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111
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1 /* PR27363. CSE was breaking on the arm store multiple insn used for
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2 structure copies. */
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3 /* { dg-do run } */
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4 /* { dg-options "-Os" } */
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5 extern void abort (void);
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6
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7 struct snd_mask {
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8 unsigned int bits[6];
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9 };
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10
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11 static int __attribute__((noinline))
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12 snd_mask_refine(struct snd_mask *mask)
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13 {
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14 struct snd_mask old;
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15
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16 old = *mask;
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17 if (mask->bits[0]==0 && mask->bits[1]==0)
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18 return 1;
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19
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20 return old.bits[0] != mask->bits[0];
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21 }
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22
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23 int main(int argc, char *argv[])
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24 {
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25 struct snd_mask mask;
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26
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27
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28 mask.bits[0] = 23;
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29 mask.bits[1] = 42;
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30 mask.bits[2] = 0;
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31 mask.bits[3] = 0;
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32 mask.bits[4] = 0;
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33 mask.bits[5] = 0;
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34
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35
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36 if (snd_mask_refine(&mask))
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37 abort();
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38 return 0;
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39 }
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