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/* Test volatile access to unaligned field. */
/* { dg-do compile } */
/* { dg-options "-fno-strict-volatile-bitfields -fdump-rtl-final" } */
#define test_type unsigned short
typedef struct s{
unsigned char Prefix[1];
volatile test_type Type;
}__attribute((__packed__,__aligned__(4))) ss;
extern volatile ss v;
void
foo (test_type u)
{
v.Type = u;
}
/* The C++ memory model forbids data store race conditions outside the
unaligned data member, therefore only QI or HI access is allowed, no SI. */
/* { dg-final { scan-rtl-dump-not "mem/v(/.)*:SI" "final" } } */
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