xref: /llvm-project/lldb/test/Shell/Register/Inputs/x86-mm-xmm-read.cpp (revision 87aa9c9e4d41ed881453e2fab85b3d25f648bb55)
1 #include <cstdint>
2 
3 struct alignas(16) xmm_t {
4   uint64_t a, b;
5 };
6 
main()7 int main() {
8   constexpr uint64_t mm[] = {
9     0x0001020304050607,
10     0x1011121314151617,
11     0x2021222324252627,
12     0x3031323334353637,
13     0x4041424344454647,
14     0x5051525354555657,
15     0x6061626364656667,
16     0x7071727374757677,
17   };
18 
19   constexpr xmm_t xmm[] = {
20     { 0x0706050403020100, 0x0F0E0D0C0B0A0908, },
21     { 0x0807060504030201, 0x100F0E0D0C0B0A09, },
22     { 0x0908070605040302, 0x11100F0E0D0C0B0A, },
23     { 0x0A09080706050403, 0x1211100F0E0D0C0B, },
24     { 0x0B0A090807060504, 0x131211100F0E0D0C, },
25     { 0x0C0B0A0908070605, 0x14131211100F0E0D, },
26     { 0x0D0C0B0A09080706, 0x1514131211100F0E, },
27     { 0x0E0D0C0B0A090807, 0x161514131211100F, },
28   };
29 
30   asm volatile(
31     "movq     0x00(%0), %%mm0\n\t"
32     "movq     0x08(%0), %%mm1\n\t"
33     "movq     0x10(%0), %%mm2\n\t"
34     "movq     0x18(%0), %%mm3\n\t"
35     "movq     0x20(%0), %%mm4\n\t"
36     "movq     0x28(%0), %%mm5\n\t"
37     "movq     0x30(%0), %%mm6\n\t"
38     "movq     0x38(%0), %%mm7\n\t"
39     "\n\t"
40     "movaps   0x00(%1), %%xmm0\n\t"
41     "movaps   0x10(%1), %%xmm1\n\t"
42     "movaps   0x20(%1), %%xmm2\n\t"
43     "movaps   0x30(%1), %%xmm3\n\t"
44     "movaps   0x40(%1), %%xmm4\n\t"
45     "movaps   0x50(%1), %%xmm5\n\t"
46     "movaps   0x60(%1), %%xmm6\n\t"
47     "movaps   0x70(%1), %%xmm7\n\t"
48     "\n\t"
49     "int3\n\t"
50     :
51     : "a"(mm), "b"(xmm)
52     : "%mm0", "%mm1", "%mm2", "%mm3", "%mm4", "%mm5", "%mm6", "%mm7",
53       "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7"
54   );
55 
56   return 0;
57 }
58