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diff --git a/src/gui/painting/qimagescale_neon.cpp b/src/gui/painting/qimagescale_neon.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtGui 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 "qimagescale_p.h"
+#include "qimage.h"
+#include <private/qsimd_p.h>
+
+#if defined(__ARM_NEON__)
+
+QT_BEGIN_NAMESPACE
+
+using namespace QImageScale;
+
+inline static uint32x4_t qt_qimageScaleAARGBA_helper(const unsigned int *pix, int xyap, int Cxy, int step)
+{
+ uint32x2_t vpix32 = vmov_n_u32(*pix);
+ uint16x4_t vpix16 = vget_low_u16(vmovl_u8(vreinterpret_u8_u32(vpix32)));
+ uint32x4_t vx = vmull_n_u16(vpix16, xyap);
+ int i;
+ for (i = (1 << 14) - xyap; i > Cxy; i -= Cxy) {
+ pix += step;
+ vpix32 = vmov_n_u32(*pix);
+ vpix16 = vget_low_u16(vmovl_u8(vreinterpret_u8_u32(vpix32)));
+ vx = vaddq_u32(vx, vmull_n_u16(vpix16, Cxy));
+ }
+ pix += step;
+ vpix32 = vmov_n_u32(*pix);
+ vpix16 = vget_low_u16(vmovl_u8(vreinterpret_u8_u32(vpix32)));
+ vx = vaddq_u32(vx, vmull_n_u16(vpix16, i));
+ return vx;
+}
+
+template<bool RGB>
+void qt_qimageScaleAARGBA_up_x_down_y_neon(QImageScaleInfo *isi, unsigned int *dest,
+ int dw, int dh, int dow, int sow)
+{
+ const unsigned int **ypoints = isi->ypoints;
+ int *xpoints = isi->xpoints;
+ int *xapoints = isi->xapoints;
+ int *yapoints = isi->yapoints;
+
+ /* go through every scanline in the output buffer */
+ for (int y = 0; y < dh; y++) {
+ int Cy = yapoints[y] >> 16;
+ int yap = yapoints[y] & 0xffff;
+
+ unsigned int *dptr = dest + (y * dow);
+ for (int x = 0; x < dw; x++) {
+ const unsigned int *sptr = ypoints[y] + xpoints[x];
+ uint32x4_t vx = qt_qimageScaleAARGBA_helper(sptr, yap, Cy, sow);
+
+ int xap = xapoints[x];
+ if (xap > 0) {
+ uint32x4_t vr = qt_qimageScaleAARGBA_helper(sptr + 1, yap, Cy, sow);
+
+ vx = vmulq_n_u32(vx, 256 - xap);
+ vr = vmulq_n_u32(vr, xap);
+ vx = vaddq_u32(vx, vr);
+ vx = vshrq_n_u32(vx, 8);
+ }
+ vx = vshrq_n_u32(vx, 14);
+ const uint16x4_t vx16 = vmovn_u32(vx);
+ const uint8x8_t vx8 = vmovn_u16(vcombine_u16(vx16, vx16));
+ *dptr = vget_lane_u32(vreinterpret_u32_u8(vx8), 0);
+ if (RGB)
+ *dptr |= 0xff000000;
+ dptr++;
+ }
+ }
+}
+
+template<bool RGB>
+void qt_qimageScaleAARGBA_down_x_up_y_neon(QImageScaleInfo *isi, unsigned int *dest,
+ int dw, int dh, int dow, int sow)
+{
+ const unsigned int **ypoints = isi->ypoints;
+ int *xpoints = isi->xpoints;
+ int *xapoints = isi->xapoints;
+ int *yapoints = isi->yapoints;
+
+ /* go through every scanline in the output buffer */
+ for (int y = 0; y < dh; y++) {
+ unsigned int *dptr = dest + (y * dow);
+ for (int x = 0; x < dw; x++) {
+ int Cx = xapoints[x] >> 16;
+ int xap = xapoints[x] & 0xffff;
+
+ const unsigned int *sptr = ypoints[y] + xpoints[x];
