1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-vmulc/neon.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2021 Google LLC
6 //
7 // This source code is licensed under the BSD-style license found in the
8 // LICENSE file in the root directory of this source tree.
9
10 #include <assert.h>
11
12 #include <arm_neon.h>
13
14 #include <xnnpack/vmul.h>
15
16
xnn_qu8_vmulc_minmax_rndnu_ukernel__neon_ld64_x16(size_t n,const uint8_t * input_a,const uint8_t * input_b,uint8_t * output,const union xnn_qu8_mul_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_qu8_vmulc_minmax_rndnu_ukernel__neon_ld64_x16(
18 size_t n,
19 const uint8_t* input_a,
20 const uint8_t* input_b,
21 uint8_t* output,
22 const union xnn_qu8_mul_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
23 {
24 const uint8x8_t va_zero_point = vld1_dup_u8(params->rndnu_neon.a_zero_point);
25 const int32x4_t vleft_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.left_pre_shift);
26 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
27 const int32x4_t vleft_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.left_post_shift);
28 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
29 const uint8x16_t voutput_min = vld1q_dup_u8(¶ms->rndnu_neon.output_min);
30 const uint8x16_t voutput_max = vld1q_dup_u8(¶ms->rndnu_neon.output_max);
31
32 const uint8x8_t vb = vld1_dup_u8(input_b);
33 const uint8x8_t vb_zero_point = vld1_dup_u8(params->rndnu_neon.b_zero_point);
34 const int16x8_t vxb = vreinterpretq_s16_u16(vsubl_u8(vb, vb_zero_point));
35 for (; n >= 16 * sizeof(uint8_t); n -= 16 * sizeof(uint8_t)) {
36 const uint8x8_t va01234567 = vld1_u8(input_a); input_a += 8;
37 const uint8x8_t va89ABCDEF = vld1_u8(input_a); input_a += 8;
38
39 const int16x8_t vxa01234567 = vreinterpretq_s16_u16(vsubl_u8(va01234567, va_zero_point));
40 const int16x8_t vxa89ABCDEF = vreinterpretq_s16_u16(vsubl_u8(va89ABCDEF, va_zero_point));
41
42 int32x4_t vacc0123 = vmull_s16(vget_low_s16(vxa01234567), vget_low_s16(vxb));
43 int32x4_t vacc4567 = vmull_s16(vget_high_s16(vxa01234567), vget_high_s16(vxb));
44 int32x4_t vacc89AB = vmull_s16(vget_low_s16(vxa89ABCDEF), vget_low_s16(vxb));
45 int32x4_t vaccCDEF = vmull_s16(vget_high_s16(vxa89ABCDEF), vget_high_s16(vxb));
46
47 vacc0123 = vqshlq_s32(vacc0123, vleft_pre_shift);
48 vacc4567 = vqshlq_s32(vacc4567, vleft_pre_shift);
49 vacc89AB = vqshlq_s32(vacc89AB, vleft_pre_shift);
50 vaccCDEF = vqshlq_s32(vaccCDEF, vleft_pre_shift);
51
52 vacc0123 = vqdmulhq_s32(vacc0123, vmultiplier);
53 vacc4567 = vqdmulhq_s32(vacc4567, vmultiplier);
54 vacc89AB = vqdmulhq_s32(vacc89AB, vmultiplier);
55 vaccCDEF = vqdmulhq_s32(vaccCDEF, vmultiplier);
56
57 vacc0123 = vrshlq_s32(vacc0123, vleft_post_shift);
58 vacc4567 = vrshlq_s32(vacc4567, vleft_post_shift);
59 vacc89AB = vrshlq_s32(vacc89AB, vleft_post_shift);
