8335532: [JVMCI] Export VM_Version::L1_line_size in JVMCI

Reviewed-by: dnsimon

Author: Yudi Zheng

src/hotspot/share/jvmci/jvmciCompilerToVM.hpp

@@ -108,6 +108,10 @@ class CompilerToVM {
     static int sizeof_ZStoreBarrierEntry;
 #endif
 
+#ifdef X86
+    static int L1_line_size;
+#endif
+
     static address dsin;
     static address dcos;
     static address dtan;

src/hotspot/share/jvmci/jvmciCompilerToVMInit.cpp

@@ -114,6 +114,10 @@ int CompilerToVM::Data::_fields_annotations_base_offset;
 CardTable::CardValue* CompilerToVM::Data::cardtable_start_address;
 int CompilerToVM::Data::cardtable_shift;
 
+#ifdef X86
+int CompilerToVM::Data::L1_line_size;
+#endif
+
 size_t CompilerToVM::Data::vm_page_size;
 
 int CompilerToVM::Data::sizeof_vtableEntry = sizeof(vtableEntry);
@@ -240,6 +244,10 @@ void CompilerToVM::Data::initialize(JVMCI_TRAPS) {
     cardtable_shift = 0;
   }
 
+#ifdef X86
+  L1_line_size = VM_Version::L1_line_size();
+#endif
+
   vm_page_size = os::vm_page_size();
 
 #define SET_TRIGFUNC(name)                                      \

src/hotspot/share/jvmci/vmStructs_jvmci.cpp

@@ -112,6 +112,8 @@
   static_field(CompilerToVM::Data,             cardtable_start_address,                CardTable::CardValue*)                        \
   static_field(CompilerToVM::Data,             cardtable_shift,                        int)                                          \
                                                                                                                                      \
+  X86_ONLY(static_field(CompilerToVM::Data,    L1_line_size,                           int))                                         \
+                                                                                                                                     \
   static_field(CompilerToVM::Data,             vm_page_size,                           size_t)                                       \
                                                                                                                                      \
   static_field(CompilerToVM::Data,             sizeof_vtableEntry,                     int)                                          \