aboutsummaryrefslogtreecommitdiffstats
path: root/src/qml/jit/qv4unop.cpp
diff options
context:
space:
mode:
authorLars Knoll <lars.knoll@digia.com>2014-02-10 16:31:18 +0100
committerThe Qt Project <gerrit-noreply@qt-project.org>2014-02-22 18:47:27 +0100
commitc60387d210b03ba4fa42522dec3184e254eb7006 (patch)
tree0f2c8f9febb37ff2c3bb88d0584987529db7b7d6 /src/qml/jit/qv4unop.cpp
parent185dac2d11beadec50e6ac4e1b806585d45de3b7 (diff)
Move unops into it's own file
Change-Id: I17aaff4d044608462e1edabc5612685591b3a433 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Diffstat (limited to 'src/qml/jit/qv4unop.cpp')
-rw-r--r--src/qml/jit/qv4unop.cpp142
1 files changed, 142 insertions, 0 deletions
diff --git a/src/qml/jit/qv4unop.cpp b/src/qml/jit/qv4unop.cpp
new file mode 100644
index 0000000000..02a6f63a00
--- /dev/null
+++ b/src/qml/jit/qv4unop.cpp
@@ -0,0 +1,142 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** 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 Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <qv4unop_p.h>
+#include <qv4assembler_p.h>
+
+#if ENABLE(ASSEMBLER)
+
+using namespace QV4;
+using namespace JIT;
+
+using namespace QQmlJS;
+using namespace MASM;
+
+#define stringIfyx(s) #s
+#define stringIfy(s) stringIfyx(s)
+#define setOp(operation) \
+ do { call = operation; name = stringIfy(operation); } while (0)
+
+void Unop::generate(QQmlJS::V4IR::Temp *source, QQmlJS::V4IR::Temp *target)
+{
+ UnaryOpName call = 0;
+ const char *name = 0;
+ switch (op) {
+ case V4IR::OpNot:
+ generateNot(source, target);
+ return;
+ case V4IR::OpUMinus:
+ generateUMinus(source, target);
+ return;
+ case V4IR::OpUPlus: setOp(__qmljs_uplus); break;
+ case V4IR::OpCompl:
+ generateCompl(source, target);
+ return;
+ case V4IR::OpIncrement: setOp(__qmljs_increment); break;
+ case V4IR::OpDecrement: setOp(__qmljs_decrement); break;
+ default:
+ Q_UNREACHABLE();
+ } // switch
+
+ if (call) {
+ as->generateFunctionCallImp(target, name, call, Assembler::PointerToValue(source));
+ }
+}
+
+void Unop::generateUMinus(V4IR::Temp *source, V4IR::Temp *target)
+{
+ if (source->type == V4IR::SInt32Type) {
+ Assembler::RegisterID tReg = Assembler::ScratchRegister;
+ if (target->kind == V4IR::Temp::PhysicalRegister)
+ tReg = (Assembler::RegisterID) target->index;
+ Assembler::RegisterID sReg = as->toInt32Register(source, tReg);
+ as->move(sReg, tReg);
+ as->neg32(tReg);
+ if (target->kind != V4IR::Temp::PhysicalRegister)
+ as->storeInt32(tReg, target);
+ return;
+ }
+
+ as->generateFunctionCallImp(target, "__qmljs_uminus", __qmljs_uminus, Assembler::PointerToValue(source));
+}
+
+void Unop::generateNot(V4IR::Temp *source, V4IR::Temp *target)
+{
+ if (source->type == V4IR::BoolType) {
+ Assembler::RegisterID tReg = Assembler::ScratchRegister;
+ if (target->kind == V4IR::Temp::PhysicalRegister)
+ tReg = (Assembler::RegisterID) target->index;
+ as->xor32(Assembler::TrustedImm32(0x1), as->toInt32Register(source, tReg), tReg);
+ if (target->kind != V4IR::Temp::PhysicalRegister)
+ as->storeBool(tReg, target);
+ return;
+ } else if (source->type == V4IR::SInt32Type) {
+ Assembler::RegisterID tReg = Assembler::ScratchRegister;
+ if (target->kind == V4IR::Temp::PhysicalRegister)
+ tReg = (Assembler::RegisterID) target->index;
+ as->compare32(Assembler::Equal,
+ as->toInt32Register(source, Assembler::ScratchRegister), Assembler::TrustedImm32(0),
+ tReg);
+ if (target->kind != V4IR::Temp::PhysicalRegister)
+ as->storeBool(tReg, target);
+ return;
+ } else if (source->type == V4IR::DoubleType) {
+ // ###
+ }
+ // ## generic implementation testing for int/bool
+
+ as->generateFunctionCallImp(target, "__qmljs_not", __qmljs_not, Assembler::PointerToValue(source));
+}
+
+void Unop::generateCompl(V4IR::Temp *source, V4IR::Temp *target)
+{
+ if (source->type == V4IR::SInt32Type) {
+ Assembler::RegisterID tReg = Assembler::ScratchRegister;
+ if (target->kind == V4IR::Temp::PhysicalRegister)
+ tReg = (Assembler::RegisterID) target->index;
+ as->xor32(Assembler::TrustedImm32(0xffffffff), as->toInt32Register(source, tReg), tReg);
+ if (target->kind != V4IR::Temp::PhysicalRegister)
+ as->storeInt32(tReg, target);
+ return;
+ }
+ as->generateFunctionCallImp(target, "__qmljs_compl", __qmljs_compl, Assembler::PointerToValue(source));
+}
+
+#endif