src/qu8-dwconv/unipass-neon-mul8.c.in - platform/external/XNNPACK - Git at Google

 // Copyright 2020 Google LLC
 //
 // This source code is licensed under the BSD-style license found in the
 // LICENSE file in the root directory of this source tree.

 $assert REQUANTIZATION == "RNDNU"
 $assert DATATYPE == "QU8"
 $ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
 $assert CHANNEL_TILE % 8 == 0
 $assert CHANNEL_TILE >= 8
 $assert KERNEL_TILE >= 2
 #include <assert.h>

 #include <arm_neon.h>

 #include <xnnpack/dwconv.h>


 void xnn_qu8_dwconv_minmax_rndnu_ukernel_up${CHANNEL_TILE}x${KERNEL_TILE}__neon_mul8(
     size_t channels,
     size_t output_width,
     const uint8_t** input,
     const void* weights,
     uint8_t* output,
     size_t input_stride,
     size_t output_increment,
     size_t input_offset,
     const uint8_t* zero,
     const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
 {
   assert(channels != 0);
   assert(output_width != 0);

   const uint8x8_t vkernel_zero_point = vld1_dup_u8(params->rndnu_neon.kernel_zero_point);
   const uint16x8_t vkernel_zero_point16 = vmovl_u8(vkernel_zero_point);
   const int32x4_t vright_pre_shift = vld1q_dup_s32(&params->rndnu_neon.right_pre_shift);
   const int32x4_t vmultiplier = vld1q_dup_s32(&params->rndnu_neon.multiplier);
   const int32x4_t vright_post_shift = vld1q_dup_s32(&params->rndnu_neon.right_post_shift);
   const int16x8_t voutput_zero_point = vld1q_dup_s16(&params->rndnu_neon.output_zero_point);
   $if CHANNEL_TILE == 8:
     const uint8x8_t voutput_min = vld1_dup_u8(&params->rndnu_neon.output_min);
     const uint8x8_t voutput_max = vld1_dup_u8(&params->rndnu_neon.output_max);
   $else:
     const uint8x16_t voutput_min = vld1q_dup_u8(&params->rndnu_neon.output_min);
     const uint8x16_t voutput_max = vld1q_dup_u8(&params->rndnu_neon.output_max);
   do {
     $for K in range(KERNEL_TILE):
       const uint8_t* i${K} = input[${K}];
       assert(i${K} != NULL);
       if XNN_UNPREDICTABLE(i${K} != zero) {
         i${K} = (const uint8_t*) ((uintptr_t) i${K} + input_offset);
       }
     input = (const uint8_t**) ((uintptr_t) input + input_stride);


     size_t c = channels;
     const void* w = weights;
     for (; c >= ${CHANNEL_TILE}; c -= ${CHANNEL_TILE}) {
       $for C in range(0, CHANNEL_TILE, 4):
         int32x4_t vacc${ABC[C:C+4]} = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);


       $for K in range(KERNEL_TILE):
         $for C in range(0, CHANNEL_TILE, 8):
           const uint8x8_t vi${K}x${ABC[C:C+8]} = vld1_u8(i${K}); i${K} += 8;
           const uint8x8_t vk${K}x${ABC[C:C+8]} = vld1_u8(w); w = (const void*) ((const int8_t*) w + 8);

         $for C in range(0, CHANNEL_TILE, 8):
           $if K == 0:
             uint16x8_t vprod${ABC[C:C+8]} = vmull_u8(vi${K}x${ABC[C:C+8]}, vk${K}x${ABC[C:C+8]});
           $else:
             vprod${ABC[C:C+8]} = vmull_u8(vi${K}x${ABC[C:C+8]}, vk${K}x${ABC[C:C+8]});
           $if KERNEL_TILE == 1:
             uint16x8_t vsum${ABC[0:8]} = vmovl_u8(vi${K}x${ABC[0:8]});
           $if K == 1:
             uint16x8_t vsum${ABC[C:C+8]} = vaddl_u8(vi0x${ABC[C:C+8]}, vi1x${ABC[C:C+8]});
           $elif K > 1:
             vsum${ABC[C:C+8]} = vaddw_u8(vsum${ABC[C:C+8]}, vi${K}x${ABC[C:C+8]});

