Fix MT annotations

Signed-off-by: Bartłomiej Chmiel <bchmiel@antmicro.com>

Author: b-chmiel

src/V3Options.h

@@ -570,7 +570,7 @@ class V3Options final {
     bool stopFail() const { return m_stopFail; }
     int threads() const VL_MT_SAFE { return m_threads; }
     int threadsMaxMTasks() const { return m_threadsMaxMTasks; }
-    bool mtasks() const { return (m_threads > 1); }
+    bool mtasks() const VL_MT_SAFE { return (m_threads > 1); }
     VTimescale timeDefaultPrec() const { return m_timeDefaultPrec; }
     VTimescale timeDefaultUnit() const { return m_timeDefaultUnit; }
     VTimescale timeOverridePrec() const { return m_timeOverridePrec; }
@@ -693,7 +693,7 @@ class V3Options final {
     }
 
     bool hierarchical() const { return m_hierarchical; }
-    int hierChild() const { return m_hierChild; }
+    int hierChild() const VL_MT_SAFE { return m_hierChild; }
     bool hierTop() const VL_MT_SAFE { return !m_hierChild && !m_hierBlocks.empty(); }
     const V3HierBlockOptSet& hierBlocks() const { return m_hierBlocks; }
     // Directory to save .tree, .dot, .dat, .vpp for hierarchical block top

src/V3TSP.h

@@ -49,7 +49,7 @@ using StateVec = std::vector<const TspStateBase*>;
 
 // Given an unsorted set of TspState's, sort them to minimize
 // the transition cost for walking the sorted list.
-void tspSort(const StateVec& states, StateVec* resultp) VL_MT_DISABLED;
+void tspSort(const StateVec& states, StateVec* resultp) VL_MT_SAFE;
 
 void selfTest() VL_MT_DISABLED;
 }  // namespace V3TSP

src/V3VariableOrder.cpp

@@ -257,7 +257,8 @@ class VariableOrder final {
     }
 
 public:
-    static void processModule(AstNodeModule* modp, const MTaskAffinityMap& mTaskAffinity) {
+    static void processModule(AstNodeModule* modp,
+                              const MTaskAffinityMap& mTaskAffinity) VL_MT_STABLE {
         VariableOrder{modp, mTaskAffinity};
     }
 };