diff options
| -rw-r--r-- | frontends/ast/simplify.cc | 2 | ||||
| -rw-r--r-- | tests/simple/dynslice.v | 12 |
2 files changed, 13 insertions, 1 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index 10e9f2683..f801a17e0 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -1727,7 +1727,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage, } did_something = true; newNode = new AstNode(AST_CASE, shift_expr); - for (int i = 0; i <= source_width-result_width; i++) { + for (int i = 0; i < source_width; i++) { int start_bit = children[0]->id2ast->range_right + i; AstNode *cond = new AstNode(AST_COND, mkconst_int(start_bit, true)); AstNode *lvalue = children[0]->clone(); diff --git a/tests/simple/dynslice.v b/tests/simple/dynslice.v new file mode 100644 index 000000000..7236ac3a5 --- /dev/null +++ b/tests/simple/dynslice.v @@ -0,0 +1,12 @@ +module dynslice ( + input clk , + input [9:0] ctrl , + input [15:0] din , + input [3:0] sel , + output reg [127:0] dout +); +always @(posedge clk) +begin + dout[ctrl*sel+:16] <= din ; +end +endmodule |