aboutsummaryrefslogtreecommitdiff
path: root/src/cpu/kernels/CpuCastKernel.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/cpu/kernels/CpuCastKernel.cpp')
-rw-r--r--src/cpu/kernels/CpuCastKernel.cpp1367
1 files changed, 1367 insertions, 0 deletions
diff --git a/src/cpu/kernels/CpuCastKernel.cpp b/src/cpu/kernels/CpuCastKernel.cpp
new file mode 100644
index 0000000000..db76df9076
--- /dev/null
+++ b/src/cpu/kernels/CpuCastKernel.cpp
@@ -0,0 +1,1367 @@
+/*
+ * Copyright (c) 2016-2021 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "src/cpu/kernels/CpuCastKernel.h"
+
+#include "arm_compute/core/Error.h"
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/ITensor.h"
+#include "arm_compute/core/TensorInfo.h"
+#include "arm_compute/core/Validate.h"
+#include "src/core/CPP/Validate.h"
+#include "src/core/NEON/NEFixedPoint.h"
+#include "src/core/NEON/NEMath.h"
+#include "src/core/NEON/wrapper/wrapper.h"
+#include "src/core/helpers/AutoConfiguration.h"
+#include "src/core/helpers/WindowHelpers.h"
+#include "support/SaturateCast.h"
+
+namespace arm_compute
+{
+namespace cpu
+{
+namespace kernels
+{
+namespace
+{
+Status validate_arguments(const ITensorInfo *src, const ITensorInfo *dst, ConvertPolicy policy)
+{
+ ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(src);
+ ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(dst);
+ ARM_COMPUTE_RETURN_ERROR_ON_CPU_BF16_UNSUPPORTED(src);
+ ARM_COMPUTE_RETURN_ERROR_ON_CPU_BF16_UNSUPPORTED(dst);
+ ARM_COMPUTE_UNUSED(policy);
+ ARM_COMPUTE_RETURN_ERROR_ON(src == dst);
+ ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(src, 1, DataType::QASYMM8_SIGNED, DataType::QASYMM8, DataType::U8,
+ DataType::S16, DataType::U16, DataType::BFLOAT16, DataType::F16,
+ DataType::F32, DataType::S32);
+ ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(dst, 1, DataType::QASYMM8_SIGNED, DataType::QASYMM8, DataType::U8,
+ DataType::S16, DataType::U16, DataType::BFLOAT16, DataType::F16,
+ DataType::U32, DataType::S32, DataType::F32);
+
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(src->data_type() == DataType::QASYMM8_SIGNED && (dst->data_type() != DataType::S16 && dst->data_type() != DataType::S32
+ && dst->data_type() != DataType::F16 && dst->data_type() != DataType::F32),
+ "Only data_types supported [in] QASYMM8 -> [out] U16, S16, S32, F16, F32");
+
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(src->data_type() == DataType::QASYMM8 && (dst->data_type() != DataType::S16 && dst->data_type() != DataType::U16
+ && dst->data_type() != DataType::S32 && dst->data_type() != DataType::F16 && dst->data_type() != DataType::F32),
+ "Only data_types supported [in] QASYMM8 -> [out] U16, S16, S32, F16, F32");
+
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(src->data_type() == DataType::U8 && (dst->data_type() != DataType::S16 && dst->data_type() != DataType::U16
+ && dst->data_type() != DataType::S32 && dst->data_type() != DataType::F16 && dst->data_type() != DataType::F32),
+ "Only data_types supported [in] U8 -> [out] U16, S16, S32, F16, F32");
+
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(src->data_type() == DataType::U16 && (dst->data_type() != DataType::U8 && dst->data_type() != DataType::U32),
+ "Only data_types supported [in] U16 -> [out] U8, U32");
+
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(src->data_type() == DataType::S16 && (dst->data_type() != DataType::QASYMM8_SIGNED && dst->data_type() != DataType::U8 && dst->data_type() != DataType::S32),
+ "Only data_types supported [in] S16 -> [out] U8, S32");
+
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(src->data_type() == DataType::BFLOAT16 && dst->data_type() != DataType::F32,
+ "Only data_types supported [in] BFLOAT16 -> [out] F32");
+
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(src->data_type() == DataType::F16 && (dst->data_type() != DataType::QASYMM8_SIGNED && dst->data_type() != DataType::QASYMM8
+ && dst->data_type() != DataType::U8
+ && dst->data_type() != DataType::F32 && dst->data_type() != DataType::S32),
+ "Only data_types supported [in] F16 -> [out] QASYMM8, F32, S32, U8");
+
