ftl/FTLValueFormat.h

   1 /*
   2  * Copyright (C) 2013 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef FTLValueFormat_h
  27 #define FTLValueFormat_h
  28
  29 #if ENABLE(FTL_JIT)
  30
  31 #include "GPRInfo.h"
  32 #include <wtf/PrintStream.h>
  33
  34 namespace JSC {
  35
  36 class AssemblyHelpers;
  37
  38 namespace FTL {
  39
  40 // Note that this is awkwardly similar to DataFormat in other parts of JSC, except that
  41 // unlike DataFormat and like ValueRecovery, it distinguishes between UInt32 and Int32.
  42
  43 enum ValueFormat {
  44     InvalidValueFormat,
  45     ValueFormatInt32,
  46     ValueFormatInt52,
  47     ValueFormatStrictInt52,
  48     ValueFormatBoolean,
  49     ValueFormatJSValue,
  50     ValueFormatDouble
  51 };
  52
  53 void reboxAccordingToFormat(
  54     ValueFormat, AssemblyHelpers&, GPRReg value, GPRReg scratch1, GPRReg scratch2);
  55
  56 } } // namespace JSC::FTL
  57
  58 namespace WTF {
  59
  60 void printInternal(PrintStream&, JSC::FTL::ValueFormat);
  61
  62 } // namespace WTF
  63
  64 #endif // ENABLE(FTL_JIT)
  65
  66 #endif // FTLValueFormat_h
  67