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area optimization bundle

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This commit is contained in:
Blaise Tine
2021-09-05 23:35:44 -07:00
parent fe5112b6c1
commit b52ace5142
9 changed files with 89 additions and 89 deletions
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14
hw/rtl/VX_lsu_unit.v
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@@ -51,9 +51,9 @@ module VX_lsu_unit #(
end
// detect duplicate addresses
wire [`NUM_THREADS-1:0] addr_matches;
for (genvar i = 0; i < `NUM_THREADS; i++) begin
assign addr_matches[i] = (full_addr[0] == full_addr[i]) || ~lsu_req_if.tmask[i];
wire [`NUM_THREADS-2:0] addr_matches;
for (genvar i = 0; i < (`NUM_THREADS-1); i++) begin
assign addr_matches[i] = (lsu_req_if.base_addr[i+1] == lsu_req_if.base_addr[0]) || ~lsu_req_if.tmask[i+1];
end
wire lsu_is_dup = lsu_req_if.tmask[0] && (& addr_matches);
@@ -150,7 +150,7 @@ module VX_lsu_unit #(
wire [`NUM_THREADS-1:0] req_tmask_dup = req_tmask & {{(`NUM_THREADS-1){~req_is_dup}}, 1'b1};
wire req_ready_all = &(dcache_req_if.ready | req_sent_mask | ~req_tmask_dup);
wire dcache_req_ready = &(dcache_req_if.ready | req_sent_mask | ~req_tmask_dup);
wire [`NUM_THREADS-1:0] req_sent_mask_n = req_sent_mask | dcache_req_fire;
@@ -159,7 +159,7 @@ module VX_lsu_unit #(
req_sent_mask <= 0;
is_req_start <= 1;
end else begin
if (req_ready_all) begin
if (dcache_req_ready) begin
req_sent_mask <= 0;
is_req_start <= 1;
end else begin
@@ -235,11 +235,11 @@ module VX_lsu_unit #(
`endif
end
assign ready_in = req_dep_ready && req_ready_all;
assign ready_in = req_dep_ready && dcache_req_ready;
// send store commit
wire is_store_rsp = req_valid && ~req_wb && req_ready_all;
wire is_store_rsp = req_valid && ~req_wb && dcache_req_ready;
assign st_commit_if.valid = is_store_rsp;
assign st_commit_if.wid = req_wid;