58 lines · cpp
1#include <cstdint>2 3struct alignas(16) xmm_t {4 uint64_t a, b;5};6 7int main() {8 constexpr uint64_t r8[] = {9 0x0001020304050607,10 0x1011121314151617,11 0x2021222324252627,12 0x3031323334353637,13 0x4041424344454647,14 0x5051525354555657,15 0x6061626364656667,16 0x7071727374757677,17 };18 19 constexpr xmm_t xmm8[] = {20 { 0x0F0E0D0C0B0A0908, 0x1716151413121110, },21 { 0x100F0E0D0C0B0A09, 0x1817161514131211, },22 { 0x11100F0E0D0C0B0A, 0x1918171615141312, },23 { 0x1211100F0E0D0C0B, 0x1A19181716151413, },24 { 0x131211100F0E0D0C, 0x1B1A191817161514, },25 { 0x14131211100F0E0D, 0x1C1B1A1918171615, },26 { 0x1514131211100F0E, 0x1D1C1B1A19181716, },27 { 0x161514131211100F, 0x1E1D1C1B1A191817, },28 };29 30 asm volatile(31 "movq 0x00(%0), %%r8\n\t"32 "movq 0x08(%0), %%r9\n\t"33 "movq 0x10(%0), %%r10\n\t"34 "movq 0x18(%0), %%r11\n\t"35 "movq 0x20(%0), %%r12\n\t"36 "movq 0x28(%0), %%r13\n\t"37 "movq 0x30(%0), %%r14\n\t"38 "movq 0x38(%0), %%r15\n\t"39 "\n\t"40 "movaps 0x00(%1), %%xmm8\n\t"41 "movaps 0x10(%1), %%xmm9\n\t"42 "movaps 0x20(%1), %%xmm10\n\t"43 "movaps 0x30(%1), %%xmm11\n\t"44 "movaps 0x40(%1), %%xmm12\n\t"45 "movaps 0x50(%1), %%xmm13\n\t"46 "movaps 0x60(%1), %%xmm14\n\t"47 "movaps 0x70(%1), %%xmm15\n\t"48 "\n\t"49 "int3\n\t"50 :51 : "a"(r8), "b"(xmm8)52 : "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15", "%xmm8",53 "%xmm9", "%xmm10", "%xmm11", "%xmm12", "%xmm13", "%xmm14", "%xmm15"54 );55 56 return 0;57}58