xref: /aosp_15_r20/external/XNNPACK/src/qs8-igemm/c8-neon-mull.c.in (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)
1*4bdc9457SAndroid Build Coastguard Worker// Copyright 2021 Google LLC
2*4bdc9457SAndroid Build Coastguard Worker//
3*4bdc9457SAndroid Build Coastguard Worker// This source code is licensed under the BSD-style license found in the
4*4bdc9457SAndroid Build Coastguard Worker// LICENSE file in the root directory of this source tree.
5*4bdc9457SAndroid Build Coastguard Worker
6*4bdc9457SAndroid Build Coastguard Worker$ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
7*4bdc9457SAndroid Build Coastguard Worker$assert NR % 8 == 0
8*4bdc9457SAndroid Build Coastguard Worker$assert 8 <= NR <= 16
9*4bdc9457SAndroid Build Coastguard Worker$assert REQUANTIZATION in ["FP32", "RNDNU"]
10*4bdc9457SAndroid Build Coastguard Worker$assert not CHANNELWISE or REQUANTIZATION == "FP32"
11*4bdc9457SAndroid Build Coastguard Worker#include <assert.h>
12*4bdc9457SAndroid Build Coastguard Worker
13*4bdc9457SAndroid Build Coastguard Worker#include <arm_neon.h>
14*4bdc9457SAndroid Build Coastguard Worker
15*4bdc9457SAndroid Build Coastguard Worker#include <xnnpack/igemm.h>
16*4bdc9457SAndroid Build Coastguard Worker$if REQUANTIZATION == "FP32" and ARMV8:
17*4bdc9457SAndroid Build Coastguard Worker  #include <xnnpack/intrinsics-polyfill.h>
18*4bdc9457SAndroid Build Coastguard Worker#include <xnnpack/math.h>
19*4bdc9457SAndroid Build Coastguard Worker
20*4bdc9457SAndroid Build Coastguard Worker
21*4bdc9457SAndroid Build Coastguard Worker$DATATYPE = "qc8" if CHANNELWISE else "qs8"
22*4bdc9457SAndroid Build Coastguard Worker$PARAMS_STRUCT = REQUANTIZATION.lower() + "_" + ("neonv8" if REQUANTIZATION == "FP32" and ARMV8 else "neon")
23*4bdc9457SAndroid Build Coastguard Worker$PARAMS_UNION = "xnn_%s_conv_minmax_params" % DATATYPE.lower()
24*4bdc9457SAndroid Build Coastguard Worker$ISA = "neonv8" if ARMV8 else "neon"
25*4bdc9457SAndroid Build Coastguard Workervoid xnn_${DATATYPE}_igemm_minmax_${REQUANTIZATION.lower()}_ukernel_${MR}x${NR}c8__${ISA}_${"mlal" if MLA else "mull"}(
26*4bdc9457SAndroid Build Coastguard Worker    size_t mr,
27*4bdc9457SAndroid Build Coastguard Worker    size_t nc,
28*4bdc9457SAndroid Build Coastguard Worker    size_t kc,
29*4bdc9457SAndroid Build Coastguard Worker    size_t ks,
30*4bdc9457SAndroid Build Coastguard Worker    const int8_t** restrict a,
31*4bdc9457SAndroid Build Coastguard Worker    const void* restrict w,
32*4bdc9457SAndroid Build Coastguard Worker    int8_t* restrict c,
33*4bdc9457SAndroid Build Coastguard Worker    size_t cm_stride,
34*4bdc9457SAndroid Build Coastguard Worker    size_t cn_stride,
35*4bdc9457SAndroid Build Coastguard Worker    size_t a_offset,
36*4bdc9457SAndroid Build Coastguard Worker    const int8_t* zero,
37*4bdc9457SAndroid Build Coastguard Worker    const union ${PARAMS_UNION} params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
38*4bdc9457SAndroid Build Coastguard Worker{
39*4bdc9457SAndroid Build Coastguard Worker  assert(mr != 0);
40*4bdc9457SAndroid Build Coastguard Worker  assert(mr <= ${MR});
41*4bdc9457SAndroid Build Coastguard Worker  assert(nc != 0);
42*4bdc9457SAndroid Build Coastguard Worker  assert(kc != 0);
43*4bdc9457SAndroid Build Coastguard Worker  assert(ks != 0);
44*4bdc9457SAndroid Build Coastguard Worker  assert(ks % (${MR} * sizeof(void*)) == 0);
45*4bdc9457SAndroid Build Coastguard Worker  assert(a_offset % sizeof(int8_t) == 0);
46*4bdc9457SAndroid Build Coastguard Worker  assert(a != NULL);
47*4bdc9457SAndroid Build Coastguard Worker  assert(w != NULL);
48*4bdc9457SAndroid Build Coastguard Worker  assert(c != NULL);
49*4bdc9457SAndroid Build Coastguard Worker
50*4bdc9457SAndroid Build Coastguard Worker  kc = round_up_po2(kc, 8 * sizeof(int8_t));
51*4bdc9457SAndroid Build Coastguard Worker  int8_t* c0 = c;
52*4bdc9457SAndroid Build Coastguard Worker  $for M in range(1, MR):
53*4bdc9457SAndroid Build Coastguard Worker    int8_t* c${M} = (int8_t*) ((uintptr_t) c${M-1} + cm_stride);
