_ObjFaninC1(pObj)? 'i':'n'), Gia_ObjFaninId1(pObj, i), nDigits) ); } if ( Vec_BitEntry(vInvs, i) ) { - fprintf( pFile, " not( %s,", Gia_ObjGetDumpName(NULL, 'i', i, nDigits) ); + fprintf( pFile, " not ( %s,", Gia_ObjGetDumpName(NULL, 'i', i, nDigits) ); fprintf( pFile, " %s );\n", Gia_ObjGetDumpName(NULL, 'n', i, nDigits) ); } } // output drivers fprintf( pFile, "\n" ); - nDigits2 = Abc_Base10Log( Gia_ManPoNum(p) ); Gia_ManForEachPo( p, pObj, i ) { /* @@ -1397,7 +1440,7 @@ void Gia_ManDumpVerilog( Gia_Man_t * p, char * pFileName, Vec_Int_t * vObjs ) else fprintf( pFile, "%s;\n", Gia_ObjGetDumpName(NULL, (char)(Gia_ObjFaninC0(pObj)? 'i':'n'), Gia_ObjFaninId0p(p, pObj), nDigits) ); */ - fprintf( pFile, " buf( %s, ", Gia_ObjGetDumpName(p->vNamesOut, 'z', i, nDigits2) ); + fprintf( pFile, " buf ( %s, ", Gia_ObjGetDumpName(p->vNamesOut, 'z', i, nDigitsO) ); if ( Gia_ObjIsConst0(Gia_ObjFanin0(pObj)) ) fprintf( pFile, "1\'b%d );\n", Gia_ObjFaninC0(pObj) ); else -- cgit v1.2.3