| // Auto-generated file. Do not edit! |
| // Template: src/qs8-gemm/c8-neon-mull-padal.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_ukernel_2x8c8__neon_mlal_padal( |
| 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_gemm_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN |
| { |
| 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); |
| |
| kc = round_up_po2(kc, 8); |
| 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; |
| } |
| |
| do { |
| int32x4_t vacc0x0 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t)); |
| int32x4_t vacc0x1 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t)); |
| int32x4_t vacc0x2 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t)); |
| int32x4_t vacc0x3 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t)); |
| int32x4_t vacc0x4 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t)); |
| int32x4_t vacc0x5 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t)); |
| int32x4_t vacc0x6 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t)); |
| int32x4_t vacc0x7 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t)); |
| int32x4_t vacc1x0 = vacc0x0; |
| int32x4_t vacc1x1 = vacc0x1; |
| int32x4_t vacc1x2 = vacc0x2; |
| int32x4_t vacc1x3 = vacc0x3; |
| int32x4_t vacc1x4 = vacc0x4; |
| int32x4_t vacc1x5 = vacc0x5; |
| int32x4_t vacc1x6 = vacc0x6; |
| int32x4_t vacc1x7 = vacc0x7; |
| |
| size_t k = kc; |
| // 2x partial unrolled loop to load 16 bytes at a time using MLA. |
| while (k >= 16 * sizeof(int8_t)) { |
| const int8x8_t va0x0 = vld1_s8(a0); a0 += 8; |
| const int8x8_t va0x1 = vld1_s8(a0); a0 += 8; |
| const int8x8_t va1x0 = vld1_s8(a1); a1 += 8; |
| const int8x8_t va1x1 = vld1_s8(a1); a1 += 8; |
| |
| const int8x8_t vb0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| const int8x8_t vb1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| const int8x8_t vb2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| const int8x8_t vb3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| const int8x8_t vb4x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| const int8x8_t vb5x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| const int8x8_t vb6x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| const int8x8_t vb7x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| |
| const int8x8_t vb0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| int16x8_t vprod0x0 = vmull_s8(vb0x0, va0x0); |
| int16x8_t vprod1x0 = vmull_s8(vb0x0, va1x0); |
| vprod0x0 = vmlal_s8(vprod0x0, vb0x1, va0x1); |
| vprod1x0 = vmlal_s8(vprod1x0, vb0x1, va1x1); |
| vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0); |
| vacc1x0 = vpadalq_s16(vacc1x0, vprod1x0); |
| const int8x8_t vb1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| int16x8_t vprod0x1 = vmull_s8(vb1x0, va0x0); |
| int16x8_t vprod1x1 = vmull_s8(vb1x0, va1x0); |
| vprod0x1 = vmlal_s8(vprod0x1, vb1x1, va0x1); |
| vprod1x1 = vmlal_s8(vprod1x1, vb1x1, va1x1); |
| vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1); |
| vacc1x1 = vpadalq_s16(vacc1x1, vprod1x1); |
| const int8x8_t vb2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| int16x8_t vprod0x2 = vmull_s8(vb2x0, va0x0); |
| int16x8_t vprod1x2 = vmull_s8(vb2x0, va1x0); |
| vprod0x2 = vmlal_s8(vprod0x2, vb2x1, va0x1); |
| vprod1x2 = vmlal_s8(vprod1x2, vb2x1, va1x1); |
| vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2); |
