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Merge pull request #2005 from YosysHQ/claire/fix1990

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Add "nowrshmsk" attribute, fix shift-and-mask bit slice write for signed offset
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Claire Wolf 2020-05-07 18:11:48 +02:00 • committed by GitHub
commit 0610424940
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9 changed files with 142 additions and 19 deletions
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4
frontends/verilog/verilog_parser.y
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@ -645,13 +645,13 @@ non_opt_range:
} |
'[' expr TOK_POS_INDEXED expr ']' {
$$ = new AstNode(AST_RANGE);
AstNode *expr = new AstNode(AST_CONCAT, $2);
AstNode *expr = new AstNode(AST_SELFSZ, $2);
$$->children.push_back(new AstNode(AST_SUB, new AstNode(AST_ADD, expr->clone(), $4), AstNode::mkconst_int(1, true)));
$$->children.push_back(new AstNode(AST_ADD, expr, AstNode::mkconst_int(0, true)));
} |
'[' expr TOK_NEG_INDEXED expr ']' {
$$ = new AstNode(AST_RANGE);
AstNode *expr = new AstNode(AST_CONCAT, $2);
AstNode *expr = new AstNode(AST_SELFSZ, $2);
$$->children.push_back(new AstNode(AST_ADD, expr, AstNode::mkconst_int(0, true)));
$$->children.push_back(new AstNode(AST_SUB, new AstNode(AST_ADD, expr->clone(), AstNode::mkconst_int(1, true)), $4));
} |