         $for C in range(0, CHANNEL_TILE, 8):
           vacc${ABC[C:C+4]} = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vacc${ABC[C:C+4]}), vget_low_u16(vprod${ABC[C:C+8]})));
           vacc${ABC[C+4:C+8]} = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vacc${ABC[C+4:C+8]}), vget_high_u16(vprod${ABC[C:C+8]})));

       $for C in range(0, CHANNEL_TILE, 8):
         vacc${ABC[C:C+4]} = vreinterpretq_s32_u32(vmlsl_u16(vreinterpretq_u32_s32(vacc${ABC[C:C+4]}), vget_low_u16(vsum${ABC[C:C+8]}), vget_low_u16(vkernel_zero_point16)));
         vacc${ABC[C+4:C+8]} = vreinterpretq_s32_u32(vmlsl_u16(vreinterpretq_u32_s32(vacc${ABC[C+4:C+8]}), vget_high_u16(vsum${ABC[C:C+8]}), vget_high_u16(vkernel_zero_point16)));

       $for C in range(0, CHANNEL_TILE, 4):
         vacc${ABC[C:C+4]} = vshlq_s32(vacc${ABC[C:C+4]}, vright_pre_shift);

       $for C in range(0, CHANNEL_TILE, 4):
         vacc${ABC[C:C+4]} = vqdmulhq_s32(vacc${ABC[C:C+4]}, vmultiplier);

       $for C in range(0, CHANNEL_TILE, 4):
         vacc${ABC[C:C+4]} = vrshlq_s32(vacc${ABC[C:C+4]}, vright_post_shift);

 #if XNN_ARCH_ARM64
       $for C in range(0, CHANNEL_TILE, 8):
         const int16x8_t vacc${ABC[C:C+8]} = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc${ABC[C:C+4]}), vacc${ABC[C+4:C+8]}), voutput_zero_point);

       $for C in range(0, CHANNEL_TILE, 16):
         $if C + 8 < CHANNEL_TILE:
           uint8x16_t vout${ABC[C:C+16]} = vqmovun_high_s16(vqmovun_s16(vacc${ABC[C:C+8]}), vacc${ABC[C+8:C+16]});
         $else:
           uint8x8_t vout${ABC[C:C+8]} = vqmovun_s16(vacc${ABC[C:C+8]});
 #else
       $for C in range(0, CHANNEL_TILE, 8):
         const int16x8_t vacc${ABC[C:C+8]} = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc${ABC[C:C+4]}), vqmovn_s32(vacc${ABC[C+4:C+8]})), voutput_zero_point);

       $for C in range(0, CHANNEL_TILE, 16):
         $if C + 8 < CHANNEL_TILE:
           uint8x16_t vout${ABC[C:C+16]} = vcombine_u8(vqmovun_s16(vacc${ABC[C:C+8]}), vqmovun_s16(vacc${ABC[C+8:C+16]}));
         $else:
           uint8x8_t vout${ABC[C:C+8]} = vqmovun_s16(vacc${ABC[C:C+8]});
 #endif

       $for C in range(0, CHANNEL_TILE, 16):
         $if C + 8 < CHANNEL_TILE:
           vout${ABC[C:C+16]} = vmaxq_u8(vout${ABC[C:C+16]}, voutput_min);
         $else:
           $if CHANNEL_TILE == 8:
             vout${ABC[C:C+8]} = vmax_u8(vout${ABC[C:C+8]}, voutput_min);
           $else:
             vout${ABC[C:C+8]} = vmax_u8(vout${ABC[C:C+8]}, vget_low_u8(voutput_min));

       $for C in range(0, CHANNEL_TILE, 16):
         $if C + 8 < CHANNEL_TILE:
           vout${ABC[C:C+16]} = vminq_u8(vout${ABC[C:C+16]}, voutput_max);
         $else:
           $if CHANNEL_TILE == 8:
             vout${ABC[C:C+8]} = vmin_u8(vout${ABC[C:C+8]}, voutput_max);
           $else:
             vout${ABC[C:C+8]} = vmin_u8(vout${ABC[C:C+8]}, vget_low_u8(voutput_max));

