Added a Isolate* parameter to Serializer::enabled().

src/ia32/lithium-codegen-ia32.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 "v8.h"
 
 #if V8_TARGET_ARCH_IA32
 
 #include "ia32/lithium-codegen-ia32.h"
 #include "ic.h"
 #include "code-stubs.h"
 #include "deoptimizer.h"
 #include "stub-cache.h"
 #include "codegen.h"
 #include "hydrogen-osr.h"
 
 namespace v8 {
 namespace internal {
 
 
-static SaveFPRegsMode GetSaveFPRegsMode() {
+static SaveFPRegsMode GetSaveFPRegsMode(Isolate* isolate) {
   // We don't need to save floating point regs when generating the snapshot
-  return CpuFeatures::IsSafeForSnapshot(SSE2) ? kSaveFPRegs : kDontSaveFPRegs;
+  return CpuFeatures::IsSafeForSnapshot(isolate, SSE2) ? kSaveFPRegs
+                                                       : kDontSaveFPRegs;
 }
 
 
 // When invoking builtins, we need to record the safepoint in the middle of
 // the invoke instruction sequence generated by the macro assembler.
 class SafepointGenerator V8_FINAL : public CallWrapper {
  public:
   SafepointGenerator(LCodeGen* codegen,
                      LPointerMap* pointers,
                      Safepoint::DeoptMode mode)
@@ skipping 342 matching lines @@
   if (!CpuFeatures::IsSupported(SSE2)) FlushX87StackIfNecessary(instr);
 }
 
 
 void LCodeGen::GenerateBodyInstructionPost(LInstruction* instr) {
   if (!CpuFeatures::IsSupported(SSE2)) {
     if (instr->IsGoto()) {
       x87_stack_.LeavingBlock(current_block_, LGoto::cast(instr));
     } else if (FLAG_debug_code && FLAG_enable_slow_asserts &&
                !instr->IsGap() && !instr->IsReturn()) {
-      if (instr->ClobbersDoubleRegisters()) {
+      if (instr->ClobbersDoubleRegisters(isolate())) {
         if (instr->HasDoubleRegisterResult()) {
           ASSERT_EQ(1, x87_stack_.depth());
         } else {
           ASSERT_EQ(0, x87_stack_.depth());
         }
       }
       __ VerifyX87StackDepth(x87_stack_.depth());
     }
   }
 }
@@ skipping 278 matching lines @@
 void LCodeGen::X87PrepareBinaryOp(
     X87Register left, X87Register right, X87Register result) {
   // You need to use DefineSameAsFirst for x87 instructions
   ASSERT(result.is(left));
   x87_stack_.Fxch(right, 1);
   x87_stack_.Fxch(left);
 }
 
 
 void LCodeGen::X87Stack::FlushIfNecessary(LInstruction* instr, LCodeGen* cgen) {
-  if (stack_depth_ > 0 && instr->ClobbersDoubleRegisters()) {
+  if (stack_depth_ > 0 && instr->ClobbersDoubleRegisters(isolate())) {
     bool double_inputs = instr->HasDoubleRegisterInput();
 
     // Flush stack from tos down, since FreeX87() will mess with tos
     for (int i = stack_depth_-1; i >= 0; i--) {
       X87Register reg = stack_[i];
       // Skip registers which contain the inputs for the next instruction
       // when flushing the stack
       if (double_inputs && instr->IsDoubleInput(reg, cgen)) {
         continue;
       }
@@ skipping 1266 matching lines @@
 }
 
 
 void LCodeGen::DoConstantD(LConstantD* instr) {
   double v = instr->value();
   uint64_t int_val = BitCast<uint64_t, double>(v);
   int32_t lower = static_cast<int32_t>(int_val);
   int32_t upper = static_cast<int32_t>(int_val >> (kBitsPerInt));
   ASSERT(instr->result()->IsDoubleRegister());
 
