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lza cleanup

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This commit is contained in:
David Harris 2022-08-01 15:40:12 -07:00
parent 4953ccf273
commit 5468a90cf3
1 changed files with 3 additions and 5 deletions
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pipelined/src/fpu/fmalza.sv
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@ -39,14 +39,12 @@ module fmalza( // [Schmookler & Nowka, Leading zero anticipation and detection,
localparam WIDTH = 3*`NF+7; localparam WIDTH = 3*`NF+7;
logic [WIDTH-1:0] B,F; logic [WIDTH-1:0] F;
logic [WIDTH-2:0] P, G, K; logic [WIDTH-2:0] B, P, G, K;
logic [WIDTH-2:0] Pp1, Gm1, Km1; logic [WIDTH-2:0] Pp1, Gm1, Km1;
assign B = {{(`NF+3){1'b0}}, Pm}; // Zero extend product assign B = {{(`NF+2){1'b0}}, Pm}; // Zero extend product
// next steps***replace P[WIDTH-1] with sub, then remove one bit from A
assign P = A[WIDTH-2:0]^B[WIDTH-2:0]; assign P = A[WIDTH-2:0]^B[WIDTH-2:0];
assign G = A[WIDTH-2:0]&B[WIDTH-2:0]; assign G = A[WIDTH-2:0]&B[WIDTH-2:0];
assign K= ~A[WIDTH-2:0]&~B[WIDTH-2:0]; assign K= ~A[WIDTH-2:0]&~B[WIDTH-2:0];