54*4bdc9457SAndroid Build Coastguard Worker    $if M % 2 == 0:
55*4bdc9457SAndroid Build Coastguard Worker      if XNN_UNPREDICTABLE(mr <= ${M}) {
56*4bdc9457SAndroid Build Coastguard Worker        c${M} = c${M-1};
57*4bdc9457SAndroid Build Coastguard Worker      }
58*4bdc9457SAndroid Build Coastguard Worker    $elif M + 1 == MR:
59*4bdc9457SAndroid Build Coastguard Worker      if XNN_UNPREDICTABLE(mr != ${M+1}) {
60*4bdc9457SAndroid Build Coastguard Worker        c${M} = c${M-1};
61*4bdc9457SAndroid Build Coastguard Worker      }
62*4bdc9457SAndroid Build Coastguard Worker    $else:
63*4bdc9457SAndroid Build Coastguard Worker      if XNN_UNPREDICTABLE(mr < ${M+1}) {
64*4bdc9457SAndroid Build Coastguard Worker        c${M} = c${M-1};
65*4bdc9457SAndroid Build Coastguard Worker      }
66*4bdc9457SAndroid Build Coastguard Worker
67*4bdc9457SAndroid Build Coastguard Worker  do {
68*4bdc9457SAndroid Build Coastguard Worker    $for N in range(NR):
69*4bdc9457SAndroid Build Coastguard Worker      int32x4_t vacc0x${N} = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
70*4bdc9457SAndroid Build Coastguard Worker    $for M in range(1, MR):
71*4bdc9457SAndroid Build Coastguard Worker      $for N in range(NR):
72*4bdc9457SAndroid Build Coastguard Worker        int32x4_t vacc${M}x${N} = vacc0x${N};
73*4bdc9457SAndroid Build Coastguard Worker
74*4bdc9457SAndroid Build Coastguard Worker    size_t p = ks;
75*4bdc9457SAndroid Build Coastguard Worker    do {
76*4bdc9457SAndroid Build Coastguard Worker      $for M in range(MR):
77*4bdc9457SAndroid Build Coastguard Worker        const int8_t* restrict a${M} = a[${M}];
78*4bdc9457SAndroid Build Coastguard Worker        if XNN_UNPREDICTABLE(a${M} != zero) {
79*4bdc9457SAndroid Build Coastguard Worker          a${M} = (const int8_t*) ((uintptr_t) a${M} + a_offset);
80*4bdc9457SAndroid Build Coastguard Worker        }
81*4bdc9457SAndroid Build Coastguard Worker      a += ${MR};
82*4bdc9457SAndroid Build Coastguard Worker
83*4bdc9457SAndroid Build Coastguard Worker      size_t k = kc;
84*4bdc9457SAndroid Build Coastguard Worker      $if MLA:
85*4bdc9457SAndroid Build Coastguard Worker        // 2x partial unrolled loop to load 16 bytes at a time using MLA.
86*4bdc9457SAndroid Build Coastguard Worker        while (k >= 16 * sizeof(int8_t)) {
87*4bdc9457SAndroid Build Coastguard Worker          $for M in range(MR):
88*4bdc9457SAndroid Build Coastguard Worker            const int8x8_t va${M}x0 = vld1_s8(a${M}); a${M} += 8;
89*4bdc9457SAndroid Build Coastguard Worker            const int8x8_t va${M}x1 = vld1_s8(a${M}); a${M} += 8;
90*4bdc9457SAndroid Build Coastguard Worker
91*4bdc9457SAndroid Build Coastguard Worker          $for N in range(NR):
92*4bdc9457SAndroid Build Coastguard Worker            const int8x8_t vb${N}x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(  int8_t));
93*4bdc9457SAndroid Build Coastguard Worker
94*4bdc9457SAndroid Build Coastguard Worker          $for N in range(NR):
95*4bdc9457SAndroid Build Coastguard Worker            const int8x8_t vb${N}x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(  int8_t));
96*4bdc9457SAndroid Build Coastguard Worker            $for M in range(MR):
97*4bdc9457SAndroid Build Coastguard Worker              int16x8_t vprod${M}x${N} = vmull_s8(vb${N}x0, va${M}x0);
98*4bdc9457SAndroid Build Coastguard Worker            $for M in range(MR):
99*4bdc9457SAndroid Build Coastguard Worker              vprod${M}x${N} = vmlal_s8(vprod${M}x${N}, vb${N}x1, va${M}x1);
100*4bdc9457SAndroid Build Coastguard Worker            $for M in range(MR):
101*4bdc9457SAndroid Build Coastguard Worker              vacc${M}x${N} = vpadalq_s16(vacc${M}x${N}, vprod${M}x${N});
102*4bdc9457SAndroid Build Coastguard Worker
103*4bdc9457SAndroid Build Coastguard Worker          k -= 16 * sizeof(int8_t);
104*4bdc9457SAndroid Build Coastguard Worker        }
105*4bdc9457SAndroid Build Coastguard Worker
106*4bdc9457SAndroid Build Coastguard Worker      // Handle 8 bytes at a time using MUL.