       $for C in range(0, CHANNEL_TILE, 16):
         $if C + 8 < CHANNEL_TILE:
           vst1q_u8(output, vout${ABC[C:C+16]}); output += 16;
         $else:
           vst1_u8(output, vout${ABC[C:C+8]}); output += 8;
     }
     if XNN_UNLIKELY(c != 0) {
       $if CHANNEL_TILE > 8:
         const uint8_t* k = (const uint8_t*) ((const int32_t*) w + ${CHANNEL_TILE});
       ${"do " if CHANNEL_TILE > 8 else ""}{
         int32x4_t vacc${ABC[0:4]} = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
         int32x4_t vacc${ABC[4:8]} = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);

         $for K in range(KERNEL_TILE):
           $if CHANNEL_TILE > 8:
             const int16x8_t vi${K}x${ABC[0:8]} = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(i${K}))); i${K} += 8;
           $else:
             const int16x8_t vi${K}x${ABC[0:8]} = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(i${K})));
           $if CHANNEL_TILE > 8:
             $if K == 0:
               const int16x8_t vk${K}x${ABC[0:8]} = vreinterpretq_s16_u16(vsubl_u8(vld1_u8(k), vkernel_zero_point)); k += 8;
             $else:
               const int16x8_t vk${K}x${ABC[0:8]} = vreinterpretq_s16_u16(vsubl_u8(vld1_u8((const void*) (k + ${K * CHANNEL_TILE - 8})), vkernel_zero_point));
           $else:
             $if K == 0:
               const int16x8_t vk${K}x${ABC[0:8]} = vreinterpretq_s16_u16(vsubl_u8(vld1_u8(w), vkernel_zero_point));
             $else:
               const int16x8_t vk${K}x${ABC[0:8]} = vreinterpretq_s16_u16(vsubl_u8(vld1_u8((const void*) ((const uint8_t*) w + ${K * CHANNEL_TILE})), vkernel_zero_point));

           vacc${ABC[0:4]} = vmlal_s16(vacc${ABC[0:4]}, vget_low_s16(vi${K}x${ABC[0:8]}), vget_low_s16(vk${K}x${ABC[0:8]}));
           vacc${ABC[4:8]} = vmlal_s16(vacc${ABC[4:8]}, vget_high_s16(vi${K}x${ABC[0:8]}), vget_high_s16(vk${K}x${ABC[0:8]}));

         vacc${ABC[0:4]} = vrshlq_s32(vacc${ABC[0:4]}, vright_pre_shift);
         vacc${ABC[4:8]} = vrshlq_s32(vacc${ABC[4:8]}, vright_pre_shift);

         vacc${ABC[0:4]} = vqdmulhq_s32(vacc${ABC[0:4]}, vmultiplier);
         vacc${ABC[4:8]} = vqdmulhq_s32(vacc${ABC[4:8]}, vmultiplier);

         vacc${ABC[0:4]} = vrshlq_s32(vacc${ABC[0:4]}, vright_post_shift);
         vacc${ABC[4:8]} = vrshlq_s32(vacc${ABC[4:8]}, vright_post_shift);

 #if XNN_ARCH_ARM64
         const int16x8_t vacc${ABC[0:8]} = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc${ABC[0:4]}), vacc${ABC[4:8]}), voutput_zero_point);
         uint8x8_t vout${ABC[0:8]} = vqmovun_s16(vacc${ABC[0:8]});
 #else
         const int16x8_t vacc${ABC[0:8]} = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc${ABC[0:4]}), vqmovn_s32(vacc${ABC[4:8]})), voutput_zero_point);
         uint8x8_t vout${ABC[0:8]} = vqmovun_s16(vacc${ABC[0:8]});
 #endif

         $if CHANNEL_TILE == 8:
           vout${ABC[0:8]} = vmax_u8(vout${ABC[0:8]}, voutput_min);
           vout${ABC[0:8]} = vmin_u8(vout${ABC[0:8]}, voutput_max);
         $else:
           vout${ABC[0:8]} = vmax_u8(vout${ABC[0:8]}, vget_low_u8(voutput_min));
           vout${ABC[0:8]} = vmin_u8(vout${ABC[0:8]}, vget_low_u8(voutput_max));

