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| author | Clifford Wolf <clifford@clifford.at> | 2013-06-13 11:18:45 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2013-06-13 11:18:45 +0200 |
| commit | 0c6ffc4c656de69c92727580cd4c192211d10e6d (patch) | |
| tree | 9ad133c4d71f687f1046692e1a80481d3d114a89 /frontends/verilog/parser.y | |
| parent | b1d39aa8656f8440eb748fbc7b5673d2129a2308 (diff) | |
| download | yosys-0c6ffc4c656de69c92727580cd4c192211d10e6d.tar.gz yosys-0c6ffc4c656de69c92727580cd4c192211d10e6d.tar.bz2 yosys-0c6ffc4c656de69c92727580cd4c192211d10e6d.zip | |
More fixes for bugs found using xsthammer
Diffstat (limited to 'frontends/verilog/parser.y')
| -rw-r--r-- | frontends/verilog/parser.y | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/frontends/verilog/parser.y b/frontends/verilog/parser.y index ea39e83d4..68ac26bf9 100644 --- a/frontends/verilog/parser.y +++ b/frontends/verilog/parser.y @@ -113,9 +113,9 @@ static void free_attr(std::map<std::string, AstNode*> *al) // operator precedence from low to high %left OP_LOR %left OP_LAND -%left '|' +%left '|' OP_NOR %left '^' OP_XNOR -%left '&' +%left '&' OP_NAND %left OP_EQ OP_NE %left '<' OP_LE OP_GE '>' %left OP_SHL OP_SHR OP_SSHL OP_SSHR @@ -982,10 +982,20 @@ basic_expr: $$ = new AstNode(AST_REDUCE_AND, $3); append_attr($$, $2); } | + OP_NAND attr basic_expr %prec UNARY_OPS { + $$ = new AstNode(AST_REDUCE_AND, $3); + append_attr($$, $2); + $$ = new AstNode(AST_LOGIC_NOT, $$); + } | '|' attr basic_expr %prec UNARY_OPS { $$ = new AstNode(AST_REDUCE_OR, $3); append_attr($$, $2); } | + OP_NOR attr basic_expr %prec UNARY_OPS { + $$ = new AstNode(AST_REDUCE_OR, $3); + append_attr($$, $2); + $$ = new AstNode(AST_LOGIC_NOT, $$); + } | '^' attr basic_expr %prec UNARY_OPS { $$ = new AstNode(AST_REDUCE_XOR, $3); append_attr($$, $2); |