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#include <assert.h> |
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#include <arm_neon.h> |
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#include <xnnpack/gemm.h> |
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void xnn_bf16_gemm_minmax_ukernel_2x4c8__neonbf16_bfmlal( |
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size_t mr, |
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size_t nc, |
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size_t kc, |
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const void* restrict a, |
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size_t a_stride, |
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const void* restrict w_ptr, |
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void* restrict c, |
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size_t cm_stride, |
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size_t cn_stride, |
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const union xnn_bf16_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) |
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{ |
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assert(mr != 0); |
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assert(mr <= 2); |
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assert(nc != 0); |
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assert(kc != 0); |
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assert(kc % sizeof(bfloat16_t) == 0); |
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assert(a != NULL); |
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assert(w_ptr != NULL); |
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assert(c != NULL); |
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const bfloat16_t* a0 = (const bfloat16_t*) a; |
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bfloat16_t* c0 = (bfloat16_t*) c; |
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const bfloat16_t* a1 = (const bfloat16_t*) ((uintptr_t) a0 + a_stride); |
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bfloat16_t* c1 = (bfloat16_t*) ((uintptr_t) c0 + cm_stride); |
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if XNN_UNPREDICTABLE(mr != 2) { |
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a1 = a0; |
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c1 = c0; |
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} |
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const bfloat16_t* w = (const bfloat16_t*) w_ptr; |
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do { |
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float32x4_t vacc0x0 = vcvt_f32_bf16(vld1_lane_bf16(w, vreinterpret_bf16_u16(vdup_n_u16(0)), 0)); w += 1; |
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float32x4_t vacc0x1 = vcvt_f32_bf16(vld1_lane_bf16(w, vreinterpret_bf16_u16(vdup_n_u16(0)), 0)); w += 1; |
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float32x4_t vacc0x2 = vcvt_f32_bf16(vld1_lane_bf16(w, vreinterpret_bf16_u16(vdup_n_u16(0)), 0)); w += 1; |
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float32x4_t vacc0x3 = vcvt_f32_bf16(vld1_lane_bf16(w, vreinterpret_bf16_u16(vdup_n_u16(0)), 0)); w += 1; |
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float32x4_t vacc1x0 = vacc0x0; |
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float32x4_t vacc1x1 = vacc0x1; |
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float32x4_t vacc1x2 = vacc0x2; |
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float32x4_t vacc1x3 = vacc0x3; |
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size_t k = kc; |
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for (; k >= 8 * sizeof(bfloat16_t); k -= 8 * sizeof(bfloat16_t)) { |
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const bfloat16x8_t va0 = vld1q_bf16(a0); a0 += 8; |
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const bfloat16x8_t va1 = vld1q_bf16(a1); a1 += 8; |
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const bfloat16x8_t vb0 = vld1q_bf16(w); w += 8; |
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const bfloat16x8_t vb1 = vld1q_bf16(w); w += 8; |
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const bfloat16x8_t vb2 = vld1q_bf16(w); w += 8; |
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const bfloat16x8_t vb3 = vld1q_bf16(w); w += 8; |
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vacc0x0 = vbfmlalbq_f32(vacc0x0, va0, vb0); |
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vacc1x0 = vbfmlalbq_f32(vacc1x0, va1, vb0); |
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vacc0x1 = vbfmlalbq_f32(vacc0x1, va0, vb1); |
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vacc1x1 = vbfmlalbq_f32(vacc1x1, va1, vb1); |
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vacc0x2 = vbfmlalbq_f32(vacc0x2, va0, vb2); |
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vacc1x2 = vbfmlalbq_f32(vacc1x2, va1, vb2); |
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vacc0x3 = vbfmlalbq_f32(vacc0x3, va0, vb3); |
