> More of an outsiders thoughts of a summary of the supposed experts, for 
> comment, that's why I noted up front my qualifications. :)
> 1: Should a compiler, do a reasonable job of generating code on a line 
> by line basis, or is this not expected if the targets are a mixed bag of 
> devices in a family?

I see no reason why it should.

> 2: When you specify a target device, should the compiler generate 
> different code, then for a different device? This is excluding hardware 
> specifics like ADC, EUARTS ,UARTS, etc. which I would assume be handled 
> correctly for the device.

If the devices are sufficiently different the code will be forced to be 
different.

> 3: Should the optimizer then take that code generated on a line by line 
> basis and improve it by eliminating duplicates, and unnecessary steps?

could, but not necessary

-- 

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist