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This optimisation doesn't seem to work...

This commit is contained in:
Eddie Hung 2019-06-25 09:21:46 -07:00
parent 5b89553a1f
commit 4238feed81
1 changed files with 24 additions and 24 deletions
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48
techlibs/xilinx/cells_map.v
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@ -287,32 +287,32 @@ module \$__XILINX_MUXF78 (O, I0, I1, I2, I3, S0, S1);
output O;
input I0, I1, I2, I3, S0, S1;
wire T0, T1;
parameter _TECHMAP_BITS_CONNMAP_ = 0;
parameter [_TECHMAP_BITS_CONNMAP_-1:0] _TECHMAP_CONNMAP_I0_ = 0;
parameter [_TECHMAP_BITS_CONNMAP_-1:0] _TECHMAP_CONNMAP_I1_ = 0;
parameter [_TECHMAP_BITS_CONNMAP_-1:0] _TECHMAP_CONNMAP_I2_ = 0;
parameter [_TECHMAP_BITS_CONNMAP_-1:0] _TECHMAP_CONNMAP_I3_ = 0;
parameter _TECHMAP_CONSTMSK_S0_ = 0;
parameter _TECHMAP_CONSTVAL_S0_ = 0;
parameter _TECHMAP_CONSTMSK_S1_ = 0;
parameter _TECHMAP_CONSTVAL_S1_ = 0;
if (_TECHMAP_CONSTMSK_S0_ && _TECHMAP_CONSTVAL_S0_ === 1'b1)
assign T0 = I1;
else if (_TECHMAP_CONSTMSK_S0_ || _TECHMAP_CONNMAP_I0_ === _TECHMAP_CONNMAP_I1_)
assign T0 = I0;
else
// parameter _TECHMAP_BITS_CONNMAP_ = 0;
// parameter [_TECHMAP_BITS_CONNMAP_-1:0] _TECHMAP_CONNMAP_I0_ = 0;
// parameter [_TECHMAP_BITS_CONNMAP_-1:0] _TECHMAP_CONNMAP_I1_ = 0;
// parameter [_TECHMAP_BITS_CONNMAP_-1:0] _TECHMAP_CONNMAP_I2_ = 0;
// parameter [_TECHMAP_BITS_CONNMAP_-1:0] _TECHMAP_CONNMAP_I3_ = 0;
// parameter _TECHMAP_CONSTMSK_S0_ = 0;
// parameter _TECHMAP_CONSTVAL_S0_ = 0;
// parameter _TECHMAP_CONSTMSK_S1_ = 0;
// parameter _TECHMAP_CONSTVAL_S1_ = 0;
// if (_TECHMAP_CONSTMSK_S0_ && _TECHMAP_CONSTVAL_S0_ === 1'b1)
// assign T0 = I1;
// else if (_TECHMAP_CONSTMSK_S0_ || _TECHMAP_CONNMAP_I0_ === _TECHMAP_CONNMAP_I1_)
// assign T0 = I0;
// else
MUXF7 mux7a (.I0(I0), .I1(I1), .S(S0), .O(T0));
if (_TECHMAP_CONSTMSK_S0_ && _TECHMAP_CONSTVAL_S0_ === 1'b1)
assign T1 = I3;
else if (_TECHMAP_CONSTMSK_S0_ || _TECHMAP_CONNMAP_I2_ === _TECHMAP_CONNMAP_I3_)
assign T1 = I2;
else
// if (_TECHMAP_CONSTMSK_S0_ && _TECHMAP_CONSTVAL_S0_ === 1'b1)
// assign T1 = I3;
// else if (_TECHMAP_CONSTMSK_S0_ || _TECHMAP_CONNMAP_I2_ === _TECHMAP_CONNMAP_I3_)
// assign T1 = I2;
// else
MUXF7 mux7b (.I0(I2), .I1(I3), .S(S0), .O(T1));
if (_TECHMAP_CONSTMSK_S1_ && _TECHMAP_CONSTVAL_S1_ === 1'b1)
assign O = T1;
else if (_TECHMAP_CONSTMSK_S1_ || (_TECHMAP_CONNMAP_I0_ === _TECHMAP_CONNMAP_I1_ && _TECHMAP_CONNMAP_I1_ === _TECHMAP_CONNMAP_I2_ && _TECHMAP_CONNMAP_I2_ === _TECHMAP_CONNMAP_I3_))
assign O = T0;
else
// if (_TECHMAP_CONSTMSK_S1_ && _TECHMAP_CONSTVAL_S1_ === 1'b1)
// assign O = T1;
// else if (_TECHMAP_CONSTMSK_S1_ || (_TECHMAP_CONNMAP_I0_ === _TECHMAP_CONNMAP_I1_ && _TECHMAP_CONNMAP_I1_ === _TECHMAP_CONNMAP_I2_ && _TECHMAP_CONNMAP_I2_ === _TECHMAP_CONNMAP_I3_))
// assign O = T0;
// else
MUXF8 mux8 (.I0(T0), .I1(T1), .S(S1), .O(O));
endmodule
`endif