text: // Auto-generated file. Do not edit!
  //   Template: src/f16-igemm/neonfp16arith-ld64.c.in
  //   Generator: tools/xngen
  //
  // Copyright 2019 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/igemm.h>
  
  
  void xnn_f16_igemm_minmax_ukernel_1x16__neonfp16arith_ld64(
      size_t mr,
      size_t nc,
      size_t kc,
      size_t ks,
      const void** restrict a,
      const void* restrict w,
      void* restrict c,
      size_t cm_stride,
      size_t cn_stride,
      size_t a_offset,
      const void* zero,
      const struct xnn_f16_scaleminmax_params params[restrict XNN_MIN_ELEMENTS(1)])
  {
    assert(mr != 0);
    assert(mr <= 1);
    assert(nc != 0);
    assert(kc != 0);
    assert(kc % sizeof(__fp16) == 0);
    assert(ks != 0);
    assert(ks % (1 * sizeof(void*)) == 0);
    assert(a_offset % sizeof(__fp16) == 0);
    assert(a != NULL);
    assert(w != NULL);
    assert(c != NULL);
  
    __fp16* c0 = c;
  
    do {
      float16x8_t vacc0x01234567 = vld1q_f16(w); w = (const void*) ((uintptr_t) w + sizeof(float16x8_t));
      float16x8_t vacc0x89ABCDEF = vld1q_f16(w); w = (const void*) ((uintptr_t) w + sizeof(float16x8_t));
  
      size_t p = ks;
      do {
        const __fp16* restrict a0 = a[0];
        assert(a0 != NULL);
        if XNN_UNPREDICTABLE(a0 != zero) {
          a0 = (const __fp16*) ((uintptr_t) a0 + a_offset);
        }
        a += 1;
  
        size_t k = kc;
        for (; k >= 4 * sizeof(__fp16); k -= 4 * sizeof(__fp16)) {
          const float16x4_t va0 = vld1_f16(a0); a0 += 4;
  
          const float16x8_t vb01234567c0 = vld1q_f16(w); w = (const void*) ((uintptr_t) w + sizeof( float16x8_t));
          const float16x8_t vb89ABCDEFc0 = vld1q_f16(w); w = (const void*) ((uintptr_t) w + sizeof( float16x8_t));
  
          #if XNN_ARCH_ARM64
            vacc0x01234567 = vfmaq_lane_f16(vacc0x01234567, vb01234567c0, va0, 0);
            vacc0x89ABCDEF = vfmaq_lane_f16(vacc0x89ABCDEF, vb89ABCDEFc0, va0, 0);
          #else
            const float16x8_t va0c0 = vdupq_lane_f16(va0, 0);
  
            vacc0x01234567 = vfmaq_f16(vacc0x01234567, va0c0, vb01234567c0);
            vacc0x89ABCDEF = vfmaq_f16(vacc0x89ABCDEF, va0c0, vb89ABCDEFc0);
          #endif
          const float16x8_t vb01234567c1 = vld1q_f16(w); w = (const void*) ((uintptr_t) w + sizeof( float16x8_t));
          const float16x8_t vb89ABCDEFc1 = vld1q_f16(w); w = (const void*) ((uintptr_t) w + sizeof( float16x8_t));
  
          #if XNN_ARCH_ARM64
            vacc0x01234567 = vfmaq_lane_f16(vacc0x01234567, vb01234567c1, va0, 1);
            vacc0x89ABCDEF = vfmaq_lane_f16(vacc0x89ABCDEF, vb89ABCDEFc1, va0, 1);
          #else
            const float16x8_t va0c1 = vdupq_lane_f16(va0, 1);
  
            vacc0x01234567 = vfmaq_f16(vacc0x01234567, va0c1, vb01234567c1);
            vacc0x89ABCDEF = vfmaq_f16(vacc0x89ABCDEF, va0c1, vb89ABCDEFc1);
          #endif
          const float16x8_t vb01234567c2 = vld1q_f16(w); w = (const void*) ((uintptr_t) w + sizeof( float16x8_t));
          const float16x8_t vb89ABCDEFc2 = vld1q_f16(w); w = (const void*) ((uintptr_t) w + sizeof( float16x8_t));
  