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(src->data_type() == DataType::F32 && (dst->data_type() != DataType::QASYMM8_SIGNED && dst->data_type() != DataType::QASYMM8
+ && dst->data_type() != DataType::F16 && dst->data_type() != DataType::BFLOAT16
+ && dst->data_type() != DataType::S32 && dst->data_type() != DataType::U8),
+ "Only data_types supported [in] F32 -> [out] QASYMM8, BFLOAT16, F16, S32, U8");
+
+ ARM_COMPUTE_RETURN_ERROR_ON_MSG(src->data_type() == DataType::S32 && (dst->data_type() != DataType::QASYMM8_SIGNED && dst->data_type() != DataType::QASYMM8
+ && dst->data_type() != DataType::F16
+ && dst->data_type() != DataType::F32 && dst->data_type() != DataType::U8),
+ "Only data_types supported [in] S32 -> [out] QASYMM8, F16, F32, U8");
+
+ // Validate in case of configured dst
+ if(dst->total_size() > 0)
+ {
+ ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(src, dst);
+ }
+
+ return Status{};
+}
+} // namespace
+
+void CpuCastKernel::configure(const ITensorInfo *src, ITensorInfo *dst, ConvertPolicy policy)
+{
+ ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst);
+
+ // Auto initialize dst shape if not initialized (We can only auto-configure the shape, datatype must be given)
+ set_shape_if_empty(*dst, src->tensor_shape());
+
+ _policy = policy;
+
+ ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src, dst, policy));
+
+ // Configure kernel window
+ Window win = calculate_max_window(*src, Steps());
+
+ ICPPKernel::configure(win);
+}
+
+Status CpuCastKernel::validate(const ITensorInfo *src, const ITensorInfo *dst, ConvertPolicy policy)
+{
+ ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(src, dst, policy));
+ return Status{};
+}
+
+void CpuCastKernel::run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info)
+{
+ ARM_COMPUTE_UNUSED(info);
+ ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
+ ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window);
+
+ const auto window_start_x = static_cast<int>(window.x().start());
+ const auto window_end_x = static_cast<int>(window.x().end());
+ const int window_step_x = 16;
+
+ const ITensor *_src = tensors.get_const_tensor(TensorType::ACL_SRC);
+ ITensor *_dst = tensors.get_tensor(TensorType::ACL_DST);
+ ARM_COMPUTE_ERROR_ON_NULLPTR(_src, _dst);
+ ARM_COMPUTE_ERROR_ON(_src == _dst);
+
+ ARM_COMPUTE_ERROR_ON_NULLPTR(_src, _dst);
+
+ Window win{ window };
+ win.set(Window::DimX, Window::Dimension(0, 1, 1));
+
+ Iterator src(_src, win);
+ Iterator dst(_dst, win);
+
+ switch(_src->info()->data_type())
+ {
+ case DataType::QASYMM8_SIGNED:
+ {
+ switch(_dst->info()->data_type())
+ {
+ case DataType::S16:
+ {
+ /* Up-conversion QASYMM8_SIGNED -> S16 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const int8_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<int16_t *>(dst.ptr());
+ int x = window_start_x;
+
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const int8x16_t texels_s8 = vld1q_s8(src_ptr + x);
+
+ const int16x8x2_t texels =
+ {
+ {
+ vmovl_s8(vget_low_s8(texels_s8)),
+ vmovl_s8(vget_high_s8(texels_s8))
+ }
+ };
+
+ vst1q_s16(dst_ptr + x, texels.val[0]);
+ vst1q_s16(dst_ptr + x + 8, texels.val[1]);
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<int16_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+ case DataType::S32:
+ {
+ /* Up-conversion QASYMM8_SIGNED -> S32 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const int8_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<int32_t *>(dst.ptr());
+ int x = window_start_x;
+
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const int8x16_t texels_s8 = vld1q_s8(src_ptr + x);
+
+ const int16x8x2_t texels =
+ {
+ {
+ vmovl_s8(vget_low_s8(texels_s8)),
+ vmovl_s8(vget_high_s8(texels_s8))
+ }
+ };
+
+ vst1q_s32(dst_ptr + x, vmovl_s16(vget_low_s16(texels.val[0])));
+ vst1q_s32(dst_ptr + x + 4, vmovl_s16(vget_high_s16(texels.val[0])));
+ vst1q_s32(dst_ptr + x + 8, vmovl_s16(vget_low_s16(texels.val[1])));
+ vst1q_s32(dst_ptr + x + 12, vmovl_s16(vget_high_s16(texels.val[1])));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<int32_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+ case DataType::F32:
+ {
