Removed unnecessary XZero from fdivsqrt

2023-03-23 17:25:59 -07:00 · 2023-03-23 17:25:59 -07:00 · dc156cc09c
commit dc156cc09c
parent 83e13cef46
1 changed files with 1 additions and 1 deletions
--- a/src/fpu/fdivsqrt/fdivsqrtexpcalc.sv
+++ b/src/fpu/fdivsqrt/fdivsqrtexpcalc.sv
@ -69,6 +69,6 @@ module fdivsqrtexpcalc(
  assign SExp  = {SXExp[`NE+1], SXExp[`NE+1:1]} + {2'b0, Bias};
  
  // correct exponent for subnormal input's normalization shifts
-  assign DExp  = ({2'b0, Xe} - {{(`NE+1-`DIVBLEN){1'b0}}, ell} - {2'b0, Ye} + {{(`NE+1-`DIVBLEN){1'b0}}, m} + {3'b0, Bias}) & {`NE+2{~XZero}}; // *** why Xzero?  Is this a hack for postprocessor?
+  assign DExp  = ({2'b0, Xe} - {{(`NE+1-`DIVBLEN){1'b0}}, ell} - {2'b0, Ye} + {{(`NE+1-`DIVBLEN){1'b0}}, m} + {3'b0, Bias}); 
  assign Qe = Sqrt ? SExp : DExp;
 endmodule