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 "DFGFPRInfo.h"
  32 #include "DFGGPRInfo.h"
  33
  34 namespace JSC { namespace DFG {
  35
  36 void VariableEvent::dump(PrintStream& out) const
  37 {
  38     switch (kind()) {
  39     case Reset:
  40         out.printf("Reset");
  41         break;
  42     case BirthToFill:
  43         dumpFillInfo("BirthToFill", out);
  44         break;
  45     case BirthToSpill:
  46         dumpSpillInfo("BirthToSpill", out);
  47         break;
  48     case Fill:
  49         dumpFillInfo("Fill", out);
  50         break;
  51     case Spill:
  52         dumpSpillInfo("Spill", out);
  53         break;
  54     case Death:
  55         out.print("Death(", id(), ")");
  56         break;
  57     case MovHintEvent:
  58         out.print("MovHint(", id(), ", r", operand(), ")");
  59         break;
  60     case SetLocalEvent:
  61         out.printf("SetLocal(r%d, %s)", operand(), dataFormatToString(dataFormat()));
  62         break;
  63     default:
  64         RELEASE_ASSERT_NOT_REACHED();
  65         break;
  66     }
  67 }
  68
  69 void VariableEvent::dumpFillInfo(const char* name, PrintStream& out) const
  70 {
  71     out.print(name, "(", id(), ", ");
  72     if (dataFormat() == DataFormatDouble)
  73         out.printf("%s", FPRInfo::debugName(fpr()));
  74 #if USE(JSVALUE32_64)
  75     else if (dataFormat() & DataFormatJS)
  76         out.printf("%s:%s", GPRInfo::debugName(tagGPR()), GPRInfo::debugName(payloadGPR()));
  77 #endif
  78     else
  79         out.printf("%s", GPRInfo::debugName(gpr()));
  80     out.printf(", %s)", dataFormatToString(dataFormat()));
  81 }
  82
  83 void VariableEvent::dumpSpillInfo(const char* name, PrintStream& out) const
  84 {
  85     out.print(name, "(", id(), ", r", virtualRegister(), ", ", dataFormatToString(dataFormat()), ")");
  86 }
  87
  88 } } // namespace JSC::DFG
  89
  90 #endif // ENABLE(DFG_JIT)
  91