107*4bdc9457SAndroid Build Coastguard Worker      ${"if" if MLA else "while"} (k != 0) {
108*4bdc9457SAndroid Build Coastguard Worker        $for M in range(MR):
109*4bdc9457SAndroid Build Coastguard Worker          const int8x8_t va${M} = vld1_s8(a${M}); a${M} += 8;
110*4bdc9457SAndroid Build Coastguard Worker
111*4bdc9457SAndroid Build Coastguard Worker        $for N in range(NR):
112*4bdc9457SAndroid Build Coastguard Worker          const int8x8_t vb${N} = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
113*4bdc9457SAndroid Build Coastguard Worker          $for M in range(MR):
114*4bdc9457SAndroid Build Coastguard Worker            const int16x8_t vprod${M}x${N} = vmull_s8(vb${N}, va${M});
115*4bdc9457SAndroid Build Coastguard Worker          $for M in range(MR):
116*4bdc9457SAndroid Build Coastguard Worker            vacc${M}x${N} = vpadalq_s16(vacc${M}x${N}, vprod${M}x${N});
117*4bdc9457SAndroid Build Coastguard Worker
118*4bdc9457SAndroid Build Coastguard Worker        k -= 8 * sizeof(int8_t);
119*4bdc9457SAndroid Build Coastguard Worker      }
120*4bdc9457SAndroid Build Coastguard Worker
121*4bdc9457SAndroid Build Coastguard Worker      p -= ${MR} * sizeof(void*);
122*4bdc9457SAndroid Build Coastguard Worker    } while (p != 0);
123*4bdc9457SAndroid Build Coastguard Worker
124*4bdc9457SAndroid Build Coastguard Worker#if XNN_ARCH_ARM64
125*4bdc9457SAndroid Build Coastguard Worker    $for M in range(MR):
126*4bdc9457SAndroid Build Coastguard Worker      $for N in range(0, NR, 4):
127*4bdc9457SAndroid Build Coastguard Worker        const int32x4_t vsum${M}x${ABC[N:N+2]} = vpaddq_s32(vacc${M}x${N}, vacc${M}x${N+1});
128*4bdc9457SAndroid Build Coastguard Worker        const int32x4_t vsum${M}x${ABC[N+2:N+4]} = vpaddq_s32(vacc${M}x${N+2}, vacc${M}x${N+3});
129*4bdc9457SAndroid Build Coastguard Worker
130*4bdc9457SAndroid Build Coastguard Worker    $for M in range(MR):
131*4bdc9457SAndroid Build Coastguard Worker      $for N in range(0, NR, 4):
132*4bdc9457SAndroid Build Coastguard Worker        int32x4_t vacc${M}x${ABC[N:N+4]} = vpaddq_s32(vsum${M}x${ABC[N:N+2]}, vsum${M}x${ABC[N+2:N+4]});
133*4bdc9457SAndroid Build Coastguard Worker#else
134*4bdc9457SAndroid Build Coastguard Worker    $for M in range(MR):
135*4bdc9457SAndroid Build Coastguard Worker      $for N in range(0, NR, 4):
136*4bdc9457SAndroid Build Coastguard Worker        const int32x2_t vpsum${M}x${ABC[N]} = vadd_s32(vget_low_s32(vacc${M}x${N}), vget_high_s32(vacc${M}x${N}));
137*4bdc9457SAndroid Build Coastguard Worker        const int32x2_t vpsum${M}x${ABC[N+1]} = vadd_s32(vget_low_s32(vacc${M}x${N+1}), vget_high_s32(vacc${M}x${N+1}));
138*4bdc9457SAndroid Build Coastguard Worker        const int32x2_t vpsum${M}x${ABC[N+2]} = vadd_s32(vget_low_s32(vacc${M}x${N+2}), vget_high_s32(vacc${M}x${N+2}));
139*4bdc9457SAndroid Build Coastguard Worker        const int32x2_t vpsum${M}x${ABC[N+3]} = vadd_s32(vget_low_s32(vacc${M}x${N+3}), vget_high_s32(vacc${M}x${N+3}));
140*4bdc9457SAndroid Build Coastguard Worker        const int32x2_t vsum${M}x${ABC[N:N+2]} = vpadd_s32(vpsum${M}x${ABC[N]}, vpsum${M}x${ABC[N+1]});
141*4bdc9457SAndroid Build Coastguard Worker        const int32x2_t vsum${M}x${ABC[N+2:N+4]} = vpadd_s32(vpsum${M}x${ABC[N+2]}, vpsum${M}x${ABC[N+3]});
142*4bdc9457SAndroid Build Coastguard Worker        int32x4_t vacc${M}x${ABC[N:N+4]} = vcombine_s32(vsum${M}x${ABC[N:N+2]}, vsum${M}x${ABC[N+2:N+4]} );
143*4bdc9457SAndroid Build Coastguard Worker#endif
144*4bdc9457SAndroid Build Coastguard Worker
145*4bdc9457SAndroid Build Coastguard Worker    $if REQUANTIZATION == "RNDNU":
