[PATCH] Use memcpy in memmove when possible

Maxim Kuvyrkov maxim@codesourcery.com
Sat Sep 1 08:38:00 GMT 2012


On 1/09/2012, at 8:25 PM, Andreas Schwab wrote:

> Maxim Kuvyrkov <maxim@codesourcery.com> writes:
> 
>> @@ -79,10 +82,17 @@ MEMMOVE (a1, a2, len)
>> 
>>       /* There are just a few bytes to copy.  Use byte memory operations.  */
>>       BYTE_COPY_FWD (dstp, srcp, len);
>> +#endif /* MEMCPY_OK_FOR_FWD_MEMMOVE */
>> +
>> +      RETURN (dest);
> 
> Why is it necessary to duplicate this?

You mean the RETURN?  It's not necessary to duplicate it in both if- and then-branches, just a matter of personal coding taste.

--
Maxim Kuvyrkov
CodeSourcery / Mentor Graphics



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