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/* PR27363. CSE was breaking on the arm store multiple insn used for
structure copies. */
/* { dg-do run } */
/* { dg-options "-Os" } */
extern void abort (void);
struct snd_mask {
unsigned int bits[6];
};
static int __attribute__((noinline))
snd_mask_refine(struct snd_mask *mask)
{
struct snd_mask old;
old = *mask;
if (mask->bits[0]==0 && mask->bits[1]==0)
return 1;
return old.bits[0] != mask->bits[0];
}
int main(int argc, char *argv[])
{
struct snd_mask mask;
mask.bits[0] = 23;
mask.bits[1] = 42;
mask.bits[2] = 0;
mask.bits[3] = 0;
mask.bits[4] = 0;
mask.bits[5] = 0;
if (snd_mask_refine(&mask))
abort();
return 0;
}
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