diff options
Diffstat (limited to 'tests/arch/common')
-rw-r--r-- | tests/arch/common/adffs.v | 8 | ||||
-rw-r--r-- | tests/arch/common/dffs.v | 2 | ||||
-rw-r--r-- | tests/arch/common/shifter.v | 8 |
3 files changed, 17 insertions, 1 deletions
diff --git a/tests/arch/common/adffs.v b/tests/arch/common/adffs.v index 576bd81a6..966e7c2b8 100644 --- a/tests/arch/common/adffs.v +++ b/tests/arch/common/adffs.v @@ -1,7 +1,9 @@ module adff( input d, clk, clr, output reg q ); +`ifndef NO_INIT initial begin q = 0; end +`endif always @( posedge clk, posedge clr ) if ( clr ) q <= 1'b0; @@ -10,9 +12,11 @@ module adff( input d, clk, clr, output reg q ); endmodule module adffn( input d, clk, clr, output reg q ); +`ifndef NO_INIT initial begin q = 0; end +`endif always @( posedge clk, negedge clr ) if ( !clr ) q <= 1'b0; @@ -21,9 +25,11 @@ module adffn( input d, clk, clr, output reg q ); endmodule module dffs( input d, clk, pre, clr, output reg q ); +`ifndef NO_INIT initial begin q = 0; end +`endif always @( posedge clk ) if ( pre ) q <= 1'b1; @@ -32,9 +38,11 @@ module dffs( input d, clk, pre, clr, output reg q ); endmodule module ndffnr( input d, clk, pre, clr, output reg q ); +`ifndef NO_INIT initial begin q = 0; end +`endif always @( negedge clk ) if ( !clr ) q <= 1'b0; diff --git a/tests/arch/common/dffs.v b/tests/arch/common/dffs.v index 636252d16..0c607af50 100644 --- a/tests/arch/common/dffs.v +++ b/tests/arch/common/dffs.v @@ -4,9 +4,11 @@ module dff ( input d, clk, output reg q ); endmodule module dffe( input d, clk, en, output reg q ); +`ifndef NO_INIT initial begin q = 0; end +`endif always @( posedge clk ) if ( en ) q <= d; diff --git a/tests/arch/common/shifter.v b/tests/arch/common/shifter.v index 3030608ab..06e63c9af 100644 --- a/tests/arch/common/shifter.v +++ b/tests/arch/common/shifter.v @@ -1,7 +1,13 @@ module top(out, clk, in); output [7:0] out; input signed clk, in; - reg signed [7:0] out = 0; + reg signed [7:0] out; + +`ifndef NO_INIT + initial begin + out = 0; + end +`endif always @(posedge clk) begin |