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authorLorry Tar Creator <lorry-tar-importer@lorry>2016-04-10 09:28:39 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2016-04-10 09:28:39 +0000
commit32761a6cee1d0dee366b885b7b9c777e67885688 (patch)
treed6bec92bebfb216f4126356e55518842c2f476a1 /Source/JavaScriptCore/b3/B3ValueRep.cpp
parenta4e969f4965059196ca948db781e52f7cfebf19e (diff)
downloadWebKitGtk-tarball-32761a6cee1d0dee366b885b7b9c777e67885688.tar.gz
webkitgtk-2.4.11webkitgtk-2.4.11
Diffstat (limited to 'Source/JavaScriptCore/b3/B3ValueRep.cpp')
-rw-r--r--Source/JavaScriptCore/b3/B3ValueRep.cpp189
1 files changed, 0 insertions, 189 deletions
diff --git a/Source/JavaScriptCore/b3/B3ValueRep.cpp b/Source/JavaScriptCore/b3/B3ValueRep.cpp
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--- a/Source/JavaScriptCore/b3/B3ValueRep.cpp
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-/*
- * Copyright (C) 2015-2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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.
- */
-
-#include "config.h"
-#include "B3ValueRep.h"
-
-#if ENABLE(B3_JIT)
-
-#include "AssemblyHelpers.h"
-#include "JSCInlines.h"
-
-namespace JSC { namespace B3 {
-
-void ValueRep::addUsedRegistersTo(RegisterSet& set) const
-{
- switch (m_kind) {
- case WarmAny:
- case ColdAny:
- case LateColdAny:
- case SomeRegister:
- case Constant:
- return;
- case Register:
- set.set(reg());
- return;
- case Stack:
- case StackArgument:
- set.set(MacroAssembler::stackPointerRegister);
- set.set(GPRInfo::callFrameRegister);
- return;
- }
- RELEASE_ASSERT_NOT_REACHED();
-}
-
-RegisterSet ValueRep::usedRegisters() const
-{
- RegisterSet result;
- addUsedRegistersTo(result);
- return result;
-}
-
-void ValueRep::dump(PrintStream& out) const
-{
- out.print(m_kind);
- switch (m_kind) {
- case WarmAny:
- case ColdAny:
- case LateColdAny:
- case SomeRegister:
- return;
- case Register:
- out.print("(", reg(), ")");
- return;
- case Stack:
- out.print("(", offsetFromFP(), ")");
- return;
- case StackArgument:
- out.print("(", offsetFromSP(), ")");
- return;
- case Constant:
- out.print("(", value(), ")");
- return;
- }
- RELEASE_ASSERT_NOT_REACHED();
-}
-
-void ValueRep::emitRestore(AssemblyHelpers& jit, Reg reg) const
-{
- if (reg.isGPR()) {
- switch (kind()) {
- case Register:
- if (isGPR())
- jit.move(gpr(), reg.gpr());
- else
- jit.moveDoubleTo64(fpr(), reg.gpr());
- break;
- case Stack:
- jit.load64(AssemblyHelpers::Address(GPRInfo::callFrameRegister, offsetFromFP()), reg.gpr());
- break;
- case Constant:
- jit.move(AssemblyHelpers::TrustedImm64(value()), reg.gpr());
- break;
- default:
- RELEASE_ASSERT_NOT_REACHED();
- break;
- }
- return;
- }
-
- switch (kind()) {
- case Register:
- if (isGPR())
- jit.move64ToDouble(gpr(), reg.fpr());
- else
- jit.moveDouble(fpr(), reg.fpr());
- break;
- case Stack:
- jit.loadDouble(AssemblyHelpers::Address(GPRInfo::callFrameRegister, offsetFromFP()), reg.fpr());
- break;
- case Constant:
- jit.move(AssemblyHelpers::TrustedImm64(value()), jit.scratchRegister());
- jit.move64ToDouble(jit.scratchRegister(), reg.fpr());
- break;
- default:
- RELEASE_ASSERT_NOT_REACHED();
- break;
- }
-}
-
-ValueRecovery ValueRep::recoveryForJSValue() const
-{
- switch (kind()) {
- case Register:
- return ValueRecovery::inGPR(gpr(), DataFormatJS);
- case Stack:
- RELEASE_ASSERT(!(offsetFromFP() % sizeof(EncodedJSValue)));
- return ValueRecovery::displacedInJSStack(
- VirtualRegister(offsetFromFP() / sizeof(EncodedJSValue)),
- DataFormatJS);
- case Constant:
- return ValueRecovery::constant(JSValue::decode(value()));
- default:
- RELEASE_ASSERT_NOT_REACHED();
- return { };
- }
-}
-
-} } // namespace JSC::B3
-
-namespace WTF {
-
-using namespace JSC::B3;
-
-void printInternal(PrintStream& out, ValueRep::Kind kind)
-{
- switch (kind) {
- case ValueRep::WarmAny:
- out.print("WarmAny");
- return;
- case ValueRep::ColdAny:
- out.print("ColdAny");
- return;
- case ValueRep::LateColdAny:
- out.print("LateColdAny");
- return;
- case ValueRep::SomeRegister:
- out.print("SomeRegister");
- return;
- case ValueRep::Register:
- out.print("Register");
- return;
- case ValueRep::Stack:
- out.print("Stack");
- return;
- case ValueRep::StackArgument:
- out.print("StackArgument");
- return;
- case ValueRep::Constant:
- out.print("Constant");
- return;
- }
- RELEASE_ASSERT_NOT_REACHED();
-}
-
-} // namespace WTF
-
-#endif // ENABLE(B3_JIT)