146*4bdc9457SAndroid Build Coastguard Worker      const int32x4_t vright_pre_shift = vld1q_dup_s32(&params->${PARAMS_STRUCT}.right_pre_shift);
147*4bdc9457SAndroid Build Coastguard Worker      const int32x4_t vmultiplier = vld1q_dup_s32(&params->${PARAMS_STRUCT}.multiplier);
148*4bdc9457SAndroid Build Coastguard Worker      const int32x4_t vright_post_shift = vld1q_dup_s32(&params->${PARAMS_STRUCT}.right_post_shift);
149*4bdc9457SAndroid Build Coastguard Worker
150*4bdc9457SAndroid Build Coastguard Worker      $for M in range(MR):
151*4bdc9457SAndroid Build Coastguard Worker        $for N in range(0, NR, 4):
152*4bdc9457SAndroid Build Coastguard Worker          vacc${M}x${ABC[N:N+4]} = vqshlq_s32(vacc${M}x${ABC[N:N+4]}, vright_pre_shift);
153*4bdc9457SAndroid Build Coastguard Worker
154*4bdc9457SAndroid Build Coastguard Worker      $for M in range(MR):
155*4bdc9457SAndroid Build Coastguard Worker        $for N in range(0, NR, 4):
156*4bdc9457SAndroid Build Coastguard Worker          vacc${M}x${ABC[N:N+4]} = vqdmulhq_s32(vacc${M}x${ABC[N:N+4]}, vmultiplier);
157*4bdc9457SAndroid Build Coastguard Worker
158*4bdc9457SAndroid Build Coastguard Worker      $for M in range(MR):
159*4bdc9457SAndroid Build Coastguard Worker        $for N in range(0, NR, 4):
160*4bdc9457SAndroid Build Coastguard Worker          vacc${M}x${ABC[N:N+4]} = vrshlq_s32(vacc${M}x${ABC[N:N+4]}, vright_post_shift);
161*4bdc9457SAndroid Build Coastguard Worker    $elif REQUANTIZATION == "FP32":
162*4bdc9457SAndroid Build Coastguard Worker      $for M in range(MR):
163*4bdc9457SAndroid Build Coastguard Worker        $for N in range(0, NR, 4):
164*4bdc9457SAndroid Build Coastguard Worker          float32x4_t vfpacc${M}x${ABC[N:N+4]} = vcvtq_f32_s32(vacc${M}x${ABC[N:N+4]});
165*4bdc9457SAndroid Build Coastguard Worker
166*4bdc9457SAndroid Build Coastguard Worker      $if CHANNELWISE:
167*4bdc9457SAndroid Build Coastguard Worker        $for N in range(0, NR, 4):
168*4bdc9457SAndroid Build Coastguard Worker          const float32x4_t vscale${ABC[N:N+4]} = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
169*4bdc9457SAndroid Build Coastguard Worker          $for M in range(MR):
170*4bdc9457SAndroid Build Coastguard Worker            vfpacc${M}x${ABC[N:N+4]} = vmulq_f32(vfpacc${M}x${ABC[N:N+4]}, vscale${ABC[N:N+4]});
171*4bdc9457SAndroid Build Coastguard Worker      $else:
172*4bdc9457SAndroid Build Coastguard Worker        const float32x4_t vscale = vld1q_dup_f32(&params->${PARAMS_STRUCT}.scale);
173*4bdc9457SAndroid Build Coastguard Worker        $for M in range(MR):
174*4bdc9457SAndroid Build Coastguard Worker          $for N in range(0, NR, 4):
175*4bdc9457SAndroid Build Coastguard Worker            vfpacc${M}x${ABC[N:N+4]} = vmulq_f32(vfpacc${M}x${ABC[N:N+4]}, vscale);
176*4bdc9457SAndroid Build Coastguard Worker
177*4bdc9457SAndroid Build Coastguard Worker      $if ARMV8:
178*4bdc9457SAndroid Build Coastguard Worker        $for M in range(MR):
179*4bdc9457SAndroid Build Coastguard Worker          $for N in range(0, NR, 4):
180*4bdc9457SAndroid Build Coastguard Worker            vacc${M}x${ABC[N:N+4]} = vcvtnq_s32_f32(vfpacc${M}x${ABC[N:N+4]});
181*4bdc9457SAndroid Build Coastguard Worker      $else:
182*4bdc9457SAndroid Build Coastguard Worker        const float32x4_t vmagic_bias = vld1q_dup_f32(&params->${PARAMS_STRUCT}.magic_bias);
183*4bdc9457SAndroid Build Coastguard Worker        $for M in range(MR):
184*4bdc9457SAndroid Build Coastguard Worker          $for N in range(0, NR, 4):
