src/hotspot/cpu/aarch64/gc/shared/barrierSetAssembler_aarch64.cpp

rev 50098 : 8202714: Create a MacroAssembler::access_load/store_at wrapper for AArch64
rev 50099 : imported patch JDK-8203157.patch
rev 50100 : 8203172: Primitive heap access for interpreter BarrierSetAssembler/aarch64

@@ -54,10 +54,19 @@
       assert(on_root, "why else?");
       __ ldr(dst, src);
     }
     break;
   }
+  case T_BOOLEAN: __ load_unsigned_byte (dst, src); break;
+  case T_BYTE:    __ load_signed_byte   (dst, src); break;
+  case T_CHAR:    __ load_unsigned_short(dst, src); break;
+  case T_SHORT:   __ load_signed_short  (dst, src); break;
+  case T_INT:     __ ldrw               (dst, src); break;
+  case T_LONG:    __ ldr                (dst, src); break;
+  case T_ADDRESS: __ ldr                (dst, src); break;
+  case T_FLOAT:   __ ldrs               (v0, src);  break;
+  case T_DOUBLE:  __ ldrd               (v0, src);  break;
   default: Unimplemented();
   }
 }
 
 void BarrierSetAssembler::store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,

@@ -82,10 +91,22 @@
       assert(on_root, "why else?");
       __ str(val, dst);
     }
     break;
   }
+  case T_BOOLEAN:
+    __ andw(val, val, 0x1);  // boolean is true if LSB is 1
+    __ strb(val, dst);
+    break;
+  case T_BYTE:    __ strb(val, dst); break;
+  case T_CHAR:    __ strh(val, dst); break;
+  case T_SHORT:   __ strh(val, dst); break;
+  case T_INT:     __ strw(val, dst); break;
+  case T_LONG:    __ str (val, dst); break;
+  case T_ADDRESS: __ str (val, dst); break;
+  case T_FLOAT:   __ strs(v0,  dst); break;
+  case T_DOUBLE:  __ strd(v0,  dst); break;
   default: Unimplemented();
   }
 }
 
 void BarrierSetAssembler::obj_equals(MacroAssembler* masm, DecoratorSet decorators,