Consolidated hana test benches into fewer files

for pf in test_simulation_{always,and,buffer,decoder,inc,mux,nand,nor,or,seq,shifter,sop,techmap,xnor,xor}; do
gawk 'FNR == 1 { printf("\n// %s\n",FILENAME); } { gsub("^module *", sprintf("module f%d_",ARGIND)); print; }' \
    ${pf}_*_test.v > $pf.v; ../tools/autotest.sh $pf.v; mv -v ${pf}_*_test.v Attic/; done;

..etc..

tests/hana/test_parse2synthtrans.v

@@ -0,0 +1,117 @@
+
+// test_parse2synthtrans_behavopt_1_test.v
+module f1_test(in, out, clk, reset);
+input in, reset;
+output reg out;
+input clk;
+reg signed [3:0] a;
+reg signed [3:0] b;
+reg signed [3:0] c;
+reg [5:0] d;
+reg [5:0] e;
+
+always @(clk or reset) begin
+    a = -4;
+    b = 2;
+    c = a + b;
+    d = a + b + c;
+    d = d*d;
+    if(b)
+        e = d*d;
+    else 
+        e = d + d;
+end
+endmodule
+
+// test_parse2synthtrans_case_1_test.v
+module f2_demultiplexer1_to_4 (out0, out1, out2, out3, in, s1, s0);
+output out0, out1, out2, out3;
+reg out0, out1, out2, out3;
+input in;
+input s1, s0;
+reg [3:0] encoding;
+reg [1:0] state;
+   always @(encoding) begin
+        case (encoding)
+        4'bxx11: state = 1;
+        4'bx0xx: state = 3;
+        4'b11xx: state = 4;
+        4'bx1xx: state = 2;
+        4'bxx1x: state = 1;
+        4'bxxx1: state = 0;
+        default: state = 0;
+        endcase
+   end
+   
+   always @(encoding) begin
+        case (encoding)
+        4'b0000: state = 1;
+        default: state = 0;
+        endcase
+   end
+endmodule
+
+// test_parse2synthtrans_contassign_1_test.v
+module f3_test(in, out);
+
+input wire in;
+output  out;
+assign out = (in+in);
+assign out = 74;
+endmodule
+
+// test_parse2synthtrans_module_basic0_test.v
+module f4_test;
+endmodule
+
+// test_parse2synthtrans_operators_1_test.v
+module f5_test(in, out);
+input in;
+output out;
+parameter p1 = 10;
+parameter p2 = 5;
+
+assign out = +p1;
+assign out = -p2;
+assign out = p1 + p2;
+assign out = p1 - p2;
+endmodule
+
+// test_parse2synthtrans_param_1_test.v
+module f6_test(in, out);
+input in;
+output out;
+parameter p = 10;
+
+assign out = p;
+endmodule
+
+// test_parse2synthtrans_port_scalar_1_test.v
+module f7_test(in, out, io);
+inout io;
+output out;
+input in;
+
+endmodule
+
+// test_parse2synthtrans_port_vector_1_test.v
+module f8_test(in1, in2, out1, out2, io1, io2);
+inout [1:0] io1;
+inout [0:1] io2;
+output [1:0] out1;
+output [0:1] out2;
+input [1:0] in1;
+input [0:1] in2;
+
+endmodule
+
+// test_parse2synthtrans_v2k_comb_logic_sens_list_test.v
+module f9_test(q, d, clk, reset);
+output reg q;
+input d, clk, reset;
+
+always @ (posedge clk, negedge reset)
+	if(!reset) q <= 0;
+	else q <= d;
+
+endmodule