diff options
author | whitequark <whitequark@whitequark.org> | 2020-12-22 01:31:25 +0000 |
---|---|---|
committer | GitHub <noreply@github.com> | 2020-12-22 01:31:25 +0000 |
commit | 3e67ab1ebb62a1cc69f2cb02546ae8b1cf838e07 (patch) | |
tree | 8be33088a759dd474cfc5f30ffdbacdc6782872f /frontends/ast | |
parent | df905709ca8bc2a92e8cef6855b53c5f032e491d (diff) | |
parent | 186d6df4c3e612667b1eb945ce3e27a92e2cb485 (diff) | |
download | yosys-3e67ab1ebb62a1cc69f2cb02546ae8b1cf838e07.tar.gz yosys-3e67ab1ebb62a1cc69f2cb02546ae8b1cf838e07.tar.bz2 yosys-3e67ab1ebb62a1cc69f2cb02546ae8b1cf838e07.zip |
Merge pull request #2479 from zachjs/const-arg-hint
Allow constant function calls in constant function arguments
Diffstat (limited to 'frontends/ast')
-rw-r--r-- | frontends/ast/simplify.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index fb6623f02..8e205cb76 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -1205,6 +1205,11 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage, current_block = this; current_block_child = children[i]; } + if (!in_param_here && type == AST_FCALL) { + bool recommend_const_eval = false; + bool require_const_eval = has_const_only_constructs(recommend_const_eval); + in_param_here = recommend_const_eval || require_const_eval; + } if ((type == AST_ALWAYS || type == AST_INITIAL) && children[i]->type == AST_BLOCK) current_top_block = children[i]; if (i == 0 && child_0_is_self_determined) |