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-rw-r--r--frontends/ast/simplify.cc11
-rw-r--r--frontends/verilog/const2ast.cc10
-rw-r--r--frontends/verilog/verilog_lexer.l2
3 files changed, 13 insertions, 10 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index 52fcf3ee7..b1ee22f42 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -2895,8 +2895,15 @@ AstNode *AstNode::readmem(bool is_readmemh, std::string mem_filename, AstNode *m
void AstNode::expand_genblock(std::string index_var, std::string prefix, std::map<std::string, std::string> &name_map)
{
if (!index_var.empty() && type == AST_IDENTIFIER && str == index_var) {
- current_scope[index_var]->children[0]->cloneInto(this);
- return;
+ if (children.empty()) {
+ current_scope[index_var]->children[0]->cloneInto(this);
+ } else {
+ AstNode *p = new AstNode(AST_LOCALPARAM, current_scope[index_var]->children[0]->clone());
+ p->str = stringf("$genval$%d", autoidx++);
+ current_ast_mod->children.push_back(p);
+ str = p->str;
+ id2ast = p;
+ }
}
if ((type == AST_IDENTIFIER || type == AST_FCALL || type == AST_TCALL) && name_map.count(str) > 0)
diff --git a/frontends/verilog/const2ast.cc b/frontends/verilog/const2ast.cc
index 4bf5b1cf5..49281f7e7 100644
--- a/frontends/verilog/const2ast.cc
+++ b/frontends/verilog/const2ast.cc
@@ -85,10 +85,8 @@ static void my_strtobin(std::vector<RTLIL::State> &data, const char *str, int le
digits.push_back(10 + *str - 'A');
else if (*str == 'x' || *str == 'X')
digits.push_back(0xf0);
- else if (*str == 'z' || *str == 'Z')
+ else if (*str == 'z' || *str == 'Z' || *str == '?')
digits.push_back(0xf1);
- else if (*str == '?')
- digits.push_back(0xf2);
str++;
}
@@ -112,8 +110,6 @@ static void my_strtobin(std::vector<RTLIL::State> &data, const char *str, int le
data.push_back(case_type == 'x' ? RTLIL::Sa : RTLIL::Sx);
else if (*it == 0xf1)
data.push_back(case_type == 'x' || case_type == 'z' ? RTLIL::Sa : RTLIL::Sz);
- else if (*it == 0xf2)
- data.push_back(RTLIL::Sa);
else
data.push_back((*it & bitmask) ? State::S1 : State::S0);
}
@@ -199,13 +195,13 @@ AstNode *VERILOG_FRONTEND::const2ast(std::string code, char case_type, bool warn
if (str == endptr)
len_in_bits = -1;
- // The "<bits>'s?[bodhBODH]<digits>" syntax
+ // The "<bits>'[sS]?[bodhBODH]<digits>" syntax
if (*endptr == '\'')
{
std::vector<RTLIL::State> data;
bool is_signed = false;
bool is_unsized = len_in_bits < 0;
- if (*(endptr+1) == 's') {
+ if (*(endptr+1) == 's' || *(endptr+1) == 'S') {
is_signed = true;
endptr++;
}
diff --git a/frontends/verilog/verilog_lexer.l b/frontends/verilog/verilog_lexer.l
index 57e55b1f4..4acfb414d 100644
--- a/frontends/verilog/verilog_lexer.l
+++ b/frontends/verilog/verilog_lexer.l
@@ -239,7 +239,7 @@ YOSYS_NAMESPACE_END
return TOK_CONSTVAL;
}
-[0-9]*[ \t]*\'s?[bodhBODH]*[ \t\r\n]*[0-9a-fA-FzxZX?_]+ {
+[0-9]*[ \t]*\'[sS]?[bodhBODH]?[ \t\r\n]*[0-9a-fA-FzxZX?_]+ {
frontend_verilog_yylval.string = new std::string(yytext);
return TOK_CONSTVAL;
}