Dear all,

  In the document http://www.digitalmars.com/d/iasm.html, section "Operand Types" does not contain the keyword "qword ptr".
  This keyword is required even for 32bit machines. Some MMX instructions take arguments of this type!
  Did I miss something?


Best,
Tiago

-- 
Tiago Gasiba (M.Sc.) - http://www.gasiba.de
Everything should be made as simple as possible, but not simpler.

"Tiago Gasiba" <tiago.gasiba@gmail.com> wrote in message news:do8jcs$2mia$1@digitaldaemon.com...
> Dear all,
>
>  In the document http://www.digitalmars.com/d/iasm.html, section "Operand
> Types" does not contain the keyword "qword ptr".
>  This keyword is required even for 32bit machines. Some MMX instructions
> take arguments of this type!
>  Did I miss something?

I always found qword ptr confusing. You can use "long ptr" or "double ptr" depending on what is needed.

Walter Bright wrote:
> "Tiago Gasiba" <tiago.gasiba@gmail.com> wrote in message news:do8jcs$2mia$1@digitaldaemon.com...
> 
>>Dear all,
>>
>> In the document http://www.digitalmars.com/d/iasm.html, section "Operand 
>>Types" does not contain the keyword "qword ptr".
>> This keyword is required even for 32bit machines. Some MMX instructions 
>>take arguments of this type!
>> Did I miss something?
> 
> 
> I always found qword ptr confusing. You can use "long ptr" or "double ptr" depending on what is needed. 

BTW: On that page, "Operand types" still contains a reference to "extended ptr". This was changed in the compiler a long time ago. Spec should read "real ptr".

The only surviving trace of the old name "extended" is in the "de" pseudo-op. I wonder if it should be "dr"? I think that "de" is non-standard anyway, it is "dt" (stupid name) on most assemblers I've used.

Don Clugston schrieb:

> Walter Bright wrote:
>> "Tiago Gasiba" <tiago.gasiba@gmail.com> wrote in message news:do8jcs$2mia$1@digitaldaemon.com...
>> 
>>>Dear all,
>>>
>>> In the document http://www.digitalmars.com/d/iasm.html, section "Operand
>>>Types" does not contain the keyword "qword ptr".
>>> This keyword is required even for 32bit machines. Some MMX instructions
>>>take arguments of this type!
>>> Did I miss something?
>> 
>> 
>> I always found qword ptr confusing. You can use "long ptr" or "double ptr" depending on what is needed.
> 
> BTW: On that page, "Operand types" still contains a reference to "extended ptr". This was changed in the compiler a long time ago. Spec should read "real ptr".
> 
> The only surviving trace of the old name "extended" is in the "de" pseudo-op. I wonder if it should be "dr"? I think that "de" is non-standard anyway, it is "dt" (stupid name) on most assemblers I've used.

Thanks for the repply.
Please note that in the same document "long ptr" is not mentioned - the HTML doc needs to be updated!

Best,
Tiago

-- 
Tiago Gasiba (M.Sc.) - http://www.gasiba.de
Everything should be made as simple as possible, but not simpler.