| vacc1x2 = vpadalq_s16(vacc1x2, vprod1x2); |
| const int8x8_t vb3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| int16x8_t vprod0x3 = vmull_s8(vb3x0, va0x0); |
| int16x8_t vprod1x3 = vmull_s8(vb3x0, va1x0); |
| vprod0x3 = vmlal_s8(vprod0x3, vb3x1, va0x1); |
| vprod1x3 = vmlal_s8(vprod1x3, vb3x1, va1x1); |
| vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3); |
| vacc1x3 = vpadalq_s16(vacc1x3, vprod1x3); |
| const int8x8_t vb4x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| int16x8_t vprod0x4 = vmull_s8(vb4x0, va0x0); |
| int16x8_t vprod1x4 = vmull_s8(vb4x0, va1x0); |
| vprod0x4 = vmlal_s8(vprod0x4, vb4x1, va0x1); |
| vprod1x4 = vmlal_s8(vprod1x4, vb4x1, va1x1); |
| vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4); |
| vacc1x4 = vpadalq_s16(vacc1x4, vprod1x4); |
| const int8x8_t vb5x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| int16x8_t vprod0x5 = vmull_s8(vb5x0, va0x0); |
| int16x8_t vprod1x5 = vmull_s8(vb5x0, va1x0); |
| vprod0x5 = vmlal_s8(vprod0x5, vb5x1, va0x1); |
| vprod1x5 = vmlal_s8(vprod1x5, vb5x1, va1x1); |
| vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5); |
| vacc1x5 = vpadalq_s16(vacc1x5, vprod1x5); |
| const int8x8_t vb6x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| int16x8_t vprod0x6 = vmull_s8(vb6x0, va0x0); |
| int16x8_t vprod1x6 = vmull_s8(vb6x0, va1x0); |
| vprod0x6 = vmlal_s8(vprod0x6, vb6x1, va0x1); |
| vprod1x6 = vmlal_s8(vprod1x6, vb6x1, va1x1); |
| vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6); |
| vacc1x6 = vpadalq_s16(vacc1x6, vprod1x6); |
| const int8x8_t vb7x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| int16x8_t vprod0x7 = vmull_s8(vb7x0, va0x0); |
| int16x8_t vprod1x7 = vmull_s8(vb7x0, va1x0); |
| vprod0x7 = vmlal_s8(vprod0x7, vb7x1, va0x1); |
| vprod1x7 = vmlal_s8(vprod1x7, vb7x1, va1x1); |
| vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7); |
| vacc1x7 = vpadalq_s16(vacc1x7, vprod1x7); |
| |
| k -= 16 * sizeof(int8_t); |
| } |
| |
| // Handle 8 bytes at a time using MUL. |
| if (k > 0) { |
| const int8x8_t va0 = vld1_s8(a0); a0 += 8; |
| const int8x8_t va1 = vld1_s8(a1); a1 += 8; |
| |
| const int8x8_t vb0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| const int16x8_t vprod0x0 = vmull_s8(vb0, va0); |
| const int16x8_t vprod1x0 = vmull_s8(vb0, va1); |
| vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0); |
| vacc1x0 = vpadalq_s16(vacc1x0, vprod1x0); |
| const int8x8_t vb1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| const int16x8_t vprod0x1 = vmull_s8(vb1, va0); |
| const int16x8_t vprod1x1 = vmull_s8(vb1, va1); |
| vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1); |
| vacc1x1 = vpadalq_s16(vacc1x1, vprod1x1); |
| const int8x8_t vb2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| const int16x8_t vprod0x2 = vmull_s8(vb2, va0); |
| const int16x8_t vprod1x2 = vmull_s8(vb2, va1); |
| vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2); |
| vacc1x2 = vpadalq_s16(vacc1x2, vprod1x2); |
| const int8x8_t vb3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| const int16x8_t vprod0x3 = vmull_s8(vb3, va0); |
| const int16x8_t vprod1x3 = vmull_s8(vb3, va1); |
| vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3); |
| vacc1x3 = vpadalq_s16(vacc1x3, vprod1x3); |
| const int8x8_t vb4 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| const int16x8_t vprod0x4 = vmull_s8(vb4, va0); |
