[fpc-pascal] Do I need to make fpc 3.0.0 twice?

Peter peter at pblackman.plus.com
Wed Jan 13 00:50:40 CET 2016


On 10/01/16 15:35, Jonas Maebe wrote:
> On 10/01/16 16:22, Bo Berglund wrote:
>> I always use the make all command via the Makefile.
>> So do I read you right that the Makefile compiles the compiler twice,
>> once using the seed compiler and then using the thus created compiler?
> 
> It compiles it thrice: once more in the end to ensure that the resulting
> compiler is "stable", in the sense that it generates the same code when
> compiled with itself as when compiled with a previous release.
> 
> 
> Jonas
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> 

But what about optimising the RTL to -O4?

I did a separate pass to build the RTL with -O4 which 2.64 does not
support. I found it makes a useful difference to the execution speed of
some programs.


Peter


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