X87: [wasm] Separate compilation from instantiation.

src/x87/assembler-x87.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 98 matching lines @@
 Address RelocInfo::wasm_global_reference() {
   DCHECK(IsWasmGlobalReference(rmode_));
   return Memory::Address_at(pc_);
 }
 
 uint32_t RelocInfo::wasm_memory_size_reference() {
   DCHECK(IsWasmMemorySizeReference(rmode_));
   return Memory::uint32_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_)) {
-    Address updated_reference;
-    DCHECK(old_base <= wasm_memory_reference() &&
-           wasm_memory_reference() < old_base + old_size);
-    updated_reference = new_base + (wasm_memory_reference() - old_base);
-    DCHECK(new_base <= updated_reference &&
-           updated_reference < new_base + new_size);
-    Memory::Address_at(pc_) = updated_reference;
-  } 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(pc_) = updated_size_reference;
-  } else {
-    UNREACHABLE();
-  }
-  if (icache_flush_mode != SKIP_ICACHE_FLUSH) {
-    Assembler::FlushICache(isolate_, pc_, sizeof(int32_t));
-  }
+void RelocInfo::unchecked_update_wasm_memory_reference(
+    Address address, ICacheFlushMode flush_mode) {
+  Memory::Address_at(pc_) = address;
 }
 
-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);
-  Memory::Address_at(pc_) = updated_reference;
-  if (icache_flush_mode != SKIP_ICACHE_FLUSH) {
-    Assembler::FlushICache(isolate_, pc_, sizeof(int32_t));
-  }
+void RelocInfo::unchecked_update_wasm_memory_size(uint32_t size,
+                                                  ICacheFlushMode flush_mode) {
+  Memory::uint32_at(pc_) = size;
 }
 
 // -----------------------------------------------------------------------------
 // Implementation of Operand
 
 Operand::Operand(Register base, int32_t disp, RelocInfo::Mode rmode) {
   // [base + disp/r]
   if (disp == 0 && RelocInfo::IsNone(rmode) && !base.is(ebp)) {
     // [base]
     set_modrm(0, base);
@@ skipping 2096 matching lines @@
     fflush(coverage_log);
   }
 }
 
 #endif
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87