JavaScriptCore-584.tar.gz

[apple/javascriptcore.git] / bytecode / Instruction.h

diff --git a/bytecode/Instruction.h b/bytecode/Instruction.h
index 1fab106094d75c46304e2274660ce5bce77c57a1..bcef7fb196a9c48b543315f3c0e6c0d4e78e0237 100644 (file)
--- a/bytecode/Instruction.h
+++ b/bytecode/Instruction.h
@@ -29,30 +29,41 @@
 #ifndef Instruction_h
 #define Instruction_h
 
+#include "MacroAssembler.h"
 #include "Opcode.h"
 #include "Structure.h"
 #include <wtf/VectorTraits.h>
 
-#define POLYMORPHIC_LIST_CACHE_SIZE 4
+#define POLYMORPHIC_LIST_CACHE_SIZE 8
 
 namespace JSC {
 
+    // *Sigh*, If the JIT is enabled we need to track the stubRountine (of type CodeLocationLabel),
+    // If the JIT is not in use we don't actually need the variable (that said, if the JIT is not in use we don't
+    // curently actually use PolymorphicAccessStructureLists, which we should).  Anyway, this seems like the best
+    // solution for now - will need to something smarter if/when we actually want mixed-mode operation.
+#if ENABLE(JIT)
+    typedef CodeLocationLabel PolymorphicAccessStructureListStubRoutineType;
+#else
+    typedef void* PolymorphicAccessStructureListStubRoutineType;
+#endif
+
     class JSCell;
     class Structure;
     class StructureChain;
 
     // Structure used by op_get_by_id_self_list and op_get_by_id_proto_list instruction to hold data off the main opcode stream.
-    struct PolymorphicAccessStructureList {
+    struct PolymorphicAccessStructureList : FastAllocBase {
         struct PolymorphicStubInfo {
             bool isChain;
-            void* stubRoutine;
+            PolymorphicAccessStructureListStubRoutineType stubRoutine;
             Structure* base;
             union {
                 Structure* proto;
                 StructureChain* chain;
             } u;
 
-            void set(void* _stubRoutine, Structure* _base)
+            void set(PolymorphicAccessStructureListStubRoutineType _stubRoutine, Structure* _base)
             {
                 stubRoutine = _stubRoutine;
                 base = _base;
@@ -60,7 +71,7 @@ namespace JSC {
                 isChain = false;
             }
             
-            void set(void* _stubRoutine, Structure* _base, Structure* _proto)
+            void set(PolymorphicAccessStructureListStubRoutineType _stubRoutine, Structure* _base, Structure* _proto)
             {
                 stubRoutine = _stubRoutine;
                 base = _base;
@@ -68,7 +79,7 @@ namespace JSC {
                 isChain = false;
             }
             
-            void set(void* _stubRoutine, Structure* _base, StructureChain* _chain)
+            void set(PolymorphicAccessStructureListStubRoutineType _stubRoutine, Structure* _base, StructureChain* _chain)
             {
                 stubRoutine = _stubRoutine;
                 base = _base;
@@ -77,17 +88,17 @@ namespace JSC {
             }
         } list[POLYMORPHIC_LIST_CACHE_SIZE];
         
-        PolymorphicAccessStructureList(void* stubRoutine, Structure* firstBase)
+        PolymorphicAccessStructureList(PolymorphicAccessStructureListStubRoutineType stubRoutine, Structure* firstBase)
         {
             list[0].set(stubRoutine, firstBase);
         }
 
-        PolymorphicAccessStructureList(void* stubRoutine, Structure* firstBase, Structure* firstProto)
+        PolymorphicAccessStructureList(PolymorphicAccessStructureListStubRoutineType stubRoutine, Structure* firstBase, Structure* firstProto)
         {
             list[0].set(stubRoutine, firstBase, firstProto);
         }
 
-        PolymorphicAccessStructureList(void* stubRoutine, Structure* firstBase, StructureChain* firstChain)
+        PolymorphicAccessStructureList(PolymorphicAccessStructureListStubRoutineType stubRoutine, Structure* firstBase, StructureChain* firstChain)
         {
             list[0].set(stubRoutine, firstBase, firstChain);
         }