/* { dg-do run { target { ! ia32 } } } */ /* { dg-options "-O2 -march=x86-64 -mtune=skylake -mavx2" } */ #include char z[64]; int i; __attribute__((noipa)) int do_test (void) { register int xmm15 __asm ("xmm15") = i; asm volatile ("" : "+v" (xmm15)); __builtin_memset (&z, 0, sizeof (z)); register int xmm2 __asm ("xmm2") = xmm15; asm volatile ("" : "+v" (xmm2)); return xmm2; } __attribute__((target("arch=x86-64"))) int main (void) { if (__builtin_cpu_supports ("avx2")) { i = 4; if (do_test () != 4) __builtin_abort (); } return 0; }