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vacc1x3 = vbfmlalbq_f32(vacc1x3, va1, vb3); |
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vacc0x0 = vbfmlaltq_f32(vacc0x0, va0, vb0); |
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vacc1x0 = vbfmlaltq_f32(vacc1x0, va1, vb0); |
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vacc0x1 = vbfmlaltq_f32(vacc0x1, va0, vb1); |
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vacc1x1 = vbfmlaltq_f32(vacc1x1, va1, vb1); |
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vacc0x2 = vbfmlaltq_f32(vacc0x2, va0, vb2); |
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vacc1x2 = vbfmlaltq_f32(vacc1x2, va1, vb2); |
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vacc0x3 = vbfmlaltq_f32(vacc0x3, va0, vb3); |
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vacc1x3 = vbfmlaltq_f32(vacc1x3, va1, vb3); |
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} |
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if XNN_UNLIKELY(k != 0) { |
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const bfloat16x8_t va0 = vld1q_bf16(a0); a0 = (const bfloat16_t*) ((uintptr_t) a0 + k); |
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const bfloat16x8_t va1 = vld1q_bf16(a1); a1 = (const bfloat16_t*) ((uintptr_t) a1 + k); |
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const bfloat16x8_t vb0 = vld1q_bf16(w); w += 8; |
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const bfloat16x8_t vb1 = vld1q_bf16(w); w += 8; |
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const bfloat16x8_t vb2 = vld1q_bf16(w); w += 8; |
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const bfloat16x8_t vb3 = vld1q_bf16(w); w += 8; |
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const uint16x8_t vm0 = vceqq_u16(vreinterpretq_u16_bf16(vb0), vmovq_n_u16(0)); |
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const uint16x8_t vm1 = vceqq_u16(vreinterpretq_u16_bf16(vb1), vmovq_n_u16(0)); |
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const uint16x8_t vm2 = vceqq_u16(vreinterpretq_u16_bf16(vb2), vmovq_n_u16(0)); |
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const uint16x8_t vm3 = vceqq_u16(vreinterpretq_u16_bf16(vb3), vmovq_n_u16(0)); |
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const bfloat16x8_t va0x0 = vreinterpretq_bf16_u16(vbicq_u16(vreinterpretq_u16_bf16(va0), vm0)); |
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vacc0x0 = vbfmlalbq_f32(vacc0x0, va0x0, vb0); |
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vacc0x0 = vbfmlaltq_f32(vacc0x0, va0x0, vb0); |
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const bfloat16x8_t va1x0 = vreinterpretq_bf16_u16(vbicq_u16(vreinterpretq_u16_bf16(va1), vm0)); |
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vacc1x0 = vbfmlalbq_f32(vacc1x0, va1x0, vb0); |
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vacc1x0 = vbfmlaltq_f32(vacc1x0, va1x0, vb0); |
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const bfloat16x8_t va0x1 = vreinterpretq_bf16_u16(vbicq_u16(vreinterpretq_u16_bf16(va0), vm1)); |
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vacc0x1 = vbfmlalbq_f32(vacc0x1, va0x1, vb1); |
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vacc0x1 = vbfmlaltq_f32(vacc0x1, va0x1, vb1); |
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const bfloat16x8_t va1x1 = vreinterpretq_bf16_u16(vbicq_u16(vreinterpretq_u16_bf16(va1), vm1)); |
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vacc1x1 = vbfmlalbq_f32(vacc1x1, va1x1, vb1); |
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vacc1x1 = vbfmlaltq_f32(vacc1x1, va1x1, vb1); |
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const bfloat16x8_t va0x2 = vreinterpretq_bf16_u16(vbicq_u16(vreinterpretq_u16_bf16(va0), vm2)); |
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vacc0x2 = vbfmlalbq_f32(vacc0x2, va0x2, vb2); |
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vacc0x2 = vbfmlaltq_f32(vacc0x2, va0x2, vb2); |
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const bfloat16x8_t va1x2 = vreinterpretq_bf16_u16(vbicq_u16(vreinterpretq_u16_bf16(va1), vm2)); |
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vacc1x2 = vbfmlalbq_f32(vacc1x2, va1x2, vb2); |
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vacc1x2 = vbfmlaltq_f32(vacc1x2, va1x2, vb2); |
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const bfloat16x8_t va0x3 = vreinterpretq_bf16_u16(vbicq_u16(vreinterpretq_u16_bf16(va0), vm3)); |
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vacc0x3 = vbfmlalbq_f32(vacc0x3, va0x3, vb3); |
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vacc0x3 = vbfmlaltq_f32(vacc0x3, va0x3, vb3); |
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const bfloat16x8_t va1x3 = vreinterpretq_bf16_u16(vbicq_u16(vreinterpretq_u16_bf16(va1), vm3)); |
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vacc1x3 = vbfmlalbq_f32(vacc1x3, va1x3, vb3); |
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vacc1x3 = vbfmlaltq_f32(vacc1x3, va1x3, vb3); |
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} |
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#if XNN_ARCH_ARM64 |
