On Monday, 14 January 2013 18:37:16 UTC, MJ Michaels wrote:
> Is it possible to configure the VC10 build in MPIR 2.6.0 to generate
> 64-bit limbs? I am able to do this, but have to edit mpir.h by hand to get
> it to work, and I'm wondering if there's just some build option that I'm
> missing. I basically just remove references to "#ifdef _WIN64". Is there
> a reason why this is a bad idea?
> Thanks in advance.
> Mj Michaels
Unfortunately there is no standard Visual Studio build that does what you
want. As you found, MPIR on Windows is set up to use 32-bit limbs on
win32 and 64-bit limbs on x64.
Using 64-bit limbs on win32 is likely to work for the generic C version of
MPIR but it will fail for all the assembler based builds since all the x86
assembler code assumes that limbs are 32-bits.
So its certainly not a good idea unless you limit yourself to the generic C
build. And here, of course, you are on your own since it is not a tested
configuration.
Brian
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