src/qs8-gemm/gen/2x16c2s4-minmax-rndnu-neon-mull.c - platform/external/XNNPACK - Gitiles

 // Auto-generated file. Do not edit!
 //   Template: src/qs8-gemm/c2-neon-mull-shuffle.c.in
 //   Generator: tools/xngen
 //
 // Copyright 2021 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.

 #include <assert.h>

 #include <arm_neon.h>

 #include <xnnpack/gemm.h>
 #include <xnnpack/math.h>


 void xnn_qs8_gemm_minmax_rndnu_ukernel_2x16c2s4__neon_mull(
     size_t mr,
     size_t nc,
     size_t kc,
     const int8_t* restrict a,
     size_t a_stride,
     const void* restrict w,
     int8_t* restrict c,
     size_t cm_stride,
     size_t cn_stride,
     const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
 {
   assert(mr != 0);
   assert(mr <= 2);
   assert(nc != 0);
   assert(kc != 0);
   assert(kc % sizeof(int8_t) == 0);
   assert(a != NULL);
   assert(w != NULL);
   assert(c != NULL);

   const int8_t* a0 = a;
   int8_t* c0 = c;
   const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
   int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
   if XNN_UNPREDICTABLE(mr != 2) {
     a1 = a0;
     c1 = c0;
   }

   kc = round_up_po2(kc, 8 * sizeof(int8_t));
   do {
     int32x4_t vacc0x0123 = vld1q_s32(w); w = (const int32_t*) w + 4;
     int32x4_t vacc0x4567 = vld1q_s32(w); w = (const int32_t*) w + 4;
     int32x4_t vacc0x89AB = vld1q_s32(w); w = (const int32_t*) w + 4;
     int32x4_t vacc0xCDEF = vld1q_s32(w); w = (const int32_t*) w + 4;
     int32x4_t vacc1x0123 = vacc0x0123;
     int32x4_t vacc1x4567 = vacc0x4567;
     int32x4_t vacc1x89AB = vacc0x89AB;
     int32x4_t vacc1xCDEF = vacc0xCDEF;

     size_t k = kc;
     do {
       int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
       int8x8_t va1x0 = vld1_s8(a1); a1 += 8;

       const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
       const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
       const int8x8_t vb89ABc0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
       const int8x8_t vbCDEFc0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
       const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
       const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
       const int8x8_t vb89ABc1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
       const int8x8_t vbCDEFc1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
       const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
       const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
       const int8x8_t vb89ABc2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
       const int8x8_t vbCDEFc2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
       const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const int8_t*) w + 8;
       const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const int8_t*) w + 8;
       const int8x8_t vb89ABc3x0 = vld1_s8(w); w = (const int8_t*) w + 8;
       const int8x8_t vbCDEFc3x0 = vld1_s8(w); w = (const int8_t*) w + 8;

       int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0x0);
       int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0x0, va1x0);
       vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
       vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
       int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0x0);
       int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0x0, va1x0);
       vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
       vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
       int16x8_t vprod0x89ABc0 = vmull_s8(vb89ABc0x0, va0x0);
       int16x8_t vprod1x89ABc0 = vmull_s8(vb89ABc0x0, va1x0);
       vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc0);
       vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc0);
       int16x8_t vprod0xCDEFc0 = vmull_s8(vbCDEFc0x0, va0x0);
       int16x8_t vprod1xCDEFc0 = vmull_s8(vbCDEFc0x0, va1x0);
       vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc0);
       vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc0);
       va0x0 = vext_s8(va0x0, va0x0, 2);
       va1x0 = vext_s8(va1x0, va1x0, 2);
       int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0x0);
       int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1x0, va1x0);
       vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
       vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
       int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0x0);
       int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1x0, va1x0);
       vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
       vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
       int16x8_t vprod0x89ABc1 = vmull_s8(vb89ABc1x0, va0x0);
       int16x8_t vprod1x89ABc1 = vmull_s8(vb89ABc1x0, va1x0);
       vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc1);
       vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc1);
       int16x8_t vprod0xCDEFc1 = vmull_s8(vbCDEFc1x0, va0x0);
       int16x8_t vprod1xCDEFc1 = vmull_s8(vbCDEFc1x0, va1x0);
       vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc1);
       vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc1);
       va0x0 = vext_s8(va0x0, va0x0, 2);
       va1x0 = vext_s8(va1x0, va1x0, 2);
       int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0x0);
       int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2x0, va1x0);
       vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
       vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
       int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0x0);
       int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2x0, va1x0);
       vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
       vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
       int16x8_t vprod0x89ABc2 = vmull_s8(vb89ABc2x0, va0x0);
       int16x8_t vprod1x89ABc2 = vmull_s8(vb89ABc2x0, va1x0);
       vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc2);
       vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc2);
       int16x8_t vprod0xCDEFc2 = vmull_s8(vbCDEFc2x0, va0x0);
       int16x8_t vprod1xCDEFc2 = vmull_s8(vbCDEFc2x0, va1x0);
       vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc2);
       vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc2);
       va0x0 = vext_s8(va0x0, va0x0, 2);
       va1x0 = vext_s8(va1x0, va1x0, 2);
       int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0x0);
       int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3x0, va1x0);
       vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
       vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
       int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0x0);
       int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3x0, va1x0);
       vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
       vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
       int16x8_t vprod0x89ABc3 = vmull_s8(vb89ABc3x0, va0x0);
       int16x8_t vprod1x89ABc3 = vmull_s8(vb89ABc3x0, va1x0);
       vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc3);
       vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc3);
       int16x8_t vprod0xCDEFc3 = vmull_s8(vbCDEFc3x0, va0x0);
       int16x8_t vprod1xCDEFc3 = vmull_s8(vbCDEFc3x0, va1x0);
       vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc3);
       vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc3);

