Upgrade V8 to 5.1.281.57 DO NOT MERGE
FPIIM-449
Change-Id: Id981b686b4d587ac31697662eb98bb34be42ad90
(cherry picked from commit 3b9bc31999c9787eb726ecdbfd5796bfdec32a18)
diff --git a/src/s390/codegen-s390.h b/src/s390/codegen-s390.h
new file mode 100644
index 0000000..18cf8e2
--- /dev/null
+++ b/src/s390/codegen-s390.h
@@ -0,0 +1,44 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+//
+// Copyright IBM Corp. 2012, 2015. 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_S390_CODEGEN_S390_H_
+#define V8_S390_CODEGEN_S390_H_
+
+#include "src/ast/ast.h"
+#include "src/macro-assembler.h"
+
+namespace v8 {
+namespace internal {
+
+class StringCharLoadGenerator : public AllStatic {
+ public:
+ // Generates the code for handling different string types and loading the
+ // indexed character into |result|. We expect |index| as untagged input and
+ // |result| as untagged output.
+ static void Generate(MacroAssembler* masm, Register string, Register index,
+ Register result, Label* call_runtime);
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(StringCharLoadGenerator);
+};
+
+class MathExpGenerator : public AllStatic {
+ public:
+ // Register input isn't modified. All other registers are clobbered.
+ static void EmitMathExp(MacroAssembler* masm, DoubleRegister input,
+ DoubleRegister result, DoubleRegister double_scratch1,
+ DoubleRegister double_scratch2, Register temp1,
+ Register temp2, Register temp3);
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(MathExpGenerator);
+};
+
+} // namespace internal
+} // namespace v8
+
+#endif // V8_S390_CODEGEN_S390_H_