[fpc-devel] 64 Bit / 32 Bit

Michael Schnell mschnell at lumino.de
Thu Oct 4 13:38:12 CEST 2007

> Always storing the FPU simply increases task switch time. Further, SSE
> is simply faster with 64 bit because of the easier to use register file
> and because more registers are available on 64 Bit CPUs.

That does make sense !

Does the FPU share these 64 bit registers with the 64 bit integer unit ?


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