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Diffstat (limited to 'Source/JavaScriptCore/b3/B3Const32Value.cpp')
| -rw-r--r-- | Source/JavaScriptCore/b3/B3Const32Value.cpp | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/b3/B3Const32Value.cpp b/Source/JavaScriptCore/b3/B3Const32Value.cpp new file mode 100644 index 000000000..c429c557b --- /dev/null +++ b/Source/JavaScriptCore/b3/B3Const32Value.cpp @@ -0,0 +1,251 @@ +/* + * 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 "B3Const32Value.h" + +#if ENABLE(B3_JIT) + +#include "B3ProcedureInlines.h" +#include "B3ValueInlines.h" + +namespace JSC { namespace B3 { + +Const32Value::~Const32Value() +{ +} + +Value* Const32Value::negConstant(Procedure& proc) const +{ + return proc.add<Const32Value>(origin(), -m_value); +} + +Value* Const32Value::addConstant(Procedure& proc, int32_t other) const +{ + return proc.add<Const32Value>(origin(), m_value + other); +} + +Value* Const32Value::addConstant(Procedure& proc, const Value* other) const +{ + if (!other->hasInt32()) + return nullptr; + return proc.add<Const32Value>(origin(), m_value + other->asInt32()); +} + +Value* Const32Value::subConstant(Procedure& proc, const Value* other) const +{ + if (!other->hasInt32()) + return nullptr; + return proc.add<Const32Value>(origin(), m_value - other->asInt32()); +} + +Value* Const32Value::mulConstant(Procedure& proc, const Value* other) const +{ + if (!other->hasInt32()) + return nullptr; + return proc.add<Const32Value>(origin(), m_value * other->asInt32()); +} + +Value* Const32Value::checkAddConstant(Procedure& proc, const Value* other) const +{ + if (!other->hasInt32()) + return nullptr; + CheckedInt32 result = CheckedInt32(m_value) + CheckedInt32(other->asInt32()); + if (result.hasOverflowed()) + return nullptr; + return proc.add<Const32Value>(origin(), result.unsafeGet()); +} + +Value* Const32Value::checkSubConstant(Procedure& proc, const Value* other) const +{ + if (!other->hasInt32()) + return nullptr; + CheckedInt32 result = CheckedInt32(m_value) - CheckedInt32(other->asInt32()); + if (result.hasOverflowed()) + return nullptr; + return proc.add<Const32Value>(origin(), result.unsafeGet()); +} + +Value* Const32Value::checkMulConstant(Procedure& proc, const Value* other) const +{ + if (!other->hasInt32()) + return nullptr; + CheckedInt32 result = CheckedInt32(m_value) * CheckedInt32(other->asInt32()); + if (result.hasOverflowed()) + return nullptr; + return proc.add<Const32Value>(origin(), result.unsafeGet()); +} + +Value* Const32Value::checkNegConstant(Procedure& proc) const +{ + if (m_value == -m_value) + return nullptr; + return negConstant(proc); +} + +Value* Const32Value::divConstant(Procedure& proc, const Value* other) const +{ + if (!other->hasInt32()) + return nullptr; + return proc.add<Const32Value>(origin(), chillDiv(m_value, other->asInt32())); +} + +Value* Const32Value::modConstant(Procedure& proc, const Value* other) const +{ + if (!other->hasInt32()) + return nullptr; + return proc.add<Const32Value>(origin(), chillMod(m_value, other->asInt32())); +} + +Value* Const32Value::bitAndConstant(Procedure& proc, const Value* other) const +{ + if (!other->hasInt32()) + return nullptr; + return proc.add<Const32Value>(origin(), m_value & other->asInt32()); +} + +Value* Const32Value::bitOrConstant(Procedure& proc, const Value* other) const +{ + if (!other->hasInt32()) + return nullptr; + return proc.add<Const32Value>(origin(), m_value | other->asInt32()); +} + +Value* Const32Value::bitXorConstant(Procedure& proc, const Value* other) const +{ + if (!other->hasInt32()) + return nullptr; + return proc.add<Const32Value>(origin(), m_value ^ other->asInt32()); +} + +Value* Const32Value::shlConstant(Procedure& proc, const Value* other) const +{ + if (!other->hasInt32()) + return nullptr; + return proc.add<Const32Value>(origin(), m_value << (other->asInt32() & 31)); +} + +Value* Const32Value::sShrConstant(Procedure& proc, const Value* other) const +{ + if (!other->hasInt32()) + return nullptr; + return proc.add<Const32Value>(origin(), m_value >> (other->asInt32() & 31)); +} + +Value* Const32Value::zShrConstant(Procedure& proc, const Value* other) const +{ + if (!other->hasInt32()) + return nullptr; + return proc.add<Const32Value>(origin(), static_cast<int32_t>(static_cast<uint32_t>(m_value) >> (other->asInt32() & 31))); +} + +Value* Const32Value::bitwiseCastConstant(Procedure& proc) const +{ + return proc.add<ConstFloatValue>(origin(), bitwise_cast<float>(m_value)); +} + +TriState Const32Value::equalConstant(const Value* other) const +{ + if (!other->hasInt32()) + return MixedTriState; + return triState(m_value == other->asInt32()); +} + +TriState Const32Value::notEqualConstant(const Value* other) const +{ + if (!other->hasInt32()) + return MixedTriState; + return triState(m_value != other->asInt32()); +} + +TriState Const32Value::lessThanConstant(const Value* other) const +{ + if (!other->hasInt32()) + return MixedTriState; + return triState(m_value < other->asInt32()); +} + +TriState Const32Value::greaterThanConstant(const Value* other) const +{ + if (!other->hasInt32()) + return MixedTriState; + return triState(m_value > other->asInt32()); +} + +TriState Const32Value::lessEqualConstant(const Value* other) const +{ + if (!other->hasInt32()) + return MixedTriState; + return triState(m_value <= other->asInt32()); +} + +TriState Const32Value::greaterEqualConstant(const Value* other) const +{ + if (!other->hasInt32()) + return MixedTriState; + return triState(m_value >= other->asInt32()); +} + +TriState Const32Value::aboveConstant(const Value* other) const +{ + if (!other->hasInt32()) + return MixedTriState; + return triState(static_cast<uint32_t>(m_value) > static_cast<uint32_t>(other->asInt32())); +} + +TriState Const32Value::belowConstant(const Value* other) const +{ + if (!other->hasInt32()) + return MixedTriState; + return triState(static_cast<uint32_t>(m_value) < static_cast<uint32_t>(other->asInt32())); +} + +TriState Const32Value::aboveEqualConstant(const Value* other) const +{ + if (!other->hasInt32()) + return MixedTriState; + return triState(static_cast<uint32_t>(m_value) >= static_cast<uint32_t>(other->asInt32())); +} + +TriState Const32Value::belowEqualConstant(const Value* other) const +{ + if (!other->hasInt32()) + return MixedTriState; + return triState(static_cast<uint32_t>(m_value) <= static_cast<uint32_t>(other->asInt32())); +} + +void Const32Value::dumpMeta(CommaPrinter& comma, PrintStream& out) const +{ + out.print(comma, m_value); +} + +Value* Const32Value::cloneImpl() const +{ + return new Const32Value(*this); +} + +} } // namespace JSC::B3 + +#endif // ENABLE(B3_JIT) |