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// Auto-generated file. Do not edit!
// Template: src/bf16-gemm/c8-neon-shland.c.in
// Generator: tools/xngen
//
// Copyright 2022 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>
void xnn_bf16_gemm_minmax_ukernel_1x4c8__neonfma_shland(
size_t mr,
size_t nc,
size_t kc,
const void* restrict a,
size_t a_stride,
const void* restrict w_ptr,
void* restrict c,
size_t cm_stride,
size_t cn_stride,
const union xnn_bf16_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
{
assert(mr != 0);
assert(mr <= 1);
assert(nc != 0);
assert(kc != 0);
assert(kc % sizeof(uint16_t) == 0);
assert(a != NULL);
assert(w_ptr != NULL);
assert(c != NULL);
const uint16_t* a0 = (const uint16_t*) a;
uint16_t* c0 = (uint16_t*) c;
const uint16_t* w = (const uint16_t*) w_ptr;
const uint16x8_t vmask = vreinterpretq_u16_u32(vmovq_n_u32(UINT32_C(0xFFFF0000)));
do {
float32x4_t vacc0x0 = vreinterpretq_f32_u32(vshll_n_u16(vld1_lane_u16(w, vdup_n_u16(0), 0), 16)); w += 1;
float32x4_t vacc0x1 = vreinterpretq_f32_u32(vshll_n_u16(vld1_lane_u16(w, vdup_n_u16(0), 0), 16)); w += 1;
float32x4_t vacc0x2 = vreinterpretq_f32_u32(vshll_n_u16(vld1_lane_u16(w, vdup_n_u16(0), 0), 16)); w += 1;
float32x4_t vacc0x3 = vreinterpretq_f32_u32(vshll_n_u16(vld1_lane_u16(w, vdup_n_u16(0), 0), 16)); w += 1;
size_t k = kc;
for (; k >= 8 * sizeof(uint16_t); k -= 8 * sizeof(uint16_t)) {
const uint16x8_t va0 = vld1q_u16(a0); a0 += 8;
const uint16x8_t vb0 = vld1q_u16(w); w += 8;
const uint16x8_t vb1 = vld1q_u16(w); w += 8;
const uint16x8_t vb2 = vld1q_u16(w); w += 8;
const uint16x8_t vb3 = vld1q_u16(w); w += 8;
const float32x4_t va0e = vreinterpretq_f32_u32(vshlq_n_u32(vreinterpretq_u32_u16(va0), 16));
const float32x4_t vb0e = vreinterpretq_f32_u32(vshlq_n_u32(vreinterpretq_u32_u16(vb0), 16));
const float32x4_t vb1e = vreinterpretq_f32_u32(vshlq_n_u32(vreinterpretq_u32_u16(vb1), 16));
const float32x4_t vb2e = vreinterpretq_f32_u32(vshlq_n_u32(vreinterpretq_u32_u16(vb2), 16));
const float32x4_t vb3e = vreinterpretq_f32_u32(vshlq_n_u32(vreinterpretq_u32_u16(vb3), 16));
vacc0x0 = vfmaq_f32(vacc0x0, va0e, vb0e);
vacc0x1 = vfmaq_f32(vacc0x1, va0e, vb1e);
vacc0x2 = vfmaq_f32(vacc0x2, va0e, vb2e);
vacc0x3 = vfmaq_f32(vacc0x3, va0e, vb3e);
const float32x4_t va0o = vreinterpretq_f32_u16(vandq_u16(va0, vmask));
const float32x4_t vb0o = vreinterpretq_f32_u16(vandq_u16(vb0, vmask));
const float32x4_t vb1o = vreinterpretq_f32_u16(vandq_u16(vb1, vmask));
const float32x4_t vb2o = vreinterpretq_f32_u16(vandq_u16(vb2, vmask));
const float32x4_t vb3o = vreinterpretq_f32_u16(vandq_u16(vb3, vmask));
vacc0x0 = vfmaq_f32(vacc0x0, va0o, vb0o);
vacc0x1 = vfmaq_f32(vacc0x1, va0o, vb1o);
vacc0x2 = vfmaq_f32(vacc0x2, va0o, vb2o);
vacc0x3 = vfmaq_f32(vacc0x3, va0o, vb3o);
}
if XNN_UNLIKELY(k != 0) {
const uint16x8_t va0 = vld1q_u16(a0); a0 = (const uint16_t*) ((uintptr_t) a0 + k);
const uint16x8_t vb0 = vld1q_u16(w); w += 8;
const uint16x8_t vb1 = vld1q_u16(w); w += 8;
const uint16x8_t vb2 = vld1q_u16(w); w += 8;
const uint16x8_t vb3 = vld1q_u16(w); w += 8;
const uint16x8_t vm0 = vceqq_u16(vb0, vmovq_n_u16(0));
const uint16x8_t vm1 = vceqq_u16(vb1, vmovq_n_u16(0));
const uint16x8_t vm2 = vceqq_u16(vb2, vmovq_n_u16(0));
