mirror of https://github.com/YosysHQ/yosys.git
Merge pull request #1848 from YosysHQ/eddie/fix_dynslice
ast: simplify to fully populate dynamic slicing case transformation
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commit
926a010b49
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@ -1727,7 +1727,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
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}
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did_something = true;
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newNode = new AstNode(AST_CASE, shift_expr);
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for (int i = 0; i <= source_width-result_width; i++) {
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for (int i = 0; i < source_width; i++) {
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int start_bit = children[0]->id2ast->range_right + i;
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AstNode *cond = new AstNode(AST_COND, mkconst_int(start_bit, true));
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AstNode *lvalue = children[0]->clone();
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@ -0,0 +1,12 @@
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module dynslice (
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input clk ,
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input [9:0] ctrl ,
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input [15:0] din ,
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input [3:0] sel ,
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output reg [127:0] dout
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);
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always @(posedge clk)
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begin
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dout[ctrl*sel+:16] <= din ;
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end
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endmodule
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