         $if CHANNEL_TILE > 8:
           if XNN_LIKELY(c >= 8) {
             vst1_u8(output, vout${ABC[0:8]}); output += 8;
             c -= 8;
           } else {
             if (c & 4) {
               vst1_lane_u32((void*) output, vreinterpret_u32_u8(vout${ABC[0:8]}), 0); output += 4;
               vout${ABC[0:8]} = vext_u8(vout${ABC[0:8]}, vout${ABC[0:8]}, 4);
             }
             if (c & 2) {
               vst1_lane_u16((void*) output, vreinterpret_u16_u8(vout${ABC[0:8]}), 0); output += 2;
               vout${ABC[0:8]} = vext_u8(vout${ABC[0:8]}, vout${ABC[0:8]}, 2);
             }
             if (c & 1) {
               vst1_lane_u8(output, vout${ABC[0:8]}, 0); output += 1;
             }
             c = 0;
           }
         $else:
           if (c & 4) {
             vst1_lane_u32((void*) output, vreinterpret_u32_u8(vout${ABC[0:8]}), 0); output += 4;
             vout${ABC[0:8]} = vext_u8(vout${ABC[0:8]}, vout${ABC[0:8]}, 4);
           }
           if (c & 2) {
             vst1_lane_u16((void*) output, vreinterpret_u16_u8(vout${ABC[0:8]}), 0); output += 2;
             vout${ABC[0:8]} = vext_u8(vout${ABC[0:8]}, vout${ABC[0:8]}, 2);
           }
           if (c & 1) {
             vst1_lane_u8(output, vout${ABC[0:8]}, 0); output += 1;
           }
       }${" while (c != 0);" if CHANNEL_TILE > 8 else ""}
     }

     output = (uint8_t*) ((uintptr_t) output + output_increment);
   } while (--output_width != 0);
 }
	// Copyright 2020 Google LLC
	//
	// This source code is licensed under the BSD-style license found in the
	// LICENSE file in the root directory of this source tree.

	$assert REQUANTIZATION == "RNDNU"
	$assert DATATYPE == "QU8"
	$ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
	$assert CHANNEL_TILE % 8 == 0
	$assert CHANNEL_TILE >= 8
	$assert KERNEL_TILE >= 2
	#include <assert.h>

	#include <arm_neon.h>

	#include <xnnpack/dwconv.h>


	void xnn_qu8_dwconv_minmax_rndnu_ukernel_up${CHANNEL_TILE}x${KERNEL_TILE}__neon_mul8(
	size_t channels,
	size_t output_width,
	const uint8_t** input,
	const void* weights,
	uint8_t* output,
	size_t input_stride,
	size_t output_increment,
	size_t input_offset,
	const uint8_t* zero,
	const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
	{
	assert(channels != 0);
	assert(output_width != 0);

	const uint8x8_t vkernel_zero_point = vld1_dup_u8(params->rndnu_neon.kernel_zero_point);
	const uint16x8_t vkernel_zero_point16 = vmovl_u8(vkernel_zero_point);
	const int32x4_t vright_pre_shift = vld1q_dup_s32(&params->rndnu_neon.right_pre_shift);
	const int32x4_t vmultiplier = vld1q_dup_s32(&params->rndnu_neon.multiplier);
	const int32x4_t vright_post_shift = vld1q_dup_s32(&params->rndnu_neon.right_post_shift);
	const int16x8_t voutput_zero_point = vld1q_dup_s16(&params->rndnu_neon.output_zero_point);
	$if CHANNEL_TILE == 8:
	const uint8x8_t voutput_min = vld1_dup_u8(&params->rndnu_neon.output_min);
	const uint8x8_t voutput_max = vld1_dup_u8(&params->rndnu_neon.output_max);
	$else:
	const uint8x16_t voutput_min = vld1q_dup_u8(&params->rndnu_neon.output_min);
	const uint8x16_t voutput_max = vld1q_dup_u8(&params->rndnu_neon.output_max);
	do {
	$for K in range(KERNEL_TILE):
	const uint8_t* i${K} = input[${K}];
	assert(i${K} != NULL);
	if XNN_UNPREDICTABLE(i${K} != zero) {
	i${K} = (const uint8_t*) ((uintptr_t) i${K} + input_offset);
	}
	input = (const uint8_t**) ((uintptr_t) input + input_stride);


