From 11f7b8a2a1dd6e5c47e8081e4485127331fd80be Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Sun, 29 May 2016 12:17:36 +0200 Subject: Added opt_expr support for div/mod by power-of-two --- tests/simple/constmuldivmod.v | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 tests/simple/constmuldivmod.v (limited to 'tests') diff --git a/tests/simple/constmuldivmod.v b/tests/simple/constmuldivmod.v new file mode 100644 index 000000000..d1d8be862 --- /dev/null +++ b/tests/simple/constmuldivmod.v @@ -0,0 +1,27 @@ +module constmuldivmod(input [7:0] A, input [2:0] mode, output reg [7:0] Y); + always @* begin + case (mode) + 0: Y = A / 8'd0; + 1: Y = A % 8'd0; + 2: Y = A * 8'd0; + + 3: Y = A / 8'd1; + 4: Y = A % 8'd1; + 5: Y = A * 8'd1; + + 6: Y = A / 8'd2; + 7: Y = A % 8'd2; + 8: Y = A * 8'd2; + + 9: Y = A / 8'd4; + 10: Y = A % 8'd4; + 11: Y = A * 8'd4; + + 12: Y = A / 8'd8; + 13: Y = A % 8'd8; + 14: Y = A * 8'd8; + + default: Y = 8'd16 * A; + endcase + end +endmodule -- cgit v1.2.3