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Re: 32 to 64 upgrade notion



* Ernest jw ter Kuile (ejwtk04@xs4all.nl) ha scritto:
> Today, on AMD64, 64 bit soft has a small performance loss compaired
> to 32bits soft. This is often due to better assembly optimization
> for 32 bits mode.
> 
> As specific 64bit assembly does not significantly differe from
> specific 32bit assembly, I expect this to change, when people learn
> to do both. When that happen, on AMD64, 64bit code will be faster.

 Isn't this an issue about compilers? I mean any programmer should
write his code as he has always done, then the compiler will
optimize. AMD64 is just another 64bit architecture, there has 'always'
been out there sparc and motorola 64bit processors.
 
 -fc-



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