104 lines
3.3 KiB
C++
104 lines
3.3 KiB
C++
/*
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* Copyright (C) 2008-2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#if ENABLE(JIT)
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#if USE(JSVALUE32_64)
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#include "JIT.h"
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#include "CodeBlock.h"
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#include "JITInlines.h"
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#include "JSArray.h"
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#include "JSFunction.h"
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#include "Interpreter.h"
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#include "JSCInlines.h"
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#include "ResultType.h"
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#include "SlowPathCall.h"
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namespace JSC {
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void JIT::emit_op_unsigned(const Instruction* currentInstruction)
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{
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auto bytecode = currentInstruction->as<OpUnsigned>();
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VirtualRegister result = bytecode.m_dst;
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VirtualRegister op1 = bytecode.m_operand;
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emitLoad(op1, regT1, regT0);
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addSlowCase(branchIfNotInt32(regT1));
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addSlowCase(branch32(LessThan, regT0, TrustedImm32(0)));
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emitStoreInt32(result, regT0, result == op1);
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}
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void JIT::emit_op_inc(const Instruction* currentInstruction)
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{
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auto bytecode = currentInstruction->as<OpInc>();
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VirtualRegister srcDst = bytecode.m_srcDst;
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emitLoad(srcDst, regT1, regT0);
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addSlowCase(branchIfNotInt32(regT1));
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addSlowCase(branchAdd32(Overflow, TrustedImm32(1), regT0));
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emitStoreInt32(srcDst, regT0, true);
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}
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void JIT::emit_op_dec(const Instruction* currentInstruction)
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{
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auto bytecode = currentInstruction->as<OpDec>();
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VirtualRegister srcDst = bytecode.m_srcDst;
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emitLoad(srcDst, regT1, regT0);
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addSlowCase(branchIfNotInt32(regT1));
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addSlowCase(branchSub32(Overflow, TrustedImm32(1), regT0));
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emitStoreInt32(srcDst, regT0, true);
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}
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// Mod (%)
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/* ------------------------------ BEGIN: OP_MOD ------------------------------ */
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void JIT::emit_op_mod(const Instruction* currentInstruction)
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{
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JITSlowPathCall slowPathCall(this, currentInstruction, slow_path_mod);
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slowPathCall.call();
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}
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void JIT::emitSlow_op_mod(const Instruction*, Vector<SlowCaseEntry>::iterator&)
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{
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// We would have really useful assertions here if it wasn't for the compiler's
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// insistence on attribute noreturn.
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// RELEASE_ASSERT_NOT_REACHED();
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}
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/* ------------------------------ END: OP_MOD ------------------------------ */
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} // namespace JSC
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#endif // USE(JSVALUE32_64)
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#endif // ENABLE(JIT)
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