gcc/gcc/testsuite/gcc.dg/pr78526.c

22 lines
480 B
C

/* PR rtl-optimization/78526 */
/* { dg-do compile { target int128 } } */
/* { dg-options "-O -fno-tree-ccp -fno-tree-sra -g -w" } */
/* { dg-additional-options "-mavx512bw" { target i?86-*-* x86_64-*-* } } */
typedef unsigned U __attribute__ ((vector_size (64)));
typedef unsigned __int128 V __attribute__ ((vector_size (64)));
static inline V
bar (U u, U x, V v)
{
v = (V)(U) { 0, ~0 };
v[x[0]] <<= u[-63];
return v;
}
V
foo (U u)
{
return bar (u, (U) {}, (V) {});
}