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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-O2" } */
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3
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4 char *buffer;
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5 char *test;
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6
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7 #define SIZE 100
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8
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9 char *
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10 __attribute__((noinline))
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11 my_memcpy (char *d, char *s, unsigned l)
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12 {
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13 return __builtin_memcpy (d, s, l);
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14 }
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15
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16 char *
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17 __attribute__((noinline))
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18 my_mempcpy (char *d, char *s, unsigned l)
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19 {
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20 return __builtin_mempcpy (d, s, l);
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21 }
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22
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23 void
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24 run_test (char *d, char *s, unsigned l)
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25 {
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26 char *r = my_mempcpy (d, s, l);
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27 if (r != d + l)
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28 __builtin_abort ();
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29
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30 r = my_memcpy (d, s, l);
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31 if (r != d)
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32 __builtin_abort ();
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33 }
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34
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35 int
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36 main (void)
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37 {
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38 const char* const foo = "hello world";
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39 unsigned l = __builtin_strlen (foo) + 1;
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40
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41 buffer = __builtin_malloc (SIZE);
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42 __builtin_memcpy (buffer, foo, l);
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43 test = __builtin_malloc (SIZE);
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44
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45 run_test (test, buffer, l);
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46
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47 return 0;
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48 }
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49
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131
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50 /* { dg-final { scan-assembler "mempcpy" } } */
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111
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51 /* { dg-final { scan-assembler "memcpy" } } */
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