2012/10/4 luiz americo pereira camara <luiz...@oi.com.br> > > > 2012/10/3 Jonas Maebe <jonas.ma...@elis.ugent.be> > >> >> On 03 Oct 2012, at 03:29, luiz americo pereira camara wrote: >> >> >> at the line >> // Load XMM5 with the bias value. >> MOVD XMM5, [Bias] //Bias = Integer >> >> Is it a know issue or a limitation of linux version? >> >> >> Win64 uses a different calling convention compared to every other x86-64 >> operating system (Microsoft probably started working on it before the >> x86-64 ABI was finalized). One of the differences is that only passes the >> first three integer parameters in registers, while other operating systems >> pass the first six integer parameters in registers. This means that on >> Win64, the above translates into >> >> movd xmm5, [rpb + some_offset] >> >> while on other platforms, it translates into >> >> movd xmm5, [r8d] >> >> So you are creating a reference with r8d as base register, which is >> invalid (because it's a 32 bit register) >> >> > Why it compiles and works with fpc 2.6.0 64bit under windows (and also > Delphi)? > > Forget about the above question
Now i understand Luiz > > Luiz > > >> >> Jonas >> >> _______________________________________________ >> fpc-devel maillist - fpc-devel@lists.freepascal.org >> http://lists.freepascal.org/mailman/listinfo/fpc-devel >> >> >
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