       k -= 8 * sizeof(int8_t);
     } while (k != 0);

     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);

     vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
     vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
     vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
     vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
     vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
     vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
     vacc1x89AB = vqshlq_s32(vacc1x89AB, vright_pre_shift);
     vacc1xCDEF = vqshlq_s32(vacc1xCDEF, vright_pre_shift);

     vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
     vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
     vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
     vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
     vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
     vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
     vacc1x89AB = vqdmulhq_s32(vacc1x89AB, vmultiplier);
     vacc1xCDEF = vqdmulhq_s32(vacc1xCDEF, vmultiplier);

     vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
     vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
     vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
     vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
     vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
     vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
     vacc1x89AB = vrshlq_s32(vacc1x89AB, vright_post_shift);
     vacc1xCDEF = vrshlq_s32(vacc1xCDEF, vright_post_shift);

     const int16x8_t voutput_zero_point = vld1q_dup_s16(&params->rndnu_neon.output_zero_point);
 #if XNN_ARCH_ARM64
     int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
     int16x8_t vacc0x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF);
     int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
     int16x8_t vacc1x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc1x89AB), vacc1xCDEF);

     vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
     vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
     vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
     vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);

     int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
     int8x16_t vout1x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc1x01234567), vacc1x89ABCDEF);
 #else
     int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
     int16x8_t vacc0x89ABCDEF = vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF));
     int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
     int16x8_t vacc1x89ABCDEF = vcombine_s16(vqmovn_s32(vacc1x89AB), vqmovn_s32(vacc1xCDEF));

     vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
     vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
     vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
     vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);

     int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
     int8x16_t vout1x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc1x01234567), vqmovn_s16(vacc1x89ABCDEF));
 #endif

     const int8x16_t voutput_min = vld1q_dup_s8(&params->rndnu_neon.output_min);
     vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
     vout1x0123456789ABCDEF = vmaxq_s8(vout1x0123456789ABCDEF, voutput_min);

     const int8x16_t voutput_max = vld1q_dup_s8(&params->rndnu_neon.output_max);
     vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
     vout1x0123456789ABCDEF = vminq_s8(vout1x0123456789ABCDEF, voutput_max);

     if (nc >= 16) {
       vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
       vst1q_s8(c1 + 0, vout1x0123456789ABCDEF);

       c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
       c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);

       a0 = (const int8_t*) ((uintptr_t) a0 - kc);
       a1 = (const int8_t*) ((uintptr_t) a1 - kc);

       nc -= 16;
     } else {
       // Final case where not all of the 16 columns fit in the destination.
       int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vget_low_s8(vout0x0123456789ABCDEF), vget_low_s8(vout1x0123456789ABCDEF));
       if (nc & 8) {
         vst1_s8(c0, vget_low_s8(vout0x01234567_1x01234567)); c0 += 8;
         vst1_s8(c1, vget_high_s8(vout0x01234567_1x01234567)); c1 += 8;
         vout0x01234567_1x01234567 = vcombine_s8(vget_high_s8(vout0x0123456789ABCDEF), vget_high_s8(vout1x0123456789ABCDEF));
       }
       if (nc & 4) {
         vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
         vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
         vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
       }
       if (nc & 2) {
         vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
         vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
         vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
       }
       if (nc & 1) {
         vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
         vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
       }

       nc = 0;
     }
   } while (nc != 0);
 }
	// Auto-generated file. Do not edit!
	// Template: src/qs8-gemm/c2-neon-mull-shuffle.c.in
	// Generator: tools/xngen
	//
	// Copyright 2021 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.

