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Old 28 December 2009, 14:42   #1
Jgames
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Winuae compiled with Intel c/c++ compiler

Hi Tony;
First, thanks a lot for your great work keeping the Amiga alive
What do you think about compiling with the Intel c/c++ compiler? it integrate into Visual studio, and may give up to 10% performance boost.
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Old 28 December 2009, 15:24   #2
wlcina
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where is the evaluation of c compiler of intel ? I just found c++ compiler, can I use c++ compiler on c language ?
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Old 28 December 2009, 15:59   #3
ceztko
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Quote:
Originally Posted by wlcina View Post
where is the evaluation of c compiler of intel ? I just found c++ compiler, can I use c++ compiler on c language ?
Intel c++ compiler is even a c compiler.

In general, you can try compile simple c code with a c++ compiler as ISO C89 code is almost 100% ISO C++98 compatible, but it will produce code that relies on c++ runtime. With real projects with many dependencies (like Winuae) it will fail because of different name mangling rules between c and c++ and because of some c code that is invalid in c++ (like implicit void* cast), that need to be addressed. However it's possible, in theory, but really unuseful as a c compiler knows better how to optimize c code than a c++ one.
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Old 29 December 2009, 17:15   #4
Toni Wilen
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It has been tried 3-4 years ago. There was no speed difference. I don't bother with it anymore.

Even most not-so-modern PCs are more than fast enough for A500 cycle exact and JIT mode won't get any faster because it is JIT compiler that builds the x86 assembly dynamically, not C compiler.
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Old 29 December 2009, 17:41   #5
Cosmos
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This 000/020 emulator is faster than the JIT in WinUAE ?

http://rainemu.swishparty.co.uk/html...ad/latest.html


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