[wasm] Separate compilation from instantiation

src/arm64/assembler-arm64.cc

Index: src/arm64/assembler-arm64.cc
diff --git a/src/arm64/assembler-arm64.cc b/src/arm64/assembler-arm64.cc
index 89219ec274b746d4774edb2285648e0a8be21556..49e8c3921dbd087452c957a59c3389d81f719e8f 100644
--- a/src/arm64/assembler-arm64.cc
+++ b/src/arm64/assembler-arm64.cc
@@ -194,41 +194,14 @@ Address RelocInfo::wasm_global_reference() {
   return Memory::Address_at(Assembler::target_pointer_address_at(pc_));
 }
 
-void RelocInfo::update_wasm_memory_reference(
-    Address old_base, Address new_base, uint32_t old_size, uint32_t new_size,
-    ICacheFlushMode icache_flush_mode) {
-  DCHECK(IsWasmMemoryReference(rmode_) || IsWasmMemorySizeReference(rmode_));
-  if (IsWasmMemoryReference(rmode_) && old_base != new_base) {
-    Address updated_memory_reference;
-    DCHECK(old_base <= wasm_memory_reference() &&
-           wasm_memory_reference() < old_base + old_size);
-    updated_memory_reference = new_base + (wasm_memory_reference() - old_base);
-    DCHECK(new_base <= updated_memory_reference &&
-           updated_memory_reference < new_base + new_size);
-    Assembler::set_target_address_at(
-        isolate_, pc_, host_, updated_memory_reference, icache_flush_mode);
-  } else if (IsWasmMemorySizeReference(rmode_)) {
-    uint32_t updated_size_reference;
-    DCHECK(wasm_memory_size_reference() <= old_size);
-    updated_size_reference =
-        new_size + (wasm_memory_size_reference() - old_size);
-    DCHECK(updated_size_reference <= new_size);
-    Memory::uint32_at(Assembler::target_pointer_address_at(pc_)) =
-        updated_size_reference;
-  } else {
-    UNREACHABLE();
-  }
+void RelocInfo::unchecked_update_wasm_memory_reference(
+    Address address, ICacheFlushMode flush_mode) {
+  Assembler::set_target_address_at(isolate_, pc_, host_, address, flush_mode);
 }
 
-void RelocInfo::update_wasm_global_reference(
-    Address old_base, Address new_base, ICacheFlushMode icache_flush_mode) {
-  DCHECK(IsWasmGlobalReference(rmode_));
-  Address updated_reference;
-  DCHECK(old_base <= wasm_global_reference());
-  updated_reference = new_base + (wasm_global_reference() - old_base);
-  DCHECK(new_base <= updated_reference);
-  Assembler::set_target_address_at(isolate_, pc_, host_, updated_reference,
-                                   icache_flush_mode);
+void RelocInfo::unchecked_update_wasm_memory_size(uint32_t size,
+                                                  ICacheFlushMode flush_mode) {
+  Memory::uint32_at(Assembler::target_pointer_address_at(pc_)) = size;
 }
 
 Register GetAllocatableRegisterThatIsNotOneOf(Register reg1, Register reg2,