gcc/testsuite/gcc.target/i386/pr106748.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O0 -mavx256-split-unaligned-store -mavx -fpack-struct" } */
   3
   4 typedef __bf16 __m256bf16 __attribute__((__vector_size__(32)));
   5 typedef struct {
   6   __m256bf16 _m256bf16[1];
   7 } YMM_T;
   8
   9 struct {
  10   YMM_T ymm0;
  11 } fregs;
  12
  13 __m256bf16 do_test_u3b_0_0;
  14 int do_test_i;
  15
  16 void
  17 do_test()
  18 {
  19   (&fregs.ymm0)[do_test_i]._m256bf16[0] = do_test_u3b_0_0;
  20 }