-  if (!CpuFeatures::IsSafeForSnapshot(SSE2)) {
+  if (!CpuFeatures::IsSafeForSnapshot(isolate(), SSE2)) {
     __ push(Immediate(upper));
     __ push(Immediate(lower));
     X87Register reg = ToX87Register(instr->result());
     X87Mov(reg, Operand(esp, 0));
     __ add(Operand(esp), Immediate(kDoubleSize));
   } else {
     CpuFeatureScope scope1(masm(), SSE2);
     XMMRegister res = ToDoubleRegister(instr->result());
     if (int_val == 0) {
       __ xorps(res, res);
@@ skipping 252 matching lines @@
     __ j(parity_even, &return_left, Label::kNear);  // left == NaN.
     __ bind(&return_right);
     __ movaps(left_reg, right_reg);
 
     __ bind(&return_left);
   }
 }
 
 
 void LCodeGen::DoArithmeticD(LArithmeticD* instr) {
-  if (CpuFeatures::IsSafeForSnapshot(SSE2)) {
+  if (CpuFeatures::IsSafeForSnapshot(isolate(), SSE2)) {
     CpuFeatureScope scope(masm(), SSE2);
     XMMRegister left = ToDoubleRegister(instr->left());
     XMMRegister right = ToDoubleRegister(instr->right());
     XMMRegister result = ToDoubleRegister(instr->result());
     switch (instr->op()) {
       case Token::ADD:
         __ addsd(left, right);
         break;
       case Token::SUB:
         __ subsd(left, right);
@@ skipping 224 matching lines @@
         __ CmpInstanceType(map, SYMBOL_TYPE);
         __ j(equal, instr->TrueLabel(chunk_));
       }
 
       if (expected.Contains(ToBooleanStub::HEAP_NUMBER)) {
         // heap number -> false iff +0, -0, or NaN.
         Label not_heap_number;
         __ cmp(FieldOperand(reg, HeapObject::kMapOffset),
                factory()->heap_number_map());
         __ j(not_equal, &not_heap_number, Label::kNear);
-        if (CpuFeatures::IsSafeForSnapshot(SSE2)) {
+        if (CpuFeatures::IsSafeForSnapshot(isolate(), SSE2)) {
           CpuFeatureScope scope(masm(), SSE2);
           XMMRegister xmm_scratch = double_scratch0();
           __ xorps(xmm_scratch, xmm_scratch);
           __ ucomisd(xmm_scratch, FieldOperand(reg, HeapNumber::kValueOffset));
         } else {
           __ fldz();
           __ fld_d(FieldOperand(reg, HeapNumber::kValueOffset));
           __ FCmp();
         }
         __ j(zero, instr->FalseLabel(chunk_));
@@ skipping 66 matching lines @@
 
   if (left->IsConstantOperand() && right->IsConstantOperand()) {
     // We can statically evaluate the comparison.
     double left_val = ToDouble(LConstantOperand::cast(left));
     double right_val = ToDouble(LConstantOperand::cast(right));
     int next_block = EvalComparison(instr->op(), left_val, right_val) ?
         instr->TrueDestination(chunk_) : instr->FalseDestination(chunk_);
     EmitGoto(next_block);
   } else {
     if (instr->is_double()) {
-      if (CpuFeatures::IsSafeForSnapshot(SSE2)) {
+      if (CpuFeatures::IsSafeForSnapshot(isolate(), SSE2)) {
         CpuFeatureScope scope(masm(), SSE2);
         __ ucomisd(ToDoubleRegister(left), ToDoubleRegister(right));
       } else {
         X87LoadForUsage(ToX87Register(right), ToX87Register(left));
         __ FCmp();
       }
       // Don't base result on EFLAGS when a NaN is involved. Instead
       // jump to the false block.
       __ j(parity_even, instr->FalseLabel(chunk_));
     } else {
@@ skipping 655 matching lines @@
   if (instr->hydrogen()->NeedsWriteBarrier()) {
     SmiCheck check_needed =
         instr->hydrogen()->value()->IsHeapObject()
             ? OMIT_SMI_CHECK : INLINE_SMI_CHECK;
     Register temp = ToRegister(instr->temp());
     int offset = Context::SlotOffset(instr->slot_index());
     __ RecordWriteContextSlot(context,
                               offset,
                               value,
                               temp,
-                              GetSaveFPRegsMode(),
+                              GetSaveFPRegsMode(isolate()),
                               EMIT_REMEMBERED_SET,
                               check_needed);
   }
 
