1 /* 2 * Test the VCKSM instruction. 3 * 4 * SPDX-License-Identifier: GPL-2.0-or-later 5 */ 6 #include <assert.h> 7 #include <stdlib.h> 8 #include <string.h> 9 #include "vx.h" 10 11 int main(void) 12 { 13 S390Vector v1; 14 S390Vector v2 = { 15 .d[0] = 0xb2261c8140edce49ULL, 16 .d[1] = 0x387bf5a433af39d1ULL, 17 }; 18 S390Vector v3 = { 19 .d[0] = 0x73b03d2c7f9e654eULL, 20 .d[1] = 0x23d74e51fb479877ULL, 21 }; 22 S390Vector exp = {.d[0] = 0xdedd7f8eULL, .d[1] = 0ULL}; 23 24 asm volatile("vcksm %[v1],%[v2],%[v3]" 25 : [v1] "=v" (v1.v) 26 : [v2] "v" (v2.v) 27 , [v3] "v" (v3.v)); 28 assert(memcmp(&v1, &exp, sizeof(v1)) == 0); 29 30 return EXIT_SUCCESS; 31 } 32