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Fixed cycles for multiple iterations. 2-copies radix 2 passing regression.

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Cedar Turek 2022-12-27 21:34:27 -08:00
parent 17bd0d9d68
commit 00073155c5
1 changed files with 1 additions and 1 deletions
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pipelined/src/fpu/fdivsqrt/fdivsqrtfsm.sv
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@ -103,7 +103,7 @@ module fdivsqrtfsm(
always_comb begin always_comb begin
if (SqrtE) fbits = Nf + 2 + 2; // Nf + two fractional bits for round/guard + 2 for right shift by up to 2 if (SqrtE) fbits = Nf + 2 + 2; // Nf + two fractional bits for round/guard + 2 for right shift by up to 2
else fbits = Nf + 2 + `LOGR; // Nf + two fractional bits for round/guard + integer bits - try this when placing results in msbs else fbits = Nf + 2 + `LOGR; // Nf + two fractional bits for round/guard + integer bits - try this when placing results in msbs
cycles = MDUE ? (nE + 1) : (fbits + (`LOGR*`DIVCOPIES)-1)/(`LOGR*`DIVCOPIES); cycles = MDUE ? ((nE + 1)/`DIVCOPIES) : (fbits + (`LOGR*`DIVCOPIES)-1)/(`LOGR*`DIVCOPIES);
end end
/* verilator lint_on WIDTH */ /* verilator lint_on WIDTH */