[Patch] Fix __mips16 undef macro warnings.

[Carlos O'Donell]

On 04/29/2014 05:03 PM, Joseph S. Myers wrote:
> On Tue, 29 Apr 2014, Carlos O'Donell wrote:
> 
>> Add a large descriptive comment about the use of __mips16
>> here and perhaps even talk about __mips32 and __mips64.
> 
> I think a large comment about a compiler-defined macro would be completely 
> out-of-place in this header - in MIPS-specific code, commenting on a test 
> of __mips16 is just like
> 
>   i++; /* Add 1 to i.  */
> 
> in generic C code.  You can comment about *why* testing MIPS16 is 
> relevant, but *what* the test does and *how* it does it are complete plain 
> and don't need commenting.
> 

My personal threshold for adding comments is set pretty low :-)

c.