Re: [MSEide-MSEgui-talk] MSElang, the compiler for the MSEide+MSEgui project

2013-12-16 Thread Ivanko B
there're a lot of rapidly growing set of INTEL parallel-aware instructions :

http://software.intel.com/en-us/articles/introduction-to-intel-advanced-vector-extensions

The hardware AES transcoding (Core i* 4+ generation) is also interesting.

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Re: [MSEide-MSEgui-talk] MSElang, implicit type conversions

2013-12-16 Thread Ivanko B
*no* implicit type conversions
===
that's with side (unexpected/unwanted) effects.
But what for to disable :

unsigned := signed ?

Here, user know what he/she wants to get (absolute value of the signed).

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Re: [MSEide-MSEgui-talk] MSElang, implicit type conversions

2013-12-16 Thread Michael Schnell
On 12/16/2013 02:29 PM, Ivanko B wrote:
 unsigned := signed ?

 Here, user know what he/she wants to get
No he does not.
   (absolute value of the signed).

Even you don't :-) .

If you do unsigned := signed; you get the correct positive value if 
positive. But if it is negative you'll get maxunsigned + value + 1, as 
any language I know just preserves the bits in the word.

-Michael


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Re: [MSEide-MSEgui-talk] MSElang, implicit type conversions

2013-12-16 Thread Ivanko B
But if it is negative you'll get maxunsigned + value + 1, as
===
Really it should do internally smth like :

unsigned:= ABS(signed)

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Re: [MSEide-MSEgui-talk] MSElang, implicit type conversions

2013-12-16 Thread Michael Schnell
On 12/16/2013 02:52 PM, Ivanko B wrote:
 But if it is negative you'll get maxunsigned + value + 1, as
 ===
 Really it should do internally smth like :

 unsigned:= ABS(signed)

-1 

This would be different to any known language and much slower.

-Michael

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Re: [MSEide-MSEgui-talk] MSElang, implicit type conversions

2013-12-16 Thread Martin Schreiber
On Monday 16 December 2013 14:29:05 Ivanko B wrote:
 *no* implicit type conversions
 ===
 that's with side (unexpected/unwanted) effects.
 But what for to disable :

 unsigned := signed ?


var
 unsigned: card32;
 signed: int32;
...
 unsigned:= card32(signed);

Assigns the binary value as is, -1 - $.

 Here, user know what he/she wants to get (absolute value of the signed).


 unsigned:= card32(abs(signed));

Martin

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Re: [MSEide-MSEgui-talk] MSElang, implicit type conversions

2013-12-16 Thread Ivanko B
Then typecasts  ABS should be inline-d.

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Re: [MSEide-MSEgui-talk] MSElang, implicit type conversions

2013-12-16 Thread Martin Schreiber
On Monday 16 December 2013 16:44:24 Ivanko B wrote:
 Then typecasts  ABS should be inline-d.

Sure.

Martin

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