新思dw-minmax詳細代碼

新思dw_minmax詳細代碼

moduleDW_minmax(

//Inputs

a,

tc,

min_max,

//Outputs

value,

index

);

parameterWIDTH=

4;

//elementWIDTH

parameterNUM_INPUTS=

8;

//numberofelementsininputarray

parameterINDEX_WIDTH=

3;

//sizeofindexpointer=ceil(log2(NUM_INPUTS))

input

[NUM_INPUTS*WIDTH-1:0]

a;

//Concatenatedinputvector

input

tc;

//0=unsigned,1=signed

input

min_max;//0=findmin,1=findmax

output[WIDTH-1:0]

value;

//monormaxvaluefound

output[INDEX_WIDTH-1:0]

index;

//indextovaluefound

wire

[NUM_INPUTS*WIDTH-1:0]

a_uns,a_trans;

reg

[WIDTH-1:0]

val_int;

wire

[WIDTH-1:0]

val_trans;

reg

[INDEX_WIDTH-1:0]

indx_int;

wire[INDEX_WIDTH:0]num_inputs_log2;

assignnum_inputs_log2=1<<INDEX_WIDTH;

assigna_uns=(WIDTH==1)?a^{NUM_INPUTS{tc}}:a^{NUM_INPUTS{tc,{WIDTH-1{1'b0}}}};

assigna_trans=a_uns;

always@(a_transormin_max)begin:PROC_find_minmax

reg

[WIDTH-1:0]

val_1,val_2;

reg

[INDEX_WIDTH-1:0]

indx_1,indx_2;

reg

[((2<<INDEX_WIDTH)-1)*WIDTH-1:0]

val_array;

reg

[((2<<INDEX_WIDTH)-1)*INDEX_WIDTH-1:0]indx_array;

reg

[31:0]

i,j,k,l,m,n;

i=0;

j=0;

val_array={WIDTH<<(INDEX_WIDTH+1){1'b0}};

indx_array={INDEX_WIDTH<<(INDEX_WIDTH+1){1'b0}};

for(n=0;n<NUM_INPUTS;n=n+1)begin

for(m=0;m<WIDTH;m=m+1)

val_array[i+m]=a_trans[i+m];

for(m=0;m<INDEX_WIDTH;m=m+1)

indx_array[j+m]=n[m];

i=i+WIDTH;

j=j+INDEX_WIDTH;

end

for(n=NUM_INPUTS;n<(1<<INDEX_WIDTH);n=n+1)begin

for(m=0;m<WIDTH;m=m+1)

val_array[i+m]=val_array[(NUM_INPUTS-1)*WIDTH+m];

for(m=0;m<INDEX_WIDTH;m=m+1)

indx_array[j+m]=indx_array[(NUM_INPUTS-1)*INDEX_WIDTH+m];

i=i+WIDTH;

j=j+INDEX_WIDTH;

end

k=0;

l=0;

for(n=0;n<(1<<(INDEX_WIDTH-1))*2-1;n=n+1)begin

for(m=0;m<WIDTH;m=m+1)begin

val_1[m]=val_array[k+m];

end

for(m=0;m<INDEX_WIDTH;m=m+1)begin

indx_1[m]=indx_array[l+m];

end

k=k+WIDTH;

l=l+INDEX_WIDTH;

for(m=0;m<WIDTH;m=m+1)begin

val_2[m]=val_array[k+m];

end

for(m=0;m<INDEX_WIDTH;m=m+1)begin

indx_2[m]=indx_array[l+m];

end

k=k+WIDTH;

l=l+INDEX_WIDTH;

if(((min_max==1'b1)&&(val_1>val_2))||((min_max==1'b0)&&(val_1<=val_2)))begin

for(m=0;m<WIDTH;m=m+1)

val_array[i+m]=val_1[m];

for(m=0;m<INDEX_WIDTH;m=m+1)

indx_array[j+m]=indx_1[m];

endelsebegin

for(m=0;m<WIDTH;m=m+1)

val_array[i+m]=val_2[m];

for(m=0;m<INDEX_WIDTH;m=m+1)

indx_array[j+m]=indx_2[m];

end

i=i+WIDTH;

j=j+INDEX_WIDTH;

end

for(m=0;m<WIDTH;m=m+1)

val_int[m]=val_array[k+m];

for(m=0;m<INDEX_WIDTH;m=m+1)

in