Make NextCodeLink pointer 8-byte aligned after GC pointer updating uses atomics.

src/mips64/macro-assembler-mips64.cc

 // Copyright 2012 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 <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_MIPS64
 
@@ skipping 3073 matching lines @@
   Daddu(sp, sp, Operand(StackHandlerConstants::kSize - kPointerSize));
   li(at, Operand(ExternalReference(Isolate::kHandlerAddress, isolate())));
   sd(a1, MemOperand(at));
 }
 
 
 void MacroAssembler::JumpToHandlerEntry() {
   // Compute the handler entry address and jump to it.  The handler table is
   // a fixed array of (smi-tagged) code offsets.
   // v0 = exception, a1 = code object, a2 = state.
-  Uld(a3, FieldMemOperand(a1, Code::kHandlerTableOffset));
+  ld(a3, FieldMemOperand(a1, Code::kHandlerTableOffset));
   Daddu(a3, a3, Operand(FixedArray::kHeaderSize - kHeapObjectTag));
   dsrl(a2, a2, StackHandler::kKindWidth);  // Handler index.
   dsll(a2, a2, kPointerSizeLog2);
   Daddu(a2, a3, a2);
   ld(a2, MemOperand(a2));  // Smi-tagged offset.
   Daddu(a1, a1, Operand(Code::kHeaderSize - kHeapObjectTag));  // Code start.
   dsra32(t9, a2, 0);
   Daddu(t9, t9, a1);
   Jump(t9);  // Jump.
 }
@@ skipping 2982 matching lines @@
   }
   if (mag.shift > 0) sra(result, result, mag.shift);
   srl(at, dividend, 31);
   Addu(result, result, Operand(at));
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS64