Add new relocation type WASM_MEMORY_SIZE_REFERENCE, use relocatable pointers to update wasm memory …

src/compiler/instruction.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/common-operator.h"
 #include "src/compiler/graph.h"
 #include "src/compiler/instruction.h"
 #include "src/compiler/schedule.h"
 #include "src/compiler/state-values-utils.h"
 
@@ skipping 486 matching lines @@
       printable_op.op_ = *instr.InputAt(i);
       os << " " << printable_op;
     }
   }
   return os;
 }
 
 
 Constant::Constant(int32_t v) : type_(kInt32), value_(v) {}
 
-Constant::Constant(RelocatablePtrConstantInfo info)
-#ifdef V8_HOST_ARCH_32_BIT
-    : type_(kInt32), value_(info.value()), rmode_(info.rmode()) {
+Constant::Constant(RelocatablePtrConstantInfo info) {
+  if (info.type() == RelocatablePtrConstantInfo::kInt32) {
+    type_ = kInt32;
+  } else if (info.type() == RelocatablePtrConstantInfo::kInt64) {
+    type_ = kInt64;
+  } else {
+    UNREACHABLE();
+  }
+  value_ = info.value();
+  rmode_ = info.rmode();
 }
-#else
-    : type_(kInt64), value_(info.value()), rmode_(info.rmode()) {
-}
-#endif
 
 Handle<HeapObject> Constant::ToHeapObject() const {
   DCHECK_EQ(kHeapObject, type());
   Handle<HeapObject> value(
       bit_cast<HeapObject**>(static_cast<intptr_t>(value_)));
   if (value->IsConsString()) {
     value = String::Flatten(Handle<String>::cast(value), TENURED);
   }
   return value;
 }
@@ skipping 498 matching lines @@
   }
   for (int i = 0; i < code.InstructionBlockCount(); i++) {
     printable.sequence_->PrintBlock(printable.register_configuration_, i);
   }
   return os;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8