	size_t c = channels;
	const void* w = weights;
	for (; c >= ${CHANNEL_TILE}; c -= ${CHANNEL_TILE}) {
	$for C in range(0, CHANNEL_TILE, 4):
	int32x4_t vacc${ABC[C:C+4]} = vld1q_s32(w); w = (const void) ((const int32_t) w + 4);


	$for K in range(KERNEL_TILE):
	$for C in range(0, CHANNEL_TILE, 8):
	const uint8x8_t vi${K}x${ABC[C:C+8]} = vld1_u8(i${K}); i${K} += 8;
	const uint8x8_t vk${K}x${ABC[C:C+8]} = vld1_u8(w); w = (const void) ((const int8_t) w + 8);

	$for C in range(0, CHANNEL_TILE, 8):
	$if K == 0:
	uint16x8_t vprod${ABC[C:C+8]} = vmull_u8(vi${K}x${ABC[C:C+8]}, vk${K}x${ABC[C:C+8]});
	$else:
	vprod${ABC[C:C+8]} = vmull_u8(vi${K}x${ABC[C:C+8]}, vk${K}x${ABC[C:C+8]});
	$if KERNEL_TILE == 1:
	uint16x8_t vsum${ABC[0:8]} = vmovl_u8(vi${K}x${ABC[0:8]});
	$if K == 1:
	uint16x8_t vsum${ABC[C:C+8]} = vaddl_u8(vi0x${ABC[C:C+8]}, vi1x${ABC[C:C+8]});
	$elif K > 1:
	vsum${ABC[C:C+8]} = vaddw_u8(vsum${ABC[C:C+8]}, vi${K}x${ABC[C:C+8]});

	$for C in range(0, CHANNEL_TILE, 8):
	vacc${ABC[C:C+4]} = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vacc${ABC[C:C+4]}), vget_low_u16(vprod${ABC[C:C+8]})));
	vacc${ABC[C+4:C+8]} = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vacc${ABC[C+4:C+8]}), vget_high_u16(vprod${ABC[C:C+8]})));

	$for C in range(0, CHANNEL_TILE, 8):
	vacc${ABC[C:C+4]} = vreinterpretq_s32_u32(vmlsl_u16(vreinterpretq_u32_s32(vacc${ABC[C:C+4]}), vget_low_u16(vsum${ABC[C:C+8]}), vget_low_u16(vkernel_zero_point16)));
	vacc${ABC[C+4:C+8]} = vreinterpretq_s32_u32(vmlsl_u16(vreinterpretq_u32_s32(vacc${ABC[C+4:C+8]}), vget_high_u16(vsum${ABC[C:C+8]}), vget_high_u16(vkernel_zero_point16)));

	$for C in range(0, CHANNEL_TILE, 4):
	vacc${ABC[C:C+4]} = vshlq_s32(vacc${ABC[C:C+4]}, vright_pre_shift);

	$for C in range(0, CHANNEL_TILE, 4):
	vacc${ABC[C:C+4]} = vqdmulhq_s32(vacc${ABC[C:C+4]}, vmultiplier);

	$for C in range(0, CHANNEL_TILE, 4):
	vacc${ABC[C:C+4]} = vrshlq_s32(vacc${ABC[C:C+4]}, vright_post_shift);

	#if XNN_ARCH_ARM64
	$for C in range(0, CHANNEL_TILE, 8):
	const int16x8_t vacc${ABC[C:C+8]} = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc${ABC[C:C+4]}), vacc${ABC[C+4:C+8]}), voutput_zero_point);

