Automatically enabling AltiVec [was Re: [PD-dev] [GEM] more cvs commits]

[chris clepper]

The OSX version of GEM is not built using Makefiles, it uses the 
ProjectBuilder IDE included with OSX.  The gcc compiler options 
should be added to the Target settings in ProjectBuilder.

cgc

>Is it possible to make the addition of the altivec flags part of the 
>Makefile?  That would make the altivec enhancements idiot-proof for 
>idiots like me.
>
>.hc
>
>On Monday, Feb 10, 2003, at 14:01 America/New_York, chris clepper wrote:
>
>>the following commits only affect the OSX version of GEM:
>>
>>added altivec to some of the yuv objects:
>>- yuv_add
>>- yuv_adjust
>>- yuv_gain
>>- yuv_mix
>>- yuv_subtract
>>
>>added a cache calculation function to GemPixObj.h
>>
>>to compile with altivec use gcc -faltivec -DALTIVEC
>>
>>speed improvements range from 400 to 725%
>>
>>the next step is adding some sort of processImageYUVAltivec to the 
>>related pix_objects...
>>
>>cgc
>>
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