Displaying 2 results from an estimated 2 matches for "isallocaable".
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isallocatable
2016 Feb 04
2
New register class and patterns
...at I had added an extra class. After that LLVM started to
> complain. And this is what puzzles me.
>
> Did you add a register class for a special condition register? Did you set
> it as isAllocatable = 0?
>
I think I'm slowly getting it. To answer your question, no I did not set
isAllocaable = 0 for the new register class. But I'm still confused.
Original instruction does not have an output register. It sets a flag in
the special purpose register. So why creating a new register class would
cause a problem? In other words, since there is no output register, why
would LLVM start comp...
2016 Feb 03
2
New register class and patterns
On Tue, Feb 2, 2016 at 8:42 PM, Matt Arsenault <arsenm2 at gmail.com> wrote:
>
> On Feb 2, 2016, at 16:52, Rail Shafigulin <rail at esenciatech.com> wrote:
>
> def SDT_EscalaSetFlag : SDTypeProfile<0, 3, [SDTCisSameAs<0, 1>]>;
>
>
> I think for setting an implicit register, you still need to have 1 result
> here.
>
> If you look at