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
|
// vfmerge_vf vd, vs2, vs1, vm
VI_CHECK_SSS(false);
VI_VFP_COMMON;
switch(P.VU.vsew) {
case e16:
for (reg_t i=P.VU.vstart; i<vl; ++i) {
auto &vd = P.VU.elt<float16_t>(rd_num, i, true);
auto rs1 = f16(READ_FREG(rs1_num));
auto vs2 = P.VU.elt<float16_t>(rs2_num, i);
int midx = (P.VU.vmlen * i) / 64;
int mpos = (P.VU.vmlen * i) % 64;
bool use_first = (P.VU.elt<uint64_t>(0, midx) >> mpos) & 0x1;
vd = use_first ? rs1 : vs2;
}
break;
case e32:
for (reg_t i=P.VU.vstart; i<vl; ++i) {
auto &vd = P.VU.elt<float32_t>(rd_num, i, true);
auto rs1 = f32(READ_FREG(rs1_num));
auto vs2 = P.VU.elt<float32_t>(rs2_num, i);
int midx = (P.VU.vmlen * i) / 64;
int mpos = (P.VU.vmlen * i) % 64;
bool use_first = (P.VU.elt<uint64_t>(0, midx) >> mpos) & 0x1;
vd = use_first ? rs1 : vs2;
}
break;
case e64:
for (reg_t i=P.VU.vstart; i<vl; ++i) {
auto &vd = P.VU.elt<float64_t>(rd_num, i, true);
auto rs1 = f64(READ_FREG(rs1_num));
auto vs2 = P.VU.elt<float64_t>(rs2_num, i);
int midx = (P.VU.vmlen * i) / 64;
int mpos = (P.VU.vmlen * i) % 64;
bool use_first = (P.VU.elt<uint64_t>(0, midx) >> mpos) & 0x1;
vd = use_first ? rs1 : vs2;
}
break;
default:
require(0);
break;
}
P.VU.vstart = 0;
|
