optimization by as

[Virendra Kumar Pathak]

Hi Paul,

Thanks for the explanation.

On 10 August 2015 at 20:23,  <Paul_Koning@dell.com> wrote:
>
>> On Aug 10, 2015, at 2:41 AM, Virendra Kumar Pathak <kumarvir.pathak@gmail.com> wrote:
>>
>> Hi Andrew,
>>
>> Thanks for the reply.
>>
>> What other types of optimization can be handled by the assembler ?
>> Are they capable of re-ordering the instructions ?
>> For example inserting other instruction between two loads (on machine
>> with one load unit) to avoid pipeline stall.
>
> Good assemblers don’t do optimization; that is the job of the compiler (or, in the uncommon case of hand-written assembly language, the programmer).  The MIPS assembler is an aberration, fortunately a rare one.  Note that this “optimization” machinery is turned off by recent compilers when they feed generated code to the assembler, because it gets in the way of the compiler doing a better job.
>
>         paul
>



-- 
with regards,
Virendra Kumar Pathak