1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
/******************************************************************************\
* Authors: Iconoclast *
* Release: 2013.11.26 *
* License: CC0 Public Domain Dedication *
* *
* To the extent possible under law, the author(s) have dedicated all copyright *
* and related and neighboring rights to this software to the public domain *
* worldwide. This software is distributed without any warranty. *
* *
* You should have received a copy of the CC0 Public Domain Dedication along *
* with this software. *
* If not, see <http://creativecommons.org/publicdomain/zero/1.0/>. *
\******************************************************************************/
#include "vu.h"
INLINE static void do_eq(usf_state_t * state, short* VD, short* VS, short* VT)
{
register int i;
#ifdef ARCH_MIN_ARM_NEON
int16x8_t one = vdupq_n_s16(1);
int16x8_t zero = vdupq_n_s16(0);
int16x8_t vs = vld1q_s16((const int16_t *)VS);
int16x8_t vt = vld1q_s16((const int16_t *)VT);
int16x8_t v_ne = vld1q_s16((const int16_t *)state->ne);
uint16x8_t v_comp = vceqq_s16(vs, vt);
int16x8_t v_comp_ = vnegq_s16((int16x8_t)v_comp);
v_ne = veorq_s16(v_ne, one);
v_comp_ = vandq_s16(v_comp_, v_ne);
vector_copy(VACC_L, VT);
vector_copy(VD, VACC_L);
vst1q_s16(state->comp,v_comp_);
vst1q_s16(state->ne,zero);
vst1q_s16(state->co,zero);
return;
#else
for (i = 0; i < N; i++)
state->clip[i] = 0;
for (i = 0; i < N; i++)
state->comp[i] = (VS[i] == VT[i]);
for (i = 0; i < N; i++)
state->comp[i] = state->comp[i] & (state->ne[i] ^ 1);
#if (0)
merge(VACC_L, state->comp, VS, VT); /* correct but redundant */
#else
vector_copy(VACC_L, VT);
#endif
vector_copy(VD, VACC_L);
for (i = 0; i < N; i++)
state->ne[i] = 0;
for (i = 0; i < N; i++)
state->co[i] = 0;
return;
#endif
}
static void VEQ(usf_state_t * state, int vd, int vs, int vt, int e)
{
ALIGNED short ST[N];
SHUFFLE_VECTOR(ST, state->VR[vt], e);
do_eq(state, state->VR[vd], state->VR[vs], ST);
return;
}