deps: V8: cherry-pick 52eeb9d5a1f1

Original commit message:

    Fix Code accessors on big endian platforms

    https://crrev.com/c/4341976 has changed data size of
    Code::kFlags to 32 bits and Code::kKindSpecificFlags to 16 bits.

    Memory accessors need to be adjusted accordingly on big endian
    platforms.

    Bug: v8:13784
    Change-Id: I0edbefedd74d65c974117acae6f37aa6cb1634ff
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4366778
    Commit-Queue: Milad Farazmand <[email protected]>
    Reviewed-by: Junliang Yan <[email protected]>
    Reviewed-by: Clemens Backes <[email protected]>
    Cr-Commit-Position: refs/heads/main@{#86686}

Refs: v8/v8@52eeb9d

Author: targos

common.gypi

@@ -36,7 +36,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.3',
+    'v8_embedder_string': '-node.4',
 
     ##### V8 defaults for Node.js #####
 

deps/v8/src/builtins/ppc/builtins-ppc.cc

@@ -39,7 +39,7 @@ static void AssertCodeIsBaseline(MacroAssembler* masm, Register code,
                                  Register scratch) {
   DCHECK(!AreAliased(code, scratch));
   // Verify that the code kind is baseline code via the CodeKind.
-  __ LoadU16(scratch, FieldMemOperand(code, Code::kFlagsOffset));
+  __ LoadU32(scratch, FieldMemOperand(code, Code::kFlagsOffset));
   __ DecodeField<Code::KindField>(scratch);
   __ CmpS64(scratch, Operand(static_cast<int>(CodeKind::BASELINE)), r0);
   __ Assert(eq, AbortReason::kExpectedBaselineData);

deps/v8/src/builtins/s390/builtins-s390.cc

@@ -40,7 +40,7 @@ static void AssertCodeIsBaseline(MacroAssembler* masm, Register code,
                                  Register scratch) {
   DCHECK(!AreAliased(code, scratch));
   // Verify that the code kind is baseline code via the CodeKind.
-  __ LoadU16(scratch, FieldMemOperand(code, Code::kFlagsOffset));
+  __ LoadU32(scratch, FieldMemOperand(code, Code::kFlagsOffset));
   __ DecodeField<Code::KindField>(scratch);
   __ CmpS64(scratch, Operand(static_cast<int>(CodeKind::BASELINE)));
   __ Assert(eq, AbortReason::kExpectedBaselineData);

deps/v8/src/codegen/code-stub-assembler.cc

@@ -3173,7 +3173,7 @@ TNode<BytecodeArray> CodeStubAssembler::LoadSharedFunctionInfoBytecodeArray(
     TNode<Code> code = CAST(var_result.value());
 #ifdef DEBUG
     TNode<Int32T> code_flags =
-        LoadObjectField<Int16T>(code, Code::kFlagsOffset);
+        LoadObjectField<Int32T>(code, Code::kFlagsOffset);
     CSA_DCHECK(
         this, Word32Equal(DecodeWord32<Code::KindField>(code_flags),
                           Int32Constant(static_cast<int>(CodeKind::BASELINE))));

deps/v8/src/codegen/ppc/macro-assembler-ppc.cc

@@ -365,7 +365,7 @@ void MacroAssembler::Drop(Register count, Register scratch) {
 void MacroAssembler::TestCodeIsMarkedForDeoptimization(Register code,
                                                        Register scratch1,
                                                        Register scratch2) {
-  LoadS32(scratch1, FieldMemOperand(code, Code::kKindSpecificFlagsOffset),
+  LoadU16(scratch1, FieldMemOperand(code, Code::kKindSpecificFlagsOffset),
           scratch2);
   TestBit(scratch1, Code::kMarkedForDeoptimizationBit, scratch2);
 }

deps/v8/src/codegen/s390/macro-assembler-s390.cc

@@ -558,7 +558,7 @@ void MacroAssembler::Drop(Register count, Register scratch) {
 
 void MacroAssembler::TestCodeIsMarkedForDeoptimization(Register code,
                                                        Register scratch) {
-  LoadS32(scratch, FieldMemOperand(code, Code::kKindSpecificFlagsOffset));
+  LoadU16(scratch, FieldMemOperand(code, Code::kKindSpecificFlagsOffset));
   TestBit(scratch, Code::kMarkedForDeoptimizationBit, scratch);
 }
 

deps/v8/src/compiler/backend/ppc/code-generator-ppc.cc

@@ -800,7 +800,7 @@ void CodeGenerator::BailoutIfDeoptimized() {
   int offset = InstructionStream::kCodeOffset - InstructionStream::kHeaderSize;
   __ LoadTaggedField(r11, MemOperand(kJavaScriptCallCodeStartRegister, offset),
                      r0);
-  __ LoadS32(r11, FieldMemOperand(r11, Code::kKindSpecificFlagsOffset), r0);
+  __ LoadU16(r11, FieldMemOperand(r11, Code::kKindSpecificFlagsOffset), r0);
   __ TestBit(r11, Code::kMarkedForDeoptimizationBit);
   __ Jump(BUILTIN_CODE(isolate(), CompileLazyDeoptimizedCode),
           RelocInfo::CODE_TARGET, ne, cr0);

deps/v8/src/compiler/backend/s390/code-generator-s390.cc

@@ -1138,7 +1138,7 @@ void CodeGenerator::BailoutIfDeoptimized() {
   int offset = InstructionStream::kCodeOffset - InstructionStream::kHeaderSize;
   __ LoadTaggedField(ip, MemOperand(kJavaScriptCallCodeStartRegister, offset),
                      r0);
-  __ LoadS32(ip, FieldMemOperand(ip, Code::kKindSpecificFlagsOffset));
+  __ LoadU16(ip, FieldMemOperand(ip, Code::kKindSpecificFlagsOffset));
   __ TestBit(ip, Code::kMarkedForDeoptimizationBit);
   __ Jump(BUILTIN_CODE(isolate(), CompileLazyDeoptimizedCode),
           RelocInfo::CODE_TARGET, ne);

deps/v8/src/objects/code-inl.h

@@ -1006,7 +1006,6 @@ void Code::initialize_flags(CodeKind kind, Builtin builtin_id,
                    StackSlotsField::encode(stack_slots);
   static_assert(FIELD_SIZE(kFlagsOffset) == kInt32Size);
   RELAXED_WRITE_UINT32_FIELD(*this, kFlagsOffset, value);
-  set_flags(value, kRelaxedStore);
   DCHECK_IMPLIES(stack_slots != 0, uses_safepoint_table());
   DCHECK_IMPLIES(!uses_safepoint_table(), stack_slots == 0);