	$for C in range(0, CHANNEL_TILE, 16):
	$if C + 8 < CHANNEL_TILE:
	uint8x16_t vout${ABC[C:C+16]} = vqmovun_high_s16(vqmovun_s16(vacc${ABC[C:C+8]}), vacc${ABC[C+8:C+16]});
	$else:
	uint8x8_t vout${ABC[C:C+8]} = vqmovun_s16(vacc${ABC[C:C+8]});
	#else
	$for C in range(0, CHANNEL_TILE, 8):
	const int16x8_t vacc${ABC[C:C+8]} = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc${ABC[C:C+4]}), vqmovn_s32(vacc${ABC[C+4:C+8]})), voutput_zero_point);

	$for C in range(0, CHANNEL_TILE, 16):
	$if C + 8 < CHANNEL_TILE:
	uint8x16_t vout${ABC[C:C+16]} = vcombine_u8(vqmovun_s16(vacc${ABC[C:C+8]}), vqmovun_s16(vacc${ABC[C+8:C+16]}));
	$else:
	uint8x8_t vout${ABC[C:C+8]} = vqmovun_s16(vacc${ABC[C:C+8]});
	#endif

	$for C in range(0, CHANNEL_TILE, 16):
	$if C + 8 < CHANNEL_TILE:
	vout${ABC[C:C+16]} = vmaxq_u8(vout${ABC[C:C+16]}, voutput_min);
	$else:
	$if CHANNEL_TILE == 8:
	vout${ABC[C:C+8]} = vmax_u8(vout${ABC[C:C+8]}, voutput_min);
	$else:
	vout${ABC[C:C+8]} = vmax_u8(vout${ABC[C:C+8]}, vget_low_u8(voutput_min));

	$for C in range(0, CHANNEL_TILE, 16):
	$if C + 8 < CHANNEL_TILE:
	vout${ABC[C:C+16]} = vminq_u8(vout${ABC[C:C+16]}, voutput_max);
	$else:
	$if CHANNEL_TILE == 8:
	vout${ABC[C:C+8]} = vmin_u8(vout${ABC[C:C+8]}, voutput_max);
	$else:
	vout${ABC[C:C+8]} = vmin_u8(vout${ABC[C:C+8]}, vget_low_u8(voutput_max));

	$for C in range(0, CHANNEL_TILE, 16):
	$if C + 8 < CHANNEL_TILE:
	vst1q_u8(output, vout${ABC[C:C+16]}); output += 16;
	$else:
	vst1_u8(output, vout${ABC[C:C+8]}); output += 8;
	}
	if XNN_UNLIKELY(c != 0) {
	$if CHANNEL_TILE > 8:
	const uint8_t* k = (const uint8_t) ((const int32_t) w + ${CHANNEL_TILE});
	${"do " if CHANNEL_TILE > 8 else ""}{
	int32x4_t vacc${ABC[0:4]} = vld1q_s32(w); w = (const void) ((const int32_t) w + 4);
	int32x4_t vacc${ABC[4:8]} = vld1q_s32(w); w = (const void) ((const int32_t) w + 4);

	$for K in range(KERNEL_TILE):
	$if CHANNEL_TILE > 8:
	const int16x8_t vi${K}x${ABC[0:8]} = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(i${K}))); i${K} += 8;
	$else:
	const int16x8_t vi${K}x${ABC[0:8]} = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(i${K})));
	$if CHANNEL_TILE > 8:
	$if K == 0:
	const int16x8_t vk${K}x${ABC[0:8]} = vreinterpretq_s16_u16(vsubl_u8(vld1_u8(k), vkernel_zero_point)); k += 8;
	$else:
	const int16x8_t vk${K}x${ABC[0:8]} = vreinterpretq_s16_u16(vsubl_u8(vld1_u8((const void) (k + ${K CHANNEL_TILE - 8})), vkernel_zero_point));
	$else:
	$if K == 0:
	const int16x8_t vk${K}x${ABC[0:8]} = vreinterpretq_s16_u16(vsubl_u8(vld1_u8(w), vkernel_zero_point));
	$else:
	const int16x8_t vk${K}x${ABC[0:8]} = vreinterpretq_s16_u16(vsubl_u8(vld1_u8((const void) ((const uint8_t) w + ${K * CHANNEL_TILE})), vkernel_zero_point));

