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Author Topic: fpcupdeluxe - 32bit or 64bit IDE, trunk or stable  (Read 1014 times)

PascalDragon

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Re: fpcupdeluxe - 32bit or 64bit IDE, trunk or stable
« Reply #15 on: November 27, 2025, 09:39:25 pm »
Yes, that is correct. What I explained is that it does not matter much since 80 bit precision is legacy anyway.

It does matter much, because FPC will use 80-bit precision on platforms that support it. So if you compile a program for e.g.i386 or x86_64 excluding Win64 then the compiler will make use of Extended for floating point code and thus it needs to be handled correctly and consistently which a compiler compiled for x86_64-win64 or any platform not supporting 80-bit floating point (e.g. aarch64) does not.

 

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