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module multiplier ( product,a0,a1 );
: m7 k, ?6 J; v. n, R" \( y; z9 |parameter a0_width=8;( p; A3 Q2 a/ [9 O v$ @& Q
parameter a1_width=8; . z1 a$ \0 D9 F$ G/ a
localparam product_width=a0_width+a1_width;( j+ g; f" f8 A! y+ w
output [ product_width-1:0 ] product; E) o& N% [! s) F4 ~
input [ a0_width-1:0 ] a0;% p' Y x0 u) {' _- o! K w; `
input [ a1_width-1:0 ] a1;
7 @7 a b8 k& R8 \& _2 ^generate
; j v! s- J1 j1 Y% i* o/ j0 e if ( a0_width<8 || a1_width<8 )
. z( l* y! |& A% N+ O% a' Y3 A cal_multiplier # ( a0_width,a1_width ) m0 ( product,a0,a1 );
% R. `. B( i! Q* }/ s, ~* o! h- s else8 x5 K% J* ^; `% _( r
tree_multiplier # ( a0_width,a1_width ) m0 ( product,a0,a1 );
7 q! m# c: }2 F8 l X( p# g$ q endgenerate
2 N4 m, I3 E7 Y/ B) u9 iendmodule
+ R: Q5 w, q: m9 K6 [3 d- ^( G5 G$ s
Error: Node instance "m0" instantiates undefined entity "tree_multiplier"- U7 f6 p' v- G+ @7 z
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