Restore $__XILINX_MUXF78 const optimisation
authorEddie Hung <eddie@fpgeh.com>
Fri, 28 Jun 2019 19:12:41 +0000 (12:12 -0700)
committerEddie Hung <eddie@fpgeh.com>
Fri, 28 Jun 2019 19:12:41 +0000 (12:12 -0700)
techlibs/xilinx/cells_map.v

index c6e7349742829c9c54f3f5d5483d15ed136a3c3c..b13f8d1eed4b0e73b45cf18ccd860dc994bd2601 100644 (file)
@@ -279,32 +279,32 @@ 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