	vacc${ABC[0:4]} = vmlal_s16(vacc${ABC[0:4]}, vget_low_s16(vi${K}x${ABC[0:8]}), vget_low_s16(vk${K}x${ABC[0:8]}));
	vacc${ABC[4:8]} = vmlal_s16(vacc${ABC[4:8]}, vget_high_s16(vi${K}x${ABC[0:8]}), vget_high_s16(vk${K}x${ABC[0:8]}));

	vacc${ABC[0:4]} = vrshlq_s32(vacc${ABC[0:4]}, vright_pre_shift);
	vacc${ABC[4:8]} = vrshlq_s32(vacc${ABC[4:8]}, vright_pre_shift);

	vacc${ABC[0:4]} = vqdmulhq_s32(vacc${ABC[0:4]}, vmultiplier);
	vacc${ABC[4:8]} = vqdmulhq_s32(vacc${ABC[4:8]}, vmultiplier);

	vacc${ABC[0:4]} = vrshlq_s32(vacc${ABC[0:4]}, vright_post_shift);
	vacc${ABC[4:8]} = vrshlq_s32(vacc${ABC[4:8]}, vright_post_shift);

	#if XNN_ARCH_ARM64
	const int16x8_t vacc${ABC[0:8]} = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc${ABC[0:4]}), vacc${ABC[4:8]}), voutput_zero_point);
	uint8x8_t vout${ABC[0:8]} = vqmovun_s16(vacc${ABC[0:8]});
	#else
	const int16x8_t vacc${ABC[0:8]} = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc${ABC[0:4]}), vqmovn_s32(vacc${ABC[4:8]})), voutput_zero_point);
	uint8x8_t vout${ABC[0:8]} = vqmovun_s16(vacc${ABC[0:8]});
	#endif

	$if CHANNEL_TILE == 8:
	vout${ABC[0:8]} = vmax_u8(vout${ABC[0:8]}, voutput_min);
	vout${ABC[0:8]} = vmin_u8(vout${ABC[0:8]}, voutput_max);
	$else:
	vout${ABC[0:8]} = vmax_u8(vout${ABC[0:8]}, vget_low_u8(voutput_min));
	vout${ABC[0:8]} = vmin_u8(vout${ABC[0:8]}, vget_low_u8(voutput_max));

	$if CHANNEL_TILE > 8:
	if XNN_LIKELY(c >= 8) {
	vst1_u8(output, vout${ABC[0:8]}); output += 8;
	c -= 8;
	} else {
	if (c & 4) {
	vst1_lane_u32((void*) output, vreinterpret_u32_u8(vout${ABC[0:8]}), 0); output += 4;
	vout${ABC[0:8]} = vext_u8(vout${ABC[0:8]}, vout${ABC[0:8]}, 4);
	}
	if (c & 2) {
	vst1_lane_u16((void*) output, vreinterpret_u16_u8(vout${ABC[0:8]}), 0); output += 2;
	vout${ABC[0:8]} = vext_u8(vout${ABC[0:8]}, vout${ABC[0:8]}, 2);
	}
	if (c & 1) {
	vst1_lane_u8(output, vout${ABC[0:8]}, 0); output += 1;
	}
	c = 0;
	}
	$else:
	if (c & 4) {
	vst1_lane_u32((void*) output, vreinterpret_u32_u8(vout${ABC[0:8]}), 0); output += 4;
	vout${ABC[0:8]} = vext_u8(vout${ABC[0:8]}, vout${ABC[0:8]}, 4);
	}
	if (c & 2) {
	vst1_lane_u16((void*) output, vreinterpret_u16_u8(vout${ABC[0:8]}), 0); output += 2;
	vout${ABC[0:8]} = vext_u8(vout${ABC[0:8]}, vout${ABC[0:8]}, 2);
	}
	if (c & 1) {
	vst1_lane_u8(output, vout${ABC[0:8]}, 0); output += 1;
	}
	}${" while (c != 0);" if CHANNEL_TILE > 8 else ""}
	}

	output = (uint8_t*) ((uintptr_t) output + output_increment);
	} while (--output_width != 0);
	}