[XviD-devel] function of the "DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment)"

[josse]

Hi,

i test it and it works better (not perfect) as befor. Thanks

The Compiler is the VisualDSP Ver. 2.2.2.4 from Analog Device.
I dont now  now alignment the compiler is used. This is the Next Problem.

A other question i have.
is the Sourecode 100% ANSI-C i think not. The MS VS6.0 Compiler have 0 
Errors after compiling
but the Analog Device Compiler have a lot of warnings and errors after 
compiling.



suxen_drol schrieb:

>On Tue, 21 Jan 2003 14:03:41 +0100 josse <josse11@epost.de> wrote:
>
>  
>
>>Hi,
>>
>>What function have the
>>    DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment)
>>Macro in the porttab.h File
>>
>>I implement the code to Analog Devices DSP and i dont no if i need the 
>>macro of this platform.
>>
>>Have anyone a idea
>>    
>>
>
>on many platforms there is a significant memory access
>penalty for unaligned data. the purpose of the macro, as the name
>suggests, is to DECLARE an ALIGNED MATRIX (array).
>
>how alignment is performed is dependant upon the compiler. what compiler
>are you using?
>
>
>if you wish to ignore alignment, try the following:
>
>#define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \
>	type name[(sizex)*(sizey)]
>
>-- pete; life is like a box of ammo
>
>
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>  
>