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authorClifford Wolf <clifford@clifford.at>2017-02-25 10:36:39 +0100
committerClifford Wolf <clifford@clifford.at>2017-02-25 10:36:39 +0100
commit5f1d0b1024981b6ede2988bf8c5812b37c87d0e9 (patch)
tree75e48829241c9c65b5c9c7a34cc21048285ea48b /frontends/ast
parent7af9727f78263d2fc41178396791f51a680acdfa (diff)
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Add $live and $fair cell types, add support for s_eventually keyword
Diffstat (limited to 'frontends/ast')
-rw-r--r--frontends/ast/ast.cc2
-rw-r--r--frontends/ast/ast.h2
-rw-r--r--frontends/ast/genrtlil.cc7
-rw-r--r--frontends/ast/simplify.cc4
4 files changed, 12 insertions, 3 deletions
diff --git a/frontends/ast/ast.cc b/frontends/ast/ast.cc
index 06660102b..482acd364 100644
--- a/frontends/ast/ast.cc
+++ b/frontends/ast/ast.cc
@@ -84,6 +84,8 @@ std::string AST::type2str(AstNodeType type)
X(AST_PREFIX)
X(AST_ASSERT)
X(AST_ASSUME)
+ X(AST_LIVE)
+ X(AST_FAIR)
X(AST_COVER)
X(AST_FCALL)
X(AST_TO_BITS)
diff --git a/frontends/ast/ast.h b/frontends/ast/ast.h
index 0b9116d39..bddda9667 100644
--- a/frontends/ast/ast.h
+++ b/frontends/ast/ast.h
@@ -65,6 +65,8 @@ namespace AST
AST_PREFIX,
AST_ASSERT,
AST_ASSUME,
+ AST_LIVE,
+ AST_FAIR,
AST_COVER,
AST_FCALL,
diff --git a/frontends/ast/genrtlil.cc b/frontends/ast/genrtlil.cc
index bdac4de00..78e83e038 100644
--- a/frontends/ast/genrtlil.cc
+++ b/frontends/ast/genrtlil.cc
@@ -1336,10 +1336,15 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint)
// generate $assert cells
case AST_ASSERT:
case AST_ASSUME:
+ case AST_LIVE:
+ case AST_FAIR:
case AST_COVER:
{
- const char *celltype = "$assert";
+ const char *celltype = nullptr;
+ if (type == AST_ASSERT) celltype = "$assert";
if (type == AST_ASSUME) celltype = "$assume";
+ if (type == AST_LIVE) celltype = "$live";
+ if (type == AST_FAIR) celltype = "$fair";
if (type == AST_COVER) celltype = "$cover";
log_assert(children.size() == 2);
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index f7fcbc479..28c9945ab 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -1400,7 +1400,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
}
skip_dynamic_range_lvalue_expansion:;
- if (stage > 1 && (type == AST_ASSERT || type == AST_ASSUME || type == AST_COVER) && current_block != NULL)
+ if (stage > 1 && (type == AST_ASSERT || type == AST_ASSUME || type == AST_LIVE || type == AST_FAIR || type == AST_COVER) && current_block != NULL)
{
std::stringstream sstr;
sstr << "$formal$" << filename << ":" << linenum << "$" << (autoidx++);
@@ -1462,7 +1462,7 @@ skip_dynamic_range_lvalue_expansion:;
goto apply_newNode;
}
- if (stage > 1 && (type == AST_ASSERT || type == AST_ASSUME || type == AST_COVER) && children.size() == 1)
+ if (stage > 1 && (type == AST_ASSERT || type == AST_ASSUME || type == AST_LIVE || type == AST_FAIR || type == AST_COVER) && children.size() == 1)
{
children.push_back(mkconst_int(1, false, 1));
did_something = true;