60 vaccCDEF = vrshlq_s32(vaccCDEF, vleft_post_shift);
61
62 #if XNN_ARCH_ARM64
63 int16x8_t vacc01234567 = vqmovn_high_s32(vqmovn_s32(vacc0123), vacc4567);
64 int16x8_t vacc89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc89AB), vaccCDEF);
65 #else
66 int16x8_t vacc01234567 = vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567));
67 int16x8_t vacc89ABCDEF = vcombine_s16(vqmovn_s32(vacc89AB), vqmovn_s32(vaccCDEF));
68 #endif
69
70 vacc01234567 = vqaddq_s16(vacc01234567, voutput_zero_point);
71 vacc89ABCDEF = vqaddq_s16(vacc89ABCDEF, voutput_zero_point);
72
73 #if XNN_ARCH_ARM64
74 uint8x16_t vout0123456789ABCDEF = vqmovun_high_s16(vqmovun_s16(vacc01234567), vacc89ABCDEF);
75 #else
76 uint8x16_t vout0123456789ABCDEF = vcombine_u8(vqmovun_s16(vacc01234567), vqmovun_s16(vacc89ABCDEF));
77 #endif
78
79 vout0123456789ABCDEF = vmaxq_u8(vout0123456789ABCDEF, voutput_min);
80
81 vout0123456789ABCDEF = vminq_u8(vout0123456789ABCDEF, voutput_max);
82
83 vst1q_u8(output, vout0123456789ABCDEF); output += 16;
84 }
85 if XNN_UNLIKELY(n != 0) {
86 do {
87 const uint8x8_t va01234567 = vld1_u8(input_a); input_a += 8;
88
89 const int16x8_t vxa01234567 = vreinterpretq_s16_u16(vsubl_u8(va01234567, va_zero_point));
90
91 int32x4_t vacc0123 = vmull_s16(vget_low_s16(vxa01234567), vget_low_s16(vxb));
92 int32x4_t vacc4567 = vmull_s16(vget_high_s16(vxa01234567), vget_high_s16(vxb));
93
94 vacc0123 = vqshlq_s32(vacc0123, vleft_pre_shift);
95 vacc4567 = vqshlq_s32(vacc4567, vleft_pre_shift);
96
97 vacc0123 = vqdmulhq_s32(vacc0123, vmultiplier);
98 vacc4567 = vqdmulhq_s32(vacc4567, vmultiplier);
99
100 vacc0123 = vrshlq_s32(vacc0123, vleft_post_shift);
101 vacc4567 = vrshlq_s32(vacc4567, vleft_post_shift);
102
103 #if XNN_ARCH_ARM64
104 int16x8_t vacc01234567 = vqmovn_high_s32(vqmovn_s32(vacc0123), vacc4567);
105 #else
106 int16x8_t vacc01234567 = vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567));
107 #endif
108
109 vacc01234567 = vqaddq_s16(vacc01234567, voutput_zero_point);
110
111 uint8x8_t vout01234567 = vqmovun_s16(vacc01234567);
112
113 vout01234567 = vmax_u8(vout01234567, vget_low_u8(voutput_min));
114 vout01234567 = vmin_u8(vout01234567, vget_low_u8(voutput_max));
115 if XNN_LIKELY(n >= (8 * sizeof(uint8_t))) {
116 vst1_u8(output, vout01234567); output += 8;
117 n -= 8 * sizeof(uint8_t);
118 } else {
119 if (n & (4 * sizeof(uint8_t))) {
120 vst1_lane_u32((void*) output, vreinterpret_u32_u8(vout01234567), 0); output += 4;
121 vout01234567 = vext_u8(vout01234567, vout01234567, 4);
122 }
123 if (n & (2 * sizeof(uint8_t))) {
124 vst1_lane_u16((void*) output, vreinterpret_u16_u8(vout01234567), 0); output += 2;
125 vout01234567 = vext_u8(vout01234567, vout01234567, 2);
126 }
127 if (n & (1 * sizeof(uint8_t))) {
128 vst1_lane_u8(output, vout01234567, 0);
129 }
130 n = 0;
131 }
132 } while (n != 0);
133 }
134 }
135