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[/] [ft816float/] [trunk/] [rtl/] [verilog2/] [dfdiv.sv] - Diff between revs 84 and 86

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Rev 84	Rev 86
Line 80...	Line 80...
`);`	`);`
`end`	`end`
`endgenerate`	`endgenerate`

`reg nz;`	`reg nz;`
`reg [N-1:0] zc;`	`reg [N*2-1:0] zc;`
`genvar g;`	`genvar g;`
`generate begin : glzcnt`	`generate begin : glzcnt`
`for (g = N-1; g >= 0; g = g - 1)`	`for (g = N*2-1; g >= 0; g = g - 1)`
`always_comb`	`always_comb`
`zc[g] = qi[g4+3+N4:g4+N4]==0;`	`zc[g] = qi[g4+3:g4]==0;`
`end`	`end`
`endgenerate`	`endgenerate`

`integer n;`	`integer n;`
`always_comb`	`always_comb`
`begin`	`begin`
`nz = 1'b0;`	`nz = 1'b0;`
`lzcnt = 'd0;`	`lzcnt = 'd0;`
`for (n = N-1; n >= 0; n = n - 1)`	`for (n = N*2-1; n >= 0; n = n - 1)`
`begin`	`begin`
`nz = nz \| ~zc[n];`	`nz = nz \| ~zc[n];`
`if (!nz)`	`if (!nz)`
`lzcnt = lzcnt + 1;`	`lzcnt = lzcnt + 1;`
`end`	`end`
Line 135...	Line 135...
`if (dcnt==6'd0)`	`if (dcnt==6'd0)`
`st <= DONE;`	`st <= DONE;`
`end`	`end`
`else`	`else`
`begin`	`begin`
`ri <= dif;//N[0] ? dif : dif[FPWID+4-1:4];`	`ri <= dif;`
`cnt <= cnt + 1'd1;`	`cnt <= cnt + 1'd1;`
`end`	`end`
`end`	`end`
`end`	`end`
`end`	`end`

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