185*4bdc9457SAndroid Build Coastguard Worker            vacc${M}x${ABC[N:N+4]} = vreinterpretq_s32_f32(vaddq_f32(vfpacc${M}x${ABC[N:N+4]}, vmagic_bias));
186*4bdc9457SAndroid Build Coastguard Worker
187*4bdc9457SAndroid Build Coastguard Worker        const int32x4_t vmagic_bias_less_output_zero_point = vld1q_dup_s32(&params->${PARAMS_STRUCT}.magic_bias_less_output_zero_point);
188*4bdc9457SAndroid Build Coastguard Worker        $for M in range(MR):
189*4bdc9457SAndroid Build Coastguard Worker          $for N in range(0, NR, 4):
190*4bdc9457SAndroid Build Coastguard Worker            vacc${M}x${ABC[N:N+4]} = vqsubq_s32(vacc${M}x${ABC[N:N+4]}, vmagic_bias_less_output_zero_point);
191*4bdc9457SAndroid Build Coastguard Worker
192*4bdc9457SAndroid Build Coastguard Worker    $if REQUANTIZATION != "FP32" or ARMV8:
193*4bdc9457SAndroid Build Coastguard Worker      const int16x8_t voutput_zero_point = vld1q_dup_s16(&params->${PARAMS_STRUCT}.output_zero_point);
194*4bdc9457SAndroid Build Coastguard Worker#if XNN_ARCH_ARM64
195*4bdc9457SAndroid Build Coastguard Worker    $for M in range(MR):
196*4bdc9457SAndroid Build Coastguard Worker      $for N in range(0, NR, 8):
197*4bdc9457SAndroid Build Coastguard Worker        int16x8_t vacc${M}x${ABC[N:N+8]} = vqmovn_high_s32(vqmovn_s32(vacc${M}x${ABC[N:N+4]}), vacc${M}x${ABC[N+4:N+8]});
198*4bdc9457SAndroid Build Coastguard Worker
199*4bdc9457SAndroid Build Coastguard Worker    $if REQUANTIZATION != "FP32" or ARMV8:
200*4bdc9457SAndroid Build Coastguard Worker      $for M in range(MR):
201*4bdc9457SAndroid Build Coastguard Worker        $for N in range(0, NR, 8):
202*4bdc9457SAndroid Build Coastguard Worker          vacc${M}x${ABC[N:N+8]} = vqaddq_s16(vacc${M}x${ABC[N:N+8]}, voutput_zero_point);
203*4bdc9457SAndroid Build Coastguard Worker
204*4bdc9457SAndroid Build Coastguard Worker    $for M in range(MR):
205*4bdc9457SAndroid Build Coastguard Worker      $for N in range(0, NR, 16):
206*4bdc9457SAndroid Build Coastguard Worker        $if N + 8 < NR:
207*4bdc9457SAndroid Build Coastguard Worker          int8x16_t vout${M}x${ABC[N:N+16]} = vqmovn_high_s16(vqmovn_s16(vacc${M}x${ABC[N:N+8]}), vacc${M}x${ABC[N+8:N+16]});
208*4bdc9457SAndroid Build Coastguard Worker        $elif M % 2 == 1:
209*4bdc9457SAndroid Build Coastguard Worker          int8x16_t vout${M-1}x${ABC[N:N+8]}_${M}x${ABC[N:N+8]} = vqmovn_high_s16(vqmovn_s16(vacc${M-1}x${ABC[N:N+8]}), vacc${M}x${ABC[N:N+8]});
210*4bdc9457SAndroid Build Coastguard Worker        $elif M + 1 == MR:
211*4bdc9457SAndroid Build Coastguard Worker          int8x8_t vout${M}x${ABC[N:N+8]} = vqmovn_s16(vacc${M}x${ABC[N:N+8]});
212*4bdc9457SAndroid Build Coastguard Worker#else
213*4bdc9457SAndroid Build Coastguard Worker    $for M in range(MR):
214*4bdc9457SAndroid Build Coastguard Worker      $for N in range(0, NR, 8):
215*4bdc9457SAndroid Build Coastguard Worker        int16x8_t vacc${M}x${ABC[N:N+8]} = vcombine_s16(vqmovn_s32(vacc${M}x${ABC[N:N+4]}), vqmovn_s32(vacc${M}x${ABC[N+4:N+8]}));
216*4bdc9457SAndroid Build Coastguard Worker
217*4bdc9457SAndroid Build Coastguard Worker    $if REQUANTIZATION != "FP32" or ARMV8:
218*4bdc9457SAndroid Build Coastguard Worker      $for M in range(MR):
219*4bdc9457SAndroid Build Coastguard Worker        $for N in range(0, NR, 8):
220*4bdc9457SAndroid Build Coastguard Worker          vacc${M}x${ABC[N:N+8]} = vqaddq_s16(vacc${M}x${ABC[N:N+8]}, voutput_zero_point);
221*4bdc9457SAndroid Build Coastguard Worker
222*4bdc9457SAndroid Build Coastguard Worker    $for M in range(MR):
223*4bdc9457SAndroid Build Coastguard Worker      $for N in range(0, NR, 16):
