Upgrade to 3.29
Update V8 to 3.29.88.17 and update makefiles to support building on
all the relevant platforms.
Bug: 17370214
Change-Id: Ia3407c157fd8d72a93e23d8318ccaf6ecf77fa4e
diff --git a/src/codegen.h b/src/codegen.h
index 50d70f2..e01a398 100644
--- a/src/codegen.h
+++ b/src/codegen.h
@@ -1,36 +1,12 @@
-// Copyright 2011 the V8 project authors. 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.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// 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.
#ifndef V8_CODEGEN_H_
#define V8_CODEGEN_H_
-#include "code-stubs.h"
-#include "runtime.h"
-#include "type-info.h"
+#include "src/code-stubs.h"
+#include "src/runtime.h"
// Include the declaration of the architecture defined class CodeGenerator.
// The contract to the shared code is that the the CodeGenerator is a subclass
@@ -70,13 +46,19 @@
enum TypeofState { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF };
#if V8_TARGET_ARCH_IA32
-#include "ia32/codegen-ia32.h"
+#include "src/ia32/codegen-ia32.h" // NOLINT
#elif V8_TARGET_ARCH_X64
-#include "x64/codegen-x64.h"
+#include "src/x64/codegen-x64.h" // NOLINT
+#elif V8_TARGET_ARCH_ARM64
+#include "src/arm64/codegen-arm64.h" // NOLINT
#elif V8_TARGET_ARCH_ARM
-#include "arm/codegen-arm.h"
+#include "src/arm/codegen-arm.h" // NOLINT
#elif V8_TARGET_ARCH_MIPS
-#include "mips/codegen-mips.h"
+#include "src/mips/codegen-mips.h" // NOLINT
+#elif V8_TARGET_ARCH_MIPS64
+#include "src/mips64/codegen-mips64.h" // NOLINT
+#elif V8_TARGET_ARCH_X87
+#include "src/x87/codegen-x87.h" // NOLINT
#else
#error Unsupported target architecture.
#endif
@@ -84,25 +66,116 @@
namespace v8 {
namespace internal {
+
+class CompilationInfo;
+
+
+class CodeGenerator {
+ public:
+ // Printing of AST, etc. as requested by flags.
+ static void MakeCodePrologue(CompilationInfo* info, const char* kind);
+
+ // Allocate and install the code.
+ static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm,
+ Code::Flags flags,
+ CompilationInfo* info);
+
+ // Print the code after compiling it.
+ static void PrintCode(Handle<Code> code, CompilationInfo* info);
+
+ static bool RecordPositions(MacroAssembler* masm,
+ int pos,
+ bool right_here = false);
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(CodeGenerator);
+};
+
+
// Results of the library implementation of transcendental functions may differ
// from the one we use in our generated code. Therefore we use the same
// generated code both in runtime and compiled code.
typedef double (*UnaryMathFunction)(double x);
-UnaryMathFunction CreateTranscendentalFunction(TranscendentalCache::Type type);
+UnaryMathFunction CreateExpFunction();
UnaryMathFunction CreateSqrtFunction();
+double modulo(double x, double y);
+
+// Custom implementation of math functions.
+double fast_exp(double input);
+double fast_sqrt(double input);
+#ifdef _WIN64
+void init_modulo_function();
+#endif
+void lazily_initialize_fast_exp();
+void init_fast_sqrt_function();
+
+
class ElementsTransitionGenerator : public AllStatic {
public:
- static void GenerateSmiOnlyToObject(MacroAssembler* masm);
- static void GenerateSmiOnlyToDouble(MacroAssembler* masm, Label* fail);
- static void GenerateDoubleToObject(MacroAssembler* masm, Label* fail);
+ // If |mode| is set to DONT_TRACK_ALLOCATION_SITE,
+ // |allocation_memento_found| may be NULL.
+ static void GenerateMapChangeElementsTransition(
+ MacroAssembler* masm,
+ Register receiver,
+ Register key,
+ Register value,
+ Register target_map,
+ AllocationSiteMode mode,
+ Label* allocation_memento_found);
+ static void GenerateSmiToDouble(
+ MacroAssembler* masm,
+ Register receiver,
+ Register key,
+ Register value,
+ Register target_map,
+ AllocationSiteMode mode,
+ Label* fail);
+ static void GenerateDoubleToObject(
+ MacroAssembler* masm,
+ Register receiver,
+ Register key,
+ Register value,
+ Register target_map,
+ AllocationSiteMode mode,
+ Label* fail);
private:
DISALLOW_COPY_AND_ASSIGN(ElementsTransitionGenerator);
};
+static const int kNumberDictionaryProbes = 4;
+
+
+class CodeAgingHelper {
+ public:
+ CodeAgingHelper();
+
+ uint32_t young_sequence_length() const { return young_sequence_.length(); }
+ bool IsYoung(byte* candidate) const {
+ return memcmp(candidate,
+ young_sequence_.start(),
+ young_sequence_.length()) == 0;
+ }
+ void CopyYoungSequenceTo(byte* new_buffer) const {
+ CopyBytes(new_buffer, young_sequence_.start(), young_sequence_.length());
+ }
+
+#ifdef DEBUG
+ bool IsOld(byte* candidate) const;
+#endif
+
+ protected:
+ const EmbeddedVector<byte, kNoCodeAgeSequenceLength> young_sequence_;
+#ifdef DEBUG
+#ifdef V8_TARGET_ARCH_ARM64
+ const EmbeddedVector<byte, kNoCodeAgeSequenceLength> old_sequence_;
+#endif
+#endif
+};
+
} } // namespace v8::internal
#endif // V8_CODEGEN_H_