+ /* Up-conversion QASYMM8_SIGNED -> F32 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const int8_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<float *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const int8x16_t texels_s8 = vld1q_s8(reinterpret_cast<int8_t *>(src.ptr()));
+
+ const int16x8x2_t texels =
+ {
+ {
+ vmovl_s8(vget_low_s8(texels_s8)),
+ vmovl_s8(vget_high_s8(texels_s8))
+ }
+ };
+ vst1q_f32(dst_ptr + x, vcvtq_f32_s32(vmovl_s16(vget_low_s16(texels.val[0]))));
+ vst1q_f32(dst_ptr + x + 4, vcvtq_f32_s32(vmovl_s16(vget_high_s16(texels.val[0]))));
+ vst1q_f32(dst_ptr + x + 8, vcvtq_f32_s32(vmovl_s16(vget_low_s16(texels.val[1]))));
+ vst1q_f32(dst_ptr + x + 12, vcvtq_f32_s32(vmovl_s16(vget_high_s16(texels.val[1]))));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<float>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
+ case DataType::F16:
+ {
+ /* Up-conversion QASYMM8_SIGNED -> F16 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const int8_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<float16_t *>(dst.ptr());
+ int x = window_start_x;
+
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const int8x16_t texels_s8 = vld1q_s8(src_ptr + x);
+
+ const int16x8x2_t texels =
+ {
+ {
+ vmovl_s8(vget_low_s8(texels_s8)),
+ vmovl_s8(vget_high_s8(texels_s8))
+ }
+ };
+ vst1q_f16(dst_ptr + x, vcvtq_f16_s16(texels.val[0]));
+ vst1q_f16(dst_ptr + x + 8, vcvtq_f16_s16(texels.val[1]));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<float16_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+#endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
+
+ default:
+ ARM_COMPUTE_ERROR("dst data type not supported");
+ }
+ break;
+ }
+
+ case DataType::QASYMM8:
+ case DataType::U8:
+ {
+ switch(_dst->info()->data_type())
+ {
+ case DataType::S16:
+ {
+ /* Up-conversion U8 -> S16 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const uint8_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<int16_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const uint8x16_t texels_u8 = vld1q_u8(src_ptr + x);
+
+ const int16x8x2_t texels =
+ {
+ {
+ vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(texels_u8))),
+ vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(texels_u8)))
+ }
+ };
+
+ vst1q_s16(dst_ptr + x, texels.val[0]);
+ vst1q_s16(dst_ptr + x + 8, texels.val[1]);
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<int32_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+ case DataType::S32:
+ {
+ /* Up-conversion U8 -> S32 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const uint8_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<int32_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const uint8x16_t texels_u8 = vld1q_u8(src_ptr + x);
+
+ const int16x8x2_t texels =
+ {
+ {
+ vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(texels_u8))),
+ vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(texels_u8)))
+ }
+ };
+
+ vst1q_s32(dst_ptr + x, vmovl_s16(vget_low_s16(texels.val[0])));
+ vst1q_s32(dst_ptr + x + 4, vmovl_s16(vget_high_s16(texels.val[0])));
+ vst1q_s32(dst_ptr + x + 8, vmovl_s16(vget_low_s16(texels.val[1])));
+ vst1q_s32(dst_ptr + x + 12, vmovl_s16(vget_high_s16(texels.val[1])));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<uint32_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+ case DataType::F32:
+ {
+ /* Up-conversion U8 -> F32 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const uint8_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<float *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const uint8x16_t texels_u8 = vld1q_u8(src_ptr + x);
+
+ const int16x8x2_t texels =
+ {
+ {
+ vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(texels_u8))),
+ vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(texels_u8)))
+ }
+ };
+ vst1q_f32(dst_ptr + x, vcvtq_f32_s32(vmovl_s16(vget_low_s16(texels.val[0]))));
+ vst1q_f32(dst_ptr + x + 4, vcvtq_f32_s32(vmovl_s16(vget_high_s16(texels.val[0]))));
+ vst1q_f32(dst_ptr + x + 8, vcvtq_f32_s32(vmovl_s16(vget_low_s16(texels.val[1]))));
+ vst1q_f32(dst_ptr + x + 12, vcvtq_f32_s32(vmovl_s16(vget_high_s16(texels.val[1]))));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<uint32_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
