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Merge pull request #2594 from zachjs/func-arg-width

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verilog: fix sizing of constant args for tasks/functions
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whitequark 2021-02-23 21:46:16 +00:00 • committed by GitHub
commit ad2960adb7
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10 changed files with 124 additions and 47 deletions
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8
frontends/ast/ast.h
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@ -263,7 +263,13 @@ namespace AST
bool detect_latch(const std::string &var);
// additional functionality for evaluating constant functions
struct varinfo_t { RTLIL::Const val; int offset; bool is_signed; };
struct varinfo_t {
RTLIL::Const val;
int offset;
bool is_signed;
AstNode *arg = nullptr;
bool explicitly_sized;
};
bool has_const_only_constructs();
bool replace_variables(std::map<std::string, varinfo_t> &variables, AstNode *fcall, bool must_succeed);
AstNode *eval_const_function(AstNode *fcall, bool must_succeed);