| const int16x8_t vprod1x4 = vmull_s8(vb4, va1); |
| vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4); |
| vacc1x4 = vpadalq_s16(vacc1x4, vprod1x4); |
| const int8x8_t vb5 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| const int16x8_t vprod0x5 = vmull_s8(vb5, va0); |
| const int16x8_t vprod1x5 = vmull_s8(vb5, va1); |
| vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5); |
| vacc1x5 = vpadalq_s16(vacc1x5, vprod1x5); |
| const int8x8_t vb6 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| const int16x8_t vprod0x6 = vmull_s8(vb6, va0); |
| const int16x8_t vprod1x6 = vmull_s8(vb6, va1); |
| vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6); |
| vacc1x6 = vpadalq_s16(vacc1x6, vprod1x6); |
| const int8x8_t vb7 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| const int16x8_t vprod0x7 = vmull_s8(vb7, va0); |
| const int16x8_t vprod1x7 = vmull_s8(vb7, va1); |
| vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7); |
| vacc1x7 = vpadalq_s16(vacc1x7, vprod1x7); |
| |
| k -= 8 * sizeof(int8_t); |
| } |
| |
| #if XNN_ARCH_ARM64 |
| const int32x4_t vsum0x01 = vpaddq_s32(vacc0x0, vacc0x1); |
| const int32x4_t vsum0x23 = vpaddq_s32(vacc0x2, vacc0x3); |
| const int32x4_t vsum0x45 = vpaddq_s32(vacc0x4, vacc0x5); |
| const int32x4_t vsum0x67 = vpaddq_s32(vacc0x6, vacc0x7); |
| const int32x4_t vsum1x01 = vpaddq_s32(vacc1x0, vacc1x1); |
| const int32x4_t vsum1x23 = vpaddq_s32(vacc1x2, vacc1x3); |
| const int32x4_t vsum1x45 = vpaddq_s32(vacc1x4, vacc1x5); |
| const int32x4_t vsum1x67 = vpaddq_s32(vacc1x6, vacc1x7); |
| int32x4_t vacc0x0123 = vpaddq_s32(vsum0x01, vsum0x23); |
| int32x4_t vacc0x4567 = vpaddq_s32(vsum0x45, vsum0x67); |
| int32x4_t vacc1x0123 = vpaddq_s32(vsum1x01, vsum1x23); |
| int32x4_t vacc1x4567 = vpaddq_s32(vsum1x45, vsum1x67); |
| #else |
| const int32x2_t vpsum0x0 = vadd_s32(vget_low_s32(vacc0x0), vget_high_s32(vacc0x0)); |
| const int32x2_t vpsum0x1 = vadd_s32(vget_low_s32(vacc0x1), vget_high_s32(vacc0x1)); |
| const int32x2_t vpsum0x2 = vadd_s32(vget_low_s32(vacc0x2), vget_high_s32(vacc0x2)); |
| const int32x2_t vpsum0x3 = vadd_s32(vget_low_s32(vacc0x3), vget_high_s32(vacc0x3)); |
| const int32x2_t vsum0x01 = vpadd_s32(vpsum0x0, vpsum0x1); |
| const int32x2_t vsum0x23 = vpadd_s32(vpsum0x2, vpsum0x3); |
| int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23 ); |
| const int32x2_t vpsum0x4 = vadd_s32(vget_low_s32(vacc0x4), vget_high_s32(vacc0x4)); |
| const int32x2_t vpsum0x5 = vadd_s32(vget_low_s32(vacc0x5), vget_high_s32(vacc0x5)); |
| const int32x2_t vpsum0x6 = vadd_s32(vget_low_s32(vacc0x6), vget_high_s32(vacc0x6)); |
| const int32x2_t vpsum0x7 = vadd_s32(vget_low_s32(vacc0x7), vget_high_s32(vacc0x7)); |
| const int32x2_t vsum0x45 = vpadd_s32(vpsum0x4, vpsum0x5); |
| const int32x2_t vsum0x67 = vpadd_s32(vpsum0x6, vpsum0x7); |
| int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67 ); |
| const int32x2_t vpsum1x0 = vadd_s32(vget_low_s32(vacc1x0), vget_high_s32(vacc1x0)); |
| const int32x2_t vpsum1x1 = vadd_s32(vget_low_s32(vacc1x1), vget_high_s32(vacc1x1)); |
| const int32x2_t vpsum1x2 = vadd_s32(vget_low_s32(vacc1x2), vget_high_s32(vacc1x2)); |
| const int32x2_t vpsum1x3 = vadd_s32(vget_low_s32(vacc1x3), vget_high_s32(vacc1x3)); |
| const int32x2_t vsum1x01 = vpadd_s32(vpsum1x0, vpsum1x1); |
| const int32x2_t vsum1x23 = vpadd_s32(vpsum1x2, vpsum1x3); |
| int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23 ); |
