mirror of https://github.com/YosysHQ/abc.git
Fix in represneting constants in a platform-independent way.
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@ -1261,24 +1261,24 @@ static inline int Abc_Tt6FirstBit( word t )
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{
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int n = 0;
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if ( t == 0 ) return -1;
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if ( (t & 0x00000000FFFFFFFF) == 0 ) { n += 32; t >>= 32; }
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if ( (t & 0x000000000000FFFF) == 0 ) { n += 16; t >>= 16; }
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if ( (t & 0x00000000000000FF) == 0 ) { n += 8; t >>= 8; }
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if ( (t & 0x000000000000000F) == 0 ) { n += 4; t >>= 4; }
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if ( (t & 0x0000000000000003) == 0 ) { n += 2; t >>= 2; }
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if ( (t & 0x0000000000000001) == 0 ) { n++; }
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if ( (t & ABC_CONST(0x00000000FFFFFFFF)) == 0 ) { n += 32; t >>= 32; }
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if ( (t & ABC_CONST(0x000000000000FFFF)) == 0 ) { n += 16; t >>= 16; }
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if ( (t & ABC_CONST(0x00000000000000FF)) == 0 ) { n += 8; t >>= 8; }
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if ( (t & ABC_CONST(0x000000000000000F)) == 0 ) { n += 4; t >>= 4; }
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if ( (t & ABC_CONST(0x0000000000000003)) == 0 ) { n += 2; t >>= 2; }
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if ( (t & ABC_CONST(0x0000000000000001)) == 0 ) { n++; }
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return n;
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}
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static inline int Abc_Tt6LastBit( word t )
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{
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int n = 0;
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if ( t == 0 ) return -1;
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if ( (t & 0xFFFFFFFF00000000) == 0 ) { n += 32; t <<= 32; }
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if ( (t & 0xFFFF000000000000) == 0 ) { n += 16; t <<= 16; }
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if ( (t & 0xFF00000000000000) == 0 ) { n += 8; t <<= 8; }
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if ( (t & 0xF000000000000000) == 0 ) { n += 4; t <<= 4; }
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if ( (t & 0xC000000000000000) == 0 ) { n += 2; t <<= 2; }
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if ( (t & 0x8000000000000000) == 0 ) { n++; }
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if ( (t & ABC_CONST(0xFFFFFFFF00000000)) == 0 ) { n += 32; t <<= 32; }
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if ( (t & ABC_CONST(0xFFFF000000000000)) == 0 ) { n += 16; t <<= 16; }
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if ( (t & ABC_CONST(0xFF00000000000000)) == 0 ) { n += 8; t <<= 8; }
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if ( (t & ABC_CONST(0xF000000000000000)) == 0 ) { n += 4; t <<= 4; }
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if ( (t & ABC_CONST(0xC000000000000000)) == 0 ) { n += 2; t <<= 2; }
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if ( (t & ABC_CONST(0x8000000000000000)) == 0 ) { n++; }
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return 63-n;
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}
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static inline int Abc_TtFindFirstBit( word * pIn, int nVars )
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