13cea0927SPavel Zbitskiy #include <unistd.h> 23cea0927SPavel Zbitskiy 33cea0927SPavel Zbitskiy int main(void) 43cea0927SPavel Zbitskiy { 53cea0927SPavel Zbitskiy char data[] = {0xaa, 0xaa, 0xf1, 0xf2, 0xf3, 0xc4, 0xaa, 0xaa}; 63cea0927SPavel Zbitskiy char exp[] = {0xaa, 0xaa, 0x00, 0x01, 0x23, 0x4c, 0xaa, 0xaa}; 73cea0927SPavel Zbitskiy int i; 83cea0927SPavel Zbitskiy 93cea0927SPavel Zbitskiy asm volatile( 103cea0927SPavel Zbitskiy " pack 2(4,%[data]),2(4,%[data])\n" 113cea0927SPavel Zbitskiy : 12*f530ba8fSThomas Huth : [data] "a" (&data[0]) 133cea0927SPavel Zbitskiy : "memory"); 143cea0927SPavel Zbitskiy for (i = 0; i < 8; i++) { 153cea0927SPavel Zbitskiy if (data[i] != exp[i]) { 163cea0927SPavel Zbitskiy write(1, "bad data\n", 9); 173cea0927SPavel Zbitskiy return 1; 183cea0927SPavel Zbitskiy } 193cea0927SPavel Zbitskiy } 203cea0927SPavel Zbitskiy return 0; 213cea0927SPavel Zbitskiy } 22