+ case DataType::F16:
+ {
+ /* Up-conversion U8 -> F16 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const uint8_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<float16_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const uint8x16_t texels_u8 = vld1q_u8(src_ptr + x);
+
+ const int16x8x2_t texels =
+ {
+ {
+ vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(texels_u8))),
+ vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(texels_u8)))
+ }
+ };
+ vst1q_f16(dst_ptr + x, vcvtq_f16_s16(texels.val[0]));
+ vst1q_f16(dst_ptr + x + 8, vcvtq_f16_s16(texels.val[1]));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<float16_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+#endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
+ case DataType::U16:
+ {
+ /* Up-conversion U8 -> U16 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const uint8_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<uint16_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const uint8x16_t texels_u8 = vld1q_u8(src_ptr + x);
+
+ const uint16x8x2_t texels =
+ {
+ {
+ vmovl_u8(vget_low_u8(texels_u8)),
+ vmovl_u8(vget_high_u8(texels_u8))
+ }
+ };
+
+ vst1q_u16(dst_ptr + x, texels.val[0]);
+ vst1q_u16(dst_ptr + x + 8, texels.val[1]);
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<uint16_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+ default:
+ ARM_COMPUTE_ERROR("dst data type not supported");
+ }
+ break;
+ }
+ case DataType::S16:
+ {
+ switch(_dst->info()->data_type())
+ {
+ case DataType::QASYMM8_SIGNED:
+ {
+ /* Down-conversion S16 -> QASYMM8_SIGNED */
+ if(ConvertPolicy::SATURATE == _policy)
+ {
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const int16_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<int8_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const int16x8x2_t texels =
+ {
+ {
+ vld1q_s16(src_ptr + x),
+ vld1q_s16(src_ptr + x + 8)
+ }
+ };
+
+ vst1q_s8(dst_ptr + x, vcombine_s8(vqmovn_s16(texels.val[0]), vqmovn_s16(texels.val[1])));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = utils::cast::saturate_cast<int8_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ }
+ else
+ {
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const int16_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<int8_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const int16x8x2_t texels =
+ {
+ {
+ vld1q_s16(src_ptr + x),
+ vld1q_s16(src_ptr + x + 8)
+ }
+ };
+
+ vst1q_s8(dst_ptr + x, vcombine_s8(vmovn_s16(texels.val[0]), vmovn_s16(texels.val[1])));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<int8_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ }
+ break;
+ }
+ case DataType::U8:
+ {
+ /* Down-conversion S16 -> U8 */
+ if(ConvertPolicy::SATURATE == _policy)
+ {
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const int16_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<uint8_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const int16x8x2_t texels =
+ {
+ {
+ vld1q_s16(src_ptr + x),
+ vld1q_s16(src_ptr + x + 8)
+ }
+ };
+
+ vst1q_u8(dst_ptr + x, vcombine_u8(vqmovun_s16(texels.val[0]), vqmovun_s16(texels.val[1])));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = utils::cast::saturate_cast<uint8_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ }
+ else
+ {
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const int16_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<uint8_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const int16x8x2_t texels =
+ {
+ {
+ vld1q_s16(src_ptr + x),
+ vld1q_s16(src_ptr + x + 8)
+ }
+ };
+
+ vst1q_u8(dst_ptr + x, vcombine_u8(vmovn_u16(vreinterpretq_u16_s16(texels.val[0])),
+ vmovn_u16(vreinterpretq_u16_s16(texels.val[1]))));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<uint8_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ }
+ break;
+ }
+ case DataType::S32:
+ {
+ /* Up-conversion S16 -> S32 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const int16_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<int32_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const int16x8x2_t texels =
+ {
+ {
+ vld1q_s16(src_ptr + x),
