[Atomics] Make Atomics.store a builtin using TF

src/compiler/arm64/code-generator-arm64.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/code-generator.h"
 
 #include "src/arm64/frames-arm64.h"
 #include "src/arm64/macro-assembler-arm64.h"
 #include "src/ast/scopes.h"
 #include "src/compiler/code-generator-impl.h"
@@ skipping 461 matching lines @@
     }                                                                       \
   } while (0)
 
 #define ASSEMBLE_ATOMIC_LOAD_INTEGER(asm_instr)                       \
   do {                                                                \
     __ asm_instr(i.OutputRegister(),                                  \
                  MemOperand(i.InputRegister(0), i.InputRegister(1))); \
     __ Dmb(InnerShareable, BarrierAll);                               \
   } while (0)
 
+#define ASSEMBLE_ATOMIC_STORE_INTEGER(asm_instr)                      \
+  do {                                                                \
+    __ Dmb(InnerShareable, BarrierAll);                               \
+    __ asm_instr(i.InputRegister(2),                                  \
+                 MemOperand(i.InputRegister(0), i.InputRegister(1))); \
+    __ Dmb(InnerShareable, BarrierAll);                               \
+  } while (0)
+
 void CodeGenerator::AssembleDeconstructFrame() {
   const CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
   if (descriptor->IsCFunctionCall() || descriptor->UseNativeStack()) {
     __ Mov(csp, fp);
   } else {
     __ Mov(jssp, fp);
   }
   __ Pop(fp, lr);
 }
 
@@ skipping 932 matching lines @@
       ASSEMBLE_ATOMIC_LOAD_INTEGER(Ldrsh);
       break;
     case kAtomicLoadUint16:
       ASSEMBLE_ATOMIC_LOAD_INTEGER(Ldrh);
       break;
     case kAtomicLoadWord32:
       __ Ldr(i.OutputRegister32(),
              MemOperand(i.InputRegister(0), i.InputRegister(1)));
       __ Dmb(InnerShareable, BarrierAll);
       break;
+    case kAtomicStoreWord8:
+      ASSEMBLE_ATOMIC_STORE_INTEGER(Strb);
+      break;
+    case kAtomicStoreWord16:
+      ASSEMBLE_ATOMIC_STORE_INTEGER(Strh);
+      break;
+    case kAtomicStoreWord32:
+      __ Dmb(InnerShareable, BarrierAll);
+      __ Str(i.InputRegister32(2),
+             MemOperand(i.InputRegister(0), i.InputRegister(1)));
+      __ Dmb(InnerShareable, BarrierAll);
+      break;
   }
   return kSuccess;
 }  // NOLINT(readability/fn_size)
 
 
 // Assemble branches after this instruction.
 void CodeGenerator::AssembleArchBranch(Instruction* instr, BranchInfo* branch) {
   Arm64OperandConverter i(this, instr);
   Label* tlabel = branch->true_label;
   Label* flabel = branch->false_label;
@@ skipping 416 matching lines @@
       padding_size -= kInstructionSize;
     }
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8