| // Auto-generated file. Do not edit! |
| // Template: src/f32-gemm/MRx2-neon-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/gemm.h> |
| |
| |
| void xnn_f32_gemm_ukernel_4x2__neon_ld64( |
| size_t mr, |
| size_t nc, |
| size_t kc, |
| const float* restrict a, |
| size_t a_stride, |
| const float*restrict w, |
| float*restrict c, |
| size_t cm_stride, |
| size_t cn_stride, |
| const union xnn_f32_output_params params[restrict static 1]) |
| { |
| assert(mr != 0); |
| assert(mr <= 4); |
| assert(nc != 0); |
| assert(kc != 0); |
| assert(kc % sizeof(float) == 0); |
| assert(a != NULL); |
| assert(w != NULL); |
| assert(c != NULL); |
| |
| const float* a0 = a; |
| float* c0 = c; |
| const float* a1 = (const float*) ((uintptr_t) a0 + a_stride); |
| float* c1 = (float*) ((uintptr_t) c0 + cm_stride); |
| if XNN_UNPREDICTABLE(mr < 2) { |
| a1 = a0; |
| c1 = c0; |
| } |
| const float* a2 = (const float*) ((uintptr_t) a1 + a_stride); |
| float* c2 = (float*) ((uintptr_t) c1 + cm_stride); |
| if XNN_UNPREDICTABLE(mr <= 2) { |
| a2 = a1; |
| c2 = c1; |
| } |
| const float* a3 = (const float*) ((uintptr_t) a2 + a_stride); |
| float* c3 = (float*) ((uintptr_t) c2 + cm_stride); |
| if XNN_UNPREDICTABLE(mr != 4) { |
| a3 = a2; |
| c3 = c2; |
| } |
| |
| do { |
| float32x2_t vacc0x01 = vld1_f32(w); w += 2; |
| float32x2_t vacc1x01 = vacc0x01; |
| float32x2_t vacc2x01 = vacc0x01; |
| float32x2_t vacc3x01 = vacc0x01; |
| |
| size_t k = kc; |
| for (; k >= 2 * sizeof(float); k -= 2 * sizeof(float)) { |
| const float32x2_t va0 = vld1_f32(a0); a0 += 2; |
| const float32x2_t va1 = vld1_f32(a1); a1 += 2; |
| const float32x2_t va2 = vld1_f32(a2); a2 += 2; |
| const float32x2_t va3 = vld1_f32(a3); a3 += 2; |
| |
| const float32x2_t vb01c0 = vld1_f32(w); w += 2; |
| |
| vacc0x01 = vmla_lane_f32(vacc0x01, vb01c0, va0, 0); |
| vacc1x01 = vmla_lane_f32(vacc1x01, vb01c0, va1, 0); |
| vacc2x01 = vmla_lane_f32(vacc2x01, vb01c0, va2, 0); |
| vacc3x01 = vmla_lane_f32(vacc3x01, vb01c0, va3, 0); |
| const float32x2_t vb01c1 = vld1_f32(w); w += 2; |
| |
| vacc0x01 = vmla_lane_f32(vacc0x01, vb01c1, va0, 1); |
| vacc1x01 = vmla_lane_f32(vacc1x01, vb01c1, va1, 1); |
| vacc2x01 = vmla_lane_f32(vacc2x01, vb01c1, va2, 1); |
| vacc3x01 = vmla_lane_f32(vacc3x01, vb01c1, va3, 1); |
| } |
| if XNN_UNLIKELY(k != 0) { |
| const float32x2_t va0 = vld1_dup_f32(a0); a0 += 1; |
| const float32x2_t va1 = vld1_dup_f32(a1); a1 += 1; |
| const float32x2_t va2 = vld1_dup_f32(a2); a2 += 1; |
| const float32x2_t va3 = vld1_dup_f32(a3); a3 += 1; |
| |
| const float32x2_t vb01 = vld1_f32(w); w += 2; |
| |
| vacc0x01 = vmla_f32(vacc0x01, va0, vb01); |
| vacc1x01 = vmla_f32(vacc1x01, va1, vb01); |
| vacc2x01 = vmla_f32(vacc2x01, va2, vb01); |
| vacc3x01 = vmla_f32(vacc3x01, va3, vb01); |
| } |
| |
| const float32x2_t vmax = vld1_dup_f32(¶ms->scalar.max); |
| vacc0x01 = vmin_f32(vacc0x01, vmax); |
| vacc1x01 = vmin_f32(vacc1x01, vmax); |
| vacc2x01 = vmin_f32(vacc2x01, vmax); |
| vacc3x01 = vmin_f32(vacc3x01, vmax); |
| |
| const float32x2_t vmin = vld1_dup_f32(¶ms->scalar.min); |
| vacc0x01 = vmax_f32(vacc0x01, vmin); |
| vacc1x01 = vmax_f32(vacc1x01, vmin); |
| vacc2x01 = vmax_f32(vacc2x01, vmin); |
| vacc3x01 = vmax_f32(vacc3x01, vmin); |
| |
| if XNN_LIKELY(nc >= 2) { |
| vst1_f32(c0, vacc0x01); |
| c0 = (float*) ((uintptr_t) c0 + cn_stride); |
| vst1_f32(c1, vacc1x01); |
| c1 = (float*) ((uintptr_t) c1 + cn_stride); |
| vst1_f32(c2, vacc2x01); |
| c2 = (float*) ((uintptr_t) c2 + cn_stride); |
| vst1_f32(c3, vacc3x01); |
| c3 = (float*) ((uintptr_t) c3 + cn_stride); |
| |
| a0 = (const float*) ((uintptr_t) a0 - kc); |
| a1 = (const float*) ((uintptr_t) a1 - kc); |
| a2 = (const float*) ((uintptr_t) a2 - kc); |
| a3 = (const float*) ((uintptr_t) a3 - kc); |
| |
| nc -= 2; |
| } else { |
| assert(nc == 1); |
| vst1_lane_f32(c0, vacc0x01, 0); |
| vst1_lane_f32(c1, vacc1x01, 0); |
| vst1_lane_f32(c2, vacc2x01, 0); |
| vst1_lane_f32(c3, vacc3x01, 0); |
| |
| nc = 0; |
| } |
| } while (nc != 0); |
| } |