52 lines
875 B
C
52 lines
875 B
C
/* { dg-do compile } */
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/* { dg-options "-O2" } */
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char *buffer;
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char *test;
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#define SIZE 100
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char *
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__attribute__((noinline))
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my_memcpy (char *d, char *s, unsigned l)
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{
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return __builtin_memcpy (d, s, l);
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}
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char *
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__attribute__((noinline))
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my_mempcpy (char *d, char *s, unsigned l)
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{
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return __builtin_mempcpy (d, s, l);
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}
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void
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run_test (char *d, char *s, unsigned l)
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{
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char *r = my_mempcpy (d, s, l);
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if (r != d + l)
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__builtin_abort ();
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r = my_memcpy (d, s, l);
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if (r != d)
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__builtin_abort ();
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}
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int
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main (void)
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{
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const char* const foo = "hello world";
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unsigned l = __builtin_strlen (foo) + 1;
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buffer = __builtin_malloc (SIZE);
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__builtin_memcpy (buffer, foo, l);
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test = __builtin_malloc (SIZE);
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run_test (test, buffer, l);
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return 0;
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}
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/* { dg-final { scan-assembler "mempcpy" } } */
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/* { dg-final { scan-assembler "memcpy" } } */
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