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For example,
; u( a7 W* T4 V' j {& w0 Z
( B e$ {2 c; D# b. @always @(posedge clk)6 h$ a5 _7 }* {' ]
begin
3 p3 Z" ]/ p; ?' O; y, \: B if(A)3 P! u9 s! _! K" Q
Q <= #1 D0;! Z& q- p$ e% Q$ a5 ?
else if(B)
u: }9 T* r& T3 ^9 ]# k4 l% G; b Q <= #1 D1;& |: f) q1 I2 y( g+ u4 P p
end% W/ e+ x( U. k! j; X' _
2 K7 ?* } R, H: w& l. M# a//======================================//1 c2 a3 E% f. O
, ]$ d( m7 G" S2 _) @
always @(posedge)+ G& D8 v w0 c4 M0 _5 `
Q <= #1 (A)? D0 : (B)? D1 : Q;
6 M7 Z" m7 [2 l7 x/ s8 J9 R# g3 c: r/ o; B4 i
The code coverage of second is higher than that of the first.* M0 W. \ z: o' J/ _$ T3 B
The code coverage is affected by the coding style.
' n/ r1 c, m# s# c( U: MThe more readably code may have a low code coverage.& I# ]/ p, _7 c3 v
N2 i7 n8 F+ \- V! vSincrely,$ g) i5 L0 H/ ?" N3 p
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發表於 2008-2-24 23:52:31
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