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 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