diff --git a/tests/simple/partsel_nordshift_nowrshmsk.v b/tests/simple/partsel_nordshift_nowrshmsk.v new file mode 100644 index 00000000000..b1def986b7d --- /dev/null +++ b/tests/simple/partsel_nordshift_nowrshmsk.v @@ -0,0 +1,151 @@ +module partsel_test001(input [2:0] idx, (* nordshift *) input [31:0] data, output [3:0] slice_up, slice_down); +wire [5:0] offset = idx << 2; +assign slice_up = data[offset +: 4]; +assign slice_down = data[offset + 3 -: 4]; +endmodule + +module partsel_test002 ( + input clk, rst, + (* nordshift *) input [7:0] a, + (* nordshift *) input [0:7] b, + (* nordshift *) input [1:0] s, + output [7:0] x1, x2, x3, + output [0:7] x4, x5, x6, + output [7:0] y1, y2, y3, + output [0:7] y4, y5, y6, + output [7:0] z1, z2, z3, + output [0:7] z4, z5, z6, + output [7:0] w1, w2, w3, + output [0:7] w4, w5, w6, + output [7:0] p1, p2, p3, p4, p5, p6, + output [0:7] q1, q2, q3, q4, q5, q6, + output reg [7:0] r1, + output reg [0:7] r2 +); + +assign x1 = a, x2 = a + b, x3 = b; +assign x4 = a, x5 = a + b, x6 = b; +assign y1 = a[4 +: 3], y2 = a[4 +: 3] + b[4 +: 3], y3 = b[4 +: 3]; +assign y4 = a[4 +: 3], y5 = a[4 +: 3] + b[4 +: 3], y6 = b[4 +: 3]; +assign z1 = a[4 -: 3], z2 = a[4 -: 3] + b[4 -: 3], z3 = b[4 -: 3]; +assign z4 = a[4 -: 3], z5 = a[4 -: 3] + b[4 -: 3], z6 = b[4 -: 3]; +assign w1 = a[6:3], w2 = a[6:3] + b[3:6], w3 = b[3:6]; +assign w4 = a[6:3], w5 = a[6:3] + b[3:6], w6 = b[3:6]; +assign p1 = a[s], p2 = b[s], p3 = a[s+2 +: 2], p4 = b[s+2 +: 2], p5 = a[s+2 -: 2], p6 = b[s+2 -: 2]; +assign q1 = a[s], q2 = b[s], q3 = a[s+2 +: 2], q4 = b[s+2 +: 2], q5 = a[s+2 -: 2], q6 = b[s+2 -: 2]; + +always @(posedge clk) begin + if (rst) begin + { r1, r2 } = 16'h1337 ^ {a, b}; + end else begin + case (s) + 0: begin + r1[3:0] <= r2[0:3] ^ x1; + r2[4:7] <= r1[7:4] ^ x4; + end + 1: begin + r1[2 +: 3] <= r2[5 -: 3] + x1; + r2[3 +: 3] <= r1[6 -: 3] + x4; + end + 2: begin + r1[6 -: 3] <= r2[3 +: 3] - x1; + r2[7 -: 3] <= r1[4 +: 3] - x4; + end + 3: begin + r1 <= r2; + r2 <= r1; + end + endcase + end +end + +endmodule + +module partsel_test003(input [2:0] a, b, (* nordshift *) input [31:0] din, output [3:0] dout); +assign dout = din[a*b +: 2]; +endmodule + +module partsel_test004 ( + (* nordshift *) input [31:0] din, + input signed [4:0] n, + (* nowrshmsk *) output reg [31:0] dout +); + always @(*) begin + dout = 0; + dout[n+1 +: 2] = din[n +: 2]; + end +endmodule + + +module partsel_test005 ( + (* nordshift *) input [31:0] din, + input signed [4:0] n, + (* nowrshmsk *) output reg [31:0] dout +); + always @(*) begin + dout = 0; + dout[n+1] = din[n]; + end +endmodule + +module partsel_test006 ( + (* nordshift *) input [31:-32] din, + input signed [4:0] n, + (* nowrshmsk *) output reg [31:-32] dout +); + always @(*) begin + dout = 0; + dout[n+1 +: 2] = din[n +: 2]; + end +endmodule + + +module partsel_test007 ( + (* nordshift *) input [31:-32] din, + input signed [4:0] n, + (* nowrshmsk *) output reg [31:-32] dout +); + always @(*) begin + dout = 0; + dout[n+1] = din[n]; + end +endmodule + + +module partsel_test008 ( + (* nordshift *) input [127:0] din, + input [3:0] idx, + input [4:0] uoffset, + input signed [4:0] soffset, + output [ 7:0] dout0, + output [ 7:0] dout1, + output [ 7:0] dout2, + output [ 7:0] dout3, + output [ 3:0] dout4, + output [ 3:0] dout5, + output [ 3:0] dout6, + output [ 3:0] dout7, + output [ 3:0] dout8, + output [11:0] dout9, + output [11:0] dout10, + output [11:0] dout11 +); + +// common: block-select with offsets +assign dout0 = din[idx*8 +uoffset +:8]; +assign dout1 = din[idx*8 -uoffset +:8]; +assign dout2 = din[idx*8 +soffset +:8]; +assign dout3 = din[idx*8 -soffset +:8]; + +// only partial block used +assign dout4 = din[idx*8 +uoffset +:4]; +assign dout5 = din[idx*8 -uoffset +:4]; +assign dout6 = din[idx*8 +soffset +:4]; +assign dout7 = din[idx*8 -soffset +:4]; + +// uncommon: more than one block used +assign dout8 = din[idx*8 +uoffset +:12]; +assign dout9 = din[idx*8 -uoffset +:12]; +assign dout10 = din[idx*8 +soffset +:12]; +assign dout11 = din[idx*8 -soffset +:12]; +endmodule