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Rename Stage that removes the need for forwarding

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This commit is contained in:
felsabbagh3
2019-10-17 00:48:54 -04:00
parent 9a9afbbb6b
commit 95047fcadc
12 changed files with 177 additions and 183 deletions
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15
rtl/VX_forwarding.v
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@@ -111,7 +111,8 @@ module VX_forwarding (
(!src1_mem_fwd));
assign out_src1_fwd = src1_exe_fwd || src1_mem_fwd || (src1_wb_fwd && 0);
// assign out_src1_fwd = src1_exe_fwd || src1_mem_fwd || (src1_wb_fwd && 0);
assign out_src1_fwd = 0;
@@ -137,15 +138,19 @@ module VX_forwarding (
(in_writeback_warp_num == in_decode_warp_num);
assign out_src2_fwd = src2_exe_fwd || src2_mem_fwd || (src2_wb_fwd && 0);
// assign out_src2_fwd = src2_exe_fwd || src2_mem_fwd || (src2_wb_fwd && 0);
assign out_src2_fwd = 0;
wire exe_mem_read_stall = ((src1_exe_fwd || src2_exe_fwd) && exe_mem_read) ? `STALL : `NO_STALL;
wire mem_mem_read_stall = ((src1_mem_fwd || src2_mem_fwd) && mem_mem_read) ? `STALL : `NO_STALL;
// wire exe_mem_read_stall = ((src1_exe_fwd || src2_exe_fwd) && exe_mem_read) ? `STALL : `NO_STALL;
// wire mem_mem_read_stall = ((src1_mem_fwd || src2_mem_fwd) && mem_mem_read) ? `STALL : `NO_STALL;
wire exe_mem_read_stall = `NO_STALL;
wire mem_mem_read_stall = `NO_STALL;
assign out_fwd_stall = exe_mem_read_stall || mem_mem_read_stall;
// assign out_fwd_stall = exe_mem_read_stall || mem_mem_read_stall;
assign out_fwd_stall = 0;
// always @(*) begin
// if (out_fwd_stall) $display("FWD STALL");