1 // Auto-generated file. Do not edit!
2 // Template: src/f32-gemm/wasmsimd-s4.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2020 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 <wasm_simd128.h>
13
14 #include <xnnpack/gemm.h>
15
16
xnn_f32_gemminc_minmax_ukernel_1x8s4__wasmsimd_x86(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 float * restrict acc,const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_f32_gemminc_minmax_ukernel_1x8s4__wasmsimd_x86(
18 size_t mr,
19 size_t nc,
20 size_t kc,
21 const float*restrict a,
22 size_t a_stride,
23 const float*restrict w,
24 float*restrict c,
25 size_t cm_stride,
26 size_t cn_stride,
27 const float*restrict acc,
28 const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
29 {
30 assert(mr != 0);
31 assert(mr <= 1);
32 assert(nc != 0);
33 assert(kc != 0);
34 assert(kc % sizeof(float) == 0);
35 assert(a != NULL);
36 assert(w != NULL);
37 assert(c != NULL);
38 assert(acc != NULL);
39
40 const float* a0 = a;
41 float* c0 = c;
42
43 do {
44 v128_t vacc0x0123 = wasm_v128_load(acc + 0);
45 v128_t vacc0x4567 = wasm_v128_load(acc + 4);
46 acc += 8;
47
48 size_t k = kc;
49 while (k >= 4 * sizeof(float)) {
50 v128_t va0 = wasm_v128_load(a0);
51 a0 += 4;
52
53
54 const v128_t vb0123c0 = wasm_v128_load(w + 0);
55 const v128_t vb4567c0 = wasm_v128_load(w + 4);
56
57 vacc0x0123 = wasm_f32x4_add(vacc0x0123, wasm_f32x4_mul(va0, vb0123c0));
58 vacc0x4567 = wasm_f32x4_add(vacc0x4567, wasm_f32x4_mul(va0, vb4567c0));
59
60 va0 = wasm_v32x4_shuffle(va0, va0, 1, 2, 3, 0);
61
62 const v128_t vb0123c1 = wasm_v128_load(w + 8);
63 const v128_t vb4567c1 = wasm_v128_load(w + 12);
64
65 vacc0x0123 = wasm_f32x4_add(vacc0x0123, wasm_f32x4_mul(va0, vb0123c1));
66 vacc0x4567 = wasm_f32x4_add(vacc0x4567, wasm_f32x4_mul(va0, vb4567c1));
67
68 va0 = wasm_v32x4_shuffle(va0, va0, 1, 2, 3, 0);
69
70 const v128_t vb0123c2 = wasm_v128_load(w + 16);
71 const v128_t vb4567c2 = wasm_v128_load(w + 20);
72
73 vacc0x0123 = wasm_f32x4_add(vacc0x0123, wasm_f32x4_mul(va0, vb0123c2));
74 vacc0x4567 = wasm_f32x4_add(vacc0x4567, wasm_f32x4_mul(va0, vb4567c2));
75
76 va0 = wasm_v32x4_shuffle(va0, va0, 1, 2, 3, 0);
77
78 const v128_t vb0123c3 = wasm_v128_load(w + 24);
79 const v128_t vb4567c3 = wasm_v128_load(w + 28);
80
81 vacc0x0123 = wasm_f32x4_add(vacc0x0123, wasm_f32x4_mul(va0, vb0123c3));
82 vacc0x4567 = wasm_f32x4_add(vacc0x4567, wasm_f32x4_mul(va0, vb4567c3));
83
84
85 w += 32;
86 k -= 4 * sizeof(float);
87 }
88 if XNN_UNLIKELY(k != 0) {
89 do {
90 const v128_t va0 = wasm_v32x4_load_splat(a0);
91 a0 += 1;
92
93 const v128_t vb0123 = wasm_v128_load(w);
94 const v128_t vb4567 = wasm_v128_load(w + 4);
95 w += 8;
96
97 vacc0x0123 = wasm_f32x4_add(vacc0x0123, wasm_f32x4_mul(va0, vb0123));
98 vacc0x4567 = wasm_f32x4_add(vacc0x4567, wasm_f32x4_mul(va0, vb4567));
99
100 k -= sizeof(float);
101 } while (k != 0);
102 }
103
104 const v128_t vmin = wasm_v32x4_load_splat(¶ms->scalar.min);
105 vacc0x0123 = wasm_v128_bitselect(vmin, vacc0x0123, wasm_f32x4_lt(vacc0x0123, vmin));
106 vacc0x4567 = wasm_v128_bitselect(vmin, vacc0x4567, wasm_f32x4_lt(vacc0x4567, vmin));
107
108 const v128_t vmax = wasm_v32x4_load_splat(¶ms->scalar.max);
109 vacc0x0123 = wasm_v128_bitselect(vacc0x0123, vmax, wasm_f32x4_le(vacc0x0123, vmax));
110 vacc0x4567 = wasm_v128_bitselect(vacc0x4567, vmax, wasm_f32x4_le(vacc0x4567, vmax));
111
112 if XNN_LIKELY(nc >= 8) {
113 wasm_v128_store(c0, vacc0x0123);
114 wasm_v128_store(c0 + 4, vacc0x4567);
115 c0 = (float*) ((uintptr_t) c0 + cn_stride);
116
117 a0 = (const float*) ((uintptr_t) a0 - kc);
118
119 nc -= 8;
120 } else {
121 if (nc & 4) {
122 wasm_v128_store(c0, vacc0x0123);
123
124 vacc0x0123 = vacc0x4567;
125
126 c0 += 4;
127 }
128 if (nc & 2) {
129 *((double*) c0) = wasm_f64x2_extract_lane(vacc0x0123, 0);
130
131 vacc0x0123 = wasm_v32x4_shuffle(vacc0x0123, vacc0x0123, 2, 3, 2, 3);
132
133 c0 += 2;
134 }
135 if (nc & 1) {
136 *c0 = wasm_f32x4_extract_lane(vacc0x0123, 0);
137 }
138
139 nc = 0;
140 }
141 } while (nc != 0);
142 }
143