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111
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1 /* PR rtl-optimization/44404
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2 foo() used to be miscompiled on ARM due to a bug in auto-inc-dec.c,
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3 which resulted in "strb r1, [r1], #-36". */
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4
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5 /* { dg-do run } */
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6 /* { dg-options "-O2 -fno-unroll-loops" } */
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7
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8 extern char *strcpy (char *, const char *);
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9 extern int strcmp (const char*, const char*);
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10 extern void abort (void);
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11
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12 char buf[128];
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13
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14 void __attribute__((noinline))
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15 bar (int a, const char *p)
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16 {
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17 if (strcmp (p, "0123456789abcdefghijklmnopqrstuvwxyz") != 0)
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18 abort ();
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19 }
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20
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21 void __attribute__((noinline))
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22 foo (int a)
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23 {
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24 if (a)
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25 bar (0, buf);
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26 strcpy (buf, "0123456789abcdefghijklmnopqrstuvwxyz");
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27 bar (0, buf);
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28 }
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29
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30 int
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31 main (void)
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32 {
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33 foo (0);
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34 return 0;
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35 }
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