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)?
Luiz > > Jonas > > _______________________________________________ > fpc-devel maillist - fpc-devel@lists.freepascal.org > http://lists.freepascal.org/mailman/listinfo/fpc-devel > >
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