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Making LUT optimization optional

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This commit is contained in:
Blaise Tine 2024-08-06 12:38:30 -07:00
parent 9dcb377b67
commit 0096e60f03
2 changed files with 12 additions and 11 deletions
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2
hw/rtl/libs/VX_onehot_mux.sv
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@ -18,7 +18,7 @@ module VX_onehot_mux #(
parameter DATAW = 1,
parameter N = 1,
parameter MODEL = 1,
parameter LUT_OPT = 1
parameter LUT_OPT = 0
) (
input wire [N-1:0][DATAW-1:0] data_in,
input wire [N-1:0] sel_in,

21
hw/rtl/libs/VX_rr_arbiter.sv
View file

@ -15,9 +15,10 @@
`TRACING_OFF
module VX_rr_arbiter #(
parameter NUM_REQS = 1,
parameter MODEL = 1,
parameter LOG_NUM_REQS = `LOG2UP(NUM_REQS)
parameter NUM_REQS = 1,
parameter MODEL = 1,
parameter LOG_NUM_REQS = `LOG2UP(NUM_REQS),
parameter LUT_OPT = 0
) (
input wire clk,
input wire reset,
@ -37,7 +38,7 @@ module VX_rr_arbiter #(
assign grant_onehot = requests;
assign grant_valid = requests[0];
end else if (NUM_REQS == 2) begin
end else if (LUT_OPT && NUM_REQS == 2) begin
reg [LOG_NUM_REQS-1:0] grant_index_r;
reg [NUM_REQS-1:0] grant_onehot_r;
@ -63,7 +64,7 @@ module VX_rr_arbiter #(
assign grant_onehot = grant_onehot_r;
assign grant_valid = (| requests);
end /*else if (NUM_REQS == 3) begin
end else if (LUT_OPT && NUM_REQS == 3) begin
reg [LOG_NUM_REQS-1:0] grant_index_r;
reg [NUM_REQS-1:0] grant_onehot_r;
@ -93,7 +94,7 @@ module VX_rr_arbiter #(
assign grant_onehot = grant_onehot_r;
assign grant_valid = (| requests);
end */else if (NUM_REQS == 4) begin
end else if (LUT_OPT && NUM_REQS == 4) begin
reg [LOG_NUM_REQS-1:0] grant_index_r;
reg [NUM_REQS-1:0] grant_onehot_r;
@ -129,7 +130,7 @@ module VX_rr_arbiter #(
assign grant_onehot = grant_onehot_r;
assign grant_valid = (| requests);
end /*else if (NUM_REQS == 5) begin
end else if (LUT_OPT && NUM_REQS == 5) begin
reg [LOG_NUM_REQS-1:0] grant_index_r;
reg [NUM_REQS-1:0] grant_onehot_r;
@ -173,7 +174,7 @@ module VX_rr_arbiter #(
assign grant_onehot = grant_onehot_r;
assign grant_valid = (| requests);
end else if (NUM_REQS == 6) begin
end else if (LUT_OPT && NUM_REQS == 6) begin
reg [LOG_NUM_REQS-1:0] grant_index_r;
reg [NUM_REQS-1:0] grant_onehot_r;
@ -227,7 +228,7 @@ module VX_rr_arbiter #(
assign grant_onehot = grant_onehot_r;
assign grant_valid = (| requests);
end else if (NUM_REQS == 7) begin
end else if (LUT_OPT && NUM_REQS == 7) begin
reg [LOG_NUM_REQS-1:0] grant_index_r;
reg [NUM_REQS-1:0] grant_onehot_r;
@ -293,7 +294,7 @@ module VX_rr_arbiter #(
assign grant_onehot = grant_onehot_r;
assign grant_valid = (| requests);
end */else if (NUM_REQS == 8) begin
end else if (LUT_OPT && NUM_REQS == 8) begin
reg [LOG_NUM_REQS-1:0] grant_index_r;
reg [NUM_REQS-1:0] grant_onehot_r;