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| author | Eddie Hung <eddie@fpgeh.com> | 2019-06-25 09:21:46 -0700 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2019-06-25 09:21:46 -0700 |
| commit | 4238feed81920a21e48c4274f93e5c1b4f009389 (patch) | |
| tree | aed577b3801b00fc67b7cab80af305f9415c9f65 /techlibs/xilinx/cells_map.v | |
| parent | 5b89553a1f1a3b3ec1667cadd34dc1939ebe67c2 (diff) | |
| download | yosys-4238feed81920a21e48c4274f93e5c1b4f009389.tar.gz yosys-4238feed81920a21e48c4274f93e5c1b4f009389.tar.bz2 yosys-4238feed81920a21e48c4274f93e5c1b4f009389.zip | |
This optimisation doesn't seem to work...
Diffstat (limited to 'techlibs/xilinx/cells_map.v')
| -rw-r--r-- | techlibs/xilinx/cells_map.v | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/techlibs/xilinx/cells_map.v b/techlibs/xilinx/cells_map.v index bc0455b0c..61c2c8f94 100644 --- a/techlibs/xilinx/cells_map.v +++ b/techlibs/xilinx/cells_map.v @@ -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 |