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Support for packed multidimensional arrays within packed structs

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Dag Lem 2022-12-03 19:54:47 +01:00
parent a64ed824ed
commit f94eec952f
2 changed files with 139 additions and 99 deletions
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60
tests/svtypes/struct_array.sv
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@ -81,6 +81,66 @@ module top;
always_comb assert(s3_b==80'hFC00_4200_0012_3400_FFFC);
struct packed {
bit [0:7] [0:1] [0:3] a;
bit [0:15] b; // filler for non-zero offset
} s3_lll;
initial begin
s3_lll = '0;
s3_lll.a[5:6] = 16'h1234;
s3_lll.a[2] = 8'h42;
s3_lll.a[0] = '1;
s3_lll.a[0][1][2:3] = '0;
s3_lll.b = '1;
s3_lll.b[14:15] = '0;
end
always_comb assert(s3_lll==80'hFC00_4200_0012_3400_FFFC);
struct packed {
bit [0:7] [1:0] [0:3] a;
bit [0:15] b; // filler for non-zero offset
} s3_lbl;
initial begin
s3_lbl = '0;
s3_lbl.a[5:6] = 16'h1234;
s3_lbl.a[2] = 8'h42;
s3_lbl.a[0] = '1;
s3_lbl.a[0][0][2:3] = '0;
s3_lbl.b = '1;
s3_lbl.b[14:15] = '0;
end
always_comb assert(s3_lbl==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
} s3_llb;
initial begin
s3_llb = '0;
s3_llb.a[5:6] = 16'h1234;
s3_llb.a[2] = 8'h42;
s3_llb.a[0] = '1;
s3_llb.a[0][1][1:0] = '0;
s3_llb.b = '1;
s3_llb.b[14:15] = '0;
end
always_comb assert(s3_llb==80'hFC00_4200_0012_3400_FFFC);
`ifndef VERIFIC
// Note that the tests below for unpacked arrays in structs rely on the
// fact that they are actually packed in Yosys.