[LLVMdev] i256 for x86_64

[Ehsan Amiri]

Yes I use 2.6 as my OS seems to be too old for 2.7.

Are there any restrictions on integer types for x86_64?








On Tue, May 25, 2010 at 5:25 PM, Chris Lattner <clattner at apple.com> wrote:

>
> On May 25, 2010, at 5:16 PM, Ehsan Amiri wrote:
>
> > Hello all
> >
> > I have a very simple handwritten .ll file that can be translated to
> native assembly on x86_64 when I use i128. But if I use i256 I get an error.
> see the file and the first line of the error below. Any help is appreciated!
> I played a little bit with target datalayout but it didn't help.
>
> This works for me on mainline.  Are you using an old version of llvm?
>
> -Chris
>
>
> >
> > Best
> > Ehsan
> >
> > Input File:
> >
> > target datalayout =
> "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
> > target triple = "x86_64-unknown-linux-gnu"
> >
> > define i32 @main(i32 %argc, i8** nocapture %argv) nounwind {
> > entry:
> >
> >   %0 = tail call i256 (...)* @get_num() nounwind ;comment here
> >   ret i32 0
> > }
> >
> > declare i256 @get_num(...)
> >
> > ---------------------------------------------
> >
> > First line of error:
> >
> > Call result #2 has unhandled type i64UNREACHABLE executed at
> CallingConvLower.cpp:148!
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>
>
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