mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-04-27 19:05:52 +00:00
Code Activity

Resolve struct member multiple dimensions defined in stages with typedef

Browse source
This commit is contained in:
Dag Lem 2024-01-05 19:29:06 +01:00 • committed by Zachary Snow
parent fab326d3e8
commit f09ea16bd1
3 changed files with 62 additions and 55 deletions
Download patch file Download diff file Expand all files Collapse all files

45
tests/svtypes/struct_array.sv
View file

@ -23,6 +23,29 @@ module top;
always_comb assert(s.b[23:16]===8'hxx);
always_comb assert(s.b[19:12]===8'hxf);
// Same as s, but defining dimensions in stages with typedef
typedef bit [7:0] bit8_t;
struct packed {
bit8_t [5:0] a; // 6 element packed array of bytes
bit [15:0] b; // filler for non-zero offset
} s_s;
initial begin
s_s = '0;
s_s.a[2:1] = 16'h1234;
s_s.a[5] = 8'h42;
s_s.a[-1] = '0;
s_s.b = '1;
s_s.b[1:0] = '0;
end
always_comb assert(s_s==64'h4200_0012_3400_FFFC);
always_comb assert(s_s.a[0][3:-4]===8'h0x);
always_comb assert(s_s.b[23:16]===8'hxx);
always_comb assert(s_s.b[19:12]===8'hxf);
struct packed {
bit [7:0] [7:0] a; // 8 element packed array of bytes
bit [15:0] b; // filler for non-zero offset
@ -125,6 +148,28 @@ module top;
always_comb assert(s3_lbl==80'hFC00_4200_0012_3400_FFFC);
// Same as s3_lbl, but defining dimensions in stages with typedef
typedef bit [0:3] bit3l_t;
struct packed {
bit3l_t [0:7] [1:0] a;
bit [0:15] b; // filler for non-zero offset
} s3_lbl_s;
initial begin
s3_lbl_s = '0;
s3_lbl_s.a[5:6] = 16'h1234;
s3_lbl_s.a[2] = 8'h42;
s3_lbl_s.a[0] = '1;
s3_lbl_s.a[0][0][2:3] = '0;
s3_lbl_s.b = '1;
s3_lbl_s.b[14:15] = '0;
end
always_comb assert(s3_lbl_s==80'hFC00_4200_0012_3400_FFFC);
struct packed {
bit [0:7] [0:1] [3:0] a;
bit [0:15] b; // filler for non-zero offset