[VxWorks] Fix builtins tests

[Nathan Sidwell]

Richard Sandiford wrote:

> gcc/testsuite/
> 	* gcc.c-torture/execute/builtins/memmove-lib.c: Include lib/bzero.c
> 	and lib/bfill.c on VxWorks targets.
> 	* gcc.c-torture/execute/builtins/memmove-2-lib.c: Likewise.
> 	* gcc.c-torture/execute/builtins/strchr-lib.c: Include lib/bzero.c,
> 	lib/bfill.c and lib/memmove.c on VxWorks targets.
> 	* gcc.c-torture/execute/builtins/strrchr-lib.c: Likewise.
> 	* gcc.c-torture/execute/builtins/memops-asm-lib.c: Include lib/bfill.c
> 	on VxWorks targets.
> 	* gcc.c-torture/execute/builtins/lib/bzero.c: New file.
> 	* gcc.c-torture/execute/builtins/lib/bfill.c: Likewise.

ok by me, with a minor change ...

>
> Index: gcc/testsuite/gcc.c-torture/execute/builtins/lib/bzero.c

> +bzero (void *s, __SIZE_TYPE__ n)
> +{
> +  char *p;
> +
> +#ifdef __OPTIMIZE__
> +  if (inside_main)
> +    abort ();
> +#endif
> +
> +  for (p = s; n-- > 0; p++)
> +    *p = 0;
> +}

The inside_main check should be after the actual initialization.  Some crt's use 
memset/bzero to initialize bss, and inside_main might be placed in bss. (see 
memset.c in the same directory).

> Index: gcc/testsuite/gcc.c-torture/execute/builtins/lib/bfill.c

> +void
> +bfill (void *s, __SIZE_TYPE__ n, int ch)
> +{
> +  char *p;
> +
> +#ifdef __OPTIMIZE__
> +  if (inside_main)
> +    abort ();
> +#endif
> +
> +  for (p = s; n-- > 0; p++)
> +    *p = ch;
> +}

Likewise.

I'm not sure you need Janis's approval too.  Wait 24 hours to see if she spots 
something I missed.

nathan
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Nathan Sidwell    ::   http://www.codesourcery.com   ::         CodeSourcery
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