181 lines
8.1 KiB
Verilog
181 lines
8.1 KiB
Verilog
// Test implicit casts during parameter declarations.
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module implicit_cast();
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localparam real src_r = -7;
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localparam bit unsigned [7:0] src_u2 = 7;
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localparam bit signed [7:0] src_s2 = -7;
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localparam logic unsigned [7:0] src_u4 = 7;
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localparam logic signed [7:0] src_s4 = -7;
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localparam logic unsigned [7:0] src_ux = 8'bx0z00111;
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localparam logic signed [7:0] src_sx = 8'bx0z00111;
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localparam real dst1_r = src_r;
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localparam real dst2_r = src_u4;
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localparam real dst3_r = src_s4;
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localparam real dst4_r = src_u2;
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localparam real dst5_r = src_s2;
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localparam real dst6_r = src_ux;
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localparam real dst7_r = src_sx;
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localparam bit unsigned [3:0] dst1_u2s = src_r;
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localparam bit unsigned [3:0] dst2_u2s = src_u4;
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localparam bit unsigned [3:0] dst3_u2s = src_s4;
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localparam bit unsigned [3:0] dst4_u2s = src_u2;
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localparam bit unsigned [3:0] dst5_u2s = src_s2;
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localparam bit unsigned [3:0] dst6_u2s = src_ux;
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localparam bit unsigned [3:0] dst7_u2s = src_sx;
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localparam bit signed [3:0] dst1_s2s = src_r;
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localparam bit signed [3:0] dst2_s2s = src_u4;
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localparam bit signed [3:0] dst3_s2s = src_s4;
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localparam bit signed [3:0] dst4_s2s = src_u2;
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localparam bit signed [3:0] dst5_s2s = src_s2;
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localparam bit signed [3:0] dst6_s2s = src_ux;
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localparam bit signed [3:0] dst7_s2s = src_sx;
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localparam bit unsigned [11:0] dst1_u2l = src_r;
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localparam bit unsigned [11:0] dst2_u2l = src_u4;
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localparam bit unsigned [11:0] dst3_u2l = src_s4;
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localparam bit unsigned [11:0] dst4_u2l = src_u2;
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localparam bit unsigned [11:0] dst5_u2l = src_s2;
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localparam bit unsigned [11:0] dst6_u2l = src_ux;
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localparam bit unsigned [11:0] dst7_u2l = src_sx;
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localparam bit signed [11:0] dst1_s2l = src_r;
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localparam bit signed [11:0] dst2_s2l = src_u4;
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localparam bit signed [11:0] dst3_s2l = src_s4;
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localparam bit signed [11:0] dst4_s2l = src_u2;
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localparam bit signed [11:0] dst5_s2l = src_s2;
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localparam bit signed [11:0] dst6_s2l = src_ux;
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localparam bit signed [11:0] dst7_s2l = src_sx;
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localparam logic unsigned [3:0] dst1_u4s = src_r;
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localparam logic unsigned [3:0] dst2_u4s = src_u4;
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localparam logic unsigned [3:0] dst3_u4s = src_s4;
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localparam logic unsigned [3:0] dst4_u4s = src_u2;
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localparam logic unsigned [3:0] dst5_u4s = src_s2;
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localparam logic unsigned [3:0] dst6_u4s = src_ux;
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localparam logic unsigned [3:0] dst7_u4s = src_sx;
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localparam logic signed [3:0] dst1_s4s = src_r;
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localparam logic signed [3:0] dst2_s4s = src_u4;
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localparam logic signed [3:0] dst3_s4s = src_s4;
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localparam logic signed [3:0] dst4_s4s = src_u2;
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localparam logic signed [3:0] dst5_s4s = src_s2;
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localparam logic signed [3:0] dst6_s4s = src_ux;
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localparam logic signed [3:0] dst7_s4s = src_sx;
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localparam logic unsigned [11:0] dst1_u4l = src_r;
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localparam logic unsigned [11:0] dst2_u4l = src_u4;
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localparam logic unsigned [11:0] dst3_u4l = src_s4;
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localparam logic unsigned [11:0] dst4_u4l = src_u2;
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localparam logic unsigned [11:0] dst5_u4l = src_s2;
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localparam logic unsigned [11:0] dst6_u4l = src_ux;
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localparam logic unsigned [11:0] dst7_u4l = src_sx;
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localparam logic signed [11:0] dst1_s4l = src_r;
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localparam logic signed [11:0] dst2_s4l = src_u4;
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localparam logic signed [11:0] dst3_s4l = src_s4;
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localparam logic signed [11:0] dst4_s4l = src_u2;
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localparam logic signed [11:0] dst5_s4l = src_s2;
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localparam logic signed [11:0] dst6_s4l = src_ux;
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localparam logic signed [11:0] dst7_s4l = src_sx;
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bit failed;
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initial begin
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failed = 0;
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$display("cast to real");
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$display("%g", dst1_r); if (dst1_r != -7.0) failed = 1;
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$display("%g", dst2_r); if (dst2_r != 7.0) failed = 1;
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$display("%g", dst3_r); if (dst3_r != -7.0) failed = 1;
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$display("%g", dst4_r); if (dst4_r != 7.0) failed = 1;
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$display("%g", dst5_r); if (dst5_r != -7.0) failed = 1;