   __ bind(&skip_assignment);
 }
 
 
 void LCodeGen::DoLoadNamedField(LLoadNamedField* instr) {
   HObjectAccess access = instr->hydrogen()->access();
@@ skipping 1146 matching lines @@
     } else {
       Register temp = ToRegister(instr->temp());
       Register temp_map = ToRegister(instr->temp_map());
       __ mov(temp_map, transition);
       __ mov(FieldOperand(object, HeapObject::kMapOffset), temp_map);
       // Update the write barrier for the map field.
       __ RecordWriteField(object,
                           HeapObject::kMapOffset,
                           temp_map,
                           temp,
-                          GetSaveFPRegsMode(),
+                          GetSaveFPRegsMode(isolate()),
                           OMIT_REMEMBERED_SET,
                           OMIT_SMI_CHECK);
     }
   }
 
   // Do the store.
   Register write_register = object;
   if (!access.IsInobject()) {
     write_register = ToRegister(instr->temp());
     __ mov(write_register, FieldOperand(object, JSObject::kPropertiesOffset));
@@ skipping 20 matching lines @@
   }
 
   if (instr->hydrogen()->NeedsWriteBarrier()) {
     Register value = ToRegister(instr->value());
     Register temp = access.IsInobject() ? ToRegister(instr->temp()) : object;
     // Update the write barrier for the object for in-object properties.
     __ RecordWriteField(write_register,
                         offset,
                         value,
                         temp,
-                        GetSaveFPRegsMode(),
+                        GetSaveFPRegsMode(isolate()),
                         EMIT_REMEMBERED_SET,
                         check_needed);
   }
 }
 
 
 void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) {
   ASSERT(ToRegister(instr->context()).is(esi));
   ASSERT(ToRegister(instr->object()).is(edx));
   ASSERT(ToRegister(instr->value()).is(eax));
@@ skipping 39 matching lines @@
   }
   Operand operand(BuildFastArrayOperand(
       instr->elements(),
       key,
       instr->hydrogen()->key()->representation(),
       elements_kind,
       0,
       instr->additional_index()));
   if (elements_kind == EXTERNAL_FLOAT32_ELEMENTS ||
       elements_kind == FLOAT32_ELEMENTS) {
-    if (CpuFeatures::IsSafeForSnapshot(SSE2)) {
+    if (CpuFeatures::IsSafeForSnapshot(isolate(), SSE2)) {
       CpuFeatureScope scope(masm(), SSE2);
       XMMRegister xmm_scratch = double_scratch0();
       __ cvtsd2ss(xmm_scratch, ToDoubleRegister(instr->value()));
       __ movss(operand, xmm_scratch);
     } else {
       __ fld(0);
       __ fstp_s(operand);
     }
   } else if (elements_kind == EXTERNAL_FLOAT64_ELEMENTS ||
              elements_kind == FLOAT64_ELEMENTS) {
-    if (CpuFeatures::IsSafeForSnapshot(SSE2)) {
+    if (CpuFeatures::IsSafeForSnapshot(isolate(), SSE2)) {
       CpuFeatureScope scope(masm(), SSE2);
       __ movsd(operand, ToDoubleRegister(instr->value()));
     } else {
       X87Mov(operand, ToX87Register(instr->value()));
     }
   } else {
     Register value = ToRegister(instr->value());
     switch (elements_kind) {
       case EXTERNAL_UINT8_CLAMPED_ELEMENTS:
       case EXTERNAL_UINT8_ELEMENTS:
@@ skipping 38 matching lines @@
   ExternalReference canonical_nan_reference =
       ExternalReference::address_of_canonical_non_hole_nan();
   Operand double_store_operand = BuildFastArrayOperand(
       instr->elements(),
       instr->key(),
       instr->hydrogen()->key()->representation(),
       FAST_DOUBLE_ELEMENTS,
       FixedDoubleArray::kHeaderSize - kHeapObjectTag,
       instr->additional_index());
 
-  if (CpuFeatures::IsSafeForSnapshot(SSE2)) {
+  if (CpuFeatures::IsSafeForSnapshot(isolate(), SSE2)) {
     CpuFeatureScope scope(masm(), SSE2);
     XMMRegister value = ToDoubleRegister(instr->value());
 
     if (instr->NeedsCanonicalization()) {
       Label have_value;
 
