From: Eddie Hung Date: Thu, 6 Jun 2019 19:03:44 +0000 (-0700) Subject: One more and tidy up X-Git-Tag: yosys-0.9~48^2~32 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b8620f7b3dde4460e5a8ed3ea7fd7aef54aa7da1;p=yosys.git One more and tidy up --- diff --git a/tests/various/muxpack.v b/tests/various/muxpack.v index 333908fcb..c2c2537a0 100644 --- a/tests/various/muxpack.v +++ b/tests/various/muxpack.v @@ -5,7 +5,6 @@ always @* else if (s == 2) o <= i[2*W+:W]; else if (s == 3) o <= i[3*W+:W]; else o <= {W{1'bx}}; - endmodule module mux_if_unbal_5_3 #(parameter N=5, parameter W=3) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o); @@ -17,7 +16,6 @@ always @* begin if (s == 3) o <= i[3*W+:W]; if (s == 4) o <= i[4*W+:W]; end - endmodule module mux_if_unbal_5_3_invert #(parameter N=5, parameter W=3) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o); @@ -32,7 +30,6 @@ always @* else o <= i[2*W+:W]; else o <= i[1*W+:W]; else o <= {W{1'bx}}; - endmodule module mux_if_unbal_5_3_width_mismatch #(parameter N=5, parameter W=3) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o); @@ -44,10 +41,9 @@ always @* begin if (s == 3) o <= i[3*W+:W]; if (s == 4) o <= i[4*W+:W]; end - endmodule -module mux_if_unbal_5_3_missing #(parameter N=5, parameter W=3) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o); +module mux_if_unbal_4_1_missing #(parameter N=5, parameter W=3) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o); always @* begin if (s == 0) o <= i[0*W+:W]; // else if (s == 1) o <= i[1*W+:W]; @@ -55,5 +51,17 @@ always @* begin else if (s == 3) o <= i[3*W+:W]; else o <= {W{1'bx}}; end +endmodule +module mux_if_unbal_5_3_order #(parameter N=5, parameter W=3) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o); +always @* begin + o <= {W{1'bx}}; + if (s == 3) o <= i[3*W+:W]; + if (s == 2) o <= i[2*W+:W]; + if (s == 1) o <= i[1*W+:W]; + if (s == 4) o <= i[4*W+:W]; + if (s == 0) o <= i[0*W+:W]; +end endmodule + + diff --git a/tests/various/muxpack.ys b/tests/various/muxpack.ys index 174eea74b..a967ddfef 100644 --- a/tests/various/muxpack.ys +++ b/tests/various/muxpack.ys @@ -56,7 +56,21 @@ miter -equiv -flatten -make_assert -make_outputs gold gate miter sat -verify -prove-asserts -show-ports miter design -load read -hierarchy -top mux_if_unbal_5_3_missing +hierarchy -top mux_if_unbal_4_1_missing +prep +design -save gold +muxpack +opt +stat +select -assert-count 1 t:$pmux +design -stash gate +design -import gold -as gold +design -import gate -as gate +miter -equiv -flatten -make_assert -make_outputs gold gate miter +sat -verify -prove-asserts -show-ports miter + +design -load read +hierarchy -top mux_if_unbal_5_3_order prep design -save gold muxpack