+ vld1q_s16(src_ptr + x + 8)
+ }
+ };
+
+ const int32x4x4_t texels_s32 =
+ {
+ {
+ vmovl_s16(vget_low_s16(texels.val[0])),
+ vmovl_s16(vget_high_s16(texels.val[0])),
+ vmovl_s16(vget_low_s16(texels.val[1])),
+ vmovl_s16(vget_high_s16(texels.val[1]))
+ }
+ };
+
+ vst1q_s32(dst_ptr + x, texels_s32.val[0]);
+ vst1q_s32(dst_ptr + x + 4, texels_s32.val[1]);
+ vst1q_s32(dst_ptr + x + 8, texels_s32.val[2]);
+ vst1q_s32(dst_ptr + x + 12, texels_s32.val[3]);
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<int32_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+ default:
+ ARM_COMPUTE_ERROR("dst data type not supported");
+ }
+ break;
+ }
+ case DataType::U16:
+ {
+ switch(_dst->info()->data_type())
+ {
+ case DataType::U8:
+ {
+ /* Down-conversion U16 -> U8 */
+ if(ConvertPolicy::SATURATE == _policy)
+ {
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const uint16_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<uint8_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const uint16x8x2_t texels =
+ {
+ {
+ vld1q_u16(src_ptr + x),
+ vld1q_u16(src_ptr + x + 8)
+ }
+ };
+
+ vst1q_u8(dst_ptr + x, vcombine_u8(vqmovn_u16(texels.val[0]), vqmovn_u16(texels.val[1])));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = utils::cast::saturate_cast<uint8_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ }
+ else
+ {
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const uint16_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<uint8_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const uint16x8x2_t texels =
+ {
+ {
+ vld1q_u16(src_ptr + x),
+ vld1q_u16(src_ptr + x + 8)
+ }
+ };
+
+ vst1q_u8(dst_ptr + x, vcombine_u8(vmovn_u16(texels.val[0]), vmovn_u16(texels.val[1])));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<uint8_t>(*(src_ptr + x));
+ }
+
+ },
+ src, dst);
+ }
+ break;
+ }
+ case DataType::U32:
+ {
+ /* Up-conversion U16 -> U32 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const uint16_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<uint32_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const uint16x8x2_t texels =
+ {
+ {
+ vld1q_u16(src_ptr + x),
+ vld1q_u16(src_ptr + x + 8)
+ }
+ };
+
+ vst1q_u32(dst_ptr + x, vmovl_u16(vget_low_u16(texels.val[0])));
+ vst1q_u32(dst_ptr + x + 4, vmovl_u16(vget_high_u16(texels.val[0])));
+ vst1q_u32(dst_ptr + x + 8, vmovl_u16(vget_low_u16(texels.val[1])));
+ vst1q_u32(dst_ptr + x + 12, vmovl_u16(vget_high_u16(texels.val[1])));
+ }
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<uint32_t>(*(src_ptr + x));
+ }
+
+ },
+ src, dst);
+ break;
+ }
+ default:
+ ARM_COMPUTE_ERROR("dst data type not supported");
+ }
+ break;
+ }
+#if defined(__ARM_FEATURE_BF16_VECTOR_ARITHMETIC) || defined(ARM_COMPUTE_FORCE_BF16)
+ case DataType::BFLOAT16:
+ switch(_dst->info()->data_type())
+ {
+ case DataType::F32:
+ {
+ /* Up-conversion BFLOAT16 -> F32 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const bfloat16 *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<float *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const uint16x8x2_t texels =
+ {
+ {
+ vld1q_u16(reinterpret_cast<uint16_t *>(src.ptr())),
+ vld1q_u16(reinterpret_cast<uint16_t *>(src.ptr()) + 8)
+ }
+ };
+
+ vst1q_f32(reinterpret_cast<float *>(dst.ptr()),
+ vreinterpretq_f32_u32(vshlq_n_u32(vmovl_u16(vget_low_u16(texels.val[0])), 16)));
+ vst1q_f32(reinterpret_cast<float *>(dst.ptr()) + 4,
+ vreinterpretq_f32_u32(vshlq_n_u32(vmovl_u16(vget_high_u16(texels.val[0])), 16)));
+ vst1q_f32(reinterpret_cast<float *>(dst.ptr()) + 8,
+ vreinterpretq_f32_u32(vshlq_n_u32(vmovl_u16(vget_low_u16(texels.val[1])), 16)));
+ vst1q_f32(reinterpret_cast<float *>(dst.ptr()) + 12,
+ vreinterpretq_f32_u32(vshlq_n_u32(vmovl_u16(vget_high_u16(texels.val[1])), 16)));
+ }
+
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = float(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+ default:
+ ARM_COMPUTE_ERROR("dst data type unsupported");
+ }
+ break;
+#endif /* defined(__ARM_FEATURE_BF16_VECTOR_ARITHMETIC) || defined(ARM_COMPUTE_FORCE_BF16) */
+#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
+ case DataType::F16:
+ switch(_dst->info()->data_type())