       __ ucomisd(value, value);
       __ j(parity_odd, &have_value, Label::kNear);  // NaN.
 
       __ movsd(value, Operand::StaticVariable(canonical_nan_reference));
@@ skipping 81 matching lines @@
     Register value = ToRegister(instr->value());
     ASSERT(!instr->key()->IsConstantOperand());
     SmiCheck check_needed =
         instr->hydrogen()->value()->IsHeapObject()
           ? OMIT_SMI_CHECK : INLINE_SMI_CHECK;
     // Compute address of modified element and store it into key register.
     __ lea(key, operand);
     __ RecordWrite(elements,
                    key,
                    value,
-                   GetSaveFPRegsMode(),
+                   GetSaveFPRegsMode(isolate()),
                    EMIT_REMEMBERED_SET,
                    check_needed);
   }
 }
 
 
 void LCodeGen::DoStoreKeyed(LStoreKeyed* instr) {
   // By cases...external, fast-double, fast
   if (instr->is_typed_elements()) {
     DoStoreKeyedExternalArray(instr);
@@ skipping 716 matching lines @@
 
 
 void LCodeGen::DoDoubleToI(LDoubleToI* instr) {
   LOperand* input = instr->value();
   ASSERT(input->IsDoubleRegister());
   LOperand* result = instr->result();
   ASSERT(result->IsRegister());
   Register result_reg = ToRegister(result);
 
   if (instr->truncating()) {
-    if (CpuFeatures::IsSafeForSnapshot(SSE2)) {
+    if (CpuFeatures::IsSafeForSnapshot(isolate(), SSE2)) {
       CpuFeatureScope scope(masm(), SSE2);
       XMMRegister input_reg = ToDoubleRegister(input);
       __ TruncateDoubleToI(result_reg, input_reg);
     } else {
       X87Register input_reg = ToX87Register(input);
       X87Fxch(input_reg);
       __ TruncateX87TOSToI(result_reg);
     }
   } else {
     Label bailout, done;
-    if (CpuFeatures::IsSafeForSnapshot(SSE2)) {
+    if (CpuFeatures::IsSafeForSnapshot(isolate(), SSE2)) {
       CpuFeatureScope scope(masm(), SSE2);
       XMMRegister input_reg = ToDoubleRegister(input);
       XMMRegister xmm_scratch = double_scratch0();
        __ DoubleToI(result_reg, input_reg, xmm_scratch,
            instr->hydrogen()->GetMinusZeroMode(), &bailout, Label::kNear);
     } else {
       X87Register input_reg = ToX87Register(input);
       X87Fxch(input_reg);
       __ X87TOSToI(result_reg, instr->hydrogen()->GetMinusZeroMode(),
                    &bailout, Label::kNear);
     }
     __ jmp(&done, Label::kNear);
     __ bind(&bailout);
     DeoptimizeIf(no_condition, instr->environment());
     __ bind(&done);
   }
 }
 
 
 void LCodeGen::DoDoubleToSmi(LDoubleToSmi* instr) {
   LOperand* input = instr->value();
   ASSERT(input->IsDoubleRegister());
   LOperand* result = instr->result();
   ASSERT(result->IsRegister());
   Register result_reg = ToRegister(result);
 
   Label bailout, done;
-  if (CpuFeatures::IsSafeForSnapshot(SSE2)) {
+  if (CpuFeatures::IsSafeForSnapshot(isolate(), SSE2)) {
     CpuFeatureScope scope(masm(), SSE2);
     XMMRegister input_reg = ToDoubleRegister(input);
     XMMRegister xmm_scratch = double_scratch0();
     __ DoubleToI(result_reg, input_reg, xmm_scratch,
         instr->hydrogen()->GetMinusZeroMode(), &bailout, Label::kNear);
   } else {
     X87Register input_reg = ToX87Register(input);
     X87Fxch(input_reg);
     __ X87TOSToI(result_reg, instr->hydrogen()->GetMinusZeroMode(),
         &bailout, Label::kNear);
@@ skipping 943 matching lines @@
   __ bind(deferred->exit());
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32