1 /* { dg-do run { target { bmi2 && { ! ia32 } } } } */ 2 /* { dg-options "-mbmi2 -O2 -dp" } */ 3 4 #include "bmi2-check.h" 5 6 __attribute__((noinline)) 7 unsigned long long calc_shrx_u64(unsigned long long a,int l)8calc_shrx_u64 (unsigned long long a, int l) 9 { 10 unsigned long long volatile res = a; 11 int i; 12 for (i = 0; i < l; ++i) 13 res >>= 1; 14 15 return res; 16 } 17 18 static void bmi2_test()19bmi2_test () 20 { 21 unsigned i; 22 unsigned long long src = 0xce7ace0ce7ace0; 23 unsigned long long res, res_ref; 24 25 for (i = 0; i < 5; ++i) { 26 src = src * (i + 1); 27 28 res_ref = calc_shrx_u64 (src, i + 1); 29 res = src >> (i + 1); 30 31 if (res != res_ref) 32 abort(); 33 } 34 } 35