	#include <assert.h>

	#include <arm_neon.h>

	#include <xnnpack/gemm.h>
	#include <xnnpack/math.h>


	void xnn_qs8_gemm_minmax_rndnu_ukernel_2x16c2s4__neon_mull(
	size_t mr,
	size_t nc,
	size_t kc,
	const int8_t* restrict a,
	size_t a_stride,
	const void* restrict w,
	int8_t* restrict c,
	size_t cm_stride,
	size_t cn_stride,
	const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
	{
	assert(mr != 0);
	assert(mr <= 2);
	assert(nc != 0);
	assert(kc != 0);
	assert(kc % sizeof(int8_t) == 0);
	assert(a != NULL);
	assert(w != NULL);
	assert(c != NULL);

	const int8_t* a0 = a;
	int8_t* c0 = c;
	const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
	int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
	if XNN_UNPREDICTABLE(mr != 2) {
	a1 = a0;
	c1 = c0;
	}

	kc = round_up_po2(kc, 8 * sizeof(int8_t));
	do {
	int32x4_t vacc0x0123 = vld1q_s32(w); w = (const int32_t*) w + 4;
	int32x4_t vacc0x4567 = vld1q_s32(w); w = (const int32_t*) w + 4;
	int32x4_t vacc0x89AB = vld1q_s32(w); w = (const int32_t*) w + 4;
	int32x4_t vacc0xCDEF = vld1q_s32(w); w = (const int32_t*) w + 4;
	int32x4_t vacc1x0123 = vacc0x0123;
	int32x4_t vacc1x4567 = vacc0x4567;
	int32x4_t vacc1x89AB = vacc0x89AB;
	int32x4_t vacc1xCDEF = vacc0xCDEF;

	size_t k = kc;
	do {
	int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
	int8x8_t va1x0 = vld1_s8(a1); a1 += 8;

	const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
	const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
	const int8x8_t vb89ABc0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
	const int8x8_t vbCDEFc0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
	const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
	const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
	const int8x8_t vb89ABc1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
	const int8x8_t vbCDEFc1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
	const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
	const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
	const int8x8_t vb89ABc2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
	const int8x8_t vbCDEFc2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
	const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const int8_t*) w + 8;
	const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const int8_t*) w + 8;
	const int8x8_t vb89ABc3x0 = vld1_s8(w); w = (const int8_t*) w + 8;
	const int8x8_t vbCDEFc3x0 = vld1_s8(w); w = (const int8_t*) w + 8;

	int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0x0);
	int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0x0, va1x0);
	vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
	vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
	int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0x0);
	int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0x0, va1x0);
	vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
	vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
	int16x8_t vprod0x89ABc0 = vmull_s8(vb89ABc0x0, va0x0);
	int16x8_t vprod1x89ABc0 = vmull_s8(vb89ABc0x0, va1x0);
	vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc0);
	vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc0);
	int16x8_t vprod0xCDEFc0 = vmull_s8(vbCDEFc0x0, va0x0);
	int16x8_t vprod1xCDEFc0 = vmull_s8(vbCDEFc0x0, va1x0);
	vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc0);
	vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc0);
	va0x0 = vext_s8(va0x0, va0x0, 2);
	va1x0 = vext_s8(va1x0, va1x0, 2);
	int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0x0);
	int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1x0, va1x0);
	vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
	vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
	int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0x0);
	int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1x0, va1x0);
	vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
	vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
	int16x8_t vprod0x89ABc1 = vmull_s8(vb89ABc1x0, va0x0);
	int16x8_t vprod1x89ABc1 = vmull_s8(vb89ABc1x0, va1x0);
	vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc1);
	vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc1);
	int16x8_t vprod0xCDEFc1 = vmull_s8(vbCDEFc1x0, va0x0);
	int16x8_t vprod1xCDEFc1 = vmull_s8(vbCDEFc1x0, va1x0);
	vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc1);
	vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc1);
	va0x0 = vext_s8(va0x0, va0x0, 2);
	va1x0 = vext_s8(va1x0, va1x0, 2);
	int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0x0);
	int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2x0, va1x0);
	vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
	vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
	int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0x0);
	int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2x0, va1x0);
	vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
	vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
	int16x8_t vprod0x89ABc2 = vmull_s8(vb89ABc2x0, va0x0);
	int16x8_t vprod1x89ABc2 = vmull_s8(vb89ABc2x0, va1x0);
	vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc2);
	vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc2);
	int16x8_t vprod0xCDEFc2 = vmull_s8(vbCDEFc2x0, va0x0);
	int16x8_t vprod1xCDEFc2 = vmull_s8(vbCDEFc2x0, va1x0);
	vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc2);
	vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc2);
	va0x0 = vext_s8(va0x0, va0x0, 2);
	va1x0 = vext_s8(va1x0, va1x0, 2);
	int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0x0);
	int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3x0, va1x0);
	vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
	vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
	int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0x0);
	int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3x0, va1x0);
	vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
	vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
	int16x8_t vprod0x89ABc3 = vmull_s8(vb89ABc3x0, va0x0);
	int16x8_t vprod1x89ABc3 = vmull_s8(vb89ABc3x0, va1x0);
	vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc3);
	vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc3);
	int16x8_t vprod0xCDEFc3 = vmull_s8(vbCDEFc3x0, va0x0);
	int16x8_t vprod1xCDEFc3 = vmull_s8(vbCDEFc3x0, va1x0);
	vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc3);
	vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc3);