224*4bdc9457SAndroid Build Coastguard Worker        $if N + 8 < NR:
225*4bdc9457SAndroid Build Coastguard Worker          int8x16_t vout${M}x${ABC[N:N+16]} = vcombine_s8(vqmovn_s16(vacc${M}x${ABC[N:N+8]}), vqmovn_s16(vacc${M}x${ABC[N+8:N+16]}));
226*4bdc9457SAndroid Build Coastguard Worker        $elif M % 2 == 1:
227*4bdc9457SAndroid Build Coastguard Worker          int8x16_t vout${M-1}x${ABC[N:N+8]}_${M}x${ABC[N:N+8]} = vcombine_s8(vqmovn_s16(vacc${M-1}x${ABC[N:N+8]}), vqmovn_s16(vacc${M}x${ABC[N:N+8]}));
228*4bdc9457SAndroid Build Coastguard Worker        $elif M + 1 == MR:
229*4bdc9457SAndroid Build Coastguard Worker          int8x8_t vout${M}x${ABC[N:N+8]} = vqmovn_s16(vacc${M}x${ABC[N:N+8]});
230*4bdc9457SAndroid Build Coastguard Worker#endif
231*4bdc9457SAndroid Build Coastguard Worker
232*4bdc9457SAndroid Build Coastguard Worker    $if NR == 8 and MR == 1:
233*4bdc9457SAndroid Build Coastguard Worker      const int8x8_t voutput_min = vld1_dup_s8(&params->${PARAMS_STRUCT}.output_min);
234*4bdc9457SAndroid Build Coastguard Worker    $else:
235*4bdc9457SAndroid Build Coastguard Worker      const int8x16_t voutput_min = vld1q_dup_s8(&params->${PARAMS_STRUCT}.output_min);
236*4bdc9457SAndroid Build Coastguard Worker    $for M in range(MR):
237*4bdc9457SAndroid Build Coastguard Worker      $for N in range(0, NR, 16):
238*4bdc9457SAndroid Build Coastguard Worker        $if N + 8 < NR:
239*4bdc9457SAndroid Build Coastguard Worker          vout${M}x${ABC[N:N+16]} = vmaxq_s8(vout${M}x${ABC[N:N+16]}, voutput_min);
240*4bdc9457SAndroid Build Coastguard Worker        $elif M % 2 == 1:
241*4bdc9457SAndroid Build Coastguard Worker          vout${M-1}x${ABC[N:N+8]}_${M}x${ABC[N:N+8]} = vmaxq_s8(vout${M-1}x${ABC[N:N+8]}_${M}x${ABC[N:N+8]}, voutput_min);
242*4bdc9457SAndroid Build Coastguard Worker        $elif M + 1 == MR:
243*4bdc9457SAndroid Build Coastguard Worker          $if NR == 8 and MR == 1:
244*4bdc9457SAndroid Build Coastguard Worker            vout${M}x${ABC[N:N+8]} = vmax_s8(vout${M}x${ABC[N:N+8]}, voutput_min);
245*4bdc9457SAndroid Build Coastguard Worker          $else:
246*4bdc9457SAndroid Build Coastguard Worker            vout${M}x${ABC[N:N+8]} = vmax_s8(vout${M}x${ABC[N:N+8]}, vget_low_s8(voutput_min));
247*4bdc9457SAndroid Build Coastguard Worker
248*4bdc9457SAndroid Build Coastguard Worker    $if NR == 8 and MR == 1:
249*4bdc9457SAndroid Build Coastguard Worker      const int8x8_t voutput_max = vld1_dup_s8(&params->${PARAMS_STRUCT}.output_max);
250*4bdc9457SAndroid Build Coastguard Worker    $else:
251*4bdc9457SAndroid Build Coastguard Worker      const int8x16_t voutput_max = vld1q_dup_s8(&params->${PARAMS_STRUCT}.output_max);
252*4bdc9457SAndroid Build Coastguard Worker    $for M in range(MR):
253*4bdc9457SAndroid Build Coastguard Worker      $for N in range(0, NR, 16):
254*4bdc9457SAndroid Build Coastguard Worker        $if N + 8 < NR:
255*4bdc9457SAndroid Build Coastguard Worker          vout${M}x${ABC[N:N+16]} = vminq_s8(vout${M}x${ABC[N:N+16]}, voutput_max);
256*4bdc9457SAndroid Build Coastguard Worker        $elif M % 2 == 1:
257*4bdc9457SAndroid Build Coastguard Worker          vout${M-1}x${ABC[N:N+8]}_${M}x${ABC[N:N+8]} = vminq_s8(vout${M-1}x${ABC[N:N+8]}_${M}x${ABC[N:N+8]}, voutput_max);
258*4bdc9457SAndroid Build Coastguard Worker        $elif M + 1 == MR:
259*4bdc9457SAndroid Build Coastguard Worker          $if NR == 8 and MR == 1:
260*4bdc9457SAndroid Build Coastguard Worker            vout${M}x${ABC[N:N+8]} = vmin_s8(vout${M}x${ABC[N:N+8]}, voutput_max);
261*4bdc9457SAndroid Build Coastguard Worker          $else:
