Mario1159/verilator
1
0
Fork 0
forked from github/verilator
Code Pull Requests Releases 1 Activity

Support unpacked array .sum and .product.

Browse Source
This commit is contained in:
Wilson Snyder 2020-05-10 12:48:33 -04:00
parent feb1e2bd48
commit 070bcddf5a
3 changed files with 18 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Changes
View File

@ -7,6 +7,8 @@ The contributors that suggested a given feature are shown in []. Thanks!
**** Support $isunbounded and parameter $. (#2104)
**** Support unpacked array .sum and .product.
**** Fix FST tracing of little bit endian signals. [Geza Lore]
**** Fix +: and -: on unpacked arrays. (#2304) [engr248]

9
src/V3Width.cpp
View File

@ -1944,6 +1944,7 @@ private:
}
} else if (VN_IS(fromDtp, EnumDType) //
|| VN_IS(fromDtp, AssocArrayDType) //
|| VN_IS(fromDtp, UnpackArrayDType) //
|| VN_IS(fromDtp, DynArrayDType) //
|| VN_IS(fromDtp, QueueDType) //
|| VN_IS(fromDtp, BasicDType)) {
@ -2420,7 +2421,7 @@ private:
nodep->dtypeSetSigned32(); // Guess on error
}
void methodCallUnpack(AstMethodCall* nodep, AstUnpackArrayDType* adtypep) {
enum { UNKNOWN = 0, ARRAY_OR, ARRAY_AND, ARRAY_XOR } methodId;
enum { UNKNOWN = 0, ARRAY_OR, ARRAY_AND, ARRAY_XOR, ARRAY_SUM, ARRAY_PRODUCT } methodId;
methodId = UNKNOWN;
if (nodep->name() == "or") {
@ -2429,6 +2430,10 @@ private:
methodId = ARRAY_AND;
} else if (nodep->name() == "xor") {
methodId = ARRAY_XOR;
} else if (nodep->name() == "sum") {
methodId = ARRAY_SUM;
} else if (nodep->name() == "product") {
methodId = ARRAY_PRODUCT;
}
if (methodId) {
@ -2445,6 +2450,8 @@ private:
case ARRAY_OR: newp = new AstOr(fl, newp, selector); break;
case ARRAY_AND: newp = new AstAnd(fl, newp, selector); break;
case ARRAY_XOR: newp = new AstXor(fl, newp, selector); break;
case ARRAY_SUM: newp = new AstAdd(fl, newp, selector); break;
case ARRAY_PRODUCT: newp = new AstMul(fl, newp, selector); break;
default: nodep->v3fatalSrc("bad case");
}
}

14
test_regress/t/t_array_type_methods.v
View File

@ -13,14 +13,16 @@ module t (/*AUTOARG*/
);
input clk;
logic [2:0] foo [1:0];
logic [3:0] foo [1:0];
initial begin
foo[0] = 3'b101;
foo[1] = 3'b011;
foo[0] = 4'b0101;
foo[1] = 4'b0011;
`checkh(foo.or, 3'b111);
`checkh(foo.and, 3'b001);
`checkh(foo.xor, 3'b110);
`checkh(foo.or, 4'b0111);
`checkh(foo.and, 4'b0001);
`checkh(foo.xor, 4'b0110);
`checkh(foo.sum, 4'b1000);
`checkh(foo.product, 4'b1111);
$write("*-* All Finished *-*\n");
$finish;