| const int32x2_t vpsum1x4 = vadd_s32(vget_low_s32(vacc1x4), vget_high_s32(vacc1x4)); |
| const int32x2_t vpsum1x5 = vadd_s32(vget_low_s32(vacc1x5), vget_high_s32(vacc1x5)); |
| const int32x2_t vpsum1x6 = vadd_s32(vget_low_s32(vacc1x6), vget_high_s32(vacc1x6)); |
| const int32x2_t vpsum1x7 = vadd_s32(vget_low_s32(vacc1x7), vget_high_s32(vacc1x7)); |
| const int32x2_t vsum1x45 = vpadd_s32(vpsum1x4, vpsum1x5); |
| const int32x2_t vsum1x67 = vpadd_s32(vpsum1x6, vpsum1x7); |
| int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67 ); |
| #endif |
| |
| const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->neon.multiplier); |
| vacc0x0123 = vqrdmulhq_s32(vacc0x0123, vmultiplier); |
| vacc0x4567 = vqrdmulhq_s32(vacc0x4567, vmultiplier); |
| vacc1x0123 = vqrdmulhq_s32(vacc1x0123, vmultiplier); |
| vacc1x4567 = vqrdmulhq_s32(vacc1x4567, vmultiplier); |
| |
| const int32x4_t vright_shift = vld1q_dup_s32(¶ms->neon.right_shift); |
| const int32x4_t vzero_shift_mask = vreinterpretq_s32_u32(vceqq_s32(vright_shift, vmovq_n_s32(0))); |
| vacc0x0123 = vsraq_n_s32(vacc0x0123, vbicq_s32(vacc0x0123, vzero_shift_mask), 31); |
| vacc0x4567 = vsraq_n_s32(vacc0x4567, vbicq_s32(vacc0x4567, vzero_shift_mask), 31); |
| vacc1x0123 = vsraq_n_s32(vacc1x0123, vbicq_s32(vacc1x0123, vzero_shift_mask), 31); |
| vacc1x4567 = vsraq_n_s32(vacc1x4567, vbicq_s32(vacc1x4567, vzero_shift_mask), 31); |
| |
| vacc0x0123 = vrshlq_s32(vacc0x0123, vright_shift); |
| vacc0x4567 = vrshlq_s32(vacc0x4567, vright_shift); |
| vacc1x0123 = vrshlq_s32(vacc1x0123, vright_shift); |
| vacc1x4567 = vrshlq_s32(vacc1x4567, vright_shift); |
| |
| const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->neon.output_zero_point); |
| #if XNN_ARCH_ARM64 |
| const int16x8_t vacc0x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567), voutput_zero_point); |
| const int16x8_t vacc1x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567), voutput_zero_point); |
| int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567); |
| #else |
| const int16x8_t vacc0x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567)), voutput_zero_point); |
| const int16x8_t vacc1x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567)), voutput_zero_point); |
| |
| int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567)); |
| #endif |
| const int8x16_t voutput_min = vld1q_dup_s8(¶ms->neon.output_min); |
| const int8x16_t voutput_max = vld1q_dup_s8(¶ms->neon.output_max); |
| |
| vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min); |
| |
| vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max); |
| |
| if (nc >= 8) { |
| vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567)); |
| vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567)); |
| |
| 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 -= 8; |
| } else { |
| if (nc & 4) { |
| vst1q_lane_u32(__builtin_assume_aligned(c0, 1), vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4; |
| vst1q_lane_u32(__builtin_assume_aligned(c1, 1), vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4; |
| vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4); |
| } |
| if (nc & 2) { |
| vst1q_lane_u16(__builtin_assume_aligned(c0, 1), vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2; |
| vst1q_lane_u16(__builtin_assume_aligned(c1, 1), 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); |
| } |
