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Added SAT-based write-port sharing to memory_share

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This commit is contained in:
Clifford Wolf 2014-07-19 15:33:55 +02:00
parent 35edac0b31
commit 297a0962ea
2 changed files with 205 additions and 0 deletions
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25
tests/memories/shared_ports.v Normal file
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// expect-wr-ports 1
// expect-rd-ports 1
module test(
input clk,
input wr_en1, wr_en2, wr_en3,
input [3:0] wr_addr1, wr_addr2, wr_addr3,
input [15:0] wr_data,
input [3:0] rd_addr,
output reg [31:0] rd_data
);
reg [31:0] mem [0:15];
always @(posedge clk) begin
if (wr_en1)
mem[wr_addr1][15:0] <= wr_data;
else if (wr_en2)
mem[wr_addr2][23:8] <= wr_data;
else if (wr_en3)
mem[wr_addr3][31:16] <= wr_data;
rd_data <= mem[rd_addr];
end
endmodule