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-rw-r--r--frontends/ast/simplify.cc10
1 files changed, 8 insertions, 2 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index e588df92..76c9d5c5 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -174,7 +174,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
}
// deactivate all calls to non-synthesis system tasks
- if ((type == AST_FCALL || type == AST_TCALL) && (str == "$display" || str == "$strobe" || str == "$monitor" || str == "$time" || str == "$stop" || str == "$finish" ||
+ if ((type == AST_FCALL || type == AST_TCALL) && (str == "$display" || str == "$strobe" || str == "$monitor" || str == "$time" || str == "$stop" ||
str == "$dumpfile" || str == "$dumpvars" || str == "$dumpon" || str == "$dumpoff" || str == "$dumpall")) {
log_warning("Ignoring call to system %s %s at %s:%d.\n", type == AST_FCALL ? "function" : "task", str.c_str(), filename.c_str(), linenum);
delete_children();
@@ -1569,7 +1569,13 @@ skip_dynamic_range_lvalue_expansion:;
if (current_scope.count(str) == 0 || current_scope[str]->type != AST_FUNCTION)
log_error("Can't resolve function name `%s' at %s:%d.\n", str.c_str(), filename.c_str(), linenum);
}
- if (type == AST_TCALL) {
+ if (type == AST_TCALL)
+ {
+ if (str == "$finish")
+ {
+ log_error("System task `$finish() executed in `%s' at %s:%d.\n", str.c_str(), filename.c_str(), linenum);
+ }
+
if (str == "\\$readmemh" || str == "\\$readmemb")
{
if (GetSize(children) < 2 || GetSize(children) > 4)