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/*
* Copyright (C) 2015-2017 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 "B3Opcode.h"
#if ENABLE(B3_JIT)
#include <wtf/PrintStream.h>
#if !ASSERT_ENABLED
IGNORE_RETURN_TYPE_WARNINGS_BEGIN
#endif
namespace JSC { namespace B3 {
std::optional<Opcode> invertedCompare(Opcode opcode, Type type)
{
switch (opcode) {
case Equal:
return NotEqual;
case NotEqual:
return Equal;
case LessThan:
if (type.isInt())
return GreaterEqual;
return std::nullopt;
case GreaterThan:
if (type.isInt())
return LessEqual;
return std::nullopt;
case LessEqual:
if (type.isInt())
return GreaterThan;
return std::nullopt;
case GreaterEqual:
if (type.isInt())
return LessThan;
return std::nullopt;
case Above:
return BelowEqual;
case Below:
return AboveEqual;
case AboveEqual:
return Below;
case BelowEqual:
return Above;
default:
return std::nullopt;
}
}
Opcode storeOpcode(Bank bank, Width width)
{
switch (bank) {
case GP:
switch (width) {
case Width8:
return Store8;
case Width16:
return Store16;
default:
return Store;
}
case FP:
return Store;
}
ASSERT_NOT_REACHED();
}
} } // namespace JSC::B3
#if !ASSERT_ENABLED
IGNORE_RETURN_TYPE_WARNINGS_END
#endif
#endif // ENABLE(B3_JIT)
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