const uint16x8_t vm3 = vceqq_u16(vb3, vmovq_n_u16(0));
const float32x4_t vb0e = vreinterpretq_f32_u32(vshlq_n_u32(vreinterpretq_u32_u16(vb0), 16));
const float32x4_t vb1e = vreinterpretq_f32_u32(vshlq_n_u32(vreinterpretq_u32_u16(vb1), 16));
const float32x4_t vb2e = vreinterpretq_f32_u32(vshlq_n_u32(vreinterpretq_u32_u16(vb2), 16));
const float32x4_t vb3e = vreinterpretq_f32_u32(vshlq_n_u32(vreinterpretq_u32_u16(vb3), 16));
const uint16x8_t va0x0 = vbicq_u16(va0, vm0);
const uint16x8_t va0x1 = vbicq_u16(va0, vm1);
const uint16x8_t va0x2 = vbicq_u16(va0, vm2);
const uint16x8_t va0x3 = vbicq_u16(va0, vm3);
const float32x4_t va0x0e = vreinterpretq_f32_u32(vshlq_n_u32(vreinterpretq_u32_u16(va0x0), 16));
const float32x4_t va0x1e = vreinterpretq_f32_u32(vshlq_n_u32(vreinterpretq_u32_u16(va0x1), 16));
const float32x4_t va0x2e = vreinterpretq_f32_u32(vshlq_n_u32(vreinterpretq_u32_u16(va0x2), 16));
const float32x4_t va0x3e = vreinterpretq_f32_u32(vshlq_n_u32(vreinterpretq_u32_u16(va0x3), 16));
vacc0x0 = vfmaq_f32(vacc0x0, va0x0e, vb0e);
vacc0x1 = vfmaq_f32(vacc0x1, va0x1e, vb1e);
vacc0x2 = vfmaq_f32(vacc0x2, va0x2e, vb2e);
vacc0x3 = vfmaq_f32(vacc0x3, va0x3e, vb3e);
const float32x4_t vb0o = vreinterpretq_f32_u16(vandq_u16(vb0, vmask));
const float32x4_t vb1o = vreinterpretq_f32_u16(vandq_u16(vb1, vmask));
const float32x4_t vb2o = vreinterpretq_f32_u16(vandq_u16(vb2, vmask));
const float32x4_t vb3o = vreinterpretq_f32_u16(vandq_u16(vb3, vmask));
const float32x4_t va0x0o = vreinterpretq_f32_u16(vandq_u16(va0x0, vmask));
const float32x4_t va0x1o = vreinterpretq_f32_u16(vandq_u16(va0x1, vmask));
const float32x4_t va0x2o = vreinterpretq_f32_u16(vandq_u16(va0x2, vmask));
const float32x4_t va0x3o = vreinterpretq_f32_u16(vandq_u16(va0x3, vmask));
vacc0x0 = vfmaq_f32(vacc0x0, va0x0o, vb0o);
vacc0x1 = vfmaq_f32(vacc0x1, va0x1o, vb1o);
vacc0x2 = vfmaq_f32(vacc0x2, va0x2o, vb2o);
vacc0x3 = vfmaq_f32(vacc0x3, va0x3o, vb3o);
}
#if XNN_ARCH_ARM64
const float32x4_t vacc0x01 = vpaddq_f32(vacc0x0, vacc0x1);
const float32x4_t vacc0x23 = vpaddq_f32(vacc0x2, vacc0x3);
float32x4_t vacc0x0123 = vpaddq_f32(vacc0x01, vacc0x23);
#else
const float32x2_t vsum0x0 = vadd_f32(vget_low_f32(vacc0x0), vget_high_f32(vacc0x0));
const float32x2_t vsum0x1 = vadd_f32(vget_low_f32(vacc0x1), vget_high_f32(vacc0x1));
const float32x2_t vsum0x2 = vadd_f32(vget_low_f32(vacc0x2), vget_high_f32(vacc0x2));
const float32x2_t vsum0x3 = vadd_f32(vget_low_f32(vacc0x3), vget_high_f32(vacc0x3));
float32x4_t vacc0x0123 = vcombine_f32(vpadd_f32(vsum0x0, vsum0x1), vpadd_f32(vsum0x2, vsum0x3));
#endif
const float32x4_t vmax = vld1q_dup_f32(¶ms->scalar.max);
vacc0x0123 = vminq_f32(vacc0x0123, vmax);
const float32x4_t vmin = vld1q_dup_f32(¶ms->scalar.min);
vacc0x0123 = vmaxq_f32(vacc0x0123, vmin);
uint16x4_t vout0x0123 = vshrn_n_u32(vreinterpretq_u32_f32(vacc0x0123), 16);
if XNN_LIKELY(nc >= 4) {
vst1_u16(c0, vout0x0123);
c0 = (uint16_t*) ((uintptr_t) c0 + cn_stride);
a0 = (const uint16_t*) ((uintptr_t) a0 - kc);
nc -= 4;
} else {
if (nc & 2) {
vst1_lane_u32((void*) c0, vreinterpret_u32_u16(vout0x0123), 0); c0 += 2;
vout0x0123 = vext_u16(vout0x0123, vout0x0123, 2);
}
if (nc & 1) {
vst1_lane_u16(c0, vout0x0123, 0);
}
nc = 0;
}
} while (nc != 0);
}
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