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const float32x4_t vacc0x01 = vpaddq_f32(vacc0x0, vacc0x1); |
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const float32x4_t vacc1x01 = vpaddq_f32(vacc1x0, vacc1x1); |
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const float32x4_t vacc0x23 = vpaddq_f32(vacc0x2, vacc0x3); |
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const float32x4_t vacc1x23 = vpaddq_f32(vacc1x2, vacc1x3); |
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float32x4_t vacc0x0123 = vpaddq_f32(vacc0x01, vacc0x23); |
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float32x4_t vacc1x0123 = vpaddq_f32(vacc1x01, vacc1x23); |
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#else |
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const float32x2_t vsum0x0 = vadd_f32(vget_low_f32(vacc0x0), vget_high_f32(vacc0x0)); |
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const float32x2_t vsum1x0 = vadd_f32(vget_low_f32(vacc1x0), vget_high_f32(vacc1x0)); |
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const float32x2_t vsum0x1 = vadd_f32(vget_low_f32(vacc0x1), vget_high_f32(vacc0x1)); |
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const float32x2_t vsum1x1 = vadd_f32(vget_low_f32(vacc1x1), vget_high_f32(vacc1x1)); |
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const float32x2_t vsum0x2 = vadd_f32(vget_low_f32(vacc0x2), vget_high_f32(vacc0x2)); |
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const float32x2_t vsum1x2 = vadd_f32(vget_low_f32(vacc1x2), vget_high_f32(vacc1x2)); |
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const float32x2_t vsum0x3 = vadd_f32(vget_low_f32(vacc0x3), vget_high_f32(vacc0x3)); |
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const float32x2_t vsum1x3 = vadd_f32(vget_low_f32(vacc1x3), vget_high_f32(vacc1x3)); |
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float32x4_t vacc0x0123 = vcombine_f32(vpadd_f32(vsum0x0, vsum0x1), vpadd_f32(vsum0x2, vsum0x3)); |
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float32x4_t vacc1x0123 = vcombine_f32(vpadd_f32(vsum1x0, vsum1x1), vpadd_f32(vsum1x2, vsum1x3)); |
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#endif |
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const float32x4_t vmax = vld1q_dup_f32(¶ms->scalar.max); |
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vacc0x0123 = vminq_f32(vacc0x0123, vmax); |
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vacc1x0123 = vminq_f32(vacc1x0123, vmax); |
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const float32x4_t vmin = vld1q_dup_f32(¶ms->scalar.min); |
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vacc0x0123 = vmaxq_f32(vacc0x0123, vmin); |
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vacc1x0123 = vmaxq_f32(vacc1x0123, vmin); |
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bfloat16x4_t vout0x0123 = vcvt_bf16_f32(vacc0x0123); |
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bfloat16x4_t vout1x0123 = vcvt_bf16_f32(vacc1x0123); |
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if XNN_LIKELY(nc >= 4) { |
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vst1_bf16(c0, vout0x0123); |
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c0 = (bfloat16_t*) ((uintptr_t) c0 + cn_stride); |
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vst1_bf16(c1, vout1x0123); |
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c1 = (bfloat16_t*) ((uintptr_t) c1 + cn_stride); |
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a0 = (const bfloat16_t*) ((uintptr_t) a0 - kc); |
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a1 = (const bfloat16_t*) ((uintptr_t) a1 - kc); |
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nc -= 4; |
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} else { |
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if (nc & 2) { |
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vst1_lane_u32((void*) c0, vreinterpret_u32_bf16(vout0x0123), 0); c0 += 2; |
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vst1_lane_u32((void*) c1, vreinterpret_u32_bf16(vout1x0123), 0); c1 += 2; |
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vout0x0123 = vreinterpret_bf16_u16(vext_u16(vreinterpret_u16_bf16(vout0x0123), vreinterpret_u16_bf16(vout0x0123), 2)); |
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vout1x0123 = vreinterpret_bf16_u16(vext_u16(vreinterpret_u16_bf16(vout1x0123), vreinterpret_u16_bf16(vout1x0123), 2)); |
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} |
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if (nc & 1) { |
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vst1_lane_bf16(c0, vout0x0123, 0); |
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vst1_lane_bf16(c1, vout1x0123, 0); |
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} |
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nc = 0; |
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} |
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} while (nc != 0); |
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} |
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