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-rw-r--r--src/qml/jit/qv4unop.cpp166
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diff --git a/src/qml/jit/qv4unop.cpp b/src/qml/jit/qv4unop.cpp
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--- a/src/qml/jit/qv4unop.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtQml module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-#include <qv4unop_p.h>
-#include <qv4assembler_p.h>
-
-#if ENABLE(ASSEMBLER)
-
-using namespace QV4;
-using namespace JIT;
-
-#define stringIfyx(s) #s
-#define stringIfy(s) stringIfyx(s)
-#define setOp(operation) \
- do { \
- call = typename JITAssembler::RuntimeCall(QV4::Runtime::operation); name = "Runtime::" stringIfy(operation); \
- needsExceptionCheck = Runtime::Method_##operation##_NeedsExceptionCheck; \
- } while (0)
-
-template <typename JITAssembler>
-void Unop<JITAssembler>::generate(IR::Expr *source, IR::Expr *target)
-{
- bool needsExceptionCheck;
- typename JITAssembler::RuntimeCall call;
- const char *name = 0;
- switch (op) {
- case IR::OpNot:
- generateNot(source, target);
- return;
- case IR::OpUMinus:
- generateUMinus(source, target);
- return;
- case IR::OpUPlus: setOp(uPlus); break;
- case IR::OpCompl:
- generateCompl(source, target);
- return;
- case IR::OpPreIncrement: setOp(preIncrement); break;
- case IR::OpPreDecrement: setOp(preDecrement); break;
- default:
- Q_UNREACHABLE();
- } // switch
-
- Q_ASSERT(call.isValid());
- _as->generateFunctionCallImp(needsExceptionCheck, target, name, call, PointerToValue(source));
-}
-
-template <typename JITAssembler>
-void Unop<JITAssembler>::generateUMinus(IR::Expr *source, IR::Expr *target)
-{
- IR::Temp *targetTemp = target->asTemp();
-
- if (IR::Const *c = source->asConst()) {
- if (c->value == 0 && source->type == IR::SInt32Type) {
- // special case: minus integer 0 is 0, which is not what JS expects it to be, so always
- // do a runtime call
- generateRuntimeCall(_as, target, uMinus, PointerToValue(source));
- return;
- }
- }
- if (source->type == IR::SInt32Type) {
- typename JITAssembler::RegisterID tReg = JITAssembler::ScratchRegister;
- if (targetTemp && targetTemp->kind == IR::Temp::PhysicalRegister)
- tReg = (typename JITAssembler::RegisterID) targetTemp->index;
- typename JITAssembler::RegisterID sReg = _as->toInt32Register(source, tReg);
- _as->move(sReg, tReg);
- _as->neg32(tReg);
- if (!targetTemp || targetTemp->kind != IR::Temp::PhysicalRegister)
- _as->storeInt32(tReg, target);
- return;
- }
-
- generateRuntimeCall(_as, target, uMinus, PointerToValue(source));
-}
-
-template <typename JITAssembler>
-void Unop<JITAssembler>::generateNot(IR::Expr *source, IR::Expr *target)
-{
- IR::Temp *targetTemp = target->asTemp();
- if (source->type == IR::BoolType) {
- typename JITAssembler::RegisterID tReg = JITAssembler::ScratchRegister;
- if (targetTemp && targetTemp->kind == IR::Temp::PhysicalRegister)
- tReg = (typename JITAssembler::RegisterID) targetTemp->index;
- _as->xor32(TrustedImm32(0x1), _as->toInt32Register(source, tReg), tReg);
- if (!targetTemp || targetTemp->kind != IR::Temp::PhysicalRegister)
- _as->storeBool(tReg, target);
- return;
- } else if (source->type == IR::SInt32Type) {
- typename JITAssembler::RegisterID tReg = JITAssembler::ScratchRegister;
- if (targetTemp && targetTemp->kind == IR::Temp::PhysicalRegister)
- tReg = (typename JITAssembler::RegisterID) targetTemp->index;
- _as->compare32(RelationalCondition::Equal,
- _as->toInt32Register(source, JITAssembler::ScratchRegister), TrustedImm32(0),
- tReg);
- if (!targetTemp || targetTemp->kind != IR::Temp::PhysicalRegister)
- _as->storeBool(tReg, target);
- return;
- } else if (source->type == IR::DoubleType) {
- // ###
- }
- // ## generic implementation testing for int/bool
-
- generateRuntimeCall(_as, target, uNot, PointerToValue(source));
-}
-
-template <typename JITAssembler>
-void Unop<JITAssembler>::generateCompl(IR::Expr *source, IR::Expr *target)
-{
- IR::Temp *targetTemp = target->asTemp();
- if (source->type == IR::SInt32Type) {
- typename JITAssembler::RegisterID tReg = JITAssembler::ScratchRegister;
- if (targetTemp && targetTemp->kind == IR::Temp::PhysicalRegister)
- tReg = (typename JITAssembler::RegisterID) targetTemp->index;
- _as->xor32(TrustedImm32(0xffffffff), _as->toInt32Register(source, tReg), tReg);
- if (!targetTemp || targetTemp->kind != IR::Temp::PhysicalRegister)
- _as->storeInt32(tReg, target);
- return;
- }
- generateRuntimeCall(_as, target, complement, PointerToValue(source));
-}
-
-template struct QV4::JIT::Unop<QV4::JIT::Assembler<DefaultAssemblerTargetConfiguration>>;
-#if defined(V4_BOOTSTRAP)
-#if !CPU(ARM_THUMB2)
-template struct QV4::JIT::Unop<QV4::JIT::Assembler<AssemblerTargetConfiguration<JSC::MacroAssemblerARMv7, NoOperatingSystemSpecialization>>>;
-#endif
-#if !CPU(ARM64)
-template struct QV4::JIT::Unop<QV4::JIT::Assembler<AssemblerTargetConfiguration<JSC::MacroAssemblerARM64, NoOperatingSystemSpecialization>>>;
-#endif
-#endif
-
-#endif
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