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Fixed fdivsqrt to avoid going from done to busy without going through idle first

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This commit is contained in:
David Harris 2023-04-12 02:48:40 -07:00
parent c5e3b5c68d
commit 28c02a7e6a
1 changed files with 1 additions and 1 deletions
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src/fpu/fdivsqrt/fdivsqrtfsm.sv
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@ -110,7 +110,7 @@ module fdivsqrtfsm(
always_ff @(posedge clk) begin always_ff @(posedge clk) begin
if (reset | FlushE) begin if (reset | FlushE) begin
state <= #1 IDLE; state <= #1 IDLE;
end else if (IFDivStartE) begin end else if ((state == IDLE) & IFDivStartE) begin
step <= cycles; step <= cycles;
if (SpecialCaseE) state <= #1 DONE; if (SpecialCaseE) state <= #1 DONE;
else state <= #1 BUSY; else state <= #1 BUSY;