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updated casting conventions

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- explicit enum casts in source are converted to size casts
- conversion for basic pattern array literals of unsized numbers
- unsized number array literals preserve signing
- more aggressive ternary simplification
This commit is contained in:
Zachary Snow
2020-02-19 18:58:25 -05:00
parent 976f582287
commit 470fa01eb2
7 changed files with 54 additions and 29 deletions
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test/basic/integer_array.sv
+15 -3
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@@ -1,12 +1,24 @@
module top;
localparam integer B [4] = { 1, 2, 3, 4 };
localparam byte C [4] = { 1, 2, 3, 4 };
localparam bit D [4] = { 1, 2, 3, 4 };
localparam integer A [4] = { 1, 2, 3, 4 };
localparam byte B [4] = { 1, 2, 3, 4 };
localparam bit C [4] = { 1, 2, 3, 4 };
localparam integer signed D [4] = { -1, -2, -3, -4 };
localparam byte signed E [4] = { -1, -2, -3, -4 };
localparam bit signed F [4] = { -1, -2, -3, -4 };
localparam integer G [4] = '{ 1, 2, 3, 4 };
localparam byte H [4] = '{ 1, 2, 3, 4 };
localparam bit I [4] = '{ 1, 2, 3, 4 };
initial begin
`define PRINT(X) \
$display("%b %2d %2d", {X[0], X[1], X[2], X[3]}, $bits(X), $bits(X[0]));
`PRINT(A);
`PRINT(B);
`PRINT(C);
`PRINT(D);
`PRINT(E);
`PRINT(F);
`PRINT(G);
`PRINT(H);
`PRINT(I);
end
endmodule
test/basic/integer_array.v
+18 -6
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@@ -1,10 +1,22 @@
module top;
localparam [0:127] B = { 32'h1, 32'h2, 32'h3, 32'h4 };
localparam [0:31] C = { 8'h1, 8'h2, 8'h3, 8'h4 };
localparam [0:3] D = { 1'h1, 1'h0, 1'h1, 1'h0 };
localparam [0:127] A = { 32'h1, 32'h2, 32'h3, 32'h4 };
localparam [0:31] B = { 8'h1, 8'h2, 8'h3, 8'h4 };
localparam [0:3] C = { 1'h1, 1'h0, 1'h1, 1'h0 };
localparam [0:127] D = { 32'hFFFFFFFF, 32'hFFFFFFFE, 32'hFFFFFFFD, 32'hFFFFFFFC };
localparam [0:31] E = { 8'hFF, 8'hFE, 8'hFD, 8'hFC };
localparam [0:3] F = { 1'h1, 1'h0, 1'h1, 1'h0 };
localparam [0:127] G = { 32'h1, 32'h2, 32'h3, 32'h4 };
localparam [0:31] H = { 8'h1, 8'h2, 8'h3, 8'h4 };
localparam [0:3] I = { 1'h1, 1'h0, 1'h1, 1'h0 };
initial begin
$display("%b %2d %2d", B, $bits(B), 32);
$display("%b %2d %2d", C, $bits(C), 8);
$display("%b %2d %2d", D, $bits(D), 1);
$display("%b %2d %2d", A, $bits(A), 32);
$display("%b %2d %2d", B, $bits(B), 8);
$display("%b %2d %2d", C, $bits(C), 1);
$display("%b %2d %2d", D, $bits(D), 32);
$display("%b %2d %2d", E, $bits(E), 8);
$display("%b %2d %2d", F, $bits(F), 1);
$display("%b %2d %2d", G, $bits(G), 32);
$display("%b %2d %2d", H, $bits(H), 8);
$display("%b %2d %2d", I, $bits(I), 1);
end
endmodule