| // DESCRIPTION: Verilator: Verilog Test module |
| // |
| // This file ONLY is placed into the Public Domain, for any use, |
| // without warranty, 2009 by Wilson Snyder. |
| |
| module t (/*AUTOARG*/ |
| // Inputs |
| clk |
| ); |
| input clk; |
| integer cyc=0; |
| |
| genvar g; |
| integer i; |
| |
| reg [31:0] v; |
| |
| reg [31:0] gen_pre_PLUSPLUS = 32'h0; |
| reg [31:0] gen_pre_MINUSMINUS = 32'h0; |
| reg [31:0] gen_post_PLUSPLUS = 32'h0; |
| reg [31:0] gen_post_MINUSMINUS = 32'h0; |
| reg [31:0] gen_PLUSEQ = 32'h0; |
| reg [31:0] gen_MINUSEQ = 32'h0; |
| reg [31:0] gen_TIMESEQ = 32'h0; |
| reg [31:0] gen_DIVEQ = 32'h0; |
| reg [31:0] gen_MODEQ = 32'h0; |
| reg [31:0] gen_ANDEQ = 32'h0; |
| reg [31:0] gen_OREQ = 32'h0; |
| reg [31:0] gen_XOREQ = 32'h0; |
| reg [31:0] gen_SLEFTEQ = 32'h0; |
| reg [31:0] gen_SRIGHTEQ = 32'h0; |
| reg [31:0] gen_SSRIGHTEQ = 32'h0; |
| |
| generate |
| for (g=8; g<=16; ++g) always @(posedge clk) gen_pre_PLUSPLUS[g] = 1'b1; |
| for (g=16; g>=8; --g) always @(posedge clk) gen_pre_MINUSMINUS[g] = 1'b1; |
| for (g=8; g<=16; g++) always @(posedge clk) gen_post_PLUSPLUS[g] = 1'b1; |
| for (g=16; g>=8; g--) always @(posedge clk) gen_post_MINUSMINUS[g] = 1'b1; |
| for (g=8; g<=16; g+=2) always @(posedge clk) gen_PLUSEQ[g] = 1'b1; |
| for (g=16; g>=8; g-=2) always @(posedge clk) gen_MINUSEQ[g] = 1'b1; |
| `ifndef verilator //UNSUPPORTED |
| for (g=8; g<=16; g*=2) always @(posedge clk) gen_TIMESEQ[g] = 1'b1; |
| for (g=16; g>=8; g/=2) always @(posedge clk) gen_DIVEQ[g] = 1'b1; |
| for (g=15; g>8; g%=8) always @(posedge clk) gen_MODEQ[g] = 1'b1; |
| for (g=7; g>4; g&=4) always @(posedge clk) gen_ANDEQ[g] = 1'b1; |
| for (g=1; g<=1; g|=2) always @(posedge clk) gen_OREQ[g] = 1'b1; |
| for (g=7; g==7; g^=2) always @(posedge clk) gen_XOREQ[g] = 1'b1; |
| for (g=8; g<=16; g<<=2) always @(posedge clk) gen_SLEFTEQ[g] = 1'b1; |
| for (g=16; g>=8; g>>=2) always @(posedge clk) gen_SRIGHTEQ[g] = 1'b1; |
| for (g=16; g>=8; g>>>=2) always @(posedge clk) gen_SSRIGHTEQ[g] = 1'b1; |
| `endif |
| endgenerate |
| |
| always @ (posedge clk) begin |
| cyc <= cyc + 1; |
| if (cyc == 3) begin |
| `ifdef TEST_VERBOSE |
| $write("gen_pre_PLUSPLUS %b\n", gen_pre_PLUSPLUS); |
| $write("gen_pre_MINUSMINUS %b\n", gen_pre_MINUSMINUS); |
| $write("gen_post_PLUSPLUS %b\n", gen_post_PLUSPLUS); |
| $write("gen_post_MINUSMINUS %b\n", gen_post_MINUSMINUS); |
| $write("gen_PLUSEQ %b\n", gen_PLUSEQ); |
| $write("gen_MINUSEQ %b\n", gen_MINUSEQ); |
| $write("gen_TIMESEQ %b\n", gen_TIMESEQ); |
| $write("gen_DIVEQ %b\n", gen_DIVEQ); |
| $write("gen_MODEQ %b\n", gen_MODEQ); |
| $write("gen_ANDEQ %b\n", gen_ANDEQ); |
| $write("gen_OREQ %b\n", gen_OREQ); |
| $write("gen_XOREQ %b\n", gen_XOREQ); |
| $write("gen_SLEFTEQ %b\n", gen_SLEFTEQ); |
| $write("gen_SRIGHTEQ %b\n", gen_SRIGHTEQ); |