+ {
+ case DataType::QASYMM8_SIGNED:
+ {
+ /* Down-conversion F16 -> QASYMM8_SIGNED (Always saturating) */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const float16_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<int8_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const float16x8x2_t texels =
+ {
+ {
+ vld1q_f16(src_ptr + x),
+ vld1q_f16(src_ptr + x + 8),
+ }
+ };
+
+ vst1q_s8(dst_ptr + x, vcombine_s8(vqmovn_s16(vcvtq_s16_f16(texels.val[0])), vqmovn_s16(vcvtq_s16_f16(texels.val[1]))));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = utils::cast::saturate_cast<int8_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+ case DataType::QASYMM8:
+ case DataType::U8:
+ {
+ /* Down-conversion F16 -> QASYMM8/U8 (Always saturating) */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const float16_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<uint8_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const float16x8x2_t texels =
+ {
+ {
+ vld1q_f16(src_ptr + x),
+ vld1q_f16(src_ptr + x + 8),
+ }
+ };
+
+ vst1q_u8(dst_ptr + x, vcombine_u8(vqmovun_s16(vcvtq_s16_f16(texels.val[0])), vqmovun_s16(vcvtq_s16_f16(texels.val[1]))));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = utils::cast::saturate_cast<uint8_t>(*(src_ptr + x));
+ }
+
+ },
+ src, dst);
+ break;
+ }
+ case DataType::F32:
+ {
+ /* Up-conversion F16 -> F32 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const float16_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<float *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const float16x8x2_t texels =
+ {
+ {
+ vld1q_f16(src_ptr + x),
+ vld1q_f16(src_ptr + x + 8)
+ }
+ };
+ vst1q_f32(dst_ptr + x, vcvt_f32_f16(vget_low_f16(texels.val[0])));
+ vst1q_f32(dst_ptr + x + 4, vcvt_f32_f16(vget_high_f16(texels.val[0])));
+ vst1q_f32(dst_ptr + x + 8, vcvt_f32_f16(vget_low_f16(texels.val[1])));
+ vst1q_f32(dst_ptr + x + 12, vcvt_f32_f16(vget_high_f16(texels.val[1])));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<float>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+ case DataType::S32:
+ {
+ /* Up-conversion F16 -> S32 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const float16_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<int32_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const float16x8x2_t texels =
+ {
+ {
+ vld1q_f16(src_ptr + x),
+ vld1q_f16(src_ptr + x + 8)
+ }
+ };
+
+ vst1q_s32(dst_ptr + x, vcvtq_s32_f32(vcvt_f32_f16(vget_low_f16(texels.val[0]))));
+ vst1q_s32(dst_ptr + x + 4, vcvtq_s32_f32(vcvt_f32_f16(vget_high_f16(texels.val[0]))));
+ vst1q_s32(dst_ptr + x + 8, vcvtq_s32_f32(vcvt_f32_f16(vget_low_f16(texels.val[1]))));
+ vst1q_s32(dst_ptr + x + 12, vcvtq_s32_f32(vcvt_f32_f16(vget_high_f16(texels.val[1]))));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<int32_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+ default:
+ ARM_COMPUTE_ERROR("dst data type not supported");
+ }
+ break;
+#endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */
+ case DataType::F32:
+ switch(_dst->info()->data_type())
+ {
+#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
+ case DataType::F16:
+ {
+ /* Down-conversion F32 -> F16 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const float *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<float16_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const float32x4x4_t texels =
+ {
+ {
+ vld1q_f32(src_ptr + x),
+ vld1q_f32(src_ptr + x + 4),
+ vld1q_f32(src_ptr + x + 8),
+ vld1q_f32(src_ptr + x + 12)
+ }
+ };
+
+ vst1q_f16(dst_ptr + x, vcombine_f16(vcvt_f16_f32(texels.val[0]), vcvt_f16_f32(texels.val[1])));
+ vst1q_f16(dst_ptr + x + 8, vcombine_f16(vcvt_f16_f32(texels.val[2]), vcvt_f16_f32(texels.val[3])));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<float16_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+#endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */
+#if defined(__ARM_FEATURE_BF16_VECTOR_ARITHMETIC) || defined(ARM_COMPUTE_FORCE_BF16)
+ case DataType::BFLOAT16:
+ {
+ /* Down-conversion F32 -> BFLOAT16 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const float *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<bfloat16 *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ wrapper::vcvt_bf16_f32(reinterpret_cast<float *>(src.ptr()),
