[Libre-soc-bugs] [Bug 251] Initial 3D MESA non-accelerated software-only driver is needed

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=251

--- Comment #64 from Jacob Lifshay <programmerjake at gmail.com> ---
(In reply to vivekvpandya from comment #60)
> This particular path can get us started on LLVM side. I am thinking to
> modify LLVM power-pc backend which will run a simple vectorizer pass (just
> before Global ISEL)and create libre-soc specific LLVM intrinsics (can be
> added with TD) and then updated Global Isel to generate libre-soc's textual
> assembly for newly added llvm instrinsics.

we will eventually want to use llvm-ir's built-in support for vector types and
use the common intrinsics/instructions rather than libre-soc-specific
intrinsics, allowing waay more code to generate SV instructions without needing
to be modified.

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