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$display("%g", dst6_r); if (dst6_r != 7.0) failed = 1;
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$display("%g", dst7_r); if (dst7_r != 7.0) failed = 1;
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$display("cast to small unsigned bit");
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$display("%d", dst1_u2s); if (dst1_u2s !== 4'd9) failed = 1;
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$display("%d", dst2_u2s); if (dst2_u2s !== 4'd7) failed = 1;
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$display("%d", dst3_u2s); if (dst3_u2s !== 4'd9) failed = 1;
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$display("%d", dst4_u2s); if (dst4_u2s !== 4'd7) failed = 1;
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$display("%d", dst5_u2s); if (dst5_u2s !== 4'd9) failed = 1;
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$display("%d", dst6_u2s); if (dst6_u2s !== 4'd7) failed = 1;
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$display("%d", dst7_u2s); if (dst7_u2s !== 4'd7) failed = 1;
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$display("cast to small signed bit");
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$display("%d", dst1_s2s); if (dst1_s2s !== -4'sd7) failed = 1;
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$display("%d", dst2_s2s); if (dst2_s2s !== 4'sd7) failed = 1;
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$display("%d", dst3_s2s); if (dst3_s2s !== -4'sd7) failed = 1;
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$display("%d", dst4_s2s); if (dst4_s2s !== 4'sd7) failed = 1;
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$display("%d", dst5_s2s); if (dst5_s2s !== -4'sd7) failed = 1;
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$display("%d", dst6_s2s); if (dst6_s2s !== 4'sd7) failed = 1;
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$display("%d", dst7_s2s); if (dst7_s2s !== 4'sd7) failed = 1;
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$display("cast to large unsigned bit");
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$display("%d", dst1_u2l); if (dst1_u2l !== 12'd4089) failed = 1;
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$display("%d", dst2_u2l); if (dst2_u2l !== 12'd7) failed = 1;
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$display("%d", dst3_u2l); if (dst3_u2l !== 12'd4089) failed = 1;
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$display("%d", dst4_u2l); if (dst4_u2l !== 12'd7) failed = 1;
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$display("%d", dst5_u2l); if (dst5_u2l !== 12'd4089) failed = 1;
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$display("%b", dst6_u2l); if (dst6_u2l !== 12'b000000000111) failed = 1;
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$display("%b", dst7_u2l); if (dst7_u2l !== 12'b000000000111) failed = 1;
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$display("cast to large signed bit");
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$display("%d", dst1_s2l); if (dst1_s2l !== -12'sd7) failed = 1;
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$display("%d", dst2_s2l); if (dst2_s2l !== 12'sd7) failed = 1;
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$display("%d", dst3_s2l); if (dst3_s2l !== -12'sd7) failed = 1;
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$display("%d", dst4_s2l); if (dst4_s2l !== 12'sd7) failed = 1;
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$display("%d", dst5_s2l); if (dst5_s2l !== -12'sd7) failed = 1;
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$display("%b", dst6_s2l); if (dst6_s2l !== 12'b000000000111) failed = 1;
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$display("%b", dst7_s2l); if (dst7_s2l !== 12'b000000000111) failed = 1;
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$display("cast to small unsigned logic");
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$display("%d", dst1_u4s); if (dst1_u4s !== 4'd9) failed = 1;
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$display("%d", dst2_u4s); if (dst2_u4s !== 4'd7) failed = 1;
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$display("%d", dst3_u4s); if (dst3_u4s !== 4'd9) failed = 1;
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$display("%d", dst4_u4s); if (dst4_u4s !== 4'd7) failed = 1;
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$display("%d", dst5_u4s); if (dst5_u4s !== 4'd9) failed = 1;
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$display("%d", dst6_u4s); if (dst6_u4s !== 4'd7) failed = 1;
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$display("%d", dst7_u4s); if (dst7_u4s !== 4'd7) failed = 1;
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$display("cast to small signed logic");
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$display("%d", dst1_s4s); if (dst1_s4s !== -4'sd7) failed = 1;
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$display("%d", dst2_s4s); if (dst2_s4s !== 4'sd7) failed = 1;
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$display("%d", dst3_s4s); if (dst3_s4s !== -4'sd7) failed = 1;
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$display("%d", dst4_s4s); if (dst4_s4s !== 4'sd7) failed = 1;
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$display("%d", dst5_s4s); if (dst5_s4s !== -4'sd7) failed = 1;
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$display("%d", dst6_s4s); if (dst6_s4s !== 4'sd7) failed = 1;
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$display("%d", dst7_s4s); if (dst7_s4s !== 4'sd7) failed = 1;
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$display("cast to large unsigned logic");
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$display("%d", dst1_u4l); if (dst1_u4l !== 12'd4089) failed = 1;
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$display("%d", dst2_u4l); if (dst2_u4l !== 12'd7) failed = 1;
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$display("%d", dst3_u4l); if (dst3_u4l !== 12'd4089) failed = 1;
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$display("%d", dst4_u4l); if (dst4_u4l !== 12'd7) failed = 1;
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$display("%d", dst5_u4l); if (dst5_u4l !== 12'd4089) failed = 1;
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$display("%b", dst6_u4l); if (dst6_u4l !== 12'b0000x0z00111) failed = 1;
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$display("%b", dst7_u4l); if (dst7_u4l !== 12'bxxxxx0z00111) failed = 1;
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$display("cast to large signed logic");
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$display("%d", dst1_s4l); if (dst1_s4l !== -12'sd7) failed = 1;
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$display("%d", dst2_s4l); if (dst2_s4l !== 12'sd7) failed = 1;
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$display("%d", dst3_s4l); if (dst3_s4l !== -12'sd7) failed = 1;
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$display("%d", dst4_s4l); if (dst4_s4l !== 12'sd7) failed = 1;
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$display("%d", dst5_s4l); if (dst5_s4l !== -12'sd7) failed = 1;
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$display("%b", dst6_s4l); if (dst6_s4l !== 12'b0000x0z00111) failed = 1;
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$display("%b", dst7_s4l); if (dst7_s4l !== 12'bxxxxx0z00111) failed = 1;
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if (failed)
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$display("FAILED");
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else
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$display("PASSED");
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end
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endmodule
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