dfg/DFGVariableEvent.cpp

   1 /*
   2  * Copyright (C) 2012 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 #include "config.h"
  27 #include "DFGVariableEvent.h"
  28
  29 #if ENABLE(DFG_JIT)
  30
  31 #include "FPRInfo.h"
  32 #include "GPRInfo.h"
  33 #include "JSCInlines.h"
  34
  35 namespace JSC { namespace DFG {
  36
  37 void VariableEvent::dump(PrintStream& out) const
  38 {
  39     switch (kind()) {
  40     case Reset:
  41         out.printf("Reset");
  42         break;
  43     case BirthToFill:
  44         dumpFillInfo("BirthToFill", out);
  45         break;
  46     case BirthToSpill:
  47         dumpSpillInfo("BirthToSpill", out);
  48         break;
  49     case Birth:
  50         out.print("Birth(", id(), ")");
  51         break;
  52     case Fill:
  53         dumpFillInfo("Fill", out);
  54         break;
  55     case Spill:
  56         dumpSpillInfo("Spill", out);
  57         break;
  58     case Death:
  59         out.print("Death(", id(), ")");
  60         break;
  61     case MovHintEvent:
  62         out.print("MovHint(", id(), ", ", bytecodeRegister(), ")");
  63         break;
  64     case SetLocalEvent:
  65         out.print(
  66             "SetLocal(machine:", machineRegister(), " -> bytecode:", bytecodeRegister(),
  67             ", ", dataFormatToString(dataFormat()), ")");
  68         break;
  69     default:
  70         RELEASE_ASSERT_NOT_REACHED();
  71         break;
  72     }
  73 }
  74
  75 void VariableEvent::dumpFillInfo(const char* name, PrintStream& out) const
  76 {
  77     out.print(name, "(", id(), ", ");
  78     if (dataFormat() == DataFormatDouble)
  79         out.printf("%s", FPRInfo::debugName(fpr()));
  80 #if USE(JSVALUE32_64)
  81     else if (dataFormat() & DataFormatJS)
  82         out.printf("%s:%s", GPRInfo::debugName(tagGPR()), GPRInfo::debugName(payloadGPR()));
  83 #endif
  84     else
  85         out.printf("%s", GPRInfo::debugName(gpr()));
  86     out.printf(", %s)", dataFormatToString(dataFormat()));
  87 }
  88
  89 void VariableEvent::dumpSpillInfo(const char* name, PrintStream& out) const
  90 {
  91     out.print(name, "(", id(), ", ", spillRegister(), ", ", dataFormatToString(dataFormat()), ")");
  92 }
  93
  94 } } // namespace JSC::DFG
  95
  96 #endif // ENABLE(DFG_JIT)
  97