262*4bdc9457SAndroid Build Coastguard Worker            vout${M}x${ABC[N:N+8]} = vmin_s8(vout${M}x${ABC[N:N+8]}, vget_low_s8(voutput_max));
263*4bdc9457SAndroid Build Coastguard Worker
264*4bdc9457SAndroid Build Coastguard Worker    if (nc >= ${NR}) {
265*4bdc9457SAndroid Build Coastguard Worker      $for M in reversed(range(MR)):
266*4bdc9457SAndroid Build Coastguard Worker        $for N in range(0, NR, 16):
267*4bdc9457SAndroid Build Coastguard Worker          $if N + 8 < NR:
268*4bdc9457SAndroid Build Coastguard Worker            vst1q_s8(c${M} + ${N}, vout${M}x${ABC[N:N+16]});
269*4bdc9457SAndroid Build Coastguard Worker          $elif M % 2 == 1:
270*4bdc9457SAndroid Build Coastguard Worker            vst1_s8(c${M} + ${N}, vget_high_s8(vout${M-1}x${ABC[N:N+8]}_${M}x${ABC[N:N+8]}));
271*4bdc9457SAndroid Build Coastguard Worker            vst1_s8(c${M-1} + ${N}, vget_low_s8(vout${M-1}x${ABC[N:N+8]}_${M}x${ABC[N:N+8]}));
272*4bdc9457SAndroid Build Coastguard Worker          $elif M + 1 == MR:
273*4bdc9457SAndroid Build Coastguard Worker            vst1_s8(c${M} + ${N}, vout${M}x${ABC[N:N+8]});
274*4bdc9457SAndroid Build Coastguard Worker
275*4bdc9457SAndroid Build Coastguard Worker      $for M in reversed(range(MR)):
276*4bdc9457SAndroid Build Coastguard Worker        c${M} = (int8_t*) ((uintptr_t) c${M} + cn_stride);
277*4bdc9457SAndroid Build Coastguard Worker
278*4bdc9457SAndroid Build Coastguard Worker      a = (const int8_t**restrict) ((uintptr_t) a - ks);
279*4bdc9457SAndroid Build Coastguard Worker
280*4bdc9457SAndroid Build Coastguard Worker      nc -= ${NR};
281*4bdc9457SAndroid Build Coastguard Worker    } else {
282*4bdc9457SAndroid Build Coastguard Worker      $if NR == 16:
283*4bdc9457SAndroid Build Coastguard Worker        $for M in reversed(range(MR)):
284*4bdc9457SAndroid Build Coastguard Worker          $if M % 2 == 1:
285*4bdc9457SAndroid Build Coastguard Worker            int8x16_t vout${M-1}x01234567_${M}x01234567 = vcombine_s8(vget_low_s8(vout${M-1}x0123456789ABCDEF), vget_low_s8(vout${M}x0123456789ABCDEF));
286*4bdc9457SAndroid Build Coastguard Worker          $elif M + 1 == MR:
287*4bdc9457SAndroid Build Coastguard Worker            int8x8_t vout${M}x01234567 = vget_low_s8(vout${M}x0123456789ABCDEF);
288*4bdc9457SAndroid Build Coastguard Worker        if (nc & 8) {
289*4bdc9457SAndroid Build Coastguard Worker          $for M in reversed(range(MR)):
290*4bdc9457SAndroid Build Coastguard Worker            $if M % 2 == 1:
291*4bdc9457SAndroid Build Coastguard Worker              vst1_s8(c${M}, vget_high_s8(vout${M-1}x01234567_${M}x01234567)); c${M} += 8;
292*4bdc9457SAndroid Build Coastguard Worker              vst1_s8(c${M-1}, vget_low_s8(vout${M-1}x01234567_${M}x01234567)); c${M-1} += 8;
293*4bdc9457SAndroid Build Coastguard Worker            $elif M + 1 == MR:
294*4bdc9457SAndroid Build Coastguard Worker              vst1_s8(c${M}, vout${M}x01234567); c${M} += 8;
295*4bdc9457SAndroid Build Coastguard Worker          $for M in reversed(range(MR)):
296*4bdc9457SAndroid Build Coastguard Worker            $if M % 2 == 1:
297*4bdc9457SAndroid Build Coastguard Worker              vout${M-1}x01234567_${M}x01234567 = vcombine_s8(vget_high_s8(vout${M-1}x0123456789ABCDEF), vget_high_s8(vout${M}x0123456789ABCDEF));
298*4bdc9457SAndroid Build Coastguard Worker            $elif M + 1 == MR:
299*4bdc9457SAndroid Build Coastguard Worker              vout${M}x01234567 = vget_high_s8(vout${M}x0123456789ABCDEF);
300*4bdc9457SAndroid Build Coastguard Worker        }