+ reinterpret_cast<uint16_t *>(dst.ptr()));
+ wrapper::vcvt_bf16_f32(reinterpret_cast<float *>(src.ptr()) + 8,
+ reinterpret_cast<uint16_t *>(dst.ptr()) + 8);
+ }
+
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = *(src_ptr + x);
+ }
+ },
+ src, dst);
+ break;
+ }
+#endif /* defined(__ARM_FEATURE_BF16_VECTOR_ARITHMETIC) || defined(ARM_COMPUTE_FORCE_BF16) */
+ case DataType::S32:
+ {
+ /* Conversion F32 -> S32 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const float *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<int32_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const float32x4x4_t texels =
+ {
+ {
+ vld1q_f32(src_ptr + x),
+ vld1q_f32(src_ptr + x + 4),
+ vld1q_f32(src_ptr + x + 8),
+ vld1q_f32(src_ptr + x + 12),
+ }
+ };
+
+ vst1q_s32(dst_ptr + x, vcvtq_s32_f32(texels.val[0]));
+ vst1q_s32(dst_ptr + x + 4, vcvtq_s32_f32(texels.val[1]));
+ vst1q_s32(dst_ptr + x + 8, vcvtq_s32_f32(texels.val[2]));
+ vst1q_s32(dst_ptr + x + 12, vcvtq_s32_f32(texels.val[3]));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<int32_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+ case DataType::QASYMM8:
+ case DataType::U8:
+ {
+ /* Down-conversion F32 -> U8 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const float *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<uint8_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const float32x4x4_t texels =
+ {
+ {
+ vld1q_f32(src_ptr + x),
+ vld1q_f32(src_ptr + x + 4),
+ vld1q_f32(src_ptr + x + 8),
+ vld1q_f32(src_ptr + x + 12),
+ }
+ };
+
+ vst1_u8(dst_ptr + x, vqmovn_u16(vcombine_u16(vqmovun_s32(vcvtq_s32_f32(texels.val[0])), vqmovun_s32(vcvtq_s32_f32(texels.val[1])))));
+ vst1_u8(dst_ptr + x + 8, vqmovn_u16(vcombine_u16(vqmovun_s32(vcvtq_s32_f32(texels.val[2])), vqmovun_s32(vcvtq_s32_f32(texels.val[3])))));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = utils::cast::saturate_cast<uint8_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+ case DataType::QASYMM8_SIGNED:
+ {
+ /* Down-conversion F32 -> QASYMM8_SIGNED */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const float *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<int8_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const float32x4x4_t texels =
+ {
+ {
+ vld1q_f32(src_ptr + x),
+ vld1q_f32(src_ptr + x + 4),
+ vld1q_f32(src_ptr + x + 8),
+ vld1q_f32(src_ptr + x + 12),
+ }
+ };
+
+ vst1_s8(dst_ptr + x, vqmovn_s16(vcombine_s16(vqmovn_s32(vcvtq_s32_f32(texels.val[0])), vqmovn_s32(vcvtq_s32_f32(texels.val[1])))));
+ vst1_s8(dst_ptr + x + 8, vqmovn_s16(vcombine_s16(vqmovn_s32(vcvtq_s32_f32(texels.val[2])), vqmovn_s32(vcvtq_s32_f32(texels.val[3])))));
+ }
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = utils::cast::saturate_cast<int8_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+
+ default:
+ ARM_COMPUTE_ERROR("dst data type not supported");
+ }
+ break;
+
+ case DataType::S32:
+ switch(_dst->info()->data_type())
+ {
+#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
+ case DataType::F16:
+ {
+ /* Down-conversion S32 -> F16 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const int32_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<float16_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const float32x4x4_t texels =
+ {
+ {
+ vcvtq_f32_s32(vld1q_s32(src_ptr + x)),
+ vcvtq_f32_s32(vld1q_s32(src_ptr + x + 4)),
+ vcvtq_f32_s32(vld1q_s32(src_ptr + x + 8)),
+ vcvtq_f32_s32(vld1q_s32(src_ptr + x + 12))
+ }
+ };
+
+ vst1q_f16(dst_ptr + x, vcombine_f16(vcvt_f16_f32(texels.val[0]), vcvt_f16_f32(texels.val[1])));
+ vst1q_f16(dst_ptr + x + 8, vcombine_f16(vcvt_f16_f32(texels.val[2]), vcvt_f16_f32(texels.val[3])));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<float16_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+#endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */
+ case DataType::F32:
+ {
+ /* Conversion S32 -> F32 */
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const int32_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<float *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const int32x4x4_t texels =
