From 10ab07975fb21b2762ae7e9f3a648918da256a4e Mon Sep 17 00:00:00 2001 From: Kevin Kim Date: Mon, 4 Mar 2024 14:31:21 -0800 Subject: [PATCH] uslc comments --- src/fpu/fdivsqrt/fdivsqrtuslc4cmp.sv | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/src/fpu/fdivsqrt/fdivsqrtuslc4cmp.sv b/src/fpu/fdivsqrt/fdivsqrtuslc4cmp.sv index c8b065f31..7812248a9 100644 --- a/src/fpu/fdivsqrt/fdivsqrtuslc4cmp.sv +++ b/src/fpu/fdivsqrt/fdivsqrtuslc4cmp.sv @@ -31,7 +31,8 @@ module fdivsqrtuslc4cmp ( input logic [2:0] Dmsbs, // U0.3 fractional bits after implicit leading 1 input logic [4:0] Smsbs, // U1.4 leading bits of square root approximation input logic [7:0] WSmsbs, WCmsbs, // Q4.4 residual most significant bits - input logic SqrtE, j0, j1, + input logic SqrtE, + input logic j0,j1, // are we on first (j0) or second step (j1) of digit selection output logic [3:0] udigit // {2, 1, -1, -2} digit is 0 if none are hot ); logic [6:0] Wmsbs; @@ -73,11 +74,9 @@ module fdivsqrtuslc4cmp ( assign mkj1 = j1 ? 8 : 0; // when j = 1 use mk1[101] = 8 and when j = 0 use 0 so we choose u_0 = 1 assign sqrtspecial = SqrtE & (j1 | j0); - // Choose A for current operation *** Come back to this + // Choose A for current operation always_comb if (SqrtE) begin - //if (j1) A = 3'b101; - //if (Smsbs == 5'b10000) A = 3'b111; // *** can we get rid of SMSBs case? if (Smsbs[4]) A = 3'b111; // *** can we get rid of SMSBs case? else A = Smsbs[2:0]; end else A = Dmsbs;