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WSPAWN imp + tested

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This commit is contained in:
felsabbagh3
2019-10-21 23:35:53 -04:00
parent c21e400f9f
commit 31d3d51392
13 changed files with 2166 additions and 2138 deletions
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23
rtl/VX_gpgpu_inst.v
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@@ -20,14 +20,27 @@ module VX_gpgpu_inst (
wire valid_inst = (|curr_valids);
assign VX_warp_ctl.warp_num = VX_gpu_inst_req.warp_num;
assign VX_warp_ctl.change_mask = (VX_gpu_inst_req.is_tmc || VX_gpu_inst_req.is_split) && valid_inst;
assign VX_warp_ctl.change_mask = (VX_gpu_inst_req.is_tmc) && valid_inst;
assign VX_warp_ctl.thread_mask = VX_gpu_inst_req.is_tmc ? tmc_new_mask : 0;
assign VX_warp_ctl.ebreak = (VX_gpu_inst_req.a_reg_data[0] == 0) && valid_inst;
// assign VX_warp_ctl.ebreak = (VX_gpu_inst_req.a_reg_data[0] == 0) && valid_inst;
assign VX_warp_ctl.ebreak = VX_warp_ctl.change_mask && (VX_warp_ctl.thread_mask == 0);
assign VX_warp_ctl.wspawn = 0;
assign VX_warp_ctl.wspawn_pc = 0;
wire wspawn = VX_gpu_inst_req.is_wspawn;
wire[31:0] wspawn_pc = VX_gpu_inst_req.rd2;
wire[`NW-1:0] wspawn_new_active;
genvar curr_w;
for (curr_w = 0; curr_w < `NW; curr_w=curr_w+1)
begin
assign wspawn_new_active[curr_w] = curr_w < VX_gpu_inst_req.a_reg_data[0];
end
assign VX_warp_ctl.wspawn = wspawn;
assign VX_warp_ctl.wspawn_pc = wspawn_pc;
assign VX_warp_ctl.wspawn_new_active = wspawn_new_active;
wire[`NT_M1:0] split_new_use_mask;
wire[`NT_M1:0] split_new_later_mask;
@@ -49,7 +62,7 @@ module VX_gpgpu_inst (
);
assign VX_warp_ctl.is_split = is_split && (num_valids > 1);
assign VX_warp_ctl.is_split = is_split && (num_valids > 1) && (split_new_use_mask != 0) && (split_new_use_mask != {`NT{1'b1}});
assign VX_warp_ctl.split_new_mask = split_new_use_mask;
assign VX_warp_ctl.split_later_mask = split_new_later_mask;
assign VX_warp_ctl.split_save_pc = VX_gpu_inst_req.pc_next;