+ {
+ {
+ vld1q_s32(src_ptr + x),
+ vld1q_s32(src_ptr + x + 4),
+ vld1q_s32(src_ptr + x + 8),
+ vld1q_s32(src_ptr + x + 12),
+ }
+ };
+
+ vst1q_f32(dst_ptr + x, vcvtq_f32_s32(texels.val[0]));
+ vst1q_f32(dst_ptr + x + 4, vcvtq_f32_s32(texels.val[1]));
+ vst1q_f32(dst_ptr + x + 8, vcvtq_f32_s32(texels.val[2]));
+ vst1q_f32(dst_ptr + x + 12, vcvtq_f32_s32(texels.val[3]));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<float>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ break;
+ }
+ case DataType::QASYMM8_SIGNED:
+ {
+ /* Down-conversion S32 -> QASYMM8_SIGNED */
+ if(ConvertPolicy::SATURATE == _policy)
+ {
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const int32_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<int8_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const int32x4x4_t texels =
+ {
+ {
+ vld1q_s32(src_ptr + x),
+ vld1q_s32(src_ptr + x + 4),
+ vld1q_s32(src_ptr + x + 8),
+ vld1q_s32(src_ptr + x + 12),
+ }
+ };
+ vst1_s8(dst_ptr + x, vqmovn_s16(vcombine_s16(vqmovn_s32(texels.val[0]), vqmovn_s32(texels.val[1]))));
+ vst1_s8(dst_ptr + x + 8, vqmovn_s16(vcombine_s16(vqmovn_s32(texels.val[2]), vqmovn_s32(texels.val[3]))));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = utils::cast::saturate_cast<int8_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ }
+ else
+ {
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const int32_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<int8_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const int32x4x4_t texels =
+ {
+ {
+ vld1q_s32(src_ptr + x),
+ vld1q_s32(src_ptr + x + 4),
+ vld1q_s32(src_ptr + x + 8),
+ vld1q_s32(src_ptr + x + 12)
+ }
+ };
+
+ vst1_s8(dst_ptr + x, vmovn_s16(vcombine_s16(vmovn_s32(texels.val[0]), vmovn_s32(texels.val[1]))));
+ vst1_s8(dst_ptr + x + 8, vmovn_s16(vcombine_s16(vmovn_s32(texels.val[2]), vmovn_s32(texels.val[3]))));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<int8_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ }
+ break;
+ }
+ case DataType::QASYMM8:
+ case DataType::U8:
+ {
+ /* Down-conversion S32 -> U8 */
+ if(ConvertPolicy::SATURATE == _policy)
+ {
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const int32_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<uint8_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const int32x4x4_t texels =
+ {
+ {
+ vld1q_s32(src_ptr + x),
+ vld1q_s32(src_ptr + x + 4),
+ vld1q_s32(src_ptr + x + 8),
+ vld1q_s32(src_ptr + x + 12)
+ }
+ };
+ vst1_u8(dst_ptr + x, vqmovn_u16(vcombine_u16(vqmovun_s32(texels.val[0]), vqmovun_s32(texels.val[1]))));
+ vst1_u8(dst_ptr + x + 8, vqmovn_u16(vcombine_u16(vqmovun_s32(texels.val[2]), vqmovun_s32(texels.val[3]))));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = utils::cast::saturate_cast<uint8_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ }
+ else
+ {
+ execute_window_loop(win, [&](const Coordinates &)
+ {
+ const auto src_ptr = reinterpret_cast<const int32_t *>(src.ptr());
+ const auto dst_ptr = reinterpret_cast<uint8_t *>(dst.ptr());
+
+ int x = window_start_x;
+ for(; x <= (window_end_x - window_step_x); x += window_step_x)
+ {
+ const int32x4x4_t texels =
+ {
+ {
+ vld1q_s32(src_ptr + x),
+ vld1q_s32(src_ptr + x + 4),
+ vld1q_s32(src_ptr + x + 8),
+ vld1q_s32(src_ptr + x + 12)
+ }
+ };
+
+ vst1_u8(dst_ptr + x, vmovn_u16(vcombine_u16(vmovn_u32(vreinterpretq_u32_s32(texels.val[0])), vmovn_u32(vreinterpretq_u32_s32(texels.val[1])))));
+ vst1_u8(dst_ptr + x + 8, vmovn_u16(vcombine_u16(vmovn_u32(vreinterpretq_u32_s32(texels.val[2])), vmovn_u32(vreinterpretq_u32_s32(texels.val[3])))));
+ }
+
+ // Compute left-over elements
+ for(; x < window_end_x; ++x)
+ {
+ *(dst_ptr + x) = static_cast<uint8_t>(*(src_ptr + x));
+ }
+ },
+ src, dst);
+ }
+ break;
+ }
+ default:
+ ARM_COMPUTE_ERROR("dst data type not supported");
+ }
+ break;
+ default:
+ ARM_COMPUTE_ERROR("Not supported");
+ }
+}
+
+const char *CpuCastKernel::name() const
+{
+ return "CpuCastKernel.cpp";
+}
+} // namespace kernels
+} // namespace cpu
+} // namespace arm_compute
generated by cgit v1.2.1 (git 2.23.0) at 2024-05-20 07:52:04 +0000