| $write("gen_SSRIGHTEQ %b\n", gen_SSRIGHTEQ); |
| `endif |
| if (gen_pre_PLUSPLUS !== 32'b00000000000000011111111100000000) $stop; |
| if (gen_pre_MINUSMINUS !== 32'b00000000000000011111111100000000) $stop; |
| if (gen_post_PLUSPLUS !== 32'b00000000000000011111111100000000) $stop; |
| if (gen_post_MINUSMINUS!== 32'b00000000000000011111111100000000) $stop; |
| if (gen_PLUSEQ !== 32'b00000000000000010101010100000000) $stop; |
| if (gen_MINUSEQ !== 32'b00000000000000010101010100000000) $stop; |
| `ifndef verilator //UNSUPPORTED |
| if (gen_TIMESEQ !== 32'b00000000000000010000000100000000) $stop; |
| if (gen_DIVEQ !== 32'b00000000000000010000000100000000) $stop; |
| if (gen_MODEQ !== 32'b00000000000000001000000000000000) $stop; |
| if (gen_ANDEQ !== 32'b00000000000000000000000010000000) $stop; |
| if (gen_OREQ !== 32'b00000000000000000000000000000010) $stop; |
| if (gen_XOREQ !== 32'b00000000000000000000000010000000) $stop; |
| if (gen_SLEFTEQ !== 32'b00000000000000000000000100000000) $stop; |
| if (gen_SRIGHTEQ !== 32'b00000000000000010000000000000000) $stop; |
| if (gen_SSRIGHTEQ !== 32'b00000000000000010000000000000000) $stop; |
| `endif |
| |
| v=0; for (i=8; i<=16; ++i) v[i] = 1'b1; if (v !== 32'b00000000000000011111111100000000) $stop; |
| v=0; for (i=16; i>=8; --i) v[i] = 1'b1; if (v !== 32'b00000000000000011111111100000000) $stop; |
| v=0; for (i=8; i<=16; i++) v[i] = 1'b1; if (v !== 32'b00000000000000011111111100000000) $stop; |
| v=0; for (i=16; i>=8; i--) v[i] = 1'b1; if (v !== 32'b00000000000000011111111100000000) $stop; |
| v=0; for (i=8; i<=16; i+=2) v[i] = 1'b1; if (v !== 32'b00000000000000010101010100000000) $stop; |
| v=0; for (i=16; i>=8; i-=2) v[i] = 1'b1; if (v !== 32'b00000000000000010101010100000000) $stop; |
| `ifndef verilator //UNSUPPORTED |
| v=0; for (i=8; i<=16; i*=2) v[i] = 1'b1; if (v !== 32'b00000000000000010000000100000000) $stop; |
| v=0; for (i=16; i>=8; i/=2) v[i] = 1'b1; if (v !== 32'b00000000000000010000000100000000) $stop; |
| v=0; for (i=15; i>8; i%=8) v[i] = 1'b1; if (v !== 32'b00000000000000001000000000000000) $stop; |
| v=0; for (i=7; i>4; i&=4) v[i] = 1'b1; if (v !== 32'b00000000000000000000000010000000) $stop; |
| v=0; for (i=1; i<=1; i|=2) v[i] = 1'b1; if (v !== 32'b00000000000000000000000000000010) $stop; |
| v=0; for (i=7; i==7; i^=2) v[i] = 1'b1; if (v !== 32'b00000000000000000000000010000000) $stop; |
| v=0; for (i=8; i<=16; i<<=2) v[i] =1'b1; if (v !== 32'b00000000000000000000000100000000) $stop; |
| v=0; for (i=16; i>=8; i>>=2) v[i] =1'b1; if (v !== 32'b00000000000000010000000000000000) $stop; |
| v=0; for (i=16; i>=8; i>>>=2) v[i]=1'b1; if (v !== 32'b00000000000000010000000000000000) $stop; |
| `endif |
| $write("*-* All Finished *-*\n"); |
| $finish; |
| end |
| end |
| |
| endmodule |