	k -= 8 * sizeof(int8_t);
	} while (k != 0);

	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);

	vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
	vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
	vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
	vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
	vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
	vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
	vacc1x89AB = vqshlq_s32(vacc1x89AB, vright_pre_shift);
	vacc1xCDEF = vqshlq_s32(vacc1xCDEF, vright_pre_shift);

	vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
	vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
	vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
	vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
	vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
	vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
	vacc1x89AB = vqdmulhq_s32(vacc1x89AB, vmultiplier);
	vacc1xCDEF = vqdmulhq_s32(vacc1xCDEF, vmultiplier);

	vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
	vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
	vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
	vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
	vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
	vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
	vacc1x89AB = vrshlq_s32(vacc1x89AB, vright_post_shift);
	vacc1xCDEF = vrshlq_s32(vacc1xCDEF, vright_post_shift);

	const int16x8_t voutput_zero_point = vld1q_dup_s16(&params->rndnu_neon.output_zero_point);
	#if XNN_ARCH_ARM64
	int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
	int16x8_t vacc0x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF);
	int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
	int16x8_t vacc1x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc1x89AB), vacc1xCDEF);

	vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
	vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
	vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
	vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);

	int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
	int8x16_t vout1x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc1x01234567), vacc1x89ABCDEF);
	#else
	int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
	int16x8_t vacc0x89ABCDEF = vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF));
	int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
	int16x8_t vacc1x89ABCDEF = vcombine_s16(vqmovn_s32(vacc1x89AB), vqmovn_s32(vacc1xCDEF));

	vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
	vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
	vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
	vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);

	int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
	int8x16_t vout1x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc1x01234567), vqmovn_s16(vacc1x89ABCDEF));
	#endif

	const int8x16_t voutput_min = vld1q_dup_s8(&params->rndnu_neon.output_min);
	vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
	vout1x0123456789ABCDEF = vmaxq_s8(vout1x0123456789ABCDEF, voutput_min);

	const int8x16_t voutput_max = vld1q_dup_s8(&params->rndnu_neon.output_max);
	vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
	vout1x0123456789ABCDEF = vminq_s8(vout1x0123456789ABCDEF, voutput_max);

	if (nc >= 16) {
	vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
	vst1q_s8(c1 + 0, vout1x0123456789ABCDEF);

	c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
	c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);

	a0 = (const int8_t*) ((uintptr_t) a0 - kc);
	a1 = (const int8_t*) ((uintptr_t) a1 - kc);

	nc -= 16;
	} else {
	// Final case where not all of the 16 columns fit in the destination.
	int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vget_low_s8(vout0x0123456789ABCDEF), vget_low_s8(vout1x0123456789ABCDEF));
	if (nc & 8) {
	vst1_s8(c0, vget_low_s8(vout0x01234567_1x01234567)); c0 += 8;
	vst1_s8(c1, vget_high_s8(vout0x01234567_1x01234567)); c1 += 8;
	vout0x01234567_1x01234567 = vcombine_s8(vget_high_s8(vout0x0123456789ABCDEF), vget_high_s8(vout1x0123456789ABCDEF));
	}
	if (nc & 4) {
	vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
	vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
	vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
	}
	if (nc & 2) {
	vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
	vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
	vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
	}
	if (nc & 1) {
	vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
	vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
	}

	nc = 0;
	}
	} while (nc != 0);
	}