+ uint32x4_t vx = qt_qimageScaleAARGBA_helper(sptr, xap, Cx, 1);
+
+ int yap = yapoints[y];
+ if (yap > 0) {
+ uint32x4_t vr = qt_qimageScaleAARGBA_helper(sptr + sow, xap, Cx, 1);
+
+ vx = vmulq_n_u32(vx, 256 - yap);
+ vr = vmulq_n_u32(vr, yap);
+ vx = vaddq_u32(vx, vr);
+ vx = vshrq_n_u32(vx, 8);
+ }
+ vx = vshrq_n_u32(vx, 14);
+ const uint16x4_t vx16 = vmovn_u32(vx);
+ const uint8x8_t vx8 = vmovn_u16(vcombine_u16(vx16, vx16));
+ *dptr = vget_lane_u32(vreinterpret_u32_u8(vx8), 0);
+ if (RGB)
+ *dptr |= 0xff000000;
+ dptr++;
+ }
+ }
+}
+
+template<bool RGB>
+void qt_qimageScaleAARGBA_down_xy_neon(QImageScaleInfo *isi, unsigned int *dest,
+ int dw, int dh, int dow, int sow)
+{
+ const unsigned int **ypoints = isi->ypoints;
+ int *xpoints = isi->xpoints;
+ int *xapoints = isi->xapoints;
+ int *yapoints = isi->yapoints;
+
+ for (int y = 0; y < dh; y++) {
+ int Cy = yapoints[y] >> 16;
+ int yap = yapoints[y] & 0xffff;
+
+ unsigned int *dptr = dest + (y * dow);
+ for (int x = 0; x < dw; x++) {
+ const int Cx = xapoints[x] >> 16;
+ const int xap = xapoints[x] & 0xffff;
+
+ const unsigned int *sptr = ypoints[y] + xpoints[x];
+ uint32x4_t vx = qt_qimageScaleAARGBA_helper(sptr, xap, Cx, 1);
+ vx = vshrq_n_u32(vx, 4);
+ uint32x4_t vr = vmulq_n_u32(vx, yap);
+
+ int j;
+ for (j = (1 << 14) - yap; j > Cy; j -= Cy) {
+ sptr += sow;
+ vx = qt_qimageScaleAARGBA_helper(sptr, xap, Cx, 1);
+ vx = vshrq_n_u32(vx, 4);
+ vx = vmulq_n_u32(vx, Cy);
+ vr = vaddq_u32(vr, vx);
+ }
+ sptr += sow;
+ vx = qt_qimageScaleAARGBA_helper(sptr, xap, Cx, 1);
+ vx = vshrq_n_u32(vx, 4);
+ vx = vmulq_n_u32(vx, j);
+ vr = vaddq_u32(vr, vx);
+
+ vx = vshrq_n_u32(vr, 24);
+ const uint16x4_t vx16 = vmovn_u32(vx);
+ const uint8x8_t vx8 = vmovn_u16(vcombine_u16(vx16, vx16));
+ *dptr = vget_lane_u32(vreinterpret_u32_u8(vx8), 0);
+ if (RGB)
+ *dptr |= 0xff000000;
+ dptr++;
+ }
+ }
+}
+
+template void qt_qimageScaleAARGBA_up_x_down_y_neon<false>(QImageScaleInfo *isi, unsigned int *dest,
+ int dw, int dh, int dow, int sow);
+
+template void qt_qimageScaleAARGBA_up_x_down_y_neon<true>(QImageScaleInfo *isi, unsigned int *dest,
+ int dw, int dh, int dow, int sow);
+
+template void qt_qimageScaleAARGBA_down_x_up_y_neon<false>(QImageScaleInfo *isi, unsigned int *dest,
+ int dw, int dh, int dow, int sow);
+
+template void qt_qimageScaleAARGBA_down_x_up_y_neon<true>(QImageScaleInfo *isi, unsigned int *dest,
+ int dw, int dh, int dow, int sow);
+
+template void qt_qimageScaleAARGBA_down_xy_neon<false>(QImageScaleInfo *isi, unsigned int *dest,
+ int dw, int dh, int dow, int sow);
+
+template void qt_qimageScaleAARGBA_down_xy_neon<true>(QImageScaleInfo *isi, unsigned int *dest,
+ int dw, int dh, int dow, int sow);
+
+QT_END_NAMESPACE
+
+#endif
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