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
|
#include <cinttypes>
#include <cstdint>
#include <cstdio>
union alignas(16) xmm_t {
uint64_t as_uint64[2];
uint8_t as_uint8[16];
};
int main() {
constexpr xmm_t xmm_fill = {
.as_uint64 = { 0, 0 }
};
uint64_t r64[8];
xmm_t xmm[8];
asm volatile(
"movq %2, %%r8\n\t"
"movq %2, %%r9\n\t"
"movq %2, %%r10\n\t"
"movq %2, %%r11\n\t"
"movq %2, %%r12\n\t"
"movq %2, %%r13\n\t"
"movq %2, %%r14\n\t"
"movq %2, %%r15\n\t"
"\n\t"
"movaps %2, %%xmm8\n\t"
"movaps %2, %%xmm9\n\t"
"movaps %2, %%xmm10\n\t"
"movaps %2, %%xmm11\n\t"
"movaps %2, %%xmm12\n\t"
"movaps %2, %%xmm13\n\t"
"movaps %2, %%xmm14\n\t"
"movaps %2, %%xmm15\n\t"
"\n\t"
"int3\n\t"
"\n\t"
"movq %%r8, 0x00(%0)\n\t"
"movq %%r9, 0x08(%0)\n\t"
"movq %%r10, 0x10(%0)\n\t"
"movq %%r11, 0x18(%0)\n\t"
"movq %%r12, 0x20(%0)\n\t"
"movq %%r13, 0x28(%0)\n\t"
"movq %%r14, 0x30(%0)\n\t"
"movq %%r15, 0x38(%0)\n\t"
"\n\t"
"movaps %%xmm8, 0x00(%1)\n\t"
"movaps %%xmm9, 0x10(%1)\n\t"
"movaps %%xmm10, 0x20(%1)\n\t"
"movaps %%xmm11, 0x30(%1)\n\t"
"movaps %%xmm12, 0x40(%1)\n\t"
"movaps %%xmm13, 0x50(%1)\n\t"
"movaps %%xmm14, 0x60(%1)\n\t"
"movaps %%xmm15, 0x70(%1)\n\t"
:
: "a"(r64), "b"(xmm), "m"(xmm_fill)
: "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15", "%xmm8",
"%xmm9", "%xmm10", "%xmm11", "%xmm12", "%xmm13", "%xmm14", "%xmm15"
);
for (int i = 0; i < 8; ++i)
printf("r%d = 0x%016" PRIx64 "\n", i+8, r64[i]);
for (int i = 0; i < 8; ++i) {
printf("xmm%d = { ", i+8);
for (int j = 0; j < sizeof(xmm->as_uint8); ++j)
printf("0x%02x ", xmm[i].as_uint8[j]);
printf("}\n");
}
return 0;
}
|
