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| author | Claire Wolf <clifford@clifford.at> | 2020-04-21 18:46:52 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-04-21 18:46:52 +0200 |
| commit | 9e1afde7a02e6d3a65c106f74920dcad9e678a04 (patch) | |
| tree | e521580ec3e49a3e5ead7c834bc8e9664a950d58 /tests/various/dynamic_part_select/forloop_select.v | |
| parent | abc8f1fcb65bb99ef4bf6fc6c6aa3126c333c68f (diff) | |
| parent | d32e56a3d1bdb36a77c0c3afad2eb4493292480b (diff) | |
| download | yosys-9e1afde7a02e6d3a65c106f74920dcad9e678a04.tar.gz yosys-9e1afde7a02e6d3a65c106f74920dcad9e678a04.tar.bz2 yosys-9e1afde7a02e6d3a65c106f74920dcad9e678a04.zip | |
Merge pull request #1851 from YosysHQ/claire/bitselwrite
Improved rewrite code for writing to bit slice
Diffstat (limited to 'tests/various/dynamic_part_select/forloop_select.v')
| -rw-r--r-- | tests/various/dynamic_part_select/forloop_select.v | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/various/dynamic_part_select/forloop_select.v b/tests/various/dynamic_part_select/forloop_select.v new file mode 100644 index 000000000..8260f3186 --- /dev/null +++ b/tests/various/dynamic_part_select/forloop_select.v @@ -0,0 +1,19 @@ +module forloop_select #(parameter WIDTH=16, SELW=4, CTRLW=$clog2(WIDTH), DINW=2**SELW) + (input clk, + input [CTRLW-1:0] ctrl, + input [DINW-1:0] din, + input en, + output reg [WIDTH-1:0] dout); + + reg [SELW:0] sel; + localparam SLICE = WIDTH/(SELW**2); + + always @(posedge clk) + begin + if (en) begin + for (sel = 0; sel <= 4'hf; sel=sel+1'b1) + dout[(ctrl*sel)+:SLICE] <= din; + end + end +endmodule + |