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new fpu implementation

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This commit is contained in:
Blaise Tine
2020-07-24 00:00:37 -04:00
parent f83521b7c6
commit 1f63f9da25
30 changed files with 318 additions and 258 deletions
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11
hw/rtl/VX_lsu_unit.v
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@@ -81,7 +81,7 @@ module VX_lsu_unit #(
reg [`NUM_THREADS-1:0] mem_rsp_mask[`DCREQ_SIZE-1:0];
wire [`LOG2UP(`DCREQ_SIZE)-1:0] mrq_write_addr, dbg_mrq_write_addr;
wire [`LOG2UP(`DCREQ_SIZE)-1:0] mrq_write_addr;
wire [`NUM_THREADS-1:0][1:0] mem_rsp_offset;
wire [`BYTEEN_BITS-1:0] core_rsp_mem_read;
@@ -97,18 +97,18 @@ module VX_lsu_unit #(
wire mrq_pop = mrq_pop_part && (0 == mem_rsp_mask_upd);
VX_index_queue #(
.DATAW (`LOG2UP(`DCREQ_SIZE) + 32 + 1 + (`NUM_THREADS * 2) + `BYTEEN_BITS + `NR_BITS + `NW_BITS),
.DATAW (32 + 1 + (`NUM_THREADS * 2) + `BYTEEN_BITS + `NR_BITS + `NW_BITS),
.SIZE (`DCREQ_SIZE)
) mem_req_queue (
.clk (clk),
.reset (reset),
.write_data ({mrq_write_addr, use_pc, use_wb, use_req_offset, mem_byteen, use_rd, use_warp_num}),
.write_data ({use_pc, use_wb, use_req_offset, mem_byteen, use_rd, use_warp_num}),
.write_addr (mrq_write_addr),
.push (mrq_push),
.full (mrq_full),
.pop (mrq_pop),
.read_addr (mrq_read_addr),
.read_data ({dbg_mrq_write_addr, lsu_commit_if.curr_PC, lsu_commit_if.wb, mem_rsp_offset, core_rsp_mem_read, lsu_commit_if.rd, lsu_commit_if.warp_num}),
.read_data ({lsu_commit_if.curr_PC, lsu_commit_if.wb, mem_rsp_offset, core_rsp_mem_read, lsu_commit_if.rd, lsu_commit_if.warp_num}),
`UNUSED_PIN (empty)
);
@@ -117,8 +117,7 @@ module VX_lsu_unit #(
mem_rsp_mask[mrq_write_addr] <= use_valid;
end
if (mrq_pop_part) begin
mem_rsp_mask[mrq_read_addr] <= mem_rsp_mask_upd;
assert(($time < 2) || mrq_read_addr == dbg_mrq_write_addr);
mem_rsp_mask[mrq_read_addr] <= mem_rsp_mask_upd;
end
end