x86-64-read.cpp
1.53 KB
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#include <cstdint>
struct alignas(16) xmm_t {
uint64_t a, b;
};
int main() {
constexpr uint64_t r8[] = {
0x0001020304050607,
0x1011121314151617,
0x2021222324252627,
0x3031323334353637,
0x4041424344454647,
0x5051525354555657,
0x6061626364656667,
0x7071727374757677,
};
constexpr xmm_t xmm8[] = {
{ 0x0F0E0D0C0B0A0908, 0x1716151413121110, },
{ 0x100F0E0D0C0B0A09, 0x1817161514131211, },
{ 0x11100F0E0D0C0B0A, 0x1918171615141312, },
{ 0x1211100F0E0D0C0B, 0x1A19181716151413, },
{ 0x131211100F0E0D0C, 0x1B1A191817161514, },
{ 0x14131211100F0E0D, 0x1C1B1A1918171615, },
{ 0x1514131211100F0E, 0x1D1C1B1A19181716, },
{ 0x161514131211100F, 0x1E1D1C1B1A191817, },
};
asm volatile(
"movq 0x00(%0), %%r8\n\t"
"movq 0x08(%0), %%r9\n\t"
"movq 0x10(%0), %%r10\n\t"
"movq 0x18(%0), %%r11\n\t"
"movq 0x20(%0), %%r12\n\t"
"movq 0x28(%0), %%r13\n\t"
"movq 0x30(%0), %%r14\n\t"
"movq 0x38(%0), %%r15\n\t"
"\n\t"
"movaps 0x00(%1), %%xmm8\n\t"
"movaps 0x10(%1), %%xmm9\n\t"
"movaps 0x20(%1), %%xmm10\n\t"
"movaps 0x30(%1), %%xmm11\n\t"
"movaps 0x40(%1), %%xmm12\n\t"
"movaps 0x50(%1), %%xmm13\n\t"
"movaps 0x60(%1), %%xmm14\n\t"
"movaps 0x70(%1), %%xmm15\n\t"
"\n\t"
"int3\n\t"
:
: "a"(r8), "b"(xmm8)
: "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15", "%xmm8",
"%xmm9", "%xmm10", "%xmm11", "%xmm12", "%xmm13", "%xmm14", "%xmm15"
);
return 0;
}