          #if XNN_ARCH_ARM64
            vacc0x01234567 = vfmaq_lane_f16(vacc0x01234567, vb01234567c2, va0, 2);
            vacc0x89ABCDEF = vfmaq_lane_f16(vacc0x89ABCDEF, vb89ABCDEFc2, va0, 2);
          #else
            const float16x8_t va0c2 = vdupq_lane_f16(va0, 2);
  
            vacc0x01234567 = vfmaq_f16(vacc0x01234567, va0c2, vb01234567c2);
            vacc0x89ABCDEF = vfmaq_f16(vacc0x89ABCDEF, va0c2, vb89ABCDEFc2);
          #endif
          const float16x8_t vb01234567c3 = vld1q_f16(w); w = (const void*) ((uintptr_t) w + sizeof( float16x8_t));
          const float16x8_t vb89ABCDEFc3 = vld1q_f16(w); w = (const void*) ((uintptr_t) w + sizeof( float16x8_t));
  
          #if XNN_ARCH_ARM64
            vacc0x01234567 = vfmaq_lane_f16(vacc0x01234567, vb01234567c3, va0, 3);
            vacc0x89ABCDEF = vfmaq_lane_f16(vacc0x89ABCDEF, vb89ABCDEFc3, va0, 3);
          #else
            const float16x8_t va0c3 = vdupq_lane_f16(va0, 3);
  
            vacc0x01234567 = vfmaq_f16(vacc0x01234567, va0c3, vb01234567c3);
            vacc0x89ABCDEF = vfmaq_f16(vacc0x89ABCDEF, va0c3, vb89ABCDEFc3);
          #endif
        }
        if XNN_UNLIKELY(k != 0) {
          do {
            const float16x8_t va0 = vld1q_dup_f16(a0); a0 += 1;
  
            const float16x8_t vb01234567 = vld1q_f16(w); w = (const void*) ((uintptr_t) w + sizeof(float16x8_t));
            const float16x8_t vb89ABCDEF = vld1q_f16(w); w = (const void*) ((uintptr_t) w + sizeof(float16x8_t));
  
            vacc0x01234567 = vfmaq_f16(vacc0x01234567, va0, vb01234567);
            vacc0x89ABCDEF = vfmaq_f16(vacc0x89ABCDEF, va0, vb89ABCDEF);
  
            k -= sizeof(__fp16);
          } while (k != 0);
        }
        p -= 1 * sizeof(void*);
      } while (p != 0);
  
      const float16x8_t vscale = vld1q_dup_f16((const __fp16*) &params->scale);
      vacc0x01234567 = vmulq_f16(vacc0x01234567, vscale);
      vacc0x89ABCDEF = vmulq_f16(vacc0x89ABCDEF, vscale);
  
      const float16x8_t vmax = vld1q_dup_f16((const __fp16*) &params->max);
      vacc0x01234567 = vminq_f16(vacc0x01234567, vmax);
      vacc0x89ABCDEF = vminq_f16(vacc0x89ABCDEF, vmax);
  
      const float16x8_t vmin = vld1q_dup_f16((const __fp16*) &params->min);
      vacc0x01234567 = vmaxq_f16(vacc0x01234567, vmin);
      vacc0x89ABCDEF = vmaxq_f16(vacc0x89ABCDEF, vmin);
  
      if XNN_LIKELY(nc >= 16) {
        vst1q_f16(c0, vacc0x01234567);
        vst1q_f16(c0 + 8, vacc0x89ABCDEF);
        c0 = (__fp16*) ((uintptr_t) c0 + cn_stride);
  
        a = (const void**restrict) ((uintptr_t) a - ks);
        nc -= 16;
      } else {
        if (nc & 8) {
          vst1q_f16(c0, vacc0x01234567); c0 += 8;
  
          vacc0x01234567 = vacc0x89ABCDEF;
        }
        float16x4_t vacc0x0123 = vget_low_f16(vacc0x01234567);
        if (nc & 4) {
          vst1_f16(c0, vacc0x0123); c0 += 4;
  
          vacc0x0123 = vget_high_f16(vacc0x01234567);
        }
        if (nc & 2) {
          vst1_lane_u32(__builtin_assume_aligned(c0, 1), vreinterpret_u32_f16(vacc0x0123), 0); c0 += 2;
  
          vacc0x0123 = vext_f16(vacc0x0123, vacc0x0123, 2);
        }
        if (nc & 1) {
          vst1_lane_f16(c0, vacc0x0123, 0);
        }
  
        nc = 0;
      }
    } while (nc != 0);
  }
  