From 45b5eabe868ac2f8a755379bde07c102caf74afb Mon Sep 17 00:00:00 2001 From: Alejandro Soto Date: Sat, 27 Apr 2024 11:45:23 -0600 Subject: rtl/fpu: initial commit Imported from https://github.com/taneroksuz/fpu-sp --- rtl/fpu/lzc/lzc_4.sv | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 rtl/fpu/lzc/lzc_4.sv (limited to 'rtl/fpu/lzc/lzc_4.sv') diff --git a/rtl/fpu/lzc/lzc_4.sv b/rtl/fpu/lzc/lzc_4.sv new file mode 100644 index 0000000..0d5182c --- /dev/null +++ b/rtl/fpu/lzc/lzc_4.sv @@ -0,0 +1,33 @@ +module lzc_4 ( + input [3:0] a, + output [1:0] c, + output v +); + + logic a0; + logic a1; + logic a2; + logic a3; + + logic s0; + logic s1; + logic s2; + logic s3; + logic s4; + + assign a0 = a[0]; + assign a1 = a[1]; + assign a2 = a[2]; + assign a3 = a[3]; + + assign s0 = a3 | a2; + assign s1 = a1 | a0; + assign s2 = s1 | s0; + assign s3 = (~s0) & a1; + assign s4 = a3 | s3; + + assign v = s2; + assign c[0] = s4; + assign c[1] = s0; + +endmodule -- cgit v1.2.3