301*4bdc9457SAndroid Build Coastguard Worker      if (nc & 4) {
302*4bdc9457SAndroid Build Coastguard Worker        $for M in reversed(range(MR)):
303*4bdc9457SAndroid Build Coastguard Worker          $if M % 2 == 1:
304*4bdc9457SAndroid Build Coastguard Worker            vst1q_lane_u32((void*) c${M}, vreinterpretq_u32_s8(vout${M-1}x01234567_${M}x01234567), 2); c${M} += 4;
305*4bdc9457SAndroid Build Coastguard Worker            vst1q_lane_u32((void*) c${M-1}, vreinterpretq_u32_s8(vout${M-1}x01234567_${M}x01234567), 0); c${M-1} += 4;
306*4bdc9457SAndroid Build Coastguard Worker          $elif M + 1 == MR:
307*4bdc9457SAndroid Build Coastguard Worker            vst1_lane_u32((void*) c${M}, vreinterpret_u32_s8(vout${M}x01234567), 0); c${M} += 4;
308*4bdc9457SAndroid Build Coastguard Worker        $for M in reversed(range(MR)):
309*4bdc9457SAndroid Build Coastguard Worker          $if M % 2 == 1:
310*4bdc9457SAndroid Build Coastguard Worker            vout${M-1}x01234567_${M}x01234567 = vextq_s8(vout${M-1}x01234567_${M}x01234567, vout${M-1}x01234567_${M}x01234567, 4);
311*4bdc9457SAndroid Build Coastguard Worker          $elif M + 1 == MR:
312*4bdc9457SAndroid Build Coastguard Worker            vout${M}x01234567 = vext_s8(vout${M}x01234567, vout${M}x01234567, 4);
313*4bdc9457SAndroid Build Coastguard Worker      }
314*4bdc9457SAndroid Build Coastguard Worker      if (nc & 2) {
315*4bdc9457SAndroid Build Coastguard Worker        $for M in reversed(range(MR)):
316*4bdc9457SAndroid Build Coastguard Worker          $if M % 2 == 1:
317*4bdc9457SAndroid Build Coastguard Worker            vst1q_lane_u16((void*) c${M}, vreinterpretq_u16_s8(vout${M-1}x01234567_${M}x01234567), 4); c${M} += 2;
318*4bdc9457SAndroid Build Coastguard Worker            vst1q_lane_u16((void*) c${M-1}, vreinterpretq_u16_s8(vout${M-1}x01234567_${M}x01234567), 0); c${M-1} += 2;
319*4bdc9457SAndroid Build Coastguard Worker          $elif M + 1 == MR:
320*4bdc9457SAndroid Build Coastguard Worker            vst1_lane_u16((void*) c${M}, vreinterpret_u16_s8(vout${M}x01234567), 0); c${M} += 2;
321*4bdc9457SAndroid Build Coastguard Worker        $for M in reversed(range(MR)):
322*4bdc9457SAndroid Build Coastguard Worker          $if M % 2 == 1:
323*4bdc9457SAndroid Build Coastguard Worker            vout${M-1}x01234567_${M}x01234567 = vextq_s8(vout${M-1}x01234567_${M}x01234567, vout${M-1}x01234567_${M}x01234567, 2);
324*4bdc9457SAndroid Build Coastguard Worker          $elif M + 1 == MR:
325*4bdc9457SAndroid Build Coastguard Worker            vout${M}x01234567 = vext_s8(vout${M}x01234567, vout${M}x01234567, 2);
326*4bdc9457SAndroid Build Coastguard Worker      }
327*4bdc9457SAndroid Build Coastguard Worker      if (nc & 1) {
328*4bdc9457SAndroid Build Coastguard Worker        $for M in reversed(range(MR)):
329*4bdc9457SAndroid Build Coastguard Worker          $if M % 2 == 1:
330*4bdc9457SAndroid Build Coastguard Worker            vst1q_lane_s8(c${M}, vout${M-1}x01234567_${M}x01234567, 8);
331*4bdc9457SAndroid Build Coastguard Worker            vst1q_lane_s8(c${M-1}, vout${M-1}x01234567_${M}x01234567, 0);
332*4bdc9457SAndroid Build Coastguard Worker          $elif M + 1 == MR:
333*4bdc9457SAndroid Build Coastguard Worker            vst1_lane_s8(c${M}, vout${M}x01234567, 0);
334*4bdc9457SAndroid Build Coastguard Worker      }
335*4bdc9457SAndroid Build Coastguard Worker
336*4bdc9457SAndroid Build Coastguard Worker      nc = 0;
337*4bdc9457SAndroid Build Coastguard Worker    }
338*4bdc9457SAndroid Build Coastguard Worker  } while (nc != 0);
339*4bdc9457SAndroid Build Coastguard Worker}
340