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module multiplier ( product,a0,a1 );
% @4 Q- X- _$ W3 h6 fparameter a0_width=8;
3 A; c+ |' d1 i$ O5 M$ n8 W. cparameter a1_width=8; " ]0 U8 B' p/ G: a7 J2 ]
localparam product_width=a0_width+a1_width;
3 M4 o. G. ^8 L8 _5 M" k3 u/ Soutput [ product_width-1:0 ] product;- T+ e$ J+ T; Y/ V2 _
input [ a0_width-1:0 ] a0;) G/ D+ H& b: x3 A9 } h% C: |+ u: I
input [ a1_width-1:0 ] a1;
; B; i3 r8 A! b& }7 Fgenerate
9 A0 i8 B, l' x3 | if ( a0_width<8 || a1_width<8 )+ o# H9 N1 P( j/ k
cal_multiplier # ( a0_width,a1_width ) m0 ( product,a0,a1 );
1 E" Z: a. M0 K: S9 e else
! G' ?2 T7 b& d tree_multiplier # ( a0_width,a1_width ) m0 ( product,a0,a1 );& ~$ W& G0 Z3 J* g3 U) t
endgenerate% }' M+ a L2 H, X, Q) w
endmodule- r. i' y# g& x. W4 o
1 @; g; @9 D8 IError: Node instance "m0" instantiates undefined entity "tree_multiplier"
, r4 m: F) X% G+ u |
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发表于 2014-12-2 14:41
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支持！
反对！