From cb285e4b87112779efe84a7b6c5ae4a76a69ae01 Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Tue, 28 May 2019 15:33:47 +0200 Subject: Do not use shiftmul peepopt pattern when mul result is truncated, fixes #1047 Signed-off-by: Clifford Wolf --- tests/simple/peepopt.v | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'tests') diff --git a/tests/simple/peepopt.v b/tests/simple/peepopt.v index b27b9fe57..1bf427897 100644 --- a/tests/simple/peepopt.v +++ b/tests/simple/peepopt.v @@ -2,6 +2,10 @@ module peepopt_shiftmul_0 #(parameter N=3, parameter W=3) (input [N*W-1:0] i, in assign o = i[s*W+:W]; endmodule +module peepopt_shiftmul_1 (output y, input [2:0] w); +assign y = 1'b1 >> (w * (3'b110)); +endmodule + module peepopt_muldiv_0(input [1:0] i, output [1:0] o); wire [3:0] t; assign t = i * 3; -- cgit v1.2.3